CN204044317U - A kind of portable polarized relay testing apparatus - Google Patents
A kind of portable polarized relay testing apparatus Download PDFInfo
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- CN204044317U CN204044317U CN201420347249.5U CN201420347249U CN204044317U CN 204044317 U CN204044317 U CN 204044317U CN 201420347249 U CN201420347249 U CN 201420347249U CN 204044317 U CN204044317 U CN 204044317U
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- power supply
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- polarized relay
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- direction switch
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000012795 verification Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of portable polarized relay testing apparatus, comprise polarized relay base, change-over switch between coil, power supply two-direction switch, first rheostat, second rheostat, middle left contact on/off pilot lamp, middle right contact on/off pilot lamp, power switch, power supply push button and electric battery, wherein: described electric battery, power switch, power supply push button connects successively with the first rheostat and forms a second rheostatic stiff end described in loop and is connected described first rheostatic sliding end, second another stiff end rheostatic connects the first input end of described power supply two-direction switch.The utility model is tested for monostable and bistable electromagnetic relay, support the DC parameter test of 4 groups of coils and 2 groups of turning contact electromagnetic relays, meet polarized relay 5-10 times of action current and impact verification, only need the reometer of external different range to carry out debugging efforts.
Description
Technical field
The utility model relates to relay contact analog control system field, particularly relates to a kind of testing apparatus of testing the static attractive force and spring force characteristics test of polarized relay.
Background technology
Rectification type relay executive component in electric system relay protection extensively adopts polarized relay; polarized relay principle of work is the combined action in magnetic field and the relay of action that are produced by control coil by polarizing magnetic field and control electric current; its polarizing magnetic field is generally produced by the polarizing coil of magnet steel or logical direct current, and the suction of the armature of relay is moved direction and depended on the direction of current flow through in controlled winding.The test of the static attractive force and spring force characteristics of domestic and international small polarization relay; because the physical dimension of relay, the parameter such as armature displacement and power are all less; difficulty of test is larger; the small-sized proving installation of the formula that is easy to carry especially for transforming plant protecting field adjustable still lacks; in actual field debugging, apply relay protection comprehensive checker carries out in test process; due to harmonic component impact in rectification DC power supply; relay contact is caused to be shaken; remove difficulties; and test parameter discrete value is bigger than normal, depart from technical data value.
Polarized relay by code promulgated by the ministries or commissions of the Central Government be dispatch from the factory before tested, without the need to carrying out special debugging.But when actual field verifies, setting valve often departs from technical standard, according to inspection procedure, method of adjustment has one to be change the reference position of armature between magnetic pole to adjust action current, and gap is larger, and action current is larger, otherwise action current reduces; Two is suitably change armature metal wing aerofoil and permanent interplanar gap, adjustable action current; Three is move left and right the action current that porcelain frame can change relay lightly, comparatively large to the change of action current, answers SC during adjustment; Four is the sizes of position adjustable return current changing moving together contact, because the size hanging spring suffered torsion after the actuating of relay of armature affects the change of return current.After above-mentioned four kinds of methods adjustment, cannot the static attractive force and spring force characteristics test such as accurate test execution element polarized relay action current and return current in total group test.
Summary of the invention
The purpose of this utility model is to provide a kind of portable polarized relay testing apparatus, test for monostable and bistable electromagnetic relay, support the DC parameter test of 4 groups of coils and 2 groups of turning contact electromagnetic relays, meet polarized relay 5-10 times of action current and impact verification, only need the reometer of external different range to carry out debugging efforts.
The technical scheme realizing above-mentioned purpose is:
A kind of portable polarized relay testing apparatus, comprise change-over switch between polarized relay base, coil, power supply two-direction switch, the first rheostat, the second rheostat, middle left contact on/off pilot lamp, middle right contact on/off pilot lamp, power switch, power supply push button and electric battery, wherein:
Described electric battery, power switch, power supply push button and the first rheostat connect successively and form loop;
Described middle left contact on/off pilot lamp and described first varistors in parallel;
Described middle right contact on/off pilot lamp and described first varistors in parallel;
A described second rheostatic stiff end connects described first rheostatic sliding end, and second another stiff end rheostatic connects the first input end of described power supply two-direction switch;
The negative pole of electric battery described in second input termination of described power supply two-direction switch;
First output terminal of described power supply two-direction switch connects the input end of described polarized relay base by change-over switch between described coil;
Second output terminal of described power supply two-direction switch connects the output terminal of described polarized relay base.
In above-mentioned portable polarized relay testing apparatus, also comprise the jack of external impressed current table, be arranged in the end that connects of change-over switch between described power supply two-direction switch and coil.
In above-mentioned portable polarized relay testing apparatus, described power supply two-direction switch comprises first to fourth switch,
Described first switch connects first input end and first output terminal of described power supply two-direction switch;
Described second switch connects first input end and second output terminal of described power supply two-direction switch;
Described 3rd switch connects the second input end and first output terminal of described power supply two-direction switch;
Described 4th switch connects the second input end and second output terminal of described power supply two-direction switch.
The beneficial effects of the utility model are: the utility model is according to verification project in electric power publicationization 1996 editions " newly organized protective relay inspection " and verification requirement, the special small portable tester of the satisfied debugging test request that keeps the scene intact developed, this tester is the inevitable technological approaches improving the static attractive force and spring force characteristics testing level of polarized relay; Meanwhile, Current adjustment scope 0-500mA of the present utility model, and meet polarized relay 5-10 times of action current impact verification, the utility model only needs the reometer of external different range, can carry out debugging efforts.
Accompanying drawing explanation
Fig. 1 is polarized relay fundamental diagram;
Fig. 2 is the circuit diagram of polarized relay testing apparatus of the present utility model;
Fig. 3 is the floor plan of polarized relay testing apparatus of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1, show the principle of work of polarized relay.Be polarized relay coil winding and feature table with following table 1:
Table 1
Refer to Fig. 2, portable polarized relay testing apparatus of the present utility model, comprise change-over switch 2kk, power supply two-direction switch 1kk (change-over switch of the positive-negative polarity of coil winding) between polarized relay base 10, coil (winding I, winding II, winding III, winding IV), the first rheostat R1 (for coarse adjustment), the second rheostat R2 (for fine tuning), middle left contact on/off pilot lamp S1, middle right contact on/off pilot lamp S2, power switch 3kk, power supply push button 4kk, electric battery 20 and the jack for external impressed current table, wherein:
Electric battery 20 positive pole, power switch 3kk, power supply push button 4kk, the first rheostat R1 two stiff ends and electric battery 20 negative pole connect successively and form loop;
Middle left contact on/off pilot lamp S1 is in parallel with the first rheostat R1;
Middle right contact on/off pilot lamp S2 is in parallel with the first rheostat R1;
One stiff end of the second rheostat R2 connects the sliding end of the first rheostat R1, and another stiff end of the second rheostat R2 connects the first input end of power supply two-direction switch 1kk;
The negative pole of the second input termination electric battery 20 of power supply two-direction switch 1kk;
First output terminal of power supply two-direction switch 1kk connects the input end of polarized relay base 10 by change-over switch 2kk between coil;
Second output terminal of power supply two-direction switch 1kk connects the output terminal of polarized relay base 10.
The jack of external impressed current table is arranged in the end that connects of change-over switch 2kk between power supply two-direction switch 1kk and coil.
Concrete, power supply two-direction switch 1kk comprises first to fourth K switch 1, K2, K3, K4; First K switch 1 connects first input end and first output terminal of power supply two-direction switch 1kk; Second switch K2 connects first input end and second output terminal of power supply two-direction switch 1kk; 3rd K switch 3 connects the second input end and first output terminal of power supply two-direction switch 1kk; 4th K switch 4 connects the second input end and second output terminal of power supply two-direction switch 1kk.
Following table 2, table 3, table 4 are respectively deciliter table of change-over switch 2kk and power switch 3kk between power supply two-direction switch 1kk, coil:
Table 2
Table 3
Table 4
To sum up, the utility model can meet monostable and bistable electromagnetic relay (especially HY-10 series polarized relay) is tested, support the DC parameter test of 4 groups of coils and 2 groups of turning contact electromagnetic relays, be applicable to field-checking and monomer test, meet corresponding national standard and the requirement meeting portion's version code.Referring to Fig. 3, is floor plan of the present utility model.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when not departing from spirit and scope of the present utility model, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. a portable polarized relay testing apparatus, it is characterized in that, comprise change-over switch between polarized relay base, coil, power supply two-direction switch, the first rheostat, the second rheostat, middle left contact on/off pilot lamp, middle right contact on/off pilot lamp, power switch, power supply push button and electric battery, wherein:
Described electric battery, power switch, power supply push button and the first rheostat connect successively and form loop;
Described middle left contact on/off pilot lamp and described first varistors in parallel;
Described middle right contact on/off pilot lamp and described first varistors in parallel;
A described second rheostatic stiff end connects described first rheostatic sliding end, and second another stiff end rheostatic connects the first input end of described power supply two-direction switch;
The negative pole of electric battery described in second input termination of described power supply two-direction switch;
First output terminal of described power supply two-direction switch connects the input end of described polarized relay base by change-over switch between described coil;
Second output terminal of described power supply two-direction switch connects the output terminal of described polarized relay base.
2. portable polarized relay testing apparatus according to claim 1, is characterized in that, also comprise the jack of external impressed current table, is arranged in the end that connects of change-over switch between described power supply two-direction switch and coil.
3. portable polarized relay testing apparatus according to claim 1, is characterized in that, described power supply two-direction switch comprises first to fourth switch,
Described first switch connects first input end and first output terminal of described power supply two-direction switch;
Described second switch connects first input end and second output terminal of described power supply two-direction switch;
Described 3rd switch connects the second input end and first output terminal of described power supply two-direction switch;
Described 4th switch connects the second input end and second output terminal of described power supply two-direction switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347249.5U CN204044317U (en) | 2014-06-26 | 2014-06-26 | A kind of portable polarized relay testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420347249.5U CN204044317U (en) | 2014-06-26 | 2014-06-26 | A kind of portable polarized relay testing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204044317U true CN204044317U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420347249.5U Expired - Lifetime CN204044317U (en) | 2014-06-26 | 2014-06-26 | A kind of portable polarized relay testing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020416A (en) * | 2014-06-26 | 2014-09-03 | 国网上海市电力公司 | Portable polarized relay testing equipment |
-
2014
- 2014-06-26 CN CN201420347249.5U patent/CN204044317U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020416A (en) * | 2014-06-26 | 2014-09-03 | 国网上海市电力公司 | Portable polarized relay testing equipment |
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