CN201583300U - Converter of water resource metering interface - Google Patents
Converter of water resource metering interface Download PDFInfo
- Publication number
- CN201583300U CN201583300U CN2009202538719U CN200920253871U CN201583300U CN 201583300 U CN201583300 U CN 201583300U CN 2009202538719 U CN2009202538719 U CN 2009202538719U CN 200920253871 U CN200920253871 U CN 200920253871U CN 201583300 U CN201583300 U CN 201583300U
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Abstract
The utility model relates to a converter of a water resource metering interface, consisting of a circuit board and electronic elements assembled on the circuit board. The connecting structure of the converter is characterized in that a single-pulse interface unit, a dual-pulse interface unit, a three-pulse interface unit, an RS-232 interface unit A, an RS-485 interface unit A, an M-BUS interface unit, an Actaris Cyble sensor interface unit, a 4 to 20mA two-wire analog interface unit, a 0 to 20mA analog interface unit, a 0 to 10V analog quantity interface unit, a power supply management unit, an RS-232 interface unit B and an RS-485 interface unit B are independently connected with a micro-controller unit respectively; a battery is connected with the power supply management unit; and the power supply management unit is connected with all other units. The converter has the advantages of reducing the complexity of the meter monitoring system and realizing multi-service access in the flow measurement fields.
Description
One, technical field
The utility model relates to a kind of water resource metering interface convertor, and this converter can be changed the measured value of the multiple electronic device that is connected in its numerous input ports, and sends by its RS-232 interface and RS-485 interface.The utility model belongs to industry control instrument structure interconnection technique field.
Two, background technology
At present, continuous development along with observation and control technology, electronic device comes across water conservancy industry more and more continually, such as the instrument and the sensor of numerous types such as electromagnetic flowmeter, ultrasonic flow meter, ultrasound wave water meter, pulse water meter, monopulse sensor, dipulse sensor, three pulse transducers, direct-reading water meter.They are interconnected by different interface and collecting device, carry out data transmission and management.This just causes the appearance of three kinds of situations: 1, the interface owing to them has nothing in common with each other, and is of a great variety, causes the instrument of distinct interface or sensor must be equipped with different collection main frames.2, inconvenience inserts same measurement and control network to the instrument of distinct interface or sensor.3, since at present the interface of industrial communication equipment mainly based on RS-232 or RS-485 interface, such as, conventional GPRS data transmission unit, this equipment be the data transmission on the RS-232 to the GPRS wireless network, and finally arrive remote server.Like this, do not have the instrument of RS-232 interface or sensor can't be directly by the GPRS data transmission unit its data upload to remote server.
Though interface convertor is of a great variety in the market, still there be not the interface convertor of impulse type interface, yet unspecial simultaneously compound many interface convertors at water conservancy industry to RS-232 or RS-485 interface.
By above analysis as can be known, want to realize the access of multiple instrument and sensor, must on the interface of instrument or sensor, install various interface convertor additional, could realize that instrument networking monitoring or teledata report, this is difficult to realize problems such as networking or teledata report with regard to causing the networked devices kind too much to reach some instrument or sensor.
Three, summary of the invention
1, technical matters to be solved
The purpose of this utility model is to realize a kind of water resource metering interface convertor, this converter have can with multiple Common Instrument and the interconnected input port of sensor, be used to insert the instrument or the sensor of various distinct interfaces.This group input port comprises: monopulse interface unit, dipulse interface unit, three pulse interface units, RS-232 interface unit A, RS-485 interface unit A, M-BUS interface unit, love are opened up sharp Cyble sensor interface unit, 4～20mA two-wire system analog quantity interface unit, 0～20mA analog quantity interface unit, 0～10V analog quantity interface unit.
Wherein, the monopulse interface unit is used to connect monopulse sensor; The dipulse interface unit is used to connect the dipulse sensor; Three pulse interface units are used to connect three pulse transducers; RS-232 interface unit A is used to connect the RS-232 instrument; RS-485 interface unit A is used to connect the RS-485 instrument; The M-BUS interface unit is used to connect the M-BUS instrument; Liking to open up sharp Cyble sensor interface unit is used for connecting and likes to open up the sharp Cyble of company sensor water meter; 4～20mA two-wire system analog quantity interface unit is used to connect two-wire system 4～20mA output type instrument or sensor; 0～20mA analog quantity interface unit is used to connect three-wire system or four-wire system 0～20mA output type instrument and 4～20mA output type instrument; 0～10V analog quantity interface unit is used to connect three-wire system or four-wire system 0～10V output type instrument, 0～5V output type instrument and 1～5V output type instrument.This converter also has an industrial the most frequently used RS-232 interface and a RS-485 interface simultaneously, as its output port.The data of coming in from the input port collection send to standard RS-232 equipment by the RS-232 interface the output port, or send to the RS-485 network by the RS-485 interface in the output port.So just realize the unified conversion of multiple instrument and sensor and can easily insert measuring and controlling equipment or measurement and control network.
2, technical scheme
The utility model is made up of the electronic component of a circuit board and assembling thereon, and it divides by function and is made up of 15 unit.The syndeton of these unit is: monopulse interface unit, dipulse interface unit, three pulse interface units, RS-232 interface unit A, RS-485 interface unit A, M-BUS interface unit, love are opened up sharp Cyble sensor interface unit, 4～20mA two-wire system analog quantity interface unit, 0～20mA analog quantity interface unit, 0～10V analog quantity interface unit, Power Management Unit, RS-232 interface unit B and RS-485 interface unit B and are connected with micro controller unit separately respectively; Battery is connected with Power Management Unit; All unit of Power Management Unit and other are connected.
Battery is responsible for providing single power supply to complete machine.Electric power management circuit is the combined type power supply that converts different voltages of multichannel and power from the single power supply of battery to, and provides electric energy for corresponding circuit unit.Power Management Unit is also measured through the analog to digital converter that is input to micro controller unit after changing the voltage of battery to cell voltage simultaneously, in order to judge whether battery needs to change.Micro controller unit is the brain of complete machine, is responsible for carrying out embedded program.
The monopulse interface unit, the dipulse interface unit, three pulse interface units, RS-232 interface unit A, RS-485 interface unit A, the M-BUS interface unit, like to open up sharp Cyble sensor interface unit, 4～20mA two-wire system analog quantity interface unit, 0～20mA analog quantity interface unit, 0～10V analog quantity interface unit is connected with instrument or sensor as input port, the analog signals of being responsible for the analog interface of instrument or sensor is sent here is converted to the data that micro controller unit can be handled, the pulsed quantity signal that the pulse interface of instrument or sensor is sent here adds up or repeated subtraction to the primary data that is stored in micro controller unit in advance by micro controller unit according to the signal instructions of instrument or sensor, and the Frame that the Interface for digital communication of instrument or sensor is sent here is temporary in the micro controller unit.
RS-232 interface unit B, RS-485 interface unit B are output ports.The RS-232 interface unit B is communicated by letter with outside RS-232 devices interconnect.RS-485 interface unit B can with the outside RS-485 network interconnection.The instrument and the sensing data of coming in by the input port collection like this and passing through after micro controller unit is handled just can output to RS-232 equipment by the RS-232 interface unit B, or output to the RS-485 network by RS-485 interface unit B.
In this equipment work process, micro controller unit is mainly carried out following task: 1, the quantity that monopulse interface unit, dipulse interface unit, three pulse interface units and love are opened up the pulse that sharp Cyble sensor interface unit transmits adds up according to respective rule or tired subtracting, and sends by RS-232 interface unit B and RS-485 interface unit B as required; 2, micro controller unit is temporary in the Frame that obtains from RS-232 interface unit A, RS-485 interface unit A, M-BUS interface unit its inner memory, and sends by RS-232 interface unit B and RS-485 interface unit B as required; 3, the analog/digital converter of the analog sampling signal that comes from 4～20mA two-wire system analog quantity interface unit, 0～20mA analog quantity interface unit and 0～10V analog quantity interface unit by micro controller unit inside converted to data, and send by RS-232 interface unit B and RS-485 interface unit B as required.
3, advantage of the present utility model
(1), input port of the present utility model comprises 10 kinds of Common Instrument or sensor interface, can connect different Common Instrument or sensor.Can finish the conversion of multiple instrument and sensor interface by an equipment, reduce the complicacy of instrument monitoring system to RS-232 interface and RS-485 interface.
(2), the utility model has abundant flow industry instrument and sensor interface.The multi-service that can realize the flow measurement field inserts, and the unified RS-232 that converts to is respectively applied for the RS-485 signal and is connected RS-232 equipment and RS-485 bus.Such as: the monopulse sensor of water meter can insert the monopulse interface unit, direct-reading water meter commonly used can insert the M-BUS interface unit, ultrasonic flow meter commonly used can insert RS-485 interface unit A, like to open up sharp Cyble sensor water meter and can insert and like to open up sharp Cyble sensor interface unit, power station commonly used ammeter can connect RS-232 interface unit or the like.Like this, the various instrument of flow industry and sensor can both be linked RS-232 equipment or same RS-485 network by the utility model substantially
Four, description of drawings
Fig. 1 is that circuit module of the present utility model connects block diagram.
Five, embodiment
See Fig. 1, the utility model is made up of the electronic component of a circuit board and assembling thereon, and the syndeton of this electronic component is: monopulse interface unit 1, dipulse interface unit 2, three pulse interface units 3, RS-232 interface unit A4, RS-485 interface unit A5, M-BUS interface unit 6, like to open up sharp Cyble sensor interface unit 7,4～20mA two-wire system analog quantity interface unit 8,0～20mA analog quantity interface unit 9,0～10V analog quantity interface unit 10, Power Management Unit 13, RS-232 interface unit B 14, RS-485 interface unit B 15 is connected with micro controller unit 11 separately respectively; Battery 12 is connected with Power Management Unit 13; All unit of Power Management Unit 13 and other are connected.
1, micro controller unit 11 comprises 8 of low-power consumption or 16 single-chip microcomputers and relevant minimum system circuit thereof, requires this single-chip microcomputer to have the high-precision adc of 10 above resolution.
2, Power Management Unit 12 is made up of DC/DC switching power source chip, linear voltage regulator chip and peripheral circuit thereof.
3, battery adopts high capacity high energy lithium Ammonium battery.
4, RS-232 interface unit A 4 and RS-232 interface unit B 14 comprise conversion chip and the peripheral circuit composition thereof of a TTL signal to the RS-232 signal.
5, RS-485 interface unit A 5 and RS-485 interface unit B 15 comprise conversion chip and the peripheral circuit composition thereof of a TTL signal to the RS-485 signal.
6, the collection and the sample circuit of 4～20mA two-wire system analog quantity interface unit 8,0～20mA analog quantity interface unit 9,10 3 each self-contained analog quantitys of unit of 0～10V analog quantity interface unit, and the input port of the sampled signal line being linked the AD converter of micro controller unit 11.External meters is returned or sensor provides corresponding direct supply in these three unit simultaneously.
Claims (1)
1. a water resource is measured interface convertor, it is characterized in that, electronic component by a circuit board and assembling is thereon formed, it divides by function and is made up of 15 unit, and the syndeton of these unit is: the monopulse interface unit, the dipulse interface unit, three pulse interface units, RS-232 interface unit A, RS-485 interface unit A, the M-BUS interface unit, like to open up sharp Cyble sensor interface unit, 4～20mA two-wire system analog quantity interface unit, 0～20mA analog quantity interface unit, 0～10V analog quantity interface unit, Power Management Unit, RS-232 interface unit B and RS-485 interface unit B are connected with micro controller unit separately respectively; Battery is connected with Power Management Unit; All unit of Power Management Unit and other are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202538719U CN201583300U (en) | 2009-12-10 | 2009-12-10 | Converter of water resource metering interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202538719U CN201583300U (en) | 2009-12-10 | 2009-12-10 | Converter of water resource metering interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583300U true CN201583300U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202538719U Expired - Fee Related CN201583300U (en) | 2009-12-10 | 2009-12-10 | Converter of water resource metering interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201583300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881149A (en) * | 2012-10-18 | 2013-01-16 | 天津市金硕科技投资集团有限公司 | Remote meter reading system for MBUS (Material Business Units) interface heating meter and pulse interface water meter |
-
2009
- 2009-12-10 CN CN2009202538719U patent/CN201583300U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881149A (en) * | 2012-10-18 | 2013-01-16 | 天津市金硕科技投资集团有限公司 | Remote meter reading system for MBUS (Material Business Units) interface heating meter and pulse interface water meter |
| CN102881149B (en) * | 2012-10-18 | 2014-07-02 | 天津金硕信息科技集团股份有限公司 | Remote meter reading system for MBUS (Material Business Units) interface heating meter and pulse interface water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20181210 |