CN110137036B - Multi-contact relay - Google Patents

Multi-contact relay Download PDF

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Publication number
CN110137036B
CN110137036B CN201910409995.XA CN201910409995A CN110137036B CN 110137036 B CN110137036 B CN 110137036B CN 201910409995 A CN201910409995 A CN 201910409995A CN 110137036 B CN110137036 B CN 110137036B
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terminals
output terminals
contact
main guide
yoke
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CN110137036A (en
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Sanyou Corp Ltd
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Sanyou Corp Ltd
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Priority to CN201910409995.XA priority Critical patent/CN110137036B/en
Publication of CN110137036A publication Critical patent/CN110137036A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/18Movable parts of magnetic circuits, e.g. armature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/36Stationary parts of magnetic circuit, e.g. yoke
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/443Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The invention relates to the technical field of relays, and particularly discloses a multi-contact relay which comprises an insulator, a driving mechanism, a conductive piece, two output terminals and two detection terminals, wherein the driving mechanism drives the conductive piece to move forward to conduct the two output terminals; the conductive piece is provided with a main guide piece and two elastic pieces, the main guide piece is used for contacting and conducting the two output terminals, and one ends of the two elastic pieces, which are far away from the main guide piece, are respectively used for conducting the two detection terminals; when the relay works, the driving mechanism drives the conductive piece to move, so that the main guide piece of the conductive piece contacts and conducts the two output terminals, the conduction of a circuit between the two output terminals is realized, and at the moment, the two detection terminals are not conducted; when the relay does not work, the driving mechanism drives the conductive piece to reversely move or the conductive piece to reversely move in a reset mode to conduct the two detection terminals, and a circuit between the two detection terminals is conducted; the working state of the relay is accurately known by utilizing the change of the detection signal between the two detection terminals.

Description

Multi-contact relay
Technical Field
The invention relates to the technical field of relays, and particularly discloses a multi-contact relay.
Background
The relay is a common automatic switch in various circuit control, the relay is a common safety switch for controlling the on-off of a high-current circuit by utilizing a small current, the potential safety hazard caused by directly controlling the high-current circuit is avoided, the relay can fail or be damaged to cause incapability of use in the use process of the relay, operators are required to detect regularly, the operation is labor-consuming, and the use is extremely inconvenient.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the multi-contact relay, the working state of the relay is accurately known by utilizing the change of detection signals between two detection terminals, an operator is not required to regularly detect whether the relay works normally, the use is convenient, and the use cost of the relay is reduced.
In order to achieve the above purpose, the multi-contact relay of the present invention comprises an insulator, a driving mechanism, a conductive member, two output terminals and two detection terminals, wherein the driving mechanism, the conductive member, the two output terminals and the two detection terminals are arranged on the insulator, the driving mechanism drives the conductive member to move forward to conduct the two output terminals, and the driving mechanism drives the conductive member to move reversely or the conductive member to reset to move reversely to conduct the two detection terminals; the conductive piece is provided with a main guide piece and two elastic pieces, the elastic pieces are formed by bending the main guide piece, the two elastic pieces are located on the same side of the main guide piece, the main guide piece is located between the two elastic pieces, the main guide piece is used for contacting and conducting two output terminals, and one ends, far away from the main guide piece, of the two elastic pieces are respectively used for conducting two detection terminals.
Preferably, the conductive piece comprises a fixed end and an elastic end formed by bending the fixed end, the main guide piece is arranged at one end of the elastic end far away from the fixed end, the main guide piece is provided with a moving point block, the moving point block is used for contacting and conducting two output terminals, and the moving point block and the elastic piece are respectively positioned at two sides of the main guide piece; the free end of the elastic sheet is provided with a contact bulge, the contact bulge is used for contacting the conduction detection terminal, and the contact bulge is positioned on one side of the elastic sheet far away from the main guide sheet.
Preferably, the driving mechanism comprises an electromagnet and an armature, the electromagnet comprises an insulating frame, an electromagnetic coil, an iron core and a yoke, an inserting column is arranged at one end of the insulating frame, a jack for accommodating the inserting column is arranged at one end of the insulating body, the iron core penetrates through the insulating frame, the electromagnetic coil is arranged outside the insulating frame in a winding mode and surrounds the iron core, the yoke is L-shaped, one end of the yoke is arranged at the other end of the insulating body and provided with a fixing pin, a fixing hole for accommodating the fixing pin is formed at the other end of the insulating body, one end of the conductive piece is arranged at the other end of the yoke, the armature is arranged at the other end of the conductive piece, one end of the iron core is in contact with the yoke, and the other end of the iron core is used for attracting the armature to enable the armature to contact the other end of the iron core and one end of the yoke away from the fixing pin.
Preferably, the yoke has a riveting hole, the riveting hole and the fixing leg are positioned at the same end of the yoke, the riveting hole is rectangular, the iron core is provided with a riveting head accommodated in the riveting hole, the shape of the riveting head is matched with that of the riveting hole, and the yoke is provided with an arc-shaped groove communicated with the corner of the riveting hole.
Preferably, the two output terminals and the two detection terminals are embedded and formed in the insulator, the output terminals and the detection terminals are provided with embedded holes in the insulator, and the fixing parts of the two detection terminals are positioned between the fixing parts of the two output terminals; the insulator comprises a first body and a second body matched with the first body, the first body is provided with a body part and a limiting part protruding from the body part, the output terminals protrude out of one end of the body part close to the limiting part and are bent to form a first contact part, and the first contact parts of the two output terminals are respectively positioned at two sides of the limiting part; the detection terminal protrudes out of the free end of the limiting part and is bent to form a second contact part, and the main guide plate and the elastic sheet are positioned between the first contact part and the second contact part; the guide pins of the two output terminals respectively protrude out of two sides of the body part.
Preferably, the multi-contact relay further comprises two arc extinguishing magnets and an insulation box buckled with the insulator, wherein the driving mechanism, the conductive piece, the two output terminals and the two detection terminals are all located in the insulation box, two containing holes for respectively containing the two arc extinguishing magnets are formed in the insulation box, and the two arc extinguishing magnets are used for elongating the electric arcs generated before the main guide piece and the output terminals so as to extinguish the electric arcs.
Preferably, the insulation box is internally provided with a positioning column, the conductive piece and the yoke are provided with positioning holes for accommodating the positioning column, and the conductive piece is positioned between the insulation box and the yoke.
Preferably, the insulating frame is provided with two power terminals, two ends of the electromagnetic coil are respectively communicated with the two power terminals, and the two power terminals and the two detection terminals are respectively electrically connected with a conductive cable protruding out of the insulating box; one output terminal, two detection terminals all have the connector lug of buckling, and the connector lug has the perforation that runs through the connector lug, and the perforation is used for holding and establishes conductive cable.
Preferably, the multi-contact relay further comprises an electric connector located outside the insulation box, wherein one end of the conductive cable, which is far away from the power terminal, and one end of the conductive cable, which is far away from the detection terminal, are respectively arranged on the electric connector, and the electric connector is provided with a grounding wire.
Preferably, the moving point block and one side of the output terminal, which are close to each other, are respectively provided with a contact for contact, the contacts are spot-welded on the moving point block and the output terminal, each output terminal is provided with two contacts, two ends of the moving point block are respectively provided with two contacts, and the two contacts at the same end of the moving point block are respectively used for contacting and conducting the two contacts of the same output terminal.
The invention has the beneficial effects that: when the relay works, the driving mechanism drives the conductive piece to move, so that the main guide piece of the conductive piece contacts and conducts the two output terminals, the conduction of a circuit between the two output terminals is realized, and at the moment, the two detection terminals are not conducted; when the relay does not work, the driving mechanism drives the conductive piece to reversely move or the conductive piece to reversely move in a reset mode to conduct the two detection terminals, and a circuit between the two detection terminals is conducted; the working state of the relay is accurately known by utilizing the change of the detection signals between the two detection terminals, and an operator is not required to regularly detect whether the relay works normally or not, so that the use is convenient, and the use cost of the relay is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partially exploded view of the present invention;
FIG. 3 is a schematic diagram of an explosive structure according to the present invention;
Fig. 4 is a schematic perspective view of a yoke and an iron core according to the present invention.
The reference numerals include:
1-insulator 2-conductive member 3-output terminal
4-Detection terminal 5-main guide 6-elastic sheet
7-Moving point block 8-contact protrusion 9-armature
11-Insulating frame 12-electromagnetic coil 13-iron core
14-Yoke 15-plug 16-fixing leg
17-Riveting hole 18-riveting joint 19-arc groove
21-Concave hole 22-embedded hole 23-body part
24-Limit part 25-first contact part 26-second contact part
27-Insulating box 28-arc extinguishing magnet 29-accommodating hole
31-Positioning column 32-power terminal 33-conductive cable
34-Electrical connector 35-contact 36-connector lug
37-Perforations.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 4, the multi-contact relay of the present invention includes an insulator 1, the insulator 1 is made of insulating plastic, a driving mechanism, a conductive member 2, two output terminals 3 and two detection terminals 4 are disposed on the insulator 1, the driving mechanism drives the conductive member 2 to move forward to conduct the two output terminals 3, and the driving mechanism drives the conductive member 2 to move backward or the conductive member 2 to automatically reset and move backward to conduct the two detection terminals 4.
The electric conduction piece 2 is provided with a main guide piece 5 and two elastic pieces 6, the main guide piece 5 and the two elastic pieces 6 are in an integral structure, the elastic pieces 6 are formed by bending the main guide piece 5, the two elastic pieces 6 are positioned on the same side of the main guide piece 5, the main guide piece 5 is positioned between the two elastic pieces 6, the two elastic pieces 6 are isolated by the main guide piece 5, the two elastic pieces 6 are prevented from being contacted and interfered with each other due to elastic deformation in the use process, the main guide piece 5 is used for contacting and conducting the two output terminals 3, and one ends of the two elastic pieces 6, which are far away from the main guide piece 5, are respectively used for conducting the two detection terminals 4.
When the relay works, the driving mechanism drives the conductive piece 2 to move, so that the main guide piece 5 of the conductive piece 2 contacts and conducts the two output terminals 3, the conduction of a circuit between the two output terminals 3 is realized, and at the moment, the two detection terminals 4 are not conducted; when the relay does not work, the driving mechanism drives the conductive piece 2 to reversely move or the conductive piece 2 to reversely move in a reset mode to conduct the two detection terminals 4, a circuit between the two detection terminals 4 is conducted, and at the moment, the two output terminals 3 are not conducted; the working state of the relay is accurately known by utilizing the change of the detection signals between the two detection terminals 4, and an operator is not required to regularly detect whether the relay works normally or not, so that the use is convenient, and the use cost of the relay is reduced.
The conductive piece 2 comprises a fixed end (not numbered in the figure) and an elastic end (not numbered in the figure) bent from the fixed end, the conductive piece 2 is made of metal materials, the main body of the conductive piece 2 is an L-shaped sheet, the main guide piece 5 is arranged at one end of the elastic end far away from the fixed end, the main guide piece 5 is detachably connected with a movable point block 7, the movable point block 7 is made of conductive metal materials, the movable point block 7 is approximately a rectangular straight bar, two ends of the movable point block 7 are respectively used for contacting and conducting two output terminals 3, the movable point block 7 and the elastic piece 6 are respectively positioned on the upper side and the lower side of the main guide piece 5, the main guide piece 5 is used for isolating the elastic piece 6 and the movable point block 7, and touch interference of the main guide piece 5 and the movable point block 7 in the using process is avoided.
The free end of the elastic sheet 6 is provided with a contact bulge 8, the contact bulge 8 is used for contacting the conduction detection terminal 4, the contact bulge 8 is provided with a spherical bulge surface, the spherical bulge surface is used for contacting the detection terminal 4, the point discharge between the contact bulge 8 and the detection terminal 4 is avoided, and the contact bulge 8 is positioned on one side of the elastic sheet 6 far away from the main guide sheet 5.
The driving mechanism comprises an electromagnet and an armature 9, the armature 9 is made of a magnetic conductive metal material, the electromagnet comprises an insulating frame 11, an electromagnetic coil 12, an iron core 13 and a yoke 14, an inserting column 15 is arranged at one end of the insulating frame 11, a jack for accommodating the inserting column 15 is arranged at one end of the insulating body 1, the inserting column 15 is inserted into the jack when the insulating frame 11 is assembled with the insulating body 1, rapid installation alignment of the insulating frame 11 and the insulating body 1 is achieved, and assembly efficiency of the insulating frame and the insulating body 1 is improved.
The iron core 13 runs through the insulating frame 11, and the both ends of iron core 13 protrude the both ends of insulating frame 11 respectively, and solenoid 12 winds to establish in the insulating frame 11 outside and encircle iron core 13 setting, and yoke 14 is L, and the one end setting of yoke 14 is on the other end of insulator 1 and has fixed foot 16, and the other end of insulator 1 is equipped with the fixed orifices that is used for holding fixed foot 16, and in this embodiment, the quantity of fixed foot 16 is two, and the quantity of fixed orifice is two, has the barb that interferes with insulator 1 on the fixed foot 16, ensures that insulating frame 11 and insulator 1 are in the same place firmly.
One end of the conductive member 2 is arranged at the other end of the yoke 14, the armature 9 is arranged at the other end of the conductive member 2, one end of the iron core 13 is in contact with the yoke 14, the other end of the iron core 13 is used for attracting the armature 9 so that the armature 9 contacts the other end of the iron core 13 and one end of the yoke 14, which is far away from the fixed pin 16, so that the yoke 14, the armature 9 and the iron core 13 form a closed loop, and the magnetic performance of the electromagnet is improved.
The yoke 14 is provided with a riveting hole 17, the riveting hole 17 and a fixing pin 16 are positioned at the same end of the yoke 14, the riveting hole 17 is rectangular, the iron core 13 is provided with a riveting head 18 accommodated in the riveting hole 17, the shape of the riveting head 18 is matched with that of the riveting hole 17, and the yoke 14 is provided with an arc-shaped groove 19 communicated with the corner of the riveting hole 17. The rivet joint 18 is provided with a concave hole 21, when the iron core 13 and the yoke 14 are assembled, an external riveting machine protrudes into the concave hole 21, so that the rivet joint 18 is broken and riveted with the yoke 14, and the remainder of the broken rivet joint 18 is extruded into the arc-shaped groove 19, so that the iron core 13 and the yoke 14 are firmly riveted together. In this embodiment, the core 13 is formed by laminating three magnetic conductive sheets.
The two output terminals 3 and the two detection terminals 4 are embedded and formed (English full name is inserted and formed) in the insulator 1, the fixing parts of the two detection terminals 4 are located between the fixing parts of the two output terminals 3, the output terminals 3 and the detection terminals 4 are provided with embedded holes 22 located in the insulator 1, when the embedding and forming are carried out, molten insulating materials enter the embedded holes 22, after cooling, the output terminals 3 and the detection terminals 4 can be stably located on the insulator 1, and the terminals are prevented from moving relative to the insulator 1.
The insulator 1 comprises a first body and a second body matched with the first body, namely, the insulator 1 is of a split type structure, and one insulator 1 is split into two parts to be combined, so that the manufacture of the insulator 1 and the subsequent assembly operation of the insulator 1 and other components are facilitated. The first body is provided with a body part 23 and a limiting part 24 protruding from the body part 23, the output terminals 3 protrude from one end of the body part 23 close to the limiting part 24 and are bent to form a first contact part 25, the first contact parts 25 of the two output terminals 3 are respectively positioned at two sides of the limiting part 24, and the first contact parts 25 of the two output terminals 3 are separated by the limiting part 24 so as to prevent the first contact parts 25 of the two output terminals 3 from interfering with each other.
The detection terminal 4 protrudes out of the free end of the limiting part 24 and is bent to form a second contact part 26, the main guide piece 5 and the elastic piece 6 are positioned between the first contact part 25 and the second contact part 26, the limiting conductive piece 2 is blocked by the first contact part 25 and the second contact part 26, the conductive piece 2 is prevented from excessively moving to cause the relay to be incapable of being used normally, and the guide pins of the two output terminals 3 protrude out of the left side and the right side of the body part 23 respectively.
The multi-contact relay further comprises two arc extinguishing magnets 28 and an insulating box 27 buckled with the insulator 1, wherein the driving mechanism, the conductive piece 2, the two arc extinguishing magnets 28, the two output terminals 3 and the two detection terminals 4 are all positioned in the insulating box 27, and the driving mechanism, the conductive piece 2, the two arc extinguishing magnets 28, the two output terminals 3 and the two detection terminals 4 are protected by the insulating box 27, so that external objects are prevented from touching various accessories of the relay to cause damage.
The insulating case 27 has two receiving holes 29 in which two quenching magnets 28 are respectively received, and preferably, the quenching magnets 28 are in interference fit with the receiving holes 29 to prevent the quenching magnets 28 from falling off the insulating case 27, and the two quenching magnets 28 are used for elongating an arc generated before the main guide piece 5 and the output terminal 3 so as to quench the arc.
The insulating box 27 is internally provided with a positioning column 31, the conductive member 2 and the yoke 14 are provided with positioning holes for accommodating the positioning column 31, and the conductive member 2 is positioned between the insulating box 27 and the yoke 14. In the assembly process of the relay, the positioning column 31 protrudes into the positioning hole of the conductive piece 2 and the positioning hole of the yoke 14, so that the conductive piece 2 and the yoke 14 are accurately positioned, the conductive piece 2 is clamped by means of the matching of the insulating box 27 and the yoke 14, and the conductive piece 2 is prevented from falling off the yoke 14 to cause abnormal use.
The insulating frame 11 is provided with two power terminals 32, two ends of the electromagnetic coil 12 are respectively communicated with the two power terminals 32, the power terminals 32 are used for supplying power to the electromagnetic coil 12, and the two power terminals 32 and the two detection terminals 4 are respectively electrically connected with a conductive cable 33 protruding out of the insulating box 27; one output terminal 3, two detection terminals 4 each have a bent lug 36, the lug 36 having a through hole 37 penetrating the lug 36, the through hole 37 being for receiving the conductive cable 33.
The multi-contact relay further comprises an electrical connector 34 located outside the insulation box 27, wherein one end of the conductive cable 33 away from the power terminal 32 and one end of the conductive cable 33 away from the detection terminal 4 are respectively disposed on the electrical connector 34, and the electrical connector 34 is provided with a grounding wire (not numbered in the figure). The electric connector 34 is used for being plugged into a butt connector on an external circuit board, so that the relay is quickly conducted with a main circuit on the external circuit board, and the installation efficiency of the relay is improved.
The movable point block 7, the one side that output terminal 3 is close to each other all are equipped with the contact head 35 that is used for contacting, and the contact head 35 spot welding all has two contact heads 35 at movable point block 7, output terminal 3 on every output terminal 3, and the movable point block 7 both ends all have two contact heads 35, and two contact heads 35 of movable point block 7 same one end are used for contacting respectively and switching on two contact heads 35 of same output terminal 3, ensure to contact between the relay steadily and switch on, avoid because of movable point block 7 and output terminal 3 can not normally contact and switch on.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims (8)

1. A multi-contact relay comprises an insulator, a driving mechanism, a conductive piece, two output terminals and two detection terminals, wherein the driving mechanism, the conductive piece, the two output terminals and the two detection terminals are arranged on the insulator; the method is characterized in that: the conductive piece is provided with a main guide piece and two elastic pieces, the elastic pieces are formed by bending the main guide piece, the two elastic pieces are positioned on the same side of the main guide piece, the main guide piece is positioned between the two elastic pieces, the main guide piece is used for contacting and conducting two output terminals, and one ends of the two elastic pieces, far away from the main guide piece, are respectively used for conducting two detection terminals; the driving mechanism comprises an electromagnet and an armature, the electromagnet comprises an insulating frame, an electromagnetic coil, an iron core and a yoke, an inserting column is arranged at one end of the insulating frame, an inserting hole for accommodating the inserting column is formed at one end of the insulating body, the iron core penetrates through the insulating frame, the electromagnetic coil is wound on the outer side of the insulating frame and surrounds the iron core, the yoke is L-shaped, one end of the yoke is arranged at the other end of the insulating body and provided with a fixing pin, a fixing hole for accommodating the fixing pin is formed at the other end of the insulating body, one end of a conductive piece is arranged at the other end of the yoke, the armature is arranged at the other end of the conductive piece, one end of the iron core is in contact with the yoke, and the other end of the iron core is used for attracting the armature to be in contact with the other end of the iron core and one end of the yoke away from the fixing pin; the two output terminals and the two detection terminals are embedded and formed in the insulator, the output terminals and the detection terminals are provided with embedded holes in the insulator, and the fixing parts of the two detection terminals are positioned between the fixing parts of the two output terminals; the insulator comprises a first body and a second body matched with the first body, the first body is provided with a body part and a limiting part protruding from the body part, the output terminals protrude out of one end of the body part close to the limiting part and are bent to form a first contact part, and the first contact parts of the two output terminals are respectively positioned at two sides of the limiting part; the detection terminal protrudes out of the free end of the limiting part and is bent to form a second contact part, and the main guide plate and the elastic sheet are positioned between the first contact part and the second contact part; the guide pins of the two output terminals respectively protrude out of two sides of the body part; the fixed leg is provided with barbs which interfere with the insulator.
2. The multi-contact relay of claim 1, wherein: the conductive piece comprises a fixed end and an elastic end formed by bending the fixed end, the main guide piece is arranged at one end, far away from the fixed end, of the elastic end, the main guide piece is provided with a movable point block, the movable point block is used for contacting and conducting two output terminals, and the movable point block and the elastic piece are respectively positioned at two sides of the main guide piece; the free end of the elastic sheet is provided with a contact bulge, the contact bulge is used for contacting the conduction detection terminal, and the contact bulge is positioned on one side of the elastic sheet far away from the main guide sheet.
3. The multi-contact relay of claim 1, wherein: the yoke has the riveting hole, and riveting hole, fixed foot are located the same end of yoke, and the riveting hole is the rectangle, and the iron core has the rivet joint of holding in the riveting hole, and the shape of rivet joint coincide with the shape of riveting hole, and the yoke has the arc recess with the corner intercommunication of riveting hole.
4. The multi-contact relay of claim 1, wherein: the multi-contact relay further comprises two arc extinguishing magnets and an insulating box buckled with the insulator, wherein the driving mechanism, the conductive piece, the two arc extinguishing magnets, the two output terminals and the two detection terminals are all located in the insulating box, two containing holes for respectively containing the two arc extinguishing magnets are formed in the insulating box, and the two arc extinguishing magnets are used for elongating an arc generated before the main guide piece and the output terminals so as to extinguish the arc.
5. The multi-contact relay of claim 4, wherein: the insulating box is internally provided with a positioning column, the conductive piece and the yoke are provided with positioning holes for accommodating the positioning column, and the conductive piece is positioned between the insulating box and the yoke.
6. The multi-contact relay of claim 4, wherein: the insulation frame is provided with two power terminals, two ends of the electromagnetic coil are respectively communicated with the two power terminals, and the two power terminals and the two detection terminals are respectively electrically connected with a conductive cable protruding out of the insulation box; one output terminal, two detection terminals all have the connector lug of buckling, and the connector lug has the perforation that runs through the connector lug, and the perforation is used for holding and establishes conductive cable.
7. The multi-contact relay of claim 6, wherein: the multi-contact relay further comprises an electric connector located outside the insulation box, wherein one end of the conductive cable, which is far away from the power terminal, and one end of the conductive cable, which is far away from the detection terminal, are respectively arranged on the electric connector, and the electric connector is provided with a grounding wire.
8. The multi-contact relay of claim 2, wherein: the movable point block and the output terminals are arranged on one sides, close to each other, of the movable point block and the output terminals, the contacts are in spot welding connection with the movable point block and the output terminals, each output terminal is provided with two contacts, two ends of the movable point block are respectively provided with two contacts, and the two contacts at the same end of the movable point block are used for respectively contacting and conducting the two contacts of the same output terminal.
CN201910409995.XA 2019-05-16 2019-05-16 Multi-contact relay Active CN110137036B (en)

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CN110137036B true CN110137036B (en) 2024-04-19

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118137214B (en) * 2024-05-08 2024-07-05 远山建安技术有限公司 AC/DC serial complementary power transmission and distribution device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2293128Y (en) * 1997-03-04 1998-09-30 余篮 Improved terminal for high-density connector
CN206727251U (en) * 2017-05-18 2017-12-08 昆山华信隆电子科技有限公司 A kind of USB Type C connectors
CN107680879A (en) * 2017-10-11 2018-02-09 三友联众集团股份有限公司 A kind of magnet coil Improvement type relay
CN209895991U (en) * 2019-05-16 2020-01-03 三友联众集团股份有限公司 Multi-contact relay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2293128Y (en) * 1997-03-04 1998-09-30 余篮 Improved terminal for high-density connector
CN206727251U (en) * 2017-05-18 2017-12-08 昆山华信隆电子科技有限公司 A kind of USB Type C connectors
CN107680879A (en) * 2017-10-11 2018-02-09 三友联众集团股份有限公司 A kind of magnet coil Improvement type relay
CN209895991U (en) * 2019-05-16 2020-01-03 三友联众集团股份有限公司 Multi-contact relay

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