CN204028306U - The high low voltage impulse test tool of A.C. contactor - Google Patents
The high low voltage impulse test tool of A.C. contactor Download PDFInfo
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- CN204028306U CN204028306U CN201420264505.4U CN201420264505U CN204028306U CN 204028306 U CN204028306 U CN 204028306U CN 201420264505 U CN201420264505 U CN 201420264505U CN 204028306 U CN204028306 U CN 204028306U
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Abstract
The utility model discloses the high low voltage impulse test tool of a kind of A.C. contactor.The high low voltage impulse test tool of this A.C. contactor comprises: the first voltage follower circuit, for exporting the first voltage to tested A.C. contactor; Second voltage output circuit, for exporting second voltage to tested A.C. contactor; The first voltage is higher than second voltage, and the first voltage follower circuit and second voltage output circuit are optionally communicated with tested A.C. contactor (9); Switching device shifter, for switching the connected state of the first voltage follower circuit and second voltage output circuit and tested A.C. contactor (9).According to the high low voltage impulse test tool of A.C. contactor of the present utility model, can detect the high low voltage impulse performance of A.C. contactor, improve the reliability of A.C. contactor Performance Detection.
Description
Technical field
The utility model relates to a kind of voltge surge testing equipment, in particular to the high low voltage impulse test tool of a kind of A.C. contactor.
Background technology
Existing A.C. contactor detection mechanical life test, the alternating current that is merely able to the ac contactor coil to add 220V voltage carries out break-make test, and because the voltage in a lot of areas is also unstable, detect up-to-standard A.C. contactor by existing A.C. contactor detection mechanical life test, regional fault at these spread of voltages is more, therefore, need a kind of test tool that can detect the high low voltage impulse performance of A.C. contactor.
Utility model content
In the utility model embodiment, provide a kind of A.C. contactor high low voltage impulse test tool, can detect the high low voltage impulse performance of A.C. contactor, improve the reliability of A.C. contactor Performance Detection.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of A.C. contactor high low voltage impulse test tool, comprising: the first voltage follower circuit, for exporting the first voltage to tested A.C. contactor; Second voltage output circuit, for exporting second voltage to tested A.C. contactor; The first voltage is higher than second voltage, and the first voltage follower circuit and second voltage output circuit are optionally communicated with tested A.C. contactor; Switching device shifter, for switching the connected state of the first voltage follower circuit and second voltage output circuit and tested A.C. contactor.
As preferably, the first voltage follower circuit comprises: the first pressure regulator, for regulating the first voltage; The first A.C. contactor, for controlling the break-make of the first voltage of the first pressure regulator output; Second voltage output circuit comprises: the second pressure regulator, for regulating second voltage; The second A.C. contactor, for controlling the break-make of second voltage of the second pressure regulator output.
As preferably, switching device shifter comprises: the first timer, is connected with the first A.C. contactor, for controlling the make-and-break time of the first A.C. contactor; The second timer, is connected with the second A.C. contactor, for controlling the make-and-break time of the second A.C. contactor.
As preferably, the high low voltage impulse test tool of A.C. contactor also comprises counter, and counter is connected with the second timer with the first timer, for adding up the test loop of the first voltage and second voltage.
As preferably, the second timer is also connected with timing relay, connects the second A.C. contactor for controlling the second timer time delay.
As preferably, counter and timing relay are connected to 220V alternating voltage.
As preferably, the first voltage is 253V, and second voltage is 165V.
The utility model at least has following beneficial effect:
The high low voltage impulse performance of A.C. contactor in high voltage and low voltage range can be to voltage instability time detects, and ensures reliability when A.C. contactor uses in voltage instability area, reduces operational failure.
Brief description of the drawings
Fig. 1 is the structural representation of the high low voltage impulse test tool of the A.C. contactor of the utility model embodiment.
Description of reference numerals
1, the first pressure regulator; 2, the second pressure regulator; 3, the first A.C. contactor; 4, the second A.C. contactor; 5, the first timer; 6, the second timer; 7, counter; 8, timing relay; 9, tested A.C. contactor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Fig. 1 is the structural representation of the high low voltage impulse test tool of the A.C. contactor of the utility model embodiment.As shown in Figure 1, the high low voltage impulse test tool of the A.C. contactor of the present embodiment comprises the first voltage follower circuit, for exporting the first voltage to tested A.C. contactor; Second voltage output circuit, for exporting second voltage to tested A.C. contactor; The first voltage is higher than second voltage, and the first voltage follower circuit and second voltage output circuit are optionally communicated with tested A.C. contactor 9; Switching device shifter, for switching the connected state of the first voltage follower circuit and second voltage output circuit and tested A.C. contactor 9.
In the time that tested A.C. contactor 9 is tested, can optionally be communicated with tested A.C. contactor 9 by the first voltage follower circuit and second voltage output circuit, thereby the performance of the tested A.C. contactor 9 under performance and second voltage state to the tested A.C. contactor 9 under the first voltage status is tested respectively, can realize the test of the high low voltage impulse performance to tested A.C. contactor 9, thereby detect tested A.C. contactor 9 and whether can meet the request for utilization in spread of voltage area, improve the reliability of tested A.C. contactor 9 Performance Detection, can effectively reduce the A.C. contactor operational failure in spread of voltage area, improve product service property (quality).Above-mentioned test fixture is simple in structure, easy to operate, and cost is lower, and applicability is better.
The first voltage follower circuit comprises that the first pressure regulator 1 and 3: the first pressure regulators 1 of the first A.C. contactor are for regulating the first voltage; The first A.C. contactor 3 is for the break-make of the first voltage of controlling the first pressure regulator 1 and exporting.Second voltage output circuit comprises that the second pressure regulator 2 and the second A.C. contactor 4, the second pressure regulators 2 are for regulating second voltage; The second A.C. contactor 4 is for the break-make of the second voltage controlling the second pressure regulator 2 and export.Can regulate the voltage that is delivered to tested A.C. contactor 9 by the first pressure regulator 1 and the second pressure regulator 2, the actual voltage conditions that uses of simulation, obtains more accurately real test result more exactly.The first A.C. contactor 3 and the second A.C. contactor 4 can be controlled the break-make of two pressure regulators, thereby test more easily.
Switching device shifter comprises that the first timer 5 and the second timer 6, the first timers 5 are connected with the first A.C. contactor 3, for controlling the make-and-break time of the first A.C. contactor 3; The second timer 6 is connected with the second A.C. contactor 4, for controlling the make-and-break time of the second A.C. contactor 4.
The high low voltage impulse test tool of A.C. contactor also comprises counter 7, and counter 7 is connected with the second timer 6 with the first timer 5, for adding up the test loop of the first voltage and second voltage.After the first voltage and second voltage are once tested tested A.C. contactor 9 respectively, counter stored count once, thereby realize the height voltage cycle impulse test to tested A.C. contactor 9.
Preferably, the second timer 6 is also connected with timing relay 8, connects the second A.C. contactor 4 for controlling the second timer 6 time delays.The second timer 6 time delays, are in order to postpone for the second 6 turn-on times of timer, and between time delay, the first timer 5 is connected the first A.C. contactor 3 and switched on to tested A.C. contactor 9, and the timing time of the first timer 5 is synchronizeed with the second timer 6 delay times.After the first timer 5 timing times arrive, the second timer 6 is connected the second A.C. contactor 4 and is switched on to tested A.C. contactor 9, thereby reaches once circulation.
In order to ensure job stability and the reliability of counter 7 and timing relay 8, counter 7 and timing relay 8 are connected to 220V alternating current.
In the present embodiment, the first voltage is 253V, and second voltage is 165V.
It is one high and one low that the high low voltage impulse test tool of A.C. contactor of the present embodiment adjusts two kinds of different output voltages by two pressure regulators, and then switch high low-voltage output and supply with the coil of tested A.C. contactor by switching device shifter, ac contactor coil energising is started working, the mode of the reciprocal break-make switched voltage by switching device shifter, can reach simulation and use voltage conditions, thereby realize the height voltage cycle impact experiment to ac contactor coil.
Below the actual use procedure of the high low voltage impulse test tool of the A.C. contactor of the present embodiment is described:
1, the normally opened contact of the normally opened contact of the first pressure regulator 1 output HIGH voltage 253V to the first A.C. contactor 3, the second pressure regulator 2 output LOW voltage 165V to the second A.C. contactors 4;
2, the first timer 5 arranges logical 5
s, the coil break-make of control the first A.C. contactor 3, the contacting of the first A.C. contactor 3, powers to tested A.C. contactor 9;
3, the second timer 6 arranges logical 10s, and after 5 seconds, connects the coil of the second A.C. contactor 4 by timing relay 8 on-delay mode control the second timer 6 time delays again, and now the second A.C. contactor 4 powers to tested A.C. contactor 9;
4, tested A.C. contactor 9 is in the each energising 5 of two voltage follower circuits
safter, rolling counters forward is once.
Certainly, be more than preferred implementation of the present utility model.It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model ultimate principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
1. the high low voltage impulse test tool of A.C. contactor, is characterized in that, comprising:
The first voltage follower circuit, for exporting the first voltage to tested A.C. contactor;
Second voltage output circuit, for exporting second voltage to tested A.C. contactor;
Described the first voltage is higher than described second voltage, and described the first voltage follower circuit and described second voltage output circuit are optionally communicated with described tested A.C. contactor (9);
Switching device shifter, for switching the connected state of described the first voltage follower circuit and described second voltage output circuit and described tested A.C. contactor (9);
Described the first voltage follower circuit comprises:
The first pressure regulator (1), for regulating described the first voltage;
The first A.C. contactor (3), for controlling the break-make of described the first voltage of the first pressure regulator (1) output;
Described second voltage output circuit comprises:
The second pressure regulator (2), for regulating described second voltage;
The second A.C. contactor (4), for controlling the break-make of described second voltage of described the second pressure regulator (2) output;
Described switching device shifter comprises:
The first timer (5), is connected with described the first A.C. contactor (3), for controlling the make-and-break time of described the first A.C. contactor (3);
The second timer (6), is connected with described the second A.C. contactor (4), for controlling the make-and-break time of described the second A.C. contactor (4);
The high low voltage impulse test tool of described A.C. contactor also comprises counter (7), described counter (7) is connected with described the second timer (6) with described the first timer (5), for adding up the test loop of described the first voltage and described second voltage.
2. the high low voltage impulse test tool of A.C. contactor according to claim 1, it is characterized in that, described the second timer (6) is also connected with timing relay (8), connects described the second A.C. contactor (4) for controlling described the second timer (6) time delay.
3. the high low voltage impulse test tool of A.C. contactor according to claim 2, is characterized in that, described counter (7) and described timing relay (8) are connected to 220V voltage.
4. the high low voltage impulse test tool of A.C. contactor according to claim 1, is characterized in that, described the first voltage is 253V, and described second voltage is 165V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264505.4U CN204028306U (en) | 2014-05-22 | 2014-05-22 | The high low voltage impulse test tool of A.C. contactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264505.4U CN204028306U (en) | 2014-05-22 | 2014-05-22 | The high low voltage impulse test tool of A.C. contactor |
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| CN204028306U true CN204028306U (en) | 2014-12-17 |
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| CN201420264505.4U Active CN204028306U (en) | 2014-05-22 | 2014-05-22 | The high low voltage impulse test tool of A.C. contactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051670A (en) * | 2017-12-05 | 2018-05-18 | 深圳国创名厨商用设备制造有限公司南海分公司 | A kind of transformer testing frock |
-
2014
- 2014-05-22 CN CN201420264505.4U patent/CN204028306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051670A (en) * | 2017-12-05 | 2018-05-18 | 深圳国创名厨商用设备制造有限公司南海分公司 | A kind of transformer testing frock |
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