CN205920364U - Copy based on irDA water gauge and read ware - Google Patents
Copy based on irDA water gauge and read ware Download PDFInfo
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- CN205920364U CN205920364U CN201620812478.9U CN201620812478U CN205920364U CN 205920364 U CN205920364 U CN 205920364U CN 201620812478 U CN201620812478 U CN 201620812478U CN 205920364 U CN205920364 U CN 205920364U
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Abstract
The utility model provides a copy based on irDA water gauge and read ware mainly includes: the 12V battery, the power management, programmable controller, 485 the circuit of checking meter, the MBUS circuit of checking meter, the equipment of checking meter, water gauge group, irDA infrared interface, uart serial port communication, the 12V battery is connected with the power management, programmable controller is through uart serial port communication and 485 circuit and the MBUS circuit connection that check meter that check meter, 485 circuit and the MBUS of checking meter check meter circuit and water gauge group link, the equipment of checking meter carries out the complete machine communication through irDA infrared interface. This device adopts battery poweredly, and the consumption is lower, simple to operate has start automatic meter reading function, conveniently the personnel of checking meter, adopt irDA communication mode to need not the connection, the equipment contact need not when checking meter and checks meter.
Description
Technical field
This utility model is related to one kind and is based on irda water meter Copy and reading apparatus, can pass through irda infrared technique remote copying water meter
The equipment of water amount information, belongs to internet of things field.
Background technology
At present, intelligent telemetering water meter is popularized gradually, and various water meter Copy and reading apparatus also emerge in an endless stream on the market, but big on the market
Part water meter Copy and reading apparatus need mains-supplied and wiring for old residential area transform produce extreme difficulties, for for civil power also to water supply
Facility produces very big security threat.Mostly adopt rs232 and rs485 mechanics of communication in terms of communication interface, then need when checking meter
Connect data wire and easily cause interface damage to the long-time data wire that plugs of kilowatt meter recorder (pc or palmtop computer), if data wire is suitable
Sequence mistake or water meter Copy and reading apparatus fault easily cause kilowatt meter recorder to damage (pc or palmtop computer) or even threaten meter reading personnel's safety.
Also there is part then to adopt gprs mode remote transmission data, but gprs mode needs server support frame of constantly powering
Expense is than high maintenance inconvenience etc..
At aspect of checking meter, most of water meter Copy and reading apparatus manufacturers only support a kind of Special water meter agreement or support mdbus, state
Net 645, state's net 188 one of which cannot accomplish comprehensive compatibility.Most of water meter Copy and reading apparatus then adopt in terms of water meter interface
The one of which of rs485 and mbus cannot be realized compatible.Speed is checked meter on speed slowly checking meter, reaction is low, and efficiency is low.
Utility model content
For the problems referred to above, this utility model provides one kind and is based on irda water meter Copy and reading apparatus, its object is to: solves water
Table Copy and reading apparatus power supply safety aspect, communication interface and communication interface secure context, water meter agreement and interface compatibility, water meter copy reading
Speed.
Technical solution of the present utility model:
A kind of be based on irda water meter Copy and reading apparatus, specifically include that 12v battery, power management, Programmable Logic Controller (mcu),
485 check meter circuit, kilowatt meter recorder (pc or palmtop computer), water meter group, irda infrared interface, uart serial ports of circuit, mbus of checking meter lead to
News, 12v battery is connected with power management, and Programmable Logic Controller (mcu) is checked meter circuit and mbus by uart serial communication and 485
Circuit of checking meter connects, and 485 check meter circuit and mbus circuit of checking meter is connected with water meter group, and kilowatt meter recorder (pc or palmtop computer) passes through
Irda infrared interface carries out whole machine communication.
Its work that mainly more can coordinate between modules of described Programmable Logic Controller (mcu), adopts
Stm8s007c8t6 series low-power scm, using breathing out not 8 kernels of structure, operating frequency is up to 24mhz, built-in 64k
Flash, 6k ram and 128byte eeprom, abundant enhancing i/o port, 3.0 ~ 5.5v running voltage, 10 road adc, 3 16
Bit timing device, 18 bit timing device, ten adc samplings in piece.
Described mbus checks meter circuit, is mainly used in copying and accepting mbus type water meter；Power management adopts xl6009 boost chip
Conversion efficiency is up to 95%, wide-range input voltage, and high load capability is so as to boosting work is more stable；Mbus checks meter circuit also
Using the variable mu balanced circuit of lm317 and lm393 high accuracy comparator/operational amplifier composition, carried out by signal relay hfd31/5
Switching channel, it has, and sensitivity is high and speed of checking meter is high.
Described 485 check meter circuit, are mainly used in copying and accepting 485 type water meters, it adopts vp3082 unidirectional, half-duplex 485 chip
With esd protection circuit composition.
Described irda infrared interface, is mainly used in the communication between palmtop computer copy reading data of water meter group, irda infrared interface
Using tsop34138 infrared receiver and 38khz modulation circuit composition, can directly change into uart level to Programmable Logic Controller.
The beneficial effects of the utility model:
1st, this device is powered using battery, and power consumption is lower；
2nd, this installation's power source need not be powered, easy for installation；
3rd, this device has start automatic meter-reading, facilitates meter reading personnel；
4th, this device adopts irda communication modes without connection, need not contact with kilowatt meter recorder when checking meter；
5th, this device speed of checking meter is per minute up to 100 water meters；
6th, this device load capacity is strong, and each passage is up to 100 water meters；
7th, this device increases agreement flexibly, compatibility on the market all 485 and mbus water meter.
Brief description
Fig. 1: this utility model principle schematic diagram..
Wherein: 1, check meter circuit 5, mbus of 12v battery 2, power management 3, Programmable Logic Controller (mcu) 4,485 copies
Watch circuit 6, kilowatt meter recorder (pc or palmtop computer) 7, water meter group 8, irda infrared interface 9, uart serial communication.
Specific embodiment
Come with reference to the accompanying drawings and examples this utility model is described further:
Irda water meter Copy and reading apparatus as shown in Figure 1, specifically include that 12v battery 1, power management 2, Programmable Logic Controller
(mcu) 3,485 check meter circuit 4, mbus check meter circuit 5, kilowatt meter recorder (pc or palmtop computer) 6, water meter group 7, irda infrared interface
8th, uart serial communication 9.12v battery 1 is connected with power management 2 in sum, and Programmable Logic Controller (mcu) 3 is gone here and there by uart
Mouthful communication 9 checks meter circuit 4 with 485 and mbus checks meter, and circuit 5 is connected, and 485 check meter circuit 4 and mbus checks meter circuit 5 and water meter group 7
Connect, kilowatt meter recorder (pc or palmtop computer) 9 carries out whole machine communication by irda infrared interface 8.
1. Programmable Logic Controller (mcu) its mainly more can coordinate work between modules and adopt stm8s007c8t6 system
Row low-power scm, using breathing out not 8 kernels of structure, operating frequency is up to 24mhz, built-in 64k flash, 6k ram and
128byte eeprom, abundant enhancing i/o port, 3.0 ~ 5.5v running voltage, 10 road adc, 3 16 bit timing devices, 18
Bit timing device, ten adc samplings in piece.
2. mbus checks meter circuit, is mainly used in copying and accepting this new employing of mbus type water meter: power management adopts
Xl6009 boost chip conversion efficiency is up to 95%, wide-range input voltage, and high load capability is so as to boosting work is more stable.
Mbus checks meter circuit also using the variable mu balanced circuit of lm317 and lm393 high accuracy comparator/operational amplifier composition, by signal relay
Device hfd31/5 switches over passage, and it has, and sensitivity is high and speed of checking meter is high.
4. 485 check meter circuit, be mainly used in copying and accepting 485 type water meters, it adopts vp3082 unidirectional, half-duplex 485 chip
With esd protection circuit composition.
5. irda infrared interface, be mainly used in communication between palmtop computer copy reading data of water meter group it is characterised in that:
Irda infrared interface adopts tsop34138 infrared receiver and 38khz modulation circuit composition, and can directly change into uart level extremely can
Programmable controller.
In embodiment, 12v lithium battery is connected to the input of this installation's power source, water meter group is pressed interface type subchannel and accesses
This device.
The first address that this device need to be set by kilowatt meter recorder when using, according to the water meter number of water meter each water meter of group,
The information such as protocol type and channel number imports the data storage area of this device.Kilowatt meter recorder starts to send order of checking meter one by one, can
Programmable controller passes through data of water meter storehouse and selects different passages and agreement of checking meter to carry out copy reading water meter.Then automatic at the end of checking meter
Upload water meter information to verify to kilowatt meter recorder and preserve.Follow-up use, only need to connect battery, then start automatic data logging.Check meter
At the end of signal lighties light, then directly can use kilowatt meter recorder copy reading data of water meter.
This utility model reduces water meter Copy and reading apparatus oneself power consumption, is powered using 12v lithium battery, and communication interface adopts
Irda(infrared connection technology) interfacing, kilowatt meter recorder (pc or palmtop computer) need not use data wire kilowatt meter recorder (pc or palm
Machine) directly be aligned water meter Copy and reading apparatus can communicate.During communication, kilowatt meter recorder (pc or palmtop computer) need not contact water with meter reading personnel
Table Copy and reading apparatus can fundamentally solve safe thing.Agreement of checking meter can be supported soft by Programmable Logic Controller (mcu) realization
The self-editing agreement of part, can synchronously support state's net 645, state's net 188, mdbus etc., can add different associations according to different water meter manufacturers
View.This utility model designs two kinds of circuit of mbus and rs485 simultaneously, can compatible 485 and mbus interface water meter cooperation, and
And switching is responsible for by Programmable Logic Controller (mcu).This utility model adopts high-power booster circuit and highly sensitive amplifier more electric
Road cooperation Programmable Logic Controller (mcu) increases substantially speed of checking meter.
The above, be only preferred embodiment of the present utility model, not this utility model is made any formal
Restriction although this utility model is disclosed above with preferred embodiment, but be not limited to this utility model, any ripe
Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above
Hold and make a little Equivalent embodiments changing or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, according to technical spirit of the present utility model, within spirit of the present utility model and principle, what above example was made appoints
What simple modification, equivalent and improvement etc., all still fall within the protection domain of technical solutions of the utility model.
To sum up, this utility model accomplishes the end in view.
Claims (5)
1. a kind of be based on irda water meter Copy and reading apparatus, specifically include that 12v battery, power management, Programmable Logic Controller, 485 check meter
Circuit, mbus check meter circuit, kilowatt meter recorder, water meter group, irda infrared interface, uart serial communication, 12v battery and power management
Connect, Programmable Logic Controller passes through that uart serial communication checks meter circuit with 485 and mbus circuit of checking meter is connected, 485 check meter circuit
It is connected with water meter group with mbus circuit of checking meter, kilowatt meter recorder carries out whole machine communication by irda infrared interface.
2. according to claim 1 based on irda water meter Copy and reading apparatus it is characterised in that: it is main for described Programmable Logic Controller
The work between modules more can be coordinated, using stm8s007c8t6 series low-power scm, using in Kazakhstan not 8, structure
Core, operating frequency is up to 24mhz, built-in 64k flash, 6k ram and 128byte eeprom, abundant enhancing i/o end
Mouthful, 3.0 ~ 5.5v running voltage, 10 road adc, 3 16 bit timing devices, 18 bit timing device, ten adc samplings in piece.
3. according to claim 1 based on irda water meter Copy and reading apparatus it is characterised in that: described mbus checks meter circuit, mainly
For copying and accepting mbus type water meter；Power management is up to 95% using xl6009 boost chip conversion efficiency, wide scope input electricity
Pressure, high load capability is so as to boosting work is more stable；Mbus checks meter circuit also using the variable mu balanced circuit of lm317 and lm393 height
Precision comparison operational amplifier forms, and switches over passage by signal relay hfd31/5, and it has sensitivity height and speed of checking meter
Degree is high.
4. according to claim 1 based on irda water meter Copy and reading apparatus it is characterised in that: described 485 check meter circuit, main use
In copying and accepting 485 type water meters, it adopts vp3082 unidirectional, half-duplex 485 chip and esd protection circuit composition.
5. according to claim 1 based on irda water meter Copy and reading apparatus it is characterised in that: described irda infrared interface, mainly
For the communication between palmtop computer copy reading data of water meter group, irda infrared interface adopts tsop34138 infrared receiver and 38khz to adjust
Circuit composition processed, can directly change into uart level to Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620812478.9U CN205920364U (en) | 2016-07-29 | 2016-07-29 | Copy based on irDA water gauge and read ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620812478.9U CN205920364U (en) | 2016-07-29 | 2016-07-29 | Copy based on irDA water gauge and read ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920364U true CN205920364U (en) | 2017-02-01 |
Family
ID=57873146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620812478.9U Active CN205920364U (en) | 2016-07-29 | 2016-07-29 | Copy based on irDA water gauge and read ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920364U (en) |
-
2016
- 2016-07-29 CN CN201620812478.9U patent/CN205920364U/en active Active
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