CN104131972B - A kind of refrigerator feed pump tester - Google Patents
A kind of refrigerator feed pump tester Download PDFInfo
- Publication number
- CN104131972B CN104131972B CN201410401633.3A CN201410401633A CN104131972B CN 104131972 B CN104131972 B CN 104131972B CN 201410401633 A CN201410401633 A CN 201410401633A CN 104131972 B CN104131972 B CN 104131972B
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- China
- Prior art keywords
- feed pump
- wind pressure
- plc
- pressure transmitter
- converter
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of refrigerator feed pump tester, including voltage transmitter, wind pressure transmitter, PLC, rearrangeable switch power supply, A/D converter, described rearrangeable switch power supply, described voltage transmitter, described A/D converter, described PLC are sequentially connected with, described wind pressure transmitter is connected into described A/D converter, the air inlet of feed pump to be measured connects with the air outlet of described wind pressure transmitter, the air inlet connection air of described wind pressure transmitter。It is an advantage of the present invention to provide the test equipment of automatization to detect the performance parameters such as the refrigerator suction head of small-sized feed pump, electric current, the test environment that this tester is formed without adopting actual water post, the use making equipment is more convenient, and can move easily；Utilizing PLC to realize automatically controlling test, improve the accuracy of test result, efficiency significantly improves。
Description
Technical field
The present invention relates to a kind of parallel water pump instrument, particularly the tester of a kind of small-sized feed pump supplied water for refrigerator。
Background technology
Along with household electric refrigerator is to development superior, multi-functional, the electric refrigerator of some top grade has also had the function of water dispenser concurrently now, it is possible to directly take drinking water from electric refrigerator。Textural at electric refrigerator, realize such function, it is by the treatment with external measures drinking water of electric refrigerator and controls respectively through two small-sized self-priming gear pumps to ice machine water supply two-way water route, the wet part of crossing of this pump adopts NSF material to manufacture, meet the related request of food safety, it is ensured that pump sump height, lift, flow reach refrigerator requirement。
Pump to carry out corresponding performance parameter test, the existing test to this small-sized feed pump after finalization of the manufacture, is adopt the test device with true water column, acts on true water column by feed pump, obtain test result。Manual operation test process, then records test result。This test device is more simple and unadorned, inconvenience displacement, and test result is inaccurate, and each test item will manual operation, it is easy to produce mistake。
Summary of the invention
Goal of the invention: for the problems referred to above, it is an object of the invention to provide a kind of test equipment for small-sized feed pump, and test result is accurate, it is possible to use everywhere。
Technical scheme: a kind of refrigerator feed pump tester, including voltage transmitter, wind pressure transmitter, PLC, rearrangeable switch power supply, A/D converter, described rearrangeable switch power supply, described voltage transmitter, described A/D converter, described PLC are sequentially connected with, described wind pressure transmitter is connected into described A/D converter, the air inlet of feed pump to be measured connects with the air outlet of described wind pressure transmitter, the air inlet connection air of described wind pressure transmitter。
Also including touch control screen, described touch control screen is connected with described PLC, by touch control screen, it is possible to is arranged as required to test parameter, and optionally manipulates test process。
The testing sequence to test item is preset in described PLC。
Beneficial effect: compared with prior art, it is an advantage of the present invention to provide the test equipment of automatization to detect the performance parameters such as the refrigerator suction head of small-sized feed pump, electric current, the test environment that this tester is formed without adopting actual water post, the use making equipment is more convenient, and can move easily；Utilizing PLC to realize automatically controlling test, improve the accuracy of test result, efficiency significantly improves。
Accompanying drawing explanation
Accompanying drawing is present configuration schematic diagram。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention, after having read the present invention, the amendment of the various equivalent form of values of the present invention is all fallen within the application claims limited range by those skilled in the art。
As shown in drawings, a kind of refrigerator feed pump tester, mainly include voltage transmitter 1, wind pressure transmitter 2, PLC 3, rearrangeable switch power supply 4, A/D converter 5, touch control screen 8。With PLC 3 for core component, rearrangeable switch power supply 4 is connected to voltage transmitter 1, and voltage transmitter 1 is connected to A/D converter 5, and A/D converter 5 is connected to PLC 3；Wind pressure transmitter 2 is connected into A/D converter 5, and the air inlet of feed pump to be measured connects with the air outlet 6 of wind pressure transmitter 2, and the air inlet 7 of wind pressure transmitter 2 connects air；Touch control screen 8 is connected with PLC 3。The data wire 9 that connects through between parts transmits data。
When using the present invention, first, tester is connected external power source, by the air outlet receiving wind pressure transmitter correct for feed pump to be measured, and the power supply lead wire of feed pump to be measured is received the outfan of tester external power source；Then, on touch control screen, point " parameter setting " key enters parameter setting, arranges the rated operational voltage of feed pump to be measured then point " transmission " key, enters test interface, now feed pump normal operation to be measured。
Tester work hours evidence transmission: after touch control screen sets voltage, point send key sends data, PLC is sent to by data wire, then the data that PLC is handled well are passed to voltage transmitter by A/D converter, gone to control rearrangeable switch power supply by voltage transmitter again, rearrangeable switch power supply is allowed to export required voltage, voltage transmitter is gathering rearrangeable switch electric power output voltage again simultaneously, data are fed back to PLC by A/D converter and analyzes output voltage whether conformance with standard, thus form a close loop control circuit, by data wire, correct voltage is shown on touch control screen again。
Now feed pump to be measured works under rated voltage, constantly the air in wind pressure transmitter is extracted out, make the air in wind pressure transmitter constantly flow and trigger its internal negtive micropressure switch, then the analog quantity collected by negtive micropressure switch is spread out of by A/D converter and analyzes and processes to PLC, finally the data handled well is shown on the touchscreen by the form with water column that data wire is real-time。
The testing sequence to test item is preset, by the button arranged on touch control screen, it is possible to select required test item to be directly entered test process in PLC。
Claims (3)
1. a refrigerator feed pump tester, it is characterized in that: include voltage transmitter (1), wind pressure transmitter (2), PLC (3), rearrangeable switch power supply (4), A/D converter (5), described rearrangeable switch power supply (4), described voltage transmitter (1), described A/D converter (5), described PLC (3) is sequentially connected with, described wind pressure transmitter (2) is connected into described A/D converter (5), the air inlet of feed pump to be measured connects with the air outlet (6) of described wind pressure transmitter (2), air inlet (7) the connection air of described wind pressure transmitter (2)。
2. a kind of refrigerator feed pump tester according to claim 1, it is characterised in that: also including touch control screen (8), described touch control screen (8) is connected with described PLC (3)。
3. a kind of refrigerator feed pump tester according to claim 1, it is characterised in that: preset the testing sequence to test item in described PLC (3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401633.3A CN104131972B (en) | 2014-08-14 | 2014-08-14 | A kind of refrigerator feed pump tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401633.3A CN104131972B (en) | 2014-08-14 | 2014-08-14 | A kind of refrigerator feed pump tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104131972A CN104131972A (en) | 2014-11-05 |
| CN104131972B true CN104131972B (en) | 2016-06-22 |
Family
ID=51804778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410401633.3A Active CN104131972B (en) | 2014-08-14 | 2014-08-14 | A kind of refrigerator feed pump tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104131972B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691651A (en) * | 2012-05-23 | 2012-09-26 | 上海昶嘉工业设备有限公司 | Energy-saving tester for air-compressor system |
| CN102734148A (en) * | 2012-07-04 | 2012-10-17 | 杭州哲达科技股份有限公司 | Water pump type test method |
| CN203009263U (en) * | 2012-12-11 | 2013-06-19 | 天津众恒控制工程有限公司 | Air compressor performance test board for vehicle |
| CN103821709A (en) * | 2014-02-27 | 2014-05-28 | 江苏大学 | Self-checking device of water pump performance test system |
| CN204003409U (en) * | 2014-08-14 | 2014-12-10 | 镇江市中协电气有限公司 | A kind of refrigerator raw water service pump testing instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58210387A (en) * | 1982-05-31 | 1983-12-07 | Ebara Corp | Automatic inspection apparatus for pump |
-
2014
- 2014-08-14 CN CN201410401633.3A patent/CN104131972B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691651A (en) * | 2012-05-23 | 2012-09-26 | 上海昶嘉工业设备有限公司 | Energy-saving tester for air-compressor system |
| CN102734148A (en) * | 2012-07-04 | 2012-10-17 | 杭州哲达科技股份有限公司 | Water pump type test method |
| CN203009263U (en) * | 2012-12-11 | 2013-06-19 | 天津众恒控制工程有限公司 | Air compressor performance test board for vehicle |
| CN103821709A (en) * | 2014-02-27 | 2014-05-28 | 江苏大学 | Self-checking device of water pump performance test system |
| CN204003409U (en) * | 2014-08-14 | 2014-12-10 | 镇江市中协电气有限公司 | A kind of refrigerator raw water service pump testing instrument |
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| Publication number | Publication date |
|---|---|
| CN104131972A (en) | 2014-11-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 212000 Zhenjiang City, Jiangsu province Runzhou Industrial Park North of sericulture Applicant after: The Jiangsu automatically controlled Science and Technology Ltd. of triumphant moral Address before: 212000 Zhenjiang City, Jiangsu province Runzhou district on the west side of the bridge on the south side of the house with Intercity Railway Applicant before: Zhong Xie Electric Applicance Co., Ltd of Zhengjiang City |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHENJIANG ZHONGXIE ELECTRIC CO., LTD. TO: JIANGSU KAIDE ELECTRONIC CONTROL TECHNOLOGY CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |