CN201765008U - Low power consumption network intelligent water meter head - Google Patents
Low power consumption network intelligent water meter head Download PDFInfo
- Publication number
- CN201765008U CN201765008U CN201020507462XU CN201020507462U CN201765008U CN 201765008 U CN201765008 U CN 201765008U CN 201020507462X U CN201020507462X U CN 201020507462XU CN 201020507462 U CN201020507462 U CN 201020507462U CN 201765008 U CN201765008 U CN 201765008U
- Authority
- CN
- China
- Prior art keywords
- module
- power
- circuit
- water meter
- communications
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model belongs to a network intelligent water meter head which comprises a meter head shell, a flow sensor and a flow control system, wherein the meter head shell is provided with a water inlet and a water outlet; and the flow control system comprises a microprocessor, a power supply which is connected with the microprocessor and is provided with a low battery alarm circuit and a control module thereof, a flow data acquisition module, an intermittent-type display unit module, a trigger communication and a data transmission module and a reset module. The utility model respectively adopts the low power consumption trigger communication transmission and remote power supply and the intermittent-type display modes to effectively reduce the power consumption of the meter head, and ensures the reliability and stability through the low battery alarm and the anti-magnetic interference function. Therefore, the network intelligent water meter head has the characteristics of measuring and displaying of the water consumption, accurate remote meter reading, lower power consumption of the meter head, long service life and working time of a battery, simple structure of the meter head and convenient maintenance, and the water meter head can meet the requirement of the all-weather communication and remote meter reading and is beneficial to further improving the promotion and application of the network intelligent water meter.
Description
Technical field
The utility model belongs to a kind of traffic figure water meter gauge outfit with remote meter-reading function, not only can the measuring flow of particularly a kind of micro embedded digital control circuit support, but also can carry out low power-consumption intelligent (numeral) the formula water meter gauge outfit of remote meter reading.This gauge outfit be particularly suitable for and require the long period need not change the network of rivers water system of battery supporting, be used for water consumption to the user and write down and send record data to management (charge) department by network and handle.
Background technology
In recent years, along with electronic technology, the development of the communication technology and sensing technology, people develop a series of new-type network intellectual water meters, these surveying instruments obtain flow information of water by various types of sensors, again the electric signal with sensor output amplify, shaping and processing, numeral shows or submits water consumption information to by network then.To be CN201035737Y, denomination of invention put down in writing for the patent documentation of " charge on traffic table digital telemetering kilowatt meter reading-out system " notification number promptly is this type of technology; This patented technology comprises: image acquisition and preprocessing part, digital signal processing part, data memory module, display part, this technology is owing to adopt acquisition technology and adopt DSP to deal with device, show by LED is long, its power consumption is big, need the frequent battery of changing, defective such as be not easy to work in a long time stablely; Disclose a kind of comprising and be CN101526370A, denomination of invention at publication number for the patent documentation of " remote-control intelligent water meter ": be provided with the base table of electromechanical valve and the CPU that is connected with base table, the water source is imported and exported, the counting tongue tube reaches and CPU carries out the remote controllers of data transmission; This technology adopts tongue tube to make sensor, combine with CPU by the RS485 bus water yield data and the water information of water meter are carried out query processing, Long-distance Control, and its counting precision and interference resistance are all relatively poor, and circuit complexity, communication module power consumption are higher; Adopt powered battery, low electric weight warning function is not provided again, the one, if the battery of water meter terminal is used up, new water consumption will not be recorded; The 2nd, maintenance workload and investigation difficulty are big; In addition, because the gauge outfit working environment is complicated, this system is not provided with protection and removes the device that disturbs in addition, and electromagnetism etc. disturbs frequently under moist, thunderstorm weather conditions, and in use tending to tables look-up makes mistakes or the situation of wrong diagnosis water.Thereby above-mentioned technology exists circuit and complex structure, the short and safeguard function that do not have that low electric weight is reported to the police and electromagnetism and thunderbolt are disturbed etc. of power consumption height, stable operation cycle, and the water consumption of thereupon bringing is not recorded or wrong diagnosis water, the defective such as make mistakes of tabling look-up.
Summary of the invention
The purpose of this utility model is the defective that exists at background technology, a kind of header of low-power-consumption network intelligent water meter of research and design, accurately measuring, showing water consumption, when realizing remote meter reading, can adopt communications mode, the display of low-power consumption to be interrupted display mode, and set up the function that low battery electric quantity is reported to the police and prevented electromagnetic interference (EMI); Thereby reach the power consumption that reduces the water meter gauge outfit significantly, effectively prolong the serviceable life and the time of battery in the digital water meter gauge outfit, improve the stability and the reliability of gauge outfit work, simplify gauge head structure, help further improving purposes such as applying of intelligent network watermeter.
Solution of the present utility model be cancellation be located at electromechanical valve in the base table in the background technology, to simplify gauge head structure and to eliminate the hidden danger of wrong diagnosis water; At intelligence (numeral) formula network water meter power consumption the best part, mostly be data communication units, display unit and microprocessing unit, and conventional gauge outfit is all in running order in free time of most of count measurement, communication channel free time, display also is in long show state, and this is the combined symptoms place of the high power consumption of this type of gauge outfit.The utility model adopts the communications mode of low-power consumption, promptly communication module adopts the form of remote power feeding when communication starts, adopt the mode that under the data hold mode, is low-power consumption at microprocessor portion, only then adopt tabling look-up and showing (all the other times do not show) and the reliable clearance-type display mode of clear display during calibration (setting), to overcome the high drawback of background technology power consumption the display part; In power supply and control module thereof, set up the low electric weight warning circuit of battery, and in the communications and data transport module, set up anti-electromagnetic interference (EMI) circuit, stable, reliable to guarantee communication; The utility model is promptly realized its goal of the invention with this.Thereby the utility model water meter gauge outfit comprise bring into, the gauge outfit housing of water delivering orifice, be located at the flow sensor at housing inner flow passage center, contain microprocessor and the power supply that is attached thereto and control module thereof, flow data collector module, display unit module, communications and data transport module at interior process control system, key is that also being provided with resets module is set in process control system; And in power supply and control module, also be provided with low electric weight warning circuit, in the communications and data transport module, be provided with anti-electromagnetic interference (EMI) circuit; And described communications and data transport module is a trigger-type communications and data transport module, and the display unit module is a clearance-type display unit module; In the process control system: microprocessor is connected with flow data collector module, display unit module, communications and data transport module respectively by data line, be connected with power supply and control module thereof, reset processing module respectively by lead, and the flow data collector module is connected with flow sensor by data line, and power supply and control module thereof also are connected directly to provide power supply to it with the display unit module by lead; Enclosure-type was fixed in the top and the cavity between the gauge outfit form of flow sensor in the housing after a whole set of process control system was fixed on the substrate, then drew outside the housing through communications and data transport module interface with signal wire for remote meter reading.
Above-mentioned microprocessor is the little processing of MCU (control) device or CPU microprocessor.Described reset processing module comprises reset chip and supporting with it JTAGE socket composition.The trigger-type communications and data transport module of described trigger-type communications and data transport module for after receiving remote control commands, just starting, the working power of this communications and data transport module when the work of triggering adopts the external power remote power feeding or by the powered battery in the control system, its electric source line interface is located at outside the housing when adopting the external power remote power feeding.And described clearance-type display unit module is for only tabling look-up and calibration shows the module of (work) when being provided with.Described low battery electric quantity warning circuit adopts little electric weight threshold values comparator circuit, and this circuit is connected between power supply and control circuit and the power supply of microprocessor disappearance pin.Described anti-electromagnetic interference (EMI) circuit adopts the anti-signal reflex circuit and the protecting against shock circuit of schottky diode to form by comprising.
The utility model is because at intelligence (numeral) formula water meter gauge outfit power consumption the best part, mostly be data communication units, display unit and microprocessing unit, and conventional gauge outfit all is in the duty of highly energy-consuming in free time, (inoperative) time communication channel free time of most of count measurement, display also is in long show state, is the high combined symptoms of its power consumption; The utility model adopts the trigger-type communications of low-power consumption and remote power feeding, clearance-type display mode respectively, make system on one's own time Duan Jun be in treat duty, with the power consumption of effective reduction gauge outfit, and by low electric weight warning function, antimagnetic interference function are set, guarantee the reliability and stability of its work, compare with background technology, under identical condition of work the power consumption of the utility model gauge outfit only for its 10-25%, under the condition of same battery power supply, the utility model gauge outfit is not changed the effective storage life of battery can be long more than 3 times than background technology; And in the communications and data transport module, set up anti-electromagnetic interference (EMI) circuit, stable, reliable to guarantee communication, and can satisfy round-the-clock communicating requirement; Set up the reset processing functional module, not only can be convenient to primary data setting, but also the calibration operation that can be after this provide convenience.Thereby, the utlity model has and guaranteeing accurately measurement and showing on the basis of water consumption, realization remote meter reading, reduce the power consumption of gauge outfit significantly, effectively prolonged the serviceable life and the working time of battery in the digital water meter gauge outfit, gauge outfit working stability, reliable, simple in structure, easy to maintenance, and can satisfy round-the-clock communication and remote meter reading requirement, help further improving characteristics such as applying of intelligent network watermeter.
Description of drawings
Fig. 1 is the utility model process control system electrical block diagram (block scheme);
Fig. 2 is the utility model embodiment process control system board structure synoptic diagram (block scheme);
Fig. 3 is the utility model embodiment process control system circuit diagram.
Among the figure: 1. microprocessor, 2. flow data collector module, 3. communications and data transport module, 3-1. communication control chip, 3-2. prevent the electromagnetic interference (EMI) circuit, 4. display unit module, 5. reset processing module, 6. power supply and control module thereof, 6-1. powered battery control circuit, 6-2. external power supply and controlling circuit of voltage regulation thereof, the conventional mu balanced circuit of 6-3..
Embodiment
Microprocessor 1: it is the MCU microprocessor of MSP430FE4232 that present embodiment adopts the model that carries storage unit, curable microcontroller program, humble power consumption;
Flow data collector module 2: form by conventional sensors signal acquisition circuit and plastic filter circuit, circuit input end J11 accepts the signal from (flow) sensor, behind plastic filter circuit, be connected to the external input port WGIO1 and the WGIO2 of microprocessor 1;
Communications and data transport module 3: comprise that model is the U21 communication control chip 3-1 of max3471 and the anti-electromagnetic interference (EMI) circuit 3-2 that is made up of ceramic gas discharge tube and schottky diode respectively, its input is external by interface J21; Control chip U21 is a kind of RS485 Data Transmission Controlling chip, two input ends of this chip (A, B end) are accepted the output terminal from anti-electromagnetic interference (EMI) circuit, its output terminal is connected to RXD, TXD, the R/D end of microcontroller MCU respectively, transmits as data transmission or control signal; And prevent electromagnetic interference (EMI) circuit 3-2 when data are read in and transmit, the RS485 communication line can prevent effectively that (D23) transient state punctures ground connection to the BA301N ceramic gas discharge tube for D21, D22, can protect the communication line signal stabilization like this if overvoltage voltage occurs disturbing; If overcurrent appears in communication line, (D24 D25) with temperature rising auto-cutout, treats the recovery conducting of the normal back of temperature retrieval to PTC from recovering the temperature-sensitive fuse; Can guarantee the safety of water meter terminating circuit by such mode, improve the antijamming capability of water meter terminating circuit; (D28) match circuit can effectively stop the interference of signal reflex generation, can effectively reduce the energy consumption of this functional module again for D26, D27 being made up of schottky diode of connecting in control chip (3-1) terminal; The present embodiment parameter is set to: when A, B line voltage difference＞=-during 50mV, be expressed as 1 on the communication logic, when A, B line voltage difference＜=450mV, be expressed as 0 on the communication logic.The communication protocol of such communication mode before can not only be compatible also can greatly reduce communication power consumption, and wherein: D21, D22, D23 model are BA301N), D24, D25 are the PTC thermistor, D26, D27, D28 are two-way transient state diode;
Display unit module 4: adopting model is the extremely low power dissipation LCD display part of LCM826B, directly drive by MCU, present embodiment only will reset in gauge outfit, (being in) show state is set in debugging and the calibration process, and all the other times all are in the holding state that does not show (under the battery saving mode), this device is 4 μ A (representative value), next less than 1 μ A at holding state under display working condition, thereby has greatly reduced the digital water meter power consumption;
Reset processing module 2: by model is that reset chip and the supporting with it model of U51 is that the socket of J61JTAGE is formed, and its function is to test or microprocessor MCU is resetted during initialization in gauge outfit, and reset signal is connected to the reset terminal RST/NMI of MCU; The reset signal that reset operation produces inspires MCU and resets, and carries out initialize routine, control program can be write among the microprocessor MCU again by the J61JTAGE socket;
Power supply and control module 6: the present embodiment energy supply control module comprises powered battery control circuit 6-1, external power supply Voltage Stability Control circuit 6-2 and conventional mu balanced circuit module 6-3 three parts; Wherein: battery feed circuit 6-1 is made up of comparator circuit, battery is connected to socket J71 place, by voltage end VCC microprocessor MCU etc. is powered, simultaneously, this circuit is monitored cell voltage, by the voltage detecting line insert microprocessor MCU voltage detecting pin (SVS), detect cell voltage, when detecting cell voltage and be lower than warning line, microprocessor MCU gives a warning by communications and data transport module 3; External power supply and controlling circuit of voltage regulation 6-2 thereof, this real mode adopts the Voltreg chip, passes through the power lead (or other external direct current power supplies) that interface J73 introduces RS485, and is connected the switching of carrying out battery and external power supply by lead-in wire with the Power INT line of microprocessor MCU; Simultaneously in communication and the data transmission module 3. communication control chip 3-1 powers; The chip that conventional mu balanced circuit 6-3 employing model is HT7533 is to stablize the voltage of input microprocessor MCU.
After the described gauge outfit of present embodiment was connected in the pipe network in use, in the usual way, its using method was:
1.0: operating sensor: behind the water valve opening, current drive operating sensor and delivery rate data-signal;
1.1: microprocessor starts: the flow data collector module collects by the data-signal and the input microprocessor of step 1.0 output, triggers its work, when the enabling counting clock unit is counted, changes, write down and stores, all the other modules are maintained treat duty;
1.2: sensor is out of service: behind the water valve closing, sensor is out of service, the output signal of flow data collector module is interrupted, and microprocessor cuts out the counting clock unit; At this moment, the whole gauge outfit that comprises process control system changes over to and treats duty 4.0;
2.0: when remote control commands is sent:
2.1: the communications and data transport module when receiving remote control commands, activation of microprocessor is with control communications and data transport module executive communication or data transfer task, and all the other modules are maintained treat duty;
2.2: after step 2.1 is finished communication or data transfer task, the work of microprocessor interrupt communication and data transmission module, at this moment, the whole gauge outfit that comprises process control system changes over to again treats duty 4.0;
3.0: low electric weight is reported to the police:
3.1: when the battery in the control system enters low state of charge, low electric weight warning circuit output alarm signal, open communication unit in the communications and data transport module, send low electric weight caution signal to remote control terminal through microprocessor;
3.2: when step 3.1 will hang down the electric weight caution signal send finish after, microprocessor changes whole gauge outfit over to and treats duty 4.0;
4.0: gauge outfit enters treats duty: when sensor and whole process control system were in the working clearance, whole process control system entered the duty for the treatment of of lowest power consumption.
Claims (7)
1. header of low-power-consumption network intelligent water meter, comprise bring into, the gauge outfit housing of water delivering orifice, be located at the flow sensor at housing inner flow passage center, contain microprocessor and the power supply that is attached thereto and control module thereof, flow data collector module, display unit module, communications and data transport module at interior process control system, it is characterized in that also being provided with resets module is set in process control system; And in power supply and control module, also be provided with low electric weight warning circuit, in the communications and data transport module, be provided with anti-electromagnetic interference (EMI) circuit; And described communications and data transport module is a trigger-type communications and data transport module, and the display unit module is a clearance-type display unit module; In the process control system: microprocessor is connected with flow data collector module, display unit module, communications and data transport module respectively by data line, be connected with power supply and control module thereof, reset processing module respectively by lead, and the flow data collector module is connected with flow sensor by data line, and power supply and control module thereof also are connected directly to provide power supply to it with the display unit module by lead; Enclosure-type was fixed in the top and the cavity between the gauge outfit form of flow sensor in the housing after a whole set of process control system was fixed on the substrate, then drew outside the housing through communications and data transport module interface with signal wire for remote meter reading.
2. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that described microprocessor is MCU microprocessor or CPU microprocessor.
3. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that described reset processing module comprises reset chip and supporting with it JTAGE socket composition.
4. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that the trigger-type communications and data transport module of described trigger-type communications and data transport module for after receiving remote control commands, just starting, the working power of this communications and data transport module when the work of triggering adopts the external power remote power feeding or by the powered battery in the control system, its electric source line interface is located at outside the housing when adopting the external power remote power feeding.
5. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that described clearance-type display unit module is for only in the module of tabling look-up and calibration shows when being provided with.
6. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that described low battery electric quantity warning circuit adopts little electric weight threshold values comparator circuit, this circuit is connected between power supply and control circuit and the power supply of microprocessor disappearance pin.
7. by the described header of low-power-consumption network intelligent water meter of claim 1, it is characterized in that described anti-electromagnetic interference (EMI) circuit adopts the anti-signal reflex circuit and the protecting against shock circuit of schottky diode to form by comprising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020507462XU CN201765008U (en) | 2010-08-27 | 2010-08-27 | Low power consumption network intelligent water meter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020507462XU CN201765008U (en) | 2010-08-27 | 2010-08-27 | Low power consumption network intelligent water meter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201765008U true CN201765008U (en) | 2011-03-16 |
Family
ID=43717616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020507462XU Expired - Fee Related CN201765008U (en) | 2010-08-27 | 2010-08-27 | Low power consumption network intelligent water meter head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201765008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915598A (en) * | 2010-08-27 | 2010-12-15 | 成都品冠科技有限公司 | Header of low-power-consumption network intelligent water meter and application method thereof |
| CN107993358A (en) * | 2017-11-22 | 2018-05-04 | 朱秋华 | A kind of intellectual water meter |
-
2010
- 2010-08-27 CN CN201020507462XU patent/CN201765008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915598A (en) * | 2010-08-27 | 2010-12-15 | 成都品冠科技有限公司 | Header of low-power-consumption network intelligent water meter and application method thereof |
| CN101915598B (en) * | 2010-08-27 | 2016-04-06 | 成都品冠科技有限公司 | A kind of header of low-power-consumption network intelligent water meter and using method thereof |
| CN107993358A (en) * | 2017-11-22 | 2018-05-04 | 朱秋华 | A kind of intellectual water meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101915598B (en) | A kind of header of low-power-consumption network intelligent water meter and using method thereof | |
| CN106781054B (en) | A kind of low power-consumption intelligent IC Card Water-Instrument system | |
| CN205038248U (en) | Sub - temperature of band edge detects ammeter of function | |
| CN201765008U (en) | Low power consumption network intelligent water meter head | |
| CN103258411B (en) | Intelligent water meter reading system based on GPRS technology | |
| CN204359448U (en) | A kind of multifunction multipath temperature monitoring | |
| CN206575226U (en) | Intelligent power distribution unit monitoring device | |
| CN205809617U (en) | A kind of battery is powered Micro Energy Lose RTU | |
| CN204287523U (en) | A kind of weather monitoring instrument with dust concentration monitoring function | |
| CN205958051U (en) | Thing networking flow volume correction appearance | |
| CN203177989U (en) | Multi-channel temperature acquisition system based on temperature detection circuit | |
| CN206946340U (en) | Poultry farming green house temperature-humidity TT＆C system | |
| CN108007506A (en) | A kind of data acquisition device of solar power system | |
| CN207280549U (en) | A kind of long-range monitoring alarm of reservoir level | |
| CN204389714U (en) | A kind of weather monitoring instrument realizing Temperature and Humidity based on SHT2X chip | |
| CN102540931A (en) | Intelligent burst-proof control system for pipeline | |
| CN207166168U (en) | A kind of battery management system of low-power consumption | |
| CN102289924B (en) | Temperature measurement device for overhead power transmission line | |
| CN203759479U (en) | Passive meter reading counting device | |
| CN205722372U (en) | Wireless intelligent gas kilowatt meter reading-out system | |
| CN205484163U (en) | Smoke signal measuring circuit of prepackage type transformer substation | |
| CN104655218A (en) | Safety cut-out type intelligent gas meter with self learning function | |
| CN220043581U (en) | Water meter circuit adopting NB communication and water meter | |
| CN104424788A (en) | Remote intelligent water meter reading system based on wireless network technology | |
| CN204331912U (en) | Intelligent gas meter |
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 |
Granted publication date: 20110316 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |