CN102969206B - Debugging method and debugging device for tripping action consistency of motor protector - Google Patents
Debugging method and debugging device for tripping action consistency of motor protector Download PDFInfo
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- CN102969206B CN102969206B CN201210452997.5A CN201210452997A CN102969206B CN 102969206 B CN102969206 B CN 102969206B CN 201210452997 A CN201210452997 A CN 201210452997A CN 102969206 B CN102969206 B CN 102969206B
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Abstract
The invention provides a debugging method and a debugging device for tripping action consistency of a motor protector. The debugging method comprises: (1) regulating angles of an adjusting head; (2) regulating guide plate displacement: i, obtaining the guide plate displacement X; ii, driving a debugging guide plate to move towards a main bimetallic sheet deformation direction of the motor protector to arrive at the debugging plate to contact and poke the adjusting head to trigger the motor protector to trip; iii, driving the debugging guide plate to move the distance of the guide plate displacement X in the reverse direction; iv, observing whether main bimetallic sheets are completely attached to contact feet of the corresponding debugging guide plate, executing a step (3) if on yes judgment, otherwise regulating the shape of the main bimetallic sheets to enable the main bimetallic sheets to be completely attached to the corresponding contact feet; (3) completing debugging of the motor protector until now; and (4) debugging other motor protector by using the method. The debugging device comprises a fixed structure, the debugging guide plate and a regulating mechanism. The debugging method and the debugging device are god in debugging effect, high in accuracy and efficiency and low in cost.
Description
Technical field
The present invention relates to a kind of adjustment method and debugging apparatus, particularly a kind of adjustment method and debugging apparatus of motor protector dropout action consistency.
Background technology
The operation principle of motor protector is: when motor energising, the main bimetal leaf of motor protector occurs bending and deformation because the electric current on motor circuit produces heat, thereby main bimetal leaf is because the guide plate that flexural deformation promotes to be attached thereto moves, guide plate promotes again auxiliary bimetal leaf and rotates; In the time passing through the electric current overrate of motor, after series of displacement conduction, auxiliary bimetal leaf impels the snap close being attached thereto to thread off by producing enough large rotation displacement, and then makes the power-off of motor circuit separating brake, realizes the protection to motor.
For motor protector is produced; whether the dropout action of same product unanimously directly has influence on the qualification rate of this kind of product; because the error of auxiliary bimetal leaf, main bimetal leaf and guide plate process and assemble makes the dropout stroke of each motor protector have difference, cause motor protector dropout action inconsistent.Therefore, motor protector production out afterwards needs its dropout stroke to debug, and keeps strokes with the dropout of guaranteeing like product, and this is also one of most important link in motor protector batch production process.
For the dropout of guaranteeing same product is kept strokes; need to regulate the dropout stroke of each motor protector; and dropout stroke mainly comprises two parts; a part is the produced displacement that turns an angle after auxiliary bimetal leaf is touched, and another part is that main bimetal leaf promotes the guide plate displacement that guide plate produces.In addition, because also having influence on main bimetal leaf, the initial position of auxiliary bimetal leaf promotes the guide plate displacement that guide plate produces, therefore, also need the initial angle of the adjusting head that regulates fixing auxiliary bimetal leaf, make auxiliary bimetal leaf in same initial angle, eliminate the impact of the guide plate displacement that main bimetal leaf promotion guide plate is produced.At present, the debugging motor protector same product method of keeping strokes of threading off mainly contains following three kinds:
1, experience ocular estimate.Experience ocular estimate mainly depends on staff's experience; utilize visual observations to adjust main bimetal leaf, auxiliary bimetal leaf and snap close position; realize same motor protector dropout consistency; but this method obviously will have very high requirement to staff's operating experience; and in order to improve debugging effect; need repeatedly repeatedly debugging, very consuming time, and finally debug effect be still difficult to ensure.
2, three-phase synchronous machine debugging method.The method is first to suppose a datum level, then by measuring main bimetal leaf that the distance of main bimetal leaf and datum level ensures same motor protector with three-phase synchronous machine in same position, can thread off unanimously with this kind of motor protector of establishing sb's identity, but this adjustment method has been ignored the error that other part process and assemble are brought, such as, same product is due to the problem of auxiliary bimetal leaf processing or assembling, there is certain deviation position, this obviously can exert an influence to dropout stroke, but above-mentioned this three-phase synchronous machine debugging method is difficult to eliminate the impact of this respect.Therefore, three-phase synchronous machine debugging method debugging effect is generally not ideal.
3, main bimetal leaf self-operated measuring unit debugging method.Chinese patent literature CN1423293A discloses a kind of adjustment method that uses the main bimetal leaf of motor protector overlond trip position automatic testing equipment.The main bimetal leaf of motor protector overlond trip position automatic testing equipment is made up of frame, the main bimetal leaf position sensing mechanism, laser micrometer, constant-current source and the controlling organization that are installed in frame.This kind of adjustment method comprises following key step: be first the deflection of measuring main bimetal leaf, this step need to load overload current, in the time that overload current passes through motor protector, main bimetal leaf temperature distortion, calculates main bi-metal plate deformed distance by sensing mechanism and controlling organization; Next is the position of measuring auxiliary bimetal leaf, and this step is actual is exactly the distance between auxiliary bimetal leaf position while calculating main bimetal leaf initial position and motor protector dropout; Finally, by above-mentioned two steps, obtain the directed long cutting data of guide plate through converting, determine guide plate cutting position.Each product passes through same debug process, and loading current all keeps identical for every product.
This kind of method is because each debugging all needs to redefine guide plate cutting position, and guide plate cannot be unified cutting, and therefore debugging efficiency is low, and the debugging apparatus complex structure using, and equipment cost is high, and operating process is also comparatively numerous and diverse, has further affected debugging efficiency.In addition, this kind of method do not regulate adjusting head angle, and therefore, the sensing scale of every product adjusting head having debugged is also inconsistent, can not eliminate auxiliary bimetal leaf main bimetal leaf is promoted to the Influence of Displacement that guide plate moves.
In sum, in prior art, still there is no that a kind of efficiency is high, cost is low, accuracy is high and debug adjustment method satisfactory for result and debugging apparatus.
Summary of the invention
For solving the problem that adjustment method of the prior art is undesirable for the conforming debugging effect of same motor protector dropout stroke, precision is lower, efficiency is not high, cost is higher, and provide, a kind of debugging is effective, accuracy is higher, efficiency is high and lower-cost motor protector dropout action consistency adjustment method and debugging apparatus.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of motor protector dropout action consistency adjustment method, comprises the steps:
1. adjust adjusting head angle: adjust the adjusting head of the auxiliary bimetal leaf of whole motor protectors of the same type, make described in each adjusting head and described auxiliary bimetal leaf in equal angular;
2. adjust guide plate displacement:
I. obtain the not debugging guide plate of the front described motor protector of debugging the stroke value X threading off occurs under the main bimetal leaf of described motor protector drives;
Ii. drive described debugging guide plate to move towards the deformation direction of the described main bimetal leaf of described motor protector, till the auxiliary bimetal leaf that contact and stir described adjusting head to described debugging guide plate triggers described motor protector dropout;
Iii. drive the reverse mobile X distance of described debugging guide plate;
Iv. observe the tactile foot laminating of main bimetal leaf and corresponding described debugging guide plate described in each whether completely, if fitted completely, execution step 3.; If not laminating completely, the shape of adjusting described main bimetal leaf is fitted main bimetal leaf and corresponding described tactile foot described in each completely;
3. so far the debugging work of described motor protector is complete;
4. debug by that analogy, other described motor protector.
In above-mentioned adjustment method, in described step I, the preparation method of described stroke value X is: the guide plate shift value of at least three described motor protectors 13 of sampling measurement, and be averaging acquisition guide plate stroke value X.
In above-mentioned adjustment method, in described step I v, if larger through observing described main bimetal leaf and corresponding described tactile sufficient distance, the shape of only adjusting described main bimetal leaf is not enough so that in the situation of described main bimetal leaf and corresponding described tactile foot laminating, first adjust described tactile sufficient length.
The motor protector dropout action consistency debugging apparatus that above-mentioned adjustment method adopts, comprises fixed mechanism, debugging guide plate and governor motion, and wherein, fixed mechanism is for fixing described motor protector; Debugging guide plate is arranged on a side of described fixed mechanism; have the contact that is suitable for the adjusting head of the described auxiliary bimetal leaf of stirring fixing rear described motor protector and then triggers described motor protector dropout and be suitable for at least one the tactile foot contacting with the main bimetal leaf of fixing rear described motor protector, governor motion is for the position along the described debugging guide plate of the reciprocal adjusting of described main bimetal leaf deformation direction and read described debugging guide plate position.
In above-mentioned debugging apparatus; also comprise slide mechanism; described slide mechanism is arranged on the below of described governor motion, drives described governor motion along the deformation direction reciprocating motion of described main bimetal leaf so that described debugging guide plate is abdicated the dismounting space of described motor protector.
In above-mentioned debugging apparatus, described governor motion comprises thimble and readable spiral pushing mechanism, and one end of described thimble is connected with described readable spiral pushing mechanism and is driven by described readable spiral pushing mechanism, and the other end is connected with described debugging guide plate.
In above-mentioned debugging apparatus, the other end of described thimble has crotch, the draw-in groove engagement connection on described crotch and described debugging guide plate.
In above-mentioned debugging apparatus, described fixed mechanism comprises right baffle-plate and the right baffle plate of clamping described motor protector; Described debugging guide plate is arranged at the side near described right baffle plate.
In above-mentioned debugging apparatus, the inwall that described right baffle plate contacts described motor protector is provided with elastomeric pad.
In above-mentioned debugging apparatus, the back side of described debugging guide plate has sliding pin with the position that described motor protector contacts, and correspondingly, is provided with the guide groove mating with described sliding pin on described motor protector, and described sliding pin reciprocatingly slides along described guide groove.
In above-mentioned debugging apparatus, described debugging guide plate has at least two described tactile foots.
In above-mentioned debugging apparatus, between described thimble and described readable spiral pushing mechanism by being nature and can connecting along the flexible flexible member of the deformation direction of described main bimetal leaf.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. motor protector dropout action consistency adjustment method provided by the invention, by adjusting adjusting head angle and guide plate displacement, motor protector dropout action is debugged, because being first passes through simulation dropout process, find accurately motor protector dropout action critical point, determine again accordingly the original position of main bimetal leaf according to the dropout stroke of the definite debugging of experiment value guide plate simultaneously, therefore, adjustment method provided by the invention not only can make same class product dropout action reach higher consistency, and easy and simple to handle, debugging efficiency is higher, cost is lower.
2. motor protector dropout action consistency adjustment method provided by the invention; wherein the inwall of right baffle plate contact motor protector is provided with elastomeric pad, utilizes the elastic force effect of elastomeric pad, can clamp motor protector; make it reliably fixing, guarantee adjustment accuracy and debugging effect.
3. motor protector dropout action consistency debugging apparatus provided by the invention; also there is slide mechanism, can drive governor motion along the reciprocating motion of main bimetal leaf deformation direction, make to debug guide plate and abdicate the dismounting space of motor protector; flexibly and easily, convenient operation.
4. motor protector dropout action consistency debugging apparatus provided by the invention, wherein between thimble and readable spiral pushing mechanism, connect by the flexible member that is nature, in the time having the foot of touching and main bimetal leaf not to fit completely, need to adjust shape or the position of main bimetal leaf, because main bimetal leaf is the sheet component of metal quality, be subject to self elasticity effect to have a certain amount of resilience it being adjusted to when operation main bimetal leaf, and in order to overcome this resilience force, adjust tend to when main bimetal leaf accommodative excess some, main like this bimetal leaf is slightly after resilience, just can just reach reservation shape and position, therefore by flexible member being set between thimble and readable spiral pushing mechanism, can make main bimetal leaf not regulated by thimble position influence, so project organization is ingenious rationally, can its rapid adjustment be put in place the main bimetal leaf of easy adjustment, debug effective, precision is high.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the schematic perspective view of motor protector dropout action consistency debugging apparatus of the present invention;
Fig. 2 is the schematic perspective view of debugging guide plate in motor protector dropout action consistency debugging apparatus of the present invention;
Fig. 3 is the front view of debugging guide plate in motor protector dropout action consistency debugging apparatus of the present invention;
Fig. 4 is the left view of debugging guide plate in motor protector dropout action consistency debugging apparatus of the present invention;
Fig. 5 is the rearview of debugging guide plate in motor protector dropout action consistency debugging apparatus of the present invention;
Fig. 6 is the schematic perspective view one of motor protector dropout action consistency debugging apparatus of the present invention while debugging;
Fig. 7 is the schematic perspective view two of motor protector dropout action consistency debugging apparatus of the present invention while debugging.
In figure, be labeled as: 1-debugs guide plate, 101-contact, 102-first touches foot, 103-second touches foot, 104-the 3rd touches foot, 105-draw-in groove, 106-sliding pin, 2-thimble, the readable spiral pushing mechanism of 3-, 4-supporting box, 5-fixed support, 6-fixed head, 7-slide block, 8-pedestal, 801-slide rail, 9-right baffle-plate, 10-backboard, the right baffle plate of 11-, the outer baffle plate of 12-, 1201-elastomeric pad, 13-motor protector, the main bimetal leaf of 1301-first, the main bimetal leaf of 1302-second, 1303-the 3rd main bimetal leaf, 1304-assists bimetal leaf, 1305-adjusting head.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Fig. 1-7, it is the preferred embodiment of motor protector dropout action consistency adjustment method of the present invention and debugging apparatus.
Described debugging apparatus comprises pedestal 8, and is arranged at fixed mechanism, debugging guide plate 1, governor motion and slide mechanism on described pedestal 8.
Described fixed mechanism is for fixing described motor protector 13, and described fixed mechanism comprises right baffle-plate 9, backboard 10, right baffle plate 11 and outer baffle plate 12.The common fixed space that forms of described right baffle-plate 9, backboard 10 and right baffle plate 11, described motor protector can be jammed and be fixed in above-mentioned fixed space.Described outer baffle plate 12 is fixing with described right baffle plate 11; described outer baffle plate 12 is provided with elastomeric pad 1201 towards a side of fixed space; described right baffle plate 11 is provided with through hole; described elastomeric pad 1201 enters described fixed space through described through hole, and the inwall that described right baffle plate 11 contacts described motor protector 13 has described elastomeric pad 1201.
Described debugging guide plate 1; be arranged on a side of described fixed mechanism; in the present embodiment; described debugging guide plate 1 is arranged at the side near described right baffle plate 11, described debugging guide plate 1 have be suitable for stirring fixing after described motor protector 13 auxiliary bimetal leaf 1304 adjusting head 1305 so that trigger contact 101 that described motor protector 13 threads off with three be suitable for fixing after the tactile foot 102,103,104 that contacts of the main bimetal leaf 1301,1302,1303 of described motor protector 13.Described tactile foot 102,103,104 has the nyctitropic gib head of described main bimetal leaf shape dorsad, and described gib head is suitable for steadily contacting with described main bimetal leaf 1301,1302,1303.On described contact 101, have projection, described projection is protruded towards described main bimetal leaf deformation direction, and described projection is suitable for stirring the described adjusting head 1305 of described auxiliary bimetal leaf 1304.The back side of described debugging guide plate 1 has sliding pin 106 with the position that described motor protector 13 contacts, and correspondingly, is provided with the guide groove mating with described sliding pin 106 on described motor protector 13, and described sliding pin 106 can reciprocatingly slide along described guide groove.
Described governor motion, for back and forth regulate the position of described debugging guide plate 1 along described main bimetal leaf deformation direction, described governor motion comprises readable spiral pushing mechanism 3, is preferably in the present embodiment micrometer caliper.
In the present embodiment, described governor motion also comprises thimble 2; One end of described thimble 2 is connected with described readable spiral pushing mechanism 3 and is driven by described readable spiral pushing mechanism 3, and the other end has crotch, draw-in groove 105 engagement connections on described crotch and described debugging guide plate 1.Between described thimble 2 and described readable spiral pushing mechanism 3 by being nature and can be along described main bimetal leaf 1301,1302,1303 the flexible described flexible member of deformation direction connects, described flexible member is placed in supporting box 4, and in the time applying enough large external force, described flexible member can be along described main bimetal leaf 1301,1302,1303 deformation direction is flexible, and in the present embodiment, described flexible member is elected spring as.
Described slide mechanism is arranged on the below of described governor motion, drives described governor motion along described main bimetal leaf deformation direction reciprocating motion so that described debugging guide plate 1 is abdicated the dismounting space of described motor protector.Described slide mechanism comprises slide block 7 and slide rail 801; In the present embodiment, described slide rail 801 is fixedly installed on described pedestal 8, and described slide block 7 is suitable for reciprocatingly sliding on described slide rail 801; A described slide block 7 dorsad side of described pedestal 8 is provided with fixed head 6, on described fixed head 6, has fixed support 5, and described readable spiral pushing mechanism 3 is arranged on described fixed support 5.
Utilize above-mentioned debugging apparatus to the thread off adjustment method of action consistency debugging of described motor protector 13 of the same type, comprise the steps:
1. adjust adjusting head angle: adjust the described adjusting head 1305 of the described auxiliary bimetal leaf 1304 of whole described motor protector 13 of the same type, make described in each adjusting head 1305 and described auxiliary bimetal leaf 1304 in equal angular;
2. adjust guide plate displacement:
I. obtain the not described debugging guide plate 1 of the front described motor protector 13 of debugging the stroke value X threading off occurs under the described main bimetal leaf 1301,1302,1303 of described motor protector 13 drives;
II. drive described debugging guide plate 1 to move towards the deformation direction of the described main bimetal leaf 1301,1302,1303 of described motor protector 13, till contacting and stir described adjusting head 1305 and trigger described motor protector 13 and thread off to described debugging guide plate 1;
III. drive the reverse mobile X distance of described debugging guide plate 1;
IV. observe the tactile foot laminating of main bimetal leaf 1301,1302,1303 and corresponding described debugging guide plate 1 described in each whether completely, if fitted completely, execution step is 3.; If not laminating completely, the shape of adjusting described main bimetal leaf 1301,1302,1303 makes main bimetal leaf 1301,1302,1303 described in each fit completely with corresponding described tactile foot;
3. so far the debugging work of described motor protector 13 is complete;
4. debug by that analogy, other described motor protector 13.
In the present embodiment, in described step I, the preparation method of described stroke value X is: the guide plate shift value of at least three described motor protectors 13 of sampling measurement, and be averaging acquisition guide plate stroke value X.
In the present embodiment, described step 2. before, also comprise by described slide mechanism and make described debugging guide plate 1 abdicate the step in the dismounting space of described motor protector 13.
In the described step IV of the present embodiment, if through observing described main bimetal leaf 1301,1302,1303 is larger with corresponding described tactile sufficient distance, the shape of only adjusting described main bimetal leaf 1301,1302,1303 is not enough so that described main bimetal leaf 1301,1302,1303 with the situation of corresponding described tactile foot laminating under, first adjust described tactile sufficient length, more according to circumstances to described main bimetal leaf 1301,1302,1303 shape is adjusted.
In other embodiments, described debugging guide plate 1 can have one, two even multiple described tactile foots, and to meet the main bimetal leaf quantitative requirement of the different motor protectors such as single-phase, heterogeneous, the described tactile foot having more also can do for subsequent use.
In other embodiments, described elastomeric pad 1201 also can directly be arranged at described right baffle plate 11 and contact the inwall of described motor protector 13, and described outer baffle plate 12 needn't be set.
In other embodiments, described fixed support 5 can be set directly on described slide block 7.
In other embodiments, the described debugging guide plate 1 of above-mentioned adjustment method can change the guide plate of described motor protector 13 into, can realize equally object of the present invention.
In other embodiments, in the described step I of above-mentioned adjustment method, the preparation method of described stroke value X can be that the technical manual by consulting respective model motor protector obtains.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And the apparent variation of being extended out thus or variation are still among protection scope of the present invention.
Claims (12)
1. a motor protector dropout action consistency adjustment method, is characterized in that: comprise the steps:
1. adjust adjusting head angle: adjust the adjusting head (1305) of the auxiliary bimetal leaf (1304) of whole motor protectors (13) of the same type, make described in each adjusting head (1305) and described auxiliary bimetal leaf (1304) in equal angular;
2. adjust guide plate displacement:
I. obtain the not debugging guide plate (1) of the front described motor protector (13) of debugging the stroke value X threading off occurs under the main bimetal leaf (1301,1302,1303) of described motor protector (13) drives;
II. drive the described main bimetal leaf (1301 of described debugging guide plate (1) towards described motor protector (13), 1302,1303) deformation direction moves, to described debugging guide plate (1) contact and stir described adjusting head (1305) trigger described motor protector (13) thread off till;
III. drive the reverse mobile X distance of described debugging guide plate (1);
IV. observe the tactile foot laminating of main bimetal leaf (1301,1302,1303) and corresponding described debugging guide plate (1) described in each whether completely, if fitted completely, execution step is 3.; If not laminating completely, the shape of adjusting described main bimetal leaf (1301,1302,1303) makes main bimetal leaf (1301,1302,1303) described in each fit completely with corresponding described tactile foot;
3. so far the debugging work of described motor protector (13) is complete;
4. debug by that analogy, other described motor protector (13).
2. adjustment method according to claim 1; it is characterized in that: in described step I; the preparation method of described stroke value X is: the guide plate shift value of at least three described motor protectors of sampling measurement (13), and be averaging acquisition guide plate stroke value X.
3. adjustment method according to claim 1 and 2, it is characterized in that: in described step IV, if larger with corresponding described tactile sufficient distance through observing described main bimetal leaf (1301,1302,1303), only adjust described main bimetal leaf (1301,1302,1303) shape is not enough so that described main bimetal leaf (1301,1302,1303) with the situation of corresponding described tactile foot laminating under, first adjust described tactile sufficient length.
4. the motor protector dropout action consistency debugging apparatus that the arbitrary described adjustment method of claim 1-3 adopts, is characterized in that: comprise
Fixed mechanism, for fixing described motor protector (13);
Debugging guide plate (1), be arranged on a side of described fixed mechanism, have be suitable for stirring fixing after described motor protector (13) described adjusting head (1305) auxiliary bimetal leaf (1304) so that trigger contact (101) that described motor protector (13) threads off and at least one is suitable for and the main bimetal leaf (1301 of fixing rear described motor protector (13), 1302,1303) the tactile foot of contact;
Governor motion, for back and forth regulating the position of described debugging guide plate (1) and read described debugging guide plate (1) position along described main bimetal leaf deformation direction.
5. debugging apparatus according to claim 4; it is characterized in that: also comprise slide mechanism; described slide mechanism is arranged on the below of described governor motion; drive described governor motion along described main bimetal leaf (1301; 1302,1303) deformation direction reciprocating motion is so that described debugging guide plate (1) is abdicated the dismounting space of described motor protector (13).
6. debugging apparatus according to claim 5, it is characterized in that: described governor motion comprises thimble (2) and readable spiral pushing mechanism (3), one end of described thimble (2) is connected with described readable spiral pushing mechanism (3) and is driven by described readable spiral pushing mechanism (3), and the other end is connected with described debugging guide plate (1).
7. debugging apparatus according to claim 6, is characterized in that: the other end of described thimble (2) has crotch, draw-in groove (105) engagement connection on described crotch and described debugging guide plate (1).
8. according to the arbitrary described debugging apparatus of claim 5-7, it is characterized in that: described fixed mechanism comprises right baffle-plate (9) and the right baffle plate (11) of clamping described motor protector; Described debugging guide plate (1) is arranged at the side near described right baffle plate (11).
9. debugging apparatus according to claim 8, is characterized in that: the inwall that described right baffle plate (11) contacts described motor protector (13) is provided with elastomeric pad (1201).
10. debugging apparatus according to claim 9; it is characterized in that: the position that the back side of described debugging guide plate (1) contacts with described motor protector (13) has sliding pin (106); correspondingly; on described motor protector (13), be provided with the guide groove mating with described sliding pin (106), described sliding pin (106) reciprocatingly slides along described guide groove.
11. debugging apparatus according to claim 10, is characterized in that: described debugging guide plate (1) has at least two described tactile foots.
12. debugging apparatus according to claim 11, it is characterized in that: between described thimble (2) and described readable spiral pushing mechanism (3) by being nature and can be along described main bimetal leaf (1301,1302,1303) the flexible flexible member of deformation direction connects.
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|---|---|---|---|---|
| CN1166684A (en) * | 1996-03-20 | 1997-12-03 | 施耐德电器公司 | Differential thermal tripping device with bimetallic |
| CN1423293A (en) * | 2001-12-03 | 2003-06-11 | 浙江正泰电器股份有限公司 | Automatic measurement apparatus of bimetal position of overload release for motor starter |
| EP2023367A2 (en) * | 2007-08-07 | 2009-02-11 | LS Industrial Systems Co., Ltd | Method for adjusting trip sensitivity of thermal overload protection apparatus |
| CN101807496A (en) * | 2009-02-16 | 2010-08-18 | 三菱电机株式会社 | Thermal type tripping device and circuit breaker using the same |
| CN102169781A (en) * | 2010-02-25 | 2011-08-31 | 三菱电机株式会社 | Circuit breaker |
| CN202871713U (en) * | 2012-11-13 | 2013-04-10 | 德力西电气有限公司 | Tripping operation consistency debugging device for motor protector |
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2012
- 2012-11-13 CN CN201210452997.5A patent/CN102969206B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1166684A (en) * | 1996-03-20 | 1997-12-03 | 施耐德电器公司 | Differential thermal tripping device with bimetallic |
| CN1423293A (en) * | 2001-12-03 | 2003-06-11 | 浙江正泰电器股份有限公司 | Automatic measurement apparatus of bimetal position of overload release for motor starter |
| EP2023367A2 (en) * | 2007-08-07 | 2009-02-11 | LS Industrial Systems Co., Ltd | Method for adjusting trip sensitivity of thermal overload protection apparatus |
| CN101807496A (en) * | 2009-02-16 | 2010-08-18 | 三菱电机株式会社 | Thermal type tripping device and circuit breaker using the same |
| CN102169781A (en) * | 2010-02-25 | 2011-08-31 | 三菱电机株式会社 | Circuit breaker |
| CN202871713U (en) * | 2012-11-13 | 2013-04-10 | 德力西电气有限公司 | Tripping operation consistency debugging device for motor protector |
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