CN102075011B - Electricity concentrator with restoration function - Google Patents

Electricity concentrator with restoration function Download PDF

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Publication number
CN102075011B
CN102075011B CN 200910226428 CN200910226428A CN102075011B CN 102075011 B CN102075011 B CN 102075011B CN 200910226428 CN200910226428 CN 200910226428 CN 200910226428 A CN200910226428 A CN 200910226428A CN 102075011 B CN102075011 B CN 102075011B
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equipment
primary processor
warm start
circuit
time
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CN102075011A (en
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刘晋梅
李勇权
郝松
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Chengdu Great Wall Development Technology Co ltd
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Shenzhen Kaifa Technology Co Ltd
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Abstract

The invention discloses an electricity concentrator with restoration function. The electricity concentrator comprises a power supply and a circuit system. The circuit system comprises a main processor and slave equipment connected with the main processor, wherein the main processor is serially connected with a controlled switch so as to obtain a working power supply from the power supply; the slave equipment is provided with a processor; the slave equipment is in communication connection with the main processor; a state circuit used for providing the working state thereof for the opposite side and a warm start circuit used for controlling the restart of a software system run on the opposite processor are arranged between the main processor and the slave equipment; one of the main processor and the slave equipment monitors a state signal provided by the other one of the main processor and the slave equipment through the state circuit and controls the other one of the main processor and the slave equipment to perform warm start through the warm start circuit according to a set policy; and the slave equipment is provided with a cold start circuit used for controlling the connection and the disconnection of the controlled switch serially connected with the main processor to restart the main processor. The maintenance cost can be greatly reduced and the hidden danger of the maintenance operation of workers on site can be reduced.

Description

Power concentrator with self-recovering function
Technical field
The present invention relates to a kind of communication equipment, relate in particular to the communication equipment of electric power system.
Background technology
Include concentrator in the communication equipment of electric power system, normally be arranged between ammeter or ammeter terminal and the electric power main website, be mainly used to uploading, assigning of the information that realizes.The composition of existing concentrator, such as the disclosed a kind of spread spectrum signal carrier data collector of Chinese patent CN03228204.4, it comprises the extension frequency carrier circuit, the extension frequency carrier circuit is comprised of single-chip microcomputer, serial data memory, extension frequency carrier integrated circuit, power amplifier, coupler, triode, the extension frequency carrier circuit is connected with the output of serial ports conversion chip, the input of serial ports conversion chip is connected with the output of computer PC 104, and the input of computer PC 104 connects telephone wire.Utilize the transmission means of telephone network and extension frequency carrier to carry out data transfer, and adopt three groups of separate carrier modules to carry out the coupling of signal, with the centralized control to electric network data.
The composition and working principle of existing concentrator, as shown in Figure 1, the Circuits System 2a that generally includes power supply 1a and worked by this power supply 1a power supply, power supply 1a is responsible for converting external civil power to Circuits System 2a work required power supply; The composition of Circuits System 2a comprises again usually: primary processor 21a, downgoing communication unit 22a and GPRS communication unit 23a.Wherein, primary processor 21a is the core of whole concentrator, and it mainly is to process and carry out daily data reading system, Storage and Processing according to the received signal of uplink and downlink; Downgoing communication unit 22a mainly is the communication of being responsible between concentrator and ammeter or the ammeter terminal, can select power carrier communication pattern or RS485 communication mode, the relation of itself and primary processor 21a be from the relation of leading; GPRS communication unit 23a consists of the uplink communication passage, in order to finishing communicating by letter between concentrator and the electric power main website, the relation of its primary processor 21a also be from the relation of leading.
As seen, in existing concentrator, downgoing communication unit 22a and GPRS communication unit 23a etc. all are as the existing from equipment of primary processor 21a, that is to say, the relation of primary processor 21a and downgoing communication unit 22a and GPRS communication unit 23a is strict master slave relation.From the function of equipment be not initiatively finish but under the monitoring of primary processor 21a and commander, finish.In case primary processor 21a enters abnormality or deadlock state, whole system just is in a kind of state of paralysis.In order to solve failure problems, usually need send the special messenger to go that concentrator carried out the outage of repetition and the maintainability such as heavily power on operates to on-the-spot, this can increase the maintenance cost of system greatly, bring loss for the owner and/or the user of the electric power system such as power supply administration, and, because the concentrator most cases is mounted in the more abominable place of environment, on-the-spot maintainability operation brings danger also can for the staff who specifically is engaged in maintenance work.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and propose a kind of power concentrator of fail safe hidden danger of the maintainability operation that can greatly reduce maintenance cost and reduce a staff on-the-spot.
In order to realize above-mentioned purpose, the present invention proposes a kind of power concentrator with self-recovering function, comprises power supply and the Circuits System of being worked by this Power supply; This Circuits System comprise again primary processor with link to each other with this primary processor from equipment, this primary processor is serially connected with controlled switch and obtains working power from this power supply, should be provided with processor from equipment, should be connected with this primary processor communication from equipment, this primary processor and restart the warm start circuit that the software systems moved from the processor of equipment with primary processor control are restarted from being provided with between the equipment status line of self operating state to be provided and to be provided with the software systems of moving from equipment control primary processor to the other side, this primary processor and monitor and according to the strategy of setting from the status signal that a side of equipment provides by status line the other side, carry out warm start by warm start circuit control the other side; Should and be provided with the break-make of the controlled switch that is connected in series of this primary processor of control and the cold start-up circuit that forces this primary processor to be restarted from equipment.
Should be serially connected with controlled switch and obtain working power from this power supply from equipment, this primary processor also be provided with the break-make of this controlled switch that is connected in series from equipment of control and the cold start-up circuit that forces this to restart from equipment
Compared with prior art, adopt the power concentrator with self-recovering function of the present invention, the fail safe hidden danger of the maintainability operation that maintenance cost can be reduced greatly and reduce a staff on-the-spot.
Description of drawings
Fig. 1 is the structured flowchart of existing power concentrator.
Fig. 2 is the structured flowchart with power concentrator embodiment of self-recovering function of the present invention.
Fig. 3 be among the power concentrator embodiment with self-recovering function of the present invention primary processor to the flow chart from the supervision of equipment.
Fig. 4 is from the flow chart of equipment to the supervision of primary processor among the power concentrator embodiment with self-recovering function of the present invention.
Embodiment
In order to further specify principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
Structured flowchart with power concentrator embodiment of self-recovering function of the present invention as shown in Figure 2, comprises power supply 1 and the Circuits System 2 of work by this power supply 1 power supply; The composition of Circuits System 2 comprises again usually: primary processor 21, downgoing communication equipment 22, uplink communication equipment 23 and be connected to first, second, and third controlled switch 121,122 and 123 between primary processor 21, downgoing communication equipment 22 and uplink communication equipment 23 and the power supply 1.These controlled switchs can be relays, also can be other switching devices.
Primary processor 21 is the CPU of power concentrator.
Downgoing communication equipment 22 can be the various communication module that concentrator and ammeter or terminal equipment can be coupled together of PLC communication module, RS485/RS232 communication module and other.
The PLC communication module provides carrier communication interface based on power line for power concentrator.
The RS485/RS232 communication module provides communication interface based on 485 agreements for power concentrator.
No matter be PLC communication module, RS485/RS232 communication module or other communication module, be equipped with microprocessor in its internal structure, it is that communication is connected with the annexation of primary processor, itself and primary processor are peer-to-peers, and, lost efficacy in order to prevent the other side, mutual circuit connection by hardware, the state of self normal operation can be reported to the other side, and the switch control of the other side's power supply and the reseting controling signal that is in the processor of core status are placed the control of oneself.
Uplink communication equipment 23 can be the various communication module that concentrator and main website can be coupled together of Wi-Fi communication module, GPRS/GSM communication module, internet communication module, optical fiber communication modules and other.
The Wi-Fi communication module is the wireless communication module of power concentrator, and it can access Internet by wireless routing device, also can with near other wireless device communication.
The internet communication module provides Ethernet interface for power concentrator.
The GPS/GSM communication module provides data exchange interface based on gsm system for power concentrator.
Optical fiber communication modules provides communication interface based on the optical fiber communication agreement for power concentrator.
No matter be Wi-Fi communication module, GPRS/GSM communication module, internet communication module, optical fiber communication modules or other communication module, be equipped with microprocessor in its internal structure, it is that communication is connected with the annexation of primary processor, itself and primary processor are peer-to-peers, and, lost efficacy in order to prevent the other side, mutual circuit connection by hardware, the state of self normal operation can be reported to the other side, and the switch control of the other side's power supply and the reseting controling signal that is in the processor of core status are placed the control of oneself.
In the power concentrator embodiment with self-recovering function of the present invention, primary processor 21 is key components of whole power concentrator, Wi-Fi communication module, internet communication module, GPS/GSM communication module, PLC communication module, RS485/RS232 communication module and optical fiber communication modules etc. can as be primary processor 21 from equipment.
As shown in Figure 2, between primary processor 21 and the uplink communication equipment 23, except the both-way communication line, also be provided with: primary processor 21 provides the circuit 213 of reseting controling signal, circuit 214 that uplink communication equipment 23 to primary processor 21 provide reseting controling signal to circuit 212, the primary processor 21 that primary processor 21 provides oneself state to report signal to uplink communication equipment 23 to circuit 211, the uplink communication equipment 23 that uplink communication equipment 23 provides oneself state to report signal.And primary processor 21 is controlled by 215 pairs of the 3rd controlled switchs 123 of circuit, and uplink communication equipment 23 is controlled by 216 pairs of the first controlled switchs 121 of circuit.
The annexation of primary processor 21 and downgoing communication equipment 22, with the annexation of above-mentioned primary processor 21 and uplink communication equipment 23 mutually roughly the same, do not repeat them here.
As seen, primary processor 21 and formed each other closed loop monitoring system from Watchdog signal and the ringing signal from equipment on the circuit 212 with the primary processor 21 on the circuit 211 between the equipment.
So, within the regular hour, do not receive the words of the other side's signal as a side, just can restart by the oneself that circuit 213 or 214 allows the other side carry out systems soft ware under the prerequisite of not cutting off the power supply, if restart number of times when reaching certain number of times and also not receiving the other side's signal, at this moment after certain blanking time, will carry out the reboot operation that then lower electricity powers on from the power supply of equipment or primary processor 21 by circuit 215 or 216, and force system to reset thoroughly successively.In the situation that certain is unknown, if there is the Watchdog of the primary processor 21 on the circuit 211 normal, but other function of primary processor 21 has occurred unusually, from equipment can also by its with main website communicate by letter judge whether and primary processor 21 need to be restarted: if although main station judging to the ringing signal that has from equipment, but be failed with communicating by letter of primary processor 21, also can notify from equipment primary processor 21 is carried out software reset and thorough restarting of then powering on of outage.
Below, from primary processor with from two aspects of equipment the operating process with power concentrator of self-recovering function of the present invention is described respectively, wherein, unless specialize, can be downgoing communication equipment from equipment.
One, primary processor
Parameter declaration:
Reset from equipment time interval T: primary processor is not received the ringing signal that sends over from equipment at T in the time, illustrates from equipment to be in abnormality, need to give from reset signal of equipment;
Register stored count value N1: when register count down to N1, illustrated to have resetted from the time interval T of equipment;
From device reset number of times A: counting is from the current number of resets of equipment;
From device reset number of times A1: when A reaches this digital the time, primary processor will be prepared to cut off the power supply and again operation to the supply relay from equipment, namely to restarting thoroughly from equipment;
From equipment relay operation time T 1: from equipment relay-operated blanking time, within blanking time, relay carries out again operation with refusal.
Primary processor as shown in Figure 3, roughly comprises the concrete step from the supervision of equipment:
S1: the counter of primary processor checks the ringing signal of whether having received from equipment from adding 1, namely by " feeding dog " pulse signal of the Watchdog that sends to primary processor from equipment, if receive ringing signal, with this count value zero clearing of counter, otherwise, carry out S2;
S2: whether the value of judging register has arrived N1, if also do not arrive, gets back to S1 and continues to wait for; If the count value of counter has arrived N1, illustrate at T and do not received in the time from the ringing signal of equipment, enter S3;
S3: judge this from device reset number of times A whether to A1 time, if also do not arrive, will restart from equipment, if arrived A1 time, illustrate from equipment and restarted A1 time, but also do not receive ringing signal from equipment, enter S4;
S4: judge and this time restarted after A1 time, whether the time that re-powered again cutting off the power supply from equipment from last time has surpassed T1, if surpassed T1, carry out so the power-off restarting operation from equipment, if also do not surpass T1, get back to S1 and restart, enter next circulation until interval time moves above T1 again.
Two, from equipment
From the supervision of equipment to primary processor, can adopt the flow process of two kinds of patterns: a kind of adopt Watchdog " to feed dog " from equipment whether pulse is monitored primary processor and is worked, this flow process is the same with above-mentioned primary processor by the mode of monitoring from the ringing signal of equipment, that is to say, mutually supervise as fully reciprocity role with primary processor with from equipment; Another pattern then is only for uplink communication equipment, and the communication effect between concentrator and the main website has been carried out consideration, is described as follows:
Parameter declaration:
Jingle bell sends T0 blanking time: every the T0 time, primary processor is to sending ringing signal from equipment;
Register counting N2: the numeral of the register counting when reach T0 blanking time;
Primary processor number of resets B: the current number of resets of counting primary processor;
The primary processor maximum times B1 that resets: when B reaches this digital the time, will prepare that supply relay to primary processor cuts off the power supply and again operation from equipment;
The relay operation time interval T2 of primary processor: the relay-operated blanking time of primary processor, within blanking time, relay carries out again operation with refusal.
From the concrete step of equipment to the supervision of primary processor, as shown in Figure 4, roughly comprise:
S1: register count down to certain when digital, detect from equipment with master station communication failure flags position, be unsuccessfully if detect normal bit, enter so S4, otherwise enter next step S2;
S2: whether detection is communicating with main website from equipment, if communicating, primary processor is described and is carrying out mutual exchanges data from equipment, can say that in certain degree primary processor is normal operation, need not to send ringing signal this time, and with the value zero clearing of used two registers.If do not communicating with main website, entering next step S3;
S3: whether the numeral of judging register has arrived N2, if reached N2 then send the program of ringing signal, if also do not arrive, just enters next circulation;
S4: this primary processor number of resets B from adding 1, is judged whether B has reached the maximum times B1 that primary processor resets, if also do not reach B1, so primary processor is resetted once, otherwise enters next step S5;
S5: judgement was cut off the power supply to primary processor from last time and whether is then re-powered the operating time interval greater than T2, if greater than this time interval, directly primary processor is carried out the operation that then outage of a primary processor re-powers, enter next circulation, if also do not reach this time interval, change so S2 over to.
Compared with prior art, power concentrator with self-recovering function of the present invention, on the basic equipment basis of existing concentrator, just can reach the self-recovery function of whole system through the modification of a small amount of hardware and software, can allow the concentrator can be in for a long time unattended operation, the abominable situation work of environment.
It below only is better possible embodiments of the present invention, and unrestricted protection scope of the present invention, therefore the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, such as: can under the support that does not have main website, work, fully by primary processor with form a complete self-recovery system from equipment; In the time interval that the outage of the required equipment that arranges powers on again in the system, can decide according to concrete environment and equipment; Can accept the heat to primary processor that main website provides, cold start-up order from equipment and primary processor is controlled, all be included in protection scope of the present invention.

Claims (1)

1. the power concentrator with self-recovering function comprises power supply and the Circuits System of being worked by this Power supply; This Circuits System comprise again primary processor with link to each other with this primary processor from equipment, it is characterized in that, this primary processor is serially connected with controlled switch and obtains working power from this power supply, should be provided with processor from equipment, should be connected with this primary processor communication from equipment, this primary processor and restart the warm start circuit that the software systems moved from the processor of equipment with primary processor control are restarted from being provided with between the equipment status line of self operating state to be provided and to be provided with the software systems of moving from equipment control primary processor to the other side, this primary processor and monitor and according to the strategy of setting from the status signal that a side of equipment provides by status line the other side, carry out warm start by warm start circuit control the other side; Should and be provided with the break-make of the controlled switch that is connected in series of this primary processor of control and the cold start-up circuit that forces this primary processor to be restarted from equipment.
2. according to power concentrator claimed in claim 1, it is characterized in that, should be serially connected with controlled switch and obtain working power from this power supply from equipment, this primary processor also be provided with the break-make of this controlled switch that is connected in series from equipment of control and the cold start-up circuit that forces this to restart from equipment.
3. according to power concentrator claimed in claim 1, it is characterized in that, this status line is the input port that is connected to the other side's WDT by a side output port.
4. according to power concentrator claimed in claim 1, it is characterized in that, this warm start circuit is the input port that is connected to the other side's reset signal by a side output port.
5. according to power concentrator claimed in claim 2, it is characterized in that, this controlled switch is relay, and this cold start-up circuit is the control port that the output port by a side is connected to the relay that the other side is connected in series.
6. according to power concentrator claimed in claim 2, it is characterized in that, this primary processor and monitor and the other side's warm start number of times is counted from the status signal that a side of equipment provides by status line the other side, if do not receive the threshold number that this status signal and warm start time counting number does not reach setting within the very first time of setting, this square tube is crossed warm start circuit control the other side and is carried out warm start; If do not receive this status signal within the very first time of setting, warm start time counting number reaches the threshold number of setting and the second time that the other side has reached setting the blanking time since cold start-up last time, this square tube is crossed cold start-up circuit control the other side and is carried out cold start-up.
7. according to power concentrator claimed in claim 2, it is characterized in that, this power concentrator is connected with main website communication, should monitor the communication conditions of this primary processor and this main website from equipment, if this primary processor is successfully with communicating by letter of main website within the 3rd time of setting, should monitor and the warm start number of times of this primary processor was counted from the status signal that equipment provides by status line this primary processor, if within the very first time of setting, do not receive the threshold number that this status signal and warm start time counting number does not reach setting, should control this primary processor by the warm start circuit from equipment and carry out warm start; If within the very first time of setting, do not receive this status signal, warm start time counting number reaches the threshold number of setting and the second time that this primary processor has reached setting the blanking time since cold start-up last time, should control this primary processor by the cold start-up circuit from equipment and carry out cold start-up.
8. according to power concentrator claimed in claim 2, it is characterized in that, this power concentrator is connected with main website communication, should monitor the communication conditions of this primary processor and main website from equipment, if this primary processor is failed with communicating by letter of main website in the 3rd time of setting, should count from equipment and to the warm start number of times of this primary processor, if warm start time counting number does not reach the threshold number of setting, should control this primary processor by the warm start circuit from equipment and carry out warm start; If warm start time counting number reaches the threshold number of setting and the second time that this primary processor has reached setting the blanking time since cold start-up last time, should control this primary processor by the cold start-up circuit from equipment and carry out cold start-up.
9. according to power concentrator claimed in claim 2, it is characterized in that, this power concentrator is connected with main website communication, if should carry out the order of warm start to primary processor from what equipment received that this main website sends, should control this primary processor by the warm start circuit from equipment and carry out warm start; If should carry out the order of cold start-up to primary processor from what equipment received that this main website sends, should control this primary processor by the cold start-up circuit from equipment and carry out warm start.
10. according to the arbitrary described power concentrator of claim 1 to 9, it is characterized in that, should comprise downgoing communication equipment and uplink communication equipment from equipment, this primary processor is to be connected with the main website communication via this uplink communication equipment.
CN 200910226428 2009-11-20 2009-11-20 Electricity concentrator with restoration function Active CN102075011B (en)

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Publication number Priority date Publication date Assignee Title
CN105243708B (en) * 2015-09-22 2017-08-29 中国船舶重工集团公司第七一八研究所 Blocking routine and Redundant Control framework in a kind of smart lock
CN105974849B (en) * 2016-06-24 2018-07-17 天津奥美自动化***有限公司 Electric actuator with self-protection function and its control method
CN108230640B (en) * 2016-12-21 2021-03-19 成都长城开发科技有限公司 Concentrator of automatic meter reading system

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