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CN104967486A - Optical transmission device - Google Patents

Optical transmission device Download PDF

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Publication number
CN104967486A
CN104967486A CN 201510268109 CN201510268109A CN104967486A CN 104967486 A CN104967486 A CN 104967486A CN 201510268109 CN201510268109 CN 201510268109 CN 201510268109 A CN201510268109 A CN 201510268109A CN 104967486 A CN104967486 A CN 104967486A
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optical
receiving
signals
transmission
transmitter
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CN 201510268109
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Chinese (zh)
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邝胜海
杨瀚
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重庆朗天通讯股份有限公司
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Abstract

The invention discloses an optical transmission device, comprising a first optical receiving transmitter suitable for transmitting optical signals or receiving optical signals; a second optical receiving transmitter suitable for receiving optical signals or transmitting optical signals; a first converter suitable for converting the optical signals transmitted by the first optical receiving transmitter, and then transmitting the signals to transmission fibers through a first optical data sending and receiving unit, or receiving the optical signals transmitted from the transmission fibers; a second converter suitable for converting the optical signals transmitted by the second optical receiving transmitter, and then transmitting the signals to the transmission fibers through a second optical data sending and receiving unit, or receiving the optical signals transmitted from the transmission fibers; and a transmit-receive switching controller suitable for outputting transmit-receive switching control signals in order to control the first and second optical receiving transmitter to switch transmit-receive states. According to the invention, two ends of a transmission link respectively employ an optical receiving transmitter, and the transmit-receive switching controller controls the optical receiving transmitters at two ends to switch states, thereby increasing a fiber utilization rate, and reducing optical communication investment cost.

Description

一种光传输装置 An optical transmission device

技术领域 FIELD

[0001] 本发明属于光通信技术领域,具体涉及一种光传输装置。 [0001] The present invention belongs to the field of optical communication technology, particularly relates to an optical transmission apparatus.

背景技术 Background technique

[0002] 随着光通信技术的不断发展,人们越来越重视对光纤网络的优化,充分发挥光纤传输的高速、大容量优势,所以光纤技术在通信中应用越来越广泛。 [0002] With the development of optical communication technology, there is growing emphasis on the optimization of the fiber optic network, give full play to the high-speed, large capacity advantages of optical fiber transmission, so optical fiber communication technology more widely. 现有的光传输系统一般包括光发射机、传输光纤和光接收机,对于长距离传输还需要光中继设备,为了提高系统的性能,还需要增加色散补偿等装置。 Usually the conventional optical transmission system includes an optical transmitter, optical transmission fiber and the receiver, the need for further long-distance transmission optical repeater equipment, in order to improve system performance, but also necessary to increase the dispersion compensation device. 由于目前传输光纤的两端只能提供一个方向的上下,所以大多数的光纤都被用来做单向传输,使得光纤利用率降低,提高了光通信的成本。 As the current at both ends of the transmission fiber provides only a vertical direction, so that most of the fibers are used for one-way transmission, so that the optical efficiency is reduced, increasing the cost of optical communication. 但是,本发明的发明人经过研宄发现,事实上,光在同一光纤中是可以进行双向传输的。 However, the present inventors have found through study based, in fact, in the same optical fiber may be made of two-way transmission.

发明内容 SUMMARY

[0003] 针对现有技术存在的技术问题,本发明提供一种可以双向传输的光传输装置,充分利用现有的光纤资源进行网络优化,提高了光纤的利用率,从而降低了光通信的投入成本。 [0003] For technical problems of the prior art, the present invention provides an optical transmission apparatus can be two-way transmission, full use of existing fiber optic networks optimized resources, improve the utilization of the optical fiber, thereby reducing the input optical communications cost.

[0004] 为了实现上述目的,本发明采用如下技术方案: [0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] —种光传输装置,包括第一光接收发射机、第二光接收发射机、第一转换器、第二转换器、第一光数据发送接收单元、第二光数据发送接收单元、传输光纤和收发切换控制器;其中, [0005] - seed light transmission means, a first light receiving unit includes a receiving transmitter, receiving a second light transmitter, a first converter, a second converter, a first optical data transmission and reception unit, a second optical data transmission, transmission optical fiber and reception switching controller; wherein,

[0006] 所述第一光接收发射机适于发射光信号或接收光信号,对应地,所述第二光接收发射机适于接收光信号或发射光信号; [0006] The first light receiving optical signal transmitter is adapted to transmit or receive optical signals, corresponding to the second light receiving optical signal transmitter is adapted to receive or transmit an optical signal;

[0007] 所述第一转换器适于将所述第一光接收发射机发出的光信号转换后,通过第一光数据发送接收单元传输到所述传输光纤,或通过第一光数据发送接收单元接收从所述传输光纤传输过来的光信号,并输入到所述第一光接收发射机接收; [0007] The first converter is adapted to the optical signal transmitter of the first light receiving converting emitted, a first transmitting and receiving unit transmits the data over the optical transmission fiber, a first light receiving or transmitting data by means for receiving from said transmission optical signal over an optical fiber transmission, and input to the transmitter receiving the first light receiving;

[0008] 所述第二转换器适于将所述第二光接收发射机发出的光信号转换后,通过第二光数据发送接收单元传输到所述传输光纤,或通过第二光数据发送接收单元接收从所述传输光纤传输过来的光信号,并输入到所述第二光接收发射机接收; [0008] The second converter adapted to convert the optical signal emitted by the second light receiving transmitter, a second transmission and reception unit transmits the data over the optical transmission fiber, a second light receiving or transmitting data via means for receiving from said transmission optical signal over an optical fiber transmission, and input to the transmitter receives the second light receiving;

[0009] 所述收发切换控制器适于输出收发切换控制信号,以控制所述第一光接收发射机和第二光接收发射机进行收发状态切换,以便同时工作于收状态或发状态。 [0009] The transceiver controller is adapted to switch the transceiver outputs a switching control signal to control said first and second light receiving optical transmitter for receiving and transmitting state switching transmitter to simultaneously send to the receiving state or the state.

[0010] 本发明提供的光传输装置中,由于在传输链路两端各采用一个光接收发射机,并通过收发切换控制器控制两端的光接收发射机进行收发状态切换,使其同时工作于收状态或发状态,从而实现光在同一传输光纤的双向传输,减少了收发两端使用发射机或接收机的数量,提高了光纤的利用率,降低了光通信的投资成本。 [0010] The present invention provides an optical transmission apparatus, since each of the two ends of a transmission link employed in a light receiving transmitter, and receiving and transmitting state switching control of the light receiving ends of the transmitter through the transceiver switching controller simultaneously so as to send state or reception state, thereby realizing the same light transmission in the bidirectional transmission fiber, reduce the number of transceivers at both ends using transmitter or receiver, improve the utilization of the fiber, reducing the investment cost optical communication.

[0011] 进一步,所述第一光接收发射机和第一转换器集成为一个光装置,所述第二光接收发射机和第二转换器集成为另一个光装置。 [0011] Further, the first transmitter and a first light receiving converter is integrated as an optical device, the second transmitter and a second light receiving converter integrated as another optical device.

[0012] 进一步,所述第一光数据发送接收单元和第二光数据发送接收单元以同步时钟速率模拟异步方式发送及接收数据。 [0012] Further, the first light-receiving unit and a second data transmitting light-receiving unit transmitting data in a synchronous analog clock rate asynchronously send and receive data.

[0013] 进一步,所述收发切换控制器输出的收发切换控制信号为一位数字电平信号。 [0013] Further, the reception switching transceiver controller outputs a switching control signal to a digital level signal.

[0014] 进一步,所述收发切换控制器采用ALTERA公司生产的型号为EPM570T100I5的芯片。 [0014] Further, the handover controller uses transceiver ALTERA CORPORATION model produced EPM570T100I5 chip.

附图说明 BRIEF DESCRIPTION

[0015] 图1是本发明提供的光传输装置的原理结构示意图。 [0015] FIG. 1 is a simplified schematic configuration of the optical transmission device according to the present invention is provided.

[0016]图中,1、第一光接收发射机;2、第二光接收发射机;3、第一转换器;4、第二转换器;5、第一光数据发送接收单元;6、第二光数据发送接收单元;7、传输光纤;8、收发切换控制器。 [0016] FIG, 1, a first light receiving transmitter; 2, the second light receiving transmitter; 3, a first converter; 4, a second converter; 5, a first optical data transmission and reception unit; 6, a second light receiving unit transmitting data; 7, transmission fiber; 8, the transceiver switching controller.

具体实施方式 detailed description

[0017] 为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体图示,进一步阐述本发明。 [0017] In order to achieve the technical means of the present invention, the creation of features, to achieve the purpose and effect readily apparent appreciated that specifically illustrated below with reference to further illustrate the invention.

[0018] 请参考图1所示,一种光传输装置,包括第一光接收发射机1、第二光接收发射机 [0018] With reference to FIG An optical transmission apparatus 1 includes a first light receiving transmitter 1, the second light receiving transmitter

2、第一转换器3、第二转换器4、第一光数据发送接收单元5、第二光数据发送接收单元6、传输光纤7和收发切换控制器8 ;其中, 2, the first converter 3, the second converter 4, a first optical data transmission and reception unit 5, the second light receiving unit 6 data transmission, fiber optic transmission and reception switching controller 7 8; wherein,

[0019] 所述第一光接收发射机I适于发射光信号或接收光信号,对应地,所述第二光接收发射机2适于接收光信号或发射光信号; [0019] The first light receiving optical transmitter is adapted to transmit I signal or receiving an optical signal, corresponding to the second light receiving optical signal transmitter 2 adapted to receive or transmit an optical signal;

[0020] 所述第一转换器3适于将所述第一光接收发射机I发出的光信号转换后,通过第一光数据发送接收单元5传输到所述传输光纤7,或通过第一光数据发送接收单元5接收从所述传输光纤7传输过来的光信号,并输入到所述第一光接收发射机I接收; [0020] the first converter 3 is adapted to the optical signal transmitter of the first light I emitted conversion receiving, transmitting and receiving unit 5 transmits the first data to the transmission optical fiber 7, or the first a light receiving unit 5 receives transmission data from the transmission optical signal over the optical fiber transmission 7, and input to the first light receiving transmitter I received;

[0021] 所述第二转换器4适于将所述第二光接收发射机2发出的光信号转换后,通过第二光数据发送接收单元6传输到所述传输光纤7,或通过第二光数据发送接收单元6接收从所述传输光纤7传输过来的光信号,并输入到所述第二光接收发射机2接收; After [0021] the second converter 4 is adapted to the second light receiving converting an optical signal emitted from the transmitter 2, a second light transmitting and receiving unit 6 by transmitting the data to the transmission fiber 7 or by a second a light receiving unit 6 receives transmission data from the transmission fiber of an optical signal transmitted by 7, and input to the transmitter 2 receives the second light receiving;

[0022] 所述收发切换控制器8适于输出收发切换控制信号,以控制所述第一光接收发射机I和第二光接收发射机2进行收发状态切换,以便同时工作于收状态或发状态。 [0022] The transceiver switch 8 is adapted to control the transceiver output switching control signal to control said first transmitter I and the second light receiving transmitter 2 for transmitting and receiving light receiving state switching, in order to simultaneously receive or send status status.

[0023] 本发明提供的光传输装置中,由于在传输链路两端各采用一个光接收发射机,并通过收发切换控制器控制两端的光接收发射机进行收发状态切换,使其同时工作于收状态或发状态,从而实现光在同一传输光纤的双向传输,减少了收发两端使用发射机或接收机的数量,提高了光纤的利用率,降低了光通信的投资成本。 [0023] The present invention provides an optical transmission apparatus, since each of the two ends of a transmission link employed in a light receiving transmitter, and receiving and transmitting state switching control of the light receiving ends of the transmitter through the transceiver switching controller simultaneously so as to send state or reception state, thereby realizing the same light transmission in the bidirectional transmission fiber, reduce the number of transceivers at both ends using transmitter or receiver, improve the utilization of the fiber, reducing the investment cost optical communication.

[0024] 具体地,如图1所示,所述光传输装置的一端包括第一光发射接收机1,第一光发射接收机I通过第一转换器3和第一光数据发送接收单元5与传输光纤7连接;另一端也同样包括第二光发射接收机2,第二光发射接收机2通过第二转换器4和第二光数据发送接收单元6与传输光纤7连接。 [0024] Specifically, as shown, one end of said optical transmission means comprises a first optical transmitter-receiver 1, a first optical transmitter-receiver I converter 3 via the first data transmission and the first light receiving unit 51 7 is connected to the transmission fiber; the other end also comprises a second optical transmitter-receiver 2, the receiver 2 transmits the second light emitting unit 6 receives the transmission fiber 7 and the second connection 4 light data by the second converter. 所述第一转换器3的作用在于将第一光发射接收机I发出的光信号经过第一转换器3和第一光数据发送接收单元5后传输到传输光纤7,并将传输光纤7传输过来的光信号,输入到第一光接收发射机I接收。 The first converter 3 is that the role of the first optical signal transmitter-receiver I light emitted through the first converter unit 3 and a first transmitting and receiving data to the transmission optical fiber 7 after 5, 7 and transmits the transmission optical fiber the optical signal over the input I transmitter to the first receiver receiving light. 同样,所述第二转换器4的作用在于将第二光发射接收机2发出的光信号经过第二转换器4和第二光数据发送接收单元6后,传输到传输光纤7,并将传输光纤7传输过来的光信号,输入到第二光接收发射机2接收。 Likewise, the role of the second converter 4 in that the second light emitted optical signal transmitter-receiver 2 through the second transmitting transducer 4 and the second light receiving unit 6 data, to the transmission fiber 7 and transfer transmitting optical signals over the optical fiber 7, is input to the transmitter 2 receives a second light receiving. 这样,通过在传输链路两端各采用一个光接收发射机,实现本发明光传输装置所包含的两个传输通道,并通过收发切换控制器控制两端的光接收发射机进行收发状态切换,使其同时工作于收状态或发状态,从而实现光在同一传输光纤的双向传输,减少了收发两端使用发射机或接收机的数量,提高了光纤的利用率,降低了光通信的投资成本。 Thus, through the use of a light receiving both ends of the transmission link transmitters, transmission channels to achieve two optical transmission device according to the present invention is included, and receiving and transmitting state switching control of the light receiving ends of the transmitter through the transceiver switching controller, so that which is simultaneously sent to a receiving state or a state, in order to achieve bidirectional transmission in the same transmission optical fiber, reduce the number of transceivers at both ends using the transmitter or receiver, improve the utilization of the fiber, reducing the investment cost optical communication.

[0025] 作为具体实施例,所述第一光接收发射机I和第一转换器3集成为一个光装置,所述第二光接收发射机2和第二转换器4集成为另一个光装置,即所述第一转换器既可以与同端的第一光接收发射机做在一起;当然,所述第二转换器既可以与同端的第二光接收发射机做在一起,也可以各自独立于第一光接收发射机、第二光接收发射机之外。 [0025] As the converter 2 and the second optical device 4 integrated as another embodiment, the first transmitter I and the first light receiving converter 3 integrated into one light receiving device, the second light receiving transmitter , i.e., the first converter may be done with the first light receiving end together with the transmitter; of course, the second converter may be done with the same transmitter and a second light receiving end, may be each independently in addition to the first light receiving transmitter, a second light receiving transmitter. 相对于现有的单向传输系统,则只需要将现有光发射机或光接收机替换成一个光接收发射机,然后再分别和对应的转换器进行集成即可实现本发明。 With respect to the conventional one-way transmission system, it only needs to conventional optical transmitter or the optical receiver replaced with a light receiving transmitter, respectively, and then the corresponding transducer of the present invention can achieve integration. 采用这种集成方式进行组合,能够提高投资者的组合效率。 With this integrated approach combining, the combination can improve the efficiency of investors.

[0026] 作为具体实施例,所述第一光数据发送接收单元5和第二光数据发送接收单元6以同步时钟速率模拟异步方式发送及接收数据。 [0026] As a specific embodiment, the first transmission light data receiving unit 5 and the second light receiving data transmitted in a synchronous analog clock rate asynchronous data transmitting and receiving unit 6. 具体地,所述第一光数据发送接收单元5和第二光数据发送接收单元6采用串行通讯方式,并采用串行数据发送的被动时钟方式,即同步时钟信号不单独传送,而是在传送数据前加上起始标志,然后以同步时钟的速率来传送数据。 In particular, the first transmission light data receiving unit 5 and the second light receiving unit 6 transmits data using serial communication, the clock and the passive mode the serial data transmission, i.e. transmission synchronization clock signal is not alone, but in plus start flag before transferring data, and then at a rate synchronous clock to transmit data. 基于异步发送的思想可以使两端的光装置仅用一根光纤来发送数据,而时钟信号在相对的另一端产生,由此可以省去一端的时钟信号发送光纤,实现单光纤数据发送。 Asynchronous transmission can be made based on the idea of ​​using only one optical fiber at both ends of the device to transmit data, while the other end of the clock signal generated in the opposite, whereby the clock signal may be omitted at one end of the transmission optical fiber, single-fiber data transmission.

[0027] 作为具体实施例,所述收发切换控制器8输出的收发切换控制信号为一位数字电平信号。 [0027] As a specific embodiment of a transceiver, the transceiver switching controller 8 outputs a switching control signal to a digital level signal. 具体地,所述收发切换控制器8输出"I "和"O "两种数字高低电平信号,用于对所述第一光发射接收机I和第二光发射接收机2进行控制,使其同时工作于收状态或发状态,以便让光信号进入所述传输光纤7中进行有效传输。 In particular, the transceiver switching controller 8 outputs "I" and "O" high and low two kinds of digital signals, a transmitter-receiver of the first light I and the second optical transmitter-receiver 2 controls the which is simultaneously sent to a receiving state or a state, so that the optical signal transmission fiber 7 enters the effective transmission.

[0028] 作为一种实施方式,为了让所述收发切换控制器8能够提供稳定可靠的一位数字电平信号,所述收发切换控制器8可以采用ALTERA公司生产的型号为EPM570T100I5的芯片。 [0028] As an embodiment, in order to allow the transceiver to switch controller 8 can provide a stable and reliable digital level signal, the controller 8 may be used to switch the transceiver ALTERA CORPORATION model produced EPM570T100I5 chip. 当然,所述收发切换控制信号的形式并不局限于此,本领域技术人员在前述介绍的基础上,还可以用其他的切换控制信号进行控制,只要保证所述第一光发射接收机I和第二光发射接收机2能够有效切换即可。 Of course, the transceiver forms a switching control signal is not limited thereto, those skilled in the art on the basis of the description, can also be controlled by another switching control signal, as long as the first light emitter and receiver I a second optical transmitter-receiver 2 can be effectively switched.

[0029] 本发明中的第一光发射接收机和第二光发射接收机可以和SDH(同步数字传输序列)或TOH(准同步数字序列)设备连接,也可以和交换机或路由器等设备连接,因此本发明可以应用到SDH(同步数字传输序列)或TOH(准同步数字序列)通信领域,也可以应用到交换或路由器等数据通信领域。 [0029] In the present invention, a first receiver and a second light emitter emitting light receiver may (plesiochronous digital sequence) device and SDH (Synchronous Digital transmission sequence) or TOH, and the like may be connected to switch or router device, Therefore, the present invention is applicable to SDH (synchronous digital transmission sequence) or TOH communications (plesiochronous digital sequence), may be applied to the field of communications data exchange or a router.

[0030] 以上仅为本发明的实施方式,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构,直接或间接运用在其他相关的技术领域,均同理在本发明的专利保护范围之内。 [0030] The above are only embodiments of the present invention, not intended to limit the scope of the present invention, all of the specification and drawings of the present invention is made equivalent structures, directly or indirectly, to other related technical fields shall fall in the patent scope of the present invention.

Claims (5)

  1. 1.一种光传输装置,其特征在于,包括第一光接收发射机、第二光接收发射机、第一转换器、第二转换器、第一光数据发送接收单元、第二光数据发送接收单元、传输光纤和收发切换控制器;其中, 所述第一光接收发射机适于发射光信号或接收光信号,对应地,所述第二光接收发射机适于接收光信号或发射光信号; 所述第一转换器适于将所述第一光接收发射机发出的光信号转换后,通过第一光数据发送接收单元传输到所述传输光纤,或通过第一光数据发送接收单元接收从所述传输光纤传输过来的光信号,并输入到所述第一光接收发射机接收; 所述第二转换器适于将所述第二光接收发射机发出的光信号转换后,通过第二光数据发送接收单元传输到所述传输光纤,或通过第二光数据发送接收单元接收从所述传输光纤传输过来的光信号,并输入到所述 1. An optical transmission device comprising a first light receiving transmitter, receiving a second light transmitter, a first converter, a second converter, a first optical data transmission and reception unit, a second optical data transmission a receiving unit, a transmission and reception switching controller fiber; wherein the first light receiving signal transmitter adapted to emit light or receive light signals corresponding to the second light receiving signal transmitter is adapted to receive the light emitting or light signal; after the first converter adapted to convert the optical signal emitted by the first light receiving transmitter, a first transmitting and receiving unit transmits the data over the optical transmission fiber, a first light receiving unit or transmitting data receive optical signals from said optical fiber transmission over the transmission, and input to the transmitter receiving the first light receiving; after the second converter converts the second optical signal transmitter receiving light emitted adapted by a second light receiving unit transmits transmission data to the transmission optical fiber, or transmission and reception unit receives the optical signal from the optical transmission over the optical transmission of the second data, and input to the 二光接收发射机接收; 所述收发切换控制器适于输出收发切换控制信号,以控制所述第一光接收发射机和第二光接收发射机进行收发状态切换,以便同时工作于收状态或发状态。 Receiving second light receiving transmitter; said transceiver controller is adapted to switch the transceiver outputs a switching control signal to control said first transmitter and a second light receiving optical transmitter for receiving and transmitting state switching, so as to simultaneously operate in reception state, or hair state.
  2. 2.根据权利要求1所述的光传输装置,其特征在于,所述第一光接收发射机和第一转换器集成为一个光装置,所述第二光接收发射机和第二转换器集成为另一个光装置。 2. The optical transmission device according to claim 1, wherein said first transmitter and a first light receiving converter is integrated as an optical device, the second light transmitter and the second converter receiving set be another optical device.
  3. 3.根据权利要求1所述的光传输装置,其特征在于,所述第一光数据发送接收单元和第二光数据发送接收单元以同步时钟速率模拟异步方式发送及接收数据。 The optical transmission device according to claim 1, wherein said first light-receiving unit and a second data transmitting light-receiving unit transmitting data in a synchronous analog clock rate asynchronously send and receive data.
  4. 4.根据权利要求1所述的光传输装置,其特征在于,所述收发切换控制器输出的收发切换控制信号为一位数字电平信号。 The optical transmission device according to claim 1, wherein said controller transceiver reception switching signal output from the switching control signal to a digital level.
  5. 5.根据权利要求1所述的光传输装置,其特征在于,所述收发切换控制器采用ALTERA公司生产的型号为EPM570T100I5的芯片。 The optical transmission device according to claim 1, wherein said switching controller transceiver using ALTERA CORPORATION model produced EPM570T100I5 chip.
CN 201510268109 2015-05-22 2015-05-22 Optical transmission device CN104967486A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1529427A (en) * 2003-10-16 2004-09-15 上海大学 Multi-channel 10/100M ethernet signal single optical fiber two-way light transmission terminal
CN1973228A (en) * 2004-06-24 2007-05-30 福希纳光学公司 Bidirectional optical transceiver module using a single optical fiber cable
CN101558588A (en) * 2006-11-30 2009-10-14 皇家飞利浦电子股份有限公司 Intrinsic flux sensing
CN101588205A (en) * 2008-05-21 2009-11-25 光环科技股份有限公司 Three-wavelength two-way optical fiber communication system, transmitter optical subassembly and receiver optical subassembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1529427A (en) * 2003-10-16 2004-09-15 上海大学 Multi-channel 10/100M ethernet signal single optical fiber two-way light transmission terminal
CN1973228A (en) * 2004-06-24 2007-05-30 福希纳光学公司 Bidirectional optical transceiver module using a single optical fiber cable
CN101558588A (en) * 2006-11-30 2009-10-14 皇家飞利浦电子股份有限公司 Intrinsic flux sensing
CN101588205A (en) * 2008-05-21 2009-11-25 光环科技股份有限公司 Three-wavelength two-way optical fiber communication system, transmitter optical subassembly and receiver optical subassembly

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