CN201084653Y - A permanent magnetic contactor - Google Patents
A permanent magnetic contactor Download PDFInfo
- Publication number
- CN201084653Y CN201084653Y CNU2007200465201U CN200720046520U CN201084653Y CN 201084653 Y CN201084653 Y CN 201084653Y CN U2007200465201 U CNU2007200465201 U CN U2007200465201U CN 200720046520 U CN200720046520 U CN 200720046520U CN 201084653 Y CN201084653 Y CN 201084653Y
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- iron core
- determination
- unshakable
- vertical axis
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Abstract
The utility model relates to a permanent magnet type contactor, comprising a first moving iron core (5), a second moving iron core (11), a static iron core (7) and a coil (8), wherein, the first moving iron core (5) in integrated with a first vertical shaft (2); the second moving iron core (11), a second vertical shaft (3) and a button (1) are integrated as a unit. When in normal operation, the coil (8) is energized with forward or inverse pulse current when the control circuit needs switching on and switching off, the first moving iron core (5) moves vertically, while the second moving iron core (11) keeps still. When the coil (8) is switched on and absorbed, due to the closed magnetic circuit, the button (1) does not act when pressed with hands. When the coil (8) is switched off, the button (1) is linked with the first vertical shaft (2), the second vertical shaft (3), the first moving iron core (5) and the second moving iron core (11) when pressing the button (1) with hands; when the button is released, the first moving iron core (5) is reset to the original position under the action of a spring (6), while the second moving iron core (11) is reset to the original position under the action of a spring (9).
Description
Technical field
The utility model is a permanent magnetism type contactor, is used for the breaking-closing operating of contactor, belongs to the technical field that contactor is made.
Background technology
Permanent magnetism type contactor has that noise is little, and it is little influenced by voltage ripple of power network, has the Remarkable Energy Saving characteristics especially.
The typical structure of existing permanent magnetism type contactor operation device is: permanent magnet, moving iron core, fixed core and coil, permanent magnet places among moving iron core or the fixed core, utilize the pulse current in the coil in iron core, to produce the electromagnetic field identical and opposite, realize moving combined floodgate and separating brake unshakable in one's determination with magnetic field of permanent magnet.In the patent of having announced, on the one hand owing to adopt the suction of permanent magnetic material to keep attracting state, when lost efficacy in the control unit loop, in the time of promptly can not the automatic electric separating brake, can not press outer button by operating personnel and realize separating brake, while can not automatic brake separating after artificial the combined floodgate under non-power status.
The patent No. is 91111785.7 patent " polarized rare-earth permanent-magnet contactor and pulsed operation standard electrical apparatus control system thereof ", though have general characteristics such as the permanent magnetism type contactor energy consumption is low, noise is low, but, can't reach the purpose of separating brake by additive method after if control circuit lost efficacy.The patent No. is 200610104936 patent " a kind of permanent magnet mechanism contactor with parallel circuits ", this kind scheme provides a kind of useful reference and reference role for the design and development of permanent magnet contactor, adopt the parallel circuits structure to realize purpose of energy saving, the duration of work coil passes to suitable electric current and keeps attracting state.
Existing permanent magnetism type contactor has following shortcoming: under the cold situation of control coil, manually press moving iron core, contactor disjunction automatically comes; Come though perhaps manually press moving disjunction automatically unshakable in one's determination, the energy-saving effect of permanent magnet is not brought into play fully.The present invention is intended to the problems referred to above are solved.
Summary of the invention
Technical problem: the utility model purpose is to overcome the shortcoming of prior art, new permanent magnet contactor is provided, by changing existing permanent magnetism contactor operation mechanism, adopt two moving forms unshakable in one's determination, make permanent magnet contactor possess the repertoire and the existing permanent magnetism contactor operation mechanism energy-saving effect of electromagnetic contactor operating mechanism simultaneously.
Technical scheme: permanent magnetism type contactor of the present utility model is by button, first vertical axis, and second vertical axis, support, first is moving unshakable in one's determination, first groups of springs, fixed core, coil, second groups of springs, permanent magnet, second moving unshakable in one's determination the composition; In support, the first moving iron core and first vertical axis are an integral body, second moving unshakable in one's determination and second vertical axis is an integral body, and permanent magnet places the centre of the first moving bottom unshakable in one's determination, and second vertical axis is arranged in first vertical axis and passes first moving unshakable in one's determination, the permanent magnet and second and move iron core and be connected; At the fixed core internal fixation coil is arranged, be provided with second groups of springs at the second moving downside unshakable in one's determination, be provided with first groups of springs at the first moving downside unshakable in one's determination, button is positioned at the top of first vertical axis and second vertical axis.
First kind of scheme is: fixed core, the first moving iron core and the second moving iron core are made into for permeability magnetic material, and first vertical axis, second vertical axis, support are that non-magnet material is made into.
Second kind of scheme is: permanent magnet places on the second moving iron core, and fixed core is fixed in the support; Fixed core, the first moving iron core, the second moving iron core and second vertical axis are that permeability magnetic material is made into, and support is that non-magnet material is made into.
Fixed core is fixed on the support, and coil stationary is on fixed core; The first moving iron core is connected with first vertical axis, and first groups of springs is used to provide the first moving counter-force unshakable in one's determination; The second moving iron core is connected with second vertical axis and button, and second groups of springs is used to provide the second moving counter-force unshakable in one's determination;
Described first vertical axis is a hollow, and second vertical axis is passed; When pressing button, the first moving iron core, first vertical axis, second moving unshakable in one's determination and second vertical axis interlock.Wherein first vertical axis is connected with contact system, is the critical piece of carrying out coil control breaking-closing operating, and second moving unshakable in one's determination being connected with second vertical axis and button was the critical piece of carrying out the hand push button sub-switching operation.
The course of work is:
When contactor is in gate-dividing state, the second moving iron core and permanent magnet and fixed core are in attracting state, this moment, permanent magnet reached attracting state to the counter-force that the first moving unshakable in one's determination suction that produces is not enough to overcome first groups of springs, and the contactor system is under the stable state of separating brake.When pressing the button that links to each other with the second moving iron core, second vertical axis that links to each other with button and the second moving iron core that links to each other with this move down, the permanent magnet that is placed on the second moving iron core also can move down synchronously, this button can impel first vertical axis and move down with the first moving iron core simultaneously, under this state, the suction that permanent magnet produces is not enough to overcome the counter-force of first groups of springs and contactor is remained under the attracting state, so after decontroling button, the first moving iron core can be to rising under the counter-force effect of first groups of springs, the second moving iron core also can finally be got back to initial gate-dividing state to rising under the counter-force effect of second groups of springs simultaneously.When contactor is in "on" position following time, the suction that permanent magnet produces remains on the first moving iron core and fixed core under the attracting state, reaching permanent magnetism type contactor need not just can remain on purpose under the attracting state to coil electricity, when pressing the button, second vertical axis that links to each other with button and the second moving iron core move down, and drive permanent magnet and move down, and decontrol button and will produce foregoing motion process, reach and manually press button and make the purpose of permanent magnetism type contactor separating brake
Beneficial effect: when manually moving iron core closes a floodgate, can finish the automatic brake separating function.Under electromagnetism separating brake failure scenarios, manually also can finish the separating brake function; When permanent magnet placed first moving unshakable in one's determination the going up, closing by hand power was less, and the Manual pressure the when Manual pressure during combined floodgate can be with the combined floodgate of traditional electrical magnetic contactor is suitable.
Description of drawings
Fig. 1 is first kind of version schematic diagram of described contactor: wherein have: 1, button, 2, first vertical axis, 3, second vertical axis, 4, support, 5, first is moving unshakable in one's determination, 6, first groups of springs, 7, fixed core, 8, first coil, 9, second groups of springs, 10, permanent magnet, 11, second is moving unshakable in one's determination.
Fig. 2 is that first kind of version contactor is in the schematic diagram under the gate-dividing state;
First kind of version contactor view when Fig. 3 presses for button;
Fig. 4 is that first kind of version contactor is in the schematic diagram under the "on" position;
Fig. 5 is second kind of version schematic diagram of band self recovery function:
Fig. 6 is that second kind of version contactor is in the schematic diagram under the gate-dividing state;
Second kind of version contactor view when Fig. 7 presses for button;
Fig. 8 is that second kind of version contactor is in the schematic diagram under the "on" position.
Embodiment
As shown in Figure 1, permanent magnet contactor is mainly by button 1, the first vertical axis 2, the second vertical axises 3, and support 4, the first moves 5, the first groups of springs 6 unshakable in one's determination, fixed core 7, and coil 8, the second groups of springs 9, permanent magnet 10, the second moving unshakable in one's determination 11 is formed.In support 4, first moving 5 and first vertical axis 2 unshakable in one's determination is an integral body, second moving 11 and second vertical axis 3 unshakable in one's determination is an integral body, permanent magnet 10 places the centre of first moving 5 bottoms unshakable in one's determination, and second vertical axis 3 is arranged in first vertical axis 2 and passes first moving unshakable in one's determination 5, the permanent magnet 10 and be connected with the second moving iron core 11; Fixed core 7 is fixed on the support 4, is fixed with coil 8 in fixed core 7; Be provided with second groups of springs 9 at second moving unshakable in one's determination 11 the downside, be provided with first groups of springs 6 at first moving unshakable in one's determination 5 the downside, button 1 is positioned at the top of first vertical axis 2 and second vertical axis 3.
Fixed core 7, first moving unshakable in one's determination 5 and second moving unshakable in one's determination 11 is for permeability magnetic material is made into, and first vertical axis 2, second vertical axis 3, support 4 are made into for non-magnet material.Permanent magnet 10 places on first moving unshakable in one's determination 5, and fixed core 7 is fixed in the support 4; Fixed core 7, first moving unshakable in one's determination 5, second moving 11 and second vertical axis 3 unshakable in one's determination is for permeability magnetic material is made into, and support 4 is made into for non-magnet material.The protuberance support fixation of fixed core 7 usefulness supports 4 inside, coil 8 is fixed together with fixed core 7; First moving unshakable in one's determination 5, second moving unshakable in one's determination 11 respectively with first vertical axis 2, second vertical axis 3 links together, support 4 is made by non-magnet material, wherein first vertical axis 2 is connected with contact system, be the critical piece of carrying out breaking-closing operating, it is to carry out manually to press the critical piece that button 1 is realized breaking-closing operating that the second moving iron core 11 is connected with second vertical axis 3 and button 1.When contactor is in gate-dividing state (as Fig. 2), second moving unshakable in one's determination 11 contact with fixed core 7, and the counter-force that the suction of permanent magnet 10 generations at this moment is not enough to overcome first groups of springs 6 reaches attracting state, and the contactor system is under the stable state of separating brake.When pressing the button 1, second vertical axis 3 that links to each other with button 1 and the second moving iron core 11 that links to each other with this move down, this button can impel first vertical axis 2 and move down with the first moving iron core 5 simultaneously, be placed on first moving 5 bottoms unshakable in one's determination permanent magnet 10 also can move down synchronously, finally reach state as shown in Figure 3, under this state, the suction that set of permanent magnets 10 produces is not enough to overcome the counter-force of first groups of springs 6 and contactor is remained under the attracting state, so decontrol button 1 this moment, first moving unshakable in one's determination 5 can be to rising under the counter-force effect of first groups of springs 6, second moving unshakable in one's determination 11 also can finally get back to initial gate-dividing state as shown in Figure 2 simultaneously to rising under the counter-force effect of second groups of springs 9.When contactor is in "on" position following time (as Fig. 4), the suction that permanent magnet 10 produces remains on the first moving iron core 5 and fixed core 7 under the attracting state, reaching permanent magnetism type contactor need not energising to coil 8 and just can remain on purpose under the attracting state, when pressing the button 1, second vertical axis 3 that links to each other with button 1 and second moving unshakable in one's determination 11 moves down, driving permanent magnet 10 moves down, finally can reach state as shown in Figure 3, this moment as relieving button 1 will produce foregoing motion process, reaching hand push button makes and the purpose of permanent magnetism type contactor separating brake no longer is repeated in this description herein.
As shown in Figure 2, during combined floodgate, coil 8 logical forward currents, consistent with permanent magnet 10 magnetic directions, at this moment, permanent magnet 10, fixed core 7, air gap, first moving unshakable in one's determination 5, second moving unshakable in one's determination 11 form magnetic circuit, when suction during greater than counter-force, first moving unshakable in one's determination 5 moves downward, and makes the contact mechanism closure.As shown in Figure 4, during separating brake, the logical reverse currents of coil 8, the magnetic potential that coil 8 produces is opposite with the magnetic potential of permanent magnet 10, and when the counter-force of first groups of springs 6 during greater than suction, second moving unshakable in one's determination 11 moves upward, and drives contact realization separating brake.
In addition, embodiment about structure also provides second kind of version (as Fig. 5) mainly by button 1, the first vertical axis 2, the second vertical axises 3 here, support 4, first moving 5, the first groups of springs 6 unshakable in one's determination, fixed core 7, coil 8, second groups of springs 9, set of permanent magnets 10, the second moving unshakable in one's determination 11 is formed.The protuberance support fixation of fixed core 7 usefulness supports 4 inside, coil 8 is fixed together with fixed core 7; First moving unshakable in one's determination 5 is connected with first vertical axis 2, and second moving unshakable in one's determination 11 is connected with second vertical axis 3, and support 4 is made by non-magnet material, and wherein first vertical axis 2 is connected with contact system, is the critical piece that execution coil 8 is controlled breaking-closing operatings; Second moving unshakable in one's determination 11 is connected with second vertical axis 3 and button 1, is to carry out the critical piece of manually pressing button 1 realization breaking-closing operating.When contactor is in gate-dividing state (as Fig. 6), the second moving iron core 11 and set of permanent magnets 10 are in attracting state with static iron core 7, the counter-force that the suction that this moment, set of permanent magnets produced the first moving iron core 5 is not enough to overcome first groups of springs 6 reaches attracting state, and the contactor system is under the stable state of separating brake.When pressing the button 1 that links to each other with the second moving iron core 11, second vertical axis 3 that links to each other with button 1 and the second moving iron core 11 that links to each other with this move down, the set of permanent magnets 10 that is placed on the second moving iron core 11 also can move down synchronously, this button 1 can impel first vertical axis 2 and move down with the first moving iron core 5 simultaneously, finally reach state as shown in Figure 7, under this state, the suction that set of permanent magnets 10 produces is not enough to overcome the counter-force of first groups of springs 6 and contactor is remained under the attracting state, so after decontroling button 1, first moving unshakable in one's determination 5 can be to rising under the counter-force effect of first groups of springs 6, second moving unshakable in one's determination 11 also can finally get back to initial gate-dividing state as shown in Figure 6 simultaneously to rising under the counter-force effect of second groups of springs 9.When contactor is in "on" position following time (as Fig. 8), the suction that permanent magnet 10 produces remains on the first moving iron core 5 and fixed core 7 under the attracting state, reaching permanent magnetism type contactor need not energising to coil 8 and just can remain on purpose under the attracting state, when pressing the button 1, second vertical axis 3 that links to each other with button 1 reaches with the second moving iron core 11 and moves down, driving permanent magnet 10 moves down, finally can reach state as shown in Figure 7, this moment as relieving button 1 will produce foregoing motion process, reaching hand push button makes and the purpose of permanent magnetism type contactor separating brake no longer is repeated in this description herein.
Claims (3)
1. permanent magnetism type contactor, it is characterized in that this operating mechanism by button (1), first vertical axis (2), second vertical axis (3), support (4), first moving (5) unshakable in one's determination, first groups of springs (6), fixed core (7), coil (8), second groups of springs (9), permanent magnet (10), second moving (11) unshakable in one's determination are formed; In support (4), first moving (5) unshakable in one's determination and first vertical axis (2) are an integral body, second moving (11) unshakable in one's determination and second vertical axis (3) are an integral body, permanent magnet (10) places the centre of first moving unshakable in one's determination (5) bottom, and second vertical axis (3) is arranged in that first vertical axis (2) passes first moving (5) unshakable in one's determination, permanent magnet (10) is connected with the second moving iron core (11); There is coil (8) to be provided with second groups of springs (9) at fixed core (7) internal fixation at the downside of second moving (11) unshakable in one's determination, downside in first moving (5) unshakable in one's determination is provided with first groups of springs (6), and button (1) is positioned at the top of first vertical axis (2) and second vertical axis (3).
2. permanent magnetism type contactor according to claim 1, it is characterized in that fixed core (7), first moving (5) unshakable in one's determination and second moving (11) unshakable in one's determination for permeability magnetic material is made into, first vertical axis (2), second vertical axis (3), support (4) are made into for non-magnet material.
3. permanent magnetism type contactor according to claim 1 is characterized in that permanent magnet (10) places on second moving (11) unshakable in one's determination, and fixed core (7) is fixed in the support (4); Fixed core (7), first moving (5) unshakable in one's determination, second moving (11) unshakable in one's determination and second vertical axis (3) are for permeability magnetic material is made into, and support (4) is made into for non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200465201U CN201084653Y (en) | 2007-10-16 | 2007-10-16 | A permanent magnetic contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200465201U CN201084653Y (en) | 2007-10-16 | 2007-10-16 | A permanent magnetic contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201084653Y true CN201084653Y (en) | 2008-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200465201U Expired - Lifetime CN201084653Y (en) | 2007-10-16 | 2007-10-16 | A permanent magnetic contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201084653Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762122A (en) * | 2014-01-03 | 2014-04-30 | 温州大学 | Electromagnetic mechanism with cascade magnetic core and energy-saving contactor thereof |
| CN107068348A (en) * | 2016-12-29 | 2017-08-18 | 江苏越达电力设备有限公司 | A kind of frequency converter direct current reactor based on flat ripple control module |
-
2007
- 2007-10-16 CN CNU2007200465201U patent/CN201084653Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762122A (en) * | 2014-01-03 | 2014-04-30 | 温州大学 | Electromagnetic mechanism with cascade magnetic core and energy-saving contactor thereof |
| CN103762122B (en) * | 2014-01-03 | 2016-07-06 | 温州大学 | The electromagnetic mechanism of a kind of cascade magnetic core and energy-saving contactor thereof |
| CN107068348A (en) * | 2016-12-29 | 2017-08-18 | 江苏越达电力设备有限公司 | A kind of frequency converter direct current reactor based on flat ripple control module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071016 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |