CN113866629A - Relay performance and durability combined test platform - Google Patents
Relay performance and durability combined test platform Download PDFInfo
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- CN113866629A CN113866629A CN202111403288.3A CN202111403288A CN113866629A CN 113866629 A CN113866629 A CN 113866629A CN 202111403288 A CN202111403288 A CN 202111403288A CN 113866629 A CN113866629 A CN 113866629A
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 230000001939 inductive effect Effects 0.000 claims abstract description 9
- 230000005284 excitation Effects 0.000 claims abstract description 4
- 238000004088 simulation Methods 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention discloses a relay performance and durability comprehensive test bed which comprises a rack, wherein a test host, a relay fixing tool, a relay coil power supply, various loads, a load power supply and a display are arranged on the rack, the test host is used for storing test parameters and control time sequences and controlling the test to be carried out by sending instructions, the relay fixing tool is used for fixing a tested relay, the relay coil power supply is used for providing energy for coil excitation of the tested relay, the various loads are used for providing different load conditions for simulation of the tested relay, the load power supply is used for providing required voltage and current for the various loads, and the display is used for displaying test results. The test bed is controlled by a computer, so that the operation is simple and the visibility is strong; open parameter settings are provided, which is convenient for adapting to various products; four load modes are adopted; the electronic load, the resistance load, the bulb load and the inductive load can comprehensively check the product; realize multichannel simultaneous detection, be convenient for detect in batches, it is efficient.
Description
Technical Field
The invention relates to the technical field of relay testing, in particular to a comprehensive test bed for the performance and durability of a relay.
Background
Relays are widely used in various control systems and loops, and some relays are used in safety or economic important system loops, and the reliability of the relays affects the safety or economic performance of the whole system or loop. The performance test and the durability test of the relay are always important fields of research in the electrical academia at home and abroad. However, the relay testing device on the market at present cannot realize mass tests in a multi-load mode, is complex in operation and low in testing efficiency, and cannot perform comprehensive examination on the relay.
Disclosure of Invention
The invention aims to provide a comprehensive test bed for the performance and durability of a relay, which overcomes the defects that the conventional relay test bed cannot realize large-batch tests in a multi-load mode, is complex to operate, cannot realize comprehensive examination and the like.
The invention realizes the purpose through the following technical scheme:
the utility model provides a relay performance and durability combined test platform, includes the rack, be equipped with experimental host computer on the rack to and the fixed frock of relay, relay coil power, polymorphic type load, load power and the display of being connected with experimental host computer electricity, wherein, experimental host computer is used for storing experimental parameter and control timing to through the experimental process of sending out instruction control, the fixed frock of relay is used for the fixed relay of being surveyed, relay coil power is used for providing the energy for the coil excitation of being surveyed the relay, polymorphic type load is used for providing different load conditions for being surveyed the relay simulation, load power provides required voltage and electric current for polymorphic type load, the display is used for showing the test result.
In a further refinement, the multiple types of loads include electronic loads, resistive loads, light bulb loads, and inductive loads.
The further improvement is that the adjustment range of the electronic load is 0-200A, the current display range is 0-200A, and the display resolution is 0.1A.
The further improvement is that the adjusting range of the resistance load is 0.06-0.6 omega, and the total power is 2400W.
The further improvement is that the total power of the bulb load is 2400W (12V)/2400W (24V).
The further improvement is that the maximum current of the inductive load is 100A, and the maximum inductance is 40 mH.
The rack is further improved in that the rack is divided into a plurality of layers, different loads in the multiple types of loads are installed in different layers of grids of the rack, and a cooling fan is arranged on the side of each layer of grid.
The further improvement is that a power switch is also arranged on the rack.
The further improvement lies in that the bottom end of the rack is provided with supporting legs and universal wheels.
The invention has the beneficial effects that: the computer control is adopted, the operation is simple, and the visibility is strong; open parameter settings are provided, which is convenient for adapting to various products; four load modes are adopted; the electronic load, the resistance load, the bulb load and the inductive load can comprehensively check the product; the test board realizes automatic test of the electrical performance and the durability of the relay; realize multichannel simultaneous detection, be convenient for detect in batches, it is efficient.
The product is suitable for performance detection and durability test of various relays. The method is widely applied to detection, test verification and the like of relays in the fields of automobiles, electronics, petroleum, chemical industry, household appliances, medical health, electric power and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the circuit of the present invention;
FIG. 3 is a system operating interface diagram of the present invention;
in the figure: 1. a rack; 2. a test host; 3. fixing a tooling for the relay; 4. a relay coil power supply; 5. a load power supply; 6. a display; 7. an electronic load; 8. a resistive load; 9. a light bulb load; 10. an inductive load; 11. a heat radiation fan; 12. and a power switch.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1 and fig. 2, a relay performance and durability combined test bed comprises a rack 1, wherein a test host 2 is arranged on the rack 1, and a relay fixing tool 3, a relay coil power supply 4, multiple types of loads, a load power supply 5 and a display 6 are electrically connected with the test host 2, wherein the test host 2 is used for storing test parameters and control timing sequences and controlling the test by sending instructions, the relay fixing tool 3 is used for fixing a tested relay, the relay coil power supply 4 is used for providing energy for coil excitation of the tested relay, the multiple types of loads are used for providing different load conditions for simulation of the tested relay, the load power supply 5 provides required voltage and current for the multiple types of loads, and the display 6 is used for displaying test results.
Wherein the multiple types of loads include an electronic load 7, a resistive load 8, a light bulb load 9, and an inductive load 10. The adjustment range of the electronic load 7 is 0-200A, the current display range is 0-200A, and the display resolution is 0.1A. The adjusting range of the resistance load 8 is 0.06-0.6 omega, and the total power is 2400W. The total power of the bulb load 9 is 2400W (12V)/2400W (24V). The maximum current of the inductive load 10 is 100A, and the maximum inductance is 40 mH.
In the invention, the rack 1 is divided into a plurality of layers, different loads in the multi-type loads are arranged in different layers of the rack 1, and a cooling fan 11 is arranged on the side of each layer of the rack for cooling. The rack 1 is also provided with a power switch 12 which comprises a main switch, a coil power switch, a load power switch and the like.
In the invention, the bottom end of the rack 1 is provided with supporting legs and universal wheels, so that the rack is convenient to move.
The technical parameters of the invention are as follows:
the working environment is as follows: temperature: 0-50 degrees; relative humidity: < 70% RH;
a working power supply: AC 220V;
contact voltage drop detection interface: 3 paths (series connection) in total;
contact voltage drop detection accuracy: ± 5mV, range: 20 ~ 4990mV, can set for every detection contact's inefficacy pressure drop, the settlement scope: 20-4990 mV;
test voltage adjustment range: 0-50V; voltage display range: 0-50V, and the display resolution is 0.1V.
The operation process of the invention is as follows:
(1) turning on a main switch of a working power supply in the computer to start the computer;
(2) fixing a relay to be tested in the relay fixing tool 3, connecting the circuit according to a correct method, and then opening a relay coil power supply;
(3) the program is opened and the operation interface (see fig. 3) is entered. Click operation
Inputting a manufacturer, a model and a test item of a relay to be tested, selecting a corresponding load type and a relay type, setting a corresponding current or inductance value, and clicking an 'execution' button to confirm set parameters;
(4) after the setting is finished, a 'test on-off' button can be clicked to judge the line connection state. After the circuit is confirmed to be normally set, a load power switch is turned on, and a voltage regulation knob and a current regulation knob are regulated to set values. Parameters such as 'set times', 'power-on time', 'power-off time', 'voltage drop limit', 'solenoid current limit', 'allowable overrun times' and the like can be set according to technical parameters, and after the parameters are set, the 'start' operation is clicked, and the test starts to count in a timing manner;
(5) the measured data can be observed in real time in the running process, if the measured data exceeds the set limit times, the 'silence' is clicked to turn off the alarm, and then a circuit is checked to determine whether the connection problem or the relay problem exists;
(6) after the test is finished, clicking to quit, rotating the voltage regulation knob and the current regulation knob to the minimum position, closing the load power switch and the relay coil power switch, and taking down the tested piece.
In the implementation process, the control software of the laboratory bench adopts a Windows XP system, the stability of the system is ensured, meanwhile, the adopted Windows operation interface and the program provide strong self-defined programming functions, the testing requirements of users on different products can be met, the software is easy to learn and use, and in addition, a good man-machine conversation interface is adopted, so that the parameter setting and the product model expansion are very convenient.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A comprehensive test bed for the performance and durability of a relay comprises a bed frame (1) and is characterized in that a test host (2) is arranged on the bed frame (1), and a relay fixing tool (3), a relay coil power supply (4), a multi-type load, a load power supply (5) and a display (6) which are electrically connected with the test host (2), wherein the test host (2) is used for storing test parameters and control time sequences and controlling the test by sending commands, the relay fixing tool (3) is used for fixing the relay to be tested, the relay coil power supply (4) is used for providing energy for coil excitation of the relay to be tested, the multi-type load is used for providing different load conditions for the simulation of the tested relay, the load power supply (5) provides required voltage and current for the multi-type load, and the display (6) is used for displaying test results.
2. A relay performance and durability combination test bench according to claim 1, wherein said multiple types of loads comprise an electronic load (7), a resistive load (8), a light bulb load (9) and an inductive load (10).
3. The comprehensive test bed for relay performance and durability of claim 2, characterized in that the adjustment range of the electronic load (7) is 0-200A, the current display range is 0-200A, and the display resolution is 0.1A.
4. A relay performance and durability combined test bench according to claim 2, characterized in that the adjusting range of the resistance load (8) is 0.06-0.6 Ω, and the total power is 2400W.
5. A relay performance and durability combination test bench according to claim 2, characterized in that the total power of the bulb load (9) is 2400W (12V)/2400W (24V).
6. A relay performance and durability combination test bench according to claim 2, characterized in that the maximum current of the inductive load (10) is 100A, and the maximum inductance is 40 mH.
7. A relay performance and durability combined test bed according to claim 2, characterized in that the rack (1) is divided into a plurality of layers, different loads of the plurality of types of loads are installed in different layers of the rack (1), and a heat radiation fan (11) is arranged on the side of each layer.
8. The comprehensive test bed for the performance and the durability of the relay according to claim 1, characterized in that a power switch (12) is further arranged on the bed (1).
9. The comprehensive test bed for the performance and the durability of the relay according to claim 1, characterized in that the bottom end of the stand (1) is provided with a supporting foot and a universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403288.3A CN113866629A (en) | 2021-11-24 | 2021-11-24 | Relay performance and durability combined test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403288.3A CN113866629A (en) | 2021-11-24 | 2021-11-24 | Relay performance and durability combined test platform |
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| Publication Number | Publication Date |
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| CN113866629A true CN113866629A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111403288.3A Pending CN113866629A (en) | 2021-11-24 | 2021-11-24 | Relay performance and durability combined test platform |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207077Y (en) * | 2008-05-23 | 2009-03-11 | 上海沪工汽车电器有限公司 | Analogue load circuit |
| CN102981120A (en) * | 2012-11-15 | 2013-03-20 | 中国电力科学研究院 | Full-performance detecting system of magnetic latching relay and detecting method thereof |
| CN103163453A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | Nuclear power station relay detection method |
| KR101474001B1 (en) * | 2013-08-14 | 2014-12-19 | 주식회사 경신 | Apparatus for testing durability of relay |
| CN204536499U (en) * | 2015-04-16 | 2015-08-05 | 厦门市联合海拉电子有限公司 | A kind of relay life tester |
| CN204575813U (en) * | 2015-04-14 | 2015-08-19 | 海信（山东）空调有限公司 | A kind of relay electric service life detector |
| CN108459267A (en) * | 2017-02-21 | 2018-08-28 | 中核核电运行管理有限公司 | A kind of intelligence relay protection test platform |
-
2021
- 2021-11-24 CN CN202111403288.3A patent/CN113866629A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207077Y (en) * | 2008-05-23 | 2009-03-11 | 上海沪工汽车电器有限公司 | Analogue load circuit |
| CN103163453A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | Nuclear power station relay detection method |
| CN102981120A (en) * | 2012-11-15 | 2013-03-20 | 中国电力科学研究院 | Full-performance detecting system of magnetic latching relay and detecting method thereof |
| KR101474001B1 (en) * | 2013-08-14 | 2014-12-19 | 주식회사 경신 | Apparatus for testing durability of relay |
| CN204575813U (en) * | 2015-04-14 | 2015-08-19 | 海信（山东）空调有限公司 | A kind of relay electric service life detector |
| CN204536499U (en) * | 2015-04-16 | 2015-08-05 | 厦门市联合海拉电子有限公司 | A kind of relay life tester |
| CN108459267A (en) * | 2017-02-21 | 2018-08-28 | 中核核电运行管理有限公司 | A kind of intelligence relay protection test platform |
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