CN205826079U - Water meter automatic testing stand - Google Patents
Water meter automatic testing stand Download PDFInfo
- Publication number
- CN205826079U CN205826079U CN201620754648.2U CN201620754648U CN205826079U CN 205826079 U CN205826079 U CN 205826079U CN 201620754648 U CN201620754648 U CN 201620754648U CN 205826079 U CN205826079 U CN 205826079U
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- Prior art keywords
- water meter
- testing stand
- valve
- water
- automatic testing
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Abstract
This utility model provides a kind of water meter automatic testing stand, it is used for watermeter flowing rate point tolerance value performance test, and described water meter automatic testing stand includes: water supply mechanism, vacuum device, voltage-withstand test mechanism, flow automatic adjusting mechanism, error amount testing agency and controlling organization.Water meter automatic testing stand of the present utility model possesses following technical advantage: (1) uses dynamic measurement method, in stability of flow laggard row data acquisition, record, computing, there is not start and stop effect；(2) there is automatic vacuum function；(3) there is automatic voltage withstanding test function；(4) there is automatic flow rate regulation function；(5) measuring accuracy is high, and error is little；(6) all test data set upload onto the server, and can process in conjunction with data processing software.
Description
Technical field
This utility model relates to a kind of testboard, particularly relates to a kind of water meter automatic testing stand, and it is used for watermeter flowing rate point
Error amount performance test.
Background technology
Existing water meter monitor station typically uses weight method or graduated cylinder measurement method detection water meter.Wherein, described weight method is
Refer to: claim a certain amount of water, the numerical value that record water meter is recorded when flowing through and being weighed out water with electronic scale, then carry out error fortune
Calculate.But, this kind of method water consumption is that electronic scale is weighed gained, is easily affected by temperature, change of water quality, there is start and stop effect simultaneously
Should.
Described graduated cylinder method refers to: utilize graduated cylinder to measure a certain amount of water, and record water meter is flowing through graduated cylinder record water yield time institute
The numerical value of record, then carries out error op.But, this kind of method there is also start and stop effect.
To sum up, in existing measuring method, there are the following problems:
(1) there is start and stop effect, affect test result；
(2), in weight method, water density, by temperature, water quality impact, affects testing result；
(3), in graduated cylinder method, water consumption is more, and efficiency is low；
(4) using the water consumption through all products as standard, owing to water meter no-load voltage ratio is little, during pulse collection, there will be many meters
Or the problem counting a pulse less, thus bigger on the impact of overall testing result；
(5) test data deficiency system controls, and data process and inquiry inconvenience.
Therefore, it is necessary to propose solution further for the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of water meter automatic testing stand, asks present in prior art to overcome
Topic.
For realizing above-mentioned utility model purpose, this utility model provides a kind of water meter automatic testing stand, and it is used for water meter stream
Amount point tolerance value performance test, described water meter automatic testing stand includes: water supply mechanism, vacuum device, voltage-withstand test mechanism, stream
Quantity automatic regulation mechanism, error amount testing agency and controlling organization；
Described water supply mechanism is that described testboard supplies water by pipeline；
Described vacuum device is connected with described pipeline, and it includes setting gradually: vacuum pump and vacuum barrel；
Described voltage-withstand test mechanism tests for metered pressure value, and it includes supercharger and pressure transducer；
Described flow automatic adjusting mechanism is for being adjusted the flow of flow point to be detected, and it includes Electromagnetic Flow
Meter and servomotor；
Described error amount testing agency includes some data modules being distributed at flow point to be detected, any data mould
Block includes module water meter impulse scaler and counter of flowmeter；
Described controlling organization controls described water supply mechanism, vacuum device, voltage-withstand test mechanism, flow automatic regulating machine
Structure, the operation of error amount testing agency.
As the improvement of water meter automatic testing stand of the present utility model, described water supply mechanism includes water storage box and water pump.
As the improvement of water meter automatic testing stand of the present utility model, described vacuum device also includes vacuum barrel drain valve
And vacuum pumping valve.
As the improvement of water meter automatic testing stand of the present utility model, described voltage-withstand test mechanism also includes: relief valve, increasing
Pressure valve, resistance to pressure valve, electrical ball valve, supercharger water compensating valve and supercharger protection valve.
As the improvement of water meter automatic testing stand of the present utility model, described controlling organization controls the fortune of described servomotor
OK.
As the improvement of water meter automatic testing stand of the present utility model, described data module is with water meter pulse as radix.
As the improvement of water meter automatic testing stand of the present utility model, described controlling organization includes host computer and main control
Plate.
As the improvement of water meter automatic testing stand of the present utility model, described water meter automatic testing stand also includes server,
Described server receives the test data of testboard.
As the improvement of water meter automatic testing stand of the present utility model, described pipeline is additionally provided with and always enters valve and always go out
Valve.
Compared with prior art, the beneficial effects of the utility model are: water meter automatic testing stand of the present utility model possesses
Following technical advantage:
(1) use dynamic measurement method, in stability of flow laggard row data acquisition, record, computing, there is not start and stop effect
Should；
(2) there is automatic vacuum function；
(3) there is automatic voltage withstanding test function；
(4) there is automatic flow rate regulation function；
(5) measuring accuracy is high, and error is little；
(6) all test data set upload onto the server, and can process in conjunction with data processing software.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments described in this utility model, for those of ordinary skill in the art, is not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the floor map of a detailed description of the invention of water meter automatic testing stand of the present utility model；
Fig. 2 is the top view of water meter automatic testing stand in Fig. 1.
Detailed description of the invention
This utility model is described in detail by each embodiment shown in below in conjunction with the accompanying drawings, but it should explanation,
These embodiments are not limitation of the utility model, and those of ordinary skill in the art are according to these embodiment institute works
Equivalent transformation in energy, method or structure or replacement, within belonging to protection domain of the present utility model.
The operation principle of water meter automatic testing stand of the present utility model is: uses volume matching type, is arranged by host computer
Coherent detection parameter, controls related valve, sensor and related accessory, completes vacuum exhaust, voltage-withstand test, flow rate regulation.With
Time, data collecting module collected water meter pulse, electromagnetic flowmeter pulse, then carry out computing and draw testing result, test data
Upload.Below water meter automatic testing stand of the present utility model is described in detail.
As shown in Figure 1, 2, water meter automatic testing stand of the present utility model includes: water supply mechanism, vacuum device, pressure survey
Test-run a machine structure, flow automatic adjusting mechanism, error amount testing agency and controlling organization.
Described controlling organization controls described water supply mechanism, vacuum device, voltage-withstand test mechanism, flow automatic regulating machine
Structure, the operation of error amount testing agency.Specifically, described controlling organization includes host computer and master board.
Described water supply mechanism is that described testboard supplies water by pipeline.Specifically, described water supply mechanism includes water-retention
Case 1 and water pump 2, described water pump 2 is connected with water storage box 1, and the water of water storage box 1 is delivered in corresponding pipeline by described water pump 2.
Always enter valve 14 additionally, be additionally provided with on described pipeline and always go out valve 15.
Described vacuum device is connected with described pipeline.Specifically, described vacuum device includes setting gradually: true
Empty pump 4, vacuum barrel 5.Wherein, described vacuum pump 4 is connected with vacuum barrel 5, and described vacuum barrel 5 has vacuum barrel drain valve and takes out
Vacuum valve.
Thus, during the work of described vacuum device, always enter valve 14, overload valve, nominal valve, dividing valve, rill valve, demarcate little
Stream is automatically adjusted pipe valve, vacuum barrel drain valve is closed, and always goes out valve 15, vacuum pumping valve is opened.Vacuum pump 4 works, and reads pressure in real time
Force sensor data is also compared with setting value, when reaching setting value, opens and always enters valve 14, electromagnetic flowmeter valve, electronic
Ball valve.According to setting the moisturizing time, water meter is carried out moisturizing, after moisturizing terminates, close vacuum pump 4, close vacuum pumping valve, always enter
Valve 14, opens vacuum barrel drain valve, and evacuation terminates.
Described voltage-withstand test mechanism tests for metered pressure value, and it includes supercharger 6 and pressure transducer 7.Further
Ground, described voltage-withstand test mechanism also includes: relief valve 8, pressure charging valve 9, resistance to pressure valve 10, electrical ball valve 11, supercharger water compensating valve 12
And supercharger protection valve 13.
Thus, during the work of voltage-withstand test mechanism, always go out valve 15, always enter valve 14, supercharger water compensating valve 12, relief valve 8 are closed,
Electrical ball valve 11, resistance to pressure valve 10 are opened, and then, then open supercharging protection valve 13, pressure charging valve 9.Read pressure transducer 7 number in real time
Value, and contrast with setting value, when force value reaches setting value, it is first shut off resistance to pressure valve 10, turns off pressure protection valve
13；Keeping pipeline pressure value until reaching the voltage-withstand test time set, closing pressure charging valve 9, open supercharger protection valve 13, let out
Pressure valve 8, supercharger water compensating valve 12, voltage-withstand test flow process terminates.
Described flow automatic adjusting mechanism is for being adjusted the flow of flow point to be detected, and it includes Electromagnetic Flow
Meter and servomotor.Described flow automatic adjusting mechanism works as follows:
During detection water meter, after setting flow point size to be detected, host computer is automatically flow point parameter to be detected, regulation
Initial value, trim values are sent to master board, and master board controls servomotor control valve switch degree, regulates flow big
Little.Specifically, during initial adjustment, master control borad controls servomotor to control valve by specific by the regulation initial parameter set
Control valve switch degree is carried out in direction.In the process, master board read in real time electromagnetic flowmeter actual flow value and with setting
Value contrasts, if actual value is less than setting value, master board continues to send regulation initial value parameter by last regulation side
To being controlled servomotor control valve；Then electromagnetic flowmeter actual flow value and setting value are read in master board in real time
Contrast, if now actual value controls servo electricity more than setting value, master board after last time regulation parameter value is halved
The opposite direction that machine was regulated by the last time is adjusted, and uses this kind to halve regulation algorithm until regulation reaches flow point setting value.
Due to reasons such as pipeline pressures in test process, flow velocity there will be fluctuation, jumps out range of set value, and master control borad can use fine setting
Halving algorithm carries out flow velocity correction above for value employing.
Described error amount testing agency includes some data modules being distributed at flow point to be detected, any data mould
Block includes module water meter impulse scaler and counter of flowmeter.Described data acquisition module is used for carrying out data acquisition, and will
The data transmission gathered carries out computing to host computer.
During the work of described error amount testing agency, host computer, wanting test point water consumption, is sent respectively to each data acquisition
Module, each data acquisition module works alone, and after data acquisition module receives setup parameter, is in holding state.Waiting
After start working order to host computer, data module is started working, and after completing work, stops counting, waits that host computer reads number
According to and carry out error amount computing.
Wherein, after described data acquisition module receives work order, module water meter impulse scaler is to receive laser
Starting counting up after first pulse of sensor collection water meter, meanwhile, counter of flowmeter starts the pulse that recording flowmeter is uploaded
Signal, when the pulse signal of water meter impulse scaler record reaches setting value, stops counting.Counter of flowmeter synchronizes to stop
Counting, module status is masked as work and completes, and waits that host computer reads data.
Further, described data module the test data obtained have the advantage that error is little.Because, data acquisition module
Block according to setup parameter complete independently data acquisition, gathers signal as fixed value setting detection water meter water consumption, i.e. data acquisition
Collection module is gathering water meter pulse simultaneously, the recording flowmeter pulse water yield, and the indicating value that so every water meter is recorded is fixing,
And the water consumption of correspondence is not for unified numerical value.Then, water meter record value and reality are calculated by water meter and flowmeter pulses no-load voltage ratio
Water consumption, carries out water meter error op, so ensure that the no-load voltage ratio of water meter is much larger than effusion meter no-load voltage ratio value, thus, less than one
The error caused during individual pulse will be greatly reduced.
Described data module is with water meter pulse as radix, because water meter no-load voltage ratio is generally 118, and about 71,90, effusion meter becomes
Ratio is 10000, if on the basis of flowmeter pulses, when effusion meter collection terminates, module gathers water meter pulse may
Many meters occur or counts the situation of a pulse less, so easily result is caused the ± error of (1/ water meter no-load voltage ratio)；Otherwise with water
Table pulse is radix, and acquisition module gathers electromagnetic flowmeter and also there will be many meters or count a pulse situation less, easily to result
Causing ± the error of 0.01%, therefore selecting water meter pulse is that radix is the most reasonable.
Described water meter automatic testing stand also includes server, and described server is used for receiving the test data of testboard, as
This, in order to according to the test data of storage, product carrying out information inquiry, order performance is inquired about, and workload is inquired about, product
Analyze, test report output etc..
In sum, water meter automatic testing stand of the present utility model possesses following technical advantage:
(1) use dynamic measurement method, in stability of flow laggard row data acquisition, record, computing, there is not start and stop effect
Should；(2) there is automatic vacuum function；(3) there is automatic voltage withstanding test function；(4) there is automatic flow rate regulation function；(5)
Measuring accuracy is high, and error is little；(6) all test data set upload onto the server, and can be in conjunction with data processing software at
Reason.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality in other specific forms new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (9)
1. a water meter automatic testing stand, it is used for watermeter flowing rate point tolerance value performance test, it is characterised in that described water meter is certainly
Dynamic testboard includes: water supply mechanism, vacuum device, voltage-withstand test mechanism, flow automatic adjusting mechanism, error amount testing agency
And controlling organization；
Described water supply mechanism is that described testboard supplies water by pipeline；
Described vacuum device is connected with described pipeline, and it includes setting gradually: vacuum pump and vacuum barrel；
Described voltage-withstand test mechanism tests for metered pressure value, and it includes supercharger and pressure transducer；
Described flow automatic adjusting mechanism for the flow of flow point to be detected is adjusted, it include electromagnetic flowmeter and
Servomotor；
Described error amount testing agency includes some data modules being distributed at flow point to be detected, any data module bag
Include module water meter impulse scaler and counter of flowmeter；
Described controlling organization controls described water supply mechanism, vacuum device, voltage-withstand test mechanism, flow automatic adjusting mechanism, mistake
The operation of difference testing agency.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described water supply mechanism includes water storage box and water
Pump.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described vacuum device also includes vacuum barrel
Drain valve and vacuum pumping valve.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described voltage-withstand test mechanism also includes: let out
Pressure valve, pressure charging valve, resistance to pressure valve, electrical ball valve, supercharger water compensating valve and supercharger protection valve.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described controlling organization controls described servo electricity
The operation of machine.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described data module is with water meter pulse as base
Number.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described controlling organization includes host computer and master
Panel.
Water meter automatic testing stand the most according to claim 1, it is characterised in that described water meter automatic testing stand also includes clothes
Business device, described server receives the test data of testboard.
Water meter automatic testing stand the most according to claim 1, it is characterised in that be additionally provided with on described pipeline always enter valve and
Always go out valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754648.2U CN205826079U (en) | 2016-07-18 | 2016-07-18 | Water meter automatic testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754648.2U CN205826079U (en) | 2016-07-18 | 2016-07-18 | Water meter automatic testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826079U true CN205826079U (en) | 2016-12-21 |
Family
ID=57562146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620754648.2U Expired - Fee Related CN205826079U (en) | 2016-07-18 | 2016-07-18 | Water meter automatic testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953870A (en) * | 2016-07-18 | 2016-09-21 | 苏州北通智能科技有限公司 | Automatic water meter test board |
| US11860009B2 (en) | 2019-06-07 | 2024-01-02 | The Ford Meter Box Company, Inc. | Automated measuring system for meter test bench |
-
2016
- 2016-07-18 CN CN201620754648.2U patent/CN205826079U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953870A (en) * | 2016-07-18 | 2016-09-21 | 苏州北通智能科技有限公司 | Automatic water meter test board |
| US11860009B2 (en) | 2019-06-07 | 2024-01-02 | The Ford Meter Box Company, Inc. | Automated measuring system for meter test bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200718 |