CN214672391U - Contact pin type large-current relay of PCB (printed circuit board) - Google Patents
Contact pin type large-current relay of PCB (printed circuit board) Download PDFInfo
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- CN214672391U CN214672391U CN202120804291.5U CN202120804291U CN214672391U CN 214672391 U CN214672391 U CN 214672391U CN 202120804291 U CN202120804291 U CN 202120804291U CN 214672391 U CN214672391 U CN 214672391U
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- contact
- iron core
- connecting hole
- current relay
- linkage rod
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Abstract
The utility model discloses a pin type large current relay of a PCB (printed circuit board), which belongs to the technical field of relays and comprises an electromagnetic component for generating magnetism, a contact component magnetically attracted with the electromagnetic component and a movable slide seat slidably connected with the contact component; the contact assembly comprises a linkage rod, a contact bridge arranged at one end of the linkage rod, a movable iron core fixed on the linkage rod, and an iron core spring arranged between the movable iron core and the electromagnetic assembly; the contact bridge is in contact with or separated from the two static contacts, so that a circuit connected with the two static contacts is connected or disconnected.
Description
Technical Field
The utility model belongs to the technical field of the relay, concretely relates to horizontal heavy current relay of movable contact strip.
Background
Along with the development trend of automobile electronic devices and household electrical appliances in recent years, automobile relays also have a leap development trend, the production, manufacture and market sale of automobile relays in the world are gradually growing, the digitization level of automobiles is probably continuously improved in the estimated future, and the requirements of the automobile manufacturing industry on automobile electronic and electric products are gradually improved;
the PCB relay is largely used in the control module of the automobile electronic device, and compared with the plug-in type, the PCB relay has smaller volume, higher integration level with the nearby electronic circuit and lower cost. The specification of the sales market on automobile goods leads the relay to develop towards the aspects of miniaturization, intelligent systems, heavy load and the like, the existing PCB type automobile relay accounts for about 55%, and the occupation ratio can be continuously increased along with the continuous improvement of the specification of individuation and comfort of the automobile, in addition, the specification of customers on the aspects of safety factor, comfort level, interest and the like in the automobile riding is continuously improved, so that indoor designers of the automobile can not develop improvement or redesign schemes on the existing automobile electronic device control module and electronic circuit, a new performance test scheme is definitely provided for the PCB type automobile relay, the conductivity is deteriorated after a contact bridge on the existing PCB type relay is provided with a connecting hole, and a new pin type heavy current relay needs to be developed to solve the existing problems.
Disclosure of Invention
An object of the utility model is to provide a PCB board contact pin formula heavy current relay has increased electrically conductive area, has improved electric conductive property than current direct perforation, has saved the material, has improved the efficiency of intercommunication.
In order to achieve the above object, the utility model provides a following technical scheme: a pin type large-current relay of a PCB (printed circuit board) comprises an electromagnetic component for generating magnetism, a contact component in magnetic attraction connection with the electromagnetic component, and a movable sliding seat in sliding connection with the contact component;
the contact assembly comprises a linkage rod, a contact bridge arranged at one end of the linkage rod, a movable iron core fixed on the linkage rod, and an iron core spring arranged between the movable iron core and the electromagnetic assembly;
and the contact bridge is in contact with or separated from the two static contacts, so that the circuit connected with the two static contacts is connected or disconnected.
Preferably, the electromagnetic assembly comprises a static iron core and a coil coated on the static iron core.
Preferably, the coil is wound on the coil framework, a magnetic yoke is sleeved on the periphery of the coil framework, and the magnetic yoke is fixed on the supporting plate.
Preferably, the contact bridge is provided with two movable contacts, and the two movable contacts respectively correspond to the fixed contacts.
Preferably, a connecting hole is formed in the center of the contact bridge, and the connecting hole extends outwards after being recessed inwards to form a hollow tubular connecting hole edge.
Preferably, the cross section of the connecting hole is non-circular, the cross section of the connecting hole is the same as that of the linkage rod penetrating through the connecting hole, and the end of the linkage rod is connected with the contact bridge through a screw.
Preferably, the connecting hole is sleeved with one end of a contact bridge pressure spring along the edge, the other end of the contact bridge pressure spring is abutted against the spring flat pad, and the spring flat pad is fixed at the end part of the linkage rod through a screw.
Preferably, the two moving contacts are symmetrically distributed on two sides of the connecting hole, and the two moving contacts are respectively and coaxially distributed with the corresponding fixed contacts.
Preferably, the contact bridge is provided with a sliding groove, and the sliding groove is connected to the movable sliding seat in a sliding manner.
Preferably, a limiting ring is fixed on the linkage rod, the limiting ring abuts against one end of the iron core spring, and the other end of the iron core spring abuts against the static iron core.
The utility model discloses a technological effect and advantage: this PCB board contact pin formula heavy current relay, moreover, the steam generator is simple in structure, high durability and convenient use, put at the central point of touching the bridge and be equipped with the connecting hole on the one hand, the connecting hole extends towards the outside after inwards caving in and forms hollow tubulose connecting hole border, the connecting hole border has increased electrically conductive area, direct perforation has improved electric conductive property than current, the material has been saved simultaneously, on the other hand, touch the bridge and seted up the spout, spout sliding connection is on removing the slide, make the contact of movable contact and stationary contact more accurate, the efficiency of intercommunication has been improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention without a magnetic yoke;
FIG. 3 is a schematic structural view of the present invention without coil bobbin installed;
fig. 4 is a schematic structural view of the contact assembly without the movable iron core of the present invention;
FIG. 5 is a schematic sectional view of the contact bridge of the present invention;
FIG. 6 is a schematic diagram of the contact bridge of the present invention with an oblique 45-degree structure;
fig. 7 is a top view of the contact bridge of the present invention.
In the figure: 1. a contact assembly; 2. a stationary iron core; 3. a coil bobbin; 4. A coil pin; 5. a stationary contact; 6. a spring flat pad; 7. a contact bridge pressure spring; 8. a magnetic yoke; 9. a housing base; 11. a movable iron core; 12. a linkage rod; 13. contacting the bridge; 14. an iron core spring; 31. a coil bobbin; 51. a wiring board; 91. moving the slide; 92. A support plate; 121. a limiting ring; 131. a movable contact; 132. the connecting hole is arranged along the edge; 133. connecting holes; 134. a chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
the utility model provides a pin type large current relay of PCB board as shown in figures 1-7, which comprises an electromagnetic component for generating magnetism, a contact component 1 magnetically connected with the electromagnetic component, and a movable sliding seat 91 slidably connected with the contact component 1; in this embodiment, the cross section of the movable sliding seat 91 is convex, the sliding rail on the upper portion of the movable sliding seat is matched with the sliding groove 134, and in order to better connect with the sliding groove 134 in a sliding manner, a fillet treatment is performed on the contact surface between the sliding rail and the sliding groove 134, so that the contact bridge 13 moves more smoothly along the sliding rail;
the electromagnetic assembly comprises a static iron core 2 and a coil coated on the static iron core 2; two ends of the coil are respectively welded on two coil pins 4, and the two coil pins 4 are fixed on a shell base 9; the coil is wound on the coil framework 31, the magnetic yoke 8 is sleeved on the periphery of the coil framework 31, and the magnetic yoke 8 is fixed on the supporting plate 92; in this embodiment, a magnetic yoke flat pad is arranged between the magnetic yoke 8 and the support plate 92, the magnetic yoke flat pad is in a circular ring shape, the support plate 92 is vertically fixed on the housing base 9, and the housing base 9 is provided with a housing upper cover to protect internal components;
the contact assembly 1 comprises a linkage rod 12, a contact bridge 13 sleeved at one end of the linkage rod 12, a movable iron core 11 fixed on the linkage rod 12, and an iron core spring 14 arranged between the movable iron core 11 and the electromagnetic assembly; the contact bridge 13 is provided with two symmetrical moving contacts 131, the two moving contacts 131 respectively correspond to the fixed contacts 5, and the two moving contacts 131 are respectively coaxially distributed with the corresponding fixed contacts 5; the center position of the contact bridge 13 is provided with a connecting hole 133, the connecting hole 133 is inwards recessed and extends outwards to form a hollow tubular connecting hole edge 132, the conductive area is increased, the conductivity is improved, in order to prevent the linkage rod 12 from rotating in the connecting hole 132 during installation, the shape of the cross section of the connecting hole 132 is the same as that of the cross section of the linkage rod 12 penetrating through the connecting hole 132, the shape of the cross section of the connecting hole 132 is non-circular, and the contact bridge 13 is connected to the linkage rod 12 at the end part of the linkage rod 12 by a screw;
the contact bridge 13 is provided with a sliding chute 134, and the sliding chute 134 is connected to the movable sliding seat 91 in a sliding manner; the circle center of the connecting hole 133 is overlapped with the axis of the sliding groove 134, the cross section of the sliding groove 134 is U-shaped and matched with the design of a fillet on the sliding rail, so that the sliding is smoother;
the contact bridge 13 is contacted with or separated from the two static contacts 5, the two static contacts 5 are respectively welded on the wiring boards 51, the two wiring boards 51 are respectively connected and fixed on the shell base 9, and the two wiring boards 51 are respectively connected with circuits to be controlled;
a limiting ring 121 is fixed on the linkage rod 12, the movable iron core 11 is fixed between the limiting ring 121 and the contact bridge 13, or the end surface of the movable iron core 11 is flush with the end surface of the limiting ring 121, the limiting ring 121 abuts against one end of the iron core spring 14, and the other end of the iron core spring 14 abuts against the stationary iron core 2.
Example 2:
the utility model provides a pin type large current relay of PCB board as shown in figures 1-7, which comprises an electromagnetic component for generating magnetism, a contact component 1 magnetically connected with the electromagnetic component, and a movable sliding seat 91 slidably connected with the contact component 1; in this embodiment, the cross section of the movable sliding seat 91 is convex, the sliding rail on the upper portion of the movable sliding seat is matched with the sliding groove 134, and in order to better connect with the sliding groove 134 in a sliding manner, a fillet treatment is performed on the contact surface between the sliding rail and the sliding groove 134, so that the contact bridge 13 moves more smoothly along the sliding rail;
the electromagnetic assembly comprises a static iron core 2 and a coil coated on the static iron core 2; two ends of the coil are respectively welded on two coil pins 4, and the two coil pins 4 are fixed on a shell base 9; the coil is wound on the coil framework 31, the magnetic yoke 8 is sleeved on the periphery of the coil framework 31, and the magnetic yoke 8 is fixed on the supporting plate 92; in this embodiment, a magnetic yoke flat pad is arranged between the magnetic yoke 8 and the support plate 92, the magnetic yoke flat pad is in a circular ring shape, the support plate 92 is vertically fixed on the housing base 9, and the housing base 9 is provided with a housing upper cover to protect internal components;
the contact assembly 1 comprises a linkage rod 12, a contact bridge 13 sleeved at one end of the linkage rod 12, a movable iron core 11 fixed on the linkage rod 12, and an iron core spring 14 arranged between the movable iron core 11 and the electromagnetic assembly; the contact bridge 13 is provided with two symmetrical moving contacts 131, the two moving contacts 131 respectively correspond to the fixed contacts 5, and the two moving contacts 131 are respectively coaxially distributed with the corresponding fixed contacts 5; the center position of the contact bridge 13 is provided with a connecting hole 133, the connecting hole 133 is inwards recessed and extends outwards to form a hollow tubular connecting hole edge 132, the conductive area is increased, the conductivity is improved, in order to prevent the linkage rod 12 from rotating in the connecting hole 132 during installation, the shape of the cross section of the connecting hole 132 is the same as that of the cross section of the linkage rod 12 penetrating through the connecting hole 132, the shape of the cross section of the connecting hole 132 is non-circular, and the contact bridge 13 is connected to the linkage rod 12 at the end part of the linkage rod 12 by a screw;
one end of a contact bridge pressure spring 7 is sleeved on the connecting hole edge 132, the other end of the contact bridge pressure spring 7 is abutted against a spring flat pad 6, and the spring flat pad 6 is fixed at the end part of the linkage rod 12 by a screw; the contact bridge 13 is provided with a sliding chute 134, and the sliding chute 134 is connected to the movable sliding seat 91 in a sliding manner; the circle center of the connecting hole 133 is overlapped with the axis of the sliding groove 134, the cross section of the sliding groove 134 is U-shaped and matched with the design of a fillet on the sliding rail, so that the sliding is smoother;
the contact bridge 13 is contacted with or separated from the two static contacts 5, the two static contacts 5 are respectively welded on the wiring boards 51, the two wiring boards 51 are respectively connected and fixed on the shell base 9, and the two wiring boards 51 are respectively connected with circuits to be controlled;
a limiting ring 121 is fixed on the linkage rod 12, the movable iron core 11 is fixed between the limiting ring 121 and the contact bridge 13, or the end surface of the movable iron core 11 is flush with the end surface of the limiting ring 121, the limiting ring 121 abuts against one end of the iron core spring 14, and the other end of the iron core spring 14 abuts against the stationary iron core 2.
The working principle is as follows: the PCB board contact pin type heavy current relay firstly connects the circuit electrodes to be controlled to the wiring board 51, the electrodes of the switch circuit are connected to the coil pins 4, when the coil pins 4 are electrified, the coil is electrified, the current generates magnetic effect through the coil, the static iron core 2 attracts the movable iron core 11 to move towards the movable iron core against the resistance of the iron core spring 14, the linkage rod 12 is driven to move along with the coil, the contact bridge 13 moves along the linkage rod 12, at the moment, the sliding chute 134 slides along the track of the movable sliding seat 91, two movable contacts 131 on the contact bridge 13 are respectively contacted with the corresponding static contacts 5, the currents of the two static contacts 5 are communicated through the contact bridge 13, when the coil pins 4 are electrified, the magnetic effect of the currents disappears, the movable iron core 11 is far away from the static iron core 2 under the elastic action of the iron core spring 14, the linkage rod 12 is driven to move along with the linkage rod 12, the contact bridge 13 is driven to move towards the same direction, the two movable contacts 131 on the contact bridge 13 are respectively separated from the corresponding static contacts 5, the current of the two static contacts 5 is lack of a medium and cannot be communicated, so that on-off operation is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a PCB board contact pin formula heavy current relay which characterized in that: comprises an electromagnetic component for generating magnetism, a contact component (1) magnetically connected with the electromagnetic component, and a movable sliding seat (91) slidably connected with the contact component (1);
the contact assembly (1) comprises a linkage rod (12), a contact bridge (13), a movable iron core (11) fixed on the linkage rod (12), and an iron core spring (14) arranged between the movable iron core (11) and the electromagnetic assembly, wherein the contact bridge (13) is installed at one end of the linkage rod (12);
the contact bridge (13) is provided with two movable contacts (131), and the two movable contacts (131) respectively correspond to the fixed contact (5).
2. The PCB pin type high-current relay of claim 1, wherein: the electromagnetic assembly comprises a static iron core (2) and a coil coated on the static iron core (2).
3. The PCB pin type high-current relay of claim 2, wherein: the coil twines on coil skeleton (31), coil skeleton (31) periphery cover is equipped with yoke (8), yoke (8) are fixed in backup pad (92).
4. The PCB pin type high-current relay of claim 1, wherein: the contact bridge is characterized in that a connecting hole (133) is formed in the center of the contact bridge (13), and the connecting hole (133) is inwards recessed and then extends towards the outer side to form a hollow tubular connecting hole edge (132).
5. The PCB pin type high-current relay of claim 4, wherein: the cross section of the connecting hole (133) is non-circular, the cross section of the connecting hole (133) is the same as that of the linkage rod (12) penetrating through the connecting hole, and the end of the linkage rod (12) is connected with the contact bridge (13) through a screw.
6. The PCB pin type high-current relay of claim 4, wherein: the connecting hole edgewise (132) go up the cover and be equipped with and touch bridge pressure spring (7), touch bridge pressure spring (7) other end and contradict on flat pad of spring (6), flat pad of spring (6) are fixed at trace (12) tip with the screw.
7. The PCB pin type high-current relay of claim 1, wherein: the two moving contacts (131) are symmetrically distributed on two sides of the connecting hole (133), and the two moving contacts (131) are respectively and coaxially distributed with the corresponding fixed contact (5).
8. The PCB pin type high-current relay of claim 1, wherein: the contact bridge (13) is provided with a sliding groove (134), and the sliding groove (134) is connected to the movable sliding seat (91) in a sliding mode.
9. The PCB contact pin type high current relay according to any one of claims 1 to 8, wherein: a limiting ring (121) is fixed on the linkage rod (12), the limiting ring (121) abuts against one end of an iron core spring (14), and the other end of the iron core spring (14) abuts against a static iron core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804291.5U CN214672391U (en) | 2021-04-20 | 2021-04-20 | Contact pin type large-current relay of PCB (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804291.5U CN214672391U (en) | 2021-04-20 | 2021-04-20 | Contact pin type large-current relay of PCB (printed circuit board) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672391U true CN214672391U (en) | 2021-11-09 |
Family
ID=78464679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120804291.5U Active CN214672391U (en) | 2021-04-20 | 2021-04-20 | Contact pin type large-current relay of PCB (printed circuit board) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672391U (en) |
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2021
- 2021-04-20 CN CN202120804291.5U patent/CN214672391U/en active Active
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