CN103560820A - Communication device and communication system - Google Patents
Communication device and communication system Download PDFInfo
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- CN103560820A CN103560820A CN201310532863.9A CN201310532863A CN103560820A CN 103560820 A CN103560820 A CN 103560820A CN 201310532863 A CN201310532863 A CN 201310532863A CN 103560820 A CN103560820 A CN 103560820A
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Abstract
The invention discloses a communication device. First serial data sent by a first electronic device located in an area with poor GPRS signals is received and sent to a control module through a serial port communication module, the control module converts the first serial data into second serial data and then sends the second serial data to a wireless private network communication module, and the wireless private network communication module receives the second serial data sent by the control module, converts the second serial data into analog signals, and then sends the analog signals through a wireless private network communication channel. The communication device of the corresponding receiving terminal can receive data through the wireless private network communication channel and send the data to a second electronic device located in a range covered by the GPRS signals through the serial port communication module, data information of the first electronic device has access to a GPRS network through the second electronic device, and therefore data communication in the area with the poor GPRS signals is achieved. The invention further provides a communication system.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to a kind of communication equipment and communication system.
Background technology
In recent years, quick propelling and development along with intelligent grid, the scale of electrical network is increasing, also more and more higher to the requirement of automatic operating level, particularly power distribution automation, load management automation, electric power collection is copied automation and power dispatching automation etc. and is all had higher requirement.And in these automated systems, data communication is that its important technology supports, it is one of key realizing Automation of Electric Systems.
GPRS technology have networking simple, flexibly, the distinguishing feature such as access is convenient, running cost is low, at aspects such as the real-time of system, reliability, fail safes, can meet the application requirements of electrical production.In electrical production practical application, GPRS technology has been widely used in electrical power distribution automatization system, AMRS, load management system and dispatch automated system etc., produce larger mixed economy interests and good social benefit, obtained the generally approval of electric power system.
But, wide range due to electric power system and device distribution, some is located in an outlying district, as desert area, remote mountain area or basement of City Building etc., GPRS signal do not cover or signal a little less than, part acnode cannot be communicated by letter, as be arranged on the concentrator ,Tai district table of merit rating of basement, and the load management terminal that covers without GPRS signal of remote mountain areas, Source of Gateway Meter etc., the communication issue of these key equipments is difficult to solve, the production of electric power system and management are affected greatly, strengthened the costs such as human and material resources of electric power enterprise simultaneously.Therefore the data communication that, how to realize GPRS signal defective region becomes problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of communication equipment and communication system, to realize the data communication of GPRS signal defective region.
For achieving the above object, the invention provides following technical scheme:
, comprising:
Serial communication modular, the first serial data sending for receiving the first power equipment, and send described the first serial data receiving;
Control module, be connected with described serial communication modular, the first serial data sending for receiving described serial communication modular, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
Wireless private network communication module, be connected with described control module, the second serial data sending for receiving described control module, resolves described the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal.
Above-mentioned communication equipment, preferred, described serial communication modular comprises:
RS485 interface;
The overvoltage crowbar being connected with described RS485 interface;
RS485 transceiver, is connected with described overvoltage crowbar, for by reception or the transmission of described RS485 Interface realization RS485 serial data.
Above-mentioned communication equipment, preferred, described serial communication modular also comprises:
The impedance matching circuit being connected with described overvoltage crowbar with described RS485 transceiver respectively.
Above-mentioned communication equipment, preferred, described control module comprises:
The first receiving element, the first serial data sending for receiving described serial communication modular;
First receives buffer unit, the first serial data receiving for the first receiving element described in buffer memory;
The first operation processing unit, for described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
First sends buffer unit, for the second serial data that described in buffer memory, the first operation processing unit encapsulation obtains;
The first transmitting element, for sending the second serial data of described the first transmission buffer unit buffer memory.
Above-mentioned communication equipment, preferred, described wireless private network communication module comprises:
The second receiving element, the first Base Band Unit, radio frequency unit and control unit; Wherein,
Described the second receiving element, the second serial data sending for receiving described control module;
Described the first Base Band Unit, for described the second serial data is resolved, and the data that parsing is obtained are sent to radio frequency unit after being converted to analog signal, and send the first control signal to described control unit;
Described control unit, for regulating the working frequency range of described radio frequency unit, and when receiving the first control signal of described the first Base Band Unit transmission, is adjusted to transmission path by described radio frequency unit;
Described radio frequency unit, for sending the analog signal that described the first Base Band Unit is converted to by described transmission path.
Above-mentioned communication equipment, preferred, when described radio frequency unit receives analog signal by receiving path, described wireless private network communication module also comprises:
The second Base Band Unit and the second transmitting element; Wherein,
Described the second Base Band Unit, is connected with described radio frequency unit, the analog signal receiving by wireless private network communication channel for receiving described radio frequency unit, and described analog signal is converted to the second serial data;
Described the second transmitting element, the second serial data being converted to for sending described the second Base Band Unit.
Above-mentioned communication equipment, preferred, described control module also comprises:
The 3rd receiving element, the second serial data sending for receiving described the second transmitting element;
Second receives buffer unit, for the second serial data that described in buffer memory, the 3rd receiving element receives;
The second operation processing unit, for the described second the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data;
Second sends buffer unit, for the first serial data that described in buffer memory, the second operation processing unit encapsulation obtains;
The 3rd transmitting element, for sending the first serial data of described the second transmission buffer unit buffer memory.
Above-mentioned communication equipment, preferred, described wireless private network communication module also comprises:
Power adjustments unit, for sending the second control signal to described control unit, described the second control signal is used to indicate the size that described control unit regulates the power output of described radio frequency unit.
Above-mentioned communication equipment, preferred, described wireless private network communication module is 230MHz wireless private network communication module; Described control module works in half duplex mode of communication.
Above-mentioned communication equipment, preferred, also comprise:
Display module, is connected with described control module, for showing the reiving/transmitting state of described control module, and the communications band of described wireless private network communication module.
Above-mentioned communication equipment, preferred, also comprise:
Power module, for providing described communication device works required power supply.
, comprising:
The first communication equipment, and the second communication equipment being connected with described the first communication equipment; Wherein,
Described the first communication equipment comprises:
First serial communication module, the first serial data sending for receiving the first power equipment, and send described the first serial data receiving;
The first control module, be connected with described first serial communication module, the first serial data sending for receiving described first serial communication module, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
The first wireless private network communication module, be connected with described the first control module, the second serial data sending for receiving described the first control module, resolves described the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
Described second communication equipment comprises:
The second wireless private network communication module, the analog signal sending for receive described the first wireless private network communication module by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The second control module, be connected with described the second wireless private network communication module, the second serial data sending for receiving described the second wireless private network communication module, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and be the first serial data by the data encapsulation being resolved to, send described the first serial data;
Second serial communication module, the first serial data sending for receiving described the second control module, and described the first serial data is sent to the second power equipment.
Above-mentioned communication system, preferred, described the first control module comprises:
The first receiving element, the first serial data sending for receiving described first serial communication module;
First receives buffer unit, the first serial data receiving for the first receiving element described in buffer memory;
The first operation processing unit, for the described first the first serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
First sends buffer unit, for the second serial data that described in buffer memory, the first operation processing unit encapsulation obtains;
The first transmitting element, for sending the second serial data of described the first transmission buffer unit buffer memory;
Above-mentioned communication system, preferred, described the second control module comprises:
The second receiving element, the second serial data sending for receiving described the second wireless private network communication module;
Second receives buffer unit, the second serial data receiving for the second receiving element described in buffer memory;
The second operation processing unit, for the described second the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, resolves described the second serial data, and is the first serial data by the data encapsulation being resolved to;
Second sends buffer unit, for the first serial data that described in buffer memory, the second operation processing unit encapsulation obtains;
The second transmitting element, for sending the first serial data of described the second transmission buffer unit buffer memory;
, comprising:
Third communication equipment, and the 4th communication equipment being connected with described third communication equipment; Wherein,
Described third communication equipment comprises:
The 3rd serial communication modular, the first serial data sending for receiving the first power equipment, and send the first serial data receiving;
The 3rd control module, be connected with described the 3rd serial communication modular, the first serial data sending for receiving described the 3rd serial communication modular, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
The 3rd wireless private network communication module, be connected with described the 3rd control module, the second serial data sending for receiving described the 3rd control module, resolves the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
Described the 4th communication equipment comprises:
The 4th wireless private network communication module, the analog signal sending for receive described the 3rd wireless private network communication module by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The 4th control module, be connected with described the 4th wireless private network communication module, the second serial data sending for receiving the logical communication module of described the 4th wireless private network, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data, sends described the first serial data;
GPRS communication module, the first serial data sending for receiving described the 4th control module, resolves described the first serial data, and the data encapsulation that parsing is obtained is GPRS signal, sends described GPRS signal.
Known by above scheme, a kind of communication equipment provided by the invention, pass through serial communication modular, receive the first serial data that the first power equipment sends, and send to control module, control module works in half duplex mode of communication, after being converted to the second serial data, the first serial data is sent to wireless private network communication module, wireless private network communication module receives the second serial data that described control module sends, and sends after the second serial data is converted to analog signal by wireless private network communication channel.That is to say, a kind of communication equipment that the embodiment of the present invention provides, by serial ports, receive the data message of the first power equipment, and the data message of the first power equipment receiving is converted to wireless private network signal sends, after the data message of the first power equipment is sent by wireless private network communication channel, the communication equipment of corresponding receiving terminal can carry out data message reception by wireless private network communication channel, by serial communication modular, data message is sent to the second power equipment in the normal coverage of GPRS signal again, by the second power equipment, the data message of the first power equipment in the bad coverage of GPRS signal is accessed to wireless public network GPRS communication network, realized the data communication of GPRS signal defective region.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of communication equipment that Fig. 1 provides for the embodiment of the present invention;
A kind of result schematic diagram of the control module that Fig. 2 provides for the embodiment of the present invention;
A kind of structural representation of the serial communication modular that Fig. 3 provides for the embodiment of the present invention;
The another kind of structural representation of the serial communication modular that Fig. 4 provides for the embodiment of the present invention;
A kind of circuit diagram of the serial communication modular that Fig. 5 provides for the embodiment of the present invention;
A kind of structural representation of the wireless private network communication module that Fig. 6 provides for the embodiment of the present invention;
The another kind of structural representation of the wireless private network communication module that Fig. 7 provides for the embodiment of the present invention;
The another kind of structural representation of the control module that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the another kind of communication equipment that Fig. 9 provides for the embodiment of the present invention;
The structural representation of a kind of communication system that Figure 10 a provides for the embodiment of the present invention;
The structural representation of the first communication equipment shown in Figure 10 a that Figure 10 b provides for the embodiment of the present invention;
The structural representation of the second communication equipment shown in Figure 10 a that Figure 10 c provides for the embodiment of the present invention;
The structural representation of the another kind of communication system that Figure 11 a provides for the embodiment of the present invention;
The structural representation of the third communication equipment shown in Figure 11 a that Figure 11 b provides for the embodiment of the present invention;
The structural representation of the 4th communication equipment shown in Figure 11 a that Figure 11 c provides for the embodiment of the present invention.
Term " first " in specification and claims and above-mentioned accompanying drawing, " second ", " the 3rd " " 4th " etc. (if existence) are for distinguishing similar part, and needn't be for describing specific order or precedence.The data that should be appreciated that such use suitably can exchanged in situation, so that embodiments of the invention described herein can be with the order enforcement except here illustrated.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the structural representation of a kind of communication equipment that Fig. 1 provides for the embodiment of the present invention, comprising:
Serial communication modular 101, control module 102 and wireless private network communication module 103; Wherein,
The first serial data that serial communication modular 101 sends for receiving the first power equipment, and send to described control module 102 the first serial data receiving, that is to say, the communication equipment that the first power equipment provides with the embodiment of the present invention by serial ports is connected, concrete, the first power equipment is to be connected with the serial communication modular 101 in communication equipment.
Described the first power equipment refers to the power equipment in the bad coverage of GPRS signal.
In the embodiment of the present invention, serial communication modular 101 can be RS485 serial communication modular.
Between serial communication modular 101 and control module 102, can pass through universal asynchronous receiving-transmitting transmitter (Universal Asynchronous Receiver/Transmitter, UART) and carry out transfer of data.
A kind of structural representation of described control module 102 as shown in Figure 2, can comprise:
The first receiving element 1021, the first serial data sending for receiving described serial communication modular 101;
First receives buffer unit 1022, for the first serial data that described in buffer memory, the first receiving element 1021 receives; The first receiving element 1021 receives after the data message of serial communication modular 101 transmissions, by data message buffer memory to the first reception buffer unit 1022.
The first operation processing unit 1023, for the described first the first serial data that receives buffer unit 1022 buffer memorys is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
In order to guarantee the correctness of transfer of data, the first serial data that the first power equipment sends generally can include check code, therefore, the first operation processing unit 1023 is before resolving the first serial data, described the first serial data is carried out to verification, is correct with the first serial data that guarantees to receive, during verification succeeds, when definite data that receive are correct, just the first serial data is resolved.
In the embodiment of the present invention, described the first serial data is different with the encapsulation format of described the second serial data.
First sends buffer unit 1024, for the second packaged serial data of the first operation processing unit 1023 described in buffer memory.
The first transmitting element 1025, for sending the second serial data of 1024 buffer memorys of described the first transmission buffer unit; That is to say, the first transmitting element 1025 sends the second serial data of described the first transmission buffer unit 1024 buffer memorys by serial ports, between control module 102 and wireless private network communication module 103, also adopt serial ports to communicate.
Wireless private network communication module 103 is connected with described control module 102, the second serial data sending for receiving described control module 102, described the second serial data is resolved, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal.
Described wireless private network communication module 103 can be 230MHz wireless private network communication module, and wireless private network communication module is by 230MHz wireless private network communication channel transmitted signal; Also can be other wireless private network communication module, as 433MHz wireless private network communication module, or 475MHz wireless private network communication module, the present invention is not specifically limited.
Because 230MHz wireless private network is half duplex mode of communication, in order to prevent the cache overflow of wireless private network communication module, in the embodiment of the present invention, control module can adopt half-duplex mode of operation to carry out flow control.
A kind of communication equipment provided by the invention, by serial communication modular, receive the first serial data that the first power equipment sends, and send to control module, control module is sent to wireless private network communication module after the first serial data is converted to the second serial data, wireless private network communication module receives the second serial data that described control module sends, and sends after the second serial data is converted to analog signal by wireless private network communication channel.That is to say, a kind of communication equipment that the embodiment of the present invention provides, by serial ports, receive the data message of the first power equipment, and the data message of the first power equipment receiving is converted to wireless private network signal sends, after the data message of the first power equipment is sent by wireless private network communication channel, the communication equipment of corresponding receiving terminal can carry out data message reception by wireless private network communication channel, by serial communication modular, data message is sent to the second power equipment in the normal coverage of GPRS signal again, by the second power equipment, the data message of the first power equipment in the bad coverage of GPRS signal is accessed to wireless public network GPRS communication network, realized the data communication of GPRS signal defective region.
As shown in Figure 3, serial communication modular can comprise a kind of structural representation of serial communication modular shown in Fig. 1 that the embodiment of the present invention provides:
RS485 transceiver is by transmission or the reception of described RS485 Interface realization RS485 serial data information, and in the embodiment of the present invention, RS485 transceiver is connected with control module 102, realizes the communication connection between serial communication modular 101 and control module 102.
Preferably, in order to realize the maximum transmitted of power, the another kind of structural representation of the serial communication modular that the embodiment of the present invention provides as shown in Figure 4, also comprises:
The impedance matching circuit 401 being connected with described overvoltage crowbar 302 with described RS485 transceiver 303 respectively;
Concrete, the circuit diagram of a kind of serial communication modular that the embodiment of the present invention provides as shown in Figure 5:
U11 is RS485 transceiver, selects the enhancement mode RS485 transceiver of band isolation, i.e. ADM2483 type RS485 transceiver;
Resistance R 22, R23, R29 form impedance matching circuit, and wherein, the resistance of R22 is 10 kilohms, and the resistance of R23 is 120 ohm, and the resistance of R29 is 10 kilohms.
Transient Voltage Suppressor TVS2 and thermistor F2 and thermistor F3 form overvoltage crowbar.
U10A, U10B and U10C are as schmidt trigger inverter, and wherein, U10A, U10B have formed the shaping circuit of the output signal of RS485 transceiver; U10C is the shaping circuit of the reception signal of RS485 transceiver.
DC voltage changer U9 is for providing RS485 transceiver required voltage;
JP8 is RS485 interface.
A kind of structural representation of wireless private network communication module shown in Fig. 1 that the embodiment of the present invention provides as shown in Figure 6, can comprise:
The second receiving element 601, the first Base Band Unit 602, control unit 603, and radio frequency unit 604; Wherein,
The second serial data that the second receiving element 601 sends for receiving described control module 102;
The first Base Band Unit 602 is resolved for the second serial data that described the second receiving element 601 is received, and the data that parsing is obtained are sent to radio frequency unit 604 after being converted to analog signal, and sends the first control signals to described control unit 603;
Concrete, the transmission path of described radio frequency unit 604 is adapted at sending after signal that wireless private network communication channel transmits for the analog signal receiving is modulated into.
In the embodiment of the present invention, described radio frequency unit 604 can be half-duplex mode of operation, be that radio frequency unit 604 does not receive signal when transmitted signal, transmitted signal not when receiving signal, that is to say, at synchronization, in the receiving path and transmission path of radio frequency unit 604, only have a path in running order.Concrete, can when needs transmitted signal, then be adjusted to transmission path preferentially in accepting state, switch to transmission state.
In order to improve the antijamming capability of wireless private network communication module, reduced transmitting-receiving change-over time, reliability and the high efficiency of data message communication have been improved, in the embodiment of the present invention, the transmission path of described radio frequency unit 604 and receiving path are being carried out signal modulation or are being separated timing, can use independently voltage controlled oscillator, transmission path and receiving path are used a voltage controlled oscillator separately.
On basis embodiment illustrated in fig. 6, the another kind of structural representation of the wireless private network communication module that the embodiment of the present invention provides as shown in Figure 7, can also comprise:
The second Base Band Unit 701 and the second transmitting element 702; Wherein,
The second Base Band Unit 701 is connected with described radio frequency unit 604, the analog signal receiving by wireless private network communication channel for receiving described radio frequency unit 604, and described analog signal is converted to the second serial data;
The second serial data that the second transmitting element 702 is converted to for sending described the second Base Band Unit 701.
Above-described embodiment, preferred, described wireless private network communication module can also comprise:
Power adjustments unit, for sending the second control signal to described control unit, described the second control signal is used to indicate the power output volume size that described control unit regulates described radio frequency unit, so that the power output of described radio frequency unit is controlled within the scope of 1-3 watt.Concrete, described power adjustments unit can regulate the power of described radio frequency unit by serial port command.
The another kind of structural representation of the control module that the embodiment of the present invention provides as shown in Figure 8, can also comprise:
The 3rd receiving element 801, the second receives buffer unit 802, the second operation processing unit 803, the second and sends buffer unit 804 and the 3rd transmitting element 805; Wherein,
The second serial data that the 3rd receiving element 801 sends for receiving described the second transmitting element 702;
Second receives buffer unit 802 for the second serial data that described in buffer memory, the 3rd receiving element 801 receives;
The second operation processing unit 803 is for the described second the second serial data that receives buffer unit 802 buffer memorys is carried out to data check, and when verification succeeds, described the second serial data resolved, and the data encapsulation that parsing is obtained is the first serial data;
Second sends buffer unit 804 encapsulates for the second operation processing unit 803 described in buffer memory the first serial data obtaining.
The 3rd transmitting element 805 is for sending the first serial data of described the second transmission buffer unit 804 buffer memorys.
Wherein, the function of the first receiving element 1021 and the 3rd receiving element 801 can be realized by a functional module; The first function that receives buffer unit 1022 and the second reception buffer unit 802 can be realized by a functional module; The function of the first operation processing unit 1023 and the second operation processing unit 803 can be realized by a functional module; The first function that sends buffer unit 1024 and the second transmission buffer unit 804 can be realized by a functional module; The function of the first transmitting element 1025 and the 3rd transmitting element 805 can be realized by a functional module.
The structural representation of the another kind of communication equipment that the embodiment of the present invention provides as shown in Figure 9, can also comprise:
Because wireless private network communication channel exists a plurality of communications bands, in the embodiment of the present invention, described control module 102 can also be controlled the communications band of described wireless private network communication module 103, specifically how to control the common practise that belongs to this area, repeats no more here.
Can also comprise:
In prior art, some power equipment, as collector, concentrator or IAD etc., although can access wireless public network GPRS communication network, but because basement in the bad overlay area of GPRS signal, therefore, actually can not access wireless public network GPRS communication network, therefore, the data message of these power equipment collections can not send.Based on this, the embodiment of the present invention also provides a kind of communication system, and described communication system comprises communication equipment as above.
The structural representation of a kind of communication system that the embodiment of the present application provides, as shown in Figure 10 a, can comprise:
The first communication equipment 1001 and second communication equipment 1002; Wherein,
The structural representation of the first communication equipment 1001, as shown in Figure 10 b, can comprise:
First serial communication module 10011, the first serial data sending for receiving the first power equipment, and send the first serial data receiving;
The first control module 10012, be connected with described first serial communication module 10011, for described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, send described the second serial data;
The first wireless private network communication module 10013, be connected with described the first control module 10012, the second serial data sending for receiving described the first control module 10012, described the second serial data is resolved, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
The structural representation of second communication equipment 1002, as shown in Figure 10 c, can comprise:
The second wireless private network communication module 10021, the analog signal sending for receive described the first private network communication module 10013 by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The second control module 10022, be connected with described the second wireless private network communication module 10021, the second serial data sending for receiving described the second wireless private network communication module 10021, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data, sends described the first serial data;
Second serial communication module 10023, the first serial data sending for receiving described the second control module 10022, and described the first serial data is sent to the second power equipment.
Preferably, described the first control module 10012 can comprise:
The first receiving element, the first serial data sending for receiving described first serial communication module 10011;
First receives buffer unit, the first serial data receiving for the first receiving element described in buffer memory;
The first operation processing unit, for the described first the first serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
First sends buffer unit, for the second serial data that described in buffer memory, the first operation processing unit encapsulation obtains;
The first transmitting element, for sending the second serial data of described the first transmission buffer unit buffer memory.
Described the second control module 10022 can comprise:
The second receiving element, the second serial data sending for receiving described the second wireless private network communication module 10021;
Second receives buffer unit, the second serial data receiving for the second receiving element described in buffer memory;
The second operation processing unit, for the described second the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data;
Second sends buffer unit, for the first serial data that described in buffer memory, the second operation processing unit encapsulation obtains;
The second transmitting element, for sending the first serial data of described the second transmission buffer unit buffer memory
In the embodiment of the present invention, the first power equipment in the bad overlay area of GPRS signal is accessed by string line in the first communication equipment that the embodiment of the present invention provides, after rs 232 serial interface signal being converted to wireless private network signal by the first communication equipment, by wireless private network communication channel, be sent to second communication equipment, by second communication equipment, by wireless private network, believe receiving data information and process, by serial port module, data message is sent to again to the second power equipment of GPRS signal normal coverage area, by the second power equipment access wireless public network GPRS network, realize the data communication of the first power equipment.That is, the second power equipment is moved to GPRS signal normal coverage area from GPRS signal defective region, and two communication equipments that provide by the embodiment of the present invention are realized communicating by letter of the first power equipment and the second power equipment.Wherein, described the first communication equipment and second communication equipment can be placed in basement, that is to say, the communication system that the embodiment of the present invention provides, the data communication that the communication equipment that only two embodiment of the present invention of needs provide and shorter string line can be realized the first power equipment in GPRS signal coverage areas, reduce the wiring amount of string line, when having reduced the communications cost between the first power equipment and the second power equipment, realizing the transmission of the data of signal defective region.
The structural representation of the another kind of communication system that the embodiment of the present invention provides, as shown in Figure 11 a, can comprise:
The structural representation of described third communication equipment 1101, as shown in Figure 11 b, can comprise:
The 3rd serial communication modular 11011, the first serial data sending for receiving the first power equipment, and send the first serial data receiving;
The 3rd control module 11012, be connected with described the 3rd serial communication modular 11011, the first serial data sending for receiving described the 3rd serial communication modular 11011, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
The 3rd wireless private network communication module 11013, be connected with described the 3rd control module 11012, the second serial data sending for receiving described the 3rd control module 11012, described the second serial data is resolved, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
The structural representation of described the 4th communication equipment 1102, as shown in Figure 11 c, can comprise:
The 4th wireless private network communication module 11021, the analog signal sending for receive described the 3rd private network communication module 11013 by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The 4th control module 11022, be connected with described the 4th wireless private network communication module 11021, the second serial data sending for receiving described the 4th wireless private network communication module 11021, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data, sends described the first serial data;
Preferably, described the 3rd control module 11012 can comprise:
The 3rd receiving element, the first serial data sending for receiving described the 3rd serial communication modular 11011;
The 3rd receives buffer unit, for the first serial data that described in buffer memory, the 3rd receiving element receives;
The 3rd operation processing unit, for the described the 3rd the first serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
The 3rd sends buffer unit, for the second serial data that described in buffer memory, the 3rd operation processing unit encapsulation obtains;
The 3rd transmitting element, for sending the second serial data of described the 3rd transmission buffer unit buffer memory.
Preferably, described the 4th control module 11022 can comprise:
The 4th receiving element, the second serial data sending for receiving described the 4th wireless private network communication module 11021;
The 4th receives buffer unit, for the second serial data that described in buffer memory, the 4th receiving element receives;
The 4th operation processing unit, for the described the 4th the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the second serial data memory is resolved, and the data encapsulation that parsing is obtained is the first serial data;
The 4th sends buffer unit, for the first serial data that described in buffer memory, the 4th operation processing unit encapsulation obtains;
The 4th transmitting element, for sending the first serial data of described the 4th transmission buffer unit buffer memory
Preferably, the spatial cache of the 4th transmitting element is at least 20K byte.
In the embodiment of the present invention, between described GPRS communication module 11023 and described the 4th control module 11022, also by serial ports, communicate.
The communication system that the embodiment of the present invention provides, the 4th communication equipment 1002 is arranged on the region that GPRS signal covers, the data message of the first power equipment sends to third communication equipment by string line, the serial data that third communication equipment sends the first power equipment is converted to the 4th communication equipment that wireless private network signal sends to GPRS signal coverage areas, by the 4th communication equipment, directly by the first power equipment access wireless public network GPRS communication network, realize the data communication of the first power equipment of the bad overlay area of GPRS signal.
Figure 10 a illustrated embodiment can be applied to power equipment and be positioned at GPRS signal and cover bad remote districts, as regions such as desert, mountain areas.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (15)
1. a communication equipment, is characterized in that, comprising:
Serial communication modular, the first serial data sending for receiving the first power equipment, and send described the first serial data receiving;
Control module, be connected with described serial communication modular, the first serial data sending for receiving described serial communication modular, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
Wireless private network communication module, be connected with described control module, the second serial data sending for receiving described control module, resolves described the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal.
2. communication equipment according to claim 1, is characterized in that, described serial communication modular comprises:
RS485 interface;
The overvoltage crowbar being connected with described RS485 interface;
RS485 transceiver, is connected with described overvoltage crowbar, for by reception or the transmission of described RS485 Interface realization RS485 serial data.
3. communication equipment according to claim 2, is characterized in that, described serial communication modular also comprises:
The impedance matching circuit being connected with described overvoltage crowbar with described RS485 transceiver respectively.
4. communication equipment according to claim 1, is characterized in that, described control module comprises:
The first receiving element, the first serial data sending for receiving described serial communication modular;
First receives buffer unit, the first serial data receiving for the first receiving element described in buffer memory;
The first operation processing unit, for described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
First sends buffer unit, for the second serial data that described in buffer memory, the first operation processing unit encapsulation obtains;
The first transmitting element, for sending the second serial data of described the first transmission buffer unit buffer memory.
5. communication equipment according to claim 4, is characterized in that, described wireless private network communication module comprises:
The second receiving element, the first Base Band Unit, radio frequency unit and control unit; Wherein,
Described the second receiving element, the second serial data sending for receiving described control module;
Described the first Base Band Unit, for described the second serial data is resolved, and the data that parsing is obtained are sent to radio frequency unit after being converted to analog signal, and send the first control signal to described control unit;
Described control unit, for regulating the working frequency range of described radio frequency unit, and when receiving the first control signal of described the first Base Band Unit transmission, is adjusted to transmission path by described radio frequency unit;
Described radio frequency unit, for sending the analog signal that described the first Base Band Unit is converted to by described transmission path.
6. communication equipment according to claim 5, is characterized in that, when described radio frequency unit receives analog signal by receiving path, described wireless private network communication module also comprises:
The second Base Band Unit and the second transmitting element; Wherein,
Described the second Base Band Unit, is connected with described radio frequency unit, the analog signal receiving by wireless private network communication channel for receiving described radio frequency unit, and described analog signal is converted to the second serial data;
Described the second transmitting element, the second serial data being converted to for sending described the second Base Band Unit.
7. communication equipment according to claim 6, is characterized in that, described control module also comprises:
The 3rd receiving element, the second serial data sending for receiving described the second transmitting element;
Second receives buffer unit, for the second serial data that described in buffer memory, the 3rd receiving element receives;
The second operation processing unit, for the described second the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data;
Second sends buffer unit, for the first serial data that described in buffer memory, the second operation processing unit encapsulation obtains;
The 3rd transmitting element, for sending the first serial data of described the second transmission buffer unit buffer memory.
8. communication equipment according to claim 5, is characterized in that, described wireless private network communication module also comprises:
Power adjustments unit, for sending the second control signal to described control unit, described the second control signal is used to indicate the size that described control unit regulates the power output of described radio frequency unit.
9. according to right, want the communication equipment described in 1-3,5,6,8 any one, it is characterized in that, described wireless private network communication module is 230MHz wireless private network communication module; Described control module works in half duplex mode of communication.
10. communication equipment according to claim 9, is characterized in that, also comprises:
Display module, is connected with described control module, for showing the reiving/transmitting state of described control module, and the communications band of described wireless private network communication module.
11. communication equipments according to claim 10, is characterized in that, also comprise:
Power module, for providing described communication device works required power supply.
12. 1 kinds of communication systems, is characterized in that, comprising:
The first communication equipment, and the second communication equipment being connected with described the first communication equipment; Wherein,
Described the first communication equipment comprises:
First serial communication module, the first serial data sending for receiving the first power equipment, and send described the first serial data receiving;
The first control module, be connected with described first serial communication module, the first serial data sending for receiving described first serial communication module, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
The first wireless private network communication module, be connected with described the first control module, the second serial data sending for receiving described the first control module, resolves described the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
Described second communication equipment comprises:
The second wireless private network communication module, the analog signal sending for receive described the first wireless private network communication module by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The second control module, be connected with described the second wireless private network communication module, the second serial data sending for receiving described the second wireless private network communication module, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and be the first serial data by the data encapsulation being resolved to, send described the first serial data;
Second serial communication module, the first serial data sending for receiving described the second control module, and described the first serial data is sent to the second power equipment.
13. communication systems according to claim 12, is characterized in that, described the first control module comprises:
The first receiving element, the first serial data sending for receiving described first serial communication module;
First receives buffer unit, the first serial data receiving for the first receiving element described in buffer memory;
The first operation processing unit, for the described first the first serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data;
First sends buffer unit, for the second serial data that described in buffer memory, the first operation processing unit encapsulation obtains;
The first transmitting element, for sending the second serial data of described the first transmission buffer unit buffer memory.
14. communication systems according to claim 12, is characterized in that, described the second control module comprises:
The second receiving element, the second serial data sending for receiving described the second wireless private network communication module;
Second receives buffer unit, the second serial data receiving for the second receiving element described in buffer memory;
The second operation processing unit, for the described second the second serial data that receives buffer unit buffer memory is carried out to data check, and when verification succeeds, resolves described the second serial data, and is the first serial data by the data encapsulation being resolved to;
Second sends buffer unit, for the first serial data that described in buffer memory, the second operation processing unit encapsulation obtains;
The second transmitting element, for sending the first serial data of described the second transmission buffer unit buffer memory.
15. 1 kinds of communication systems, is characterized in that, comprising:
Third communication equipment, and the 4th communication equipment being connected with described third communication equipment; Wherein,
Described third communication equipment comprises:
The 3rd serial communication modular, the first serial data sending for receiving the first power equipment, and send the first serial data receiving;
The 3rd control module, be connected with described the 3rd serial communication modular, the first serial data sending for receiving described the 3rd serial communication modular, described the first serial data is carried out to data check, and when verification succeeds, described the first serial data is resolved, and the data encapsulation that parsing is obtained is the second serial data, sends described the second serial data;
The 3rd wireless private network communication module, be connected with described the 3rd control module, the second serial data sending for receiving described the 3rd control module, resolves the second serial data, and the data that parsing is obtained send by wireless private network communication channel after being converted to analog signal;
Described the 4th communication equipment comprises:
The 4th wireless private network communication module, the analog signal sending for receive described the 3rd wireless private network communication module by described wireless private network communication channel, described analog signal is converted to after digital signal, is encapsulated as the second serial data, send described the second serial data;
The 4th control module, be connected with described the 4th wireless private network communication module, the second serial data sending for receiving the logical communication module of described the 4th wireless private network, described the second serial data is carried out to data check, and when verification succeeds, described the second serial data is resolved, and the data encapsulation that parsing is obtained is the first serial data, sends described the first serial data;
GPRS communication module, the first serial data sending for receiving described the 4th control module, resolves described the first serial data, and the data encapsulation that parsing is obtained is GPRS signal, sends described GPRS signal.
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