CN202393466U - Device for calibrating and testing full-automatic serial belt pressure-resistant water meters - Google Patents

Device for calibrating and testing full-automatic serial belt pressure-resistant water meters Download PDF

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Publication number
CN202393466U
CN202393466U CN2011205379707U CN201120537970U CN202393466U CN 202393466 U CN202393466 U CN 202393466U CN 2011205379707 U CN2011205379707 U CN 2011205379707U CN 201120537970 U CN201120537970 U CN 201120537970U CN 202393466 U CN202393466 U CN 202393466U
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China
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water
test
pipeline
solenoid valve
water meter
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CN2011205379707U
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谈晓彬
吴小青
陈泽远
吴辰
丁刚
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JIANGSU UNICHO INTELLIGENT TECH Co Ltd
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JIANGSU UNICHO INTELLIGENT TECH Co Ltd
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Abstract

The utility model discloses a device for calibrating and testing full-automatic serial belt pressure-resistant water meters. The device comprises a basic water meter testing mechanism, flow counting mechanisms, a metering mechanism, a pipeline and an operating system, wherein the basic water meter testing mechanism comprises a plurality of testing straight pipe sections and a testing pipe section formed by serially connecting a plurality of water meters to be tested; each water meter to be tested corresponds to each flow counting mechanism; the metering mechanism comprises electronic weighing equipment and a working container; water is guided into the working container from the tail end of the testing pipe section through the pipeline; and the operating system is in two-way and electric connection with the flow counting mechanisms and the electronic weighing equipment. Device for calibrating and testing the full-automatic serial belt pressure resistant water meters realizes full-automatic water meter calibration by combining the remote control of a computer with the in-situ control of a programmable logic controller (PLC) or by a single chip control mechanism mainly based on an embedded system; and compared with the traditional method for calibrating the water meters, the device for calibrating and testing the full-automatic serial belt pressure resistant water meters is capable of greatly improving the use efficiency, shortening the time for calibrating the water meters and substantially improving the work efficiency of calibrating workers on the premise of ensuring measuring precision and eliminating personal errors.

Description

The fully-automatic series band is withstand voltage water meter verification calibrating installation
Technical field
The utility model relates to the withstand voltage water meter verification of fully-automatic series band calibrating installation.
Background technology
Water meter is widely used in industries such as tap water, heating power, chemical industry, and the enterprise or the metrological service that produce water meter need carry out the performance calibrating to the rules that the error of indication of these water meters is formulated according to relevant departments.The national metrological verification regulations regulation must be carried out three flow point tolerance calibratings such as nominal flow rate, boundary flow, minimum flow to water meter.Adopt manual static start and stop volume relative method at present mostly; The testing person needs manual three switching discharges; Read for four times by the water gauge registration and carry out standard measuring device liquid level gauge water level for three times and read; These data of manual record also calculate various errors, and manual again calibrating data input computer is convenient to file, inquires about and printed.The testing person needs the operation of real-time control verification device in the whole verification process; With 20mm bore water meter new standard calibration; One car water meter (7 water meters) calibrating needs 45 minutes consuming time; The artificial valve-off that when reading various registration, needs is waited for liquid level stabilizing in the standard capacity measure, the stability in these start and stop stages, the parallax error of level readings, all will be influenced the calibration precision by water gauge indicating graduation resolution and artificial origin.Numerous defectives such as the workload that this calibrating mode exists is big, efficient is low, precision is low, personal error is big, verification result is not objective are obvious.
The withstand voltage water meter verification of the fully-automatic series band calibrating installation that generally uses has three kinds:
1. manually-operated is connected with withstand voltage water meter calibration device: this kind device is more original static start-stop volumetric method device; Utilize the judgement of human eye to carry out manually-operated; Read the start-stop of numeral, adjusting flow point and the calibrating water consumption of red pointer, have very big personal error.Calibration efficient is low, and error is big, and personnel use many.
2. withstand voltage water meter calibration device (static start-stop volumetric method device) is with in infrared controlled standard series connection: this kind device is on manually-operated basis; On the standard capacity measure device, install infrared limit switch and solenoid valve additional, reduced the error that produces when artificial pass cuts off the water relatively.The spacing sum of errors of infrared limit switch is still continued to use the mode of artificial copy reading calibrating expression number, has determined that the error of this device is still very big.
3. camera head type is connected with withstand voltage water meter calibration device (static start-stop mass method device): this kind device is on manually-operated device, to have carried out bigger change, has realized semi-automation.Install camera additional, replace artificial copy reading number; Weighed generation standard measuring device with electronics, the calibration precision increases.Extraneous light source disturbs and the bubble of gauge outfit disturbs but camera receives when capturing image easily; Very easily producing the image captured can't identification and identification error and cause reading entanglement or can't the reading phenomenon; Need operating personnel in time on software, to revise, personnel's computation is required than higher.This device also can not bring new operating process and operation easier when thoroughly not dealing with problems.
The utility model content
The purpose of the utility model provides a kind of withstand voltage water meter verification of fully-automatic series band calibrating installation that can promote testing person's work efficiency significantly, improve water meter calibration equipment utilization rate.
The technical scheme that realizes the utility model purpose is the withstand voltage water meter verification of a fully-automatic series band calibrating installation, comprises water meter calibration fundamental mechanism, flow counting mechanism, metering mechanism, pipeline and control system; Said water meter calibration fundamental mechanism comprises by more piece test straight length and polylith treats the test pipeline section that water gauge is composed in series at interval, and the test pipeline section is arranged on the correction platform position; Treat the corresponding flow counting mechanism of water gauge for said every; Said metering mechanism comprises flowmeter, Work container and electronic-weighing equipment, and said electronic-weighing equipment is arranged on the bottom of Work container; The tail end of said test pipeline section will be tested water through pipeline and introduce flowmeter and Work container successively; It is main Single-chip Controlling mechanism with the embedded system perhaps that said control system adopts computer remote control to combine the industrial automation mechanism of on-the-spot PLC control, and control system is electrically connected with the electronic-weighing equipment of flow counting mechanism, metering mechanism.
The fully-automatic series band is withstand voltage, and water meter verification calibrating installation also comprises the exhaust gear by control system control; Said exhaust gear comprise be successively set on test the pipeline that the pipeline section tail end is communicated with on vacuumize solenoid valve, vacuum control check valve, vacuum water filter and vacuum pump.
The fully-automatic series band is withstand voltage, and water meter verification calibrating installation also comprises by the automatic resistance test mechanism of control system control; Said automatic resistance test mechanism comprises pressure transducer, pressure solenoid valve and supercharge pump; Said pressure solenoid valve and pressure transducer be arranged on test the pipeline that the pipeline section head end is communicated with on; On said supercharge pump and the pipeline that test pipeline section head end is communicated with.
Said flow counting mechanism is a photo-impulses counting mechanism, comprises the light pulse sensor by control system control.
Said metering mechanism also comprises the commutator that is electrically connected with control system; Said commutator is arranged on to be introduced the test water on the pipeline of Work container, and one of which be to will test water introducing Work container, and another is to the direct emptying of non-test water.
The fully-automatic series band is withstand voltage, and water meter verification calibrating installation also comprises the measurement solenoid valve; Said measurement solenoid valve comprises nominal flow rate solenoid valve, boundary flow solenoid valve and minimum flow solenoid valve; Pipeline is divided into three road branch roads between test pipeline section tail end and commutator, said nominal flow rate solenoid valve, boundary flow solenoid valve and minimum flow solenoid valve are separately positioned on aforementioned three road branch roads.
The fully-automatic series band is withstand voltage, and water meter verification calibrating installation also comprises the temperature sensor that is electrically connected with control system; On said temperature sensor and the pipeline that test pipeline section head end is communicated with.
Said water meter calibration fundamental mechanism also comprises standard water source apparatus, always intake air valve and water outlet air valve; Said pipeline is with water source device, in-line pump, buffer tank, test straight length and treat that water gauge is communicated with successively; Said total water inlet air valve and water outlet air valve are controlled by control system, be separately positioned on test the pipeline that the pipeline section head end is communicated with on and the pipeline that is communicated with test pipeline section tail end.
Said metering mechanism also comprises the Work container draining valve; Said Work container draining valve is arranged on Work container and the pipeline that cistern is communicated with.
Said test pipeline section has N row, and N is a natural number; Said every row tests the automatic resistance test of the pipeline section common corresponding exhaust gear of respectively corresponding or every adjacent two rows mechanism to be checked and mechanism.
Adopt technique scheme, the utlity model has following beneficial effect:
(1) the withstand voltage water meter verification of the fully-automatic series band calibrating installation of the utility model is realized the full-automation of calibration process through control system; Control system can adopt computer remote control to combine the industrial automation mechanism of on-the-spot PLC control or be that main Single-chip Controlling mechanism controls and realizes full-automatic calibration with the embedded system; Dress table back needs only the click initiating key at the computation interface;---voltage-withstand test---nominal flow rate---boundary flow---detection of minimum flow that device will be accomplished vacuumizing and exhausting successively; Calibrating finishes the back device joins fixed computing machine calibrating software and calculates verification result by rules automatically and preserve, and has perfect database functions such as calibrating data query, correction, statistics, printing.
(2) this device uses photo-impulses counting mechanism and high-precision electronic weighing-appliance as payment foundation; Under the prerequisite that guarantees the water meter calibration precision; Require and water meter actual production verification situation according to national metrological verification regulations simultaneously, reduced each flow rate test water consumption, make a car water meter (7 water meters) checking time shorten to 10 minutes by original 45 minutes; Improve the service efficiency of water meter calibration device greatly, promoted testing person's work efficiency.
(3) the utility model utilizes vacuum pump to vacuumize to make and treats to form negative pressure in water gauge and the test straight length, does not have bubble behind the water-filling, has realized self-bleeding function.
(4) the utility model uses the automatic resistance test mechanism of band pressure transducer to combine with control system to control miniature electromagnetic valve and realizes automatic resistance test.
(5) the utility model adopts the static start-stop mass method in the water meter verification; High-precision electronic-weighing equipment and Work container have been used; Installed additional and received the control system commutator of control automatically; Prevent that effectively non-measurement water from flowing into metering mechanism, improved the precision of payment foundation, saved start and stop stabilization time.Meet the requirement of national metrological verification regulations JJG164-2000 fully to Work container and start and stop equipment.
(6) the utility model uses the light pulse sensor to read the number of turns of cutaneous acupuncture, and signal is transferred to general switching software and carries out backstage comparison calculating, draws the calibrating data, reaches full-automatic copy reading number, has improved the accuracy and the work efficiency of calibrating, has eliminated personal error.It is the requirement of 1/2 minimum division value that the meter reading that meets national metrological verification regulations JJG 162-2009 etc. fully requires permissible error, and light pulse sensor reading precision can reach 1/6 of the minimum calibrating of water meter scale division value.
(7) the flow counting mechanism of the utility model can move on the correction platform position, and the installation site is easy to adjust, therefore can be adapted to the flow counting of treating water gauge of different vendor, different size, different model or varying number.
(8) the utility model reload temperature sensor; Feedback current actual temperature signal carries out the backstage to general switching software and revises; Realized the tracking affirmation and correction automatically of water-mass density, met the requirement of national metrological verification regulations JJG 162-2009 fully the water-mass density of mass method.
(9) automaticity of the utility model is high; Dress table back needs only the click initiating key at the computation interface;---voltage-withstand test---nominal flow rate---boundary flow---detection of minimum flow that device will be accomplished vacuumizing and exhausting successively; Calibrating finishes the back device joins fixed computing machine calibrating software and calculates verification result by rules automatically and preserve, and has perfect database functions such as calibrating data query, correction, statistics, printing.
(10) the utility model can also be networked many withstand voltage water meter verification of fully-automatic series band calibrating installations through Ethernet; And carry out communication with the remote control center that comprises monitor control mechanism and data-carrier store; Every the withstand voltage water meter verification of fully-automatic series band calibrating installation also uploads to remote monitoring center automatically with the calibration data storage; In the time of can accomplishing to occur faults such as suspension like this; Detect data storage in the withstand voltage water meter verification of fully-automatic series band calibrating installation; Data can not lost, and monitor control mechanism can be monitored each water meter school in real time and far test the calibration situation of calibrating installation and in time adjust, and data-carrier store is far tested each water meter school the calibration situation storage of calibrating installation in order to inquiry at any time.
(11) the utility model can realize that many rows carry out full automatic cold water meter verification simultaneously, have further improved work efficiency.
Description of drawings
For the content that makes the utility model is expressly understood more easily,, the utility model is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is the structure principle chart of the utility model.
Fig. 2 is the structural representation of the flow counting mechanism of the utility model.
Label in the accompanying drawing is:
Water meter calibration fundamental mechanism 1, test straight length 11, treat water gauge 12, correction platform position 13, flow counting institutional adjustment track 13-1, standard water source apparatus 14, always intake air valve 15, voltage-withstand test air valve 16; Flow counting mechanism 2, sliding bottom 21, base fixator 22, actuator 23, angle controller 24, angle stop 25, metal connector 26, horizontal level micro actuator 27, light pulse sensor 28; Metering mechanism 3, flowmeter 31, nominal flow rate meter 31-3, boundary flowmeter 31-2, minimum flow meter 31-1, Work container 32, electronic-weighing equipment 33, commutator 34, Work container draining valve 35; Pipeline 4; Control system 5; Exhaust gear 6, vacuumize solenoid valve 61, vacuum control check valve 62, vacuum water filter 63, vacuum pump 64; Automatic resistance test mechanism 7; Measure solenoid valve 8, nominal flow rate solenoid valve 81, boundary flow solenoid valve 82, minimum flow solenoid valve 83; Temperature sensor 9; Remote control center 10, monitor control mechanism 101, data-carrier store 102.
Embodiment
(embodiment 1)
See Fig. 1; The withstand voltage water meter verification of the fully-automatic series band calibrating installation of present embodiment comprises water meter calibration fundamental mechanism 1, flow counting mechanism 2, metering mechanism 3, pipeline 4, control system 5, exhaust gear 6, automatic resistance test mechanism 7, measures solenoid valve 8 and temperature sensor 9.
Water meter calibration fundamental mechanism 1 comprises that more piece test straight length 11 and polylith treat water gauge 12, correction platform position 13, standard water source apparatus 14, always intake air valve 15 and voltage-withstand test air valve 16.More piece test straight length 11 treats that with polylith water gauge 12 is composed in series the test pipeline section at interval; Two row's test pipeline sections are arranged among Fig. 1; All be arranged on the correction platform position 13, correction platform position 13 is provided with and tests parallel two the corresponding flow counting institutional adjustment track 13-1 of pipeline section; Pipeline 4 is with standard water source apparatus 14, test straight length 11 and treat that water gauge 12 is communicated with successively; Total water inlet air valve 15 and voltage-withstand test air valve 16 be by control system 5 controls, be separately positioned on test the pipeline 4 that the pipeline section head end is communicated with on and with test the pipeline 4 that the pipeline section tail end is communicated with on.
Treat water gauge 12 all corresponding flow counting mechanisms 2 for every; See Fig. 2, flow counting mechanism 2 is the photo-impulses counting mechanism of waterproof; Correction platform position 13 is provided with the flow counting institutional adjustment track 13-1 parallel with testing pipeline section; Flow counting mechanism 2 comprises sliding bottom 21, base fixator 22, actuator 23, angle controller 24, angle stop 25, metal connector 26, horizontal level micro actuator 27, light pulse sensor 28; Sliding bottom 21 is slidingly connected with flow counting institutional adjustment track 13-1; Base fixator 22 is arranged on the sliding bottom 21; Actuator is fixed on the sliding bottom 21 through sliding bottom brace 23-1, is provided with the angular turn device in the actuator 23, angular turn device fixed angle controller 24; Angle controller 24 is arranged on the actuator 23, and is rotationally connected with it; Angle stop 25 is fixed on the actuator 23; The two ends of metal connector 26 are fixedly connected with angle controller 24 with horizontal level micro actuator 27 respectively; Light pulse sensor 28 is fixed on the outer end of horizontal level micro actuator 27, and is electrically connected with control system 5.Install treat water gauge 12 after, flow counting mechanism 2 is moved to corresponding water gauge 12 places that treat, by base fixator 22 location.When needs carry out meter reading work; Control system 5 sends instruction; Angular turn device angle controller 24 in the control actuator 23 and metal connector 26 rotations make light pulse sensor 28 count near the surface of treating water gauge 12, if the position of rotation is not ideal enough; Can adjust light pulse sensor 28 and treat the distance and the angle on the surface of water gauge 12 through horizontal level micro actuator 27, in the hope of obtaining counting position the most accurately.After all flow finishes, can send instruction by control system 5, angular turn device angle controller 24 reverse rotations in the control actuator 23 are spacing until angle stop 25, are convenient to treat that water gauge takes out from this device.
Metering mechanism 3 comprises flowmeter 31, Work container 32, electronic-weighing equipment 33, commutator 34 and Work container draining valve 35.Flowmeter 31 is a spinner-type flowmeter, comprises and measurement solenoid valve 8 each self-corresponding nominal flow rate meter 31-3, boundary flowmeter 31-2 and minimum flow meter 31-1, is separately positioned on corresponding the measurement solenoid valve 8 and the pipeline 4 between the commutator 34.Electronic-weighing equipment 33 is arranged on the bottom of Work container 32, electronic-weighing equipment 33 and control system 5 two-way electrical connections.The tail end of test pipeline section will be tested water through pipeline 4 and introduce Work container 32.Commutator 34 is arranged on to be introduced the test water on the pipeline 4 of Work container 32, and one of which is to introducing Work container 32 with the Validity Test water, and another is to non-test water is directly discharged.Work container draining valve 35 is arranged on Work container 32 and the pipeline 4 that cistern 13 is communicated with, is used for automatically the water in the Work container 32 being emptied to cistern 14, and not only drainage efficiency is high, and can the recycle water resource.
The fully-automatic series band is withstand voltage, and water meter verification calibrating installation is realized the full-automation of calibration process through control system 5; Control system 5 can adopt computer remote control to combine the industrial automation mechanism of on-the-spot PLC control or be that main Single-chip Controlling mechanism controls and realizes full-automatic calibration with the embedded system; Control system 5 is as the control core of the withstand voltage water meter verification of whole fully-automatic series band calibrating installation; Be used to receive the data that each sensor, electronic-weighing equipment, Work container etc. detect; And these data are analyzed and compare; And then send the action that each solenoid valve of control command control, air valve, commutator etc. put rules into practice, thereby accomplish the calibration process automatically.
Exhaust gear 6 is by control system 5 controls.Exhaust gear 6 comprise be successively set on test the pipeline 4 that the pipeline section tail end is communicated with on vacuumize solenoid valve 61, vacuum control check valve 62, vacuum water filter 63 and vacuum pump 64.
Automatically resistance test mechanism 7 is by control system 5 controls.Automatically resistance test mechanism 7 comprises pressure transducer, pressure solenoid valve and supercharge pump; Pressure solenoid valve and pressure transducer be arranged on test the pipeline 4 that the pipeline section head end is communicated with on; Supercharge pump be arranged on test the pipeline 4 that the pipeline section head end is communicated with on.
Measure solenoid valve 8 and comprise nominal flow rate solenoid valve 81, boundary flow solenoid valve 82 and minimum flow solenoid valve 83; Pipeline 4 is divided into three road branch roads between test pipeline section tail end and commutator 34, nominal flow rate solenoid valve 81, boundary flow solenoid valve 82 and minimum flow solenoid valve 83 are separately positioned on aforementioned three road branch roads.
Temperature sensor 9 is electrically connected with control system 5.On temperature sensor 9 and the pipeline 4 that test pipeline section head end is communicated with.
Control system 5 can also be through the fully-automatic series band withstand voltage water meter verification calibrating installation networking of Ethernet with many playscripts with stage directions embodiment; And carry out communication with the remote control center 10 that comprises monitor control mechanism 101 and data-carrier store 102; Every the withstand voltage water meter verification of fully-automatic series band calibrating installation also uploads to remote monitoring center 10 automatically with the calibration data storage; Monitor control mechanism 101 can be monitored each water meter school in real time and far test the calibration situation of calibrating installation and in time adjust, and data-carrier store 102 is far tested each water meter school the calibration situation storage of calibrating installation in order to inquiry at any time.
Two row's test pipeline sections have been shown among Fig. 1, and pipeline 4 is divided into two-way at the water delivering orifice of buffer tank 15, supplies water for corresponding row's test pipeline section through total water inlet air valve 15 controls respectively.The automatic resistance test of the two row test shared exhaust gears 6 of pipeline section and one mechanism 7 can certainly use the automatic resistance test of an exhaust gear 6 and mechanism 7 respectively.It is 15 that the withstand voltage water meter verification of the fully-automatic series band calibrating installation of present embodiment can be measured diameter---the cold-water meter of 25mm.
Current inject buffer tanks 16 through in-line pump 15, through total water inlet air valve 17, treat that water gauge 12, commutator 34 to Work container 32, get back to cistern 14 at last.Commutator 34 tangentials when each flow rate test; Carry out 31 meterings of electronic-weighing equipment and light pulse sensor counting synchronously; Commutator 34 switches once more when arriving the setting variable; Control system 5 extracts electronic-weighing equipment actual metered value and light pulse sensor count value is carried out data processing, and testing result forms report automatically.
The concrete operations step is following:
One, Installation and Debugging and the exhaust of pipeline automatic vacuum: on aut.eq., install and treat water gauge 12; Click software operation interface initiating key, control system 5 control vacuum pumps 64 are started working, and open and vacuumize solenoid valve 61; Pressure transducer by automatic resistance test mechanism 7 transmits numerical value to control system 5; Treat that water gauge 12 and the air in the test straight length 11 discharge through vacuum control check valve 62 and vacuum water filter 63, vacuum tightness reaches setting value (operation interface shows the examination value), makes that institute's calibration inner chamber and test pipeline are interior to become negative pressure state; So that can complete filling treat water gauge and test pipeline after injecting the test water, stop bubble phenomenon.Vacuumize end back control system and close vacuum pump 64 and vacuumize solenoid valve 61, finish automatic vent work.
Two, automatic resistance test: total water inlet air valve 15, nominal flow rate solenoid valve 83, boundary flow solenoid valve 82 and minimum flow solenoid valve 81 are opened in control system 5 controls behind the automatic vent end-of-job; Give and treat water gauge 12 water-fillings; Close total water inlet air valve 15, nominal flow rate solenoid valve 83, boundary flow solenoid valve 82, minimum flow solenoid valve 81 and voltage-withstand test air valve 18 behind the certain hour; Open automatic voltage-withstand test mechanism 7, transmit numerical value to control system 5, when force value reaches setting value (operation interface demonstration examination value) by pressure transducer; Automatically close the voltage-withstand test program; Keep pressurized state to detect the withstand voltage properties of treating water gauge, the pressure transducer feedback pipeline pressure signal that installs additional is given Control Software, calculates value of pressure loss.Always opening after 3 minutes, water inlet air valve 15, voltage-withstand test air valve 16, nominal flow rate solenoid valve 83, boundary flow solenoid valve 82, minimum flow solenoid valve 81 carry out draining; Close total water inlet air valve 15, nominal flow rate solenoid valve 83, boundary flow solenoid valve 82, minimum flow solenoid valve 81 behind the certain hour, finish automatic voltage-withstand test work;
Three, nominal flow rate detects: total water inlet air valve 15, nominal flow rate solenoid valve 83 are opened in control system 5 controls behind the voltage-withstand test end-of-job automatically; 2 work of flow counting mechanism; Light pulse sensor 28 is done the contraposition adjustment slightly; Commutator 34 switchings will be tested in the water introducing Work container 32 in nominal flow rate meter 31-3 waterflow stabilization; Carry out electronic-weighing equipment 33 metering and light pulse sensor counting synchronously, commutator 34 switches emptying once more when arriving electronic-weighing equipment 33 variables of setting, and passes through the actual temperature value of temperature sensor 9 feedback test waters when actual metered value and the light pulse sensor count value that control system 5 reads electronic-weighing equipment 33 carried out data processing; Carry out the water-mass density finishing on backstage; Draw testing result (operation interface show examination value), close total water inlet air valve 15, nominal flow rate solenoid valve 83, finish nominal flow rate and detect;
Four, boundary flow detection: automatically the nominal flow rate testing finishes 5 controls of back control system and opens total water inlet air valve 15, boundary flow solenoid valve 82; 2 work of flow counting mechanism; Commutator 34 switch test waters are introduced in the Work container 32 in boundary flowmeter 31-2 waterflow stabilization; Carry out electronic-weighing equipment 33 metering and light pulse sensor counting synchronously, commutator 34 switches emptying once more when arriving electronic-weighing equipment 33 variables of setting, and passes through the actual temperature value of temperature sensor 9 feedback test waters when actual metered value and the light pulse sensor count value that control system 5 reads electronic-weighing equipment 33 carried out data processing; Carry out the water-mass density finishing on backstage; Draw testing result (operation interface show examination value), close total water inlet air valve 15, boundary flow solenoid valve 82, finish the boundary flow detection;
Five, minimum flow detects: total water inlet air valve 15, minimum flow solenoid valve 81 are opened in control system 5 controls behind the flow detection of demarcating the automatically end-of-job; 2 work of flow counting mechanism; Commutator 34 switches in the water introducing Work container 32 of will working in minimum flow meter 31-1 waterflow stabilization; Carry out 33 meterings of electronic-weighing equipment and light pulse sensor counting synchronously; Commutator 34 switches emptying once more when arriving electronic-weighing equipment 33 variables of setting, and through the actual temperature value of temperature sensor 9 feedback test waters, carries out the water-mass density finishing on backstage when the actual metered value of control system 5 extraction electronic-weighing equipment 33 and light pulse sensor count value are carried out data processing; Draw testing result (operation interface shows the examination value), finish minimum flow and detect.Control system is closed total water inlet air valve 15, minimum flow solenoid valve 81, opens the water in the Work container draining valve 35 emptying Work containers 32, closes Work container draining valve 35.
Six, after minimum flow detected and finishes, control system 5 generated all automatically and detects data report, shows at operation interface, is stored in the programmable data storehouse, can check printing at any time; All air valve solenoid valves are got back to virgin state, prepare to carry out water meter calibration next time.
Above specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, the above specific embodiment that is merely the utility model that it should be understood that; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (10)

1. the withstand voltage water meter verification of fully-automatic series band calibrating installation is characterized in that: comprise water meter calibration fundamental mechanism (1), flow counting mechanism (2), metering mechanism (3), pipeline (4) and control system (5); Said water meter calibration fundamental mechanism (1) comprises water source device, treats the test pipeline section that water gauge (12) is composed in series at interval by more piece test straight length (11) and polylith that the test pipeline section is arranged on the correction platform position (13); Treat the corresponding flow counting mechanism (2) of water gauge (12) for said every; Said metering mechanism (3) comprises flowmeter (31), Work container (32) and electronic-weighing equipment (33), and said electronic-weighing equipment (33) is arranged on the bottom of Work container (32); The tail end of said test pipeline section is introduced flowmeter (31) and Work container (32) through pipeline (4) with water successively; It perhaps is main Single-chip Controlling mechanism with the embedded system that said control system (5) adopts computer remote control to combine the industrial automation mechanism of on-the-spot PLC control; Control system (5) is electrically connected with the electronic-weighing equipment (33) of flow counting mechanism (2), metering mechanism (3).
2. the withstand voltage water meter verification of fully-automatic series band according to claim 1 calibrating installation is characterized in that: also comprise the exhaust gear (6) by control system (5) control; Said exhaust gear (6) comprise be successively set on test the pipeline (4) that the pipeline section tail end is communicated with on vacuumize solenoid valve (61), vacuum control check valve (62), vacuum water filter (63) and vacuum pump (64).
3. the withstand voltage water meter verification of fully-automatic series band according to claim 2 calibrating installation is characterized in that: also comprise the automatic resistance test mechanism (7) by control system (5) control; Said automatic resistance test mechanism (7) comprises pressure transducer, pressure solenoid valve and supercharge pump; Said pressure solenoid valve and pressure transducer be arranged on test the pipeline (4) that the pipeline section head end is communicated with on; On said supercharge pump and the pipeline (4) that test pipeline section head end is communicated with.
4. the withstand voltage water meter verification of fully-automatic series band according to claim 1 calibrating installation, it is characterized in that: said flow counting mechanism (2) is the photo-impulses counting mechanism of waterproof; Said correction platform position (13) is provided with the flow counting institutional adjustment track (13-1) parallel with testing pipeline section; Said flow counting mechanism (2) comprises sliding bottom (21), base fixator (22), actuator (23), angle controller (24), angle stop (25), metal connector (26), horizontal level micro actuator (27), light pulse sensor (28); Said sliding bottom (21) is slidingly connected with flow counting institutional adjustment track (13-1); Said base fixator (22) is arranged on the sliding bottom (21); Said actuator (23) is fixed on the sliding bottom (21), and actuator is provided with the angular turn device in (23), angular turn device fixed angle controller (24); Said angle controller (24) is arranged on the actuator (23), and is rotationally connected with it; Said angle stop (25) is fixed on the actuator (23); The two ends of said metal connector (26) are fixedly connected with angle controller (24) with horizontal level micro actuator (27) respectively; Said light pulse sensor (28) is fixed on the outer end of horizontal level micro actuator (27), and is electrically connected with control system (5).
5. the withstand voltage water meter verification of fully-automatic series band according to claim 1 calibrating installation is characterized in that: said metering mechanism (3) also comprises the commutator (34) that is electrically connected with control system (5); Said commutator (34) is arranged on to be introduced water on the pipeline (4) of Work container (32), and one of which is introduced Work container (32) to testing water, in addition to testing the direct emptying of water.
6. the withstand voltage water meter verification of fully-automatic series band according to claim 5 calibrating installation is characterized in that: also comprise and measure solenoid valve (8); Said measurement solenoid valve (8) comprises nominal flow rate solenoid valve (83), boundary flow solenoid valve (82) and minimum flow solenoid valve (81); Said flowmeter (31) is a spinner-type flowmeter, comprises and each self-corresponding nominal flow rate meter (31-3) of measurement solenoid valve (8), boundary flowmeter (31-2) and minimum flow meter (31-1); Pipeline (4) is divided into three road branch roads between test pipeline section tail end and commutator (34), said nominal flow rate solenoid valve (83) is separately positioned on aforementioned three road branch roads with minimum flow meter (31-1) with boundary flowmeter (31-2) and minimum flow solenoid valve (81) with nominal flow rate meter (31-3), boundary flow solenoid valve (82).
7. the withstand voltage water meter verification of fully-automatic series band according to claim 6 calibrating installation is characterized in that: also comprise the temperature sensor (9) that is electrically connected with control system (5); On said temperature sensor (9) and the pipeline (4) that test pipeline section head end is communicated with.
8. the withstand voltage water meter verification of fully-automatic series band according to claim 1 calibrating installation is characterized in that: said water meter calibration fundamental mechanism (1) also comprises total water inlet air valve (15) and voltage-withstand test air valve (16); Said water source device is standard water source apparatus (14); Said pipeline (4) is with standard water source apparatus (14), test straight length (11) and treat that water gauge (12) is communicated with successively; Said total water inlet air valve (15) and voltage-withstand test air valve (16) be by control system (5) control, be separately positioned on test that pipeline (4) that the pipeline section head end is communicated with is gone up and with test the pipeline (4) that the pipeline section tail end is communicated with on; Said metering mechanism (3) also comprises Work container draining valve (35); Said Work container draining valve (35) is arranged on Work container (32) and the pipeline (4) that cistern (14) is communicated with.
9. according to the withstand voltage water meter verification of the described fully-automatic series band of one of claim 3 to 8 calibrating installation, it is characterized in that: said test pipeline section has N row, and N is a natural number; Said every row tests a pipeline section common corresponding exhaust gear (6) of corresponding respectively or every adjacent two rows mechanism to be checked and an automatic resistance test mechanism (7).
10. the withstand voltage water meter verification of fully-automatic series band according to claim 9 calibrating installation is characterized in that: the withstand voltage water meter verification of said fully-automatic series band calibrating installation carries out communication through Ethernet and remote control center (10); Said remote control center (10) comprises monitor control mechanism (101) and data-carrier store (102).
CN2011205379707U 2011-12-20 2011-12-20 Device for calibrating and testing full-automatic serial belt pressure-resistant water meters Expired - Lifetime CN202393466U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102915055A (en) * 2012-10-25 2013-02-06 湖南省电力公司科学研究院 Intelligent method for metering cold water usage of hot water system with heat pump
CN102914349A (en) * 2012-11-08 2013-02-06 宁波东海仪表水道有限公司 Water meter verification device and method
CN102944291A (en) * 2012-11-07 2013-02-27 宁波市埃美仪表制造有限公司 Device for testing wear of a plurality of water meters and water circulation method of device for testing wear of a plurality of water meters
CN103175588A (en) * 2011-12-20 2013-06-26 江苏远传智能科技有限公司 Full-automatic series verification calibrating device with pressure-resistant water meter
CN108917888A (en) * 2018-07-04 2018-11-30 福州金泽科技有限公司 Intellectual water meter scaling method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175588A (en) * 2011-12-20 2013-06-26 江苏远传智能科技有限公司 Full-automatic series verification calibrating device with pressure-resistant water meter
CN102915055A (en) * 2012-10-25 2013-02-06 湖南省电力公司科学研究院 Intelligent method for metering cold water usage of hot water system with heat pump
CN102944291A (en) * 2012-11-07 2013-02-27 宁波市埃美仪表制造有限公司 Device for testing wear of a plurality of water meters and water circulation method of device for testing wear of a plurality of water meters
CN102914349A (en) * 2012-11-08 2013-02-06 宁波东海仪表水道有限公司 Water meter verification device and method
CN108917888A (en) * 2018-07-04 2018-11-30 福州金泽科技有限公司 Intellectual water meter scaling method

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