CN103914955A - Forwarding communication equipment and system and communication method - Google Patents
Forwarding communication equipment and system and communication method Download PDFInfo
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- CN103914955A CN103914955A CN201210593810.3A CN201210593810A CN103914955A CN 103914955 A CN103914955 A CN 103914955A CN 201210593810 A CN201210593810 A CN 201210593810A CN 103914955 A CN103914955 A CN 103914955A
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Abstract
The invention relates to forwarding communication equipment and a system and a communication method of parameters acquired by a sensor. The forwarding communication equipment comprises a first communication module for receiving parameter signals detected by sensor nodes, and a second wireless communication module used for coupling the parameter signals received by the first communication module to an electric conductor as a receiving end antenna, and the first communication module and the second communication module have different work frequencies. By employing the communication modules with two work frequencies, the widely applied sensor can be utilized, and the electric conductor can be used to transmit the parameter signals acquired by the sensor. Because the distribution scope of electric conductors is extremely wide, multiple base stations need arranging in the communication system, so that the cost is reduced and the communication system is simplified, and also the forwarding communication equipment and the communication system disclosed by the invention can be widely applied to various regions and occasions.
Description
Technical field
The present invention relates to signal monitoring field, the parameter measurement that relates in particular to equipment with communicate by letter.
Background technology
At present, the sensor of checkout equipment performance parameter or working environment parameter is widely used in fields such as industry and medical treatment.Conventionally the diverse location of equipment is provided with multiple sensors.Sensor and to control main proportion between platform or between sensor be the communication transmission of information of 2.4G hertz, the communication protocol of the 2.4G hertz for example extensively adopting has WIFI, bluetooth and ZigBee etc.The communication distance of these communication modes is all shorter, and the communication distance of for example WIFI and bluetooth is generally in 10 meters, and the communication distance of ZigBee is generally in 50 meters.(for example long for the main equipment that is provided with a lot of sensors, or higher equipment), the parameter signal that multiple base stations receive the sensor collection of diverse location need to be set, by multiple base stations, parameter signal is sent to control center again, by performance or the operating environment condition of control center's watch-dog.Multiple base stations are set and cause communications cost to increase, and make communication system complexity.Meanwhile, the communication network of some sensors has adopted gsm communication network, and due to the limited coverage area of GSM network, this makes not have between chlamydate ground zone sensors and control center and cannot communicate at GSM.
Summary of the invention
The object of the invention is to reduce the cost of existing detection system, simplify its communications portion.
One embodiment of the present of invention provide a kind of communication facilities that forwards, and this equipment comprises first communication module, the parameter signal detecting for receiving sensor node; The second wireless communication module, for being coupling in as the electric conductor of receiving end antenna from the parameter signal of described first communication module, wherein said first communication module and second communication module have different frequency of operation.
Preferably, described first communication module comprises receiver, and described second communication module comprises transmitter, and described receiver and transmitter have different frequency of operation.
Or preferably, described first communication module comprises first transceiver, its for receive that described sensor detects parameter signal, and for to sensor node emission instruction signal; Described the second wireless communication module comprises second transceiver, and it is for sending described parameter signal, and for receiving the command signal to sensor being transmitted by described electric conductor.
Preferably, the frequency of operation of described first communication module is 2.4G hertz, and the frequency of operation of described second communication module is 10-100 megahertz.
Preferably, described sensor detect the parameter signal monitor signal that is power equipment.
Preferably, described communication facilities also comprises inductive electromagnetic coil, and this solenoid can utilize alternating electromotive force equipment to provide electric energy for forwarding communication facilities.
Preferably, described communication facilities also comprises control module, and it is operated under different patterns for controlling described first communication module and second communication module.
One embodiment of the present of invention also provide a kind of communication system, and this communication system comprises: sensor node and above-mentioned forwarding communication facilities, and described sensor node acquisition parameter information, and send the parameter signal generating.
Preferably, described communication system also comprises base station, the described parameter signal that transmit for receiving electric conductor described base station, and described parameter signal is sent to control center.Described base station is also for receiving the command signal from control center, and described command signal is coupling on described electric conductor.
One embodiment of the present of invention also provide a kind of communication means of parameter of sensor collection, the method comprises: receive the parameter signal being sent by sensor with first frequency, described parameter signal is coupling on electric conductor with second frequency by communication.
Preferably, described method also comprises: receive the described parameter signal being sent by described electric conductor, and described parameter signal is sent to control center.
Preferably, described method also comprises: receive the command signal that described control center sends, described command signal is coupling on described electric conductor, receives the command signal being sent by described electric conductor with second frequency, and send described command signal with first frequency to described sensor node.
Preferably, the monitoring information that the parameter information of sensor collection is power equipment, the electric conductor of described coupling parameter signal is line of electric force, described control center is power control center.
Preferably, described method also comprises: receive the parameter signal transmitting from described electric conductor, and send it to control center.
Preferably, described method also comprises: receive the command signal that described control center sends, described command signal is coupling on described electric conductor, receive the command signal being transmitted by described electric conductor, and send described command signal with first frequency with second frequency.
Preferably, the monitoring information that the parameter information gathering in the collection of described parameter and communication means is power equipment, the described electric conductor for coupling parameter signal is line of electric force, described control center is power control center.
From the above description, embodiments of the invention have the communication module of two frequency of operation by employing, not only can utilize present widely used sensor, and the parameter signal that can gather by electric conductor transmission sensor.For example, due to electric conductor (line of electric force, natural gas line, metallic water pipe etc.) distribution range is very wide, therefore embodiments of the invention are without multiple base stations are set, this has not only reduced cost, simplified communication system, and the region that sensor forwarding communication facilities and system can be applied is very extensive.
Accompanying drawing explanation
Other feature of the present invention, feature, advantage and benefit will become more apparent by the detailed description below in conjunction with accompanying drawing.Wherein:
Fig. 1 shows the structural drawing of the forwarding communication facilities in one embodiment of the invention;
Fig. 2 shows the structural drawing of the communication system in one embodiment of the invention;
Fig. 3 shows the collection of the parameter in one embodiment of the invention and the process flow diagram of communication means;
Fig. 4 shows the object lesson of a communication system of the present invention.
Embodiment
Describe each embodiment of the present invention in detail in connection with accompanying drawing below.
Fig. 1 shows the structural drawing of the forwarding communication facilities in one embodiment of the invention.This forwarding communication facilities mainly comprises first communication module 1 and the second wireless communication module 2.The parameter signal that first communication module 1 detects with first frequency receiving sensor node 4.Between first communication module 1 and sensor node 4, can be wire communication mode, for example the two can connect by optical fiber or wire.But between first communication module 1 and sensor node 4, be preferably communication, is that frequency is the communication of 2.4G hertz because the sensor of present main flow all adopts.Between first communication module 1 and sensor node 4, can utilize the bluetooth of 2.4G hertz, ZigBee and WLAN, or the communication protocol such as the widely used Wireless HART of industrial circle communicates.It should be noted that, the frequency of operation of said 2.4G hertz do not require that the frequency of operation of first communication module 1 is just in time 2.4G hertz here,, but near scope 2.4G hertz.For example 2.41G hertz, it is of the present invention above-mentioned communication objective that 2.416G hertz all can reach.Meanwhile, using " sensor node " is here to want to emphasize that sensor is the part in whole communication system, and it can have upstream communication node.
The second wireless communication module 2 and first communication module 1 interconnect (for example can by wire).The second wireless communication module 2 will be coupling on electric conductor 7 from the parameter signal of first communication module 1, makes electric conductor 7 signal that passes a parameter.What in fact electric conductor played here is exactly the effect of antenna, and it receives the parameter signal from the second wireless communication module 2, and transmits this parameter signal.As long as can apply in the present invention from the electric conductor 7 of the parameter signal of the second wireless communication module 2 as antenna transmission, for example electric conductor 7 can be natural gas line, line of electric force and line of electric force pull line and water pipe etc. around.In order to make to need to use as higher second wireless communication module 2 of efficiency of the electric conductor 7 of antenna the second frequency of operation of the frequency of operation that is not equal to first communication module 1.The frequency of operation of second communication module 2 is in the scope of megahertz, and the work efficiency of electric conductor 7 is just fairly good.Preferably the frequency of operation of second communication module is 10-100 megahertz, more preferably 27 open megahertzes.
In sensor node 4, the sensing element of acquisition parameter can be any existing sensor.The parameter of sensor collection can be industry, medical treatment, the equipment that family and other field use (comprises large-scale equipment and device, and small-sized parts etc.) performance parameter or the environmental parameter of these equipment, for example, sensor can detect the pressure and temperature in natural gas line, the humidity and temperature of the extent of corrosion of pipeline and pipeline air etc.Sensor can also detect weather parameters, such as temperature and wind-force etc.For another example, sensor can also detect the electric current in line of electric force, voltage, resistance and the degree of sag etc. of line of electric force.
Forwarding communication facilities can one-way transmission signal, that is to say that forwarding the parameter signal that communication facilities only gathers sensor node 4 sends to electric conductor.Do not needing the occasion that resets the instruction to sensor can use this forwarding communication facilities.Now, first communication module 1 comprises a receiver, and second communication module 1 comprises a transmitter.Receiver receives the parameter signal from sensor node 4 with first frequency, and transmitter is coupling in described parameter signal on the electric conductor 7 of antenna using second frequency.
Forwarding communication facilities also can transmitted in both directions signal, that is to say that, except the parameter signal of sensor node collection is coupling in electric conductor, this forwarding communication facilities can also receive the command signal that electric conductor sends over.Now, first communication module 1 comprises first transceiver, and the second wireless communication module 2 comprises second transceiver.Except transmitting the parameter signal of sensor node collection, second transceiver can receive the command signal being transmitted by electric conductor 7 with second frequency, and first transceiver sends to sensor node with first frequency by command signal.
What preferably, sensor node 4 detected is the parameter signal of power equipment.Conventionally need now operation conditions and the environmental parameter of Real-Time Monitoring power equipment for the consideration of the many factors such as safety and the stabilization of power grids.Such power equipment for example has the transformer of transformer station, relay, isolating switch and high voltage/low voltage power transmission line.Take power transmission line as example, be the fault of finding in time to occur on power transmission line, need to detect in real time the voltage on power transmission line, electric current, power factor, the degree of sag of power transmission line, and humidity and the temperature etc. of line of electric force surrounding air.Meanwhile, preferably forward communication facilities and also comprise near the inductive electromagnetic coil being arranged on alternating electromotive force equipment.Alternating electromotive force equipment, for example transformer, inverter or medium-high voltage transmission lines etc. distribute very extensive, by inductive electromagnetic coil is set near these alternating electromotive force equipment, make inductive electromagnetic coil can produce induction electromotive force, provide electric energy for forwarding communication facilities.The energy can be saved like this, also without for forwarding communication facilities, power supply being set again, the structure that forwards communication facilities can be simplified simultaneously.
As shown in Figure 1, preferably forward communication facilities and also comprise control module 3.This control module 3 can be processed the parameter signal from first communication module 1 and the second wireless communication module 2, translation parameter signal or carry out computing.Control module 3 can also be according to energy-conservation or other actual needs, control first communication module 1 and the second wireless communication module 2 and are operated under different patterns.For example, first communication module 1 and the second wireless communication module 2 can switch according to controller predetermined time section or condition between mode of operation and sleep pattern.Also can only control first communication module work, and the second wireless communication module is not worked.Or for forwarding unit that can transmitted in both directions signal, controller can be controlled two transceivers and only receive or only send parameter signal under some states.
Another one embodiment of the present invention discloses a kind of communication system (as shown in Figure 2).This communication system comprises sensor node 4 and above-mentioned forwarding communication facilities 5.Sensor node 4 acquisition parameter information, and the parameter signal of generation is sent to forwarding communication facilities.About sensor node 4 with forward the structure of communication facilities 5 and the communication mode between the two is shown in explanation above, no longer repeat here.
Preferably, communication system also comprises base station 6, the parameter signal that transmit for receiving electric conductor 7 this base station 6, and parameter signal is sent to control center 8.For guaranteeing that base station 6 can receive parameter signal from electric conductor 7, base station 6 need to be arranged near electric conductor 7, and base station 6 and electric conductor 7 link together.For example between the two, can link together by coupling mechanism, signal to noise ratio (S/N ratio) can be brought up to like this to rational level.The Main Function of coupling mechanism is trap signal.The parameter signal that transmit for receiving electric conductor 7 base station 6, and parameter signal is sent to control center.
Preferably, communication system can transmitted in both directions signal.On the one hand, the parameter signal that sensor node 4 gathers can be coupling in (the bifrequency working method about forwarding communication facilities 5 just no longer describes in detail) on the electric conductor 7 using as antenna here by forwarding communication facilities 5, by electric conductor 7 parameter signals, then base station 6 receives parameter signal, then parameter signal is sent to control center 8.On the other hand, control center 8 can will send to base station 6 to the command signal of sensor node 4, base station 6 is coupling in command signal on electric conductor 7, by electric conductor 7, command signal is sent to and forwards communication facilities 5, then forwards communication facilities 5 and again command signal is sent to sensor unit.
Fig. 3 shows the collection of the parameter in another one embodiment of the present invention and the process flow diagram of communication means.The method comprises: receive the parameter signal being sent by sensor node 4 with first frequency, and described parameter signal is coupling on electric conductor 7 with second frequency by communication.Preferably, said method also comprises: receive the described parameter signal being transmitted by described electric conductor 7, and described parameter signal is sent to control center 8.Preferably, said method also comprises: receive the command signal that described control center 8 sends, described command signal is coupling on described electric conductor 7, receives the command signal being transmitted by described electric conductor 7 by communication with second frequency, and send described command signal with first frequency.With reference to above, to forwarding the explanation of communication facilities and communication system, those skilled in the art can be readily understood that the working method of this communication means, therefore just repeats no more here.
Finally, for the ease of understanding the present invention, Fig. 4 shows a concrete application scenarios of the communication system in the above embodiment of the present invention.This communication system is used for gathering and transmitting the monitor signal (comprising performance parameter and the working environment parameter of line of electric force) of line of electric force.Sensor node 4 is arranged near line of electric force and (can be fixed on transmission of electricity rack 9), is used for the monitor signal of Real-time Collection line of electric force.Electric conductor 7---line of electric force is forwarding signal transmission between communication facilities 5 and base station 6 as antenna.Forward communication facilities 5 and be arranged near line of electric force, be preferably in the distance of several meters to tens meters, forward like this when electromagnetic wave signal that communication facilities 5 sends reaches line of electric force and just can significantly not decay.Base station 6 is fixed on line of electric force.In forwarding communication facilities 5, except arranging beyond first communication module 1, the second wireless communication module 2 and control module 3, inductive electromagnetic coil can also be set, produce induction electromotive force in order to the exchange current with in line of electric force, provide electric energy for forwarding communication facilities 5.
Embodiment of the present invention has the communication module of two frequency of operation by employing, not only can utilize present widely used sensor, and the parameter signal that can gather by electric conductor transmission sensor.Because electric conductor distribution range is very wide, therefore communication system of the present invention is without multiple base stations are set, this has not only reduced cost, has simplified communication system, and region and occasion that forwarding communicator in the embodiment of the present invention and communication system can be applied are very extensive.
By drawings and Examples, the present invention has been carried out to detail display and explanation above, but the invention is not restricted to the embodiment that these have disclosed, other schemes that those skilled in the art therefrom derive are also within protection scope of the present invention.
Claims (14)
1. a forwarding communication facilities, is characterized in that this equipment comprises:
First communication module (1), the parameter signal detecting for receiving sensor node (4);
The second wireless communication module (2), for being coupling in the electric conductor (7) as receiving end antenna from the parameter signal of described first communication module (1),
Wherein said first communication module (1) and second communication module (2) have different frequency of operation.
2. forwarding communication facilities according to claim 1, wherein said first communication module (1) comprises receiver, and described second communication module (2) comprises transmitter, and described receiver and transmitter have different frequency of operation.
3. forwarding communication facilities according to claim 1, wherein
Described first communication module (1) comprises first transceiver, its for receive that described sensor node (4) detects parameter signal, and for to described sensor node (4) emission instruction signal;
Described the second wireless communication module (2) comprises second transceiver, and it is for described parameter signal being transmitted to described electric conductor (7), and the command signal to sensor node (4) being transmitted by described electric conductor (7) for reception.
4. forwarding communication facilities according to claim 1, the frequency of operation of wherein said first communication module (1) is 2.4G hertz, the frequency of operation of described second communication module (2) is 10-100 megahertz.
5. forwarding communication facilities according to claim 1, wherein said sensor node (4) detect the parameter signal monitor signal that is power equipment.
6. forwarding communication facilities according to claim 5, wherein said communication facilities also comprises inductive electromagnetic coil, described inductive electromagnetic coil can utilize alternating electromotive force equipment to provide electric energy for described communication facilities.
7. forwarding communication facilities according to claim 1, wherein said communication facilities also comprises control module (3), it is for controlling described first communication module (1) and second communication module (2) is operated under different mode of operations.
8. a communication system, it is characterized in that, this communication system comprises sensor node (4) and according to the forwarding communication facilities (5) described in claim 1-7, wherein said sensor node (4) is for acquisition parameter information, and the parameter signal of generation is sent to described forwarding communication facilities (5).
9. communication system according to claim 8, wherein said communication system also comprises base station (6), the described parameter signal that transmit for receiving described electric conductor (7) described base station (6), and described parameter signal is sent to control center (8).
10. communication system according to claim 9, wherein said base station (6) are the command signal from control center (8) for reception also, and described command signal is coupling on described electric conductor (7).
11. 1 kinds of communication meanss, the method comprises:
Receive the parameter signal being sent by sensor node (4) with first frequency,
Described parameter signal is coupling on electric conductor (7) with second frequency by communication.
12. communication meanss according to claim 11, wherein said method also comprises: receive the described parameter signal being transmitted by electric conductor (7), and described parameter signal is sent to control center (8).
13. communication meanss according to claim 12, wherein said method also comprises:
Receive the command signal that described control center (8) sends,
Described command signal is coupling in to described electric conductor (7) upper,
Receive the command signal being transmitted by described electric conductor (7) with second frequency,
And send described command signal with first frequency to sensor node (4).
14. communication meanss according to claim 12, the monitor signal that wherein parameter signal of sensor collection is power equipment, the described electric conductor for coupling parameter signal (7) is line of electric force, described control center (8) is power control center.
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| CN201210593810.3A CN103914955A (en) | 2012-12-31 | 2012-12-31 | Forwarding communication equipment and system and communication method |
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| CN201210593810.3A CN103914955A (en) | 2012-12-31 | 2012-12-31 | Forwarding communication equipment and system and communication method |
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Application publication date: 20140709 |