CN104237782A - Starting relay durability system with safety protection and fault reminding functions and test method - Google Patents
Starting relay durability system with safety protection and fault reminding functions and test method Download PDFInfo
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- CN104237782A CN104237782A CN201410485927.9A CN201410485927A CN104237782A CN 104237782 A CN104237782 A CN 104237782A CN 201410485927 A CN201410485927 A CN 201410485927A CN 104237782 A CN104237782 A CN 104237782A
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Abstract
本发明公开了一种带安全保护和故障提示的起动继电器耐久系统及其试验方法，起动继电器的输入回路与计时控制器的启动继电器控制端相连；接触器的输入回路与计时控制器的接触器控制端相连；起动继电器的输出回路的第一端与直流电源及负载的第一端相连，起动继电器的输出回路的第二端与接触器的输出回路的第一端相连，接触器的输出回路的第二端与直流电源及负载的第二端相连；起动继电器的输出回路的任一端与计时控制器的检测端相连。本发明在对起动继电器进行耐久性实验时，即使起动继电器触点烧蚀，动触点无法脱开，该系统仍然能够保证起动继电器的输出回路断开，提高了安全性和可靠性。
The invention discloses a starter relay durability system with safety protection and fault prompt and its test method. The input circuit of the starter relay is connected with the start relay control terminal of the timer controller; the input circuit of the contactor is connected with the contactor of the timer controller The control terminal is connected; the first end of the output circuit of the starting relay is connected with the first end of the DC power supply and the load, the second end of the output circuit of the starting relay is connected with the first end of the output circuit of the contactor, and the output circuit of the contactor The second end of the starter relay is connected with the second end of the DC power supply and the load; any end of the output circuit of the starting relay is connected with the detection end of the timing controller. When the durability test is carried out on the starter relay, even if the contact of the starter relay is ablated and the movable contact cannot be disengaged, the system can still ensure that the output circuit of the starter relay is disconnected, thereby improving safety and reliability.
Description
Technical field
The present invention relates to safeguard protection and the fault cues technical field of starter relay, particularly relate to a kind of starter relay durable systems with safeguard protection and fault cues and test method.
Background technology
For examining the endurance quality of starter relay, need pass into rated current in starter relay contact, and this electric current is comparatively large, enterprise generally adopts 150A electric current to examine.
Because starter relay is when doing long duration test, likely break down in the process of test, wherein the normal fault occurred has pitting of contact, the heatings such as relay, load power source, wire are easily caused seriously even to lead to a disaster, starter relay pitting of contact in addition, its output loop cannot disconnect, and causes judging by accident product quality.
Summary of the invention
The present invention is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of starter relay durable systems with safeguard protection and fault cues and test method thereof.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of starter relay durable systems with safeguard protection and fault cues, comprising timing controller, starter relay, contactor; The first end of the input circuit of described starter relay is connected with the first end of the starting relay control end of timing controller, and the second end of the input circuit of described starter relay is connected with the second end of the starting relay control end of timing controller; The first end of the input circuit of described contactor is connected with the first end of the contactor control end of timing controller, and the second end of the input circuit of described contactor is connected with the second end of the contactor control end of timing controller; The first end of the output loop of described starter relay is connected with the first end of direct supply and load, second end of the output loop of described starter relay is connected with the first end of the output loop of described contactor, and the second end of the output loop of described contactor is connected with the second end of direct supply and load; The either end of the output loop of described starter relay is connected with the test side of described timing controller, electric current is still had when described test side detects the input circuit dead electricity of the output loop of described starter relay at described starter relay, then described timing controller controls described contactor work, and the output loop of described contactor is disconnected.
The starter relay durable systems of band safeguard protection of the present invention and fault cues is when carrying out durability experiment to starter relay; even if starter relay pitting of contact; moving contact cannot be thrown off; this system still can ensure that the output loop of starter relay disconnects, and improves safety and reliability.
In the preferred embodiment of the present invention, described timing controller comprises the first power supply, second source, timer, controller and detecting device; The input end of described controller is connected with the output terminal of described detecting device and the output terminal of described timer respectively, and the output terminal of described timer is connected with the input end of described detecting device; Described first power supply is described timer, described controller and described detecting device provide power supply, and the input circuit that described second source is described starter relay and the input circuit of described contactor provide power supply; Described timer controls input circuit conduction time T1 and the dead electricity time T2 of described starter relay by described controller; Whether the output loop that described detecting device detects described starter relay exists electric current within the T3 time, if existed, then controlled the output loop disconnection of described contactor by controller, described T1, T2, T3 are positive number.
Detecting device of the present invention detects the duty of the output loop of starter relay, the output loop disconnection of controller control contactor is sent a signal to again by detecting device, by the work of timer timer precise and high efficiency, even if starter relay pitting of contact, moving contact cannot be thrown off, still can ensure that the output loop of starter relay disconnects, provide security.
Be more preferably in embodiment in one of the present invention, the input end of described controller comprises first input end, the second input end and the 3rd input end, and the output terminal of described timer comprises the first output terminal, the second output terminal and the 3rd output terminal; First output terminal of described timer is connected with the first input end of described controller, second output terminal of described timer is connected with the second input end of described controller, 3rd output terminal of described timer is connected with the second input end of described detecting device, and the second output terminal of described detecting device is connected with the 3rd input end of described controller; First output terminal of described timer exports the first timing signal to described controller, described controller controls the input circuit conduction time T1 of starter relay according to the first timing signal, second output terminal of described timer exports the second timing signal to described controller, and described controller controls the input circuit dead electricity time T2 of described starter relay according to the second timing signal; 3rd output terminal of described timer exports the 3rd timing signal to described controller, when time T3, whether the output loop that described detecting device detects described starter relay exists electric current and transmits testing result signal to controller, if the output loop of starter relay exists electric current, then described controller controls the output loop disconnection of described starter relay.
Timer to controller, makes signal transmit fast and accurately by different port output signals, and ensure starter relay pitting of contact, when moving contact cannot be thrown off, the output loop of starter relay still can disconnect, and provides security.
In the preferred embodiment of the present invention, also comprise acoustic-optic alarm, the first end of described acoustic-optic alarm is connected with the first end of the controlling alarm end of timing controller, and the second end of described acoustic-optic alarm is connected with the second end of the controlling alarm end of timing controller; When described timing controller disconnects the output loop of described contactor, described acoustic-optic alarm is reported to the police.Thus remind staff to note when starting relay breaks down.
The invention discloses a kind of test method of the starter relay durable systems with safeguard protection and fault cues, comprise the following steps:
Step one, closed first power supply and second source, bring into operation;
Step 2, timer starts timing, and timing controller controls the input circuit energising of starter relay, makes X=0;
Step 3, during T1s, timing controller controls starter relay input circuit dead electricity, and described T1 is positive number;
Step 4, when T3s, whether timing controller detects starter relay output loop has electric current, and described T3 is the positive number being greater than T1, there is electric current and then performs step 6, there is not electric current and then performs step 5;
Step 5, during (T1+T2) s, the input circuit that timing controller controls starter relay obtains electric, and described T2 is the positive number being greater than T3, and X=X+1 returns execution step 3;
Step 6, the output loop of timing controller control contactor disconnects.
When starter relay breaks down, can the output loop of disconnection starter relay promptly and accurately, prevent from causing the heating for a long time such as starting relay, load power source, wire to such an extent as to leading to a disaster, ensure the safety of system and staff.
In the preferred embodiment of the present invention, described X gets and is not less than 4 × 10
8.
Long duration test performs number of times and reaches more than required standard number of times, can embody the performance of this starter relay.
In the preferred embodiment of the present invention, described T1=2, T2=8, T3=3.
More close with the time of practical operation, more can embody the effect of long duration test.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: realize examining the endurance quality of starter relay, and provide safeguard protection and fault cues.
Accompanying drawing explanation
Fig. 1 is the structural representation of the starter relay durable systems of band safeguard protection of the present invention and fault cues;
Fig. 2 is the process flow diagram of the durable method of starter relay of band safeguard protection of the present invention and fault cues.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, the invention provides a kind of starter relay durable systems with safeguard protection and fault cues, it comprises timing controller, starter relay, contactor.Wherein, the first end of the input circuit of starter relay is connected with the first end of the starting relay control end of timing controller, and the second end of the input circuit of starter relay is connected with the second end of the starting relay control end of timing controller.The first end of the input circuit of contactor is connected with the first end of the contactor control end of timing controller, and the second end of the input circuit of contactor is connected with the second end of the contactor control end of timing controller.The first end of the output loop of starter relay is connected with the first end of direct supply and load, second end of the output loop of starter relay is connected with the first end of the output loop of contactor, and the second end of the output loop of contactor is connected with the second end of direct supply and load.The either end of the output loop of starter relay is connected with the test side of timing controller, electric current is still had when test side detects the input circuit dead electricity of the output loop of starter relay at starter relay, then timing controller control contactor work, makes the output loop of contactor disconnect.
Should be noted that, starter relay is relay open in usual in the present embodiment, also can select normal closing type relay.And contactor is normal closing type relay in the present embodiment, also relay open in usual can be selected.Starter relay and the contactor of concrete employing are existing structure, do not repeat its connected mode and principle of work.
When after the input circuit dead electricity of timing controller at starter relay, detect that the output loop of starter relay exists electric current, then the input circuit of timing controller control contactor obtains electric, the output loop of contactor is caused to disconnect, the output loop of starter relay disconnects, even if ensure that the faults such as pitting of contact appear in starter relay, cause moving contact to throw off, also can not cause the generation that the heatings such as starter relay, load power source, wire seriously even lead to a disaster.And this device is simple, be easy to realize.
In the preferred embodiment of the present invention, also comprise the second contactor, the output loop of the second contactor is connected between the first end of the output loop of starter relay and the first end of direct supply, the first end of the input circuit of the second contactor is connected with the 3rd end of timing controller, and the second end of the input circuit of the second contactor is connected with the 4th end of timing controller.
All have contactor at the two ends of the output loop of starter relay, even if one of them contactor cannot disconnect the output loop of starter relay, but another contactor can disconnect the output loop of starter relay.Safer, reliable.
In the preferred embodiment of the present invention, timing controller comprises the first power supply, second source, timer, controller and detecting device.The input end of controller is connected with the output terminal of detecting device and the output terminal of timer respectively, and the output terminal of timer is connected with the input end of detecting device.First power supply is timer, controller and detecting device provide power supply, and the input circuit that second source is starter relay and the input circuit of contactor provide power supply.Timer controls input circuit conduction time T1 and the dead electricity time T2 of starter relay by controller.Whether the output loop that detecting device detects starter relay exists electric current within the T3 time, if existed, then disconnected by the output loop of controller control contactor, T1, T2, T3 are positive number.In embodiments, T1=2, T2=8, T3=3.
Timer by utilize controller control the input circuit of starter relay electric time and dead electricity time, and detect the output loop of starter relay and whether there is electric current, more efficiently, fast.
Be more preferably in embodiment in one of the present invention, the input end of controller comprises first input end, the second input end and the 3rd input end, and the output terminal of timer comprises the first output terminal, the second output terminal and the 3rd output terminal; First output terminal of timer is connected with the first input end of controller, second output terminal of timer is connected with the second input end of controller, 3rd output terminal of timer is connected with the second input end of detecting device, and the second output terminal of detecting device is connected with the 3rd input end of controller; First output terminal of timer exports the first timing signal to controller, controller controls the input circuit conduction time T1 of starter relay according to the first timing signal, second output terminal of timer exports the second timing signal to controller, and controller controls the input circuit dead electricity time T2 of starter relay according to the second timing signal; 3rd output terminal of timer exports the 3rd timing signal to controller, when time T3, whether the output loop that detecting device detects starter relay exists electric current and transmits testing result signal to controller, if the output loop of starter relay exists electric current, then controller controls the output loop disconnection of starter relay.
In the preferred embodiment of the present invention, also comprise acoustic-optic alarm, the first end of acoustic-optic alarm is connected with the first end of the controlling alarm end of timing controller, and the second end of acoustic-optic alarm is connected with the second end of the controlling alarm end of timing controller; When timing controller disconnects the output loop of contactor, acoustic-optic alarm is reported to the police.
Should be noted that, in the present embodiment, acoustic-optic alarm comprises ring alarm device and luminous device, and connected mode can be connected, also can be in parallel; But in the present embodiment, adopt parallel way to connect, even if one of them device breaks down, another still can normally work.The technological means that the connected mode of its acoustic-optic alarm and controller adopts this area general, therefore not to repeat here.
Also should be noted that, acoustic-optic alarm, second source, the input circuit of starter relay, the input circuit of contactor, timer-signals output terminal, and the connected mode of detector signal output terminal and controller adopts this area to understand thoroughly the connected mode that can realize, example, the first end of the input circuit of starter relay and contactor is all connected with the first end of second source, second end of the input circuit of starter relay and contactor is all connected with the second end of second source, the output loop of a series connection relay separately on the input circuit of starter relay and contactor, and the first end of the output loop of respective relay is connected with control chip, be connected second end of the output loop of relay and power supply, control chip exports order by port, the disconnection of pilot relay is with closed, here second source is only described, the annexation of the input circuit of control chip and starter relay and contactor, first of its timer, second and third output terminal, the output terminal of detecting device all should be connected with control chip, should be noted that, controller comprises control chip.Therefore not to repeat here for its concrete connected mode.
As shown in Figure 2, the present invention discloses a kind of test method of the starter relay durable systems with safeguard protection and fault cues, comprises the following steps:
Step one, closed first power supply and second source, bring into operation;
Step 2, timer starts timing, and timing controller controls the input circuit energising of starter relay, makes X=0;
Step 3, during T1s, timing controller controls starter relay input circuit dead electricity, and T1 is positive number;
Step 4, when T3s, whether timing controller detects starter relay output loop has electric current, and T3 is the positive number being greater than T1, there is electric current and then performs step 6, there is not electric current and then performs step 5;
Step 5, during (T1+T2) s, the input circuit that timing controller controls starter relay obtains electric, and T2 is the positive number being greater than T3, and X=X+1 returns execution step 3;
Step 6, the output loop of timing controller control contactor disconnects.
In the preferred embodiment of the present invention, X gets and is not less than 4 × 10
8.
In the preferred embodiment of the present invention, T1=2, T2=8, T3=3.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485927.9A CN104237782B (en) | 2014-09-22 | 2014-09-22 | Starter relay durable systems and test method with safeguard protection and fault cues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410485927.9A CN104237782B (en) | 2014-09-22 | 2014-09-22 | Starter relay durable systems and test method with safeguard protection and fault cues |
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| Publication Number | Publication Date |
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| CN104237782A true CN104237782A (en) | 2014-12-24 |
| CN104237782B CN104237782B (en) | 2018-02-16 |
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| CN201410485927.9A Expired - Fee Related CN104237782B (en) | 2014-09-22 | 2014-09-22 | Starter relay durable systems and test method with safeguard protection and fault cues |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051738A (en) * | 2018-02-09 | 2018-05-18 | 太仓神明电子有限公司 | A kind of electric relay detection device and detection method |
| CN108241122A (en) * | 2016-12-23 | 2018-07-03 | 北京金风科创风电设备有限公司 | Testing device and method for action delay of contactor |
| CN110988666A (en) * | 2019-12-03 | 2020-04-10 | 许昌开普检测研究院股份有限公司 | Device for detecting voltage bearing and current bearing of relay contact |
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| JP2007236100A (en) * | 2006-03-01 | 2007-09-13 | Chugoku Electric Power Co Inc:The | Test system, test method and test program of protection relay, and recording medium for recording program |
| CN102135598A (en) * | 2011-04-11 | 2011-07-27 | 宁波拓普制动系统有限公司 | Device and method for testing durability of automobile relay |
| CN102353895A (en) * | 2011-06-08 | 2012-02-15 | 河北工业大学 | Low voltage breaker life automatic test apparatus |
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| CN204101696U (en) * | 2014-09-22 | 2015-01-14 | 力帆实业(集团)股份有限公司 | With the starter relay durable systems of safeguard protection and fault cues |
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2014
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Patent Citations (5)
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| JP2007236100A (en) * | 2006-03-01 | 2007-09-13 | Chugoku Electric Power Co Inc:The | Test system, test method and test program of protection relay, and recording medium for recording program |
| CN102135598A (en) * | 2011-04-11 | 2011-07-27 | 宁波拓普制动系统有限公司 | Device and method for testing durability of automobile relay |
| CN102353895A (en) * | 2011-06-08 | 2012-02-15 | 河北工业大学 | Low voltage breaker life automatic test apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108241122A (en) * | 2016-12-23 | 2018-07-03 | 北京金风科创风电设备有限公司 | Testing device and method for action delay of contactor |
| CN108051738A (en) * | 2018-02-09 | 2018-05-18 | 太仓神明电子有限公司 | A kind of electric relay detection device and detection method |
| CN108051738B (en) * | 2018-02-09 | 2024-01-26 | 太仓神明电子有限公司 | Relay detection device and detection method |
| CN110988666A (en) * | 2019-12-03 | 2020-04-10 | 许昌开普检测研究院股份有限公司 | Device for detecting voltage bearing and current bearing of relay contact |
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| CN104237782B (en) | 2018-02-16 |
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