CN103308212B - Temperature testing system for instant water heater - Google Patents
Temperature testing system for instant water heater Download PDFInfo
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- CN103308212B CN103308212B CN201210069815.6A CN201210069815A CN103308212B CN 103308212 B CN103308212 B CN 103308212B CN 201210069815 A CN201210069815 A CN 201210069815A CN 103308212 B CN103308212 B CN 103308212B
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- water
- temperature
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- pipe
- inlet pipe
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Abstract
The invention relates to a temperature testing system for an instant water heater. The temperature testing system is characterized by comprising a constant temperature water pipe system, a water temperature control system and a data acquisition and analysis system. The temperature testing system has the advantages that the pressure of thermostatted water is set according to the national standard; under the control of the water temperature control system and the data signal acquisition and analysis system, the instant water heater is subjected to three testings under different temperatures; the whole testing process is in automatic control; the testing data is recorded in a PLC1 (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 Research on Automatic Measuring System of Temperature.
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 supplying hot water continuously in a few second, and during without hot water, turn off the tap.
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 of immediately heating water heater temperature also be there is no to the proving installation of specialty, put into market after being mostly also through artificial simple test, such way not only test job amount is large, testing efficiency is low, and the safety of consumer can not get ensureing.Therefore, a kind of new technical scheme is needed to solve above-mentioned technical matters.
Summary of the invention
The object of this invention is to provide a kind of immediately heating water heater Research on Automatic Measuring System of Temperature that can solve the problems of the technologies described above.This system utilizes three kinds of different inflow temperatures whether to meet national standard to test out coolant-temperature gage.
The technical scheme that the present invention solves the problems of the technologies described above employing is:
A kind of immediately heating water heater Research on Automatic Measuring System of Temperature, comprises constant temperature water pipe system, water temperature control system and data acquisition and analysis system;
Described constant temperature water pipe system comprises constant temperature water inlet pipe and pipeline, described constant temperature water inlet pipe is connected with the immediately heating water heater water inlet pipe on test board by pipeline, described immediately heating water heater water inlet pipe is provided with the first ball valve, described constant temperature water inlet pipe is connected with the second ball valve, the first solenoid valve and the first non-return valve in turn;
Described water temperature control system comprises heating cabinet, cold water storage cistern and cooling-water machine, described heating cabinet is connected with constant temperature water inlet pipe by the first water inlet pipe, described first water inlet pipe is provided with the second solenoid valve, well heater and the first temperature transmitter is provided with in described heating cabinet, described cold water storage cistern is connected with constant temperature water inlet pipe by the second water inlet pipe, described second water inlet pipe is provided with the 3rd solenoid valve, second temperature transmitter is set in described cold water storage cistern, described cooling-water machine is connected with cold water storage cistern by pipeline, the bottom of described heating cabinet is provided with the first rising pipe, this first rising pipe is disposed with the 3rd ball valve, 4th solenoid valve and the second non-return valve, the bottom of described cold water storage cistern is provided with the second rising pipe, this second rising pipe is disposed with the 4th ball valve, 5th solenoid valve and the 3rd non-return valve, described first, two rising pipes are all connected with the immediately heating water heater water inlet pipe on test board by ascending pipe, described ascending pipe is disposed with the 5th ball valve and water pump,
Described test board is also provided with immediately heating water heater drainpipe, this immediately heating water heater drainpipe is disposed with the 6th ball valve, the 6th solenoid valve and temperature sensor;
Described data signal acquisition analytic system comprises PLC1 control flow and temperature controller, described PLC1 control flow is connected with the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve, water pump and temperature sensor, and described temperature controller is connected with well heater, the first temperature transmitter and the second temperature transmitter.
The bottom of described cold water storage cistern is provided with coil pipe, and described cooling-water machine is connected with coil pipe by pipeline, and the cold water in cooling-water machine circulates between cooling-water machine and coil pipe.
The bottom of described heating cabinet and cold water storage cistern is provided with blowdown and overflow pipe.
Advantage of the present invention is: according to the pressure of national standard setting thermostatted water, and under the control of water temperature control system and data signal acquisition analytic system, the test of three kinds of different temperatures can be carried out to immediately heating water heater, whole test process automation controls, test data is recorded in the interior also building database of PLC1 control flow, for later stage debugging provides authentic data, guarantee that every platform immediately heating water heater can dispatch from the factory after meeting the requirement of national standard, improve consumer's use safety coefficient.
Accompanying drawing explanation
Fig. 1 is system diagram of the present invention.
Wherein: 1, constant temperature water inlet pipe, 2, pipeline, 3, on test board, 4, immediately heating water heater water inlet pipe, 5-1, first ball valve, 5-2, second ball valve, 5-3, 3rd ball valve, 5-4, 4th ball valve, 5-5, 5th ball valve, 5-6, 6th ball valve, 6, first solenoid valve, 7, first non-return valve, 8, heating cabinet, 9, cold water storage cistern, 10, cooling-water machine, 11, first water inlet pipe, 12, second solenoid valve, 13, well heater, 14, first temperature transmitter, 15, second water inlet pipe, 16, 3rd solenoid valve, 17, second temperature transmitter, 18, first rising pipe, 19, 4th solenoid valve, 20, second non-return valve, 21, second rising pipe, 22, 5th solenoid valve, 23, 3rd non-return valve, 24, ascending pipe, 25, water pump, 26, immediately heating water heater drainpipe, 27, 6th solenoid valve, 28, temperature sensor, 29, PLC1 control flow, 30, temperature controller, 31, coil pipe, 32, blowdown and overflow pipe.
Embodiment
As shown in Figure 1, a kind of immediately heating water heater Research on Automatic Measuring System of Temperature, comprises constant temperature water pipe system, water temperature control system and data acquisition and analysis system;
Constant temperature water pipe system comprises constant temperature water inlet pipe 1 and pipeline 2, constant temperature water inlet pipe 1 is connected with the immediately heating water heater water inlet pipe 4 on test board 3 by pipeline 2, immediately heating water heater water inlet pipe 4 is provided with the first ball valve 5-1, constant temperature water inlet pipe 1 is connected with in turn the second ball valve 5-2, the first solenoid valve 6 and the first non-return valve 7;
Water temperature control system comprises heating cabinet 8, cold water storage cistern 9 and cooling-water machine 10, heating cabinet 8 is connected with constant temperature water inlet pipe 1 by the first water inlet pipe 11, first water inlet pipe 11 is provided with the second solenoid valve 12, well heater 13 and the first temperature transmitter 14 is provided with in heating cabinet 8, cold water storage cistern 9 is connected with constant temperature water inlet pipe 1 by the second water inlet pipe 15, second water inlet pipe 15 is provided with the 3rd solenoid valve 16, second temperature transmitter 17 is set in cold water storage cistern 9, cooling-water machine 10 is connected with cold water storage cistern 9 by pipeline 2, the first rising pipe 18 is provided with in the bottom of heating cabinet 8, this first rising pipe 18 is disposed with the 3rd ball valve 5-3, 4th solenoid valve 19 and the second non-return valve 20, the second rising pipe 21 is provided with in the bottom of cold water storage cistern 9, this second rising pipe 21 is disposed with the 4th ball valve 5-4, 5th solenoid valve 22 and the 3rd non-return valve 23, first, two rising pipes 18, 21 are all connected with the immediately heating water heater water inlet pipe 4 on test board 3 by ascending pipe 24, ascending pipe 24 is disposed with the 5th ball valve 5-5 and water pump 25,
Test board 3 is also provided with immediately heating water heater drainpipe 26, this immediately heating water heater drainpipe 26 is disposed with the 6th ball valve 5-6, the 6th solenoid valve 27 and temperature sensor 28;
Data signal acquisition analytic system comprises PLC1 control flow 29 and temperature controller 30, PLC1 control flow 29 is connected with the first solenoid valve 6, second solenoid valve 12, the 3rd solenoid valve 16, the 4th solenoid valve 19, the 5th solenoid valve 22, the 6th solenoid valve 27, water pump 25 and temperature sensor 28, and temperature controller 30 is connected with well heater 13, first temperature transmitter 14 and the second temperature transmitter 17.
The bottom of cold water storage cistern 9 is provided with coil pipe 31, and cooling-water machine 10 is connected with coil pipe 31 by pipeline 2, and the cold water in cooling-water machine 10 circulates between cooling-water machine 10 and coil pipe 31.
Blowdown and overflow pipe 32 is provided with in the bottom of heating cabinet 8 and cold water storage cistern 9.
Operation of the present invention is: be arranged on by immediately heating water heater on test board, connect immediately heating water heater water inlet pipe and drainpipe, then the first solenoid valve is opened, close second and third solenoid valve, and regulate water supply for temperature 15 ± 1 DEG C, hydraulic pressure is 0.3 ± 0.01Mpa, and supply voltage is set to 220 ± 2V; Then hold mode regulates temperature to control to 40 ± 2 DEG C, after discharging water 180 ± 15 seconds, and detection record output water temperature; Then first and second solenoid valve is closed, open the 3rd solenoid valve, and regulate rapidly and reach 7 ± 1 DEG C into water water temperature, detection record output water temperature after 120 ± 5 seconds, then first and third solenoid valve is closed, open the second solenoid valve, and regulate rapidly and reach 20 ± 1 DEG C into water water temperature, detection record output water temperature after 120 ± 5 seconds.
Claims (3)
1. an immediately heating water heater Research on Automatic Measuring System of Temperature, is characterized in that: comprise constant temperature water pipe system, water temperature control system and data acquisition and analysis system;
Described constant temperature water pipe system comprises constant temperature water inlet pipe and pipeline, described constant temperature water inlet pipe is connected with the immediately heating water heater water inlet pipe on test board by pipeline, described immediately heating water heater water inlet pipe is provided with the first ball valve, described constant temperature water inlet pipe is connected with the second ball valve, the first solenoid valve and the first non-return valve in turn;
Described water temperature control system comprises heating cabinet, cold water storage cistern and cooling-water machine, described heating cabinet is connected with constant temperature water inlet pipe by the first water inlet pipe, described first water inlet pipe is provided with the second solenoid valve, well heater and the first temperature transmitter is provided with in described heating cabinet, described cold water storage cistern is connected with constant temperature water inlet pipe by the second water inlet pipe, described second water inlet pipe is provided with the 3rd solenoid valve, second temperature transmitter is set in described cold water storage cistern, described cooling-water machine is connected with cold water storage cistern by pipeline, the bottom of described heating cabinet is provided with the first rising pipe, this first rising pipe is disposed with the 3rd ball valve, 4th solenoid valve and the second non-return valve, the bottom of described cold water storage cistern is provided with the second rising pipe, this second rising pipe is disposed with the 4th ball valve, 5th solenoid valve and the 3rd non-return valve, described first, two rising pipes are all connected with the immediately heating water heater water inlet pipe on test board by ascending pipe, described ascending pipe is disposed with the 5th ball valve and water pump,
Described test board is also provided with immediately heating water heater drainpipe, this immediately heating water heater drainpipe is disposed with the 6th ball valve, the 6th solenoid valve and temperature sensor;
Described data signal acquisition analytic system comprises PLC1 control flow and temperature controller, described PLC1 control flow is connected with the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th solenoid valve, water pump and temperature sensor, and described temperature controller is connected with well heater, the first temperature transmitter and the second temperature transmitter.
2. a kind of immediately heating water heater Research on Automatic Measuring System of Temperature according to claim 1, it is characterized in that: the bottom of described cold water storage cistern is provided with coil pipe, described cooling-water machine is connected with coil pipe by pipeline, and the cold water in cooling-water machine circulates between cooling-water machine and coil pipe.
3. a kind of immediately heating water heater Research on Automatic Measuring System of Temperature according to claim 1, is characterized in that: the bottom of described heating cabinet and cold water storage cistern is provided with blowdown and overflow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069815.6A CN103308212B (en) | 2012-03-16 | 2012-03-16 | Temperature testing system for instant water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069815.6A CN103308212B (en) | 2012-03-16 | 2012-03-16 | Temperature testing system for instant water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103308212A CN103308212A (en) | 2013-09-18 |
| CN103308212B true CN103308212B (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210069815.6A Expired - Fee Related CN103308212B (en) | 2012-03-16 | 2012-03-16 | Temperature testing system for instant water heater |
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| CN (1) | CN103308212B (en) |
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 |
| CN106940092B (en) * | 2017-03-24 | 2019-04-09 | 广州安博检测有限公司 | A kind of solar thermal collector thermal efficiency open loop water system |
| CN108151787B (en) * | 2017-11-28 | 2020-02-14 | 深圳达实智能股份有限公司 | Hospital ward hot water temperature rise detection device and method |
| CN107883589A (en) * | 2017-12-29 | 2018-04-06 | 广州帝胜智能科技有限公司 | A kind of instantaneous water heater is dispatched from the factory the debugging system of correction |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2127338A1 (en) * | 1994-07-04 | 1996-01-05 | Nazir Dosani | Water heater |
| JP3978295B2 (en) * | 1999-04-30 | 2007-09-19 | 大阪瓦斯株式会社 | Gas demand forecasting method and gas demand forecasting system |
| CN101424598B (en) * | 2008-12-11 | 2011-04-13 | 中国科学院电工研究所 | Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method |
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2012
- 2012-03-16 CN CN201210069815.6A patent/CN103308212B/en not_active Expired - Fee Related
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| CN103308212A (en) | 2013-09-18 |
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Application publication date: 20130918 Assignee: Nantong Yangguang environmental protection equipment Co., Ltd. Assignor: Sang Xiaofei Contract record no.: 2015320010104 Denomination of invention: Temperature testing system for instant water heater Granted publication date: 20150225 License type: Exclusive License Record date: 20150623 |
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