CN103684619A - Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment - Google Patents

Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment Download PDF

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Publication number
CN103684619A
CN103684619A CN201310705691.0A CN201310705691A CN103684619A CN 103684619 A CN103684619 A CN 103684619A CN 201310705691 A CN201310705691 A CN 201310705691A CN 103684619 A CN103684619 A CN 103684619A
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signal
receiving equipment
power supply
optical fiber
power receiving
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CN201310705691.0A
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沈炎春
郑磊
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Fujian Star Net Communication Co Ltd
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Fujian Star Net Communication Co Ltd
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Priority to CN201310705691.0A priority Critical patent/CN103684619A/en
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Abstract

The invention provides a power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment. The power supply equipment sends an optical energy signal to the power receiving equipment through the optical fibers, wherein the optical energy signal is used for supplying power to the power receiving equipment; after the power receiving equipment is powered on, signal connection between the power supply equipment and the power receiving equipment is established based on the optical fibers; when sending the optical energy signal, the power supply equipment sends an optical signal carrying communication data to the power receiving equipment through the optical fibers based on signal connection. The power supply equipment and the power receiving equipment are connected only through the optical fibers, the power supply equipment can supply the power to the power receiving equipment based on the optical fibers, and therefore the power supply equipment can transmit the electric energy signal to the power receiving equipment without depending on cables any more; in addition, because when the power supply equipment supplies the power to the power receiving equipment, communications between the power supply equipment and the power receiving equipment are carried out based on the optical fibers, electrical isolation is achieved, and external electromagnetic interference and lightning damage are reduced.

Description

Power supply based on optical fiber and communication means and system, power supply unit, power receiving equipment
Technical field
The present invention relates to fiber optic applications field, relate in particular to a kind of based on optical fiber power supply and communication means and system, power supply unit, power receiving equipment.
Background technology
Optical fiber communication refers to a kind of a kind of mode of utilizing light and optical fiber (Optical Fiber) to transmit data, belongs to a kind of of wire communication.Optical fiber and copper cash are the main mediums of signal transmission in network service.Before optical fiber occurs, use merely the pattern of copper cash power and communicate by letter, transmission range cannot reach several kilometers of above scopes, and signal is subject to electrical Interference, between equipment, cannot realize electrical isolation completely.
Along with the development of optical fiber technology, optical fiber communication has become current topmost wire communication mode now.In order to improve transmission range, optical fiber combination, in the structure sheaf of power cable, is carried out to the transmission of energy and signal by cable and the optical fiber combining.But optical fiber combination, in the pattern of cable, is still carried out to electric energy transmitting by cable between equipment, between equipment, cannot realize electrical isolation, thereby cause equipment to be easily subject to external electromagnetic interference and broken by lightning.
Summary of the invention
The invention provides a kind of power supply based on optical fiber and communication means and system, power supply unit, power receiving equipment, to solve the existing problem of external electromagnetic interference and broken by lightning that optical fiber combination is easily subject in the pattern of cable.
To achieve these goals, the invention provides a kind of power supply and communication means based on optical fiber, comprising:
Power supply unit sends for the light energy signal to described power receiving equipment power supply to power receiving equipment by optical fiber;
After described power receiving equipment powers on, the signal of described power supply unit based on setting up for transport communication data between described optical fiber and described power receiving equipment is connected;
In sending the process of described light energy signal, described power supply unit is connected on described optical fiber and sends to described power receiving equipment the light signal that carries communication data based on described signal.
To achieve these goals, the invention provides a kind of power supply and communication means based on optical fiber, comprising:
Power receiving equipment receives the light energy signal for described power receiving equipment is powered that power supply unit sends by optical fiber;
Described power receiving equipment signal based on setting up for transport communication data between described optical fiber and described power supply unit after powering on is connected;
In receiving the process of described light energy signal, described power receiving equipment is connected to the light signal that carries communication data on described optical fiber with described power supply unit transmission based on described signal.
To achieve these goals, the invention provides a kind of power supply unit, comprising:
Light energy signal module, for generation of the light energy signal for to power receiving equipment power supply;
Light signal module, for generation of the light signal that carries communication data;
Sending module, for sending described light energy signal by optical fiber to power receiving equipment;
Signal connects sets up module, after powering at described power receiving equipment, based on setting up the signal that is used for transport communication data between described optical fiber and described power receiving equipment, is connected;
Described sending module, also, for the process sending described light energy signal, is connected on described optical fiber and sends described light signal to described power receiving equipment based on described signal.
To achieve these goals, the invention provides a kind of power receiving equipment, comprising:
Receiver module, the light energy signal for described power receiving equipment is powered sending by optical fiber for receiving power supply unit;
Signal connects sets up module, for after powering on, based on foundation between described optical fiber and described power supply unit, the signal for transport communication data is connected;
Described receiver module, also for the process receiving described light energy signal, is connected to the light signal that carries communication data that receives described power supply unit transmission on described optical fiber based on described signal;
Supply module, powers to self for described light energy signal;
Acquisition module, for from described light signal obtaining communication data.
To achieve these goals, the invention provides a kind of power supply and communication system based on optical fiber, comprising: above-mentioned power supply unit and power receiving equipment, described power supply unit is connected by optical fiber with described power receiving equipment.
A kind of power supply based on optical fiber provided by the invention and communication means and system, power supply unit, power receiving equipment, power supply unit sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit is being connected to the light signal that carries communication data on optical fiber to power receiving equipment transmission based on this signal.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Accompanying drawing explanation
A kind of power supply based on optical fiber that Fig. 1 provides for the embodiment of the present invention and the schematic flow sheet of communication means;
The power supply of another kind based on optical fiber and the schematic flow sheet of communication means that Fig. 2 provides for the embodiment of the present invention;
Another power supply based on optical fiber and the schematic flow sheet of communication means that Fig. 3 provides for the embodiment of the present invention;
Another power supply based on optical fiber and the schematic flow sheet of communication means that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a kind of power supply unit that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of power supply unit that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of power receiving equipment that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the another kind of power receiving equipment that Fig. 8 provides for the embodiment of the present invention;
A kind of power supply based on optical fiber that Fig. 9 provides for the embodiment of the present invention and the structural representation of communication system.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
A kind of power supply based on optical fiber that Fig. 1 provides for the embodiment of the present invention and the schematic flow sheet of communication means.As shown in Figure 1, the method comprises the following steps:
101, power supply unit sends for the light energy signal to this power receiving equipment power supply to power receiving equipment by optical fiber.
Between power supply unit and power receiving equipment, by optical fiber, be connected, power supply unit sends light energy signal by this optical fiber to power receiving equipment, and wherein this light energy signal is for powering to power receiving equipment.In the present embodiment, due between power supply unit and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, therefore, first power supply unit needs electric power signal to be converted to above-mentioned light energy signal through electric light, and then this light energy signal is sent to power receiving equipment by optical fiber, to offer electric power signal to power receiving equipment.Similarly, power receiving equipment, after receiving light energy signal, carries out opto-electronic conversion by light energy signal and obtains electric power signal, uses this electric power signal to power on to self.
102,, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and power receiving equipment is connected.
After power receiving equipment powers on, power supply unit is connected based on setting up signal between optical fiber and power receiving equipment.In the present embodiment, when power supply unit can continue receive useful signal from power receiving equipment, illustrate that power receiving equipment powers on, now, power supply unit can be connected based on setting up the signal that is used for transport communication data between optical fiber and power receiving equipment.
Alternatively, power receiving equipment can send a signal to power supply unit and set up indication, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
In order to guarantee the fail safe of power receiving equipment, in the present embodiment after power receiving equipment powers on, power receiving equipment not only can send useful signal to power supply unit, and can further to the state of self, monitor, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit continues to receive useful signal and does not receive abnormal indication signal, illustrate that power receiving equipment has powered on and in normal operating conditions, now, power supply unit can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.In the present embodiment, above-mentioned signal is connected to the physical connection based on optical fiber, and the logic of foundation connects, and this signal connection is carried on this optical fiber.
103,, in sending the process of light energy signal, power supply unit is connected on optical fiber and sends to power receiving equipment the light signal that carries communication data based on signal.
After signal connection has been set up, power supply unit and power receiving equipment just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on this signal, between power supply unit and power receiving equipment, communicate.Need explanation herein, in order to realize communicating by letter between power supply unit and power receiving equipment, in the present embodiment, after power receiving equipment powers on, need between power supply unit and power receiving equipment, set up that logic for transport communication data is connected is described signal connection.After above-mentioned signal connects and set up, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
Due between power supply unit in the present embodiment and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, therefore, first power supply unit need to carry out electric light by the signal of telecommunication that carries communication data and convert the light signal that carries communication data to, and the optical fiber then connecting based on carrying signal sends to power receiving equipment together with light energy signal.Correspondingly, power receiving equipment can receive light energy signal and carry the light signal of communication data, the electric power signal that power receiving equipment is converted to based on light energy signal is self power supply, and can carry out the signal of telecommunication that opto-electronic conversion becomes to carry communication data to carrying the light signal of communication data, from this signal of telecommunication, get communication data, then the indication based on communication data operates accordingly.
The power supply based on optical fiber and communication means that the present embodiment provides, power supply unit sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit carries the light signal of communication data on this signal connects with power receiving equipment transmission.In the present embodiment, power supply unit is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
The power supply of another kind based on optical fiber and the schematic flow sheet of communication means that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the method comprises the following steps:
201, power supply unit sends upper power detection signal by optical fiber to power receiving equipment.
202, power supply unit receives the detection signal that power receiving equipment returns.
203, power supply unit judges whether detection signal is useful signal.
Whether power supply unit sends upper power detection signal by optical fiber to power receiving equipment, legal to detect power receiving equipment.Generally when power receiving equipment receives after upper power detection signal, can return to detection signal to power supply unit, when power supply unit receives after the detection signal that power receiving equipment returns, power supply unit can judge whether this detection signal is useful signal, when if power supply unit is judged detection signal that this power receiving equipment returns and is useful signal, illustrate that power receiving equipment is legal, power supply unit execution step 204; If judging detection signal is invalid signals, illustrate that power receiving equipment is illegal, power supply unit is not powered to power receiving equipment.
204, power supply unit obtains output power indication information from effective detection signal.
Wherein, described output power indication information is used to indicate the required power of power receiving equipment.
Power supply unit obtains output power indication information from this effective detection signal, and wherein output power indication information is returned by power receiving equipment, is used to indicate the required power of power receiving equipment.After determining the required power of power receiving equipment, power supply unit sends the light energy signal corresponding with required power to power receiving equipment.
Illustrate, by one group of signal, express output power indication information, default be used to indicate one group of signal of output power and comprise first signal a, secondary signal b, the 3rd signal c and the 3rd signal d.Four signal a, b, c and d are comprised of any three signals wherein after power receiving equipment is processed, and each signal combination is output power indication information, and different signal combination can represent an output power.For example, signal combination a, b, c are used for representing output power indication information, and performance number corresponding to this signal combination is W4.
205, power supply unit sends for the light energy signal corresponding with required power to power receiving equipment by optical fiber.
In the present embodiment, power supply unit gets the required output power of power receiving equipment from output power indication information, then by optical fiber, to power receiving equipment, sends light energy signal corresponding to power required with this.Particularly, power supply unit obtains output power indication information from effective detection signal, according to output power indication information, obtain the electric power signal corresponding with required power, then electric power signal is converted to the light energy signal corresponding with required power, by optical fiber, this light energy signal is sent to power receiving equipment.
With above-mentioned example, describe, power supply unit can get echo signal combination from output power indication information, then according to this echo signal combination, learn the power that power receiving equipment is required, thereby send the light energy signal corresponding with required power to power receiving equipment.In this example, the signal combination of choosing any three signals comprises: a, b, c; B, c, d; A, b, d and a, c, d.Wherein, in this example, signal combination b, c, d can be expressed as 4'b1110, and performance number corresponding to this signal combination is W1.Signal combination a, c, d can be expressed as 4'b1101, and performance number corresponding to this signal combination is W2.Signal combination a, b, d can be expressed as 4'b1011, and performance number corresponding to this signal combination is W3.Signal combination a, b, c can will be expressed as 4'b0111, and performance number corresponding to this signal combination is W4.
Further, when the output power indication information that power supply unit receives is 4'b1101, power supply unit can learn that corresponding signal combination is a, c, d, and then to get the performance number corresponding with this signal combination be W2, and this W2 is the required power of power receiving equipment.
In the present embodiment step 201 and step 202, on power supply unit sends after power detection signal, if power supply unit does not receive the detection signal that power receiving equipment returns, the detection signal receiving comprises a, b, any 1 signal in c and d, or the detection signal receiving comprises a, b, any 2 signals in tetra-signals of c and d, or the detection signal receiving comprises a, b, tetra-signals of c and d, now, power supply unit can judge that the detection signal receiving is invalid signals, determining power receiving equipment is illegality equipment, thereby not to this power receiving equipment power supply.That is to say, in this example using the combination of any 3 signals in a, b, c and d as effective detection signal.
206,, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and power receiving equipment is connected.
After power receiving equipment powers on, power supply unit is connected based on setting up signal between optical fiber and power receiving equipment.In the present embodiment, after power receiving equipment powers on, power receiving equipment not only can send useful signal to power supply unit, and can further to the state of self, monitor, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit can continue to receive effective detection signal from power receiving equipment, and do not receive abnormal indication signal, illustrate that power receiving equipment powers on, and in normal operating conditions, now, power supply unit can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.In the present embodiment, signal is connected to the physical connection based on optical fiber, and the logic of foundation connects, and this signal connection is carried on this optical fiber.
Alternatively, power receiving equipment can send a signal to power supply unit and set up indication, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
207,, in sending the process of light energy signal, power supply unit is connected on optical fiber and sends to power receiving equipment the light signal that carries communication data based on signal.
After signal connection has been set up, power supply unit and power receiving equipment just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on signal.Due between power supply unit in the present embodiment and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, therefore, first power supply unit need to carry out electric light by the signal that carries communication data and convert the light signal that carries communication data to, then based on signal, connects and send to power receiving equipment together with light energy signal.In the present embodiment, signal is connected to the physical connection based on optical fiber, and the logic of foundation connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
208,, in sending the process of light energy signal, power supply unit receives by optical fiber the abnormal indication signal that power receiving equipment sends.
Wherein, abnormal indication signal is sent when appearance is abnormal by power receiving equipment.
209, power supply unit stops sending light energy signal to power receiving equipment according to abnormal indication signal.
After power receiving equipment reception light energy signal powers on, can constantly to self, monitor, power receiving equipment send fault or abnormal after, power receiving equipment can send abnormal indication signal to power supply unit, to indicate power supply unit to stop sending light energy signal to power receiving equipment.That is to say, in sending the process of light energy signal, power supply unit receives by optical fiber the abnormal indication signal that power receiving equipment sends.Wherein, abnormal indication signal is sent when appearance is abnormal by power receiving equipment.At the abnormal indication signal that receives power receiving equipment transmission, power supply unit stops sending light energy signal to power receiving equipment according to this abnormal indication signal.
210,, in sending the process of light energy signal, power supply unit sends upper power detection signal by optical fiber to power receiving equipment, so that power receiving equipment returns to effective detection signal to power supply unit.
If 211 do not receive effective detection signal within the default time interval, power supply unit stops sending light energy signal to power receiving equipment.
Further, in sending the process of light energy signal, power supply unit sends upper power detection signal by optical fiber to power receiving equipment, so that power receiving equipment returns to effective detection signal to power supply unit, if within the default time interval, power supply unit does not receive effective monitor signal, stops sending light energy signal to power receiving equipment.
Particularly, first power supply unit need to carry out electric light by the signal that carries communication data and convert above-mentioned light signal to, then light signal and light energy signal are carried out to wavelength division multiplexing, obtain composite optical signal, then by optical fiber, composite optical signal is sent to power receiving equipment.Correspondingly, power receiving equipment, after receiving composite optical signal, carries out Wave Decomposition to composite optical signal multiplexing, obtains light energy signal and carries the light signal of communication data, then this light signal and light energy signal is carried out to opto-electronic conversion.The electric power signal that power receiving equipment is converted to based on light energy signal is self power supply.Power receiving equipment can get communication data from carry the light signal of communication data, and operates accordingly according to the indication of this communication data.
Alternatively, the optical fiber that connects power supply unit and power receiving equipment can be two fibres, comprises the first optical fiber and the second optical fiber.Power supply unit sends first signal by the first optical fiber to power receiving equipment, and is used for receiving secondary signal from power receiving equipment by the second optical fiber.Need explanation herein, the first signal that power supply unit sends at the first optical fiber comprises light energy signal, carry communication data light signal and on power detection signal.The secondary signal that power supply unit receives on the second optical fiber is light signal and the abnormal indication signal carrying from the communication data of power receiving equipment.When optical fiber is two fibre, the connection of the signal for transport communication data of foundation is carried on the first optical fiber and the second optical fiber.
The power supply based on optical fiber and communication means that the present embodiment provides, power supply unit sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit carries the light signal of communication data on this signal connects with power receiving equipment transmission.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Further, can also to the state of power receiving equipment and power demand, monitor in real time, thereby can be power receiving equipment power supply neatly, and after power receiving equipment occurs extremely, can stop power supply in time, avoid the damage to power receiving equipment.
Another power supply based on optical fiber and the schematic flow sheet of communication means that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the method comprises the following steps:
301, power receiving equipment receives the light energy signal for power receiving equipment is powered that power supply unit sends by optical fiber.
Between power supply unit and power receiving equipment, by optical fiber, be connected, power supply unit sends light energy signal by this optical fiber to power receiving equipment, and wherein this light energy signal is for powering to power receiving equipment.In the present embodiment, due between power supply unit and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, therefore, first power receiving equipment needs through opto-electronic conversion, to become electric power signal by receiving light energy signal, then based on this electric power signal, to self, powers.
302, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected.
After power receiving equipment powers on, power receiving equipment can be constantly to power supply unit inverse signal, when power receiving equipment continues to send effective signal to power supply unit, illustrate that power receiving equipment has powered on and can normally work, the signal of power receiving equipment based on setting up for transport communication data between optical fiber and power supply unit is connected.Alternatively, power receiving equipment can send a signal to power supply unit and set up indication, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
In order to guarantee the fail safe of power receiving equipment, in the present embodiment after power receiving equipment powers on, power receiving equipment not only can send useful signal to power supply unit, and can further to the state of self, monitor, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit continues to receive useful signal and does not receive abnormal indication signal, illustrate that power receiving equipment has powered on and in normal operating conditions, now, power supply unit can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
303,, in receiving the process of light energy signal, power receiving equipment receives the light signal that carries communication data that power supply unit sends on signal connects.
After signal connection has been set up, power supply unit and power receiving equipment just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on signal.In receiving the process of light energy signal, the optical fiber that power receiving equipment can connect from this carrying signal receives the light signal that carries communication data.
Due between power supply unit in the present embodiment and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, the signal of telecommunication that power receiving equipment need to become electric power signal and carry communication data carrying out opto-electronic conversion light energy signal and described light signal.The electric power signal that power receiving equipment is converted to based on light energy signal is self power supply, and can carry out the signal of telecommunication that opto-electronic conversion becomes to carry communication data to carrying the light signal of communication data, thereby in this signal of telecommunication, get communication data, then the indication based on communication data operates accordingly.
The power supply based on optical fiber and communication means that the present embodiment provides, power receiving equipment receives power supply unit by optical fiber and sends for the light energy signal to power receiving equipment power supply, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected, in receiving the process of light energy signal, power receiving equipment carries the light signal of communication data on this signal connects with power supply unit transmission.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power receiving equipment not only can receive the power supply of power supply unit based on optical fiber, no longer rely on the electric power signal that cable receives Self Powered Device to send, and based on optical fiber and power supply unit, communicate in the process of power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Another power supply based on optical fiber and the flow chart of communication means that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, the method comprises the following steps:
401, power receiving equipment receives power supply unit by optical fiber and sends upper power detection signal.
402, power receiving equipment returns to detection signal to power supply unit, so that power supply unit is when judging detection signal and be useful signal, from detection signal, obtain output power indication information, and obtain the electric power signal corresponding with required power according to output power indication information, convert electric power signal to the light energy signal corresponding with required power.
Wherein, output power indication information is used to indicate the required power of power receiving equipment.
General power supply unit need to judge whether this power receiving equipment is legitimate device before powering to power receiving equipment.In the present embodiment, power receiving equipment receives power supply unit by optical fiber and sends upper power detection signal, and power receiving equipment receives after power detection signal, can return to detection signal to power supply unit.When power receiving equipment is legitimate device, the detection signal returning is useful signal, and when power receiving equipment is illegality equipment, the detection signal returning is invalid signals.Whether power supply unit can be effective according to detection signal, judges that whether power receiving equipment is legal.When the detection signal returning is useful signal, it is legitimate device that power supply unit can be judged power receiving equipment.In the present embodiment, power receiving equipment effectively can carry output power indication information in detection signal, and this output power indication information is used to indicate the required power of power receiving equipment.Introduction about output power indication information and detection signal can, referring to record and the description of example in related content in above-described embodiment and above-described embodiment, repeat no more herein.
403, power receiving equipment receives power supply unit by optical fiber and sends light energy signal corresponding to power required with power receiving equipment.
Judge power receiving equipment legal after, power supply unit can obtain output power indication information from this effective detection signal, power supply unit sends the light energy signal corresponding with required power to power receiving equipment.
404, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected.
After power receiving equipment powers on, power receiving equipment not only can send effective detection signal to power supply unit constantly, and can further to the state of self, monitor, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit can continue to receive effective detection signal from power receiving equipment, and do not receive abnormal indication signal, illustrate that power receiving equipment has powered on and in normal operating conditions, now, power supply unit can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
Alternatively, power receiving equipment can send a signal to power supply unit and set up indication, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
405,, in receiving the process of light energy signal, power receiving equipment is connected to the light signal that carries communication data that receives power supply unit transmission on optical fiber based on signal.
After signal connection has been set up, power supply unit and power receiving equipment just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on signal.In receiving the process of light energy signal, the optical fiber that power receiving equipment connects from carrying signal receives the light signal that carries communication data.
406, in receiving the process of light energy signal, power receiving equipment sends abnormal indication signal by optical fiber to power supply unit when appearance is abnormal, so that power supply unit stops sending light energy signal to power receiving equipment according to abnormal indication signal.
Power receiving equipment is after reception light energy signal powers on, can constantly to self, monitor, after power receiving equipment breaks down or is abnormal, the abnormal indication signal that power receiving equipment can send to power supply unit by optical fiber, so that power supply unit receives after this abnormal indication signal, stop sending light energy signal to power receiving equipment.
407, in receiving the process of light energy signal, power receiving equipment receives by optical fiber the upper power detection signal that power supply unit sends, so that power supply unit receives power receiving equipment within the default time interval, do not return to effective detection signal, stop sending light energy signal to power receiving equipment.
Further, in receiving the process of described light energy signal, power receiving equipment receives by optical fiber the upper power detection signal that power supply unit sends, power receiving equipment is on receiving after power detection signal, can return to detection signal to power supply unit, if power supply unit does not receive effective detection signal within the default time interval, power supply unit will stop sending light energy signal to power receiving equipment.
Particularly, power receiving equipment is at the composite optical signal that receives power supply unit and send, and then composite optical signal carried out to Wave Decomposition multiplexing, obtains light energy signal and carries the light signal of communication data.Power receiving equipment carries out opto-electronic conversion to this light signal and light energy signal, obtains carrying the signal of telecommunication and the electric power signal of communication data.The electric power signal of power receiving equipment based on being converted to is self power supply, and can from carry the light signal of communication data, get communication data, and operates accordingly according to the indication of this communication data.
Alternatively, the optical fiber that connects power supply unit and power receiving equipment can be two fibres, comprises the first optical fiber and the second optical fiber.Power receiving equipment receives by the first optical fiber the first signal that power supply unit sends, and is used for sending secondary signal to power supply unit by the second optical fiber.Need explanation herein, the first signal that power receiving equipment receives on the first optical fiber comprises light energy signal, carry communication data light signal and on power detection signal.The secondary signal that power receiving equipment sends on the second optical fiber is light signal and the abnormal indication signal carrying from the communication data of power receiving equipment.When optical fiber is two fibre, the connection of the signal for transport communication data of foundation is carried on the first optical fiber and the second optical fiber.
The power supply based on optical fiber and communication means that the present embodiment provides, power receiving equipment receives power supply unit by optical fiber and sends for the light energy signal to power receiving equipment power supply, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected, in receiving the process of light energy signal, power receiving equipment is connected to the light signal that carries communication data that receives power supply unit transmission on optical fiber based on this signal.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power receiving equipment not only can receive the power supply of power supply unit based on optical fiber, no longer rely on the electric power signal that cable receives Self Powered Device to send, and based on optical fiber and power supply unit, communicate in the process of power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Further, can also to the state of power receiving equipment and power demand, monitor in real time, thereby can be power receiving equipment power supply neatly, and after power receiving equipment occurs extremely, can stop power supply in time, avoid the damage to power receiving equipment.
The structural representation of a kind of power supply unit that Fig. 5 provides for the embodiment of the present invention.As shown in Figure 5, this power supply unit comprises: light signal module 50, light energy signal module 51, sending module 52 are connected with signal sets up module 53.
In the present embodiment, between power supply unit and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber.Wherein, light signal module 50 is for generation of the light signal that carries communication data, and light signal module 50 can become to carry the light signal of communication data by the signal of telecommunication that carries communication data through opto-electronic conversion particularly.Light energy signal module 51 is for generation of the light energy signal for to power receiving equipment power supply.Light energy signal module 51 becomes light energy signal by electric power signal through opto-electronic conversion particularly.
Sending module 52 sends light energy signal by this optical fiber to power receiving equipment, and wherein this light energy signal is for powering to power receiving equipment.After power receiving equipment powers on, signal connects to be set up the signal of module 53 based on setting up for transport communication data between optical fiber and power receiving equipment and is connected.In the present embodiment, after power receiving equipment powers on, can continue to power supply unit inverse signal, when power supply unit can continue to receive effective signal from power receiving equipment, illustrate that power receiving equipment has powered on and can normally work, now, signal connects and to set up module 53 and can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
Alternatively, power receiving equipment can send a signal to power supply unit and set up indication, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
In order to guarantee the fail safe of power receiving equipment, after powering on, power receiving equipment not only can send useful signal to power supply unit, and can monitor the state of self, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit continues to receive useful signal and does not receive abnormal indication signal, illustrate that power receiving equipment has powered on and in normal operating conditions, now, signal connects and to set up module 53 and can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.
After signal connection has been set up, power supply unit just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on signal by sending module 52 and power receiving equipment.The optical fiber connecting based on carrying signal at sending module 52 sends to power receiving equipment by light energy signal together with carrying the light signal of communication data.Correspondingly, power receiving equipment can receive light energy signal and carry the light signal of communication data, then the electric power signal being converted to based on light energy signal is self power supply, and carry out to carrying the light signal of communication data the signal of telecommunication that opto-electronic conversion becomes to carry communication data, thereby in this signal of telecommunication, get communication data, then the indication based on communication data operates accordingly.
Power supply unit in the present embodiment sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit carries the light signal of communication data on this signal connects with power receiving equipment transmission.In the present embodiment, power supply unit is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
The structural representation of the another kind of power supply unit that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, light signal module 50, light energy signal module 51 and the sending module 52 of this power supply unit in above-described embodiment is connected and sets up module 53 with signal, also comprises: receiver module 54, judge module 55, acquisition module 56, control module 57 and Wavelength division multiplexing module 58.
Whether, before power supply unit sends light energy signal to power receiving equipment, sending module 52 can also send upper power detection signal to power receiving equipment by optical fiber, legal to detect power receiving equipment by power detection signal on this.Power receiving equipment after power detection signal, can return to detection signal to power supply unit on receiving, and when the detection signal generally returning when power receiving equipment is useful signal, illustrates that power receiving equipment is legal.Receiver module 54 receives the detection signal that power receiving equipment returns, and then by 55 pairs of detection signals that return of judge module, is judged, judges whether this detection signal is useful signal.If useful signal illustrates that power receiving equipment is legal.Judge module 55 is connected with acquisition module 56, at judge module 55, judge after detection signal is useful signal, acquisition module 56 obtains output power indication information from this effective detection signal, and this output power indication information is used to indicate the required power of power receiving equipment.If it is invalid signals that judge module 55 is judged detection signal, illustrate that power receiving equipment is illegal, power supply unit is not powered to power receiving equipment.
After getting output power indication information, sending module 52 sends light energy signal corresponding to power required with power receiving equipment according to this output power indication information to power receiving equipment.Wherein light energy signal module 51 converts required electric power signal corresponding to power of power receiving equipment the light energy signal that the required power of power receiving equipment is corresponding to and sends to sending module 52.
Illustrate, by one group of signal, express output power indication information, default be used to indicate one group of signal of output power and comprise first signal a, secondary signal b, the 3rd signal c and the 3rd signal d.Four signal a, b, c and d are comprised of any three signals wherein after power receiving equipment is processed, and each signal combination is output power indication information, and different signal combination can represent an output power.The signal combination of choosing any three signals comprises: a, b, c; B, c, d; A, b, d and a, c, d.Wherein, in this example, signal combination b, c, d can be expressed as 4'b1110, and performance number corresponding to this signal combination is W1.Signal combination a, c, d can be expressed as 4'b1101, and performance number corresponding to this signal combination is W2.Signal combination a, b, d can be expressed as 4'b1011, and performance number corresponding to this signal combination is W3.Signal combination a, b, c can will be expressed as 4'b0111, and performance number corresponding to this signal combination is W4.
After receiving effective detection signal, acquisition module 56 can get echo signal combination from output power indication information, then according to this echo signal combination, learn the power that power receiving equipment is required, thereby send the light energy signal corresponding with required power to power receiving equipment.For example, when the output power indication information getting when acquisition module 56 is 4'b1101, the signal combination that this 4'b1101 is corresponding is a, c, d, and then to get the performance number corresponding with this signal combination be W2, this W2 is the required power of power receiving equipment, and sending module 52 sends the light energy signal corresponding with performance number W2 by optical fiber to power receiving equipment.
After power receiving equipment powers on, signal connects to be set up module 53 and is connected based on setting up signal between optical fiber and power receiving equipment.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After signal connection has been set up, sending module 52 connects and carries out the transmission of normal communication data to power receiving equipment based on signal.After the above-mentioned signal of the present embodiment connects and set up, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
In the present embodiment, power receiving equipment is after reception light energy signal powers on, can constantly to self, monitor, in power receiving equipment transmission fault or extremely, receiver module 54 will receive the abnormal indication signal of power receiving equipment transmission, receiver module 54 is connected with control module 57, and control module 57 stops sending light energy signal to power receiving equipment according to this abnormal indication signal.
Further, in sending the process of light energy signal, sending module 52 sends upper power detection signal by optical fiber to power receiving equipment, so that power receiving equipment returns to effective detection signal to power supply unit, if within the default time interval, receiver module 54 does not receive effective monitor signal, and control module 57 stops sending light energy signal to power receiving equipment.
Further, Wavelength division multiplexing module 58, for carrying out wavelength division multiplexing and obtain composite optical signal carrying the light signal of communication data and light energy signal, is then connected composite optical signal is sent to power receiving equipment by signal.
Alternatively, the optical fiber that connects power supply unit and power receiving equipment can be two fibres, comprises the first optical fiber and the second optical fiber.For power supply unit, by the first optical fiber, to power receiving equipment, send first signal, by the second optical fiber, from power receiving equipment, receive secondary signal.Need explanation herein, the first signal that sending module 52 sends on the first optical fiber comprises light energy signal, carry communication data light signal and on power detection signal, the secondary signal that receiver module 54 receives on the second optical fiber comprises light signal and the abnormal indication signal carrying from the communication data of power receiving equipment.And signal connects and to set up the signal for transport communication data that module 53 sets up and connect and be carried on the first optical fiber and the second optical fiber.
Power supply unit in the present embodiment sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit carries the light signal of communication data on this signal connects with power receiving equipment transmission.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Further, can also to the state of power receiving equipment and power demand, monitor in real time, thereby can be power receiving equipment power supply neatly, and after power receiving equipment occurs extremely, can stop power supply in time, avoid the damage to power receiving equipment.
The structural representation of a kind of power receiving equipment that Fig. 7 provides for the embodiment of the present invention.As shown in Figure 7, this power receiving equipment comprises: receiver module 71, signal connect sets up module 72, supply module 73 and acquisition module 74.
Between power supply unit and power receiving equipment, by optical fiber, be connected, power supply unit sends light energy signals by this optical fiber to the receiver module 71 in power receiving equipment, and wherein this light energy signal is for powering to power receiving equipment.Receiver module 71 is connected with supply module 73, and supply module 73 receives light energy signal and powers for power receiving equipment for using.Particularly, due between power supply unit and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, therefore, after receiving light energy signal, first supply module 73 carries out opto-electronic conversion by light energy signal and becomes electric power signal, based on this electric power signal, to self, powers.
After power receiving equipment powers on, power receiving equipment can be constantly to power supply unit inverse signal, when power receiving equipment continues to send effective signal to power supply unit, illustrate that power receiving equipment powers on, signal connects to be set up module 72 signal based on setting up for transport communication data between optical fiber and power supply unit is connected.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
Alternatively, module 72 is set up in signal connection can send a signal foundation indication to power supply unit, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
In order to guarantee the fail safe of power receiving equipment, after powering on, power receiving equipment not only can send useful signal to power supply unit, and can monitor the state of self, when appearance is abnormal, to power supply unit, send abnormal indication signal, if power supply unit continues to receive useful signal and does not receive abnormal indication signal, illustrate that power receiving equipment has powered on and in normal operating conditions, now, signal connects and to set up module 72 and can be connected by the signal based on setting up for transport communication data between optical fiber and power supply unit.
After signal connection has been set up, power supply unit and power receiving equipment just can be connected to the sending and receiving that carries out normal communication data on optical fiber based on signal.In receiving the process of light energy signal, the optical fiber that receiver module 71 connects from carrying signal receives the light signal that carries communication data.Due between power supply unit and power receiving equipment, by optical fiber, be connected, can only transmitting optical signal on optical fiber, receiver module 71 is also connected with acquisition module 74, after receiving above-mentioned light signal, acquisition module 74 need to become to carry to light signal the signal of telecommunication of communication data to carrying out opto-electronic conversion, then acquisition module 74 gets communication data from carry the signal of telecommunication of communication data.The indication of power receiving equipment based on communication data operates accordingly.
Power receiving equipment in the present embodiment receives power supply unit by optical fiber and sends for the light energy signal to power receiving equipment power supply, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected, in receiving the process of light energy signal, power receiving equipment carries the light signal of communication data on this signal connects with power supply unit transmission.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power receiving equipment not only can receive the power supply of power supply unit based on optical fiber, no longer rely on the electric power signal that cable receives Self Powered Device to send, and based on optical fiber and power supply unit, communicate in the process of power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
The structural representation of the another kind of power receiving equipment that Fig. 8 provides for the embodiment of the present invention.As shown in Figure 8, this power receiving equipment is set up module 72 and supply module 73 and acquisition module 74 except comprising receiver module 71, signal connection in above-described embodiment, also comprises: demultiplexing module 75, light signal module 76, light energy signal module 77 and sending module 78.
General power supply unit need to judge whether this power receiving equipment is legitimate device before powering to power receiving equipment.Receiver module 71 receives power supply unit by optical fiber and sends upper power detection signal, and power receiving equipment receives after power detection signal, can to power supply unit, return to detection signal by sending module 78.When the detection signal returning is useful signal, illustrate that power receiving equipment is legitimate device, and work as the detection signal returning, be invalid signals, illustrate that power receiving equipment is illegality equipment.In the present embodiment, power receiving equipment effectively can carry output power indication information in detection signal, and this output power indication information is used to indicate the required power of power receiving equipment.Judge power receiving equipment legal after, power supply unit can obtain output power indication information from this effective detection signal, power supply unit sends the light energy signal corresponding with required power to power receiving equipment.Wherein, the introduction about output power indication information and detection signal can, referring to record and the description of example in related content in above-described embodiment and above-described embodiment, repeat no more herein.
After power receiving equipment powers on, power receiving equipment can send effective detection signal to power supply unit constantly, power supply unit can continue to receive effective detection signal from power receiving equipment, and power supply unit does not receive abnormal indication signal, illustrate that power receiving equipment has powered on and can normally work.Signal in power receiving equipment connects to be set up module 72 and can be connected by the signal based on setting up for transport communication data between optical fiber and power receiving equipment.Wherein, signal is connected to the logic of setting up based on this physical connection of optical fiber and connects, and this signal connection is carried on this optical fiber.After above-mentioned signal connects and set up in the present embodiment, between power supply unit and power receiving equipment, could be connected to and on optical fiber, transmit the light signal that carries communication data based on signal.
Alternatively, module 72 is set up in signal connection can send a signal foundation indication to power supply unit, and after receiving signal foundation indication, power supply unit can be set up a signal with power receiving equipment and be connected.
After signal connection has been set up, power receiving equipment and power supply unit just can carry out the sending and receiving of normal communication data.In receiving the process of light energy signal, on the optical fiber that receiver module 71 can connect at carrying signal, transmission carries the light signal of communication data.
Power receiving equipment is after reception light energy signal powers on, can constantly to self, monitor, monitor break down or abnormal after, the abnormal indication signal that sending module 78 can send to power supply unit, now power supply unit receives after this abnormal indication signal, stops sending light energy signal to power receiving equipment.
Further, in receiving the process of light energy signal, receiver module 71 can constantly receive the upper power detection signal that power supply unit sends by optical fiber.On receiving, after power detection signal, power receiving equipment can return to detection signal to power supply unit, if power supply unit does not receive effective detection signal within the default time interval, power supply unit will stop sending light energy signal to power receiving equipment.
Power supply unit can carry out wavelength division multiplexing with the light signal that carries data-signal by light energy signal and become composite optical signal, then send to power receiving equipment, correspondingly, the signal that power receiving equipment receives from optical fiber comprises light energy signal and carries the light signal of communication data.75 pairs of composite optical signals of demultiplexing module in power receiving equipment carry out the multiplexing light signal that obtains light energy signal and carry communication data of Wave Decomposition.
Further, multiplexing the obtaining of demultiplexing module 75 Wave Decompositions, after light signal and light energy signal, light signal is sent to light signal module 76, and light energy signal is sent to light energy signal module 77.Wherein, 77 pairs of light energy signals of light energy signal module carry out opto-electronic conversion and become electric power signal, send to supply module 73 for power receiving equipment is powered.76 pairs of light signals of light signal module carry out opto-electronic conversion and become to carry the signal of telecommunication of communication data, and this signal of telecommunication is sent to acquisition module 74, and acquisition module 74 gets communication data from this signal of telecommunication.Power receiving equipment just can this communication data indication operate accordingly.
In the present embodiment, power receiving equipment is by optical fiber during to power supply unit transmitted signal, and the signal of telecommunication that need to carry in the future from the communication data of power receiving equipment by light signal module 76 converts light signal to, then sends to power supply unit by sending module 78.
Alternatively, what connect power supply unit and power receiving equipment can optical fiber be two fine, comprises the first optical fiber and the second optical fiber.For power receiving equipment, receiver module 71 receives by the first optical fiber the first signal that power supply unit sends, and sending module 78 sends secondary signal by the second optical fiber to power supply unit.Wherein, the first signal receiving on the first optical fiber comprises light energy signal, carries light signal and the upper power detection signal of communication data.The secondary signal sending on the second optical fiber is light signal and the abnormal indication signal carrying from the communication data of power receiving equipment.When optical fiber is two fibre, the connection of the signal for transport communication data of foundation is carried on the first optical fiber and the second optical fiber.
Power receiving equipment in the present embodiment receives power supply unit by optical fiber and sends for the light energy signal to power receiving equipment power supply, power receiving equipment signal based on setting up for transport communication data between optical fiber and power supply unit after powering on is connected, in receiving the process of light energy signal, power receiving equipment carries the light signal of communication data on this signal connects with power supply unit transmission.In the present embodiment, power supply unit is only connected by optical fiber with power receiving equipment, power receiving equipment not only can receive the power supply of power supply unit based on optical fiber, no longer rely on the electric power signal that cable receives Self Powered Device to send, and based on optical fiber and power supply unit, communicate in the process of power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Further, can also to the state of power receiving equipment and power demand, monitor in real time, thereby can be power receiving equipment power supply neatly, and after power receiving equipment occurs extremely, can stop power supply in time, avoid the damage to power receiving equipment.
Fig. 9 is a kind of power supply and communication system based on optical fiber that the embodiment of the present invention provides, and comprising: the power supply unit 1 in above-described embodiment and the power receiving equipment 2 in above-described embodiment.Wherein, power supply unit 1 is connected by optical fiber with power receiving equipment 2.Introduction about power supply unit 1 and power receiving equipment 2 can, referring to the record of related content in above-described embodiment, repeat no more herein.
Further, alternatively, what connect power supply unit and power receiving equipment can optical fiber be two fine, comprises the first optical fiber and the second optical fiber.In power supply and communication system at this based on optical fiber, concerning power supply unit 1, by the first optical fiber, to power receiving equipment 2 transmitted signals, and from power receiving equipment 2, receive signals by the second optical fiber.The signal wherein sending on the first optical fiber comprises light energy signal, carry Self Powered Device 1 self communication data light signal and on power detection signal.
Concerning power receiving equipment 2, by the first optical fiber, receive the signal that power supply unit 1 sends, and pass through the second optical fiber to power supply unit 1 transmitted signal.The signal wherein receiving on the first optical fiber comprises light energy signal, carry Self Powered Device 1 communication data light signal and on power detection signal.The signal sending on the second optical fiber comprises light signal and the abnormal indication signal carrying from the communication data of power receiving equipment 2.
Power supply unit in the present embodiment sends for the light energy signal to power receiving equipment power supply to power receiving equipment by optical fiber, after power receiving equipment powers on, the signal of power supply unit based on setting up for transport communication data between optical fiber and this power receiving equipment is connected, in sending the process of light energy signal, power supply unit carries the light signal of communication data on this signal connects with power receiving equipment transmission.Power supply unit of the present invention is only connected by optical fiber with power receiving equipment, power supply unit not only can be powered to power receiving equipment based on optical fiber, make power supply unit no longer rely on cable to power receiving equipment electric energy transmitting signal, and based on optical fiber and power supply unit, communicate in the process to power receiving equipment power supply, realize electrical isolation object, reduced external electromagnetic interference and broken by lightning.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (17)

1. the power supply based on optical fiber and a communication means, is characterized in that, comprising:
Power supply unit sends for the light energy signal to described power receiving equipment power supply to power receiving equipment by optical fiber;
After described power receiving equipment powers on, the signal of described power supply unit based on setting up for transport communication data between described optical fiber and described power receiving equipment is connected;
In sending the process of described light energy signal, described power supply unit connects on described optical fiber and sends to described power receiving equipment the light signal that carries communication data based on described signal.
2. power supply and the communication means based on optical fiber according to claim 1, is characterized in that, described power supply unit comprises before sending described light energy signal by optical fiber to described power receiving equipment:
Described power supply unit sends upper power detection signal by described optical fiber to described power receiving equipment;
Described power supply unit receives the detection signal that described power receiving equipment returns, and judges whether described detection signal is useful signal;
If the described detection signal returning is useful signal, described power supply unit obtains output power indication information from effective described detection signal, and described output power indication information is used to indicate the required power of described power receiving equipment;
Described power supply unit sends for the light energy signal to described power receiving equipment power supply to power receiving equipment by optical fiber, comprising:
Described power supply unit obtains the electric power signal corresponding with described required power according to described output power indication information;
Described power supply unit converts described electric power signal to the described light energy signal corresponding with described required power and sends to described power receiving equipment.
3. power supply and the communication means based on optical fiber according to claim 1, is characterized in that, also comprises:
In sending the process of described light energy signal, described power supply unit receives by described optical fiber the abnormal indication signal that described power receiving equipment sends; Described abnormal indication signal is sent when appearance is abnormal by described power receiving equipment;
Described power supply unit stops sending described light energy signal to described power receiving equipment according to described abnormal indication signal;
In sending the process of described light energy signal, described power supply unit sends described upper power detection signal by described optical fiber to described power receiving equipment, so that described power receiving equipment returns to effective described detection signal to described power supply unit;
If do not receive effective described detection signal within the default time interval, described power supply unit stops sending described light energy signal to described power receiving equipment.
4. power supply and the communication means based on optical fiber according to claim 3, is characterized in that, described optical fiber comprises the first optical fiber and the second optical fiber;
Described power supply unit sends first signal on described the first optical fiber, and on described the second optical fiber, receive the secondary signal from described power receiving equipment, wherein said first signal comprises described light energy signal, described light signal and described upper power detection signal, and described secondary signal is the light signal that carries communication data and described abnormal indication signal from described power receiving equipment.
5. the power supply based on optical fiber and a communication means, is characterized in that, comprising:
Power receiving equipment receives the light energy signal for described power receiving equipment is powered that power supply unit sends by optical fiber;
Described power receiving equipment signal based on setting up for transport communication data between described optical fiber and described power supply unit after powering on is connected;
In receiving the process of described light energy signal, described power receiving equipment is connected to the light signal that carries communication data that receives described power supply unit transmission on described optical fiber based on described signal.
6. power supply and the communication means based on optical fiber according to claim 5, is characterized in that, described power receiving equipment receive that power supply unit sends by optical fiber for to before the light energy signal of described power receiving equipment power supply, comprising:
Described power receiving equipment receives from described optical fiber the upper power detection signal that described power supply unit sends;
Described power receiving equipment returns to detection signal to described power supply unit, so that described power supply unit is when judging described detection signal and be useful signal, from described detection signal, obtain output power indication information, according to described output power indication information, obtain the electric power signal corresponding with described required power, convert described electric power signal to the described light energy signal corresponding with described required power; Described output power indication information is used to indicate the required power of described power receiving equipment.
7. power supply and the communication means based on optical fiber according to claim 5, is characterized in that, also comprises:
In receiving the process of described light energy signal, described power receiving equipment sends abnormal indication signal by described optical fiber to described power supply unit when appearance is abnormal, so that described power supply unit stops sending described light energy signal to described power receiving equipment according to described abnormal indication signal;
In receiving the process of described light energy signal, described power receiving equipment receives by described optical fiber the described upper power detection signal that described power supply unit sends, so that described power supply unit receives described power receiving equipment within the default time interval, do not return to effective described detection signal, stop sending described light energy signal to described power receiving equipment.
8. power supply and the communication means based on optical fiber according to claim 7, is characterized in that, described optical fiber comprises the first optical fiber and the second optical fiber;
Described power receiving equipment receives first signal on described the first optical fiber, and send secondary signal on described the second optical fiber, wherein said first signal comprises described light energy signal, carries described light signal and the described upper power detection signal of communication data, and described secondary signal is the light signal that carries communication data and described abnormal indication signal from described power receiving equipment.
9. a power supply unit, is characterized in that, comprising:
Light energy signal module, for generation of the light energy signal for to power receiving equipment power supply;
Light signal module, for generation of the light signal that carries communication data;
Sending module, for sending described light energy signal by optical fiber to power receiving equipment;
Signal connects sets up module, after powering at described power receiving equipment, based on setting up the signal that is used for transport communication data between described optical fiber and described power receiving equipment, is connected;
Described sending module, also, for the process sending described light energy signal, is connected on described optical fiber and sends described light signal to described power receiving equipment based on described signal.
10. power supply unit according to claim 9, is characterized in that, also comprises: receiver module, judge module and acquisition module;
Described sending module, for sending upper power detection signal by described optical fiber to described power receiving equipment;
Described receiver module, the detection signal returning for receiving described power receiving equipment;
Described judge module, for judging whether described detection signal is useful signal:
Acquisition module while being useful signal for judging described detection signal at described judge module, obtains output power indication information from effective described detection signal, and described output power indication information is used to indicate the required power of described power receiving equipment;
Described sending module, specifically for obtain the electric power signal corresponding with described required power according to described output power indication information, converts described electric power signal to the described light energy signal corresponding with described required power and sends to described power receiving equipment.
11. power supply units according to claim 10, is characterized in that, described receiver module, the abnormal indication signal also sending for receive described power receiving equipment by described optical fiber; Described abnormal indication signal is sent when appearance is abnormal by described power receiving equipment;
Described power supply unit also comprises: control module, for stopping sending described light energy signal to described power receiving equipment according to described abnormal indication signal;
Described sending module, also for the process sending described light energy signal, sends described upper power detection signal by described optical fiber to described power receiving equipment, so that described power receiving equipment returns to effective described detection signal to described power supply unit;
Described control module, for do not receive effective described detection signal within the default time interval, stops sending described light energy signal to described power receiving equipment.
12. power supply units according to claim 11, is characterized in that, described optical fiber comprises the first optical fiber and the second optical fiber;
Described sending module sends first signal on described the first optical fiber, and described receiver module receives the secondary signal from described power receiving equipment on described the second optical fiber, wherein said first signal comprises described light energy signal, carries described light signal and the described upper power detection signal of communication data, and described secondary signal is the light signal that carries communication data and described abnormal indication signal from described power receiving equipment.
13. 1 kinds of power receiving equipments, is characterized in that, comprising:
Receiver module, the light energy signal for described power receiving equipment is powered sending by optical fiber for receiving power supply unit;
Signal connects sets up module, for after powering on, based on foundation between described optical fiber and described power supply unit, the signal for transport communication data is connected;
Described receiver module, also for the process receiving described light energy signal, is connected to the light signal that carries communication data that receives described power supply unit transmission on described optical fiber based on described signal;
Supply module, powers to self for described light energy signal;
Acquisition module, for from described light signal obtaining communication data.
14. power receiving equipments according to claim 13, is characterized in that, also comprise: sending module;
Described receiver module, also for receive that described power supply unit sends by described optical fiber for before to the described light energy signal of described power receiving equipment power supply, from described optical fiber, receive the upper power detection signal that described power supply unit sends;
Described sending module, for sending detection signal to described power supply unit, so that described power supply unit is when judging described detection signal and be useful signal, from described detection signal, obtain output power indication information, according to described output power indication information, obtain the electric power signal corresponding with described required power, convert described electric power signal to the described light energy signal corresponding with described required power; Described output power indication information is used to indicate the required power of described power receiving equipment.
15. power receiving equipments according to claim 14, it is characterized in that, described sending module, also for the abnormal indication signal to described power supply unit transmission, so that described power supply unit stops sending described light energy signal to described power receiving equipment according to described abnormal indication signal; Described abnormal indication signal is occurred sending when abnormal by described power receiving equipment;
Described receiver module, also for the process receiving described light energy signal, by described optical fiber, receive described upper power detection signal, so that described power supply unit receives described power receiving equipment within the default time interval, do not return to effective described detection signal, stop sending described light energy signal to described power receiving equipment.
16. power receiving equipments according to claim 15, is characterized in that, described optical fiber comprises the first optical fiber and the second optical fiber; Described receiver module receives first signal on described the first optical fiber, described sending module sends secondary signal on described the second optical fiber, wherein said first signal comprises described light energy signal, carries described light signal and the described upper power detection signal of communication data, and described secondary signal is the light signal that carries communication data and described abnormal indication signal from described power receiving equipment.
17. 1 kinds of power supply and communication systems based on optical fiber, it is characterized in that, comprise: the power receiving equipment described in the power supply unit described in the claims 9-12 any one and the claims 13-16 any one, described power supply unit is connected by optical fiber with described power receiving equipment.
CN201310705691.0A 2013-12-19 2013-12-19 Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment Pending CN103684619A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104168121A (en) * 2014-07-14 2014-11-26 杭州华三通信技术有限公司 Port protection method of PSE and PSE
CN104579501A (en) * 2014-12-30 2015-04-29 中冶京诚工程技术有限公司 Optical communication system and method based on laser power supply
CN111064513A (en) * 2020-01-16 2020-04-24 新疆大学 Visible light communication energy supply integrated network architecture
CN111211837A (en) * 2020-01-16 2020-05-29 新疆大学 Visible light communication system based on optical fiber energy supply

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344872A (en) * 2006-12-20 2009-01-14 Jds尤尼弗思公司 Optical data link
CN101594000A (en) * 2009-06-17 2009-12-02 中兴通讯股份有限公司 A kind of Optical NE method of supplying power to and system
CN103138834A (en) * 2011-11-29 2013-06-05 鸿富锦精密工业（深圳）有限公司 Optical fiber transmission system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344872A (en) * 2006-12-20 2009-01-14 Jds尤尼弗思公司 Optical data link
CN101594000A (en) * 2009-06-17 2009-12-02 中兴通讯股份有限公司 A kind of Optical NE method of supplying power to and system
CN103138834A (en) * 2011-11-29 2013-06-05 鸿富锦精密工业（深圳）有限公司 Optical fiber transmission system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104168121A (en) * 2014-07-14 2014-11-26 杭州华三通信技术有限公司 Port protection method of PSE and PSE
CN104168121B (en) * 2014-07-14 2018-09-04 新华三技术有限公司 A kind of the port protection method and PSE of PSE
CN104579501A (en) * 2014-12-30 2015-04-29 中冶京诚工程技术有限公司 Optical communication system and method based on laser power supply
CN104579501B (en) * 2014-12-30 2017-08-29 中冶京诚工程技术有限公司 A kind of light communication system and method based on laser powered sensor
CN111064513A (en) * 2020-01-16 2020-04-24 新疆大学 Visible light communication energy supply integrated network architecture
CN111211837A (en) * 2020-01-16 2020-05-29 新疆大学 Visible light communication system based on optical fiber energy supply

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Application publication date: 20140326