CN204536497U - Relay contacts electric resistance measuring apparatus - Google Patents
Relay contacts electric resistance measuring apparatus Download PDFInfo
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- CN204536497U CN204536497U CN201520149419.3U CN201520149419U CN204536497U CN 204536497 U CN204536497 U CN 204536497U CN 201520149419 U CN201520149419 U CN 201520149419U CN 204536497 U CN204536497 U CN 204536497U
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Abstract
Relay contacts electric resistance measuring apparatus, comprise relay socket, controller and measuring contact resistance device, described relay socket offers arrange and for the jack of location and installation relay corresponding respectively with each contact pin of relay, the input end of described controller comprises at least two can the measurement interface that arrange corresponding to jack respectively, and each measurement interface also can two contact pin respectively corresponding to group contact same as relay be connected.The output terminal of controller is connected with the input end of measuring contact resistance device, and controller can control to select measurement interface to be connected with the input end of measuring contact resistance device automatically, thus can measure the contact resistance of the contact of relay.The utility model provides the relay contacts electric resistance measuring apparatus that a kind of operating process is easy, measurement result is accurate, automaticity is high.
Description
Technical field
The utility model relates to electrical equipment verification field, particularly a kind of relay contacts electric resistance measuring apparatus.
Background technology
Contact resistance is an important parameter of relay product, and it must often organize contact resistance to relay and measure respectively before dispatching from the factory.Existing measuring contact resistance device is manual operation, needs manual operation measured material often to organize contact to relay product respectively and measures.Due to relay product small volume, the arrangement of each contact is tight, the as easy as rolling off a log fatigue of long period of operation operator, thus causes inefficiency, the series of problems such as test leakage.Also have at present the self-operated measuring unit of relay contacts resistance, but the structure comparatively simplicity to use of complex effects operation, and then reduce measurement efficiency.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides the relay contacts electric resistance measuring apparatus that a kind of operating process is easy, measurement result is accurate, automaticity is high.
For achieving the above object, the utility model have employed following technical scheme:
A kind of relay contacts electric resistance measuring apparatus, comprise relay socket 1, controller 2 and measuring contact resistance device 3, described relay socket 1 offers arrange and for the jack 110 of location and installation relay 4 corresponding respectively with each contact pin of relay 4, the input end of described controller 2 comprises at least two can the measurement interface that arrange corresponding to jack 110 respectively, and each measurement interface also can be connected with two contact pin corresponding to relay 4 same groups of contacts respectively.The output terminal of controller 2 is connected with the input end of measuring contact resistance device 3, and controller 2 can control to select measurement interface to be connected with the input end of measuring contact resistance device 3 automatically, thus can measure the contact resistance of the contact of relay 4.
Further, described relay socket 1 is also provided with optoelectronic switch 120 that can be corresponding with the bottom of relay 4, the signal output part of described optoelectronic switch 120 is connected with the input end of controller 2, and optoelectronic switch 120 can carry out automatic control survey by trigger controller 2.
Further, be provided with timer in described controller 2, described timer can set the time that each measurement interface is connected with the input end of measuring contact resistance device 3 respectively.
Further, described relay socket 1 is provided with and the contact pin of the relay 4 two bottom sides corresponding two groups of insertion hole groups 130 arranged respectively, often organize insertion hole groups 130 to be made up of the jack 110 of at least two row and two row, and each contact pin can be installed with wherein one of them jack 110 Corresponding matching arranged of insertion hole groups 130 respectively, be also provided with in each jack 110 for clamping the metal spring leaf installing contact pin.
Further, described jack 110 is opened on the boss 100 on relay socket 1 surface, and the surface of described boss 100 can be touched with the bottom connection of relay 4.
Further, described controller 2 is PLC, described PLC comprises multiple measurement input ends that can correspondingly with jack 110 arrange, described multiple measurement input ends can be connected with the often contact pin organized corresponding to contact of relay 4 respectively, described relay socket 1 is provided with optoelectronic switch 120, the input of described optoelectronic switch 120 is connected with the signal input part X0 of PLC, the two ends of described measuring contact resistance device 3 are connected with common port COM with the measurement output terminal X2 of PLC respectively, optoelectronic switch 120 produce process of measurement that signal can start PLC run thus make PLC control multiple measurement input end one by one with measure output terminal X2 conducting and complete the DATA REASONING of measuring contact resistance device 3.
Further, the timer that described PLC inside is arranged can set make-and-break time respectively to multiple measurement input end, thus make multiple measurement input end one by one with measurement output terminal X2 conducting.
Further, described optoelectronic switch 120 is arranged between adjacent jack 110.
Further, when the signal input part X0 in PLC has the signal input of optoelectronic switch 120, master routine starts, after time delay a period of time each measurement input end one by one with measurement output terminal X2 conducting, and first postpone a period of time for measuring after measuring input end when one and measure output terminal X2 conducting, then disconnect and measure the connection of output terminal X2 and the next one measured input end and measure output terminal X2 conducting.
Further, described relay socket 1 offers 14 jacks 110, wherein 12 jacks 110 are arranged in three rows and four columns and may correspond to normally opened contact pin, normally closed contact pin and the common port pin of installing relay four groups of contacts, and two other jack 110 may correspond to the power pins of installation relay and is provided with optoelectronic switch 120 between two jacks 110.
Relay contacts electric resistance measuring apparatus of the present utility model is by mutual corresponding relay socket, controller and the measuring contact resistance device connected, the contact resistance achieved contact often organized by relay is measured automatically, make contact resistance measurement event easy, improve the accuracy of measurement result.In addition, by the relay socket of relay can be installed, be convenient to the installation of relay and measuring contact resistance device, improve measurement efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of relay socket of the present utility model;
Fig. 3 is the structural representation that relay socket of the present utility model and relay are installed;
Fig. 4 is the structure vertical view of relay socket of the present utility model;
Fig. 5 is the process flow diagram of process of measurement specific embodiment of the present utility model;
Fig. 6 is the ladder diagram of process of measurement specific embodiment of the present utility model.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing 1 to 6, further illustrate relay contacts electric resistance measuring apparatus embodiment of the present utility model.Relay contacts electric resistance measuring apparatus of the present utility model is not limited to the description of following examples.
Relay contacts electric resistance measuring apparatus as shown in Figure 1, comprise relay socket 1, controller 2 and measuring contact resistance device 3, the input end of controller 2 and output terminal are connected with measuring contact resistance device 3 with relay socket 1 respectively, wherein relay socket 1 can be provided with the relay 4 comprising many group contacts, the input end of controller 2 can be connected with the two ends often organizing contact of relay 4 respectively, and input end and output terminal gating can be completed the measurement of two ends, the contact contact resistance of measuring contact resistance device 3 pairs of relays 4 by controller 2.Particularly as shown in Figure 2, described relay socket 1 offers arrange and for the jack 110 of location and installation relay 4 corresponding respectively with each contact pin of relay 4, the input end of described controller 2 comprises at least two can the measurement interface that arrange corresponding to jack 110 respectively, and each measurement interface also can be connected with two contact pin corresponding to relay 4 same groups of contacts respectively.The output terminal of controller 2 is connected with the input end of measuring contact resistance device 3, and controller 2 can control to select measurement interface to be connected with the input end of measuring contact resistance device 3 automatically, thus can measure the contact resistance of the contact of relay 4.It is easy that relay socket makes the measurement of relay prepare installation process, ensure that stability and the accuracy of measuring process simultaneously, controller control survey interface and measuring appliance gating improve the automaticity of measurement mechanism, thus further increase the measurement efficiency of relay contacts resistance.
Especially, as depicted in figs. 1 and 2, described relay socket 1 is also provided with optoelectronic switch 120 that can be corresponding with the bottom of relay 4, the signal output part of described optoelectronic switch 120 is connected with the input end of controller 2, and optoelectronic switch 120 can carry out automatic control survey by trigger controller 2.Optoelectronic switch makes controller self-starting also automatically can complete process of measurement, improves the automaticity of measurement mechanism and the simplicity of operation.In addition, be provided with timer in controller 2, described timer can set the time that each measurement interface is connected with the input end of measuring contact resistance device 3 respectively.Timer is convenient to require to change according to the actual techniques of different product measure the duration and measure interval, improve the practicality of measuring contact resistance device, and controller ensure that by the control mode of internal timer the stability that process of measurement runs.
Each contact pin of described relay 4 can insert the jack 110 interior (as shown in Figure 3) offered on relay socket 1 surface simultaneously, thus relay and relay socket is stablized the stability being connected and ensure that test process.Preferably, the jack 110 in Fig. 2 and Fig. 3 is opened on the boss 100 on relay socket 1 surface, and the surface of described boss 100 can be touched with the bottom connection of relay 4.Boss is convenient to the location and installation of relay, improves the stability that relay and relay socket are installed simultaneously, thus ensure that the accuracy of test result.In addition, relay socket 1 is provided with and the contact pin of the relay 4 two bottom sides corresponding two groups of insertion hole groups 130 arranged respectively, often organize insertion hole groups 130 to be made up of the jack 110 of at least two row and two row, and each contact pin can be installed with wherein one of them jack 110 Corresponding matching arranged of insertion hole groups 130 respectively, be also provided with in each jack 110 for clamping the metal spring leaf installing contact pin.The relay that the insertion hole groups be made up of multiple lines and multiple rows ensure that different model specification all can with relay socket location and installation, be convenient to installing and using thus improve the applicability of relay socket of relay and relay socket.Preferably, described optoelectronic switch 120 is arranged between adjacent jack 110.The installation site of optoelectronic switch ensure that the accurate detection to the relay that relay socket is installed, and prevents the misoperation of controller or leaks action, improve the work accuracy of measuring contact resistance device.As the structure vertical view of jack 110 specific embodiment of relay socket 1 shown in Fig. 4, relay socket 1 in the present embodiment offers 14 jacks 110, wherein 12 jacks 110 are arranged in three rows and four columns and may correspond to normally opened contact pin, normally closed contact pin and the common port pin of installing relay four groups of contacts, and two other jack 110 may correspond to the power pins of installation relay and is provided with optoelectronic switch 120 between two jacks 110.
Described controller 2 is specially PLC, described PLC comprises four of can correspondingly with jack 110 arrange and measures input end, as four in Fig. 1 measure input end comprise can be connected with the contact pin corresponding to four groups of contacts of relay 4 respectively first measure input end Y1, second measures input end Y2, 3rd measures input end Y3 and the 4th measures input end Y4, one end of each measurement input end other end that is connected with contact pin is connected with the common port COM of PLC, described relay socket 1 is provided with optoelectronic switch 120, the input of described optoelectronic switch 120 is connected with the signal input part X0 of PLC, the two ends of described measuring contact resistance device 3 are connected with common port COM with the measurement output terminal X2 of PLC respectively, optoelectronic switch 120 produces signal and can start the process of measurement operation of PLC thus make PLC control the first measurement input end Y1 successively, second measures input end Y2, 3rd measures input end Y 3 and the 4th measures input end Y4 and measures output terminal X2 conducting and complete the DATA REASONING of measuring contact resistance device 3.The specific embodiment of measurement mechanism, the simple working stability of relay contacts electric resistance measuring apparatus structure of the present embodiment, and automaticity is high thus effectively improve measurement efficiency.
In the present embodiment, the process flow diagram of the concrete process of measurement of PLC as shown in Figure 5, when the signal input part X0 in PLC has the signal input of optoelectronic switch 120, master routine starts, after time delay a period of time, first measures input end Y1 and measures output terminal X2 conducting, then after time delay a period of time completes and measures the measuring contact resistance of contact corresponding to input end Y1 to first, disconnect first measure input end Y1 and make the second measurement input end Y2 and measure output terminal X2 conducting, then after time delay a period of time completes and measures the measuring contact resistance of contact corresponding to input end Y2 to second, disconnect second measure input end Y2 and make the 3rd measure input end Y3 and measure output terminal X2 conducting, then after time delay a period of time completes and measures the measuring contact resistance of contact corresponding to input end Y3 to the 3rd, disconnect the 3rd measure input end Y 3 and make the 4th measure input end Y4 and measure output terminal X2 conducting, then after time delay a period of time completes and measures the measuring contact resistance of contact corresponding to input end Y4 to the 4th, disconnect the 4th measure input end Y4 thus complete the detection to the whole contact resistance of relay 4.Preferably, when carrying out programming to the PLC of the present embodiment, the timer arranged by PLC inside is measured input ends to four and is set make-and-break time respectively, thus make four measure input ends one by one with measurement output terminal X2 conducting.PLC passes through timer control survey input end and the output terminal conducting of its inside, ensure that measuring process is accurately orderly, improves stability and the automaticity of measurement mechanism work.Particularly, the ladder diagram of the present embodiment as shown in Figure 6, " X000 " in described ladder diagram represents the signal input of optoelectronic switch 120, " Y002 " to " Y005 " represents four four group relay contacts measured corresponding to input end respectively, the timer of what " T0 " to " T9 " represented is PLC inside, and " K2 " corresponding with each timer represents time delay 0.2s, " K 3 " represents time delay 0.3s, " K4 " represents time delay 0.4s, the rest may be inferred, after K 3 such as corresponding to program the first row T4 just represents that the optoelectronic switch 120 of " X000 " correspondence receives signal, start " T4 " timer, after time delay 0.3s, " T4 " signal changes connection into by disconnection.Briefly, in the present embodiment, the programming mode of PLC is write based on a time shaft, namely to Y002 " represent to " Y005 " correspondence four measure input ends and set different ON time respectively; when program by " X000 " trigger start time; " T0 " to " T9 " timer starts timing; when arriving respective timing predetermined value, timer trigger pip changes; thus realize four and measure the conducting one by one of input ends and have certain measurement delay time after conducting, and then improves the automaticity of measurement mechanism and measure efficiency.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. a relay contacts electric resistance measuring apparatus, it is characterized in that: comprise relay socket (1), controller (2) and measuring contact resistance device (3), described relay socket (1) offers arrange and for the jack (110) of location and installation relay (4) corresponding respectively with each contact pin of relay (4), the input end of described controller (2) comprises at least two can the measurement interface that arrange corresponding to jack (110) respectively, each measurement interface also can be connected with two contact pin corresponding to relay (4) same group of contact respectively,
The output terminal of controller (2) is connected with the input end of measuring contact resistance device (3), and controller (2) can control to select measurement interface to be connected with the input end of measuring contact resistance device (3) automatically, thus can measure the contact resistance of the contact of relay (4).
2. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described relay socket (1) is also provided with optoelectronic switch (120) that can be corresponding with the bottom of relay (4), the signal output part of described optoelectronic switch (120) is connected with the input end of controller (2), and optoelectronic switch (120) can carry out automatic control survey by trigger controller (2).
3. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described controller is provided with timer in (2), described timer can set the time that each measurement interface is connected with the input end of measuring contact resistance device (3) respectively.
4. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described relay socket (1) is provided with and the contact pin of relay (4) the two bottom sides corresponding two groups of insertion hole groups (130) arranged respectively, often organize insertion hole groups (130) to be made up of the jack (110) of at least two row and two row, and each contact pin can be installed with wherein one of them jack (110) Corresponding matching arranged of insertion hole groups (130) respectively, also be provided with in each jack (110) for clamping the metal spring leaf installing contact pin.
5. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described jack (110) is opened on the boss (100) on relay socket (1) surface, and the surface of described boss (100) can be touched with the bottom connection of relay (4).
6. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described controller (2) is PLC, described PLC comprises multiple measurement input ends that can correspondingly with jack (110) arrange, described multiple measurement input ends can be connected with the often contact pin organized corresponding to contact of relay (4) respectively, described relay socket (1) is provided with optoelectronic switch (120), the input of described optoelectronic switch (120) is connected with the signal input part (X0) of PLC, the two ends of described measuring contact resistance device (3) are connected with common port (COM) with the measurement output terminal (X2) of PLC respectively, optoelectronic switch (120) produce signal can start PLC thus make PLC control multiple measurement input end one by one with measure output terminal (X2) conducting and complete the DATA REASONING of measuring contact resistance device (3).
7. relay contacts electric resistance measuring apparatus according to claim 6, it is characterized in that: the timer that described PLC inside is arranged can set make-and-break time respectively to multiple measurement input end, thus make multiple measurement input end one by one with measurement output terminal (X2) conducting.
8. relay contacts electric resistance measuring apparatus according to claim 2, is characterized in that: described optoelectronic switch (120) is arranged between adjacent jack (110).
9. relay contacts electric resistance measuring apparatus according to claim 1, it is characterized in that: described relay socket (1) offers 14 jacks (110), wherein 12 jacks (110) are arranged in three rows and four columns and may correspond to normally opened contact pin, normally closed contact pin and the common port pin of installing relay four groups of contacts, and two other jack (110) may correspond to the power pins of installation relay and is provided with optoelectronic switch (120) between two jacks (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149419.3U CN204536497U (en) | 2015-03-16 | 2015-03-16 | Relay contacts electric resistance measuring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149419.3U CN204536497U (en) | 2015-03-16 | 2015-03-16 | Relay contacts electric resistance measuring apparatus |
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| CN204536497U true CN204536497U (en) | 2015-08-05 |
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| CN201520149419.3U Active CN204536497U (en) | 2015-03-16 | 2015-03-16 | Relay contacts electric resistance measuring apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510758A (en) * | 2015-11-27 | 2016-04-20 | 湖北三江航天红峰控制有限公司 | Device for low resistance conduction |
| CN106033110A (en) * | 2015-03-16 | 2016-10-19 | 浙江正泰电器股份有限公司 | Relay contact resistance measurement device |
| CN107422150A (en) * | 2017-04-20 | 2017-12-01 | 常州大学 | A kind of matrix form intelligence tool scanning means and method |
-
2015
- 2015-03-16 CN CN201520149419.3U patent/CN204536497U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033110A (en) * | 2015-03-16 | 2016-10-19 | 浙江正泰电器股份有限公司 | Relay contact resistance measurement device |
| CN105510758A (en) * | 2015-11-27 | 2016-04-20 | 湖北三江航天红峰控制有限公司 | Device for low resistance conduction |
| CN107422150A (en) * | 2017-04-20 | 2017-12-01 | 常州大学 | A kind of matrix form intelligence tool scanning means and method |
| CN107422150B (en) * | 2017-04-20 | 2019-07-09 | 常州大学 | A kind of matrix form intelligence jig scanning means and method |
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