WO2006125360A1 - Circuit magnetique d'un relais electromagnetique et son procede de fonctionnement - Google Patents

Circuit magnetique d'un relais electromagnetique et son procede de fonctionnement Download PDF

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Publication number
WO2006125360A1
WO2006125360A1 PCT/CN2006/000599 CN2006000599W WO2006125360A1 WO 2006125360 A1 WO2006125360 A1 WO 2006125360A1 CN 2006000599 W CN2006000599 W CN 2006000599W WO 2006125360 A1 WO2006125360 A1 WO 2006125360A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
magnetic circuit
magnet
coil
stationary
Prior art date
Application number
PCT/CN2006/000599
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English (en)
Chinese (zh)
Inventor
Junqing Wang
Original Assignee
Xiamen Hongfa Electroacoustic Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNB2005100724790A external-priority patent/CN100361251C/zh
Priority claimed from CN200510043747A external-priority patent/CN1881507B/zh
Priority claimed from CN200510043746A external-priority patent/CN1881506B/zh
Application filed by Xiamen Hongfa Electroacoustic Co., Ltd. filed Critical Xiamen Hongfa Electroacoustic Co., Ltd.
Publication of WO2006125360A1 publication Critical patent/WO2006125360A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H01H51/2281—Contacts rigidly combined with armature
    • H01H51/229—Blade-spring contacts alongside armature

Definitions

  • the present invention relates to an electromagnetic relay, and more particularly to a magnetic circuit of an electromagnetic relay and a method of operating the same. Background technique
  • Electromagnetic relays are widely used in automatic control equipment. Due to the development of technology, relay structures are required to be more compact, smaller in size, more sensitive, more reliable in operation, and lower in energy consumption. In order to meet the above requirements, this type of relay uses a magnetic circuit structure with magnetic steel to reduce volume and energy consumption, and to improve sensitivity and reliability.
  • the known magnetic circuit structures are as follows: Invention patent of CN02134301.2 And the invention of JP09-139166 discloses an "E"-shaped magnetic circuit structure with magnetic steel. The magnetic circuit structure is complicated, and the magnetic steel and/or the supporting magnetic conductor occupy a certain winding space, the armature and the support.
  • the magnetizer is a metal friction-prone powder; the invention patent No.
  • the object of the present invention is to overcome the above disadvantages of the prior art, to provide a magnetic circuit of an electromagnetic relay and a working method thereof, which expands the winding space, reduces the internal space occupied by the relay, and reduces the movable parts.
  • the quality reduces the precision requirements for parts and assembly.
  • the contact between the movable part and the stationary part adopts a non-metallic contact method, which reduces the generation of powder, thereby simplifying the production process and making the relay structure more compact and smaller. Higher sensitivity and higher operational reliability.
  • a magnetic circuit of an electromagnetic relay of the present invention comprises a stationary magnet, a magnet, a coil, a movable magnet and a support member thereof; a stationary magnet and a magnet form a C-shaped member, and a C-shaped member
  • the two free ends are a magnetic pole, and the other magnetic pole substantially centered on the C-shape constitutes two independent magnetic circuits;
  • the coil is wound on the "C"-shaped member with an insulating material therebetween, and the insulating material may be With "C”
  • the molded parts may be wrapped or coated on the "c" shaped member;
  • the support member is located in the middle of the movable magnet and supports the movable magnet on the two free ends of the C-shaped stationary magnet. Do a seesaw movement.
  • the stationary magnetizer is a C-shaped integrated structure, and the magnetic steel is placed inside the C-shaped stationary magnet, opposite to the movable magnet; the coil is wound on a c-shaped member composed of a magnetic steel and a stationary magnet, in the magnetic steel An insulating material layer is disposed between the c-shaped member and the coil, and the insulating material layer is injection molded with the c-shaped member composed of the magnetic steel and the stationary magnetic conductor, or the insulating material layer is wrapped or coated on the magnetic steel and A stationary magnetizer is formed on the c-shaped member.
  • the stationary magnetizer is a horizontally disposed strip-shaped body, and two fast magnets are vertically placed at two ends of the stationary magnetizer to form a "C"-shaped member; the coils are wound on the "C"-shaped member, in which There is an insulating material between them, which may be injection molded with a “C” shaped part, or may be wrapped or coated on a “C” shaped part.
  • the stationary magnetizer is two vertical strips disposed at two ends of the magnetic steel to form a "C” shaped member; the coil is wound on the "C” shaped member with an insulating material therebetween.
  • the insulating material may be injection molded with a “C” shaped part, or it may be wrapped or coated on a “C” shaped part.
  • the support member that supports the rotation of the movable guiding magnet is an insulating support.
  • the working method of the magnetic circuit system is as follows: Since the magnetic field strength of the magnetic steel in the middle of the C-shaped member is hooked, a magnetic circuit is formed in which both magnetic fields are hooked in the magnetic circuit system, and the magnetic circuit is not supplied to the coil. There are two stable states in the system, reset and set.
  • the magnetic force of the magnetic circuit is greater than the magnetic force of the other magnetic circuit, so that the relay remains in the Reset state; in the reset state, when the coil is provided with the instantaneous set excitation voltage, the magnetic field generated by the coil resists the magnetic field of the magnetic circuit, and the magnetic field of the other magnetic circuit is enhanced, so that the pole surface of the movable magnet and the stationary magnetizer
  • the pole face is detached, and the pole face of the movable conductive magnet is attached to the pole face of the stationary magnetizer, and then the excitation voltage of the coil is removed, the magnetic force of the magnetic circuit is greater than the magnetic force of the other magnetic circuit, and the magnetic circuit is kept in the set state;
  • the coil is supplied with an instantaneous reset voltage in the set state, the magnetic circuit returns to the reset state. In this way, the contact parts of the drive relay are broken.
  • the working method of the magnetic circuit system is as follows: the two magnetic steels have the same size and uniform magnetic field strength, forming a magnetic circuit with uniform magnetic field strength in the magnetic circuit, and the magnetic circuit has two stable states without supplying power to the coil. State, reset and set state, set as the reset state in the figure; in the reset state, since the pole face of the movable magnetizer is in contact with the pole face of the magnetic steel and the other pole face has an air gap, the magnetic The magnetic force of the loop is greater than the magnetic circuit a magnetic force that maintains the relay in a reset state; in the reset state, when the coil is provided with an instantaneous set excitation voltage, the magnetic field generated by the coil resists the magnetic field of the magnetic circuit, and the magnetic field of the magnetic circuit is enhanced, so that the magnetic field The pole surface of the movable magnet is separated from the pole surface of the magnetic steel, and the pole surface of the movable magnet is attached to the pole surface of the magnetic steel, and then the excitation voltage of the coil is removed, and the magnetic force of the
  • the magnetic circuit may be such that the stationary magnetizer is placed at both ends of the magnetic steel, the magnetic steel has the same cross section, and the magnetic field strength is bilaterally symmetric and uniform.
  • the working method of the magnetic circuit is: Since the magnetic steel has the same cross section and the magnetic field strength is symmetrical and uniform, a magnetic circuit is formed in which both magnetic fields are hooked in the magnetic circuit, and the power is not supplied to the coil.
  • the magnetic circuit has two stable states, a reset state and a set state; in the reset state, since the pole surface of the movable magnetizer is in contact with the pole surface of the stationary magnetizer and the other pole surface has an air gap, the magnetic circuit The magnetic force is greater than the magnetic force of the magnetic circuit to maintain the relay in the reset state; in the reset state, when the coil is provided with the instantaneous set excitation voltage, the magnetic field generated by the coil resists the magnetic field of the magnetic circuit, and the magnetic field of the magnetic circuit is enhanced.
  • the pole surface of the movable magnetizer is disengaged from the pole surface of the stationary magnetizer, and the pole surface of the movable magnetizer is bonded to the pole surface of the stationary magnetizer, and then the excitation voltage of the coil is removed, and the magnetic force of the magnetic circuit is removed. More than the magnetic force of the magnetic circuit, the magnetic circuit remains in the set state; in the set state, when the coil is provided with an instantaneous reset voltage, the magnetic circuit returns to the reset state; Contact breaking member drive relay.
  • the magnetic circuit of the electromagnetic relay of the present invention can be applied to an electromagnetic relay including a casing, an armature member, a base for injection molding a coil member and a static spring foot, and the coil member includes an injection molding a "C"-shaped member and an insulated bobbin composed of a magnet and a stationary magnet, the bobbin is wound with a coil, and the armature member includes the armature and at least one moving reed disposed on the armature side And insulating materials that are molded together.
  • the magnetic circuit formed by the magnetic steel, the stationary magnetizer, the coil, and the armature may form a bilaterally symmetric or asymmetric magnetic circuit.
  • the invention has the advantages of providing a magnetic circuit of an electromagnetic relay and a working method thereof, wherein the static portion of the magnetic circuit forms a "C" shape, and does not occupy the winding like the "E" structure.
  • Space does not occupy the internal space of the relay like the movable structure of magnetic steel, and reduces the quality of the movable parts; its static part is wrapped inside the insulating material, which reduces the requirement for precision and assembly accuracy of the parts;
  • the connection between the part and the stationary part is made of a non-metallic connection, which reduces the generation of powder and simplifies
  • the production process makes the relay structure more compact, smaller in size, higher in sensitivity and higher in operational reliability, and is suitable for large-scale production line operations.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Figure 2 is a schematic structural view of Embodiment 2 of the present invention.
  • Figure 3 is a schematic structural view of Embodiment 3 of the present invention.
  • Figure 4 is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 5 is a schematic structural view of Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural view of Embodiment 1 of an electromagnetic relay to which the present invention is applied;
  • Figure 7 is an exploded perspective view of Embodiment 1 of an electromagnetic relay to which the present invention is applied;
  • Figure 8 is a schematic structural view of Embodiment 6 of the present invention.
  • Figure 9 is a schematic structural view of Embodiment 7 of the present invention.
  • Figure 10 is a schematic structural view of Embodiment 8 of the present invention.
  • Figure 11 is a schematic structural view of Embodiment 2 of an electromagnetic relay to which the present invention is applied;
  • Figure 12 is an exploded perspective view showing a second embodiment of an electromagnetic relay to which the present invention is applied;
  • Figure 13 is a schematic structural view of Embodiment 9 of the present invention.
  • Figure 14 is a schematic structural view of Embodiment 10 of the present invention.
  • Figure 15 is a schematic structural view of Embodiment 11 of the present invention.
  • Figure 16 is a schematic structural view of Embodiment 12 of the present invention.
  • Figure 17 is a schematic structural view of Embodiment 3 of an electromagnetic relay to which the present invention is applied;
  • Fig. 18 is an exploded perspective view showing the third embodiment of the electromagnetic relay to which the present invention is applied. detailed description
  • Fig. 1 shows an embodiment of the present invention, the magnetic circuit system comprising a stationary magnetizer 11c, a magnetic steel 11d, a coil 13 and a movable magnetizer 31 and a support member 22, and a magnetic steel lid placed on the stationary magnetizer 11c.
  • the two form a "C” shaped member 11, and the coil 13 is wound on the "C” shaped member 11 with an insulating material therebetween, and the insulating material may be injection molded with the "C" shaped member 11. It may also be wrapped or coated on the "C" shaped part 11.
  • a magnetic steel lid is placed on a stationary magnetizer.
  • the working method is as follows: Since the magnetic field strength of the magnetic steel lid in the middle of the "C"-shaped member 11 is uniform, the two magnetic field strengths in the magnetic circuit are formed.
  • the magnetic circuits 51, 52 have two stable states, reset and set states, without supplying power to the coil 13. In the reset state, since the pole face 31b of the movable magnet 31 is attached to the pole face lib of the stationary magnetizer 11c and the other pole face has an air gap, the magnetic force of the magnetic circuit 52 is larger than the magnetic force of the magnetic circuit 51.
  • the relay in the reset state; in the reset state, when the coil 13 is supplied with the instantaneous set excitation voltage, the magnetic field generated by the coil 13 resists the magnetic field of the magnetic circuit 52, and the magnetic field of the magnetic circuit 51 is enhanced to make the movable magnet
  • the pole face 31b of 31 is separated from the pole face lib of the stationary magnetizer 11c, and the pole face 31a of the movable magnet 31 is attached to the pole face 11a of the stationary magnetizer 11c, and then the excitation voltage of the coil 13 is removed, and the magnetic circuit 51 is
  • the magnetic force is greater than the magnetic force of the magnetic circuit 52, and the magnetic circuit remains in the set state; in the set state, when the coil 13 is supplied with the instantaneous reset voltage, the magnetic circuit returns to the reset state; thus reciprocating, the contact part of the driving relay is broken. .
  • Fig. 2 shows another embodiment of the present invention in which a magnetic steel having a uniform magnetic field strength is placed on the side of the stationary magnetizer 11c to make the magnetic field strength of the magnetic circuit non-uniform.
  • Fig. 3 shows another embodiment of the present invention in which a magnetic steel lid having a magnetic field strength unevenness is placed in the center of the stationary magnetizer 11c, so that the magnetic field strength of the magnetic circuit is uneven.
  • Fig. 4 shows another embodiment of the present invention in which two magnetic steel rods of inconsistent size are placed on both sides of the stationary magnetizer 11c, so that the magnetic field strength of the magnetic circuit is uneven.
  • the working method is as follows: Since the magnetic field strengths of the two magnetic circuits 51 and 52 in the magnetic circuit are not uniform, the magnetic circuit only has a stable state under the condition that the coil 13 is not supplied with power. That is, the release state.
  • the pole face 31b of the movable magnetizer 31 is brought into contact with the pole face lib of the stationary magnetizer 11c, and the other pole face is disengaged, the relay Keeping in the released state; in the released state, when the coil 13 is supplied with the excitation voltage, the magnetic field generated by the coil 13 resists the magnetic field of the magnetic circuit 52, and the magnetic field of the magnetic circuit 51 is enhanced, so that the pole face 31b of the movable magnetizer '31 and The pole surface lib of the stationary magnetizer 11c is disengaged, and the pole surface 31a of the movable magnet 31 is bonded to the pole surface 11a of the stationary magnetizer 11c, and the relay is in an operating state. After the excitation voltage of the coil 13 is removed, since the magnetic force of the magnetic circuit 52 is larger than the magnetic force of the magnetic circuit 51, the magnetic circuit returns to the released state. In this way, the contact parts of the drive relay are broken.
  • Figure 5 shows another embodiment of the present invention, the magnetic circuit system comprising a stationary magnetizer 11c, a magnetic steel 11d, a coil 13 and a movable magnet 31 placed in the middle of the stationary magnet 11c, both A "C” shaped member 11 is formed, and the coil 13 is wound around the two poles 11a, 11b on the "C” shaped member 11.
  • Figures 6 and 7 show an electromagnetic relay using the magnetic circuit system of the present invention, comprising a casing 4, an armature member 3, a base 2 for injection molding the coil member 1 and the stationary spring foot, and the coil member 1 comprises an injection molded body.
  • An armature member 3 is wound around the bobbin 12 of the "C"-shaped member 11 and the insulated bobbin 12, which are formed of a magnetic steel lid and a stationary magnetizer 11c, and the armature member 3 includes an armature 31 and a side of the armature 31 disposed thereon.
  • the magnetic circuit formed by the magnetic steel lid, the stationary magnetizer llc, the coil 13 and the armature 31 can form a bilaterally symmetrical or asymmetrical magnetic circuit.
  • Figure 8 shows an embodiment of the present invention, the magnetic circuit comprising a stationary magnetizer, a magnetic steel 11d, a coil 13 and a movable magnet 31 placed at both ends of the stationary magnet 11c
  • the two form a "C” shaped member 11, and the coil 13 is wound on the "C” shaped member 11 with an insulating material therebetween, and the insulating material may be a "C” shaped member 11
  • Injection molded together may also be wrapped or coated on the "C" shaped member 11.
  • the magnetic circuit In the magnetic circuit, a magnetic steel lid is placed at both ends of the stationary magnetizer Uc, and the size of the magnetic steel lid and the magnetic field strength are both hooked, and the working method is as follows: due to the uniformity of the size and magnetic field strength of the magnetic steel, formation In the magnetic circuit, the magnetic circuits 51 and 52 with uniform magnetic field strength have two stable states, reset and set states under the condition that the coil is not supplied with power, and the reset state is shown in the drawing; In the reset state, since the pole face 31b of the movable magnet 31 is attached to the pole face lib of the magnetic steel lid and the other pole face has an air gap, the magnetic force of the magnetic circuit 52 is larger than the magnetic force of the magnetic circuit 51, so that the relay Maintaining in a reset state; in the reset state, when the coil 13 is supplied with an instantaneous set excitation voltage, the magnetic field generated by the coil 13 resists the magnetic field of the magnetic circuit 52, and the magnetic field of the magnetic circuit 51 is enhanced, so that the movable The pole face 31b
  • the magnetic force of the magnetic circuit 51 is greater than the magnetic circuit
  • the magnetic force of 52 the magnetic circuit remains in the set state; in the set state, when the coil 13 is supplied with the instantaneous reset voltage, the magnetic circuit returns to the reset state; In this way, the contact parts of the drive relay are broken.
  • FIG. 9 shows an embodiment of the present invention in which two pieces of the magnetic steel lids having magnetic field strengths but inconsistent sizes are placed on both ends of the stationary magnetizer 11c to make a magnetic circuit.
  • the magnetic field strength is not uniform.
  • Fig. 10 shows another embodiment of the present invention, the magnetic circuit comprising a stationary magnetizer 11c, a magnetic steel 11d, a coil 13 and a movable magnet 31, which are placed on the stationary magnetizer 11c
  • the two ends form a "C" shaped member 11, and the coil 13 is wound on the two poles 11a, 11b on the "C" shaped member 11, on one pole face 31a of the movable magnetizer 31.
  • a magnetic spacer 34 is welded to make the magnetic field strength of the two magnetic circuits of the magnetic circuit uneven.
  • the working method is as follows: Since the magnetic field strengths of the two magnetic circuits 51 and 52 in the magnetic circuit are not uniform, the magnetic circuit only exists under the condition that the coil 13 is not supplied with power.
  • a steady state that is, a release state, is shown as a release state in the drawing; in the released state, since the magnetic force of the magnetic circuit 52 is larger than the magnetic force of the magnetic circuit 51, the pole face 31b of the movable magnetizer 31 and the pole of the magnetic steel lid The surface lib is attached, and the other pair of pole faces are disengaged, the relay is kept in the released state; in the released state, when the excitation voltage is supplied to the coil 13, the magnetic field generated by the coil 13 is resistant to the magnetic field of the magnetic circuit 52, and is enhanced.
  • the magnetic field of the magnetic circuit 51 is such that the pole face 31b of the movable magnet 31 is separated from the pole face lib of the magnetic steel lid, and the pole face 31a of the movable magnet 31 and the pole of the magnetic steel lid
  • the surface 11a is attached, and the relay is in an operating state; after the excitation voltage of the coil 13 is removed, since the magnetic force of the magnetic circuit 52 is greater than the magnetic force of the magnetic circuit 51, the magnetic circuit returns to the released state; thus reciprocatingly, the contact member of the driving relay is driven. Break.
  • Figure 11 and Figure 12 show an electromagnetic relay using the present invention, the electromagnetic relay comprising a casing 4, an armature member 3, a base 2 for injection molding a coil member 1 and a static spring foot, the coil
  • the component 1 comprises a "C" shaped part 11 and an insulated bobbin 12 formed by a magnetic steel lid and a stationary magnetizer 11c which are injection molded together, the bobbin 12 is wound with a coil 13, and the armature part 3 comprises an armature 31 and at least one moving spring 33 disposed on the side of the armature 31 and an insulating material 32 for molding them together.
  • the magnetic circuit formed by the magnetic steel lld, the stationary magnetizer llc, the coil 13 and the armature 31 can form a bilaterally symmetrical or asymmetrical magnetic circuit.
  • Figure 13 shows an embodiment of the present invention, the magnetic circuit comprising a stationary magnetizer, a magnetic steel 11d, a coil 13 and a movable conductive magnet 31, which are placed at both ends of the magnetic steel lid, which constitute a "C" shaped member 11, and the coil 13 is wound in the "C" shape On the member 11, there is an insulating material between them, which may be injection molded with the "C" shaped member 11, or may be wrapped or coated on the "C” shaped member 11.
  • the stationary magnetizer 11c is placed at both ends of the magnetic steel lid, and the magnetic steel lid has the same cross section and the magnetic field strength is symmetrical and symmetrical.
  • the working method is as follows: the magnetic steel has the same cross section.
  • the magnetic field strength is hooked and symmetrical, and the magnetic circuits 51 and 52 with the magnetic field strengths in the magnetic circuit are formed.
  • the magnetic circuit Under the condition that the coil is not supplied with power, the magnetic circuit has two stable states, reset and set state.
  • the reset state is shown in the drawing; in the reset state, since the pole face 31b of the movable magnet 31 is attached to the pole face lib of the stationary magnetizer 11c and the other pole face has an air gap, the magnetic circuit 52
  • the magnetic force is greater than the magnetic force of the magnetic circuit 51 to maintain the relay in the reset state; in the reset state, when the coil 13 is supplied with the instantaneous set excitation voltage, the magnetic field generated by the coil 13 is resistant to the magnetic field of the magnetic circuit 52, and is enhanced.
  • the magnetic field of the magnetic circuit 51 is such that the pole face 31b of the movable magnetizer 31 is separated from the pole face lib of the stationary magnetizer He, and the pole face 31a of the movable magnetizer 31 and the stationary magnetizer 11c The pole face 11a fits and then goes
  • the excitation voltage of the coil 13 the magnetic force of the magnetic circuit 51 is greater than the magnetic force of the magnetic circuit 52, and the magnetic circuit remains in the set state; in the set state, when the coil 13 is supplied with the instantaneous reset voltage, the magnetic circuit returns to the reset state. In this way, the contact parts of the drive relay are broken.
  • Figure 14 shows another embodiment of the present invention in which the stationary magnetizer 11c is placed at both ends of the magnetic steel lid having a uniform magnetic field strength but a cross-sectional inconsistency, so that the magnetic field strength of the magnetic circuit is not Evenly.
  • Figure 15 shows another embodiment of the present invention, in which the stationary magnetizer 11c is placed at both ends of the magnetic steel lid having the same cross-section, uniform magnetic field strength, and left-right asymmetry, so that the magnetic circuit The magnetic field strength is not uniform.
  • Figure 16 shows another embodiment of the present invention, the magnetic circuit comprising a stationary magnetizer 11c, a magnetic steel 11d, a coil 13 and a movable magnetizer 31, the stationary magnetizer 11c being placed on the magnetic steel lid End, the two form a "C" shaped member 11, the coil 13 is wound around the two poles 11a of the "C" shaped member 11, On the lib, a magnetic isolation piece 34 is welded to one pole surface 31a of the movable magnet 31 to make the magnetic field strength of the two magnetic circuits of the magnetic circuit non-uniform.
  • the magnetic circuit as shown in FIG. 14 or FIG. 15 works as follows: Since the magnetic field strengths of the two magnetic circuits 51 and 52 in the magnetic circuit are not uniform, the magnetic circuit only exists under the condition that the coil 13 is not supplied with power.
  • a steady state that is, a release state, is shown in the drawing as a release state; in the released state, since the magnetic force of the magnetic circuit 52 is larger than the magnetic force of the magnetic circuit 51, the pole face 31b of the movable magnetizer 31 and the stationary magnetizer 11c are The pole face lib fits, and the other pair of pole faces are disengaged, the relay remains in the released state; in the released state, when the coil 13 is supplied with the excitation voltage, the magnetic field generated by the coil 13 resists the magnetic field of the magnetic circuit 52, and The magnetic field of the magnetic circuit 51 is enhanced such that the pole face 31b of the movable magnetizer 31 is separated from the pole face lib of the stationary magnetizer 11c, and the pole face 31a of the movable magnetizer 31 and the stationary magnetizer The pole
  • Figure 17 and Figure 18 show an electromagnetic relay using the present invention, the electromagnetic relay comprising a casing 4, an armature member 3, a base 2 for injection molding a coil member 1 and a stationary spring foot, the coil
  • the component 1 comprises a "C" shaped part 11 and an insulated bobbin 12 formed by a magnetic steel lid and a stationary magnetizer 11c which are injection molded together, the bobbin 12 is wound with a coil 13, and the armature part 3 comprises an armature 31 and at least one moving spring 33 disposed on the side of the armature 31 and an insulating material 32 for molding them together.
  • the magnetic circuit formed by the magnetic steel lld, the stationary magnetizer llc, the coil 13 and the armature 31 can form a bilaterally symmetrical or asymmetrical magnetic circuit.

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  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

Un circuit magnétique d'un relais électromagnétique comprend un magnétiseur statique, un acier magnétique, une bobine, un organe de magnétisation mobile ainsi qu'un élément de support, l'élément de type 'C' est constitué de l'organe de magnétisation statique et de l'acier magnétique, deux circuits magnétiques indépendants sont formés par un pôle magnétique aux deux extrémités libres de l'élément de type 'C' et l'autre pôle magnétique approximativement au centre de l'élément de type 'C', la bobine est enroulée autour de l'élément de type 'C', un matériau isolant est ménagé entre la bobine et l'élément de type 'C' et le matériau isolant peut être intégré à l'élément de type 'C' par moulage par insertion, ou il peut envelopper ou recouvrir l'élément de type 'C'. Un circuit magnétique d'un relais électromagnétique et son procédé de fonctionnement selon l'invention présente un grand nombre d'avantages, à savoir que l'élément de type 'C' est constitué de sa partie statique, sa partie statique est enveloppée à l'intérieur du matériau isolant de manière à permettre de réduire les conditions de précision des pièces ainsi que la précision de montage, une manière de connexion sans métal est utilisée pour la connexion entre l'élément mobile et l'élément statique, de manière à permettre une réduction de la puissance, de sorte que le processus de production s'en trouve simplifié, la structure du relais est compacte et le volume du relais s'en trouve miniaturisé, ce qui améliore la sensibilité et la fiabilité et permet une application à une ligne d'assemblage à grande échelle.
PCT/CN2006/000599 2005-05-19 2006-04-05 Circuit magnetique d'un relais electromagnetique et son procede de fonctionnement WO2006125360A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CNB2005100724790A CN100361251C (zh) 2005-05-19 2005-05-19 一种电磁继电器的磁路***及其应用
CN200510072479.0 2005-05-19
CN200510043747A CN1881507B (zh) 2005-06-14 2005-06-14 一种电磁继电器的磁路及其工作方法
CN200510043747.6 2005-06-14
CN200510043746.1 2005-06-14
CN200510043746A CN1881506B (zh) 2005-06-14 2005-06-14 一种电磁继电器的磁路及其工作方法

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WO2006125360A1 true WO2006125360A1 (fr) 2006-11-30

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
US9238796B2 (en) 2010-06-04 2016-01-19 Toagosei Co. Ltd. Cell growth-promoting peptide and use thereof
CN110021500A (zh) * 2019-05-09 2019-07-16 广西睿奕科技开发有限公司 适合一进四出表型的双路磁保持继电器
CN113380565A (zh) * 2021-05-31 2021-09-10 浙江英洛华新能源科技有限公司 具有加强磁场的继电器

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US4703293A (en) * 1985-03-25 1987-10-27 Matsushita Electric Works, Ltd. Polarized electromagnetic actuator device
JPS6476635A (en) * 1987-09-14 1989-03-22 Nec Corp Electromagnetic relay
CN1396615A (zh) * 2002-07-05 2003-02-12 刘泰章 节能永磁继电器及其工作方法

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US4703293A (en) * 1985-03-25 1987-10-27 Matsushita Electric Works, Ltd. Polarized electromagnetic actuator device
JPS6476635A (en) * 1987-09-14 1989-03-22 Nec Corp Electromagnetic relay
CN1396615A (zh) * 2002-07-05 2003-02-12 刘泰章 节能永磁继电器及其工作方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9238796B2 (en) 2010-06-04 2016-01-19 Toagosei Co. Ltd. Cell growth-promoting peptide and use thereof
CN110021500A (zh) * 2019-05-09 2019-07-16 广西睿奕科技开发有限公司 适合一进四出表型的双路磁保持继电器
CN113380565A (zh) * 2021-05-31 2021-09-10 浙江英洛华新能源科技有限公司 具有加强磁场的继电器
CN113380565B (zh) * 2021-05-31 2024-04-12 浙江英洛华新能源科技有限公司 具有加强磁场的继电器

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