CN101799371A - Water-saving performance test device of building water supply system water using apparatus - Google Patents
Water-saving performance test device of building water supply system water using apparatus Download PDFInfo
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- CN101799371A CN101799371A CN 201010128792 CN201010128792A CN101799371A CN 101799371 A CN101799371 A CN 101799371A CN 201010128792 CN201010128792 CN 201010128792 CN 201010128792 A CN201010128792 A CN 201010128792A CN 101799371 A CN101799371 A CN 101799371A
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Abstract
The invention relates to a water-saving performance test device of a building water supply system water using apparatus, which belongs to the field of water supply and drainage and relates to an experimental teaching device for testing the water-saving performance of the building water supply system water using apparatus. The device comprises a pressure supply and control system, a water supply pipe network and water using apparatus test system and a data acquisition and processing system, wherein the pressure supply and control system comprises a variable-frequency water pump (2) and a frequency-modulated water pump control cabinet, supplies high pressure and low pressure needed by a pipe network and accurately controls pressure points needed by an experiment through continuously converting frequencies and regulating a manual valve (3), wherein the variable-frequency water pump (2) comprises a high-pressure variable-frequency pump and a low-pressure variable-frequency pump which concurrently work, and the frequency-modulated water pump control cabinet is used for controlling the variable-frequency water pump (2). The variation tendency and the process of data can be observed through various curves instantly drawn by water supply system testing software, and the actual operation working condition of each node water using apparatus is reflected on a picture to be more visually known and grasped by students. The device has the characteristics of less occupied land, economical property, practicability, environmental protection, no pollution, safety, reliability and stable operation.
Description
Technical field
Water-saving performance test device of building water supply system water using apparatus belongs to the plumbing field, relates to a kind of experimental teaching unit of test architecture water supply system water appliance water-saving performance.
Background technology
Water-saving performance test device of building water supply system water using apparatus is an important experimental teaching unit that is used for test architecture water supply system part utensil water-saving performance under different operating pressure.
Along with the worsening shortages of city water resource, using water wisely has become China's energy-saving and emission-reduction state basic policy important component part.In town water, the building water accounts for 40%～60% of urban water consumption, seems particularly necessary so carry out building water-saving and water.The water supply system water appliance is as the important component part and the water distribution terminal (reduction valve of building water supply system, filtrator, water meter, water swivel, shower nozzle etc.), its water-saving performance under different operating modes has crucial meaning for real realization building water-saving and water, using this device can be to reduction valve, the fire hose is first-class dissimilar, different size, different types of building interior water appliance carries out the performance test under the different operating modes, test result will be the engineering design of from now on building water supply system, operational management provides conductive suggestion, further advances the using water wisely work of China.
Still do not have at present both at home and abroad a cover complete be used for experimental teaching unit to the test of building water supply system water appliance water-saving performance, cause the reason of this phenomenon be to lack a cover complete can simulate the water appliance actual used water time pressure working condition and experimental provision that experimental data is accurately gathered.
Summary of the invention
The invention provides a cover pressure working condition and experimental provision that experimental data is accurately gathered can simulate the water appliance actual used water time, to remedy the blank of experimental teaching unit in universities and colleges' experimental teaching of building water supply system water appliance water-saving performance test.
To achieve these goals, the present invention has designed a cover water-saving performance test device of building water supply system water using apparatus, comprises that pressure provides and control system, water supply network and water appliance test macro, data acquisition and processing (DAP) system.Described pressure provides the variable frequency pump be made up of each 1 concurrent working of high-pressure frequency-conversion pump and low-voltage variable frequency pump with control system and the frequency modulation water pump switch board of control of conversion water pump 2 to form.Described water supply network comprises that with the water appliance test macro horizontal feedwater pipeline section reaches the cyclic water tank that is connected with vertical feedwater pipeline section with vertical feedwater pipeline section; Laterally the feedwater pipeline section is provided with two-layerly, connect by vertical feedwater pipeline section, every layer laterally the feedwater pipeline section branch road more than two can be set, every branch road is respectively arranged with manually-operated gate, flowmeter, pressure transducer, water appliance; Water appliance comprises reduction valve, filtrator, common water meter, water swivel, shower nozzle, and every branch road comprises one or more water appliances; The two ends of the reduction valve in the water appliance, filtrator, common water meter are provided with pressure transducer respectively.Described data acquisition and processing (DAP) system is by data collecting card, cable and utilize the water supply system testing software of LAB view software development to constitute.Wherein, pressure provide with control system in variable frequency pump be connected with cyclic water tank, the water outlet of variable frequency pump is supplied water to water supply network and water appliance test macro through non-return valve; Each flowmeter and pressure transducer in water supply network and the water appliance test macro are connected to data collecting card respectively, and the data of data collecting card reach the computer that contains the water system testing software through cable.
Wherein, described flowmeter 4 adopts electromagnetic flowmeter, can reflect the flow of test node real-time and accurately.Described data collecting card adopts 16 road PCI6220 capture cards, can gather simultaneously each node simultaneously.
The present invention has following beneficial effect and advantage:
Pressure provide with control system in adopt 2 variable frequency pumps that hydraulic pressure is provided, be used to simulate the different pressures value of water supply system water appliance.Each 1 of 2 water pump mesohigh variable frequency pumps, low-voltage variable frequency pump provide required high pressure of pipe network and low pressure respectively, guarantee the stable of force value, make the fluctuation of its pressure be within the allowed band (± 0.01Mpa); By continuous frequency conversion and adjusting manually-operated gate, can accurately control testing required spot pressure.
2. adopt 16 road PCI6220 capture cards in the data acquisition and processing (DAP) system, can measure simultaneously the serviceability of each test node in the experimental provision simultaneously, also can test separately individual node.The instant various curves of drawing of water supply system testing software can observed data variation tendency and process, the actual operating mode of each node water appliance of package unit is reflected on the picture, allows the student go understanding more intuitively, grasps.
3. this device has little, economical and practical, environment friendly and pollution-free, safe and reliable, the stable characteristics of occupation of land, helps it and promotes the use of.
Description of drawings
Fig. 1 is the one-piece construction block diagram of one embodiment of the present invention;
Fig. 2 is the overall node system synoptic diagram of one embodiment of the present invention;
Fig. 3 is the frequency modulation water pump switch board synoptic diagram in embodiment illustrated in fig. 1.
Among the figure, 1-cyclic water tank, 2-frequency modulation water pump and accessory, 3-manually-operated gate, 4-electromagnetic flowmeter, 5-pressure transducer, 6-reduction valve, 7-shower nozzle, 8-water swivel, the 9-pipeline section that laterally feeds water, the 10-pipeline section that vertically feeds water, 11-filtrator, 12-water meter.
Embodiment
Describe with preferred embodiment below in conjunction with 3 pairs in accompanying drawing 1～accompanying drawing is of the present invention.
Present embodiment is divided into three parts, and the one, pressure provides and control system, and the 2nd, water supply network and water appliance test macro, the 3rd, data acquisition and processing (DAP) system.Present embodiment one-piece construction block diagram is seen Fig. 1.
Pressure provides and control system
It is to be constituted the water source part and the different pressures of simulating the water appliance actual condition is provided by two variable frequency pumps 2 that are connected with cyclic water tank 1 that pressure provides with control system, to the test pipe network water supply, the pressure of supply water of pipe network can be controlled by the adjusting of variable frequency pump continuous frequency conversion and manually-operated gate through non-return valve in the water outlet of water pump 2.Variable frequency pump switch board synoptic diagram is seen Fig. 3, and wherein the 1# button is the total power switch of 2 water pumps, and the 2# button is the high-pressure pump power switch, and the 3# button is the low-lift pump power switch.The frequency modulation button can be respectively to 2 variable frequency pump continuous frequency conversions, with the discharge pressure of control water pump.
Water supply network and water appliance test macro
Water supply network and water appliance test macro are divided into upper and lower two test pipe networks by horizontal feedwater pipeline section 9 and vertical feedwater pipeline section 10.In last pipe network, be provided with two branch roads, wherein a branch road is provided with manually-operated gate 3, electromagnetic flowmeter 4, pressure transducer 5, reduction valve 6 is when water pump supplies water in pipe network, can regulate the flow that passes through reduction valve 6 by manually-operated gate 3, the collection of data on flows is finished by electromagnetic flowmeter 4, and the force value of pressure transducer 5 test reduction valve 6 front and back is to measure the effect of easing stress of reduction valve 6; An other branch road is provided with manually-operated gate 3, electromagnetic flowmeter 4, pressure transducer 5, water swivel 8, filtrator 11, common water meter 12, regulate the flow that passes through filtrator 6 and water meter 12 by manually-operated gate 3, electromagnetic flowmeter 4 can be proofreaied and correct the flow of water meter 12, measure the metering accuracy of water meter, simultaneously can measure the outflow of water swivel under different operating pressure, pressure transducer 5 can testing filters 11, the pressure of water meter 12 front and back, pressure difference value can reaction water stream through the loss of flood peak of filtrator 11 and water meter 12.Lower floor's pipe network laterally is being provided with manually-operated gate 3 on the feedwater pipeline section, electromagnetic flowmeter 4, pressure transducer 5, shower nozzle 7, water swivel 8 when water pump supplies water in pipe network, can be regulated the outflow of shower nozzle 7 and water swivel 8 and go out flowing pressure by manually-operated gate 3, go out the pressure transducer 5 of flowing pressure before by water swivel and shower nozzle and measure, outflow is measured by electromagnetic flowmeter 4.
3) data acquisition and processing (DAP) system
The data acquisition and processing (DAP) system is by data collecting card, cable and utilizes the water supply system testing software of LAB view software development to constitute.The data-signal of electromagnetic flowmeter 4 and pressure transducer 5 outputs, send the PCI6220 capture card of installing on the computer to through terminal block by data cable, utilize the water supply system testing software installed on the computer with the electrical signal conversion of electromagnetic flowmeter 4 and pressure transducer 5 outputs force value and flow value for Testing apparatus, and can be with the numerical value instant playback at software interface, meanwhile computing machine utilizes this software can generate pressure-time curve, flow-time curve immediately.
Water supply system testing software interface mainly is divided into 4 functional areas: 1) pressure-time curve, flow-time curve viewing area; 2) the real-time viewing area of pressure and data on flows; 3) data conservation zone; 4) sampling rate regulatory region:
(1) pressure-time curve, flow-time curve viewing area
Local area can show whole pressure transducers simultaneously, the time dependent curve of the numerical value of electromagnetic flowmeter: pressure-time curve, flow-time curve, also can select the specified pressure sensor according to test request, and electromagnetic flowmeter shows.
(2) the real-time viewing area of pressure and data on flows
Local area can show that in real time the adjusting for experimental provision simultaneously provides guidance to the pressure transducer and the Electromagnetic Flow count value of gathering.
(3) data conservation zone
Collection of experiment data finishes to the click data save button from operating software.Can select the data storing path by local area.
(4) sampling rate regulatory region
Local area can be provided with the frequency of data collection, and minimum collection period 0.02s has guaranteed the accuracy of image data.
The water supply system testing software is reflected on the picture by the actual operating mode of each node water appliance of package unit, allows the student go understanding more intuitively, grasps.Show and mainly pass through: one, by electromagnetic flowmeter 4, pressure transducer 5, two, be reflected on the dynamic picture by each instant data of gathering, realize the observation of historical data curve and the observation of real time data curve, realize the pressure-time curve under each operating mode, pressure-flow curve, the flow-time curve dynamic demonstration on computers and the demonstration of process change; Also historical data and real time data can be carried out text output, so that carry out data preparation, analysis.
Little in line with taking up an area of, the economical and practical and requirement that can accomplish the end in view, as the pipe network water supply device, wherein high-pressure pump and low-lift pump are each 1 by 2 variable frequency pumps for present embodiment, and the water source adopts the stainless steel cyclic water tank.
Adopt 2 kinds of different tube diameters (DN15mm, the water supply network that cast carbon steel simulation DN20mm) is used for the user; The electromagnetic flowmeter that 4 identical calibers are set is measured the outflow of process water supply system utensil; 5 water node places are provided with 8 pressure transducers and measure node pressure; The water supply of water pump removes a part and is back to the water source water tank through water distribution terminal (water swivel, shower nozzle), and remainder is back to water tank by recirculatory pipe; The package unit bottom righthand side is provided with draw-off valve, but blowdown piping, the water tank bottom also is provided with atmospheric valve, in order to when device does not move, and the emptying water tank.
Be provided with 10 manually-operated gates in the middle of the pipeline, realize the variation of each branch road water yield by regulating water valve opening degree difference, thereby make the force value of each node change, simulate each node operating mode in actual use; Meanwhile utilize water pump switch board frequency conversion button continuous frequency conversion to realize that the variation of the pressure of supply water of water pump and output changes the working pressure at node place.
The device of present embodiment design can be finished following test and test function: 1) effect of easing stress and the energy loss rule of reduction valve under different operating modes; 2) loss of flood peak rule of filtrator under different operating modes; 3) loss of flood peak and the metering accuracy of water meter under different operating modes; 4) water swivel, shower nozzle go out to flow feature under different operating modes; 5) various indoor water-supply valve performances and resistance rule.It is convenient and swift to have assay method, and measurement result is accurate; The equipment easy accessibility, characteristics such as trial stretch is wide.
Claims (3)
1. water-saving performance test device of building water supply system water using apparatus, comprise that pressure provides and control system, water supply network and water appliance test macro, data acquisition and processing (DAP) system, is characterized in that: described pressure provides the variable frequency pump (2) be made up of each (1) the platform concurrent working of high-pressure frequency-conversion pump and low-voltage variable frequency pump with control system and the frequency modulation water pump switch board of control of conversion water pump (2) to form; Described water supply network comprises that with the water appliance test macro horizontal feedwater pipeline section (9) reaches the cyclic water tank (1) that is connected with vertical feedwater pipeline section (10) with vertical feedwater pipeline section (10), laterally feedwater pipeline section (9) is provided with two-layer, connect by vertical feedwater pipeline section (10), every layer of horizontal feedwater pipeline section (9) can be provided with the branch road more than two, every branch road is respectively arranged with manually-operated gate (3), flowmeter (4), pressure transducer (5), water appliance, water appliance comprises reduction valve (6), filtrator (11), common water meter (12), water swivel (8), shower nozzle (7), every branch road comprises one or more water appliances, the reduction valve in the water appliance (6), filtrator (11), the two ends of common water meter (12) are provided with pressure transducer (5) respectively; Described data acquisition and processing (DAP) system is by data collecting card, cable and utilize the water supply system testing software of LAB view software development to constitute; Wherein, pressure provide with control system in variable frequency pump (2) be connected with cyclic water tank (1), the water outlet of variable frequency pump (2) is supplied water to water supply network and water appliance test macro through non-return valve; Each flowmeter (4) and pressure transducer 5 in water supply network and the water appliance test macro) be connected to data collecting card respectively, the data of data collecting card reach the computer that contains the water system testing software through cable.
2. water-saving performance test device of building water supply system water using apparatus as claimed in claim 1 is characterized in that: described flowmeter (4) adopts electromagnetic flowmeter.
3. water-saving performance test device of building water supply system water using apparatus as claimed in claim 1 is characterized in that: described data collecting card adopts 16 road PCI6220 capture cards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010128792 CN101799371A (en) | 2010-03-22 | 2010-03-22 | Water-saving performance test device of building water supply system water using apparatus |
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| CN 201010128792 CN101799371A (en) | 2010-03-22 | 2010-03-22 | Water-saving performance test device of building water supply system water using apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607838A (en) * | 2012-03-28 | 2012-07-25 | 江苏大学 | Testing system and testing method for hydraulic characteristic test of rotary spray nozzle |
| CN109523889A (en) * | 2018-11-30 | 2019-03-26 | 中国建筑设计研究院有限公司 | A kind of building secondary water-supply energy conservation pilot test system and method |
| CN110595809A (en) * | 2019-08-26 | 2019-12-20 | 老肯医疗科技股份有限公司 | Test system for medical cleaning machine and use method thereof |
| CN111050122A (en) * | 2019-11-20 | 2020-04-21 | 安徽舜禹水务股份有限公司 | Two supply pump house sewage treatment station wisdom security protection monitored control systems |
| CN112881049A (en) * | 2021-01-11 | 2021-06-01 | 南方智水科技有限公司 | Intelligent variable-pressure water supply whole pipe network simulation system and method |
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| CN101539445A (en) * | 2009-04-30 | 2009-09-23 | 泉州市闽南五金机械设备制造有限公司 | Method and device for testing flux of water heating product |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607838A (en) * | 2012-03-28 | 2012-07-25 | 江苏大学 | Testing system and testing method for hydraulic characteristic test of rotary spray nozzle |
| CN102607838B (en) * | 2012-03-28 | 2014-10-29 | 江苏大学 | Testing system and testing method for hydraulic characteristic test of rotary spray nozzle |
| CN109523889A (en) * | 2018-11-30 | 2019-03-26 | 中国建筑设计研究院有限公司 | A kind of building secondary water-supply energy conservation pilot test system and method |
| CN110595809A (en) * | 2019-08-26 | 2019-12-20 | 老肯医疗科技股份有限公司 | Test system for medical cleaning machine and use method thereof |
| CN110595809B (en) * | 2019-08-26 | 2021-08-03 | 老肯医疗科技股份有限公司 | Test system for medical cleaning machine and use method thereof |
| CN111050122A (en) * | 2019-11-20 | 2020-04-21 | 安徽舜禹水务股份有限公司 | Two supply pump house sewage treatment station wisdom security protection monitored control systems |
| CN112881049A (en) * | 2021-01-11 | 2021-06-01 | 南方智水科技有限公司 | Intelligent variable-pressure water supply whole pipe network simulation system and method |
| CN112881049B (en) * | 2021-01-11 | 2022-10-11 | 南方智水科技有限公司 | Intelligent pressure-variable water supply whole pipe network simulation system and method |
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Open date: 20100811 |