CN103308331B - A kind of immediately heating water heater pressure testing system - Google Patents
A kind of immediately heating water heater pressure testing system Download PDFInfo
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- CN103308331B CN103308331B CN201210069842.3A CN201210069842A CN103308331B CN 103308331 B CN103308331 B CN 103308331B CN 201210069842 A CN201210069842 A CN 201210069842A CN 103308331 B CN103308331 B CN 103308331B
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- heating water
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Abstract
The present invention relates to a kind of immediately heating water heater pressure testing system, including thermostatted water pipe-line system, electric control system and data signal acquisition analysis system, the present invention sets the pressure of thermostatted water according to national standard, and under the control of electric control system and data signal acquisition analysis system, immediately heating water heater can be carried out the test of seven different pressures, and at short notice above-mentioned seven kinds of pressure are carried out the loop test of at least three times, whole test process automation controls, test data record is in PLC2 control panel and building database, infallible data is provided for later stage debugging, guarantee that every immediately heating water heater can dispatch from the factory after meeting the requirement of national standard, improve consumer and use safety coefficient.
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
Immediately heating water heater is also known as instantaneous water heater, and the basic characteristics of immediately heating water heater are: cold water superheated water goes out, as long as one turns on the tap, namely can continuously supply hot water continuously, during without hot water, turn off the tap in several seconds.
Constantly perfect along with immediately heating water heater national standard system, the examination requirements for the index of correlation of immediately heating water heater also improves constantly. And the test device but without specialty of testing to immediately heating water heater pressure, mostly still after artificial simple test, put into market, such way not only test job amount is big, testing efficiency is low, and the safety of consumer can not get ensureing. Accordingly, it would be desirable to a kind of new technical scheme solves above-mentioned technical problem.
Summary of the invention
It is an object of the invention to provide a kind of immediately heating water heater pressure testing system that can solve the problem that above-mentioned technical problem. This system is to utilize intake pressure to test out the mode of coolant-temperature gage when changing so that whether the performance testing water heater meets national standard.
This invention address that above-mentioned technical problem the technical scheme is that
A kind of immediately heating water heater pressure testing system, including thermostatted water pipe-line system, electric control system and data signal acquisition analysis system, described thermostatted water pipe-line system includes constant temperature water inlet pipe, pipeline and water tank; Described electric control system includes water pump, the first pressure transducer, pressure-regulating device, the second pressure transducer and temperature sensor; Described data signal acquisition is analyzed system and is included converter and PLC2 control panel, is connected to power supply box between described converter and PLC2 control panel; Described constant temperature water inlet pipe includes the first arm and the second arm, described first arm is directly connected with the immediately heating water heater water inlet pipe on testboard, described second arm is connected with water tank, and described water tank is connected with water pump, relief valve, the first pressure transducer, pressure-regulating device, the second check-valves, the second pressure transducer and immediately heating water heater water inlet pipe in turn by pipeline;Described first arm is disposed with the first ball valve, first electromagnetic valve and the first check-valves, the first loop is formed by pipeline between described relief valve and water tank, second servo loop is formed by pipeline between described pressure-regulating device and water tank, described second servo loop is disposed with the second electromagnetic valve and the second ball valve, described testboard is provided with immediately heating water heater drain pipe, this drain pipe is provided with temperature sensor, described converter and water pump, first pressure transducer connects, described PLC2 control panel and the first electromagnetic valve, pressure-regulating device, second electromagnetic valve, second pressure transducer and temperature sensor connect.
Pressure-regulating device includes being connected to the first pressure inductor expansion drum below and three ratio adjusting valves parallel with one another, and described three ratio adjusting valves are all connected with PLC2 control panel.
The initial intake pressure of constant temperature water inlet pipe is 0.3 ± 0.01Mpa.
Second arm, immediately heating water heater water inlet pipe and immediately heating water heater drain pipe are respectively arranged with the 3rd ball valve, the 4th ball valve and the 5th ball valve.
The invention have the advantage that the pressure setting thermostatted water according to national standard, and under the control of electric control system and data signal acquisition analysis system, immediately heating water heater can be carried out the test of seven different pressures, and at short notice above-mentioned seven kinds of pressure are carried out the loop test of at least three times, whole test process automation controls, test data record is in PLC2 control panel and building database, infallible data is provided for later stage debugging, guarantee that every immediately heating water heater can dispatch from the factory after meeting the requirement of national standard, improve consumer and use safety coefficient.
Accompanying drawing explanation
Fig. 1 is the 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, converter, 9, PLC2 control panel, 10, power supply box, 11, first arm, 12, second arm, 13, testboard, 14, immediately heating water heater water inlet pipe, 15, relief valve, 16, second check-valves, 17-1, first ball valve, 17-2, second ball valve, 17-3, 3rd ball valve, 17-4, 4th ball valve, 17-5, 5th ball valve, 18, first electromagnetic valve, 19, first check-valves, 20, first loop, 21, second servo loop, 22, second electromagnetic valve, 23, immediately heating water heater drain pipe, 24, temperature sensor, 25, expansion drum.
Detailed description of the invention
As described in Figure 1, a kind of immediately heating water heater pressure testing system, including thermostatted water pipe-line system, electric control system and data signal acquisition analysis system, thermostatted water pipe-line system includes constant temperature water inlet pipe 1, pipeline 2 and water tank 3; Electric control system includes water pump the 4, first pressure transducer 5, pressure-regulating device, the second pressure transducer 6 and temperature sensor 24; Data signal acquisition is analyzed system and is included converter 8 and PLC2 control panel 9, is connected to power supply box 10 between converter 8 and PLC2 control panel 9; Constant temperature water inlet pipe includes the first arm 11 and the second arm 12, first arm 11 is directly connected with the immediately heating water heater water inlet pipe 14 on testboard 13, second arm 12 is connected with water tank 3, and water tank 3 is connected with water pump 4, relief valve the 15, first pressure transducer 5, pressure-regulating device, the second check-valves the 16, second pressure transducer 6 and immediately heating water heater water inlet pipe 14 in turn by pipeline 2;First arm 11 is disposed with the first ball valve 17-1, first electromagnetic valve 18 and the first check-valves 19, the first loop 20 is formed by pipeline 2 between relief valve 15 and water tank 3, second servo loop 21 is formed by pipeline 2 between pressure-regulating device and water tank 3, second servo loop 21 is disposed with the second electromagnetic valve 22 and the second ball valve 17-2, testboard 13 is provided with immediately heating water heater drain pipe 23, this drain pipe 23 is provided with temperature sensor 24, converter 8 and water pump 4, first pressure transducer 5 connects, PLC2 control panel 9 and the first electromagnetic valve 18, pressure-regulating device, second electromagnetic valve 22, second pressure transducer 6 and temperature sensor 24 connect.
Pressure-regulating device includes being connected to the first pressure inductor 5 expansion drum 25 below and three ratio adjusting valves 7 parallel with one another, three ratio adjusting valves 7 are all connected with PLC2 control panel 9, and such proportion of utilization regulates the flow-control between valve 7 and the first loop 20 and second servo loop 21 and reaches to regulate above-mentioned seven pressure change quickly and accurately. For the ease of controlling the flow direction of water in each pipeline, the second arm 12, immediately heating water heater water inlet pipe 14 and immediately heating water heater drain pipe 23 are respectively arranged with the 3rd ball valve 17-3, the 4th ball valve 17-4 and the five ball valve 17-5.
The operation of the present invention is: be arranged on testboard by immediately heating water heater, water inlet pipe and drain pipe is connected with immediately heating water heater, and in regulating thermostatic water inlet pipe, supply water temperature is for for 15 ± 1 degree, and water pressure 0.3 ± 0.01Mpa, supply voltage is 220 ± 2V. Keep the first arm unimpeded to immediately heating water heater, close other pipelines, treat that drain pipe discharges water 180 ± 15 seconds, detection record leaving water temperature. Then the first arm it is automatically switched off, other pipelines of selectively unlocking, and adjustment 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; 4th time, 0.2 ± 0.01MP; 5th time, 0.1 ± 0.005MP; 6th time, 0.05 ± 0.02MP; 7th time, 0.3 ± 0.01MP, repeats above step and tests at least 3 times.
Claims (4)
1. an immediately heating water heater pressure testing system, including thermostatted water pipe-line system, electric control system and data signal acquisition analysis system, it is characterised in that: described thermostatted water pipe-line system includes constant temperature water inlet pipe, pipeline and water tank, described electric control system includes water pump, the first pressure transducer, pressure-regulating device, the second pressure transducer and temperature sensor, described data signal acquisition is analyzed system and is included converter and PLC2 control panel, is connected to power supply box between described converter and PLC2 control panel, described constant temperature water inlet pipe includes the first arm and the second arm, described first arm is directly connected with the immediately heating water heater water inlet pipe on testboard, described second arm is connected with water tank, and described water tank is connected with water pump, relief valve, the first pressure transducer, pressure-regulating device, the second check-valves, the second pressure transducer and immediately heating water heater water inlet pipe in turn by pipeline, described first arm is disposed with the first ball valve, first electromagnetic valve and the first check-valves, the first loop is formed by pipeline between described relief valve and water tank, second servo loop is formed by pipeline between described pressure-regulating device and water tank, described second servo loop is disposed with the second electromagnetic valve and the second ball valve, described testboard is provided with immediately heating water heater drain pipe, this drain pipe is provided with temperature sensor, described converter and water pump, first pressure transducer connects, described PLC2 control panel and the first electromagnetic valve, pressure-regulating device, second electromagnetic valve, second pressure transducer and temperature sensor connect.
2. a kind of immediately heating water heater pressure testing system according to claim 1, it is characterized in that: described pressure-regulating device includes being connected to the first pressure inductor expansion drum below and three ratio adjusting valves parallel with one another, and described three ratio adjusting valves are all connected with PLC2 control panel.
3. a kind of immediately heating water heater pressure testing system according to claim 1, it is characterised 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, it is characterised in that: described second arm, immediately heating water heater water inlet pipe and immediately heating water heater drain pipe are respectively arranged with the 3rd ball valve, the 4th ball valve and the 5th ball valve.
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 |
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| Publication Number | Publication Date |
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| CN103308331A CN103308331A (en) | 2013-09-18 |
| CN103308331B true CN103308331B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615068B (en) * | 2014-12-24 | 2017-04-26 | 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 |
| 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 |
Citations (6)
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|---|---|---|---|---|
| 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 generating 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 |
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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 generating 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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| 燃气具综合实验台的设计和应用;秦晓鹏;《科技创新与生产力》;20100930(第09期);第95-97页 * |
| 燃气热水器性能自动检测系统的研制;杨名大 等;《数据采集与处理》;19960930;第11卷(第3期);第203-206页 * |
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| CN103308331A (en) | 2013-09-18 |
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Granted publication date: 20160615 |