CN103308331A - Pressure testing system for instant water heater - Google Patents
Pressure testing system for instant water heater Download PDFInfo
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- CN103308331A CN103308331A CN2012100698423A CN201210069842A CN103308331A CN 103308331 A CN103308331 A CN 103308331A CN 2012100698423 A CN2012100698423 A CN 2012100698423A CN 201210069842 A CN201210069842 A CN 201210069842A CN 103308331 A CN103308331 A CN 103308331A
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- heating water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000008236 heating water Substances 0.000 claims description 37
- 101100190617 Arabidopsis thaliana PLC2 gene Proteins 0.000 claims description 13
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 claims description 13
- 101100464304 Caenorhabditis elegans plk-3 gene Proteins 0.000 claims description 13
- 101100093534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPS1B gene Proteins 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The invention relates to a pressure testing system for an instant water heater. The pressure testing system comprises a constant temperature water pipeline system, an electrical control system and a data signal acquisition and analysis system. The pressure testing system has the advantages that the pressure of thermostatted water is set according to the national standard; under the control of the electrical control system and the data signal acquisition and analysis system, the instant water heater is subjected with seven testings under different pressures, and the seven kinds of pressuresare subjected with at least three cycle tests in short time; the whole testing process is in automatic control; the testing data is recorded in a PLC2 (programmable logic controller) control screen, and a database is established for providing reliable data for late debugging; each instant water heater leaves the factory after satisfying the national standard; and the application safety factor of customers is improved.
Description
Technical field
The invention belongs to a kind of laboratory testing system, particularly a kind of immediately heating water heater pressure testing system.
Background technology
The immediately heating water heater heating water heater of expressing one's gratification again, the basic characteristics of immediately heating water heater are: the cold water superheated water goes out, as long as one turn on the tap, namely can continuously supply with hot water continuously in several seconds, and during without hot water, turning off the tap gets final product.
Constantly perfect along with immediately heating water heater national standard system also improves constantly for the examination requirements of the index of correlation of immediately heating water heater.And the test of immediately heating water heater pressure is not also had professional proving installation, and still put into market through after the artificial simple test mostly, so not only test job amount of way is big, testing efficiency is low, and consumer's safety can not get ensureing.Therefore, need a kind of new technical scheme to solve above-mentioned technical matters.
Summary of the invention
The purpose of this invention is to provide a kind of immediately heating water heater pressure testing system that can solve the problems of the technologies described above.This system is whether the performance that the mode that tests out coolant-temperature gage when utilizing intake pressure to change is tested water heater meets national standard.
The technical scheme that the present invention solves the problems of the technologies described above employing is:
A kind of immediately heating water heater pressure testing system comprises thermostatted water pipeline system, electric control system and data-signal acquisition analysis system, and described thermostatted water pipeline system comprises constant temperature water inlet pipe, pipeline and water tank; Described electric control system comprises water pump, first pressure transducer, pressure adjustment assembly, second pressure transducer and temperature sensor; Described data-signal acquisition analysis system comprises frequency converter and PLC2 control flow, is connected with power supply box between described frequency converter and PLC2 control flow; Described constant temperature water inlet pipe comprises first arm and second arm, described first arm directly links to each other with immediately heating water heater water inlet pipe on the test board, described second arm links to each other with water tank, and described water tank is connected with water pump, safety valve, first pressure transducer, pressure adjustment assembly, second non-return valve, second pressure transducer and immediately heating water heater water inlet pipe in turn by pipeline; Be disposed with ball valve on described first arm, first solenoid valve and first non-return valve, form first loop by pipeline between described safety valve and water tank, form second loop by pipeline between described pressure adjustment assembly and water tank, be disposed with second solenoid valve and ball valve on described second loop, described test board is provided with the immediately heating water heater drainpipe, this drainpipe is provided with temperature sensor, described frequency converter and water pump, first pressure transducer connects, described PLC2 control flow and first solenoid valve, pressure adjustment assembly, second solenoid valve, second pressure transducer is connected with temperature sensor.
Pressure adjustment assembly comprises expansion drum and three ratio adjusting valves parallel with one another that are connected the first pressure inductor back, and described three ratio adjusting valves all link to each other with the RLC2 control flow.
The initial intake pressure of constant temperature water inlet pipe is 0.3 ± 0.01Mpa.
Be provided with ball valve on second arm, immediately heating water heater water inlet pipe and the immediately heating water heater rising pipe.
Advantage of the present invention is: the pressure of setting thermostatted water according to national standard, and under the control of electric control system and data-signal acquisition analysis system, can carry out the test of seven different pressures to immediately heating water heater, and at short notice above-mentioned seven kinds of pressure are carried out at least three times loop test, whole test process robotization control, test data is recorded in the PLC2 control flow and sets up database, for the later stage debugging provides authentic data, guarantee to dispatch from the factory after every immediately heating water heater meets request of national standard, improve the consumer and use safety coefficient.
Description of drawings
Fig. 1 is system diagram of the present invention.
Wherein: 1, constant temperature water inlet pipe, 2, pipeline, 3, water tank; 4, water pump, 5, first pressure transducer, 6, second pressure transducer, 7, ratio adjusting valve, 8, frequency converter, 9, the PLC2 control flow, 10, power supply box, 11, first arm, 12, second arm, 13, test board, 14, immediately heating water heater water inlet pipe, 15, safety valve, 16, second non-return valve, 17, ball valve, 18, first solenoid valve, 19, first non-return valve, 20, first loop, 21, second loop, 22, second solenoid valve, 23, immediately heating water heater drainpipe, 24, temperature sensor, 25, expansion drum.
Embodiment
As described in Figure 1, a kind of immediately heating water heater pressure testing system comprises thermostatted water pipeline system, electric control system and data-signal acquisition analysis system, and thermostatted water pipeline system comprises constant temperature water inlet pipe 1, pipeline 2 and water tank 3; Electric control system comprises water pump 4, first pressure transducer 5, pressure adjustment assembly, second pressure transducer 6 and temperature sensor 24; The data-signal acquisition analysis system comprises frequency converter 8 and PLC2 control flow 9, and 9 of frequency converter 8 and PLC2 control flows are connected with power supply box 10; The constant temperature water inlet pipe comprises first arm 11 and second arm 12, first arm, 11 immediately heating water heater water inlet pipes 14 direct and on the test board 13 link to each other, second arm 12 links to each other with water tank 3, and water tank 3 is connected with water pump 4, safety valve 15, first pressure transducer 5, pressure adjustment assembly, second non-return valve 16, second pressure transducer 6 and immediately heating water heater water inlet pipe 14 in turn by pipeline 2; Be disposed with ball valve 17 on first arm 11, first solenoid valve 18 and first non-return valve 19,3 in safety valve 15 and water tank pass through pipeline 2 and form first loop 20,3 in pressure adjustment assembly and water tank pass through pipeline 2 and form second loop 21, be disposed with second solenoid valve 22 and ball valve 17 on second loop 21, test board 13 is provided with immediately heating water heater drainpipe 23, this drainpipe 23 is provided with temperature sensor 24, frequency converter 8 and water pump 4, first pressure transducer 5 connects PLC2 control flow 9 and first solenoid valve 18, pressure adjustment assembly, second solenoid valve 22, second pressure transducer 6 is connected with temperature sensor 24.
Pressure adjustment assembly comprises expansion drum 25 and three ratio adjusting valves parallel with one another 7 that are connected first pressure inductor, 5 back, three ratio adjusting valves 7 all link to each other with PLC2 control flow 9, and the flow control in 21 in proportion of utilization variable valve 7 and first loop 20 and second loop reaches and regulates above-mentioned seven pressure quickly and accurately and change like this.For the ease of controlling the flow direction of water in each pipeline, be provided with ball valve 17 at second arm 12, immediately heating water heater water inlet pipe 14 and immediately heating water heater rising pipe 23.
Operation of the present invention is: immediately heating water heater is installed on the test board, water inlet pipe is connected with immediately heating water heater with drainpipe, regulate the interior supply water temperature of constant temperature water inlet pipe for being 15 ± 1 degree, water pressure 0.3 ± 0.01Mpa, supply voltage are 220 ± 2V.Keep first arm unimpeded to immediately heating water heater, close other pipelines, treat that drainpipe discharged water the detection record leaving water temperature 180 ± 15 seconds.Automatically close first arm then, other pipelines of selectively unlocking, and adjusting hydraulic pressure reaches following seven setting values and records each leaving water temperature in 1 second: for the first time, 0.5 ± 0.02MP; For the second time, 1 ± 0.02MP; For the third time, 0.3 ± 0.01MP; The 4th time, 0.2 ± 0.01MP; The 5th time, 0.1 ± 0.005MP; The 6th time, 0.05 ± 0.02MP; The 7th time, 0.3 ± 0.01MP repeats above step test at least 3 times.
Claims (4)
1. an immediately heating water heater pressure testing system comprises thermostatted water pipeline system, electric control system and data-signal acquisition analysis system, it is characterized in that: described thermostatted water pipeline system comprises constant temperature water inlet pipe, pipeline and water tank; Described electric control system comprises water pump, first pressure transducer, pressure adjustment assembly, second pressure transducer and temperature sensor; Described data-signal acquisition analysis system comprises frequency converter and PLC2 control flow, is connected with power supply box between described frequency converter and PLC2 control flow; Described constant temperature water inlet pipe comprises first arm and second arm, described first arm directly links to each other with immediately heating water heater water inlet pipe on the test board, described second arm links to each other with water tank, and described water tank is connected with water pump, safety valve, first pressure transducer, pressure adjustment assembly, second non-return valve, second pressure transducer and immediately heating water heater water inlet pipe in turn by pipeline; Be disposed with ball valve on described first arm, first solenoid valve and first non-return valve, form first loop by pipeline between described safety valve and water tank, form second loop by pipeline between described pressure adjustment assembly and water tank, be disposed with second solenoid valve and ball valve on described second loop, described test board is provided with the immediately heating water heater drainpipe, this drainpipe is provided with temperature sensor, described frequency converter and water pump, first pressure transducer connects, described PLC2 control flow and first solenoid valve, pressure adjustment assembly, second solenoid valve, second pressure transducer is connected with temperature sensor.
2. a kind of immediately heating water heater pressure testing system according to claim 1, it is characterized in that: described pressure adjustment assembly comprises expansion drum and three ratio adjusting valves parallel with one another that are connected the first pressure inductor back, and described three ratio adjusting valves all link to each other with the PLC2 control flow.
3. a kind of immediately heating water heater pressure testing system according to claim 1, it is characterized in that: the initial intake pressure of described constant temperature water inlet pipe is 0.3 ± 0.01Mpa.
4. a kind of immediately heating water heater pressure testing system according to claim 1 is characterized in that: be provided with ball valve on described second arm, immediately heating water heater water inlet pipe and the immediately heating water heater rising pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069842.3A CN103308331B (en) | 2012-03-16 | 2012-03-16 | A kind of immediately heating water heater pressure testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069842.3A CN103308331B (en) | 2012-03-16 | 2012-03-16 | A kind of immediately heating water heater pressure testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103308331A true CN103308331A (en) | 2013-09-18 |
| CN103308331B CN103308331B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210069842.3A Expired - Fee Related CN103308331B (en) | 2012-03-16 | 2012-03-16 | A kind of immediately heating water heater pressure testing system |
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| CN (1) | CN103308331B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615068A (en) * | 2014-12-24 | 2015-05-13 | 中华人民共和国余姚出入境检验检疫局 | Water heater overtemperature protection durability test system |
| CN107065944A (en) * | 2016-11-30 | 2017-08-18 | 宁波方太厨具有限公司 | A kind of testing equipment of simulation water flowed fluctuation |
| CN109506370A (en) * | 2018-09-07 | 2019-03-22 | 广东出入境检验检疫局检验检疫技术中心 | A kind of instantaneous water heater's security appliance test device |
| CN109596324A (en) * | 2017-09-29 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of gas water heater water path voltage-resisting test apparatus and its test method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064230A (en) * | 2004-08-25 | 2006-03-09 | Matsushita Electric Ind Co Ltd | Water heater |
| CN2802491Y (en) * | 2005-07-05 | 2006-08-02 | 博益(天津)气动技术研究所有限公司 | Integral testing system for gas water heater |
| CN201072381Y (en) * | 2007-07-13 | 2008-06-11 | 姚克农 | Synthetic performance test system of gas burning water heater |
| CN201780213U (en) * | 2010-08-30 | 2011-03-30 | 山东力诺瑞特新能源有限公司 | Thermal performance detection system of balcony wall-mounted solar water heater |
| KR20110057653A (en) * | 2009-11-24 | 2011-06-01 | 대우조선해양 주식회사 | Hot water production system using thermal oil |
| CN201885751U (en) * | 2010-11-26 | 2011-06-29 | 山东省产品质量监督检验研究院 | Full-automatic load adjusting and weighing energy efficiency testing table for fuel water heater |
-
2012
- 2012-03-16 CN CN201210069842.3A patent/CN103308331B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064230A (en) * | 2004-08-25 | 2006-03-09 | Matsushita Electric Ind Co Ltd | Water heater |
| CN2802491Y (en) * | 2005-07-05 | 2006-08-02 | 博益(天津)气动技术研究所有限公司 | Integral testing system for gas water heater |
| CN201072381Y (en) * | 2007-07-13 | 2008-06-11 | 姚克农 | Synthetic performance test system of gas burning water heater |
| KR20110057653A (en) * | 2009-11-24 | 2011-06-01 | 대우조선해양 주식회사 | Hot water production system using thermal oil |
| CN201780213U (en) * | 2010-08-30 | 2011-03-30 | 山东力诺瑞特新能源有限公司 | Thermal performance detection system of balcony wall-mounted solar water heater |
| CN201885751U (en) * | 2010-11-26 | 2011-06-29 | 山东省产品质量监督检验研究院 | Full-automatic load adjusting and weighing energy efficiency testing table for fuel water heater |
Non-Patent Citations (2)
| Title |
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| 杨名大 等: "燃气热水器性能自动检测系统的研制", 《数据采集与处理》 * |
| 秦晓鹏: "燃气具综合实验台的设计和应用", 《科技创新与生产力》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615068A (en) * | 2014-12-24 | 2015-05-13 | 中华人民共和国余姚出入境检验检疫局 | Water heater overtemperature protection durability test system |
| CN107065944A (en) * | 2016-11-30 | 2017-08-18 | 宁波方太厨具有限公司 | A kind of testing equipment of simulation water flowed fluctuation |
| CN109596324A (en) * | 2017-09-29 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of gas water heater water path voltage-resisting test apparatus and its test method |
| CN109596324B (en) * | 2017-09-29 | 2020-07-28 | 宁波方太厨具有限公司 | Water channel pressure resistance test equipment and test method for gas water heater |
| CN109506370A (en) * | 2018-09-07 | 2019-03-22 | 广东出入境检验检疫局检验检疫技术中心 | A kind of instantaneous water heater's security appliance test device |
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| Publication number | Publication date |
|---|---|
| CN103308331B (en) | 2016-06-15 |
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