CN214672276U - Relay with reinforced magnetic field - Google Patents
Relay with reinforced magnetic field Download PDFInfo
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- CN214672276U CN214672276U CN202121197435.1U CN202121197435U CN214672276U CN 214672276 U CN214672276 U CN 214672276U CN 202121197435 U CN202121197435 U CN 202121197435U CN 214672276 U CN214672276 U CN 214672276U
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Abstract
The utility model relates to a relay, concretely relates to relay with strengthen magnetic field. The utility model provides a relay with strengthen magnetic field which characterized in that is including the cavity that is used for holding contact group and magnet steel group, be equipped with in the cavity by a movable contact and a stationary contact the contact group that constitutes, the stationary contact is located movable contact top or below, and the cavity is interior to the other magnet steel group that is provided with of contact group, magnet steel group comprises at least two magnet steel monomers that are independent each other and press close to, and magnet steel group includes at least two different magnet steel monomers of direction of magnetizing, the free direction of magnetizing of magnet steel sets up along the horizontal direction. The utility model has the advantages of can prolong the stroke of electric arc to avoid electric arc destruction flash barrier, with avoid electric arc and magnet steel contact, thereby avoid magnet steel demagnetization inefficacy, so that the relay uses more stable, life is longer.
Description
Technical Field
The utility model relates to a relay, concretely relates to relay with strengthen magnetic field.
Background
As shown in fig. 15, the conventional high-voltage relay includes a housing, two stationary contacts are disposed in the housing, the movable contact 12 is fixed on the movable spring 14, and a movable contact 12 is disposed below each stationary contact, in order to achieve arc extinction, a magnetic steel 19 is disposed on front and rear sides of a chamber formed by the housing, and the two magnetic steels 19 are magnetized in a magnetizing direction a along the front and rear directions. When the movable contact and the static contact are disconnected in a contact mode, arcs are emitted from the contact positions of the movable contact and the static contact, the arcs move to the left end portion and the right end portion of the magnetic steel 19, namely the arcs move to the corner positions of an inner cavity formed by the shell, energy of the arcs is gradually dissipated in long-stroke movement, and accordingly arc extinction is achieved.
Fig. 16 is a magnetic circuit diagram of fig. 15, and fig. 17 is a diagram showing a moving trajectory of the arc after the movable and stationary contacts are separated in fig. 15 (the moving trajectory of the arc is formed by a plurality of continuous dots in the drawing).
The electric arc can contact with the magnet steel corner when removing, because the electric arc has high temperature, the magnet steel can demagnetize under the high temperature effect, can cause the magnet steel to become invalid. Some relays can set up the insulation board of being made by pottery or insulating plastic material between magnet steel and moving, stationary contact to avoid electric arc and magnet steel contact, but the electric arc of high temperature can strike the insulation board, and the insulation board can be impaired because of contacting with high temperature electric arc for a long time, and the insulation board exists can break or melt the condition of deformation and take place, still exists electric arc and magnet steel contact so that the condition of magnet steel demagnetization inefficacy takes place.
Disclosure of Invention
The utility model aims at providing a can improve electric arc stroke in order to avoid electric arc and magnet steel contact so that the relay that has the enhancement magnetic field of magnet steel inefficacy.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the relay with the enhanced magnetic field comprises a cavity for accommodating a contact group and a magnetic steel group, wherein the contact group is formed by a movable contact and a fixed contact, the fixed contact is positioned above or below the movable contact, the magnetic steel group is arranged beside the contact group in the cavity, the magnetic steel group is formed by at least two magnetic steel monomers which are independent from each other and close to each other, the magnetic steel group comprises at least two magnetic steel monomers with different magnetizing directions, and the magnetizing directions of the magnetic steel monomers are arranged along the horizontal direction.
The utility model discloses set up the single magnet steel of magnet steel group into a plurality of magnet steel monomers, and the magnet steel monomer has different directions of magnetizing, the magnetic line of force that is closer to the cavity corner that enables the magnet steel group is more intensive, magnetic field intensity is higher, can change electric arc moving direction and stroke, thereby extension electric arc moving time and migration distance, further consume the electric arc energy, contact with the insulation board in the magnet steel or the magnet steel outside in order to avoid having the electric arc of certain energy, in order to avoid the insulation board impaired, and then avoid the magnet steel demagnetization.
Preferably, the magnetic steel single bodies on two opposite sides of the magnetic steel group magnetize towards the outer side of the magnetic steel group, or the magnetic steel single bodies on two opposite sides of the magnetic steel group magnetize towards the inner side of the magnetic steel group. The arrangement enables the electric arc generated after the movable and static contacts are disconnected to move towards the side far away from the magnetic steel group.
When the magnetic steel group is positioned at the front side or the rear side of the contact, the magnetic steel single bodies are arranged in sequence from left to right, the magnetic steel single body at the left side of the magnetic steel group is magnetized towards the left front or the left rear, and the magnetic steel single body at the right side of the magnetic steel group is magnetized towards the right front or the right rear; when the magnetic steel group is positioned on the left side or the right side of the contact, the magnetic steel single bodies are sequentially arranged in front and back, the magnetic steel single body on the front side of the magnetic steel group is magnetized towards the left front side or the right front side, and the magnetic steel single body on the rear side of the magnetic steel group is magnetized towards the left rear side or the right rear side. When the magnetic steel group is positioned on the left side or the right side of the contact group, and the magnetic steel monomers of the magnetic steel group are sequentially arranged from front to back, the rear side of the magnetic steel monomer at the most front side of the magnetic steel group is used as the inner side, the front side of the magnetic steel monomer at the most front side of the magnetic steel group is used as the outer side, the front side of the magnetic steel monomer at the most rear side of the magnetic steel group is used as the inner side, and the rear side of the magnetic steel monomer at the most rear side of the magnetic steel group is used as the outer side. When the magnetic steel group is positioned on the front side or the rear side of the contact group, and the magnetic steel monomers of the magnetic steel group are sequentially arranged from left to right, the right side of the magnetic steel monomer on the leftmost side of the magnetic steel group is used as the inner side, the left side of the magnetic steel monomer on the leftmost side of the magnetic steel group is used as the outer side, the left side of the magnetic steel monomer on the rightmost side of the magnetic steel group is used as the inner side, and the right side of the magnetic steel monomer on the rightmost side of the magnetic steel group is used as the outer side.
Preferably, the magnetizing directions of the single magnetic steels on the two opposite sides of the magnetic steel group are symmetrically arranged. The arrangement is characterized in that under the condition that the contact group is relatively positioned on one side of the middle part of the magnetic steel group, the magnetic field center of the magnetic steel group is not deviated, so that the electric arc can move according to a set track, and the arc discharge distance is ensured.
Preferably, the number of the magnetic steel groups is two, the two magnetic steel groups are respectively a first magnetic steel group and a second magnetic steel group, the first magnetic steel group and the second magnetic steel group are distributed on two sides of the contact group, and the first magnetic steel group and the second magnetic steel group respectively comprise two magnetic steel monomers with different magnetizing directions. The magnetic fields formed on the two opposite sides of the contact group influence the electric arc, so that the electric arc can be better deviated from the magnetic steel, and the magnetic steel is prevented from demagnetizing due to the contact of the electric arc and the magnetic steel.
Preferably, the number of the contact sets is two, the two contact sets comprise a first contact set and a second contact set which are arranged at intervals, two opposite sides of the two contact sets are respectively provided with one magnetic steel set, and a first magnetic steel set, the first contact set, the second contact set and a second magnetic steel set are sequentially arranged in the cavity along the front-back direction. And the magnetic field groups are respectively arranged near the two contact groups which are at a certain distance, and each contact group is matched with one magnetic field group, so that the arc generated by the disjunction of each contact group can move farther.
Preferably, a plurality of magnetic steel monomers of the first magnetic steel group and the second magnetic steel group are equally divided into three magnetic steel groups, each magnetic steel group comprises a middle magnetic steel group and side magnetic steel groups positioned on the left side and the right side of the middle magnetic steel group, the contact breaking centers of the movable contact and the static contact are relatively positioned between the side magnetic steel groups on the two sides, and the magnetizing directions of the side magnetic steel groups on the two sides are arranged in a bilateral symmetry mode. The magnetic steel group is divided into three magnetic steel groups, and two ends and the middle part of the magnetic steel group are respectively used as one magnetic steel group, so that the moving track of the electric arc can be better influenced.
Preferably, when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends along the front-back direction and inclines to the left, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group extends along the front-back direction and inclines to the right; when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends along the front-back direction and inclines rightwards, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group extends along the front-back direction and inclines leftwards. The arrangement enables the electric arc generated by the disjunction of the two contact sets to move towards the four corners of the chamber, can avoid the electric arc from contacting with the magnetic steel or the insulating plate, and can enable the moving track of the electric arc to be longer. Meanwhile, the arrangement enables the two arc motion tracks in the chamber to be arranged diagonally, and the temperatures at two ends in the chamber are more uniform.
Preferably, when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends to the left, the magnetizing direction of the magnetic steel group corresponding to the front magnetic steel group and the rear magnetic steel group of the second magnetic steel group is opposite to the magnetizing direction of the magnetic steel group so as to extend to the right; when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends to the right, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group is opposite to the magnetizing direction of the magnetic steel group so as to extend to the left. The arrangement enables the electric arc generated by the disjunction of the two contact sets to move towards the four corners of the chamber, can avoid the electric arc from contacting with the magnetic steel or the insulating plate, and can enable the moving track of the electric arc to be longer. Meanwhile, the arrangement enables the two arc motion tracks in the chamber to be arranged diagonally, and the temperatures at two ends in the chamber are more uniform.
Preferably, when the magnetization direction of one magnetic steel group of the first magnetic steel group extends along the front-rear direction, the magnetization direction of the second magnetic steel group is the same as that of the corresponding magnetic steel group. Meanwhile, the arrangement enables the two arc motion tracks in the chamber to be arranged diagonally, and the temperatures at two ends in the chamber are more uniform.
Preferably, the number of the magnetic steel single bodies of the magnetic steel group is at least two. Above-mentioned setting so that the utility model discloses the maintenance of the magnet steel of relay is changed, and can carry out the free change of part magnet steel according to actual need to obtain the magnetic field of different magnetic line of force densities, so that electric arc removal orbit can be changed.
The utility model has the advantages of can prolong the stroke of electric arc to avoid electric arc destruction flash barrier, with avoid electric arc and magnet steel contact, thereby avoid magnet steel demagnetization inefficacy, so that the relay uses more stable, life is longer.
Drawings
Fig. 1 is a schematic structural view of a relay according to embodiment 1 with an insulating cover removed;
FIG. 2 is a schematic diagram of the relay of FIG. 1 with the terminals and stationary contacts removed;
FIG. 3 is a top view of the relay of FIG. 1 with terminals and stationary contacts removed;
FIG. 4 is a magnetic circuit diagram of embodiment 1;
FIG. 5 is a diagram showing the moving trace of the arc after the movable and stationary contacts are disconnected in FIG. 4;
FIG. 6 is a schematic structural view of example 2;
FIG. 7 is a magnetic circuit diagram of embodiment 2;
FIG. 8 is a diagram showing the moving path of the arc after the movable and stationary contacts are disconnected in FIG. 6;
FIG. 9 is a schematic structural view of example 3;
FIG. 10 is a magnetic circuit diagram of embodiment 3;
FIG. 11 is a schematic structural view of example 4;
FIG. 12 is a magnetic circuit diagram of embodiment 4;
FIG. 13 is a diagram showing the moving path of the arc after the movable and stationary contacts are disconnected in FIG. 11;
FIG. 14 is a schematic structural view of example 5;
FIG. 15 is a schematic diagram of a conventional relay;
fig. 16 is a magnetic circuit diagram of the conventional relay shown in fig. 15;
fig. 17 is a diagram showing a moving trace of the arc after the movable and stationary contacts are separated in fig. 15.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
Example 1
By figure 1 to 5 show, the utility model discloses a relay with strengthen magnetic field, including yoke iron plate 11 and insulating boot (not drawn in the picture), yoke iron plate 11 constitutes the cavity that is used for holding contact group and magnet steel group with the insulating boot that is located yoke iron plate 11 top, is equipped with two contact groups that constitute by movable contact 12 and stationary contact 13 in the cavity, and every contact group includes a movable contact 12 and a stationary contact 13, to two in the cavity the other two that set up of contact group magnet steel group, magnet steel group comprise six mutually independent and magnet steel monomer 2 that press close to, and magnet steel group includes the different magnet steel monomer 10 of at least two magnetization directions. The front and rear movable contacts 12 are fixed on a movable spring 14, the movable spring 14 is fixedly connected with a push rod 15 by adopting a conventional relay structure, the front and rear fixed contacts 13 are fixed on the lower side of a leading-out terminal 16, and the leading-out terminal 16 is fixed with an insulating cover (not shown in the figure) by adopting a conventional relay structure. Wherein, the fixed contact 13 is positioned above the moving contact 12, and the magnetic steel single body 10 is magnetized along the horizontal direction.
Two magnet steel groups are first magnet steel group 101 and second magnet steel group 102 respectively, two contact groups are including first contact group 103 and the second contact group 104 that the interval set up around, first magnet steel group 101 and second magnet steel group 102 distribute in the front and back both sides of two contact groups, first magnet steel group 101 and second magnet steel group 102 all include two magnet steel monomers that magnetize the difference of direction, be equipped with first magnet steel group 101 along the fore-and-aft direction in the cavity in proper order, first contact group 103, second contact group 104 and second magnet steel group 102.
Wherein, the magnet steel group is equipped with insulating barrier 17 with the contact interblock, insulating barrier 17 is pressed close to the magnet steel group and partly surrounds magnet steel group circumference side, and the outside that the magnet steel group kept away from the contact group is equipped with the magnetic shield 18 of being made by magnetic material. The upper end face of the single magnetic steel body 10 is located above the contact and breaking position of the movable contact and the static contact, and the lower end face of the single magnetic steel body 10 is located below the contact and breaking position of the movable contact and the static contact. The number of the magnetic steel single bodies 10 of the first magnetic steel group 101 and the second magnetic steel group 102 is the same, the first magnetic steel group 101 and the second magnetic steel group 102 are the same in shape and structure and are symmetrically arranged front and back, and the central lines of the first magnetic steel group 101 and the second magnetic steel group 102 are superposed with the connecting line between the centers of the two moving contacts 12. Wherein, a plurality of magnet steel monomers 10 of first magnet steel group 101 and a plurality of magnet steel monomers 10 of second magnet steel group 102 of this embodiment all control range upon range of setting.
The first magnetic steel group 101 and the second magnetic steel group 102 of the present embodiment both have six magnetic steel single bodies 10, each two magnetic steel single bodies constitute a magnetic steel group, the first magnetic steel group 101 and the second magnetic steel group 102 both have three magnetic steel groups, the magnetic steel group includes a middle magnetic steel group 1011 and side magnetic steel groups 1012 located on the left and right sides of the middle magnetic steel group 1011, the contact breaking center of the moving contact and the stationary contact is located between the left and right ends of the magnetic steel group, that is, the contact breaking center of the moving contact and the stationary contact is located between the side magnetic steel groups 1012 on the left and right sides, and the magnetizing directions of the side magnetic steel groups 1012 on the two sides are arranged in bilateral symmetry.
The magnetizing directions B of the two single magnetic steel bodies 10 of the middle magnetic steel group 1011 of the first magnetic steel group 101 and the two single magnetic steel bodies 10 of the middle magnetic steel group 1011 of the second magnetic steel group 102 are both directions which extend from front to back and are parallel to the connecting line of the centers of the two movable contacts 12.
The magnetizing directions C of the two single magnetic steel bodies 10 of the side magnetic steel group 1012 on the left side of the first magnetic steel group 101 are the same as the magnetizing directions of the two single magnetic steel bodies 10 of the side magnetic steel group 1012 on the right side of the second magnetic steel group 102, and the magnetizing directions are all inclined from front to back and to the left.
The magnetizing directions D of the two single magnetic steel bodies 10 of the side magnetic steel group 1012 on the right side of the first magnetic steel group 101 are the same as the magnetizing directions of the two single magnetic steel bodies 10 of the side magnetic steel group 1012 on the left side of the second magnetic steel group 102, and the magnetizing directions are all from front to back and inclined to the right side. The magnetizing direction C and the magnetizing direction D are arranged in bilateral symmetry.
Example 2
As shown in fig. 6 to 8, the present embodiment is different from embodiment 1 only in the magnetizing direction of a portion of the single magnetic steel 10.
The magnetizing directions E of the left single magnetic steel body of the left side magnetic steel group of the first magnetic steel group 101, the right single magnetic steel body of the middle magnetic steel group 1011 of the first magnetic steel group 101, the left single magnetic steel body of the middle magnetic steel group of the second magnetic steel group 102 and the right single magnetic steel body of the side magnetic steel group on the right side of the second magnetic steel group 102 are all directions inclining from front to back to left.
The magnetizing directions F of the left magnetic steel single body of the middle magnetic steel group 1011 of the first magnetic steel group 101, the right magnetic steel single body of the side magnetic steel group 1012 on the right side of the first magnetic steel group 101, the left magnetic steel single body of the side magnetic steel group on the left side of the second magnetic steel group 102 and the right magnetic steel single body of the middle magnetic steel group 102 are all directions inclined from front to back and to the right side. The magnetizing directions F and E are arranged in bilateral symmetry.
The magnetizing directions G of the right magnetic steel single body of the side magnetic steel group on the left side of the first magnetic steel group 101, the left magnetic steel single body of the side magnetic steel group 1012 on the right side of the first magnetic steel group 101, the right magnetic steel single body of the side magnetic steel group on the left side of the second magnetic steel group 102, and the left magnetic steel single body of the side magnetic steel group 1012 on the right side of the second magnetic steel group 102 are the same, and the magnetizing directions G are directions which extend from front to back and are parallel to the central connecting line of the two movable contacts 12.
Example 3
As shown in fig. 9 and 10, the present embodiment is different from embodiment 1 only in the magnetizing direction of a portion of the single magnetic steel 10.
The magnetizing directions H of the two single magnetic steel bodies 10 of the middle magnetic steel group 1011 of the first magnetic steel group 101 and the two single magnetic steel bodies 10 of the middle magnetic steel group 1011 of the second magnetic steel group 102 are both directions which extend from front to back and are parallel to the connecting line of the centers of the two moving contacts 12.
The magnetizing directions I of the left single magnetic steel body of the left side magnetic steel group of the first magnetic steel group 101 and the right single magnetic steel body of the right side magnetic steel group of the second magnetic steel group 102 are all directions inclined from front to back and to the left.
The magnetizing directions J of the right single magnetic steel body of the side magnetic steel group on the right side of the first magnetic steel group 101 and the left single magnetic steel body of the side magnetic steel group on the left side of the second magnetic steel group 102 are all directions inclined from front to back and to the right side. The magnetizing direction I and the magnetizing direction J are arranged in bilateral symmetry.
The magnetizing directions K of the right magnetic steel single bodies of the side magnetic steel group on the left side of the first magnetic steel group 101 and the left magnetic steel single bodies of the side magnetic steel group on the right side of the second magnetic steel group 102 are all directions from left to right and are perpendicular to the connecting line of the centers of the two moving contacts 12.
The magnetizing directions L of the left single magnetic steel body of the side magnetic steel group on the right side of the first magnetic steel group 101 and the right single magnetic steel body of the side magnetic steel group on the left side of the second magnetic steel group 102 are all directions from right to left and perpendicular to the connecting line of the centers of the two moving contacts 12. The magnetizing direction L and the magnetizing direction K are arranged in bilateral symmetry.
Example 4
As shown in fig. 11 to 13, the present embodiment is different from embodiment 1 only in the magnetizing direction of a part of the single magnetic steel 10.
The magnetizing directions M of the right magnetic steel single body of the side magnetic steel grouping 1012 on the left side of the first magnetic steel group 101, the left magnetic steel single body of the side magnetic steel grouping 1012 on the right side of the first magnetic steel group 101, the right magnetic steel single body of the side magnetic steel grouping 1012 on the left side of the second magnetic steel group 102, and the left magnetic steel single body of the side magnetic steel grouping 1012 on the right side of the second magnetic steel group 102 are the same, and the magnetizing directions M are directions which extend from front to back and are parallel to the central connecting line of the two moving contacts 12.
The magnetizing directions N of the left single magnetic steel body of the left side magnetic steel grouping 1012 of the first magnetic steel group 101 and the right single magnetic steel body of the right side magnetic steel grouping 1012 of the second magnetic steel group 102 are all directions inclined from front to back and to the left.
The magnetizing directions O of the right single magnetic steel body of the side magnetic steel group on the right side of the first magnetic steel group 101 and the left single magnetic steel body of the side magnetic steel group on the left side of the second magnetic steel group 102 are all directions inclined from front to back and to the right side. The magnetizing direction N and the magnetizing direction O are arranged in bilateral symmetry.
The magnetizing directions P of the left magnetic steel single body of the middle magnetic steel group 1011 of the first magnetic steel group 101 and the right magnetic steel single body of the middle magnetic steel group 1011 of the second magnetic steel group 102 are all directions from left to right and are perpendicular to the connecting line of the centers of the two movable contacts 12.
The magnetizing directions Q of the right magnetic steel single body of the middle magnetic steel group 1011 of the first magnetic steel group 101 and the left magnetic steel single body of the middle magnetic steel group 1011 of the second magnetic steel group 102 are all directions from right to left and are perpendicular to the connecting line of the centers of the two moving contacts 12. The magnetizing directions P and Q are arranged symmetrically.
Example 5
As shown in fig. 14, the present embodiment is different from embodiment 1 only in that the magnetization directions of the single magnetic steel units 10 are different, and the placement positions of the single magnetic steel units 10 are different.
The two magnetic steel single bodies of the side magnetic steel grouping 1012 of the embodiment are stacked front and back.
The rear magnetic steel single body of the side magnetic steel grouping 1012 on the left side of the first magnetic steel group 101, the rear magnetic steel single body of the side magnetic steel grouping 1012 on the right side of the first magnetic steel group 101, two magnetic steel single bodies of the middle magnetic steel grouping of the first magnetic steel group 101, the front magnetic steel single body of the side magnetic steel grouping 1012 on the left side of the second magnetic steel group 102, the front magnetic steel single body of the side magnetic steel grouping 1012 on the right side of the second magnetic steel group 102, and the magnetizing directions R of the two magnetic steel single bodies of the middle magnetic steel grouping of the second magnetic steel group 102 are the same, and the magnetizing directions R are directions which extend from front to back and are parallel to the connecting line of the centers of the two movable contacts 12.
The magnetizing directions S of the front single magnetic steel body of the side magnetic steel subgroup 1012 on the left side of the first magnetic steel group 101 and the rear single magnetic steel body of the side magnetic steel subgroup 1012 on the right side of the second magnetic steel group 102 are all directions from right to left and perpendicular to the connecting line of the centers of the two moving contacts 12.
The magnetizing directions T of the front single magnetic steel body of the side magnetic steel subgroup 1012 on the right side of the first magnetic steel group 101 and the rear single magnetic steel body of the side magnetic steel subgroup 1012 on the left side of the second magnetic steel group 102 are all directions from left to right and perpendicular to the connecting line of the centers of the two moving contacts 12. The magnetizing direction T and the magnetizing direction S are arranged in bilateral symmetry.
The utility model has the advantages of can prolong the stroke of electric arc to avoid electric arc destruction flash barrier, with avoid electric arc and magnet steel contact, thereby avoid magnet steel demagnetization inefficacy, so that the relay uses more stable, life is longer.
Claims (10)
1. The utility model provides a relay with strengthen magnetic field which characterized in that is including the cavity that is used for holding contact group and magnet steel group, be equipped with in the cavity by a movable contact and a stationary contact the contact group that constitutes, the stationary contact is located movable contact top or below, and the cavity is interior to the other magnet steel group that is provided with of contact group, magnet steel group comprises at least two magnet steel monomers that are independent each other and press close to, and magnet steel group includes at least two different magnet steel monomers of direction of magnetizing, the free direction of magnetizing of magnet steel sets up along the horizontal direction.
2. The relay with the enhanced magnetic field according to claim 1, wherein the magnetic steel single bodies on two opposite sides of the magnetic steel group magnetize to the outside of the magnetic steel group, or the magnetic steel single bodies on two opposite sides of the magnetic steel group magnetize to the inside of the magnetic steel group.
3. The relay with the enhanced magnetic field according to claim 2, wherein the magnetizing directions of the single magnetic steel bodies on two opposite sides of the magnetic steel group are symmetrically arranged.
4. The relay with the enhanced magnetic field according to claim 1, wherein the number of the magnetic steel sets is two, the two magnetic steel sets are respectively a first magnetic steel set and a second magnetic steel set, the first magnetic steel set and the second magnetic steel set are distributed on two sides of the contact set, and the first magnetic steel set and the second magnetic steel set both include two magnetic steel monomers with different magnetizing directions.
5. The relay with the enhanced magnetic field according to claim 1, wherein the number of the contact sets is two, the two contact sets include a first contact set and a second contact set arranged at intervals, the two opposite sides of the two contact sets are respectively provided with one of the magnetic steel sets, and the chamber is internally provided with the first magnetic steel set, the first contact set, the second contact set and the second magnetic steel set in sequence along the front-back direction.
6. The relay according to claim 4 or 5, wherein the single magnetic steels of the first magnetic steel group and the second magnetic steel group are respectively configured with three magnetic steel groups, the magnetic steel groups include a middle magnetic steel group and side magnetic steel groups located at left and right sides of the middle magnetic steel group, the contact breaking center of the moving contact and the stationary contact is located between the side magnetic steel groups located at the two sides, and the magnetizing directions of the side magnetic steel groups at the two sides are arranged symmetrically.
7. The relay with the enhanced magnetic field according to claim 6, wherein when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends along the front-back direction and inclines to the left, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group extends along the front-back direction and inclines to the right; when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends along the front-back direction and inclines rightwards, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group extends along the front-back direction and inclines leftwards.
8. The relay with the enhanced magnetic field according to claim 6, wherein when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends to the left, the magnetizing direction of the magnetic steel group corresponding to the front and the rear of the second magnetic steel group is opposite to the magnetizing direction of the magnetic steel group so as to extend to the right; when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends to the right, the magnetizing direction of the magnetic steel group corresponding to the front and the back of the second magnetic steel group is opposite to the magnetizing direction of the magnetic steel group so as to extend to the left.
9. The relay according to claim 6, wherein when the magnetizing direction of one magnetic steel group of the first magnetic steel group extends in the front-rear direction, the magnetizing direction of the second magnetic steel group is the same as that of the corresponding magnetic steel group.
10. The relay according to claim 6, wherein the number of the magnetic steel units of the magnetic steel group is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197435.1U CN214672276U (en) | 2021-05-31 | 2021-05-31 | Relay with reinforced magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197435.1U CN214672276U (en) | 2021-05-31 | 2021-05-31 | Relay with reinforced magnetic field |
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| Publication Number | Publication Date |
|---|---|
| CN214672276U true CN214672276U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121197435.1U Active CN214672276U (en) | 2021-05-31 | 2021-05-31 | Relay with reinforced magnetic field |
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| CN (1) | CN214672276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380565A (en) * | 2021-05-31 | 2021-09-10 | 浙江英洛华新能源科技有限公司 | Relay with enhanced magnetic field |
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2021
- 2021-05-31 CN CN202121197435.1U patent/CN214672276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380565A (en) * | 2021-05-31 | 2021-09-10 | 浙江英洛华新能源科技有限公司 | Relay with enhanced magnetic field |
| CN113380565B (en) * | 2021-05-31 | 2024-04-12 | 浙江英洛华新能源科技有限公司 | Relay with enhanced magnetic field |
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