CN105590437A - Wireless meter reading method and system - Google Patents

Wireless meter reading method and system Download PDF

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Publication number
CN105590437A
CN105590437A CN201510271469.3A CN201510271469A CN105590437A CN 105590437 A CN105590437 A CN 105590437A CN 201510271469 A CN201510271469 A CN 201510271469A CN 105590437 A CN105590437 A CN 105590437A
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CN
China
Prior art keywords
instruction
meter reading
meter
measuring instrument
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510271469.3A
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Chinese (zh)
Inventor
吴庆卫
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Shanghai Longkai Electronic Technology Co Ltd
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Shanghai Longkai Electronic Technology Co Ltd
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Publication date
Application filed by Shanghai Longkai Electronic Technology Co Ltd filed Critical Shanghai Longkai Electronic Technology Co Ltd
Priority to CN201510271469.3A priority Critical patent/CN105590437A/en
Publication of CN105590437A publication Critical patent/CN105590437A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a wireless meter reading method and system. The system comprises a meter reading machine and a metering device. The meter reading process is as follows: the meter reading machine sends an awakening instruction to the metering device; after receiving the awakening instruction, the metering device sends an awakening response instruction to the meter reading machine, and gets into an effective monitoring state; after receiving the awakening response instruction, the meter reading machine sends a meter reading instruction to the metering device; the metering device receives the meter reading instruction in the effective monitoring state, acquires current metering data according to the meter reading instruction and sends the current metering data to the meter reading machine. Compared with the prior art, the wireless meter reading method and system are high in communication efficiency and meter reading speed.

Description

A kind of wireless meter reading method and system
Technical field
The present invention relates to communication technical field, particularly a kind of wireless meter reading method and system.
Background technology
Along with the lifting of national economy, house complete set ratio and commercial continuous expansion, city occupiesThe management of the people to environment around of house, property department and service quality, government utility fieldThe requirement of the aspects such as service level is more and more higher. Meanwhile, traditional people such as water, electricity, gas, heatWork enters high efficiency and the safety of mode that every household checks meter and social economic developmentProperty differentiation remarkable, bring ratio to the live and work of residential communities and Administration of Public Affairs departmentLarger puzzlement.
In the radio meter register process of prior art, by the meter reader of hand-held, such as hand-heldThe PDA (PersonalDigitalAssistant, personal digital assistant) of formula etc., directly sendMeter reading instruction is to measuring instrument, such as intelligence instruments such as gas meter, flow meter, water meter, ammeters. GaugeCommunication unit in table is set to a period of time in the intrinsic cycle just in starting work shapeState, the time of for example natural period is generally about 3 seconds, wherein in starting dutyEffectively time of intercept is 10 milliseconds of left and right. The communication unit of measuring instrument is only effectively detectd at thisListen the time interior just in running order, can effectively receive the meter reading instruction that meter reader sends, andWithin all the other times in resting state. In the time checking meter, because the person of checking meter is not known gaugeWhether the communication unit of table, in effectively intercepting state, need to continue to send and check meter to measuring instrumentInstruction, to ensure the smooth reception of instruction.
Therefore in prior art, the duration that meter reading instruction is successfully received is unfixing, the longest needsThe time of one whole natural period, average duration is the half of natural period duration, communication efficiencyLower.
Summary of the invention
The invention provides a kind of wireless meter reading method and system, exist in order to solve in prior artThe problem that communication efficiency is low.
For solving above-mentioned purpose, a kind of wireless meter reading method provided by the invention, comprises following stepRapid:
Meter reader sends and wakes instruction up to measuring instrument;
Described in described measuring instrument receives, wake up after instruction, send to wake up to described meter reader and answerAnswer instruction, and enter the state of effectively intercepting;
Described meter reader is replied after instruction waking up described in receiving, and sends to described measuring instrumentMeter reading instruction;
Described measuring instrument receives described meter reading instruction effectively intercepting under state, and according to describedMeter reading instruction is obtained current continuous data, sends to described meter reader.
Further, described meter reader sends and wakes up after instruction to measuring instrument, enters wait shapeState, if do not receive from waking up of described measuring instrument and reply after described wait state finishesInstruction, again sends and wakes instruction up to described measuring instrument.
Further, described measuring instrument is intercepted after state entering effectively, if effectively interceptingIn time, do not receive from described meter reader meter reading instruction, finish effectively to intercept state.
Further, described effective time of intercept is 6-12 millisecond.
The present invention also provides a kind of wireless kilowatt meter reading-out system, comprising:
Meter reader, for sending and wake instruction up to measuring instrument, and replys receiving to wake upAfter instruction, send meter reading instruction to described measuring instrument;
Measuring instrument, for waking up described in receiving after instruction, sends and calls out to described meter readerWake up and reply instruction, and enter the state of effectively intercepting, and described in effectively intercepting and receiving under stateMeter reading instruction, and obtain current continuous data according to described meter reading instruction, described in sending to, copyTable machine.
Further, described meter reader also for:
Sending and wake up after instruction to measuring instrument, enter wait state, if at described wait shapeAfter state finishes, do not receive from waking up of described measuring instrument and reply instruction, again to describedThe communication unit of measuring instrument sends and wakes instruction up.
Further, described measuring instrument comprises communication unit and processing unit, wherein
Communication unit, for receiving and forwarding and wake instruction and meter reading instruction up to described processing unit,And wake up and reply instruction and continuous data to described meter reader transmission;
Processing unit, for enter the state of effectively intercepting after waking instruction up described in receiving, withAnd receive after meter reading instruction effectively intercepting under state, obtain current according to described meter reading instructionContinuous data.
Further, described measuring instrument also comprises timing unit,
Timing unit, for effectively intercepting after state entering, starts the meter of effective time of interceptTime;
Processing unit, if also for not receiving from described meter reader in effective time of interceptMeter reading instruction, finishes effectively to intercept state.
Further, described effective time of intercept is 6-12 millisecond.
Beneficial effect of the present invention is as follows: send and wake up after instruction to measuring instrument at meter reader, meterAmount instrument enters immediately and effectively intercepts state, and now meter reader is receiving that corresponding waking up reply fingerAfter order, can send meter reading instruction, because active measuring instrument is set to the state of effectively intercepting,Therefore this meter reading instruction can be received smoothly without lasting transmission. Due to the relevant instruction that wakes upAnd the transmitting-receiving of replying instruction generally can complete in some milliseconds, therefore whole checking meterThe duration of process obviously shortens, and communication efficiency effectively improves.
Brief description of the drawings
The flow chart of a kind of wireless meter reading method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of a kind of wireless kilowatt meter reading-out system that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of measuring instrument in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
Embodiment
As shown in Figure 1, a kind of wireless meter reading method that the embodiment of the present invention provides, comprises followingStep:
Step 101, meter reader sends and wakes instruction up to measuring instrument;
Step 102, measuring instrument receives and wakes up after instruction, sends to wake up reply to meter readerInstruction, and enter the state of effectively intercepting;
Step 103, meter reader is replied after instruction receiving to wake up, sends and copies to measuring instrumentTable instruction;
Step 104, measuring instrument receives meter reading instruction effectively intercepting under state, and according to copyingCurrent continuous data is obtained in table instruction, sends to meter reader.
In step 101, meter reader sends and wakes up after instruction to measuring instrument, enters wait shapeState, replys instruction if do not receive after wait state finishes from waking up of measuring instrument,Again send and wake instruction up to measuring instrument. In said process, because transmission wakes instruction up alsoAnd receive that the time of replying instruction generally can complete in some milliseconds, the time of wait stateGenerally can be arranged on 10 milliseconds of left and right.
In step 102, measuring instrument is intercepted after state entering effectively, if effectively interceptingIn time, do not receive from meter reader meter reading instruction, finish effectively to intercept state, again returnTo initial resting state, reduce power consumption. Equally, the time that transmitting-receiving needs according to meter reading instruction,Effectively time of intercept can be set to 6-12 millisecond left and right.
Owing to sending and waking up after instruction to measuring instrument at meter reader, measuring instrument has entered immediatelyEffect is intercepted state, and now meter reader can send and check meter receiving after instruction is replied in corresponding waking upInstruction, because measuring instrument is initiatively set to the state of effectively intercepting, therefore this meter reading instruction withoutNeeding to continue transmission can be received smoothly. Due to relevant waking instruction up and reply the receipts of instructionSend out generally and can in some milliseconds, can complete, therefore the duration of the whole process of checking meter obviously contractsShort, communication efficiency effectively improves.
In addition, in prior art, due in the time not checking meter, measuring instrument is in each fixing weekIn phase, still having a bit of time enters into the state of effectively intercepting, and causes the waste of electric energy. AndIn the method that the embodiment of the present invention provides, because measuring instrument can not receive and wake instruction up, because ofThis can not enter into the state of effectively intercepting, and has effectively saved this part electric energy.
Based on same inventive concept, a kind of wireless kilowatt meter reading-out system is also provided in the embodiment of the present invention,Because the principle that this system is dealt with problems is similar to said method, therefore the enforcement of this system canReferring to enforcement corresponding in method, repeat part and repeat no more.
As shown in Figure 2, a kind of wireless kilowatt meter reading-out system provided by the invention, comprising:
Meter reader 210, for sending and wake instruction up to measuring instrument, and wakes up receivingAfter replying instruction, send meter reading instruction to measuring instrument;
Measuring instrument 220, for waking up after instruction receiving, sends to meter reader that wake up shouldAnswer instruction, and enter the state of effectively intercepting, and receive meter reading instruction effectively intercepting under state,And obtain current continuous data according to meter reading instruction, send to meter reader.
Meter reader 210 also for:
Sending and wake up after instruction to measuring instrument, enter wait state, if tie in wait stateShu Houwei receives from waking up of measuring instrument and replys instruction, logical to measuring instrument againNews unit sends and wakes instruction up.
In actual applications, meter reader can adopt the equipment of hand-held, such as PDA etc.,And measuring instrument can be various intelligence instruments, such as gas meter, flow meter, water meter, ammeter etc. MeteringThe concrete structure of instrument 220 as shown in Figure 3, comprise communication unit 221, processing unit 222,Timing unit 223 and power subsystem 224.
Communication unit 221, for receiving and forwarding and wake instruction and meter reading instruction up to processing unit,And wake up and reply instruction and continuous data to meter reader transmission.
Processing unit 222, for entering the state of effectively intercepting receiving after waking instruction up, withAnd receive after meter reading instruction effectively intercepting under state, obtain current meter according to meter reading instructionAmount data; If effectively not receiving from meter reader meter reading instruction in time of intercept, finishEffectively intercept state, wherein effectively time of intercept is 6-12 millisecond.
Timing unit 223, for effectively intercepting after state entering, starts effective time of interceptTiming.
Power subsystem 224, for giving communication unit 221, processing unit 222 and timing unit223 power supplies.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the present inventionThe spirit and scope of the present invention. Like this, if these amendments of the present invention and modification belong to thisWithin the scope of bright claim and equivalent technologies thereof, the present invention is also intended to comprise these changesWith modification interior.

Claims (9)

1. a wireless meter reading method, is characterized in that, comprises the following steps:
Meter reader sends and wakes instruction up to measuring instrument;
Described in described measuring instrument receives, wake up after instruction, send to wake up to described meter reader and answerAnswer instruction, and enter the state of effectively intercepting;
Described meter reader is replied after instruction waking up described in receiving, and sends to described measuring instrumentMeter reading instruction;
Described measuring instrument receives described meter reading instruction effectively intercepting under state, and according to describedMeter reading instruction is obtained current continuous data, sends to described meter reader.
2. wireless meter reading method according to claim 1, is characterized in that, described in copyTable machine sends and wakes up after instruction to measuring instrument, enters wait state, if in described wait stateAfter end, do not receive from waking up of described measuring instrument and reply instruction, again to described meterAmount instrument sends wakes instruction up.
3. wireless meter reading method according to claim 1, is characterized in that, described meterAmount instrument is intercepted after state entering effectively, if effectively not receiving from institute in time of interceptState meter reader meter reading instruction, finish the state of effectively intercepting.
4. wireless meter reading method according to claim 4, is characterized in that, described in haveEffect time of intercept is 6-12 millisecond.
5. a wireless kilowatt meter reading-out system, is characterized in that, comprising:
Meter reader, for sending and wake instruction up to measuring instrument, and replys receiving to wake upAfter instruction, send meter reading instruction to described measuring instrument;
Measuring instrument, for waking up described in receiving after instruction, sends and calls out to described meter readerWake up and reply instruction, and enter the state of effectively intercepting, and described in effectively intercepting and receiving under stateMeter reading instruction, and obtain current continuous data according to described meter reading instruction, described in sending to, copyTable machine.
6. wireless kilowatt meter reading-out system according to claim 5, is characterized in that, described in copyTable machine also for:
Sending and wake up after instruction to measuring instrument, enter wait state, if at described wait shapeAfter state finishes, do not receive from waking up of described measuring instrument and reply instruction, again to describedThe communication unit of measuring instrument sends and wakes instruction up.
7. wireless kilowatt meter reading-out system according to claim 5, is characterized in that, described meterAmount instrument comprises communication unit and processing unit, wherein
Communication unit, for receiving and forwarding and wake instruction and meter reading instruction up to described processing unit,And wake up and reply instruction and continuous data to described meter reader transmission;
Processing unit, for enter the state of effectively intercepting after waking instruction up described in receiving, withAnd receive after meter reading instruction effectively intercepting under state, obtain current according to described meter reading instructionContinuous data.
8. wireless kilowatt meter reading-out system according to claim 6, is characterized in that, described meterAmount instrument also comprises timing unit,
Timing unit, for effectively intercepting after state entering, starts the meter of effective time of interceptTime;
Processing unit, if also for not receiving from described meter reader in effective time of interceptMeter reading instruction, finishes effectively to intercept state.
9. wireless kilowatt meter reading-out system according to claim 8, is characterized in that, described in haveEffect time of intercept is 6-12 millisecond.
CN201510271469.3A 2015-05-25 2015-05-25 Wireless meter reading method and system Pending CN105590437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510271469.3A CN105590437A (en) 2015-05-25 2015-05-25 Wireless meter reading method and system

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106128084A (en) * 2016-09-05 2016-11-16 湖南农业大学 Wireless meter reading method and system
CN106332248A (en) * 2016-08-19 2017-01-11 深圳市慧联通信技术有限公司 Meter reading method and system with low power consumption

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481259A (en) * 1994-05-02 1996-01-02 Motorola, Inc. Method for reading a plurality of remote meters
CN101566488A (en) * 2009-04-30 2009-10-28 上海大学 Wireless intelligent gas meter with extremely low power dissipation
CN202420591U (en) * 2011-12-14 2012-09-05 陕西航天动力高科技股份有限公司 Wireless intelligent data transmission gas meter and auto-routing wireless far-transfer intelligent meter reading system
CN103313366A (en) * 2013-05-24 2013-09-18 成都秦川科技发展有限公司 Awakening method of wireless meter reading system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481259A (en) * 1994-05-02 1996-01-02 Motorola, Inc. Method for reading a plurality of remote meters
CN101566488A (en) * 2009-04-30 2009-10-28 上海大学 Wireless intelligent gas meter with extremely low power dissipation
CN202420591U (en) * 2011-12-14 2012-09-05 陕西航天动力高科技股份有限公司 Wireless intelligent data transmission gas meter and auto-routing wireless far-transfer intelligent meter reading system
CN103313366A (en) * 2013-05-24 2013-09-18 成都秦川科技发展有限公司 Awakening method of wireless meter reading system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106332248A (en) * 2016-08-19 2017-01-11 深圳市慧联通信技术有限公司 Meter reading method and system with low power consumption
CN106332248B (en) * 2016-08-19 2020-06-05 深圳市慧联通信技术有限公司 Low-power-consumption meter reading method and system
CN106128084A (en) * 2016-09-05 2016-11-16 湖南农业大学 Wireless meter reading method and system

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Application publication date: 20160518

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