CN102136398A - Contactor - Google Patents
Contactor Download PDFInfo
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- CN102136398A CN102136398A CN2010100009421A CN201010000942A CN102136398A CN 102136398 A CN102136398 A CN 102136398A CN 2010100009421 A CN2010100009421 A CN 2010100009421A CN 201010000942 A CN201010000942 A CN 201010000942A CN 102136398 A CN102136398 A CN 102136398A
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- moving contact
- contactor
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Abstract
The invention provides a contactor. The contactor comprises a shell, fixed contacts (202), moving contacts (204), at least two moving contact finger parts (206) conductively connected with the moving contacts, a U-shaped magnetic circuit (208) encircling the moving contact finger parts and a plate-shaped magnetic circuit (210) which is opposite to the opening of the U-shaped magnetic circuit and is separated from the opening by an air gap, wherein the moving contacts are arranged at the two ends of the moving contact finger parts; the fixed contacts are arranged opposite to the moving contacts; and the at least two moving contact finger parts are basically arranged together in parallel and insulated with each other. The contactor conforms to the class 2 standard of IEC (international electrotechnical commission) 60947-4 and can not be subjected to contact welding in the test run process of the prospective current.
Description
Technical field
The present invention relates to contactor, particularly be used in the big contactor in the soft starter.
Background technology
In the soft initiator product, after motor vehicle starts fully, generally use special-purpose contactor to come bypass rectifying device (controllable silicon).The bypass rectifying device can avoid electric power form with heat energy in the rectifier chip to dissipate.Described contactor is starting or (braking) process of deceleration breaks (opening operation), makes rectifier unit controller motor-car, and in the normal stable operation after controllable silicon triggers fully, described contactor closure (making operation).
Contactor at present commonly used comprises one pole post contactor, with the DC coil (for example, Ghisalba) or the AC coil magnetic circuit operate single moving contact (for example, Simens); And multipole post contactor, the parallel connection in its contact forms single pole (for example, Rockwell).
Adopt the U-shaped magnetic circuit to cooperate, can avoid moving contact to break in the short circuit process with plate shape magnetic circuit.This moving contact disconnection is because the repulsive force that electric current produced that flows through in the contact area of contact causes.U-shaped fixedly magnetic circuit surrounds moving contact, moving contact is closed under the effect of initial contact force, make to be attracted by magnetic flux, therefore fixedly producing attraction between magnetic circuit and the mobile magnetic circuit, strengthened moving contact and be applied to initial contact force on the fixed contact with the fixing movable plate shape magnetic circuit of moving contact.
Though the contactor that uses can be realized bypass functionality basically at present, still has improved space.A kind of demand for this contactor provides " 2 class " product that can meet IEC 60947-4 standard, in other words, can not occur the main contacts welding when moving under prospective current.
Summary of the invention
The objective of the invention is to solve problem recited above, " 2 class " contactor of a kind of IEC of meeting 60947-4 is provided.
For this reason, one aspect of the present invention proposes a kind of contactor, comprise housing, fixed contact, moving contact, refer to part, surround U-shaped magnetic circuit that moving contact refers to part with moving contact that the moving contact conduction connects, relative with this U-shaped magnetic circuit opening and separate the plate shape magnetic circuit of an air gap, described moving contact is arranged on moving contact and refers to the part two ends, fixed contact and moving contact are oppositely arranged, wherein said moving contact refers to that part is at least two, is arranged together substantially parallelly, and is insulated from each other.
As a further improvement on the present invention, described contactor also comprises balanced controls, described balanced controls act on described plate shape magnetic circuit and described moving contact refers between the part, described plate shape magnetic circuit is acted on described moving contact by these balanced controls refer to that power on the part is evenly distributed on each moving contact and refers on the part.
Described balanced controls comprise connecting plate, balance plate and pivotal axis, connecting plate is parallel to plate shape magnetic circuit and extends, balance plate is connected with connecting plate by pivotal axis, so that balance plate can pivot with respect to connecting plate around pivotal axis, balance plate refers to part across two adjacent moving contacts, and the balance plate two ends refer to that with these two moving contacts the part insulation contacts respectively.
As a further improvement on the present invention, described housing comprises the upper component that holds plate shape magnetic circuit, holds the middle part member of balanced controls and holds the lower member that moving contact refers to part.
Described upper component is a flute profile, the thickness and the width of the degree of depth and width adequate plate shape magnetic circuit, and and there is the gap between the plate shape magnetic circuit, described upper component top is provided with to the inner flange that extends of flute profile, described upper component bottom center is provided with opening, so that the connecting plate of balanced controls is protruding upward from this opening.
The middle part member comprises left side plate, and left side plate extends downward vertically from upper component bottom, and opening is set on the left side plate so that the pivotal axis two ends of balanced controls can horizontal stand in opening.
Lower member comprises front and rear panel, front and rear panel is parallel to the plane extension that moving contact refers to part downwards from the end, front and back of middle part member, the hole is set on the front and rear panel, is used to support the back shaft two ends that moving contact refers to part and inserts respectively in the described hole, moving contact is referred to that part is suspended in the lower member.
As a further improvement on the present invention, described middle part member is arranged in the upper component, the left side plate of middle part member is vertical extent upwards from upper component bottom, is provided with inside horizontally extending flange at left side plate, and the connecting plate of balanced controls is from protruding upward between the flange.
As a further improvement on the present invention, lower member is extended downwards from the upper component bottom, shape adapts to the shape that moving contact refers to part, lower member comprises left side plate, the left side plate of lower member is horizontally disposed with the left and right sides flange that extends internally bottom, the described left and right sides flange and the moving contact of lower member refers to that the correspondingly-shaped at part two ends matches, and moving contact is referred to that part is supported on the lower member.
As a further improvement on the present invention, described U-shaped magnetic circuit and plate shape magnetic circuit are the iron plate of layering.
As a further improvement on the present invention, be arranged on moving contact refer to the part two ends moving contact one of them be divided into two equal parts, part moving contact refers to that part extends along a direction, and another part moving contact refers to that part extends along opposite direction, and this two parts moving contact refers to that the number of packages order equates.
As a further improvement on the present invention, described moving contact refers to be provided with between the part division board of insulation.
As a further improvement on the present invention, described division board is made with plastics.
As a further improvement on the present invention, described division board forms the part of housing.
As preferred version of the present invention, described moving contact refers to that part is 4.
Contactor of the present invention meets IEC 60947-4's " 2 class " standard, and the contact welding can not take place in the test run process of prospective current " r " and " Iq ".And since during short circuit the repulsive force between the contact significantly reduce, make repulsive force to be overcome easily by magnetic field force.According to improvement project of the present invention, refer to that at moving contact part occurs highly not simultaneously because of contact wear is different, balanced controls can adapt to the difference in height that moving contact refers to part, magnetic field force is evenly distributed on each moving contact refers on the part.
The housing that meets the present invention design can be given each moving contact and refer to the part freedom of motion so that moving contact can contact fixed contact, no matter and whether fixed contact and moving contact wearing and tearing occur, perhaps plate shape magnetic circuit is the magnetic circuit of Any shape.This housing can be so that the whole gaps between the associated components keep minimum, and make and the decreased number of parts help the general assembly (for example, being used for the product subpackage) of one pole post moving contact group.
Other features of the present invention and advantage can embody from the embodiments of the present invention below in conjunction with description of drawings.
Description of drawings
Fig. 1 is the front view of a kind of execution mode of contactor of the present invention;
Fig. 2 is the end view of contactor shown in Figure 1;
Fig. 3 is a kind of front view of execution mode of the housing of contactor of the present invention;
Fig. 4 is the end view of housing shown in Figure 3;
Fig. 5 is the front view of another kind of execution mode of the housing of contactor of the present invention;
Fig. 6 is the end view of housing shown in Figure 5.
Embodiment
Following with reference to accompanying drawing, specify embodiments of the present invention.
Fig. 1 is the front view of a kind of execution mode of contactor of the present invention.Described contactor comprises housing 200 (not shown in Fig. 1), fixed contact 202, moving contact 204, the moving contact that is connected with the moving contact conduction refers to part 206, surround the U-shaped magnetic circuit 208 that moving contact refers to part, relative with this U-shaped magnetic circuit opening and separate the plate shape magnetic circuit 210 of an air gap.Moving contact refers to that part 206 passes the symmetrical plane extension of U-shaped magnetic circuit along the U-shaped magnetic circuit.Moving contact 204 is arranged on moving contact and refers to below, part 206 two ends.Fixed contact 202 is oppositely arranged with moving contact 204.
Fig. 2 is the end view of contactor.As can be seen from Figure 2, moving contact refers to that part 206 has 4, and each moving contact refers to that below, part 206 two ends is provided with moving contact 204.The number that it should be noted that moving contact is not limited in 4, but can select according to the concrete application scenario of contactor, can be 3,4,5,6 or 8 or the like.Moving contact refers to part 206 parallel to each other being arranged side by side, and is supported on the back shaft 216 by being arranged on the hole 220 that moving contact refers to part 206 approximate mid-section.Adjacent two moving contacts refer to be provided with between the part 206 division board 218 of insulation.The material of division board 218 can be selected as required, is preferably plastic plate.The diameter in hole 220 makes moving contact refer to that part 206 when the power that is subjected to upwards, can upwards move freely greater than the diameter of back shaft 216.
Plate shape magnetic circuit 210 and moving contact refer between the part 206 driver plate to be set, and when moving contact 204 was subjected to initial contact force, plate shape magnetic circuit 210 can compress moving contact by driver plate and refer to part 206, keep moving contact 204 to contact with fixed contact 202.This driver plate also can form with plate shape magnetic circuit 210 integral body, for example forms the projection at plate shape magnetic circuit 210 middle parts.
Adopt the contactor of above-mentioned design, can prevent that current collector from opening in the short circuit process.This moving contact disconnection is because the repulsive force that electric current produced that flows through in the contact area of contact causes.The repulsive force that the contact of contactor produces when contact can calculate according to the Holm equation:
F＝10
-7I
2ln(R/r) (1)
Wherein R is the radius of cylindrical conductor, and r is the radius of contact area, and I is the electric current that flows through between the contact, and F is the repulsive force between the contact, and the contact area radius r depends on contact force and material hardness.Because the number and the size thereof of contact area are difficult to accurately know, so above-mentioned equation is difficult to practical application.Usually use following empirical equation to come the approximate calculation repulsive force in the practice:
F≈K*10
-8I
2 (2)
Wherein K is a constant, depends on terminal geometry in contact and slider material.
Suppose that moving contact refers to that part 206 has only one, when the electric current that flows through the contact was I, the repulsive force that produces between the contact was F.In the present embodiment because moving contact refers to that part is 4, then flow through the electric current I of each contact '=I/4, at this moment according to equation (2), the repulsive force that produces between the contact:
F′＝4*K*(I/4)
2＝F/4。
When contact short, because the repulsive force between the contact significantly reduces, the magnetic field force that therefore can easy passive contact finger spare 206 produces overcomes, and has avoided contact short to cause the contact to weld together.
In actual use, moving contact 204 and/or fixed contact 202 may wear and tear gradually.In this case, in order to keep the contact between moving contact and the fixed contact effectively, and the power that keeps magnetic field to produce is evenly distributed on each moving contact and refers on the part 206, as a further improvement on the present invention, comprised balanced controls 240 in contactor.The power that magnetic field is produced by balanced controls 240 is evenly distributed on each moving contact and refers on the part 206.
A kind of execution mode of balanced controls has been shown among Fig. 2.Described balanced controls comprise balance plate 212, connecting plate 222 and pivotal axis 224, wherein connecting plate 222 is parallel to 210 extensions of plate shape magnetic circuit, the middle part is provided with projection so that contact with plate shape magnetic circuit 210, the balance plate middle part is provided with through hole 226, and connecting plate 222 two ends are symmetrical arranged through hole 228, and pivotal axis 224 penetrates through hole 226 and 228, balance plate 212 balance plate 212 is connected to connecting plate 222, so that can rotate around pivotal axis 224.Under situation shown in Figure 2, balance plate 212 has 4, is symmetrically distributed in connecting plate 222 both sides, keeping balance, and guarantees that power that template magnetic circuit 210 applies is evenly distributed on each moving contact and refers on the part 206.Each balance plate 212 refers to part 206 across two adjacent moving contacts, and balance plate 212 two ends refer to that with these two moving contacts part 216 insulation contact respectively.When plate shape magnetic circuit 210 was subjected to initial contact force, plate shape magnetic circuit 210 pressed connecting plate 222, and initial contact force is delivered to each moving contact via plate shape magnetic circuit 210, connecting plate 222 and balance plate 212 and refers to part 206.At moving contact 204 and/or fixed contact 202 wearing and tearing take place and when causing moving contact to refer to that Light Difference appears in the height of part 206, balance plate 212 can center on pivotal axis 224 corresponding rotations, to adapt to the difference in height that moving contact refers to part 206.It is pointed out that the situation when Fig. 2 shows moving contact and refers to that part 206 is 4, but the present invention is not limited to this, balanced controls are equally applicable to moving contact and refer to that part 206 is the situation of other numbers.For example, when moving contact refers to that part 206 is 3, only need allow the end of two balance plate inboards all be resisted against moving contact placed in the middle and refer to get final product on the part 206.Even so, in order to keep balance and to be convenient to use the solution of the present invention, preferred moving contact refers to that the number of part 206 is an even number, more preferably 4 or 8.Those skilled in the art can repeat the structure of balanced controls according to foregoing and Fig. 2, and the quantity of corresponding increase balance plate, to realize identical functions.For example, when moving contact refers to that part 206 is 8, balance plate 212 is increased to 8, pivotal axis 224 quantity be 4, be similar to parallel as shown in Figure 2 being arranged side by side, allow balance plate can realize structure shown in Figure 2 similarly, the power that template magnetic circuit 210 is applied is evenly distributed on 8 moving contacts and refers on the part 206.
Fig. 3 is a kind of front view of execution mode that is used for the housing 300 of contactor of the present invention, wherein shows the moving contact 204, the moving contacts that are included in the housing 300 and refers to part 206, balanced controls 240 and plate shape magnetic circuit 210.Fig. 4 is the end view of this housing 300.
As shown in Figure 3, upper component 310 is a channel member, and its longitudinal extension direction refers to the bearing of trend of part 206, the width of flute profile width adequate plate type member 216 perpendicular to moving contact.The degree of depth of this upper component 310 adapts to the thickness of plate shape magnetic circuit 210, and and plate shape magnetic circuit 210 between have suitable gap.Upper component 310 tops are provided with to the inner flange 312 that extends of flute profile, prevent that plate shape magnetic circuit 210 from deviating from from the top.Upper component 310 bottom center are provided with opening, so that the connecting plate 222 of balanced controls is therefrom protruding upward, are convenient to be pressed by plate shape magnetic circuit 210 in operation.
Middle part member 320 comprises left side plate 322 and 324. Left side plate 322 and 324 extends downward vertically from upper component 310 bottoms, and the length of extension adapts to the height of balanced controls 240.After balanced controls are packed middle part member 320 into, make connecting plate 222 can be from the central opening of upper component 310 bottoms outstanding and left side plate 322 and 324 and moving contact refer to have certain clearance between the part 206.As can be seen from Figure 4, the width of left side plate 322 and 324 width adequate balanced controls guarantees that the operation of balanced controls 240 in middle part member 320 do not interfered.As can be seen from Figure 4, on the left side plate 322 and 324 opening is set so that pivotal axis 224 two ends of balanced controls can support in opening.Simultaneously, such setting has also alleviated the overall weight of housing 300.
Described housing 300 can be accommodated whole moving contact assemblies 206, described balanced controls 240 and described plate shape magnetic circuit 210, thereby can give each moving contact and refer to part 206 freedoms of motion, so that when wearing and tearing or plate shape magnetic circuit 210 shapes take place and change in moving contact and/or fixed contact, each moving contact refers to that part 206 can move along vertical direction independently of one another under the effect of balance plate 212, allow each moving contact 204 can both contact fixed contact 202.Described housing 300 is kept to minimum with total body space that each parts caused, and has reduced part count, helps the general assembly (for example, being used for product is carried out subpackage) of one pole post moving contact group.
Fig. 5 and 6 makes further improved plan to housing of the present invention.Fig. 5 is the front view of another kind of housing 500, shows housing 500 and comprises plate shape magnetic circuit 210, and balanced controls 240 and moving contact refer to part 206.Fig. 6 is the end view of this housing 500.
Housing 500 comprises the upper component 510 that is used to hold plate shape magnetic circuit 210, is used to comprise the middle part member 520 of balanced controls and is used to comprise the lower member 530 that moving contact refers to part 206.Different with housing shown in Figure 3 300 is, middle part member 520 is arranged in the upper component 510, and lower member 530 relies on moving contact and refers to that the form fit of part 206 keeps moving contact to refer to part 206.Specifically, the left side plate 522 of middle part member 520 and 524 vertical extent that makes progress from upper component 510 bottoms.Be provided with inside horizontally extending flange 526 at left side plate 522 and 524 tops, the connecting plate 222 of balanced controls projects upwards between flange 526.Plate shape magnetic circuit 210 supports press connecting plate 222 on flange 526.As shown in Figure 5, lower member 530 comprises left side plate 532 and 534.Lower member 530 is extended downwards from upper component 510 bottoms, and shape adapts to the shape that moving contact refers to part 206.Left side plate 532 and 534 is horizontally disposed with the left and right sides flange 536 and 538 that extends internally bottom.Described left and right sides flange 536 and 538 refers to that with moving contact the correspondingly-shaped at two ends, part 206 bottom matches, moving contact is referred to that part 206 is supported on the lower member 530, and lower member 530 and moving contact refer to have the gap between the part 206, allow moving contact assembly 206 to move up and down.In this case, moving contact refers to that part does not need to utilize back shaft to be supported in the lower member, is resisted against on flange 536 and 538 but moving contact refers to part 206.Left side plate 532 and 534 can cut out opening, with the weight that alleviates housing 500 and save manufacturing cost.
Contactor of the present invention can be used in one pole post, bipolar post, three poles or the four pole contactors, as long as one pole post moving contact structure is repeated 2,3,4 times, the pole number required with correspondence gets final product.
In a kind of deformation program of the present invention, described U-shaped magnetic circuit and plate shape magnetic circuit may be embodied as the iron plate of layering, but not solid parts.Can reduce the loss that the eddy current in these parts produces like this.
Refer in a kind of deformation program of part that at moving contact one of them can be divided into two equal parts two moving contacts, thereby the electric current that will flow through the contact is divided into equal two parts, will reduce half owing to the repulsive force that constraint produces.In this case, the moving contact that is arranged in the housing refers to that part should be provided with like this: a part of moving contact refers to that part extends along a direction, and another part moving contact refers to that part extends along opposite direction, and this two parts moving contact refers to that the number of packages order equates, is created in making a concerted effort on the balance plate with balance.
In order to refer to realize insulation between the part at moving contact, division board is installed and is positioned at moving contact and refers between the part.Described division board is made with plastic material, and good coefficient of friction is provided, so that balance is applied to the whole power on the moving contact.Described division board can also be used to guaranteeing that moving contact refers to realize between the part good being arranged in parallel.
In a kind of deformation program, described division board also can be the part of housing itself, and in this case, the material and the moving contact that are used for molded shell refer to should have good coefficient of friction between the part.
It should be noted that scope of the present invention is not limited in above-mentioned disclosed execution mode, but limit by claims.And the feature of describing in above-mentioned arbitrary execution mode all can suitably be used for other execution modes.Above-mentioned execution mode also can constitute other execution mode in combination with one another, to satisfy the demand of certain applications.This specification has been mentioned some parts in the contactor, does not also include the parts of realizing other functions in the contactor but do not get rid of.Those skilled in the art in conjunction with the state of the art, can be equipped with other suitable parts for contactor, to construct complete contactor according to instruction of the present invention.
Claims (15)
1. contactor, comprise housing, fixed contact (202), moving contact (204), refer to part (206), surround U-shaped magnetic circuit (208) that moving contact refers to part (206) with moving contact that the moving contact conduction connects, relative with this U-shaped magnetic circuit opening and separate the plate shape magnetic circuit (210) of an air gap, described moving contact is arranged on moving contact and refers to the part two ends, fixed contact and moving contact are oppositely arranged, wherein said moving contact refers to that part is at least two, be arranged together substantially parallelly, insulated from each other.
2. contactor as claimed in claim 1, it is characterized in that, also comprise balanced controls (240), described balanced controls (240) act on described plate shape magnetic circuit (210) and described moving contact refers between the part (206), described plate shape magnetic circuit (206) is acted on described moving contact by these balanced controls (240) refer to that power on the part (206) is evenly distributed on each moving contact and refers on the part (206).
3. contactor as claimed in claim 2, it is characterized in that, described balanced controls (240) comprise connecting plate (222), balance plate (212) and pivotal axis (224), connecting plate (222) is parallel to plate shape magnetic circuit (210) and extends, balance plate (212) is connected with connecting plate (222) by pivotal axis (224), so that can centering on pivotal axis (224), balance plate pivots with respect to connecting plate, balance plate (212) refers to part (206) across two adjacent moving contacts, and balance plate (212) two ends refer to that with these two moving contacts part (216) insulation contacts respectively.
4. as claim 2 or 3 described contactors, it is characterized in that, described housing (300) comprises the upper component (310) that holds plate shape magnetic circuit (210), holds the middle part member (320) of balanced controls and holds the lower member (330) that moving contact refers to part (206).
5. contactor as claimed in claim 4, it is characterized in that, described upper component (310) is a flute profile, the thickness and the width of the degree of depth and width adequate plate shape magnetic circuit (210), and and there is the gap between the plate shape magnetic circuit (210), described upper component top is provided with to the inner flange (312) that extends of flute profile, and described upper component (310) bottom center is provided with opening, so that the connecting plate of balanced controls (222) is protruding upward from this opening.
6. contactor as claimed in claim 4, it is characterized in that, middle part member (320) comprises left side plate (322,324), left side plate (322,324) extends downward vertically from upper component (310) bottom, left side plate is provided with opening on (322,324) so that pivotal axis (224) two ends of balanced controls (240) flatly support in opening.
7. contactor as claimed in claim 4, it is characterized in that, lower member (330) comprises front and rear panel (332,334), front and rear panel (332,334) is parallel to the plane extension that moving contact refers to part (206) downwards from the end, front and back of middle part member (320), hole (336,338) is set on the front and rear panel (332,334), be used to support back shaft (216) two ends that moving contact refers to part (206) and insert respectively in the described hole (336,338), moving contact is referred to that part (206) is suspended in the lower member (330).
8. contactor as claimed in claim 4, it is characterized in that, middle part member (520) is arranged in the upper component (510), the left side plate (522,524) of middle part member (520) is vertical extent upwards from upper component (510) bottom, be provided with inside horizontally extending flange (526) on left side plate (522,524) top, the connecting plate of balanced controls (222) is from protruding upward between the flange (526).
9. contactor as claimed in claim 4, it is characterized in that, lower member (530) is extended downwards from upper component (510) bottom, shape adapts to the shape that moving contact refers to part (206), lower member (530) comprises left side plate (532,534), the left side plate of lower member (530) (532,534) is horizontally disposed with the left and right sides flange (536,538) that extends internally bottom, the described left and right sides flange (536,538) and the moving contact of lower member refers to that the correspondingly-shaped at part (206) two ends matches, and moving contact is referred to that part (206) is supported on the lower member (530).
10. contactor as claimed in claim 1 is characterized in that, described U-shaped magnetic circuit and plate shape magnetic circuit are the iron plate of layering.
11. contactor as claimed in claim 1, it is characterized in that, be arranged on moving contact refer to the part two ends moving contact one of them be divided into two equal parts, part moving contact refers to that part extends along a direction, and another part moving contact refers to that part extends along opposite direction, and this two parts moving contact refers to that the number of packages order equates.
12. contactor as claimed in claim 1 is characterized in that, described moving contact refers to be provided with between the part division board of insulation.
13. contactor as claimed in claim 12 is characterized in that, described division board is made with plastics.
14. contactor as claimed in claim 1 is characterized in that, described division board forms the part of housing.
15. contactor as claimed in claim 1 is characterized in that, described moving contact refers to that part (206) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000942.1A CN102136398B (en) | 2010-01-21 | 2010-01-21 | Contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000942.1A CN102136398B (en) | 2010-01-21 | 2010-01-21 | Contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102136398A true CN102136398A (en) | 2011-07-27 |
| CN102136398B CN102136398B (en) | 2014-08-13 |
Family
ID=44296146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010000942.1A Active CN102136398B (en) | 2010-01-21 | 2010-01-21 | Contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102136398B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077051A (en) * | 1992-03-31 | 1993-10-06 | 梅兰日兰公司 | The operating mechanism that is used for the band swing arm of a phase line and neutral circuit circuit breaker |
| US5369872A (en) * | 1992-12-23 | 1994-12-06 | Hella Kg Hueck & Co. | Process for the adjustment of various components of a relay |
| CN1144392A (en) * | 1995-06-30 | 1997-03-05 | 科宝电子株式会社 | Electromagnetic relay |
| JP2006164812A (en) * | 2004-12-09 | 2006-06-22 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic contactor |
-
2010
- 2010-01-21 CN CN201010000942.1A patent/CN102136398B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077051A (en) * | 1992-03-31 | 1993-10-06 | 梅兰日兰公司 | The operating mechanism that is used for the band swing arm of a phase line and neutral circuit circuit breaker |
| US5369872A (en) * | 1992-12-23 | 1994-12-06 | Hella Kg Hueck & Co. | Process for the adjustment of various components of a relay |
| CN1144392A (en) * | 1995-06-30 | 1997-03-05 | 科宝电子株式会社 | Electromagnetic relay |
| JP2006164812A (en) * | 2004-12-09 | 2006-06-22 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic contactor |
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| Publication number | Publication date |
|---|---|
| CN102136398B (en) | 2014-08-13 |
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