CN209043432U - A kind of Ultrasonic water meter calibrating installation based on infrared communication - Google Patents
A kind of Ultrasonic water meter calibrating installation based on infrared communication Download PDFInfo
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- CN209043432U CN209043432U CN201822117745.2U CN201822117745U CN209043432U CN 209043432 U CN209043432 U CN 209043432U CN 201822117745 U CN201822117745 U CN 201822117745U CN 209043432 U CN209043432 U CN 209043432U
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- water meter
- ultrasonic water
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- infrared
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Abstract
The utility model discloses a kind of Ultrasonic water meter calibrating installation based on infrared communication.The utility model is used to calibrate while multiple Ultrasonic water meters, including traffic alignment experimental rig, multichannel infrared communication switching module, infrared pulse receiving module and infrared communication module.The infrared pulse receiving module is used to receive the integrated flux pulse signal that corresponding Ultrasonic water meter issues；The infrared communication module is used to carry out corresponding Ultrasonic water meter the setting of parameter and the amendment of error；The multichannel infrared communication switching module is connect with the traffic alignment experimental rig by RS485 communication line, for gating some Ultrasonic water meter to be calibrated.When producing Ultrasonic water meter in enormous quantities, using utility model device can the traffic alignment to Ultrasonic water meter can greatly shorten the calibration time, significantly improve the production efficiency of Ultrasonic water meter, almost realize the auto-calibration to Ultrasonic water meter.
Description
Technical field
The utility model belongs to flow measurement detection technique field, is related to a kind of Ultrasonic water meter calibration based on infrared communication
Device.
Background technique
Ultrasonic water meter is as a kind of New Type of Intelligent Instrument, with crushing is low, precision is high, measurement range is wide and reproducible
Advantage is gradually applied to the measuring water flow of large and medium-sized caliber.Still volumetric method is used to fill currently, most of productions produce house
Set, manual metering reading etc. traditional mechanical watch calibration mode.
For Ultrasonic water meter in batch production, traditional correction method is not only time-consuming and laborious, and inefficiency, technical level is low,
It also results in and the situation of measurement result inaccuracy occurs in measurement.Although part produces house and water meter calibrating installation is optimized
It is transformed, traffic alignment experiment is carried out using " start and stop " method in the watermeter flowing rate calibrating installation of part, but its flow adjustment process is slow
Slowly, flowed fluctuation is big, stability is poor, and it is not high to also result in measurement result precision." start and stop " are although subtraction unit efficiency specific volume area method
Device is high, but is still unable to satisfy the production calibrating of large batch of intelligence instrument.The water meter calibrating installation of family is produced now with part
Using " dual-time " mensuration.The principle of " dual-time " mensuration is the water meter calibration during assay calibration of Ultrasonic water meter
Device has water flow to pass through always, only need to change the standard scale pulse signal of water meter device with by the pulse signal of water gauge
Compare, the calculating of relative error can be completed.But use the device of " dual-time " during calibration, if necessary to super
The relevant parameter and error of sound water meter are configured, then need to change other processing modules and carry out relevant operation, mistake to it
Journey can also reduce the production efficiency of water meter.
Summary of the invention
The utility model the calibrating installation using " dual-time " method there are aiming at the problem that, propose a kind of there is infrared communication
With received Ultrasonic water meter calibrating installation.
The utility model technical solution adopted for solving the technical problem are as follows:
The utility model is used to calibrate while multiple Ultrasonic water meters, including traffic alignment experimental rig, multichannel are infrared logical
Interrogate switching module, infrared pulse receiving module and infrared communication module.
The infrared pulse receiving module is used to receive the integrated flux pulse signal that corresponding Ultrasonic water meter issues,
It is connect with the pulse counter of the traffic alignment experimental rig；The infrared communication module is used to corresponding ultrasonic water
Table carries out the setting of parameter and the amendment of error, is connect with the multichannel infrared communication switching module by serial ports；It is described
Multichannel infrared communication switching module connect with the traffic alignment experimental rig by RS485 communication line, for gating certain
A Ultrasonic water meter to be calibrated.
Furtherly, on the infrared pulse receiving module and the same module of infrared communication module integration packaging, it is used to
It is placed on the shell of corresponding Ultrasonic water meter.
The utility model has the beneficial effects that: utilizing utility model device pair when producing Ultrasonic water meter in enormous quantities
The traffic alignment of Ultrasonic water meter can greatly shorten the calibration time, significantly improve the production efficiency of Ultrasonic water meter, almost realize
To the auto-calibration of Ultrasonic water meter.When carrying out Ultrasonic water meter calibration experiments, pass through enabled multiple selector and table number address
It is matched, the parameter in multiple Ultrasonic water meters can be read out, calibrated and be modified respectively according to relative error size.Base
The full-automatic process of device is realized in the Ultrasonic water meter calibrating installation of infrared communication, improves production efficiency, can be met big
The production requirement of batch Ultrasonic water meter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is communication module circuit schematic；
Fig. 3 is infrared receiving circuit schematic diagram；
Fig. 4 is infrared communication circuit schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described.
The device of the utility model is mainly by traffic alignment experimental rig, multichannel infrared communication switching module, infrared pulse
Receiving module, infrared communication module composition.Infrared pulse receiving module is used to receive the integrated flux pulse of Ultrasonic water meter sending
Signal, infrared communication module are used to carry out Ultrasonic water meter the setting of relevant parameter and the amendment of error, and the two is in same electricity
In the module of road, and it can be fixed in plastic shell structure.Multichannel infrared communication switching module be used to multichannel infrared serial interface line into
Row switching, the setting of the automatic relevant parameter for realizing multichannel Ultrasonic water meter and error.Last multichannel infrared communication switching module is logical
485 communication modes are crossed to connect with traffic alignment experimental rig.Traffic alignment experimental rig is by switching mould to multichannel infrared communication
Block is controlled, and the Ultrasonic water meter on position does not carry out table number address matching on the same stage, can automatic order to the ginseng of Ultrasonic water meter
Number is read out and modifies, realize the traffic alignment of Ultrasonic water meter, the setting of relevant parameter, flow error it is modified full-automatic
Change process.
As shown in Figure 1, A1-A8 is Ultrasonic water meter；B1-B8 is infrared communication module and infrared pulse receiving module, difference
It is docked at the infra red communication port of Ultrasonic water meter A1-A8；C1-C8 is pulse signal transmission line, receives B1-B8 module hair respectively
The pulse signal sent;D1-D8 is infrared communication pulse signal, it can be achieved that host computer carries out correlative flow parameter to Ultrasonic water meter
Reading, calibration and modification；The pulse output signals of E1-E8 expression Ultrasonic water meter.Traffic alignment experimental rig and multichannel are infrared
Communication switching module is communicated by 485, realizes not the switching of Ultrasonic water meter on position on the same stage.
Infrared transmitting circuit when Ultrasonic water meter, which receives host computer order, enters calibration mode, in Ultrasonic water meter A1-A8
Integrated flux can be separately sent in a manner of pulse signal infrared pulse receiving module B1-B8.Infrared pulse receiving module
Pulse signal is sent in traffic alignment verifying attachment by+24v power supply line, signal wire and ground wire.To device flux experiment
After completion, phase is can be completed compared with carrying out conversion by the pulse signal of water gauge in the standard scale pulse signal of water meter device
Calculating to error.When needing to carry out error correction to Ultrasonic water meter, host computer passes through multichannel infrared communication switching module pair
A1-A8 Ultrasonic water meter on platform position carries out table number matching, and carries out the amendment of relevant parameter, realizes the full-automation of Ultrasonic water meter
Calibration process expends the time to greatly shorten, significantly improves the efficiency of calibrating water meter.
Fig. 2 is communication module circuit schematic, and single-chip microcontroller uses MSP430F449 chip, and module 1 is single-chip microcontroller minimum system
System.The end AVCC, the end DVCC of U1 is connect with one end of tantalum capacitor CD01, one end of capacitor C1, the end VCC；Tantalum capacitor CD01's is another
One end, capacitor C1 the other end be connected to ground.One end connection of one end, capacitor C2 of the R1 at the end RST and resistance of U1, is completed single
The reset function of piece machine；The other end of resistance R1 is connect with the end VCC, and the other end of capacitor C2 is connected to ground.The end XOUT of U1 with
One end connection of one end, capacitor C4 of crystal oscillator Y1；The end XIN of U1 is connect with one end of the other end of crystal oscillator Y1, capacitor C3；Capacitor
C4, capacitor C3 the other end be connected to ground.The end P1.0 of U1 is connect with one end of resistance R2.Module 2 is 485 communication modules.Its
In, the end TXD1 of RSM3485ECHT chip is connect with single-chip microcontroller P4.0；The end TXD2 is connect with single-chip microcontroller P4.1；The end COM and monolithic
Machine P4.3 connection；The end A and B is connect by USB-RS485 interconnecting module with host computer.Module 3 is switching switch module, multichannel choosing
S0, the S1 for selecting device 74HC4051 chip are connected with P3.1, P3.2 of single-chip microcontroller with P3.3 respectively with the end S2；The enable end of chip and
The P3.0 connection of single-chip microcontroller；Y0-Y7 is connected with the RX0-RX7 in U1-U8 module respectively；The end Z is simultaneously and in U1-U8 module
UTXD0 connection passes through the function of the achievable 8 way switch switching in enable end and the end S0-S2；GND and VEE ground connection.Module 4 is infrared
Communication module, the anode of diode D1 connect 3.3V power supply, and cathode is connected with 1 end of optocoupler T1 again by a resistance R2；Monolithic
The P2.4 of machine is connected with 4 ends of optocoupler T1；The 2 termination 5V power supplys of optocoupler T1；3 ends of optocoupler T1 and the ground level of triode G1 connect
It connects；The emitting stage of triode G1 is grounded, and collector connects UTXD0 and 5V power supply simultaneously.1 end of optocoupler T2 passes through resistance R3 and 3.3V
Power supply connection；1 end of optocoupler T2 is connected with the P2.5 of single-chip microcontroller again；2 ends of optocoupler T2 pass through the negative of resistance R4 and diode D2
Pole connection；The anode of diode D2 connects 5V power supply；The 3 termination URXD0 of optocoupler T2；4 ends of optocoupler T2 are grounded.
Fig. 3 is infrared receiving circuit schematic diagram, and infrared receiving diode uses PT204-6C, and PT204-6C is a kind of high
Speed, highly sensitive NPN silicon phototransistor.The anode of infrared receiving diode D1 and one end, the external 24V power supply of resistance R1
Connection；The negative terminal of infrared receiving diode D2 and one end of R2 connect；The base stage of triode T1 and the other end of R2 connect, T1's
The other end of collector and R1, the pulse output end PLUSE connection；The emitter of T1 is connected to ground.
Fig. 4 is infrared communication circuit schematic diagram, is divided into two modules.Module 5 is infrared communication receiving circuit module, three poles
Pipe T1 emitter is connect with the end V5.0, and base stage is connect with one end of resistance R1, and collector terminal is connect with one end of resistance R2.R1's
The other end is connect with the end URXD0 of module 4.The emitter of T2 is grounded, and the base stage of T2 and the other end of R2 connect, the collector of T2
End is connect with the negative terminal of infrared receiving diode D1；The anode of infrared receiving diode D1 is connect with the end V5.0.Infrared receiver two
Pole pipe selects PT204-6B.PT204-6B is with the high speed of standard φ 3mm encapsulated moulding and highly sensitive NPN silicon photoelectric crystal
Pipe.Module 6 is the transmit circuit of infrared communication, and the anode of infrared-emitting diode D2 is connect with the end V5.0, cathode and resistance R3
One end connection；The other end of resistance R3 is connect with the end UTXD0 of module 4.
Claims (2)
1. a kind of Ultrasonic water meter calibrating installation based on infrared communication, for multiple calibrations for receiving Ultrasonic water meter, including flow
Calibrating test device, multichannel infrared communication switching module, infrared pulse receiving module and infrared communication module, it is characterised in that:
The infrared pulse receiving module is used to receive the integrated flux pulse signal that corresponding Ultrasonic water meter issues；Described
Infrared pulse receiving module is connect with the pulse counter of the traffic alignment experimental rig；
The infrared communication module is used to carry out corresponding Ultrasonic water meter the setting of parameter and the amendment of error；Described
Infrared communication module is connect with the multichannel infrared communication switching module by serial ports；
The multichannel infrared communication switching module is connect with the traffic alignment experimental rig by RS485 communication line, is used
To gate some Ultrasonic water meter to be calibrated.
2. a kind of Ultrasonic water meter calibrating installation based on infrared communication according to claim 1, it is characterised in that: described
Infrared pulse receiving module and infrared communication module integration packaging on one module, for being placed on the shell of corresponding Ultrasonic water meter
On body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117745.2U CN209043432U (en) | 2018-12-17 | 2018-12-17 | A kind of Ultrasonic water meter calibrating installation based on infrared communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117745.2U CN209043432U (en) | 2018-12-17 | 2018-12-17 | A kind of Ultrasonic water meter calibrating installation based on infrared communication |
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| CN209043432U true CN209043432U (en) | 2019-06-28 |
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| CN201822117745.2U Active CN209043432U (en) | 2018-12-17 | 2018-12-17 | A kind of Ultrasonic water meter calibrating installation based on infrared communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763028A (en) * | 2020-12-23 | 2021-05-07 | 宁波泽联科技有限公司 | Intelligent meter calibration system and method for ultrasonic water meter |
-
2018
- 2018-12-17 CN CN201822117745.2U patent/CN209043432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763028A (en) * | 2020-12-23 | 2021-05-07 | 宁波泽联科技有限公司 | Intelligent meter calibration system and method for ultrasonic water meter |
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