CN104569797A - Life detection system and life detection method of contact switch - Google Patents
Life detection system and life detection method of contact switch Download PDFInfo
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- CN104569797A CN104569797A CN201310500117.1A CN201310500117A CN104569797A CN 104569797 A CN104569797 A CN 104569797A CN 201310500117 A CN201310500117 A CN 201310500117A CN 104569797 A CN104569797 A CN 104569797A
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- 238000001514 detection method Methods 0.000 title abstract 7
- 238000012544 monitoring process Methods 0.000 claims description 84
- 238000000034 method Methods 0.000 claims description 24
- 239000011800 void material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention provides a service life detection system and a service life detection method of a contact switch. The service life detection system of the contact switch comprises a tested switch, a driving device, a first counting device and a second counting device, wherein the driving device drives the tested switch to be opened and closed; the first counting device is electrically connected with the driving device to record the driving times of the driving device; the second counting device is electrically connected with the switch to be tested so as to record the conducting times of the switch to be tested. According to the service life detection system and the service life detection method of the contact switch, whether the detected switch has the virtual motion phenomenon or not can be detected, and the service life of the switch can be further judged.
Description
Technical field
The present invention relates to contact switching technique field, in particular to a kind of life tests system and life detecting method of contact switch.
Background technology
Contact switch in actual use, due to the loss of contact, shell fragment, when actuating length got to by switch, switch may be in off-state, this kind of state can cause switch in use to occur empty dynamic phenomenon, and the life tests system of existing switch can only monitor the number of times of the actual break-make of switch, and the dynamic problem of switch void cannot be monitored, and then the serviceable life of contact switch cannot be reacted into exactly.
Summary of the invention
The present invention aims to provide a kind of life tests system and life detecting method of contact switch, can detect contact switch and whether there is empty dynamic phenomenon.
To achieve these goals, according to an aspect of the present invention, provide a kind of life tests system of contact switch, this system comprises by slowdown monitoring switch, drive unit, the first counting assembly and the second counting assembly, wherein, drive unit drives by the open and close of slowdown monitoring switch; First counting assembly is electrically connected the driving number of times to record drive unit with drive unit; Second counting assembly is electrically connected with by slowdown monitoring switch to record the conducting number of times by slowdown monitoring switch.
Further, drive unit comprises: driver, drives by the open and close of slowdown monitoring switch; Controller, is connected with actuator electrical, and control and drive system motion.
Further, the first counting assembly is electrically connected the driving number of times to record driver with controller.
Further, controller is the time relay.
Further, driver is air gun.
Further, the first counting assembly and the second counting assembly are counter.
Further, multiple gear is comprised by slowdown monitoring switch.
Further, the life tests system of contact switch also comprises processor, and the first counting assembly and the second counting assembly are all electrically connected with processor.
According to a further aspect in the invention, provide a kind of life detecting method of contact switch, the method comprises: step S1: utilize drive unit to drive by slowdown monitoring switch, and utilize the first counting assembly to record the driving number of times of drive unit; Step S2: utilize the second counting assembly to record by the conducting number of times of slowdown monitoring switch; Step S3: the size comparing the numerical value of the first counting assembly and the second counting assembly record, judges whether be there is empty dynamic phenomenon by slowdown monitoring switch.
Further, in step sl, drive unit comprises: driver, drives by the open and close of slowdown monitoring switch; Controller, is connected with actuator electrical, and control and drive system motion.
Further, in step sl, controller is the time relay.
Further, in step sl, driver is air gun.
Further, in step s 2, the first counting assembly is electrically connected the driving number of times to record driver with controller.
Further, the first counting assembly and the second counting assembly are counter.
Further, in step s3, if the numerical value of the first counting assembly record equals the numerical value of the second counting assembly record, then be there is not empty dynamic phenomenon by slowdown monitoring switch; If the numerical value of the first counting assembly record is greater than the numerical value of the second counting assembly record, then be there is empty dynamic phenomenon by slowdown monitoring switch.
Further, multiple gear is comprised by slowdown monitoring switch.
Further, in step s3, the numerical value of processor to the first counting assembly and the second counting assembly record is utilized to compare.
Apply technical scheme of the present invention, the life tests system of contact switch comprises by slowdown monitoring switch, drive unit, the first counting assembly and the second counting assembly, and wherein, drive unit drives by the open and close of slowdown monitoring switch; First counting assembly is electrically connected the driving number of times to record drive unit with drive unit; Second counting assembly is electrically connected with by slowdown monitoring switch to record the conducting number of times by slowdown monitoring switch.In the present invention, be provided with the driving number of times for recording drive unit the first counting assembly and for recording by conducting number of times second counting assembly of slowdown monitoring switch, according to the magnitude relationship of the value of the first counting assembly and the second counting assembly record, can detect and whether be there is empty dynamic phenomenon by slowdown monitoring switch, and then judge the serviceable life of switch.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the life tests system annexation figure of contact switch of the present invention; And
Fig. 2 shows the process flow diagram of the life detecting method of contact switch of the present invention.
Description of reference numerals:
10, by slowdown monitoring switch; 20, drive unit; 21, driver; 22, controller; 30, the first counting assembly; 40, the second counting assembly; 50, processor.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Shown in Figure 1, according to embodiments of the invention, the life tests system of contact switch comprises by slowdown monitoring switch 10, drive unit 20, first counting assembly 30 and the second counting assembly 40, and wherein, drive unit 20 drives by the open and close of slowdown monitoring switch 10; First counting assembly 30 is electrically connected with drive unit 20 the driving number of times recording drive unit 20; Second counting assembly 40 is electrically connected to record the conducting number of times by slowdown monitoring switch 10 with by slowdown monitoring switch 10.In the present embodiment, be provided with the driving number of times for recording drive unit 20 the first counting assembly 30 and for recording by conducting number of times second counting assembly 40 of slowdown monitoring switch 10, according to the magnitude relationship of the value that the first counting assembly 30 and the second counting assembly 40 record, can judge whether be there is empty dynamic phenomenon by slowdown monitoring switch 10, concrete determination methods is, the numerical value recorded when the first counting assembly 30 is equal with the value that the second counting assembly 40 records, then be there is not empty dynamic phenomenon by slowdown monitoring switch 10; The numerical value recorded when the first counting assembly 30 is greater than the numerical value that the second counting assembly 40 records, then be there is empty dynamic phenomenon by slowdown monitoring switch 10, the difference of the numerical value between them is by the dynamic number of times of slowdown monitoring switch 10 void.Visible, according to the present embodiment, can detect and whether be there is empty dynamic phenomenon by slowdown monitoring switch 10, and judge the serviceable life of switch according to the result measured.It should be noted that, the counting mode of driving number of times alleged in the present embodiment is: drive unit 20 will open to cut out by slowdown monitoring switch 10 again and be recorded as 1 time, in other embodiments of the invention, also can adopt other counting modes.
In the present embodiment, drive unit 20 comprises driver 21 and controller 22, and wherein driver 21 drives by the opening and closing of slowdown monitoring switch 10, and controller 22 is electrically connected with driver 21, and control and drive system 21 moves, thus drive driver 21 by by the opening and closing of slowdown monitoring switch 10.Preferably, the controller 22 in the present embodiment is the time relay, and driver 21 is air gun.Now, driver 21 can be set by the time relay, i.e. the operating frequency of air gun, to the switch motion being carried out high frequency time by slowdown monitoring switch 10, and ensure the consistance of switch motion, can detect that whether being there is void by slowdown monitoring switch 10 moves phenomenon at short notice.According to the result measured, enterprise can make corresponding improvement to switch, and then obtains the switch that is suitable for, thus improves the quality with the product of the switch of the present embodiment.The principle of work of the air gun in the present invention is: the time relay controls the opening and closing of air gun valve, and when the valve is open, pressurized air enters air gun inside, and the push rod promoted in air gun stretches out, and drives by slowdown monitoring switch 10 action; When after valve closing, pressurized air cannot enter air gun inside, and the push rod in air gun returns original position, is returned to original position by slowdown monitoring switch 10.Once the opening of air gun valve, close closed loop and complete by slowdown monitoring switch 10 charge passed.
In order to the driving number of times of meter driver 21, the first counting assembly 30 in the present embodiment is electrically connected with controller 22, couple together with time relay wire by the first counting assembly 30, first counting assembly 30 can record the break-make number of times of the time relay, namely driver 21 drives by the number of times of slowdown monitoring switch 10, structure is simple, is easy to realize.In other embodiments, the first counting assembly 30 can also directly be electrically connected with driver 21, directly records the number of times of the action of driver 21.
Preferably, the first counting assembly 30 in the present embodiment and the second counting assembly 40 are counter, and structure is simple, are easy to realize.
Preferably, the life tests system of contact switch also comprises processor 50, first counting assembly 30 and the second counting assembly 40 are all electrically connected with processor 50, the numerical signal that processor 50 can come the first counting assembly 30 and the transmission of the second counting assembly 40 carries out contrast process, tester according to the result of processor 50, can judge whether be there is empty dynamic phenomenon by slowdown monitoring switch 10.In other embodiments, also can not placement processor 50, whether the first counting assembly 30 and the second counting assembly 40 can directly contrast by tester, thus judge to be existed by slowdown monitoring switch 10 empty dynamic.
In the present embodiment, comprised multiple gear (not shown) by slowdown monitoring switch 10, drive unit 20 selectively drives by the different gears of slowdown monitoring switch 10, detects and under different applying working condition, whether be there is empty dynamic phenomenon by slowdown monitoring switch 10.For the switch that air conditioner uses, slowdown monitoring switch 10 is provided with 5 gears, is respectively: mechanical life tests gear, be now less than 10mV by the voltage between the inserted sheet of slowdown monitoring switch 10 and contact; Electrical endurance test gear 1, what now loaded by slowdown monitoring switch 10 is direct supply; Electrical endurance test gear 2, now by the loading between the inserted sheet of slowdown monitoring switch 10 and contact is the alternating voltage of 250VAC, and electric current is less than or equal to 1A; Electrical endurance test gear 3, now by the loading between the inserted sheet of slowdown monitoring switch 10 and contact is the alternating voltage of 250VAC, and electric current is between 1A to 10A; Electrical endurance test gear 4, now by the loading between the inserted sheet of slowdown monitoring switch 10 and contact is the alternating voltage of 250VAC, and electric current is between 10A to 16A.In concrete use procedure, when the time relay is connected, pressurized air, thus drive air gun to promote to be promoted by the different gears of slowdown monitoring switch 10 by the guide rod of slowdown monitoring switch 10, test under different operating mode by the mechanical life of slowdown monitoring switch 10 and electrical endurance etc.
Shown in Figure 2, according to another embodiment of the present invention, provide a kind of life detecting method of contact switch, the method utilizes the life tests system of the contact switch of above-described embodiment to realize.Specifically comprise: step S1: utilize drive unit 20 to drive by slowdown monitoring switch 10, and utilize the first counting assembly 30 to record the driving number of times of drive unit 20; Step S2: utilize the second counting assembly 40 to record by the conducting number of times of slowdown monitoring switch 10; Step S3: the size comparing the numerical value of the first counting assembly 30 and the second counting assembly 40 record, judges whether be there is empty dynamic phenomenon by slowdown monitoring switch 10.In the present embodiment, according to the magnitude relationship of the numerical value that the first counting assembly 30 and the second counting assembly 40 record, can detect and whether be there is empty dynamic phenomenon by slowdown monitoring switch 10, and then judge the serviceable life of switch.
According to the present embodiment, in step sl, drive unit 20 comprises driver 21 and controller 22, wherein driver 21 drives by the opening and closing of slowdown monitoring switch 10, controller 22 is electrically connected with driver 21, and control and drive system 21 moves, thus drive driver 21 by by the opening and closing of slowdown monitoring switch 10.Preferably, the controller 22 in the present embodiment is the time relay, and driver 21 is air gun.Now, driver 21 can be set by the time relay, i.e. the operating frequency of air gun, and then to being carried out the switch motion of high frequency time by slowdown monitoring switch 10, and ensure the consistance of switch motion, can detect that whether being there is void by slowdown monitoring switch 10 moves phenomenon at short notice.
In step s 2, the first counting assembly 30 is electrically connected with the time relay, thus the driving number of times of record driver 21.The counting mode of driving number of times alleged in the present embodiment is: driver 21 will be opened to close by slowdown monitoring switch 10 again and be recorded as 1 time.The break-make number of times of the time relay recorded by first counting assembly 30, and namely driver 21 drives by the number of times of slowdown monitoring switch 10, and structure is simple, is easy to realize.In other embodiments, the first counting assembly 30 can also directly be electrically connected with driver 21, and then the driving number of times of record driver 21.
Preferably, the first counting assembly 30 and the second counting assembly 40 are counter, and structure is simple, are easy to realize.
Preferably, multiple gear (not shown) is comprised by slowdown monitoring switch 10, drive unit 20 selectively drives by the different gears of slowdown monitoring switch 10, detects and under different applying working condition, whether be there is empty dynamic phenomenon by slowdown monitoring switch 10, and then detect by the mechanical life of slowdown monitoring switch 10 and electrical endurance etc.
In step s3, first counting assembly 30 and the second counting assembly 40 wire and processor 50 are coupled together, the numerical value of processor 50 to the first counting assembly 30 and the second counting assembly 40 record is utilized to compare, if the numerical value that the first counting assembly 30 records equals the numerical value that the second counting assembly 40 records, then be there is not empty dynamic phenomenon by slowdown monitoring switch 10; If the numerical value that the first counting assembly 30 records is greater than the numerical value that the second counting assembly 40 records, then be there is empty dynamic phenomenon by slowdown monitoring switch 10.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: the life tests system of contact switch of the present invention and life detecting method, be provided with the driving number of times for recording driver the first counting assembly and for recording by conducting number of times second counting assembly of slowdown monitoring switch, according to the magnitude relationship of the value of the first counting assembly and the second counting assembly record, can judge whether be there is empty dynamic phenomenon by slowdown monitoring switch, and then judge the serviceable life of switch, improve the reliability with the product of contact switch that enterprise produces.Service time relay and the structure such as air gun, can the action of long-time, the high frequency time of analog switch, thus detect the serviceable life of switch at short notice.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. a life tests system for contact switch, is characterized in that, comprising:
By slowdown monitoring switch (10);
Drive unit (20), described drive unit (20) drives described by the open and close of slowdown monitoring switch (10);
First counting assembly (30), is electrically connected with described drive unit (20) the driving number of times recording described drive unit (20);
Second counting assembly (40), with described be electrically connected to record by slowdown monitoring switch (10) described by the conducting number of times of slowdown monitoring switch (10).
2. the life tests system of contact switch according to claim 1, is characterized in that, described drive unit (20) comprising:
Driver (21), drives described by the open and close of slowdown monitoring switch (10);
Controller (22), is electrically connected with described driver (21), and controls described driver (21) motion.
3. the life tests system of contact switch according to claim 2, is characterized in that, described first counting assembly (30) is electrically connected with described controller (22) the driving number of times recording described driver (21).
4. the life tests system of contact switch according to claim 2, is characterized in that, described controller (22) is the time relay.
5. the life tests system of contact switch according to claim 2, is characterized in that, described driver (21) is air gun.
6. the life tests system of contact switch according to claim 1, is characterized in that, described first counting assembly (30) and described second counting assembly (40) are counter.
7. the life tests system of contact switch according to claim 1, is characterized in that, is describedly comprised multiple gear by slowdown monitoring switch (10).
8. the life tests system of contact switch according to any one of claim 1 to 7, it is characterized in that, also comprise processor (50), described first counting assembly (30) and described second counting assembly (40) are all electrically connected with described processor (50).
9. a life detecting method for contact switch, is characterized in that, comprising:
Step S1: utilize drive unit (20) to drive by slowdown monitoring switch (10), and utilize the first counting assembly (30) to record the driving number of times of described drive unit (20);
Step S2: utilize the second counting assembly (40) to record described by the conducting number of times of slowdown monitoring switch (10);
Step S3: the size of the numerical value that more described first counting assembly (30) and described second counting assembly (40) record, judges describedly whether be there is empty dynamic phenomenon by slowdown monitoring switch (10).
10. the life detecting method of contact switch according to claim 9, is characterized in that, in described step S1, described drive unit (20) comprising:
Driver (21), drives described by the open and close of slowdown monitoring switch (10);
Controller (22), is electrically connected with described driver (21), and controls described driver (21) motion.
The life detecting method of 11. contact switches according to claim 10, is characterized in that, in described step S1, described controller (22) is the time relay.
The life detecting method of 12. contact switches according to claim 10, is characterized in that, in described step S1, described driver (21) is air gun.
The life detecting method of 13. contact switches according to claim 10, is characterized in that, in described step S2, described first counting assembly (30) is electrically connected with described controller (22) the driving number of times recording described driver (21).
The life detecting method of 14. contact switches according to claim 9, is characterized in that, described first counting assembly (30) and described second counting assembly (40) are counter.
The life detecting method of 15. contact switches according to claim 9, it is characterized in that, in described step S3, if the numerical value that described first counting assembly (30) is recorded equals the numerical value that described second counting assembly (40) is recorded, then described do not existed empty dynamic phenomenon by slowdown monitoring switch (10);
If the numerical value that described first counting assembly (30) is recorded is greater than the numerical value that described second counting assembly (40) is recorded, then described existed empty dynamic phenomenon by slowdown monitoring switch (10).
The life detecting method of 16. contact switches according to claim 9, is characterized in that, is describedly comprised multiple gear by slowdown monitoring switch (10).
The life detecting method of 17. contact switches according to any one of claim 9 to 16, it is characterized in that, in described step S3, processor (50) is utilized to compare the numerical value that described first counting assembly (30) and described second counting assembly (40) are recorded.
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| CN201310500117.1A CN104569797A (en) | 2013-10-22 | 2013-10-22 | Life detection system and life detection method of contact switch |
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| CN201310500117.1A CN104569797A (en) | 2013-10-22 | 2013-10-22 | Life detection system and life detection method of contact switch |
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| CN201310500117.1A Pending CN104569797A (en) | 2013-10-22 | 2013-10-22 | Life detection system and life detection method of contact switch |
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| CN104898051A (en) * | 2015-06-23 | 2015-09-09 | 哈尔滨工业大学 | Operation characteristic testing device of electromagnetic relay contact-spring system adjustable in parameter |
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| CN109828203A (en) * | 2019-03-20 | 2019-05-31 | 杭州市地铁集团有限责任公司运营分公司 | A kind of relay contact automatic detection device and detection method |
| CN110678763A (en) * | 2017-09-29 | 2020-01-10 | 株式会社Lg化学 | Contactor failure rate prediction system and method |
| CN111426499A (en) * | 2020-05-11 | 2020-07-17 | 杭州老板电器股份有限公司 | Method and system for detecting operation reliability of variable frequency range hood |
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Application publication date: 20150429 |