CN105182227A - Relay aging instrument - Google Patents
Relay aging instrument Download PDFInfo
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- CN105182227A CN105182227A CN201510552622.XA CN201510552622A CN105182227A CN 105182227 A CN105182227 A CN 105182227A CN 201510552622 A CN201510552622 A CN 201510552622A CN 105182227 A CN105182227 A CN 105182227A
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Abstract
The invention discloses a relay aging instrument which comprises a square signal generation circuit, a gear selection circuit, a buzzer circuit and an output circuit. The square signal generation circuit comprises a controller, a peripheral circuit, a linear power supply module, a 5V power supply module, a 12V power supply module, an isolation circuit and a driving circuit. The input end of the controller is connected with the gear selection circuit, and the output end thereof is connected with the buzzer circuit and the isolation circuit; the input end of the driving circuit is connected with the isolation circuit, and the output end thereof is connected with the output circuit; the output end of the linear power supply module is connected with the driving circuit and the output circuit; the 5V power supply module provides power for the controller and the gear selection circuit; the 12V power supply module provides power for the isolation circuit, the driving circuit and the buzzer circuit; and the gear selection circuit comprises a frequency selection circuit and a pulse selection circuit, which are connected with two waveband switches on an instrument panel respectively. The relay aging instrument drives a relay directly by adopting a multi-gear selection mode, and thus aging or life test of the relay is realized.
Description
Technical field
The present invention relates to the ageing field tests of relay, particularly relate to a kind of relay ageing instrument.
Background technology
Relay (English name: relay) is when input quantity (energizing quantity) meets defined terms; in output loop, make controlled volume that a kind of control element of predetermined Spline smoothing occurs, it is widely used in other military-civil Automated condtrol such as military equipment, communication apparatus, computing machine, automobile, industrial control equipment, instrument and meter and relay protection system.In order to ensure the reliability of relay and reject initial failure product, reduce crash rate, relay selective mechanisms in process of production just becomes particularly important.At present, the ageing test of relay adopts the mode of temporarily building measurement circuit always, and frequency generally immobilizes, and operate very inconvenient, and testing efficiency is very low.
Therefore need badly and provide a kind of novel ageing proving installation of relay to solve the problems referred to above.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of relay ageing instrument, can realize ageing or the life test of relay.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of relay ageing instrument, its instrument panel comprises two waveres, voltage instruction, electric current instruction, output interface, power switch, its internal circuit comprises square-wave signal and produces circuit, gear selection circuit, buzzer circuit, output circuit, square-wave signal produces circuit and comprises controller and peripheral circuit, linear power supply module, 5V power module, 12V power module, buffer circuit, driving circuit, the input end of controller connects gear selection circuit, output terminal connects buzzer circuit and buffer circuit, the input end of driving circuit connects buffer circuit, output terminal connects output circuit, the output terminal of linear power supply module connects driving circuit and output circuit respectively, 5V power module is that controller and gear selection circuit are powered, 12V power module is buffer circuit, driving circuit and buzzer circuit are powered, gear selection circuit comprises frequency selective network, pulse selecting circuit, is connected respectively two waveres on instrument panel.
In a preferred embodiment of the present invention, square-wave signal produces circuit and comprises controller U1 and peripheral circuit, resistance R12, R13, triode type photoelectrical coupler Q1, P channel depletion type field effect transistor Q2, the input/output end port of one end connection control device U1 of resistance R12, the other end connects the input anode of optocoupler Q1, the input cathode of optocoupler Q1 connects the negative pole of 5V power supply, outgoing side one end is connected with one end of resistance R13 and the grid of field effect transistor Q2, the outgoing side other end connects the negative pole of 12V power supply, the other end of resistance R13 connects the drain electrode of field effect transistor Q2, and be connected with the positive pole of 12V power supply with a direct current adjustable source respectively, the source electrode of field effect transistor Q2 connects the input anode of relay to be measured, the input cathode of relay to be measured connects the negative pole of direct current adjustable source, linear power supply module is that direct current adjustable source is powered.Wherein, buffer circuit comprises triode type photoelectrical coupler Q1, and driving circuit comprises P channel depletion type field effect transistor Q2.
Further, controller comprises single-chip microcomputer, DSP, ARM.
In a preferred embodiment of the present invention, gear selection circuit comprises divider resistance R0, R1 ~ Rn, waver, one end of resistance R0 is connected with the positive pole of 5V power supply, the other end is connected with the input/output end port of controller, and be connected with one end of divider resistance R1 ~ Rn respectively, the other end of divider resistance R1 ~ Rn is connected with one grade of waver respectively, and the common port of waver is connected with the negative pole of 5V power supply.
Further, the gear number of waver is identical with the number of divider resistance R1 ~ Rn, and therefore frequency selective network is identical with the circuit structure of pulse selecting circuit.
Further, the gear number of waver is corresponding with the species number of the required individual pulse width of test, and the number of divider resistance R1 ~ Rn is corresponding with the species number of the required frequency of test.
The invention has the beneficial effects as follows: the present invention can generate the square-wave signal of multi-frequency, there is voltage and current to indicate simultaneously, for ageing or the durability test of relay, wherein pulse width can be selected, and produce alerting signal when pulse width and signal frequency clash, the selection of multiple different frequency and individual pulse width is realized by the waver of two on instrument panel, and pulse excitation directly drives relay by output interface on instrument panel, easy to operate, testing efficiency is high.
Accompanying drawing explanation
Fig. 1 is the theory diagram of invention relay ageing instrument one preferred embodiment;
Fig. 2 is the circuit theory diagrams that described square-wave signal produces circuit;
Fig. 3 is the circuit theory diagrams of described gear selection circuit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of relay ageing instrument, its instrument panel comprises two waveres, voltage instruction, electric current instruction, output interface, power switch, its internal circuit comprises square-wave signal and produces circuit, gear selection circuit, buzzer circuit, output circuit, square-wave signal produces circuit and comprises controller and peripheral circuit, linear power supply module, 5V power module, 12V power module, buffer circuit, driving circuit, the input end of controller connects gear selection circuit, output terminal connects buzzer circuit and buffer circuit, the input end of driving circuit connects buffer circuit, output terminal connects output circuit, output circuit connects the output interface on instrument panel, output interface connects the input end of relay to be measured, the output terminal of linear power supply module connects driving circuit and output circuit respectively, 5V power module is that controller and gear selection circuit are powered, 12V power module is buffer circuit, driving circuit and buzzer circuit are powered, gear selection circuit comprises frequency selective network, pulse selecting circuit, is connected respectively two waveres on instrument panel.
Specifically describe the internal circuit configuration of described relay ageing instrument below.
The square-wave signal of described relay ageing instrument produces circuit, mainly comprises the controller, buffer circuit, the driving circuit that are connected successively.Controller comprises the control chip such as single-chip microcomputer, DSP, ARM.Buffer circuit adopts light-coupled isolation amplifying circuit, and driving circuit adopts field effect transistor driving circuit or solid-state relay driving circuit.As shown in Figure 2, in a preferred embodiment, square-wave signal produces circuit and comprises controller U1 and peripheral circuit, resistance R12, R13, triode type photoelectrical coupler Q1, P channel depletion type field effect transistor Q2, the input/output end port of one end connection control device U1 of resistance R12, the other end connects the input anode of optocoupler Q1, the input cathode of optocoupler Q1 connects the negative pole of 5V power supply, outgoing side one end is connected with one end of resistance R13 and the grid of field effect transistor Q2, the outgoing side other end connects the negative pole of 12V power supply, the other end of resistance R13 connects the drain electrode of field effect transistor Q2, and be connected with the positive pole of 12V power supply with a direct current adjustable source respectively, the source electrode of field effect transistor Q2 connects the input anode of relay to be measured, the input cathode of relay to be measured connects the negative pole of direct current adjustable source, linear power supply module is that direct current adjustable source is powered.
Gear selection circuit comprises divider resistance R0, R1 ~ Rn, waver, one end of resistance R0 is connected with the positive pole of 5V power supply, the other end is connected with the input/output end port of controller U1, and be connected with one end of divider resistance R1 ~ Rn respectively, the other end of divider resistance R1 ~ Rn is connected with one grade of waver respectively, and the common port of waver is connected with the negative pole of 5V power supply.The gear number of waver is identical with the number of divider resistance R1 ~ Rn, and therefore frequency selective network is identical with the circuit structure of pulse selecting circuit.The selection of divider resistance number and waver gear number is arranged in pairs or groups according to the species number of the species number of required frequency or required individual pulse width.Such as select 11 kinds of pulsed frequencies and 11 kinds of pulse widths, the positive pole of resistance R0 mono-termination 5V power supply, the other end is connected with the input/output end port of controller U1, and is connected with one end of R11 with resistance R1, R2, R2, R3, R4, R5, R6, R7, R8, R9, R10 respectively; The other end of resistance R1, R2, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 is connected with one grade of waver respectively, and the common port of waver is connected with the negative pole of 5V power supply.
The principle of work of described relay ageing instrument is by the individual pulse width needed for pulsewidth selection circuit and frequency selective network selection test and corresponding frequency, the selection of multiple frequency or the selection of multiple pulsewidth realize adopting multiple different electric resistance partial pressure mode, form multiple varying voltage signal, after being changed by A/D, by controller U1, it is judged, determine corresponding gear.If when selected frequency and the conflict of individual pulse width, buzzer circuit can send alerting signal, such as, when selection test frequency is 10Hz, individual pulse width is 200ms, frequency is that 10Hz computation period should be 100ms, and the individual pulse width selected is greater than the recurrence interval calculated, this cannot realize, and now can send alerting signal.Utilize controller U1 to produce the square-wave signal of corresponding pulsewidth and frequency by software programming, make driving circuit conducting or shutoff by buffer circuit, make outer power voltage be applied to the input end of tested relay, thus drive tested relay to be switched on or switched off.
The present invention can generate the square-wave signal of multi-frequency, there is voltage and current to indicate simultaneously, for ageing or the durability test of relay, wherein pulse width can be selected, and produce alerting signal when pulse width and signal frequency clash, realized the selection of multiple different frequency and individual pulse width by the waver of two on instrument panel, and pulse excitation directly drives relay by output interface on instrument panel, easy to operate, testing efficiency is high.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a relay ageing instrument, is characterized in that, its instrument panel comprises two waveres, voltage instruction, electric current instruction, output interface, power switch, its internal circuit comprises square-wave signal and produces circuit, gear selection circuit, buzzer circuit, output circuit, square-wave signal produces circuit and comprises controller and peripheral circuit, linear power supply module, 5V power module, 12V power module, buffer circuit, driving circuit, the input end of controller connects gear selection circuit, output terminal connects buzzer circuit and buffer circuit, the input end of driving circuit connects buffer circuit, output terminal connects output circuit, the output terminal of linear power supply module connects driving circuit and output circuit respectively, 5V power module is that controller and gear selection circuit are powered, 12V power module is buffer circuit, driving circuit and buzzer circuit are powered, gear selection circuit comprises frequency selective network, pulse selecting circuit, is connected respectively two waveres on instrument panel.
2. relay ageing instrument according to claim 1, it is characterized in that, square-wave signal produces circuit and comprises controller U1 and peripheral circuit, resistance R12, R13, triode type photoelectrical coupler Q1, P channel depletion type field effect transistor Q2, the input/output end port of one end connection control device U1 of resistance R12, the other end connects the input anode of optocoupler Q1, the input cathode of optocoupler Q1 connects the negative pole of 5V power supply, outgoing side one end is connected with one end of resistance R13 and the grid of field effect transistor Q2, the outgoing side other end connects the negative pole of 12V power supply, the other end of resistance R13 connects the drain electrode of field effect transistor Q2, and be connected with the positive pole of 12V power supply with a direct current adjustable source respectively, the source electrode of field effect transistor Q2 connects the input anode of relay to be measured, the input cathode of relay to be measured connects the negative pole of direct current adjustable source, linear power supply module is that direct current adjustable source is powered.
3. the relay ageing instrument according to any one of claim 1 or 2, it is characterized in that, controller comprises single-chip microcomputer, DSP, ARM.
4. relay ageing instrument according to claim 1, it is characterized in that, gear selection circuit comprises divider resistance R0, R1 ~ Rn, waver, one end of resistance R0 is connected with the positive pole of 5V power supply, the other end is connected with the input/output end port of controller, and be connected with one end of divider resistance R1 ~ Rn respectively, the other end of divider resistance R1 ~ Rn is connected with one grade of waver respectively, and the common port of waver is connected with the negative pole of 5V power supply.
5. relay ageing instrument according to claim 4, is characterized in that, the gear number of waver is identical with the number of divider resistance R1 ~ Rn.
6. the relay ageing instrument according to claim 1 or 4 or 5, is characterized in that, the gear number of waver is corresponding with the species number of the required individual pulse width of test, and the number of divider resistance R1 ~ Rn is corresponding with the species number of the required frequency of test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552622.XA CN105182227A (en) | 2015-08-31 | 2015-08-31 | Relay aging instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552622.XA CN105182227A (en) | 2015-08-31 | 2015-08-31 | Relay aging instrument |
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| CN105182227A true CN105182227A (en) | 2015-12-23 |
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| CN201510552622.XA Pending CN105182227A (en) | 2015-08-31 | 2015-08-31 | Relay aging instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501714A (en) * | 2016-12-09 | 2017-03-15 | 上海航空电器有限公司 | A kind of digitizing switch detection circuit and method with fault diagnosis functions |
| CN107271879A (en) * | 2017-05-31 | 2017-10-20 | 上海华力微电子有限公司 | Semiconductor chip ageing tester and method |
| CN108152730A (en) * | 2018-01-15 | 2018-06-12 | 南京工业职业技术学院 | A kind of AUTOMOTIVE RELAY detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460863A (en) * | 2003-05-16 | 2003-12-10 | 华东师范大学 | Contact MEMS switch life testing method and its testing instrument |
| US6998563B1 (en) * | 2005-02-28 | 2006-02-14 | Hsin-Yuan Miao | Carbon nanotube apparatus for surface discharge polishing |
| WO2013175846A1 (en) * | 2012-05-21 | 2013-11-28 | 三菱電機株式会社 | Performance test system for protective relay apparatus |
| CN203761250U (en) * | 2013-11-26 | 2014-08-06 | 洛阳隆盛科技有限责任公司 | Power square wave generation circuit with adjustable pulse width |
| CN104407252A (en) * | 2014-12-02 | 2015-03-11 | 合肥工大高科信息科技股份有限公司 | Security detecting circuit for control button of mining switch machine and detecting method of security detecting circuit |
| CN204903722U (en) * | 2015-08-31 | 2015-12-23 | 中国电子科技集团公司第四十研究所 | Relay smelts appearance always |
-
2015
- 2015-08-31 CN CN201510552622.XA patent/CN105182227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460863A (en) * | 2003-05-16 | 2003-12-10 | 华东师范大学 | Contact MEMS switch life testing method and its testing instrument |
| US6998563B1 (en) * | 2005-02-28 | 2006-02-14 | Hsin-Yuan Miao | Carbon nanotube apparatus for surface discharge polishing |
| WO2013175846A1 (en) * | 2012-05-21 | 2013-11-28 | 三菱電機株式会社 | Performance test system for protective relay apparatus |
| CN203761250U (en) * | 2013-11-26 | 2014-08-06 | 洛阳隆盛科技有限责任公司 | Power square wave generation circuit with adjustable pulse width |
| CN104407252A (en) * | 2014-12-02 | 2015-03-11 | 合肥工大高科信息科技股份有限公司 | Security detecting circuit for control button of mining switch machine and detecting method of security detecting circuit |
| CN204903722U (en) * | 2015-08-31 | 2015-12-23 | 中国电子科技集团公司第四十研究所 | Relay smelts appearance always |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501714A (en) * | 2016-12-09 | 2017-03-15 | 上海航空电器有限公司 | A kind of digitizing switch detection circuit and method with fault diagnosis functions |
| CN107271879A (en) * | 2017-05-31 | 2017-10-20 | 上海华力微电子有限公司 | Semiconductor chip ageing tester and method |
| CN108152730A (en) * | 2018-01-15 | 2018-06-12 | 南京工业职业技术学院 | A kind of AUTOMOTIVE RELAY detection device |
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Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |