CN103093599A - Large-caliber wireless communication type split meter - Google Patents
Large-caliber wireless communication type split meter Download PDFInfo
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- CN103093599A CN103093599A CN2012104899239A CN201210489923A CN103093599A CN 103093599 A CN103093599 A CN 103093599A CN 2012104899239 A CN2012104899239 A CN 2012104899239A CN 201210489923 A CN201210489923 A CN 201210489923A CN 103093599 A CN103093599 A CN 103093599A
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Abstract
The invention relates to a large-caliber wireless communication type split meter. A split structure is adopted by a meter and a control valve, and both the meter and the control valve are provided with an electrical control part and communicate in a wireless manner, wherein the electrical control part of the meter is provided with an M-BUS (meter-bus) communication interface; and the meter and an upper computer communicate by an M-BUS method. The defect of unreliable communication in a split large-caliber water meter for which the meter and the valve are connected by a cable is mainly solved; and in addition, the electrical control part of the meter is provided with the M-BUS communication interface, therefore the split meter is excellent in compatibility, easy to remote monitor, and capable of realizing prepayment management of water fees by being matched with a non-contact IC card.
Description
Technical field
Patent of the present invention relates to work, agricultural water field, relates in particular to the heavy caliber Wireless communication type and divides body surface.
Background technology
Large-diameter water meter refers to that DN80mm(contains DN80mm) water meter of above bore.Because the user of large-diameter water meter is industry, business and the user of organ, water price is high, the water yield is large, accounts for certain ratio in total Water, therefore the management of large-diameter water meter is directly had influence on the benefit of water undertaking.The management of large-diameter water meter faces following two outstanding problems, and problem one: the most large-diameter water meter is no longer continued to use traditional mechanical water meter, is divided into intelligent large-diameter water meter but increase electric control part on large-diameter water meter.The intelligence large-diameter water meter adopts Split type structure mostly, generally formed by the base table of posting a letter, electric control valve, both connect by cable, post a letter and connect by wired mode between table and valve, require harsher to installation environment, and cable easily is damaged, and being installed on to guarantee to post a letter table and valve normal communication in wet environment.Problem two: the checking meter and monitoring of large-diameter water meter.That large-diameter water meter distributes is wide, distance, quantity are many, and traditional manual metering cycle is one month, and water undertaking can't find the water meter fault within the cycle of checking meter, and measures commonly using under flow condition according to large table, and bring a large amount of losses to water undertaking every month; The employing wireless mode is checked meter, adopt GPRS or the SMS of mobile platform to transmit the meter reading data of on-the-spot packing, after the server receive data, unpack and pass to End-Customer so that the user carries out data analysis and research, this just need to install the SIM Mobile phone card at large-diameter water meter, because large-diameter water meter is installed on the table down-hole more and ducks in drink more, all can not guarantee the reliability of this kind meter register method from waterproof technology and signal transmission two aspects, and this system need to by mobile operation platform, increase running cost.
For existing two critical problems of above-mentioned large-diameter water meter, I divide body surface to solve the problems referred to above by company's patent of invention heavy caliber Wireless communication type, by-pass valve control and gauging table adopt split-type structural, both adopt wireless mode communication, the automatically controlled part of gauging table has the M-BUS bus interface in addition, compatible good, be easy to remote monitoring, coordinate contactless IC card can realize the pre-payment management of water rate.
Summary of the invention
The purpose of this invention is to provide a kind of heavy caliber Wireless communication type and divide body surface, the split of table valve, and both by wireless mode communication, and the electric control part of gauging table is arranged with the M-BUS interface, can be compatible with the existing M-BUS kilowatt meter reading-out system in residential quarter, only need there be the M-BUS bus just can complete and checks meter, facilitate water undertaking's remote monitoring, and coordinate contactless IC card can realize the pre-payment management of water rate.
To achieve these goals, technical scheme of the present invention is as described below;
The heavy caliber Wireless communication type divides body surface, gauging table and operation valve adopt split-type structural, gauging table and operation valve are equipped with automatically controlled part, gauging table adopts wireless mode to communicate by letter with operation valve, the electric control part of gauging table is arranged with the M-BUS communication interface, and gauging table is communicated by letter by the M-BUS bus mode with host computer.
Further scheme is: the automatically controlled part of gauging table is comprised of central processing unit, measuring ultrasonic wave flow circuit, voltage detecting circuit, power-supplying circuit, display circuit, M-BUS communication interface circuit, wireless communication module, and power supply is provided by the 3.6V lithium battery; The measuring ultrasonic wave flow circuit coordinates suitable, adverse current transducer to record accurate flow information by the ultrasonic measurement chip TDC-GP21 of special use, the ultrasonic measurement chip adopt the SPI mode with water yield information communication to central processing unit; Display circuit directly drives demonstration by central processing unit, and voltage detecting circuit is for detection of cell voltage, if voltage shows without electrosemaphore lower than setting value; Wireless communication module has independently central processing unit, and wireless communication module adopts standard serial port to communicate by letter with the automatically controlled part central processing unit of gauging table;
Further scheme is: the automatically controlled part of operation valve is comprised of central processing unit, valve controling circuit, radio-frequency card card reading circuit, power-supplying circuit, card reading circuit power control circuit, wireless communication module.Power supply is battery-powered by 14.4V, the card reading circuit power control circuit is connected to the corresponding pin of central processing unit, be used for the control to the card reading circuit power supply, card reading circuit is used for the external radio frequency card information through card reading circuit to central processing unit, the K of valve controling circuit, G control end be connected to central processing unit the response pin, the power supply of valve controling circuit is provided by the 14.4V electric battery, radio communication has independently central processing unit, and wireless communication module adopts standard serial port to communicate by letter with the automatically controlled part central processing unit of operation valve;
Further scheme is: wireless communication module has independently central processing unit, wireless communication module is comprised of central processing unit, RF radio transmitting and receiving chip, signal sending circuit, signal receiving circuit, when wireless module receives information, the RF wireless signal receives the radio transmitting and receiving chip to RF through signal receiving circuit, and radio transmitting and receiving chip is received this signal and adopted the SPI mode to be communicated to central processing unit; When wireless module transmitted, central processing unit adopted the SPI mode to be communicated to the RF radio transmitting and receiving chip data message, and the RF radio transmitting and receiving chip is sent to outside receiving equipment with signal through transtation mission circuit.
Host computer passes through the M-BUS bus to the order of gauging table transmit button valve, gauging table receives and orders successfully, reply data, then open the wireless module power supply, send to wireless module and drive valve or close the valve order, wireless module in gauging table sends the RF radiofrequency signal to the wireless module in operation valve, and operation valve receives the switch valve order that gauging table is sent, and valve is carried out the operation of open and close valve.Host computer can send to water meter by the M-BUS bus and copy data command simultaneously, and water meter is replied the data such as integrated flow and instantaneous delivery.
The invention has the beneficial effects as follows:
(1) patent gauging table of the present invention and operation valve adopt split-type structural, and both adopt wireless mode to communicate, and have avoided adopting wired mode insecure drawback of communication in the installation environment of table well humidity.
(2) patent gauging table of the present invention has the M-BUS communication interface, and is compatible good, can be compatible with the existing M-BUS kilowatt meter reading-out system in residential quarter, realize remote monitoring function, and the GPRS/GSM remote monitoring of comparing has reduced operation cost.
Description of drawings
Accompanying drawing 1 flows to schematic diagram for structure of the present invention and signal.
Accompanying drawing 2 is for wireless communication module RF signal of the present invention sends, receiving circuit.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1: 1 is gauging table, 2 is operation valve, the heavy caliber Wireless communication type divides body surface, gauging table and operation valve adopt split-type structural, the automatically controlled part of gauging table and operation valve all is provided with wireless communication module, and gauging table can carry out wireless telecommunications with operation valve, and the electric control part of gauging table is arranged with the M-BUS communication interface, can communicate by the M-BUS bus with host computer, host computer can be to the order of gauging table transmit button valve.
The automatically controlled part of operation valve is by being comprised of central processing unit, valve controling circuit, radio-frequency card card reading circuit, power-supplying circuit, card reading circuit power control circuit, voltage A/D conversion control circuit, wireless communication module.The central processing unit model is ATMEGA88, power supply is battery-powered by 14.4V, 14.4V electric battery provides power supply for central processing unit, card reading circuit through voltage stabilizing chip HT7150 voltage stabilizing to 5V, the K of valve controling circuit, G control end be connected to central processing unit the response pin, the power supply of valve controling circuit is provided by the 14.4V electric battery, and valve controling circuit adopts traditional large-diameter water meter valve driving circuit to be not repeated herein.
in order to guarantee to open normally at the situation lower valve of operation valve and gauging table communication abnormality, close, be provided with especially and by brush, card (contactless IC card) be set and normally open, the function of closing valve, realize by card reading circuit on hardware, the power supply of card reading circuit is provided by VCC1, card reading circuit power control circuit input end is connected to the PB0 pin of central processing unit, be used for the control to the card reading circuit power supply, the card reading circuit power control circuit is by resistance R 13, positive-negative-positive triode P4, capacitor C 31 forms, card reading circuit power supply VCC1 provides power supply by the collector taking-up of triode P4 to card reading circuit, card reading circuit is used for the external radio frequency card information through card reading circuit to central processing unit.Generally, operation valve can carry out normal radio communication with gauging table, if communication abnormality can be stuck in contactless ic and swipe the card to realize valve open/close on operation valve, thereby guarantees normal water supply.
In addition, can realize on this card reading circuit that also the pre paid functionality of water rate, the embodiment of card reading circuit please refer to my company's utility model patent " the RF Signal circuit that can work ", the patent No.: ZL 200820069508.7 under low-voltage.
valve controling circuit need to detect battery voltage when switch valve is worked, voltage A/D conversion control circuit is by some resistance, NPN type triode N5, positive-negative-positive triode P5 forms, the input end of voltage A/D conversion control circuit is connected to the PB5 pin of central processing unit, output terminal is connected to the ADC6 pin of central processing unit, electric battery is connected to the emitter of P5, the base stage of P5 is connected through resistance R 14 with the collector of N5, the grounded emitter of N5, the N5 base stage connects the PB5 pin of central processing unit through resistance R 4, the collector of P5 is connected to the ADC6 pin of central processing unit through resistance R 7, when valve event, the PB6 pin of central processing unit sets low level, begin to carry out voltage detecting, testing result reaches central processing unit through the analog to digital conversion passage of central processing unit.
In order to guarantee the reliability of large bore valves open and close, the present invention also increased open valve put in place detection, close the valve detection interface that puts in place.
the automatically controlled part of gauging table is by central processing unit, the measuring ultrasonic wave flow circuit, voltage detecting circuit, power-supplying circuit, display circuit, the M-BUS communication interface circuit, wireless communication module forms, power supply is provided by the 3.6V lithium battery, the measuring ultrasonic wave flow circuit coordinates suitable by the ultrasonic measurement chip TDC-GP21 of special use, the adverse current transducer records accurate flow information, the ultrasonic measurement chip passes through the communication of standard SPI mode to central processing unit with the flow information that records, display circuit directly drives demonstration by central processing unit, voltage detecting circuit is for detection of cell voltage, if voltage shows without electrosemaphore lower than setting value, the input termination battery of voltage detecting circuit, the P4.1 pin of output termination central processing unit, the central processing unit model is MSP430F437.
For the ease of compatible with the M-BUS kilowatt meter reading-out system of existing residential quarter, the electric control part of gauging table of the present invention is divided and is provided with especially M-BUS teletransmission interface circuit, can realize the remote control function of heavy caliber table data.
the wireless communication module of operation valve and the automatically controlled part of gauging table is same wireless module, this wireless communication module has independently central processing unit, wireless communication module is comprised of central processing unit, RF radio transmitting and receiving chip, signal sending circuit, signal receiving circuit, when wireless module receives information, the RF wireless signal receives the radio transmitting and receiving chip to RF through signal receiving circuit, and radio transmitting and receiving chip is received this signal and adopted the SPI mode to be communicated to central processing unit, when wireless module transmits, central processing unit adopts the SPI mode to be communicated to the RF radio transmitting and receiving chip data message, the RF radio transmitting and receiving chip is sent to outside receiving equipment with signal through transtation mission circuit, the model of this central processing unit is ATMEGA88, RF radio transmitting and receiving chip model is CC1100, wireless signal transtation mission circuit and signal receiving circuit are by two switch chip AS169-73(U4 and U5) realize the signal sending and receiving alternately, 1 pin of U4, 6 pin of U5 are connected to the PD1 pin of central processing unit, 3 pin of U4, 4 pin of U5 are connected to the PD5 pin of central processing unit, 5 pin of U4, the 2 pin ground connection of U5, 2 pin of U4 connect radio-frequency antenna, 6 pin of U4 are connected with 2 pin of U5, the 4 foot meridian capacitor C218 of U4, after amplifying through field effect transistor, inductance L 203 is connected to 3 pin of U5, 5 pin of U5 are connected to the signal I/O end of radio transmitting and receiving chip CC1100.The governor circuit of wireless module and operation valve, gauging table carries out communication by standard serial port.
In order to guarantee operation valve and gauging table wireless module reliable communications, the present invention has gone back special design environment sensing circuit, this environment sensing circuit is used for measures ambient temperature, thereby environment temperature is gone to zero on the impact of radio frequency communications circuitry, the wireless module of operation valve and gauging table is at interactive communication process frequency auto-compensation, thereby realized the frequency self calibration.
Claims (4)
1. the heavy caliber Wireless communication type divides body surface, contain gauging table and operation valve two parts, it is characterized in that: gauging table and operation valve adopt split-type structural, gauging table and operation valve are equipped with automatically controlled part, gauging table adopts wireless mode to communicate by letter with operation valve, the electric control part of gauging table is arranged with the M-BUS communication interface, and gauging table is communicated by letter by the M-BUS bus mode with host computer.
2. heavy caliber Wireless communication type according to claim 1 divides body surface, it is characterized in that: the automatically controlled part of gauging table is comprised of central processing unit, measuring ultrasonic wave flow circuit, voltage detecting circuit, power-supplying circuit, display circuit, M-BUS communication interface circuit, wireless communication module, and power supply is provided by the 3.6V lithium battery; The measuring ultrasonic wave flow circuit coordinates suitable, adverse current transducer to record accurate flow information by the ultrasonic measurement chip TDC-GP21 of special use, the ultrasonic measurement chip adopt the SPI mode with water yield information communication to central processing unit; Display circuit directly drives demonstration by central processing unit, and voltage detecting circuit is for detection of cell voltage, if voltage shows without electrosemaphore lower than setting value; Wireless communication module has independently central processing unit, and wireless communication module adopts standard serial port to communicate by letter with the automatically controlled part central processing unit of gauging table.
3. heavy caliber Wireless communication type according to claim 1 divides body surface, it is characterized in that: the automatically controlled part of operation valve is comprised of central processing unit, valve controling circuit, radio-frequency card card reading circuit, power-supplying circuit, card reading circuit power control circuit, wireless communication module.Power supply is battery-powered by 14.4V, the card reading circuit power control circuit is connected to the corresponding pin of central processing unit, be used for the control to the card reading circuit power supply, card reading circuit is used for the external radio frequency card information through card reading circuit to central processing unit, the K of valve controling circuit, G control end be connected to central processing unit the response pin, the power supply of valve controling circuit is provided by the 14.4V electric battery, radio communication has independently central processing unit, and wireless communication module adopts standard serial port to communicate by letter with the automatically controlled part central processing unit of operation valve.
4. heavy caliber Wireless communication type according to claim 1 divides body surface, it is characterized in that: wireless communication module has independently central processing unit, wireless communication module is comprised of central processing unit, RF radio transmitting and receiving chip, signal sending circuit, signal receiving circuit, when wireless module receives information, the RF wireless signal receives the radio transmitting and receiving chip to RF through signal receiving circuit, and radio transmitting and receiving chip is received this signal and adopted the SPI mode to be communicated to central processing unit; When wireless module transmitted, central processing unit adopted the SPI mode to be communicated to the RF radio transmitting and receiving chip data message, and the RF radio transmitting and receiving chip is sent to outside receiving equipment with signal through transtation mission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104899239A CN103093599A (en) | 2012-11-27 | 2012-11-27 | Large-caliber wireless communication type split meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104899239A CN103093599A (en) | 2012-11-27 | 2012-11-27 | Large-caliber wireless communication type split meter |
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| CN103093599A true CN103093599A (en) | 2013-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238387A (en) * | 2018-09-17 | 2019-01-18 | 浙江威星智能仪表股份有限公司 | Wireless remote transmission ultrasonic water meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1866309A (en) * | 2006-01-25 | 2006-11-22 | 王耀 | Wireless split-type metering device |
| CN201527707U (en) * | 2009-10-21 | 2010-07-14 | 左晔 | Meter reading system based on IC-card wireless water meter |
| CN201993839U (en) * | 2011-02-24 | 2011-09-28 | 河南新天科技股份有限公司 | Large-diameter wireless ultrasonic heat meter and IC card controller |
| CN202383819U (en) * | 2011-12-31 | 2012-08-15 | 潍坊海纳尔电器有限公司 | Remote intelligent control management system for water meter |
| CN202434041U (en) * | 2012-01-10 | 2012-09-12 | 天津赛恩科技发展有限公司 | Large-caliber water meter wireless control system |
-
2012
- 2012-11-27 CN CN2012104899239A patent/CN103093599A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866309A (en) * | 2006-01-25 | 2006-11-22 | 王耀 | Wireless split-type metering device |
| CN201527707U (en) * | 2009-10-21 | 2010-07-14 | 左晔 | Meter reading system based on IC-card wireless water meter |
| CN201993839U (en) * | 2011-02-24 | 2011-09-28 | 河南新天科技股份有限公司 | Large-diameter wireless ultrasonic heat meter and IC card controller |
| CN202383819U (en) * | 2011-12-31 | 2012-08-15 | 潍坊海纳尔电器有限公司 | Remote intelligent control management system for water meter |
| CN202434041U (en) * | 2012-01-10 | 2012-09-12 | 天津赛恩科技发展有限公司 | Large-caliber water meter wireless control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238387A (en) * | 2018-09-17 | 2019-01-18 | 浙江威星智能仪表股份有限公司 | Wireless remote transmission ultrasonic water meter |
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Address after: High tech Zone of Henan city in Zhengzhou province 450001 pagoda Street No. 19 Applicant after: SUNTRONT TECHNOLOGY CO., LTD. Address before: High tech Zone of Henan city in Zhengzhou province 450001 pagoda Street No. 19 Applicant before: He'nan Suntront Tech. Co., Ltd. |
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Application publication date: 20130508 |