CN209267584U - Teledata collection copies fiber optic communications devices, collector and dual-wire communications network system - Google Patents
Teledata collection copies fiber optic communications devices, collector and dual-wire communications network system Download PDFInfo
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- CN209267584U CN209267584U CN201822268628.6U CN201822268628U CN209267584U CN 209267584 U CN209267584 U CN 209267584U CN 201822268628 U CN201822268628 U CN 201822268628U CN 209267584 U CN209267584 U CN 209267584U
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Abstract
The utility model discloses a kind of teledata collection to copy fiber optic communications devices, collector and dual-wire communications network system；Its device includes light emitting converter, light-receiving converter and power adapter；Light emitting converter and light-receiving converter pass through optical fiber respectively and connect with extraneous dual-wire communications network system formation signal；Power adapter is respectively that light emitting converter and light-receiving converter provide operating voltage.The device is unidirectionally arranged using optical fiber single, eliminates microprocessor, reduces manufacturing cost.
Description
Technical field
Copy network communication field the utility model relates to teledata collection more particularly to a kind of teledata collection to copy optical fiber logical
T unit, collector and dual-wire communications network system.
Background technique
Currently, be related to teledata centralized meter-reading system mainly includes the number such as ammeter, gas meter, flow meter, calorimeter and tap water meter
According to acquisition terminal.These data collection stations substantially set up communications network system as the communications cable using optical fiber.Optical fiber cable
Cable has the characteristics that transmission data reliability is high, stability is good, anti-electromagnetism and anti-seismic performance are strong；It therefore is widely adopted.
However, the mode that existing fiber cable sets up communication network is mainly monocycle two-way type, as shown in Figure 1, concentrator,
Several data collection stations that single closed loop two-way signaling transmits and each collector is corresponding are formed between multiple collectors
It is also to form single closed loop two-way signaling transmission；Correspondingly, as shown in Fig. 2, the teledata collection being arranged on data collection station
Fiber optic communications devices are copied, internal components, e.g., the networking between single-chip microcontroller and uni-core bidirectional photoelectric converter are also using monocycle
(i.e. signal of communication can transmit clockwise, can also transmit counterclockwise) is arranged in two-way type, and in uni-core bidirectional photoelectric converter
Including two light emitting converters and two light-receiving converters, to realize that monocycle two-way signaling transmits；Correspondingly, as schemed
Shown in 3, collector is used using four uni-core bidirectional photoelectric converters (1,2,3 and 4).This monocycle two-way type networking mode,
Link breaks down wherein, if data collection station ammeter 21 breaks down, then data collection station ammeter 22 to 2n
Opposite direction uploads data to collector two；In addition, matching used teledata collection, which is copied, needs two light in fiber optic communications devices
Electric transducer, and single-chip microcontroller is needed to control transmission direction and transmission data format, entire communication module is complicated, increases system
It causes this and increases the specification of the device, virtually also just increase the specification of data collection station, in turn
Increase manufacturing cost.
Utility model content
Based on the above issues, problem to be solved in the utility model be to provide one kind can make communication data acquisition,
It uploads and realizes independent transmission, and relatively low teledata collection copies fiber optic communications devices, collector and two-wire to cost of manufacture again
Communications network system.
The technical solution of the utility model is as follows:
A kind of teledata collection copies fiber optic communications devices, is arranged in data collection station；Wherein, which copies
Fiber optic communications devices include light emitting converter, light-receiving converter and power adapter；The light emitting converter and light
Receiving converter passes through optical fiber respectively and connect with extraneous dual-wire communications network system formation signal；The power adapter is respectively
Light emitting converter and light-receiving converter provide operating voltage.
The teledata collection copies fiber optic communications devices, wherein the teledata collection copies fiber optic communications devices by leading to
Letter module interface is plugged in the data collection station.
The teledata collection copies fiber optic communications devices, wherein the power adapter converts direct current 12V voltage to directly
Flow the operating voltage of 5V.
The teledata collection copies fiber optic communications devices, wherein the data collection station includes ammeter, gas meter, flow meter, heat
Scale or tap water meter.
The utility model also provides the collector that a kind of teledata collection copies dual-wire communications, including a microprocessor,
Two light emitting converters and two light-receiving converters；Two light emitting converters and two light-receivings are converted
Device forms signal with the microprocessor respectively and connect；Two light emitting converters and two light-receiving converters point
It Wei not the setting of single unidirectional signal transfer standard.
The utility model also provides a kind of teledata collection and copies dual-wire communications network system, including host terminal, concentrator,
Multiple collectors and multiple data collection stations；The dual-wire communications network system carries out networking, the two-pass using optical fiber
Communication network system further includes group network bus and multiple networking sub-lines；Described group of network bus is two optical fiber, is that transmitting is total respectively
Line and reception bus；Each networking sub-line is two optical fiber, is emission component and reception sub-line respectively；Each networking
Sub-line forms signal with the networking bus by a collector using optical fiber and connect, in each described networking sub-line
It is connected in parallel to multiple data collection stations；An above-mentioned teledata collection is provided in each data collection station
Copy fiber optic communications devices；The collector selects the collector of above-mentioned single one way signal transmission mode；Wherein:
The output end of the concentrator is connect by dedicated or public network with the host terminal signal；The concentrator
Input terminal reception foot and transmitting foot pass through respectively optical fiber in described group of network bus transmitting bus and reception bus formed
Signal connection；
The reception foot and transmitting foot of the transmitting terminal of each collector pass through respectively in optical fiber and described group of network bus
Transmitting bus is connected with bus formation signal is received；The reception foot and transmitting foot of the receiving end of the collector pass through optical fiber respectively
With in networking sub-line reception sub-line and emission component formed signal connect；And
Each data collection station copies the reception foot and transmitting foot of fiber optic communications devices by the teledata collection
Respectively by optical fiber in networking sub-line reception sub-line and emission component formation signal connect.
The teledata collection copies dual-wire communications network system, wherein multiple collectors use parallel
Signal is formed with the networking bus to connect.
The teledata collection copies dual-wire communications network system, wherein multiple data collection stations are connected using in parallel
Mode is connect to connect with networking sub-line formation signal.
Teledata collection provided by the utility model copies fiber optic communications devices, is unidirectionally arranged using optical fiber single, is eliminated
Microprocessor reduces photoelectric conversion chip dosage, reduces manufacturing cost；Correspondingly, teledata collection copies dual-wire communications net
In network system, fiber optic cable carries out parallel networking, multiple collectors, multiple data collection stations using transmitting and reception mode
Data transmitting and reception are also using the corresponding group network bus of parallel access or networking sub-line, respectively respectively in equal devices
By corresponding networking optical fiber independent transmission and reception data between device, any one device breaks down, will not
The transmitting and reception of other device communication datas are influenced, so that it is guaranteed that whole network system data receives and emits smooth.
Detailed description of the invention
Fig. 1 is that existing teledata collection copies dual-wire communications network architecture schematic diagram；
Fig. 2 copies the teledata collection in dual-wire communications network system for existing teledata collection and copies fiber optic communications devices structure
Block diagram；
Fig. 3 is existing collector internal structure block diagram networking connection schematic diagram；
Fig. 4 is that teledata collection provided by the utility model copies dual-wire communications network architecture schematic diagram；
Fig. 5 copies the teledata collection in dual-wire communications network system for teledata collection provided by the utility model and copies optical fiber
Communication apparatus structure block diagram；
Fig. 6 is intelligent electric meter configuration structural schematic diagram；
Fig. 7 is the fiber optic telecommunications module spliced eye structural schematic diagram in intelligent electric meter；
Fig. 8 is collector internal structure block diagram networking connection schematic diagram provided by the utility model.
Specific embodiment
With reference to the accompanying drawing, the preferred embodiment of the utility model is described in further detail.
As shown in figure 4, a kind of teledata collection provided by the utility model copies dual-wire communications network system, including host end
End, concentrator, multiple collectors and multiple data collection stations.The dual-wire communications network system carries out networking using optical fiber；
Host terminal, concentrator, collector and data collection station are connected using fiber optic cable, set up dual-wire communications net
Network system.Optical fiber can be plastic optical fiber, silica fibre or composite fiber.In the present embodiment, preferred plastic optical fiber.Data acquisition
Terminal can be ammeter, gas meter, flow meter, calorimeter or tap water meter etc..In the present embodiment, data collection station is ammeter.
In the dual-wire communications network system, a group network bus, at least two networking sub-line, and group are generally comprised
It is in mind map shape structure setting between network bus and multiple networking sub-lines, group network bus is in the upper of dual-wire communications network system
End, multiple networking sub-line block forms are set to the lower end of dual-wire communications network system, and each networking sub-line is passed through using optical fiber
One collector forms signal with networking bus and connect, and is connected in parallel to multiple data collection stations in each networking sub-line.
In the dual-wire communications network system, group network bus is two optical fiber, is transmitting bus TXDB and reception bus respectively
RXDB, and the two is set up side by side, is respectively used to transmitting communication data TX and is received communication data RX.
In the dual-wire communications network system, each networking sub-line is also two optical fiber, is emission component and reception respectively
Line and the two is set up side by side, and be respectively used to receive communication data RX and emit communication data TX.For example, networking sub-line one,
Including emission component TXDB1 and reception sub-line RXDB1 and the two is set up side by side, and is respectively used to transmitting communication data TX and is connect
Receive communication data RX.
Above-mentioned host terminal, that is, the service terminal of entire dual-wire communications network system, the master control dual-wire communications network
The related data management of all data collection stations in system, e.g., data statistics, data collection, data storage, data analysis
Deng.
Above-mentioned concentrator mainly uploads data to data collection stations all in entire dual-wire communications network system and carries out
It concentrates after receiving arrangement, host terminal is uploaded to by dedicated or public network, or the control instruction of host terminal is passed through into group
Network bus is issued to collector.
The main of collector is there are three function: acquisition data, preservations, by the order upload data of concentrator or to number
Execution order or control instruction are issued according to acquisition terminal.
Concentrator includes output terminals A and input terminal B；The output terminals A of concentrator is whole by dedicated or public network and host
End carries out signal connection, the receptions foot of the input terminal B of concentrator and emit foot pass through optical fiber respectively with the transmitting in group network bus
Bus TXDB is connected with bus RXDB progress signal is received.Concentrator is transmitted for collecting the information data that collector reports
Collector is issued to host terminal, or by the control instruction of host terminal.
In the present embodiment, the quantity of concentrator is one, in other embodiments, is also possible to two or more, is arranged several
A concentrator, needs depending on data acquisition range.For example, by taking first cell electric quantity acquisition as an example.Assuming that first cell only has one
Building, then a concentrator can be set in the electric quantity acquisition of entire building；If first cell has five buildings, the electricity in every building is adopted
Collection can be independently arranged a concentrator, and so, just there are five concentrators.Certainly, the electric quantity acquisition in five buildings can also
With with a concentrator.
In above-mentioned dual-wire communications network system, as shown in figure 8, the collector that the teledata collection copies dual-wire communications is
The collector of single unidirectional signal transfer standard.The collector include a microprocessor, two light emitting converters (1,2) with
And two light-receiving converters (1,2).Two light emitting converters (1,2) and two institute's receiving converters (1,2) respectively with it is micro-
Processor forms signal connection；Two light emitting converters (1,2) and two light-receiving converters (1,2) are respectively single list
It transmits and is arranged to signal；Microprocessor is used to control the transmission direction of data-signal.
In collector, the receiving end D of light emitting converter 1 and the formation collector of light-receiving converter 1, light emitting converter
2 form the transmitting terminal C of collector with light-receiving converter 2.The receiving end D of collector is whole by networking sub-line and data acquisition
End emits the reception communication data of the transmission of communication data or receiving end D reception ammeter if ammeter issues control instruction；Acquisition
The transmitting terminal C of device sends transmitting communication data to data collection station, or number to from host terminal by group network bus, concentrator
The control instruction issued received from host terminal by group network bus, concentrator according to the emitted end C of acquisition terminal.
The working principle of collector is as follows:
1, host terminal issues data acquisition instructions to collector by concentrator, group network bus, by the transmitting of collector
The reception foot RXD of the corresponding light-receiving converter 2 of end C receives this control signal instruction, and pass through to receive in a manner of communication data
After microprocessor conversion, by the transmitting foot TXD of the corresponding light emitting converter 1 of the transmitting terminal D of collector to emit communication data
Mode emits to networking sub-line, then to data collection station, such as ammeter；
2, after ammeter receives the data acquisition instructions that collector issues, related communication data information is sent out to organizing net
Line, then acquired device the corresponding light-receiving converter 1 of receiving end D reception foot RXD, receive this in a manner of communication data to receive
One communication data information be delivered to microprocessor conversion after, then acquired device the corresponding light emitting converter 2 of transmitting terminal C hair
Foot TXD is penetrated, is sent out in a manner of emitting communication data, and is delivered to host terminal through a group network bus, concentrator, completes each ammeter
Electric quantity data acquisition.
In the present embodiment, the quantity of collector is two, e.g., collector one and collector two, the two be can be same
The collector of different size also can be used in the collector of model, same specification.Two company of respectively corresponding of collector one and collector
Connect networking sub-line one and networking sub-line two.In other embodiments, the quantity of collector can be three or more, be also possible to one
It is a.The networking mode of collector is exemplified below:
The reception foot RXD and transmitting foot TXD of one transmitting terminal C of collector passes through optical fiber respectively and the transmitting in group network bus is total
Line TXDB is connected with bus RXDB formation signal is received；The reception foot RXD and transmitting foot TXD of one receiving end D of collector leads to respectively
Cross optical fiber in networking sub-line one reception sub-line RXDB1 and emission component TXDB1 formed signal connect.
Correspondingly, the reception foot RXD of two transmitting terminal C of collector and transmitting foot TXD pass through respectively in optical fiber and group network bus
Transmitting bus TXDB with receive bus RXDB formed signal connect；The reception foot RXD and transmitting foot of two receiving end D of collector
TXD pass through respectively optical fiber in networking sub-line two reception sub-line RXDB2 and emission component TXDB2 formed signal connect.
As shown in figure 4, the reception foot TXD and transmitting foot RXD of above-mentioned data collection station pass through optical fiber and group net respectively
Reception sub-line in line is connected with emission component formation signal namely the reception foot of data collection station passes through respectively with transmitting foot
Parallel accesses in the reception sub-line and emission component of networking sub-line.Such as, the reception foot RXD of ammeter 11 and transmitting foot
TXD pass through respectively optical fiber in networking sub-line one reception sub-line RXDB1 and emission component TXDB1 formed signal connect.Other
Ammeter also carries out networking similar to ammeter 11.
In general, in same cell same storied building same layer data collection station, be added by parallel
Networking sub-line and share the same collector.In Fig. 3, ammeter 11, ammeter 12, ammeter 13 ..., ammeter 1n passes through light respectively
Fibre is connected in the reception sub-line RXDB1 and emission component TXDB1 of networking sub-line one in parallel, then again by optical fiber again with simultaneously
Connection connection type accesses networking sub-line one in the same collector one.Networking sub-line two, collector two and ammeter (21,22,
23 ..., 2n) networking connection and networking sub-line one where networking mode it is identical, and collector one and collector two are using simultaneously
Join connection type access group network bus.
Above-mentioned teledata collection copies dual-wire communications network system, and using bus network mode networking, networking uses plastics
All data collection stations, such as the reception foot RXD of ammeter are connected together by optical fiber, are then connected to collector by networking sub-line and connect
On the transmitting foot TXD of receiving end D；All data collection stations, such as the transmitting foot TXD of ammeter are connected together with plastic optical fiber, so
It is connected on the reception foot RXD of collector receiving end D by networking sub-line afterwards；
Collector checks the data of each ammeter under same networking sub-line network, same networking subnet using polling mode
Ammeter data is sequentially delivered to handle in corresponding collector by each ammeter under network；There is situation to report collector if any ammeter, adopts
Storage can be handled respectively, avoid network blockage.
Between collector and concentrator also in this way, data are successively exchanged, are finally uploaded data by concentrator
Order is reached into down each ammeter in this way to host terminal, or by host terminal.
In the data collection station that above-mentioned teledata collection copies dual-wire communications network system, it is also necessary to which mating setting one is remote
Journey data set, which copies fiber optic communications devices and is just able to achieve teledata collection, copies networking.
As shown in figure 5, teledata collection copies fiber optic communications devices, it is arranged in data collection station, the communication device packet
Include light emitting converter, light-receiving converter and power adapter, and light emitting converter, light-receiving converter and power supply
Converter is arranged on the circuit main board of data collection station.Fiber optic communications devices are copied in teledata collection to connect equipped with circuit board
It connects end not and communicates to connect Duan Robbery, light emitting converter and light-receiving converter pass through optical fiber and above-mentioned dual-wire communications network respectively
It is respectively that light emitting converter and light-receiving converter provide operating voltage that system, which forms signal connection power adapter,.Due to light
The operating voltage of selector and light-receiving converter is 5V；So power adapter converts the direct current 12V voltage in VCC
For direct current 5V operating voltage.VSS ground connection.
Teledata collection copies fiber optic communications devices realization principle are as follows:
It communicates to connect in the Robbery of end, the host terminal in two fiber buss networks issues data acquisition instructions, by light-receiving
Second reception foot RXD2 of converter is received in a manner of communication data by receiving, then after the conversion of light-receiving converter, by circuit
Plate connecting pin not on first receive foot RXD1 and receive, and be delivered to circuit main board, carry out data acquisition；Conversely, circuit main board
By the other first transmitting foot TXD1 of circuit board connecting terminal, the communication data of acquisition is sent to light in a manner of communication data to emit
Then selector sends the transmitting communication data to two fiber buss by the second transmitting foot TXD2 of light emitting converter
Network, as by being uploaded to host terminal after networking sub-line, collector, group network bus, concentrator.
Wherein, the quantity of light emitting converter and light-receiving converter is respectively one.In view of in same optical fiber, communication is believed
Number transmitting and reception be unidirectional operation, emit signal of communication to upper level or receive the communication information from upper level and be staggered operation,
It is not run within the same time；Then teledata collection, which copies fiber optic communications devices, can be realized signal of communication one-way transmission.When remote
When journey data set copies fiber optic communications devices and is placed in above-mentioned teledata collection and copies in dual-wire communications network system, then the dual-wire communications net
Network system becomes one-way bus networking.
It will be sent to teledata collection by optical fiber from the transmitting communication data of circuit main board and copy fiber optic communications devices
Light emitting converter, after processing, then emission component, the collector of the networking sub-line by fibre optical transmission into bus network
Deng copying single dual-wire communications network system into teledata collection；Correspondingly, teledata collection copies single dual-wire communications network
Order in system, such as the reception sub-line of main control terminal ordered through collector, networking sub-line in bus network, enter
Teledata collection copies the light-receiving converter of fiber optic communications devices, after converted, then by optical fiber output reception communication data to electricity
Road mainboard.
In the present embodiment, above-mentioned teledata collection copies fiber optic communications devices, is set in ammeter.As shown in fig. 6, ammeter
100 include RS584 communication interface 130, display screen 110, communication module interface mother mouth 120 and electrical wire interface 140.Such as Fig. 7 institute
Show, is copied in teledata collection and be equipped with communication module interface public affairs mouth on fiber optic communications devices, set on the communication module interface public affairs mouth
There are signal of communication conductive contact (e.g., the contact TXD, the contact RXD) and power supply conductive contact (e.g., the contact VCC, the contact VSS).
Teledata collection copies fiber optic communications devices and passes through signal of communication on communication module interface public affairs mouth and the touching of power supply conduction
Point be adapted to after grafting and be accessed on the circuit main board in ammeter 100 with the communication module interface mother mouth 120 on ammeter 100.
Display screen 110 in ammeter 100 for observing reading, the time etc. of ammeter in real time；The electrical wire interface of ammeter 100
140 be four, and two of them electrical wire interface is electrically connected with outdoor firewire and zero curve respectively, another two electrical wire interface respectively with room
Interior firewire and zero curve electrical connection.
Teledata collection copy fiber optic communications devices can also the whole design together with circuit main board, be fixed on circuit main board
On.
Power information acquisition information transmission mode strengths and weaknesses compares；Such as, power line carrier (PLC), RS485 bus, short distance
Wireless communication and polymer optical fiber communication.Comparison result such as following table.
As can be known from the above table, dual-wire communications network system is copied due to the teledata collection of the utility model to make using plastic optical fiber
Networking is carried out for cable, networking advantage is also to become apparent from compared with other, is more advantageous.
It should be understood that the above-mentioned statement for the utility model preferred embodiment is more detailed, can not therefore and
It is considered the limitation to the utility model patent protection scope, the scope of patent protection of the utility model should be with appended claims
Subject to.
Claims (10)
1. a kind of teledata collection copies fiber optic communications devices, it is arranged in data collection station, which is characterized in that the teledata
It includes light emitting converter, light-receiving converter and power adapter that collection, which copies fiber optic communications devices,；The light emitting converter
Pass through optical fiber respectively with light-receiving converter to connect with extraneous dual-wire communications network system formation signal；The power adapter point
Operating voltage is not provided for light emitting converter and light-receiving converter.
2. teledata collection according to claim 1 copies fiber optic communications devices, which is characterized in that the light emitting converter
Quantity with light-receiving converter is respectively one.
3. teledata collection according to claim 1 copies fiber optic communications devices, which is characterized in that the teledata collection is copied
Fiber optic communications devices are plugged in the data collection station by communication module interface.
4. teledata collection according to claim 1 copies fiber optic communications devices, which is characterized in that the power adapter will
Direct current 12V voltage is converted into the operating voltage of direct current 5V.
5. teledata collection according to claim 1 copies fiber optic communications devices, which is characterized in that the data collection station
Including ammeter, gas meter, flow meter, calorimeter or tap water meter.
6. a kind of collector, which is characterized in that turn including a microprocessor, two light emitting converters and two light-receivings
Parallel operation；Two light emitting converters and two light-receiving converters form signal with the microprocessor respectively and connect
It connects；Two light emitting converters and two light-receiving converters are respectively the setting of single unidirectional signal transfer standard.
7. a kind of dual-wire communications network system, including host terminal, concentrator, multiple collectors and the acquisition of multiple data are eventually
End；It is characterized in that, the dual-wire communications network system carries out networking using optical fiber, which further includes group
Network bus and multiple networking sub-lines；Described group of network bus is two optical fiber, is transmitting bus and reception bus respectively；Each institute
It states networking sub-line and is also as two optical fiber, be emission component respectively and receive sub-line；Each networking sub-line is logical using optical fiber
It crosses the collector to connect with networking bus formation signal, be connected in parallel in each described networking sub-line multiple
The data collection station；Be provided in each data collection station one it is long-range as described in Claims 1-4 is any
Data set copies fiber optic communications devices, and the collector is the collector in claim 6；Wherein:
The output end of the concentrator is connect by dedicated or public network with the host terminal signal；The concentrator it is defeated
The reception foot and transmitting foot for entering end pass through optical fiber and the transmitting bus and reception bus formation signal in described group of network bus respectively
Connection；
The reception foot and transmitting foot of the transmitting terminal of each collector pass through optical fiber and the transmitting in described group of network bus respectively
Bus is connected with bus formation signal is received；The reception foot and transmitting foot of the receiving end of the collector pass through optical fiber and institute respectively
The reception sub-line stated in networking sub-line is connected with emission component formation signal；And
Each data collection station copies the reception foot and transmitting foot difference of fiber optic communications devices by the teledata collection
By optical fiber in the networking sub-line reception sub-line and emission component formed signal connect.
8. dual-wire communications network system according to claim 7, which is characterized in that multiple collectors are connected using in parallel
Mode is connect to connect with networking bus formation signal.
9. dual-wire communications network system according to claim 7, which is characterized in that multiple data collection stations use
Parallel forms signal with the networking sub-line and connect.
10. dual-wire communications network system according to claim 7, which is characterized in that the dual-wire communications network system is adopted
Networking is carried out with plastic optical fiber, silica fibre or composite fiber.
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| CN109450546A (en) * | 2018-12-29 | 2019-03-08 | 刘向宁 | Teledata collection copies fiber optic communications devices, collector and dual-wire communications network system |
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| CN109450546A (en) * | 2018-12-29 | 2019-03-08 | 刘向宁 | Teledata collection copies fiber optic communications devices, collector and dual-wire communications network system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200720 Address after: 518052 Nanshan digital cultural industry base, No. 10128 Shennan Road, Guangdong, Shenzhen 2203, West Tower, Nanshan District Patentee after: Shenzhen Jiuyi photoelectric Co., Ltd Address before: 518052 Nanshan digital cultural industry base, No. 10128 Shennan Road, Guangdong, Shenzhen 2203, West Tower, Nanshan District Patentee before: Liu Xiangning |
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| TR01 | Transfer of patent right |