CN204859154U - Bimodulus simulation network deployment unit and multi -level bimodulus simulation network deployment system - Google Patents
Bimodulus simulation network deployment unit and multi -level bimodulus simulation network deployment system Download PDFInfo
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- CN204859154U CN204859154U CN201520573084.8U CN201520573084U CN204859154U CN 204859154 U CN204859154 U CN 204859154U CN 201520573084 U CN201520573084 U CN 201520573084U CN 204859154 U CN204859154 U CN 204859154U
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Abstract
The utility model relates to a bimodulus simulation network deployment unit and multi -level bimodulus simulation network deployment system, wherein, bimodulus simulation network deployment unit includes supply meter, comprehensive ripples ware, signal connection antenna, signal output antenna, carrier wave attenuator, wireless attenuator and the combiner of hindering of bimodulus. The supply meter has the wireless dual -mode communication module of carrier wave. The comprehensive ripples utensil that hinders of bimodulus has power input end, coaxial input, power output end and coaxial output line, and the power output end links to each other with the supply meter, and the coaxial output line links to each other with the carrier wave attenuator. The signal connection antenna links to each other with coaxial input. The signal output antenna links to each other with wireless attenuator. The combiner links to each other with carrier wave attenuator and wireless attenuator. The utility model discloses realize forming independent carrier channel and wireless channel between each node in the network, solved the dual -mode communication collection and copied the problem that carrier signal and wireless radiofrequency signal in the simulation network deployment are difficult to the separation. Simultaneously, simplify the structure of simulating the network deployment system, reduce cost.
Description
Technical field
The utility model relates to communication technical field, particularly a kind of bimodulus simulating network unit and multi-level bimodulus simulating network system.
Background technology
Along with the expansion of the large transformation of nationwide electrical network, how to solve day by day huge supply network automatic management problem extremely urgent.Utilizing low voltage electric power carrier communication technology to transmit electricity consumption data, realize timely and effective collection and statistics, improve electric power system to power supply quality monitoring capacity and managerial skills, is a preferred plan of generally acknowledging both at home and abroad at present.Low-voltage power line is the most a kind of medium of communication network, and adopt appropriate technology fully to make good use of this ready-made medium, the demand making Low Voltage Power Line Carrier Record System reach practical, the economic benefit produced and production efficiency are apparent.But because the complexity of low-voltage power web frame, circuit high frequency signal attenuation are serious, the particularly randomness of the various interference of electrical network and irregularities, add that the distributed capacitance of electric power networks, distributed inductance, load characteristic, load impedance value, noise etc. are all dynamic instead of constant, PLC technology has certain limitation.In recent years, along with the development of wireless communication technology, adopt wireless networking communications mode, its advantage is obviously, and communication network and power utilization environment have nothing to do, and network stabilization is reliable, and in network, single node breaks down and can not cause other node proper communication faults.The communication channel for subsequent use each other of power line carrier and wireless networking communications mode two different communication modes is adopted, fully in conjunction with carrier wave and wireless respective advantage in order to improve success rate of checking meter.Adopt dual mode communication to copy technology, improve success rate of checking meter day and reach 100%.
But, copy in analog communication process at dual mode communication collection, the carrier signal sent for the carrier wave wireless dual mode communication module in electric supply meter and radio frequency signal, the circuit designing a set of complexity is respectively needed carrier signal to be separated with radio frequency signal, and then form independently analog channel, its analog line complex structure, cost is high, safeguards inconvenient.
Utility model content
Main purpose of the present utility model is, for above-mentioned deficiency of the prior art, provides a kind of bimodulus simulating network unit and multi-level bimodulus simulating network system.
To achieve these goals, on the one hand, the bimodulus simulating network unit that the utility model provides, comprises electric supply meter, the comprehensive trap of bimodulus, signal access antenna, signal output antenna, carrier attenuation device, wireless attenuator and mixer;
Described electric supply meter has carrier wave wireless dual mode communication module; The comprehensive trap of described bimodulus has power input, coaxle input end, power output end and coaxial output line, and described power output end is connected with described electric supply meter, and described coaxial output line is connected with described carrier attenuation device;
The comprehensive trap of described bimodulus is used for export the described electric supply meter of supply after described power input incoming transport electrofiltration ripple, and carry out Signal separator for the first mixed signal comprising first carrier signal and the first radio frequency signal accessed by described coaxle input end, to isolate described first carrier signal and to export described carrier wave wireless dual mode communication module to by described power output end;
Described signal access antenna is connected with described coaxle input end, for receiving described first radio frequency signal, and described first radio frequency signal is sent to described carrier wave wireless dual mode communication module;
Second mixed signal that comprise second carrier signal and second radio frequency signal of the comprehensive trap of described bimodulus also for being accessed from described electric supply meter by described power output end carries out Signal separator, to isolate described second carrier signal and to export described carrier attenuation device to by described coaxial output line;
Described signal exports antenna and is connected with described wireless attenuator, for receiving described second radio frequency signal, and exports described second radio frequency signal to described wireless attenuator;
Described carrier attenuation device is used for decaying to described second carrier signal, and described wireless attenuator is used for decaying to described second radio frequency signal;
Described mixer is connected with wireless attenuator with described carrier attenuation device, exports for described second carrier signal after decay and the second radio frequency signal being merged.
Preferably, the first power splitter and the second power splitter is also comprised;
The input of described first power splitter is connected with described coaxial output line, and the second carrier signal for being exported by described coaxial output line is divided into the second carrier signal A and the second carrier signal B; Input and the described signal of described second power splitter export antenna and are connected, and the second radio frequency signal exported for described signal being exported antenna is divided into the second radio frequency signal A and the second radio frequency signal B;
Described carrier attenuation device comprises and being connected for the first carrier attenuator of decaying to described second carrier signal A with the first output of described first power splitter, and is connected with the second output of described first power splitter for the second carrier attenuation device of decaying to described second carrier signal B;
Described wireless attenuator comprises and being connected for the first wireless attenuator of decaying to described second radio frequency signal A with the first output of described second power splitter, and is connected with the second output of described second power splitter for the second wireless attenuator of decaying to described second radio frequency signal B;
Described mixer comprises and to be connected with described first carrier attenuator and the first wireless attenuator for the described second carrier signal A after decaying and the second radio frequency signal A is merged the first mixer exported, and is connected with described second carrier attenuation device and the second wireless attenuator for the described second carrier signal B after decaying and the second radio frequency signal B is merged the second mixer exported.
Preferably, also comprise shielded box, the comprehensive trap of described electric supply meter, bimodulus, signal access antenna, signal export antenna, carrier attenuation device, wireless attenuator and mixer and are arranged in described shielded box.
Preferably, the comprehensive trap of described bimodulus comprises the first filter-coupler unit, AC power filter unit and the second filter-coupler unit;
The input of described first filter-coupler unit is connected with described coaxle input end, in order to be separated from described first mixed signal by described first carrier signal;
One end of described AC power filter unit is described power input, and the other end is described power output end; Described power output end is connected with the output of described first carrier coupler, in order to described first carrier signal is inputed to described carrier wave wireless dual mode communication module, and receive second mixed signal comprising the second carrier signal and the second radio frequency signal of described electric supply meter transmission;
The input of described second filter-coupler unit is connected with described power output end, in order to described second carrier signal to be separated from described second mixed signal; The output of described second filter-coupler unit is connected with described coaxial output line, in order to by described coaxial output line by described second carrier signal to described carrier attenuation device.
Preferably, described first filter-coupler unit comprises:
First filtration module, described first filtration module is connected with described coaxle input end, in order to carry out a filtering to described first mixed signal;
First coupling transformer, described first coupling transformer is connected with described first filtration module, in order to be coupled to the first mixed signal described after a filtering;
Second filtration module, described second filtration module is connected with described first coupling transformer, in order to described first mixed signal after coupling is carried out secondary filtering, with the first radio frequency signal described in filtering, isolates described first carrier signal.
Preferably, described second filter-coupler unit comprises:
3rd filtration module, described 3rd filtration module is connected with described power output end, in order to carry out a filtering to described second mixed signal;
Second coupling transformer, described second coupling transformer is connected with described 3rd filtration module, in order to be coupled to the second mixed signal described after a filtering;
4th filtration module, described 4th filtration module is connected with described second coupling transformer, in order to described second mixed signal after coupling is carried out secondary filtering, with the second radio frequency signal described in filtering, isolate described second carrier signal, and export described second carrier signal to described coaxial output line.
Preferably, described AC power filter unit is EMI filter circuit.
On the other hand, the multi-level bimodulus simulating network system that the utility model provides, comprises multiple bimodulus simulating network unit as above, and between multiple described bimodulus simulating network unit, networking forms hierarchy simulation network;
The coaxle input end of each described bimodulus simulating network unit is connected respectively with the output of the first mixer in the described bimodulus simulating network unit of two in last layer level or the second mixer;
The output of the first mixer in each described bimodulus simulating network unit is connected with the coaxle input end of the described bimodulus simulating network unit of in next level, and the output of the second mixer in each described bimodulus simulating network unit is connected with the coaxle input end of bimodulus simulating network unit described in another in next level.
The bimodulus simulating network unit provided according to the utility model and multi-level bimodulus simulating network system, with on a node communication time, what a upper node sent comprise after first carrier signal can be separated by the comprehensive trap of bimodulus with the first mixed signal of the first radio frequency signal, is sent to the carrier wave wireless dual mode communication module in electric supply meter respectively.And when communicating with next node, electric supply meter after can being separated by the comprehensive trap of bimodulus with the second radio frequency signal by the second carrier signal that carrier wave wireless dual mode communication module sends respectively so that carrier attenuation device and wireless attenuator carry out analog attenuation, finally transfer to next node, so, realize forming independently carrier channel and wireless channel between each node in network, solve dual mode communication collection and copy the problem that carrier signal in simulating network and radio frequency signal be difficult to be separated.Meanwhile, the structure of simulating network system can be simplified, significantly reduce system cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment bimodulus simulating network unit;
Fig. 2 is the structural representation of another embodiment bimodulus simulating network unit of the utility model;
Fig. 3 is the block diagram of the comprehensive trap of bimodulus in the utility model embodiment bimodulus simulating network unit;
Fig. 4 is the circuit diagram of the comprehensive trap of bimodulus in the utility model embodiment bimodulus simulating network unit;
Fig. 5 is the planar structure schematic diagram of the utility model embodiment multi-level bimodulus simulating network system;
Fig. 6 is the winding diagram of the utility model embodiment multi-level bimodulus simulating network system.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
With reference to shown in Fig. 1, the utility model embodiment provides a kind of bimodulus simulating network unit 100, comprises electric supply meter 10, the comprehensive trap of bimodulus 20, signal access antenna 30, signal output antenna 31, carrier attenuation device 40, wireless attenuator 50 and mixer 60.
Specifically, electric supply meter 10 has carrier wave wireless dual mode communication module, also can the electric supply meter not having carrier wave wireless dual mode communication module that communicated by bimodulus collector of acute pyogenic infection of finger tip, and this electric supply meter carries out dual mode communication by bimodulus collector.That is, electric supply meter 10 possesses dual mode communication function, and electric power carrier communication technology and micropower wireless communication technology two kinds of communication modes can be utilized to communicate with concentrator or other electric supply meters.Wherein, the carrier frequency point centre frequency of carrier signal is preferably: 150KHz-500KHz, and the less radio-frequency centre frequency of radio frequency signal is preferably: 400MHz-800MHz.
The comprehensive trap 20 of bimodulus has power input C, coaxle input end D, power output end E and coaxial output line F, and power output end E is connected with electric supply meter 10, and coaxial output line F is connected with carrier attenuation device 40.
The comprehensive trap 20 of bimodulus is for exporting supply electric supply meter 10 after power input C incoming transport electrofiltration ripple, and carry out Signal separator for the first mixed signal comprising first carrier signal and the first radio frequency signal accessed by coaxle input end D, to isolate first carrier signal and to export carrier wave wireless dual mode communication module to by power output end E.
That is, the power input C of the comprehensive trap 20 of bimodulus is for being connected in outside AC power, can from incoming transport electricity AC power (such as 220V alternating current), filtering is carried out again by the alternating current of the comprehensive trap 20 of bimodulus to access, such as filtering high-frequency interferencing signal, and then form stable alternating current, for electric supply meter 10 is powered.And coaxle input end D is for a node (electric supply meter of concentrator or last layer level) upper in interconnection network, can receive the first mixed signal comprising first carrier signal and the first radio frequency signal that a node sends.The first mixed signal after access, utilizes the difference of first carrier signal and the first radio frequency signal frequency, can be separated by the comprehensive trap 20 of bimodulus to the first mixed signal.Concrete, the comprehensive trap of bimodulus 20 has larger inhibition to the first radio frequency signal, can this first radio frequency signal of filtering, first carrier signal then can export the carrier wave wireless dual mode communication module in electric supply meter 10 smoothly to from power output end E.
Signal access antenna 30 is connected with coaxle input end D, for receiving the first radio frequency signal, and the first radio frequency signal is sent to carrier wave wireless dual mode communication module.That is, to the first radio frequency signal in the first mixed signal, then can access antenna 30 by signal and access, and the carrier wave wireless dual mode communication module in electric supply meter 10 can be transferred to by this signal access antenna 30.
In brief, this electric supply meter 10 with on a node communication time, a upper node sends the first mixed signal to electric supply meter, this first mixed signal can be separated completely by the comprehensive trap 20 of bimodulus, the first carrier signal be separated inputs to the carrier wave wireless dual mode communication module of electric supply meter 10 by power output end, the first radio frequency signal after being separated then can access by signal the carrier wave wireless dual mode communication module that antenna 30 is sent to electric supply meter 10.
Second mixed signal that comprise second carrier signal and second radio frequency signal of the comprehensive trap 20 of bimodulus also for being accessed from electric supply meter 10 by power output end E carries out Signal separator, to isolate the second carrier signal and coaxial output line F exports carrier attenuation device 40 to.
That is, electric supply meter 10 can also send the second carrier signal by carrier wave wireless dual mode communication module, and the second radio frequency signal can be sent by carrier wave wireless dual mode communication module, the second carrier signal and the second radio frequency signal can be loaded on power output end E and form the second mixed signal.The comprehensive trap 20 of bimodulus is then separated the second mixed signal being carried in power output end E.Concrete, the comprehensive trap of bimodulus 20 has larger inhibition to the second radio frequency signal, can this second radio frequency signal of filtering, and the second carrier signal then can export carrier attenuation device 40 to from coaxial output line F smoothly.
Signal exports antenna 31 and is connected with wireless attenuator 50, for receiving the second radio frequency signal, and exports the second radio frequency signal to wireless attenuator 50.That is, for the second radio frequency signal in the second mixed signal, then can export antenna 31 by signal and receive, and be coupled to wireless attenuator 50.
Carrier attenuation device 40 is for decaying to the second carrier signal, and wireless attenuator 50 is for decaying to the second radio frequency signal.That is, carrier attenuation device 40 is analog carrier communication channels, and carrier signal is transmitted in this analog carrier communication channel, and carrier signal has a certain amount of decay.And wireless attenuator 50 is analog wireless communication channels, radio frequency signal is when this analog wireless communication channel, and radio frequency signal has a certain amount of decay.
Mixer 60 is connected with wireless attenuator 50 with carrier attenuation device 40, exports for the second carrier signal after decay and the second radio frequency signal being merged.That is, the second carrier signal after decay and the second radio frequency signal are merged into a road and are exported next node (electric supply meter of next level or bimodulus collector) to.
In brief, when this electric supply meter 10 communicates with next node, this electric supply meter 10 sends the second mixed signal to next node, second mixed signal accesses to the comprehensive trap 20 of bimodulus from power output end E, by the comprehensive trap 20 of bimodulus, the second mixed signal is separated, the second carrier signal after separation exports carrier attenuation device 40 to by coaxial output line F, the second radio frequency signal after being separated then exports antenna 31 by signal and is coupled to wireless attenuator 50, so, second carrier signal and the second radio frequency signal are respectively through after independently decay, a road is merged into by mixer 60, finally export next node to.
It should be noted that, this first carrier signal and the first radio frequency signal can be meter reading instruction or the electricity consumption data of a upper node forwarding.Corresponding, this second carrier signal and the second radio frequency signal also can be the meter reading instruction that forwards of electric supply meter 10 (present node) or electricity consumption data etc.So, between the node between each level, Independent Carrier Wave communication channel and radio communication channel can be formed, and then utilize dual mode communication mode to realize the reception of meter reading instruction and uploading of electricity consumption data.
According to the bimodulus simulating network unit 100 that the utility model embodiment provides, with on a node communication time, what a upper node sent comprise after first carrier signal can be separated by the comprehensive trap 20 of bimodulus with the first mixed signal of the first radio frequency signal, is sent to the carrier wave wireless dual mode communication module in electric supply meter 10 respectively.And when communicating with next node, electric supply meter 10 after can being separated by the comprehensive trap of bimodulus 20 with the second radio frequency signal by the second carrier signal that carrier wave wireless dual mode communication module sends respectively so that carrier attenuation device 40 and wireless attenuator 50 carry out analog attenuation, finally transfer to next node, so, realize forming independently carrier channel and wireless channel between each node in network, solve dual mode communication collection and copy the problem that carrier signal in simulating network and radio frequency signal be difficult to be separated.Meanwhile, the structure of simulating network system can be simplified, significantly reduce system cost.
In a preferred embodiment of the present utility model, also comprise the first power splitter 80 and the second power splitter 81.The input of the first power splitter 80 is connected with coaxial output line F, and the second carrier signal for being exported by coaxial output line F is divided into the second carrier signal A and the second carrier signal B.Input and the signal of the second power splitter 81 export antenna 31 and are connected, and the second radio frequency signal exported for signal being exported antenna 31 is divided into the second radio frequency signal A and the second radio frequency signal B.
That is, be divided into two-way carrier wave to export the second carrier signal by the first power splitter 80, it is the second carrier signal A that a road carrier wave exports, and it is the second carrier signal B that another road carrier wave exports.Corresponding, the second radio frequency signal is divided into two-way less radio-frequency to export by the second power splitter 81, and it is the second radio frequency signal A that a road less radio-frequency exports, and it is the second radio frequency signal B that another road less radio-frequency exports.
Corresponding, carrier attenuation device 50 comprises and being connected for the first carrier attenuator 40a decayed to the second carrier signal A with the first output of the first power splitter 80, and is connected with the second output of the first power splitter 80 for the second carrier attenuation device 40b decayed to the second carrier signal B.That is to say, the second carrier signal A and the second carrier signal B carries out independent decay respectively by a carrier attenuation device.
Wireless attenuator 50 comprises and being connected for the first wireless attenuator 50a decayed to the second radio frequency signal A with the first output of the second power splitter 81, and is connected with the second output of the second power splitter 81 for the second wireless attenuator 50b decayed to the second radio frequency signal B.That is to say, the second radio frequency signal A and the second radio frequency signal B carries out independent decay respectively by a wireless attenuator.
Mixer 60 comprises and to be connected with first carrier attenuator 40a and the first wireless attenuator 50a for the second carrier signal A after decaying and the second radio frequency signal A is merged the first mixer 60a exported, and is connected with the second carrier attenuation device 40b and the second wireless attenuator 50b for the second carrier signal B after decaying and the second radio frequency signal B is merged the second mixer 60b exported.That is to say, the second carrier signal A and the second radio frequency signal A merges into a road mixed signal by a mixer and exports, and the second carrier signal B and the second radio frequency signal B merges into another road mixed signal output by a mixer.
In other words, in the present embodiment, when this electric supply meter 10 communicates with next node, after second mixed signal is separated by the comprehensive trap 20 of bimodulus, the second carrier signal be separated is separated into two-way carrier wave by the first power splitter 80 and exports, two-way carrier wave export correspondence export to two independently carrier attenuation device (first carrier attenuator 40a and the second carrier attenuation device 40b) decay, second radio frequency signal is divided into two-way less radio-frequency to export by the second power splitter 81, two-way less radio-frequency export correspondence export to two independently wireless attenuator (the first wireless attenuator 50a and the second wireless attenuator 50b) decay, finally, the radio frequency signal that the carrier signal export two-way decay and two-way decay export is merged into two-way mixed signal in mode one to one and exports, by this, this bimodulus simulating network unit 100 can have two-way mixed signal and export, each road mixed signal exports and can be connected to a node, so, multi-level networking can be formed.
In an embodiment of utility model, also comprise shielded box 70, corresponding, the comprehensive trap of electric supply meter 10, bimodulus 20, signal access antenna 30, signal export antenna 31, carrier attenuation device 40, wireless attenuator 50 and mixer 60 and are arranged in shielded box 70.So, shielded box 70 can provide relatively pure dark room conditions, reduces the interference of outer signals, and then improves reliability and the accuracy of analog communication.
In embodiments more of the present utility model, the comprehensive trap 20 of bimodulus comprises the first filter-coupler unit 201, AC power filter unit 202 and the second filter-coupler unit 203.
The input of the first filter-coupler unit 201 is connected with coaxle input end D, in order to be separated from the first mixed signal by first carrier signal.That is, first filter-coupler unit 201 has coupling to the first carrier signal in the first mixed signal, and to the first radio frequency signal in the first mixed signal, there is wave arrestment effect, therefore, after first mixed signal enters the first filter-coupler unit 201, first carrier signal wherein can be separated from power line.
One end of AC power filter unit 202 is power input C, and the other end is power output end E; Power output end E is connected with the output of first carrier coupler 201, in order to first carrier signal is inputed to carrier wave wireless dual mode communication module, and receive second mixed signal comprising the second carrier signal and the second radio frequency signal of electric supply meter 10 transmission.
That is, on the one hand, power output end E is connected to electric supply meter 10, and forming stable alternating current after the alternating current for being accessed by power input C carries out filtering is that electric supply meter 10 is powered.On the other hand, power output end E is connected with the output of first carrier coupler 201, for by isolated for first carrier coupler 201 first carrier signal loading to power line, again by power line transmission to the carrier wave wireless dual mode communication module in electric supply meter, finally export electric supply meter 10 to by carrier wave mould communication module.Again on the one hand, the second mixed signal sent by carrier wave wireless dual mode communication module for electric supply meter 10 can be loaded on power line by power output end E, then has power line transmission to the comprehensive trap 20 of bimodulus.
The input of the second filter-coupler unit 203 is connected with power output end E, in order to the second carrier signal to be separated from the second mixed signal; The output of the second filter-coupler unit 203 is connected with coaxial output line F, in order to pass through coaxial output line F by the second carrier signal to carrier attenuation device 40.
That is, the second mixed signal sent for electric supply meter 10 can carry out the separation of carrier signal by the second filter-coupler unit 203, concrete, second filter-coupler unit 203 has coupling to the second carrier signal in the second mixed signal, and to the second radio frequency signal in the second mixed signal, there is wave arrestment effect, therefore, after the second mixed signal enters the second filter-coupler unit 203, the second carrier signal wherein can be separated from power line.
By this, in the present embodiment, adopt above-mentioned bimodulus comprehensive trap 20 structure, carrier signal can be separated completely with radio frequency signal, its separating effect is better.
More favorably, in an embodiment of the present utility model, the first filter-coupler unit 201 can comprise the first filtration module 2011, first coupling transformer 2012 and the second filtration module 2013.
First filtration module 2011 is connected with coaxle input end D, in order to carry out a filtering to the first mixed signal.First coupling transformer 2012 is connected with the first filtration module 2011, in order to be coupled to the first mixed signal after a filtering.Second filtration module 2013 is connected with the first coupling transformer 2012, in order to the first mixed signal after coupling is carried out secondary filtering, with filtering first radio frequency signal, isolates first carrier signal.
That is, first filtration module 2011 and the second filtration module 2013 have wave arrestment effect to the first radio frequency signal in the first mixed signal, the first mixed signal that coaxle input end D accesses, a filtering, the coupling of the first coupling transformer 2012 and the secondary filtering of the second filtration module 2013 is carried out by the first filtration module 2011, can the first radio frequency signal completely in filtering first mixed signal, the first carrier signal in the first mixed signal then can be coupled to the power output end E of AC power filter unit 202.First carrier signal can be separated with the first radio frequency signal by the first filter-coupler unit 201 completely that adopt in the present embodiment, guarantees the reliable and stable of carrier communication channel.
Corresponding, in an embodiment of the present utility model, the second filter-coupler unit 203 can comprise the 3rd filtration module 2031, second coupling transformer 2032 and the 4th filtration module 2033.
3rd filtration module 2031 is connected with power output end E, in order to carry out a filtering to the second mixed signal.Second coupling transformer 2032 is connected with the 3rd filtration module 2031, in order to be coupled to the second mixed signal after a filtering.4th filtration module 2033 is connected with the second coupling transformer 2032, in order to the second mixed signal after coupling is carried out secondary filtering, with filtering second radio frequency signal, isolates the second carrier signal, and exports the second carrier signal to coaxial output line F.
That is, the second radio frequency signal in the second mixed signal that 3rd filtration module 2031 and the 4th filtration module 2033 couples of power output end E export has wave arrestment effect, the second mixed signal that power output end E exports carries out a filtering, the coupling of the second coupling transformer 2032 and the secondary filtering of the 4th filtration module 2033 by the 3rd filtration module 2031, can the second radio frequency signal completely in filtering second mixed signal, the second carrier signal in the second mixed signal then can be coupled to coaxial output line F.Second carrier signal can be separated with the second radio frequency signal by the second filter-coupler unit 203 completely that adopt in the present embodiment, guarantees the reliable and stable of carrier communication channel.
In an embodiment of the present utility model, AC power filter unit 202 adopts EMI filter circuit.This EMI filter circuit can comprise the 5th filtration module 2021, common mode choke 2022 and the 6th filtration module 2023.
5th filtration module 2021 is connected with power input C, in order to carry out a filtering to input AC electricity.Common mode choke 2022 is connected with the 5th filtration module 2021, in order to the electromagnetic interference in filtering alternating current.6th filtration module 2023 is connected with common mode choke 2022, forms stable alternating current in order to carry out secondary filtering to alternating current.
That is, in the present embodiment, the alternating current that power input C accesses first carries out a filtering by the 5th filtration module 2021, suppressed by common mode choke 2022 pairs of electromagnetic interference again, carry out secondary filtering finally by the 6th filtration module 2023 finally to form stable alternating current and export from power output end, for electric supply meter is powered.
It should be noted that, first filter-coupler unit 201 and the second filter-coupler unit 203 are the power output end E being connected to AC power filter unit 20, the isolated first carrier signal coupling of first filter-coupler unit 201, to power output end E, directly exports electric supply meter 10 to from power output end E; And the second mixed signal that electric supply meter 10 sends directly is loaded on the second filter-coupler unit 203 by power output end E.That is, AC power filter unit 202 only as the use of power supply, and not as carrier signal transmission carrier.Therefore, being separated of carrier signal and power frequency component can be realized, avoid signal cross-talk.
With reference to shown in Fig. 4, the utility model embodiment still provides a kind of multi-level bimodulus simulating network system, comprises multiple bimodulus simulating network unit 100 as above-described embodiment, and between multiple bimodulus simulating network unit 100, networking forms hierarchy simulation network.
The coaxle input end D of each bimodulus simulating network unit 100 is connected respectively with the output of the first mixer in the bimodulus simulating network unit 100 of two in last layer level or the second mixer.
The output of the first mixer in each bimodulus simulating network unit 100 is connected with the coaxle input end D of the bimodulus simulating network unit 100 of in next level, and the output of the second mixer in each bimodulus simulating network unit 100 is connected with the coaxle input end D of another bimodulus simulating network unit 100 in next level.That is, each bimodulus simulating network unit 100 has the output of two-way mixed signal.One tunnel mixed signal exports the coaxle input end D being connected to a bimodulus simulating network unit 100 in next level, and another road mixed signal exports the coaxle input end D being connected to another bimodulus simulating network unit in next level.
So, in the present embodiment, be connected to form hierarchy simulation network between multiple bimodulus simulating network unit 100, each bimodulus simulating network unit 100 as a node in this hierarchy simulation network, and can form independently carrier channel and wireless channel between adjacent two nodes.
Multi-level bimodulus simulating network system is provided according to the utility model embodiment, what a upper node sent comprise after first carrier signal can be separated by the comprehensive trap 20 of bimodulus with the first mixed signal of the first radio frequency signal, be sent to the carrier wave wireless dual mode communication module in electric supply meter 10 respectively, and electric supply meter 10 after can being separated by the comprehensive trap of bimodulus 10 with the second radio frequency signal by the second carrier signal that carrier wave wireless dual mode communication module sends respectively so that carrier attenuation device 40 and wireless attenuator 50 carry out analog attenuation, so, realize between the node in network, forming independently carrier channel and wireless channel, solve dual mode communication collection and copy the problem that carrier signal in simulating network and radio frequency signal be difficult to be separated.Meanwhile, the structure of simulating network system can be simplified, significantly reduce system cost.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (8)
1. a bimodulus simulating network unit, is characterized in that, comprises electric supply meter, the comprehensive trap of bimodulus, signal access antenna, signal output antenna, carrier attenuation device, wireless attenuator and mixer;
Described electric supply meter has carrier wave wireless dual mode communication module; The comprehensive trap of described bimodulus has power input, coaxle input end, power output end and coaxial output line, and described power output end is connected with described electric supply meter, and described coaxial output line is connected with described carrier attenuation device;
The comprehensive trap of described bimodulus is used for export the described electric supply meter of supply after described power input incoming transport electrofiltration ripple, and carry out Signal separator for the first mixed signal comprising first carrier signal and the first radio frequency signal accessed by described coaxle input end, to isolate described first carrier signal and to export described carrier wave wireless dual mode communication module to by described power output end;
Described signal access antenna is connected with described coaxle input end, for receiving described first radio frequency signal, and described first radio frequency signal is sent to described carrier wave wireless dual mode communication module;
Second mixed signal that comprise second carrier signal and second radio frequency signal of the comprehensive trap of described bimodulus also for being accessed from described electric supply meter by described power output end carries out Signal separator, to isolate described second carrier signal and to export described carrier attenuation device to by described coaxial output line;
Described signal exports antenna and is connected with described wireless attenuator, for receiving described second radio frequency signal, and exports described second radio frequency signal to described wireless attenuator;
Described carrier attenuation device is used for decaying to described second carrier signal, and described wireless attenuator is used for decaying to described second radio frequency signal;
Described mixer is connected with wireless attenuator with described carrier attenuation device, exports for described second carrier signal after decay and the second radio frequency signal being merged.
2. bimodulus simulating network unit according to claim 1, is characterized in that, also comprises the first power splitter and the second power splitter;
The input of described first power splitter is connected with described coaxial output line, and the second carrier signal for being exported by described coaxial output line is divided into the second carrier signal A and the second carrier signal B; Input and the described signal of described second power splitter export antenna and are connected, and the second radio frequency signal exported for described signal being exported antenna is divided into the second radio frequency signal A and the second radio frequency signal B;
Described carrier attenuation device comprises and being connected for the first carrier attenuator of decaying to described second carrier signal A with the first output of described first power splitter, and is connected with the second output of described first power splitter for the second carrier attenuation device of decaying to described second carrier signal B;
Described wireless attenuator comprises and being connected for the first wireless attenuator of decaying to described second radio frequency signal A with the first output of described second power splitter, and is connected with the second output of described second power splitter for the second wireless attenuator of decaying to described second radio frequency signal B;
Described mixer comprises and to be connected with described first carrier attenuator and the first wireless attenuator for the described second carrier signal A after decaying and the second radio frequency signal A is merged the first mixer exported, and is connected with described second carrier attenuation device and the second wireless attenuator for the described second carrier signal B after decaying and the second radio frequency signal B is merged the second mixer exported.
3. bimodulus simulating network unit according to claim 1, it is characterized in that, also comprise shielded box, the comprehensive trap of described electric supply meter, bimodulus, signal access antenna, signal export antenna, carrier attenuation device, wireless attenuator and mixer and are arranged in described shielded box.
4. bimodulus simulating network unit according to claim 1, is characterized in that, the comprehensive trap of described bimodulus comprises the first filter-coupler unit, AC power filter unit and the second filter-coupler unit;
The input of described first filter-coupler unit is connected with described coaxle input end, in order to be separated from described first mixed signal by described first carrier signal;
One end of described AC power filter unit is described power input, and the other end is described power output end; Described power output end is connected with the output of described first carrier coupler, in order to described first carrier signal is inputed to described carrier wave wireless dual mode communication module, and receive second mixed signal comprising the second carrier signal and the second radio frequency signal of described electric supply meter transmission;
The input of described second filter-coupler unit is connected with described power output end, in order to described second carrier signal to be separated from described second mixed signal; The output of described second filter-coupler unit is connected with described coaxial output line, in order to by described coaxial output line by described second carrier signal to described carrier attenuation device.
5. bimodulus simulating network unit according to claim 4, is characterized in that, described first filter-coupler unit comprises:
First filtration module, described first filtration module is connected with described coaxle input end, in order to carry out a filtering to described first mixed signal;
First coupling transformer, described first coupling transformer is connected with described first filtration module, in order to be coupled to the first mixed signal described after a filtering;
Second filtration module, described second filtration module is connected with described first coupling transformer, in order to described first mixed signal after coupling is carried out secondary filtering, with the first radio frequency signal described in filtering, isolates described first carrier signal.
6. bimodulus simulating network unit according to claim 4, is characterized in that, described second filter-coupler unit comprises:
3rd filtration module, described 3rd filtration module is connected with described power output end, in order to carry out a filtering to described second mixed signal;
Second coupling transformer, described second coupling transformer is connected with described 3rd filtration module, in order to be coupled to the second mixed signal described after a filtering;
4th filtration module, described 4th filtration module is connected with described second coupling transformer, in order to described second mixed signal after coupling is carried out secondary filtering, with the second radio frequency signal described in filtering, isolate described second carrier signal, and export described second carrier signal to described coaxial output line.
7. bimodulus simulating network unit according to claim 4, is characterized in that, described AC power filter unit is EMI filter circuit.
8. a multi-level bimodulus simulating network system, is characterized in that, comprises multiple bimodulus simulating network unit according to any one of claim 1 to 7, and between multiple described bimodulus simulating network unit, networking forms hierarchy simulation network;
The coaxle input end of each described bimodulus simulating network unit is connected respectively with the output of the first mixer in the described bimodulus simulating network unit of two in last layer level or the second mixer;
The output of the first mixer in each described bimodulus simulating network unit is connected with the coaxle input end of the described bimodulus simulating network unit of in next level, and the output of the second mixer in each described bimodulus simulating network unit is connected with the coaxle input end of bimodulus simulating network unit described in another in next level.
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| CN201520573084.8U CN204859154U (en) | 2015-07-31 | 2015-07-31 | Bimodulus simulation network deployment unit and multi -level bimodulus simulation network deployment system |
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| CN201520573084.8U CN204859154U (en) | 2015-07-31 | 2015-07-31 | Bimodulus simulation network deployment unit and multi -level bimodulus simulation network deployment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411329A (en) * | 2015-07-31 | 2017-02-15 | 深圳友讯达科技股份有限公司 | Dual-mode analog networking unit and multi-level dual-mode analog networking system |
-
2015
- 2015-07-31 CN CN201520573084.8U patent/CN204859154U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411329A (en) * | 2015-07-31 | 2017-02-15 | 深圳友讯达科技股份有限公司 | Dual-mode analog networking unit and multi-level dual-mode analog networking system |
| CN106411329B (en) * | 2015-07-31 | 2019-02-22 | 深圳友讯达科技股份有限公司 | Bimodulus simulating network unit and multi-level bimodulus simulating network system |
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Granted publication date: 20151209 Effective date of abandoning: 20190222 |