CN105529130A - Electromagnet structure - Google Patents
Electromagnet structure Download PDFInfo
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- CN105529130A CN105529130A CN201610066989.5A CN201610066989A CN105529130A CN 105529130 A CN105529130 A CN 105529130A CN 201610066989 A CN201610066989 A CN 201610066989A CN 105529130 A CN105529130 A CN 105529130A
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- magnetic pole
- coil
- elastic component
- barrier structure
- push rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/123—Guiding or setting position of armatures, e.g. retaining armatures in their end position by ancillary coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F2007/1692—Electromagnets or actuators with two coils
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides an electromagnet structure. The electromagnet structure comprises a magnetic pole, a mounting member used for mounting the magnetic pole and guiding the movement of the magnetic pole, and a first coil and a second coil arranged around the mounting member, a first blocking structure is arranged on the mounting member, and a first elastic member is arranged between the magnetic pole and the first blocking structure; when being energized, the first coil generates a magnetic field to attract the magnetic pole to a position close to the first blocking structure, and at this time, the first elastic member is compressed to store energy; when the first coil de-energized, the second coil is energized, the second coil generates a magnetic force to attract the magnetic pole to move towards one side away from the first blocking structure, at this time, the first elastic member releases the energy to propel the magnetic pole to accelerate, so that when the magnetic pole arrives at the position of the second coil, the magnetic pole can obtain a larger speed, and thus being capable of driving the action of a mandril in a larger force. Compared with the prior art, the magnetic pole drives the movement of the mandril in the larger force without increasing the current or the coil, and demands under specific occasions can be satisfied.
Description
Technical field
The present invention relates to a kind of electromagnet structure, belong to electrical equipment control and protective device technical field.
Background technology
Electromagnet structure is usually used in electric apparatus control apparatus, for control action provides power.Electromagnet structure of the prior art as shown in Figure 1, comprise the dynamic magnetic pole 24 and magnetostatic pole 27 that are oppositely arranged, wherein magnetostatic pole 27 is fixedly installed, dynamic magnetic pole 24 can move back and forth relative to magnetostatic pole 27, dynamic magnetic pole 24 is fixed with and drives push rod 23, magnetostatic pole 27 is provided with the through hole for driving push rod 23 to pass, and driving push rod 23 outer wall is arranged with back-moving spring 26, one end of back-moving spring 26 contacts with dynamic magnetic pole 24, and the other end contacts with magnetostatic pole 27; Coil 25 is also provided with in the outer circumferential of dynamic magnetic pole 24 and magnetostatic pole 27.When coil 25 is not energized, under the effect of back-moving spring 26, dynamic magnetic pole 24 and magnetostatic pole 27 keep at a certain distance away and keep static, now drive push rod 23 to be in retracted position; When coil 25 is energized, dynamic magnetic pole 24 and magnetostatic pole 27 produce magnetic field and attract each other, the elastic force making dynamic magnetic pole 24 overcome back-moving spring 26 moves to magnetostatic pole 27, and then promotes to drive push rod 23 to extended position (see accompanying drawing 2), for control action provides power.For strengthening magnetic field intensity, being also provided with and enclosing by moved end yoke 22, middle yoke 21 and quiet end yoke 28 shell formed outside coil 25, wherein the inner chamber that leads is carried out in moved end yoke 22 motion be provided with as dynamic magnetic pole 24.
But this electromagnet structure of the prior art, when coil 25 is energized, the dynamics that dynamic magnetic pole 24 drives push rod 23 to stretch out is less, needs the occasion compared with large driving force, be difficult to satisfy the demands at some.For increasing the dynamics that dynamic magnetic pole 24 drives push rod 23 to stretch out, people generally can adopt two kinds of ways, and the first is the electric current increasing coil 25 inside, and the second increases coil; But the first way can increase power consumption, and cause heating serious, the second way can cause winding volume excessive, is unfavorable for the miniaturization of product.
Summary of the invention
Therefore, the object of the invention is to do not increasing coil inside electric current, and under not increasing the prerequisite of coil, provide a kind of and can improve the electromagnet iron construction that dynamic magnetic pole driving push rod stretches out dynamics.
For this reason, the invention provides a kind of electromagnet structure, comprising:
Magnetic pole, can move under the influence of a magnetic field;
Installed part, coordinates with described magnetic pole and installs, and for leading to the motion of described magnetic pole, and has first barrier structure relative with described magnetic pole;
First elastic component, is arranged between described magnetic pole and described first barrier structure;
First coil, is arranged around described installed part, and near described first barrier structure, for producing magnetic field when being energized, attracts described magnetic pole near described first barrier structure, to compress described first elastic component storage power;
Second coil, arrange around described installed part, and away from described first barrier structure, for being energized after described first coil losing electricity, produce magnetic pole described in magnetic field suction away from described first barrier structure, now described first elastic component releases energy and promotes described magnetic pole accelerated motion.
As a kind of preferred version, described first elastic component is spring, and one end is fixed on described magnetic pole.
As a kind of preferred version, described magnetic pole is provided with installation cavity, and one end of described first elastic component is fixedly connected with the bottom surface of described installation cavity, and the other end stretches out described installation cavity, relative with described first barrier structure; Further, the degree of depth of described installation cavity is greater than described first elastic component and is compressed to length the most in short-term.
As a kind of preferred version, when being also included in described first coil electricity, prevent the anti-voltage biasing structure of the first elastic component described in bias voltage.
As a kind of preferred version, described anti-voltage biasing structure comprises:
Guide rod, one end is fixedly connected with described magnetic pole through after described first elastic component, and the other end extends along the direction of motion of described magnetic pole to described first barrier structure side;
First perforation, is arranged on described installed part, and for when described first coil electricity attracts described magnetic pole, the other end for described guide rod passes.
As a kind of preferred version, described installed part is tubular structure, has for coordinating with described magnetic pole the inner chamber installed, and the inwall of described inner chamber is fitted with the outer wall of described magnetic pole and contacted, and thinks that the motion of described magnetic pole is led; Described first barrier structure for being molded over described installed part one end, and towards the annular flange flange that described interior cavity direction extends.
As a kind of preferred version, also comprise push rod structure, described push rod structure comprises:
Pedestal, is oppositely arranged with one end away from described first barrier structure of described installed part, has installing space, is communicated with and the first opening allowing described magnetic pole to insert with described installing space, and second opening relative with described first opening;
Push rod, has the stop part being positioned at described installing space inside, and is connected with described stop part, and the main part that can stretch out from described second opening;
Second barrier structure, is arranged on described first opening inwall, for mutually stopping with described stop part;
3rd barrier structure, is arranged on described second opening inwall, for mutually stopping with described stop part;
Second elastic component, is set on described main part, and one end contacts with described stop part and connects, and the other end contacts with described 3rd barrier structure and connects.
When described magnetic pole does not drive described stop part, stop part described in described second resilient element urges and described second barrier structure stop mutually, and now described push rod is in initial position;
During the described magnetic pole contact described stop part of driving, described second elastic component is compressed, and described stop part and described 3rd barrier structure stop mutually, and now described push rod is in and ejects position.
As a kind of preferred version, described second barrier structure is for being molded on described first opening inwall, and the annular flange flange extended towards inside; Described magnetic pole is provided with and can coordinates with described second barrier structure the ring-shaped step stopped.
As a kind of preferred version, described 3rd barrier structure is removably mounted on described second opening, there is the flat part for contacting with the other end of described second elastic component, and be connected with described flat part, for realizing with described stop part the limiting section that mutually stops, the height of described limiting section higher than described second elastic component by the shortest length after compressing; Further, described flat part is also provided with the second perforation for passing described installing space for described main part.
As a kind of preferred version, also comprise and arranging around described installed part, to form first yoke in the space for installing described first coil and described second coil.
As a kind of preferred version, also comprise and arranging around described installed part and described push rod structure, to form the first yoke and second yoke in the space for installing described first coil, described second coil and described push rod structure, wherein, one end of first yoke is connected with described installed part, the other end is connected with described second yoke, and the other end of described second yoke is connected with described push rod structure.
Electromagnet structure provided by the invention, has the following advantages:
1. electromagnet structure of the present invention, comprise magnetic pole, for installing magnetic pole and carrying out the installed part that leads for the motion of magnetic pole, and the first coil arranged around installed part and the second coil, installed part is provided with the first barrier structure, is provided with the first elastic component between magnetic pole and the first barrier structure; When the first coil electricity, produce magnetic field by poles attract to the position near the first block piece, now the first elastic component is compressed storage power; When the first coil losing electricity, during the second coil electricity, second coil produces magnetic attraction magnetic pole to the lateral movement away from the first barrier structure, now the first elastic component releases energy, promote magnetic pole accelerated motion, thus make magnetic pole when arrival the second coil position, larger speed can be obtained, thus push rod action can be driven with larger dynamics.Compared with prior art, under the prerequisite without the need to increasing electric current and increase coil, achieving magnetic pole and driving push rod motion with larger dynamics, the demand under specific occasion can be met.
2. electromagnet structure of the present invention, the first elastic component is spring, and its one end is fixed on magnetic pole, when magnetic pole is to during near the motion of the direction of the first barrier structure, can ensures that the first elastic component keeps being suitable for being put shape by what compress, avoid bias voltage.
3. electromagnet structure of the present invention, magnetic pole is provided with installation cavity, one end of first elastic component is fixedly connected with the bottom surface of installation cavity, the other end stretches out installation cavity, when magnetic pole is to during near the motion of the direction of the first barrier structure, it is askew that installation cavity can prevent the first elastic component from being pressed, in addition, the degree of depth of installation cavity is greater than the first elastic component and is compressed to length the most in short-term, when magnetic pole moves to very when the position of the first barrier structure, first barrier structure contacts with magnetic pole, although now the first elastic component is fully compressed installation cavity inside, but can not be forced into the shortest, thus the first elastic component can be protected, avoid by excessive compression.
4. electromagnet structure of the present invention, also comprise the voltage biasing structure preventing the first elastic component biased further, guide rod is connected with magnetic pole through after the first elastic component, when magnetic pole is to during near the motion of the direction of the first barrier structure, guide rod is first through the first perforation, now the first elastic component is set on guide rod, can guarantee that the first elastic component is not biased.
5. electromagnet structure of the present invention, installed part is tubular structure, and have for coordinating the inner chamber installed with magnetic pole, the inwall of inner chamber is fitted with the outer wall of magnetic pole and contacted, and can not only lead, can also protect magnetic pole to the motion of magnetic pole.
6. electromagnet structure of the present invention, also comprise push rod structure, second barrier structure and the 3rd barrier structure are separately positioned on the first opening and second opening part of pedestal, for mutually stopping with the stop part of the installing space inside being positioned at pedestal, and under the effect of the second elastic component, limit the initial position of push rod, make initial position and the extended position controllable precise of push rod.
7. electromagnet structure of the present invention; magnetic pole is provided with and can coordinates with the second barrier structure the ring-shaped step stopped, like this after magnetic pole moves to certain position towards push rod, can be stopped by the second barrier structure; can prevent from too extruding the second elastic component, the second elastic component can be protected.
8. electromagnet structure of the present invention; 3rd barrier structure is provided with flat part and limiting section, and wherein the height of limiting section is greater than the second elastic component by the shortest length after compressing, thus can when limiting section contacts with stop part; avoid the second elastic component to be forced into the shortest, the second elastic component can be protected.
9. electromagnet structure of the present invention, also comprises the first yoke and/or the second yoke, to make full use of the field drives magnetic pole produced by the first coil and the second coil, improves drive efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in prior art or the specific embodiment of the invention, the accompanying drawing used in describing prior art or embodiment is below briefly described, apparently, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure principle chart of electromagnet in prior art.
Fig. 2 is the structure principle chart after the energising of Fig. 1 coil.
Fig. 3 is the structure principle chart of electromagnet when being in initial condition of the embodiment of the present invention 2.
Fig. 4 is the structure principle chart of electromagnet after the first coil electricity in Fig. 3.
Fig. 5 be electromagnet in Fig. 4 at the first coil losing electricity, the structure principle chart after the second coil electricity.
Yoke in the middle of Reference numeral: 21-, 22-moved end yoke, 23-drives push rod, and 24-moves magnetic pole, 25-coil, 26-back-moving spring, the magnetostatic pole of 27-, the quiet end yoke of 28-; 1-magnetic pole, 10-installation cavity, 11-ring-shaped step, 3-installed part, 30-inner chamber, 31-first barrier structure, 32-first bores a hole, 41-first elastic component, 42-second elastic component, 51-first coil, 52-second coil, 6-guide rod, 7-pedestal, 71-installing space, 701-first opening, 702-second opening, 703-second bores a hole, 72-second barrier structure, 73-the 3rd barrier structure, 731-flat part, 732-limiting section, 8-push rod, 81-stop part, 82-main part, 91-first yoke, 92-second yoke.
Embodiment
Be described technical scheme of the present invention below in conjunction with Figure of description, obviously, following embodiment is not the whole embodiment of the present invention.Based on embodiment described in the invention, those of ordinary skill in the art, not making the every other embodiment obtained under other creative work prerequisites, belong to protection scope of the present invention.
It should be noted that, in describing the invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of electromagnet structure, does not comprise push rod structure, and concrete structure, with reference to shown in figure 3, comprising:
Magnetic pole 1, can move under the influence of a magnetic field;
Installed part 3, coordinates with described magnetic pole 1 and installs, and for leading to the motion of described magnetic pole 1, and has first barrier structure 31 relative with described magnetic pole 1;
First elastic component 41, is arranged between described magnetic pole 1 and described first barrier structure 31;
First coil 51, is arranged around described installed part 3, and near described first barrier structure 31, for producing magnetic field when being energized, attracts described magnetic pole 1 near described first barrier structure 31, to compress described first elastic component 41 storage power;
Second coil 52, arrange around described installed part 3, and away from described first barrier structure 31, for being energized after described first coil 51 dead electricity, produce magnetic pole 1 described in magnetic field suction away from described first barrier structure 31, now described first elastic component 41 releases energy and promotes the accelerated motion of described magnetic pole 1.
The electromagnet structure of the present embodiment, in the first coil 51 dead electricity, when second coil 52 is energized, first elastic component 41 release energy promote magnetic pole 1 move, the magnetic field that second coil 52 produces drives magnetic pole 1 accelerated motion further, thus increases the motive force of magnetic pole 1, makes magnetic pole 1 when arrival second coil 52 position, there is larger speed, thus possess larger actuating force.
In the present embodiment, the first elastic component 41 is spring, and one end is fixed on described magnetic pole 1.When magnetic pole 1 is to during near the motion of the direction of the first barrier structure 31, the first elastic component 41 can be made to remain on and to be suitable for being put shape by what compress, avoid bias voltage.
The mounting means of the first elastic component 41 on magnetic pole 1 is: described magnetic pole 1 is provided with installation cavity 10, and one end of described first elastic component 41 is fixedly connected with the bottom surface of described installation cavity 10, and the other end stretches out described installation cavity 10, relative with described first barrier structure 31; Further, the degree of depth of described installation cavity 10 is greater than described first elastic component 41 and is compressed to length the most in short-term.
Installation cavity 10 can prevent the first elastic component 41 askew by pressure; and; when magnetic pole 1 moves to very when the position of the first barrier structure 31; first barrier structure 31 contacts with magnetic pole 1; although now the first elastic component 41 is fully compressed installation cavity 10 inside; but can not be forced into the shortest, thus can protect the first elastic component 10, avoid by excessive compression.
Also be included in described first coil 51 when being energized, prevent the anti-voltage biasing structure of the first elastic component 41 described in bias voltage.
Described anti-voltage biasing structure comprises: guide rod 6, and one end is fixedly connected with described magnetic pole 1 through after described first elastic component 41, and the other end extends along the direction of motion of described magnetic pole 1 to described first barrier structure 31 side; First perforation 32, is arranged on described installed part 3, and when attracting described magnetic pole 1 for being energized at described first coil 51, the other end for described guide rod 6 passes.When magnetic pole 1 is to when stopping the direction motion of 31 structures near first, guide rod 6 is first through the first perforation 32, and now the first elastic component 41 is set on guide rod 6, can guarantee that the first elastic component 41 is not biased.
In this enforcement, described installed part 3 is tubular structure, has for coordinating with described magnetic pole 1 inner chamber 30 installed, and the inwall of described inner chamber 30 is fitted with the outer wall of described magnetic pole 1 and contacted, and thinks that the motion of described magnetic pole 1 is led; Described first barrier structure 31 is for being molded over described installed part 3 one end, and the annular flange flange extended towards described inner chamber 30 direction.
Also comprise and arranging around described installed part 3, to form first yoke 91 in the space for installing described first coil 51 and described second coil 52, first yoke 91 can prevent magnetic from exposing, thus the field drives magnetic pole 1 produced by the first coil 51 and the second coil 52 can be made full use of, improve drive efficiency.
In this enforcement, the operation principle of electromagnet structure is as follows:
Initial position, shown in figure 3, first coil 51 dead electricity, second coil 52 dead electricity, now magnetic pole 1 is in initial position under gravity and (it is pointed out that the position of magnetic pole 1 in diagram is near the second coil 52, it is the reason due to putting position, when adopting other putting positions, magnetic pole 1 under gravity, can also be in other positions);
When first coil 51 is energized, shown in figure 4, be attracted to the position near the first barrier structure 31 under the magnetic fields that magnetic pole 1 produces at the first coil 51, now the first elastic component 41 is compressed by magnetic pole 1 and the first barrier structure 31, storage power;
Activation point, first coil 51 dead electricity, when second coil 52 is energized, shown in figure 5, first elastic component 41 releases energy, and drives magnetic pole 1 to move near the direction of the second coil 52, the magnetic field that the second coil 52 produces, further driving magnetic pole 1 accelerates to the second coil 52 position motion, for driving push rod structure or other similar structures.
Embodiment 2
This enforcement provides a kind of electromagnet structure, as shown in Figure 3, while including the structure described in embodiment 1, also includes push rod structure.
Wherein push rod structure comprises: pedestal 7, be oppositely arranged with one end away from described first barrier structure 31 of described installed part 3, there is installing space 71, be communicated with described installing space 71 and allow the first opening 701 that described magnetic pole 1 inserts, and second opening 702 relative with described first opening 701;
Push rod 8, has the stop part 81 being positioned at described installing space 71 inside, and is connected with described stop part 81, and the main part 82 that can stretch out from described second opening 702;
Second barrier structure 72, is arranged on described first opening 701 inwall, for mutually stopping with described stop part 81;
3rd barrier structure 73, is arranged on described second opening 702 inwall, for mutually stopping with described stop part 81;
Second elastic component 42, is set on described main part 82, and one end contacts with described stop part 81 and connects, and the other end contacts with described 3rd barrier structure 73 and connects.
When described magnetic pole 1 does not drive described stop part 81, described second elastic component 42 promotes described stop part 81 to be stopped mutually with described second barrier structure 72, and now described push rod 8 is in initial position;
When described magnetic pole 1 drives described stop part 81, described second elastic component 42 is compressed, and described stop part 81 stops mutually with described 3rd barrier structure 73, and now described push rod 8 is in and ejects position.
The electromagnet structure of the present embodiment, second barrier structure 72 and the 3rd barrier structure 73 are separately positioned on the first opening 701 and the second opening 702 place of pedestal 7, for mutually stopping with the stop part 81 of installing space 71 inside being positioned at pedestal 7, and under the effect of the second elastic component 42, limit the initial position of push rod 8, make initial position and the extended position controllable precise of push rod 8.
Described second barrier structure 72 is for being molded on described first opening 701 inwall, and the annular flange flange extended towards inside; Described magnetic pole 1 is provided with and can coordinates with described second barrier structure 72 ring-shaped step 11 stopped.
Described 3rd barrier structure 73 is removably mounted on described second opening 702, there is the flat part 731 for contacting with the other end of described second elastic component 42, and be connected with described flat part 731, for realizing with described stop part 81 limiting section 732 that mutually stops, the height of described limiting section 732 higher than described second elastic component 42 by the shortest length after compressing; Further, described flat part 732 is also provided with the second perforation 703 for passing described installing space 71 for described main part 82.
Also comprise and arranging around described installed part 3 and described push rod structure, to form first yoke 91 and second yoke 92 in the space for installing described first coil 51, described second coil 52 and described push rod structure, wherein, one end of first yoke 91 is connected with described installed part 3, the other end is connected with described second yoke 92, and the other end of described second yoke 92 is connected with described push rod structure.
In the present embodiment, the operation principle of electromagnet structure is as follows:
Push rod 8 is in initial position, as shown in Figure 3, first coil 51 dead electricity, second coil 52 dead electricity, now magnetic pole 1 is in initial position under gravity and (it is pointed out that the position of now magnetic pole 1 is due to putting position near the second coil 52, when adopting other putting positions, magnetic pole 1 under gravity, can also be in other positions); Push rod 8, under the position-limiting action of the second elastic component 42 and the second barrier structure 72, is in initial position;
When first coil 51 is energized, as shown in Figure 4, be attracted to the position near the first barrier structure 31 under the magnetic fields that magnetic pole 1 produces at the first coil 51, now the first elastic component 41 is compressed by magnetic pole 1 and the first barrier structure 31, storage power; Now push rod 8 still keeps initial position;
Push rod 8 is in and ejects position, first coil 51 dead electricity, when second coil 52 is energized, as shown in Figure 5, first elastic component 41 release energy promote magnetic pole 1 move to the second coil 52 position, the magnetic field that second coil 52 produces, further driving magnetic pole 1 accelerates to move to the direction of the second coil 52, when magnetic pole 1 move to contact with the stop part of push rod 8 time, push rod 8 can be driven towards the direction away from magnetic pole 1 to move to extended position, and (the second elastic component 42 is extruded accumulation of energy in the process, so that after the actuating force of magnetic pole 1 disappears, promote push rod 8 and return to initial position).
Obviously, above-described embodiment is only for clearly example being described, and the restriction not 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 exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (11)
1. an electromagnet structure, is characterized in that: comprising:
Magnetic pole (1), can move under the influence of a magnetic field;
Installed part (3), coordinates with described magnetic pole (1) and installs, and for leading to the motion of described magnetic pole (1), and has first barrier structure (31) relative with described magnetic pole (1);
First elastic component (41), is arranged between described magnetic pole (1) and described first barrier structure (31);
First coil (51), arrange around described installed part (3), and near described first barrier structure (31), for producing magnetic field when being energized, attract described magnetic pole (1) near described first barrier structure (31), to compress described first elastic component (41) storage power;
Second coil (52), arrange around described installed part (3), and away from described first barrier structure (31), for being energized after described first coil (51) dead electricity, produce magnetic pole (1) described in magnetic field suction away from described first barrier structure (31), now described first elastic component (41) releases energy and promotes described magnetic pole (1) accelerated motion.
2. electromagnet structure according to claim 1, is characterized in that: described first elastic component (41) is spring, and one end is fixed on described magnetic pole (1).
3. electromagnet structure according to claim 2, it is characterized in that: described magnetic pole (1) is provided with installation cavity (10), one end of described first elastic component (41) is fixedly connected with the bottom surface of described installation cavity (10), the other end stretches out described installation cavity (10), relative with described first barrier structure (31); Further, the degree of depth of described installation cavity (10) is greater than described first elastic component (41) and is compressed to length the most in short-term.
4. electromagnet structure according to claim 2, is characterized in that: when being also included in the energising of described first coil (51), prevent the anti-voltage biasing structure of the first elastic component (41) described in bias voltage.
5. electromagnet structure according to claim 4, is characterized in that: described anti-voltage biasing structure comprises:
Guide rod (6), one end is fixedly connected with described magnetic pole (1) afterwards through described first elastic component (41), and the other end extends along the direction of motion of described magnetic pole (1) to described first barrier structure (31) side;
First perforation (32), is arranged on described installed part (3), and for when described first coil (51) energising attracts described magnetic pole (1), the other end for described guide rod (6) passes.
6. electromagnet structure according to claim 1, it is characterized in that: described installed part (3) is tubular structure, have for coordinating the inner chamber (30) installed with described magnetic pole (1), the inwall of described inner chamber (30) is fitted with the outer wall of described magnetic pole (1) and is contacted, and thinks that the motion of described magnetic pole (1) is led; Described first barrier structure (31) is for being molded over described installed part (3) one end, and the annular flange flange extended towards described inner chamber (30) direction.
7. electromagnet structure according to claim 1, is characterized in that: also comprise push rod structure, and described push rod structure comprises:
Pedestal (7), be oppositely arranged with one end away from described first barrier structure (31) of described installed part (3), there is installing space (71), be communicated with described installing space (71) and the first opening (701) allowing described magnetic pole (1) to insert, and second opening (702) relative with described first opening (701);
Push rod (8), have and be positioned at the inner stop part (81) of described installing space (71), and being connected with described stop part (81), and the main part (82) that can stretch out from described second opening (702);
Second barrier structure (72), is arranged on described first opening (701) inwall, for mutually stopping with described stop part (81);
3rd barrier structure (73), is arranged on described second opening (702) inwall, for mutually stopping with described stop part (81);
Second elastic component (42), is set on described main part (82), and one end contacts with described stop part (81) and connects, and the other end contacts with described 3rd barrier structure (73) and connects.
When described magnetic pole (1) does not drive described stop part (81), described second elastic component (42) promotes described stop part (81) and mutually stops with described second barrier structure (72), and now described push rod (8) is in initial position;
When described magnetic pole (1) drives described stop part (81), described second elastic component (42) is compressed, described stop part (81) and described 3rd barrier structure (73) stop mutually, and now described push rod (8) is in and ejects position.
8. electromagnet structure according to claim 7, is characterized in that: described second barrier structure (72) is for being molded on described first opening (701) inwall, and the annular flange flange extended towards inside; Described magnetic pole (1) is provided with and can coordinates with described second barrier structure (72) ring-shaped step (11) stopped.
9. electromagnet structure according to claim 7, it is characterized in that: described 3rd barrier structure (73) is removably mounted on described second opening (702), there is the flat part (731) for contacting with the other end of described second elastic component (42), and be connected with described flat part (731), for realizing with described stop part (81) limiting section (732) that mutually stops, the height of described limiting section (732) higher than described second elastic component (42) by the shortest length after compressing; Further, described flat part (732) is also provided with the second perforation (703) for passing described installing space (71) for described main part (82).
10. the electromagnet structure according to any one of claim 1-6, it is characterized in that: also comprise and arranging, to form first yoke (91) in the space for installing described first coil (51) and described second coil (52) around described installed part (3).
11. electromagnet structures according to claim 7-9, it is characterized in that: also comprise and arranging around described installed part (3) and described push rod structure, to be formed for installing described first coil (51), first yoke (91) in space of described second coil (52) and described push rod structure and the second yoke (92), wherein, one end of first yoke (91) is connected with described installed part (3), the other end is connected with described second yoke (92), and the other end of described second yoke (92) is connected with described push rod structure.
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| CN109950067A (en) * | 2019-04-24 | 2019-06-28 | 瑞声精密制造科技(常州)有限公司 | Electromagnetic switching device |
| CN112564022A (en) * | 2020-11-30 | 2021-03-26 | 南京来田商贸有限公司 | Television capable of preventing external force from pulling out connecting equipment to enhance connection |
| CN112562962A (en) * | 2020-12-03 | 2021-03-26 | 安徽爱意爱机电科技有限公司 | Push type electromagnet structure for high-speed production line |
| CN114551024A (en) * | 2022-02-16 | 2022-05-27 | 上海卫星工程研究所 | Stop gear and spacecraft magnetic levitation device |
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