CN110828238B - An electromagnetic relay with a management interface - Google Patents
An electromagnetic relay with a management interface Download PDFInfo
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- CN110828238B CN110828238B CN201911061336.8A CN201911061336A CN110828238B CN 110828238 B CN110828238 B CN 110828238B CN 201911061336 A CN201911061336 A CN 201911061336A CN 110828238 B CN110828238 B CN 110828238B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- Electromagnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electromagnetic relay with a management interface, which comprises a base and an interface shell, wherein a plurality of conductive pins are embedded on the base, one end of each conductive pin is provided with a plug-in part, and the base limits each conductive pin to move along the plug-in direction of the plug-in part; one side end face of the base extends outwards to form two positioning protrusions, a clamping hook is arranged on each positioning protrusion, an interface groove is formed in the interface shell, two positioning holes are formed in the interface shell, each positioning protrusion is inserted into one positioning hole, the clamping hooks of the positioning protrusions are clamped on the outer side face of the interface shell, and the end face of the interface shell, which is close to one side of the base, is mutually matched with the end face of the base to limit; the bottom of the interface groove is provided with a plurality of matching through holes, and each plug-in part penetrates through one matching through hole and is inserted into the interface groove. The management interface has compact structure, easy preparation of parts, easy realization of automatic assembly, prevention of the conductive pins from skewing and falling, improvement of the plugging reliability and realization of more functions.
Description
Technical Field
The invention relates to the technical field of relay manufacture, in particular to an electromagnetic relay with a management interface.
Background
The relay is an electric control device, which is an "automatic switch" that uses a small current to control the operation of a large current. The circuit plays roles of automatic regulation, safety protection, circuit conversion and the like.
In order to conveniently introduce a control power supply and output signals, the conventional relay is connected with the relay by adopting a plug connector, for example, a Chinese patent with a patent number ZL201220694968.5 and a name of 'a magnetic latching relay coil voltage input connection structure' is disclosed in 2013, 07 and 03, and the relay comprises a connector assembly, a relay coil metal contact pin and a first buckle of a relay peripheral plastic body arranged on the periphery of the contact pin; the connector assembly comprises a voltage input signal wire, a metal plug-in terminal and a plastic connector, wherein a second buckle is arranged on the plastic connector; the connector component is fixed on the relay peripheral plastic body through mutual snap fit of the second snap fit of the plastic connector and the first snap fit of the relay peripheral plastic body, and the other end of the metal plug terminal of the connector component is matched with the relay coil metal plug pin in a plug-in mode. After the structure is adopted, a control power supply is conveniently introduced, but the structure is that the metal pins are arranged on the coil framework, then the notches are arranged on the base for arranging the coil framework to enable the inserting ends of the metal pins to extend out, the structure mainly has the problems that coil manufacture is troublesome, the fixing strength of the metal pins is weaker, the external plug shell can not be reliably positioned during inserting, the connection ends of the metal pins and the external plug are matched and positioned, the stress of the metal pins is larger, the metal pins are easy to skew and fall off after multiple inserting and pulling, and the reliability of inserting and electric connection can be affected. In addition, other conductive pins are inconvenient to arrange around the metal pins, and the function is single.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electromagnetic relay with a management interface, which has the advantages of compact structure of the management interface, easy preparation of parts, easy realization of automatic assembly, prevention of deflection and falling of conductive pins, improvement of plugging reliability and realization of more functions.
In order to achieve the above purpose, the technical scheme of the invention is as follows: an electromagnetic relay with a management interface comprises a base, a housing, a coil, a movable reed and a static reed, wherein the coil is arranged on the coil framework, the coil framework is fixedly connected with the base, the housing is fixedly connected with the base, the coil and the movable reed are positioned between the housing and the base, the static reed is fixedly connected with the base, a static contact on the static reed corresponds to a movable contact on the movable reed, the electromagnetic relay further comprises an interface shell, a plurality of conductive pins are embedded on the base, the conductive pins are mutually electrically insulated, one end of each conductive pin is provided with a plug-in part, the plug-in parts are mutually parallel, and the base limits the movement of each conductive pin along the plug-in direction of the plug-in part;
The end face of one side of the base extends outwards to form two positioning bulges, each positioning bulge is provided with a clamping hook, the interface shell is provided with an interface groove, the interface shells on two sides of the interface groove are respectively provided with a positioning hole, each positioning bulge is inserted into one positioning hole, the clamping hooks of the positioning bulges are clamped on the outer side face of the interface shell, one side of the interface shell, which is close to the base, is provided with a limiting end face, and the limiting end face is mutually matched with one side end face of the base for limiting;
the bottom of the interface slot is provided with a plurality of matching through holes, each plug-in part penetrates through one matching through hole and is inserted into the interface slot, and the other end of each conductive pin is electrically connected with the connecting end of the static reed or the electric connecting wire.
Further improvement, the plug-in part of each conductive pin is parallel to the axial direction of the coil; the inner surface of the matching through hole is contacted with the inserted connection part which passes through the matching through hole to support the inserted connection part in an auxiliary way. The assembly strength of the plug-in part can be enhanced, and the reliability of plug-in and electric connection is further improved.
Further improvement, each positioning protrusion is provided with a yielding groove at a position close to the clamping hook, and the yielding groove yields deformation of the clamping hook during assembly; therefore, the assembly performance can be improved, and the clamping hook is convenient to clamp in place.
At least one inner side surface of the interface groove is provided with a clamping through hole matched with the external plug, and when the external plug is inserted into the interface groove, the clamping through hole is matched with a clamping protrusion on the external plug so as to prevent the external plug from being separated from the interface groove.
Preferably, the number of the static spring plates is two, each static spring plate is provided with a plate-shaped base, and each static spring plate is fixedly connected to the outer side face of the base through the plate-shaped base; the number of the conductive pins is four, two conductive pins are electrically connected with the static reed, and the other two conductive pins are electrically connected with two ends of the coil;
the conductive pins electrically connected with the static reed are first conductive pins, two first embedding grooves are formed in the outer side face of the base, each first conductive pin is embedded in one first embedding groove, and the first embedding grooves limit the first conductive pins to move along the inserting direction of the inserting part; the first conductive pins are provided with first conductive clamping parts which are perpendicular to the inserting parts, the plate-shaped base parts of the static spring plates are provided with clamping through holes, and the first conductive clamping parts are in contact fit with the clamping through holes;
The conductive pins electrically connected with one end of the coil are second conductive pins, two second embedding grooves are formed in the inner side face of the base, each second conductive pin is embedded in one second embedding groove, and the second embedding grooves limit the second conductive pins to move along the inserting direction of the inserting part.
Thus, the first conductive pins and the second conductive pins are respectively embedded on the inner side surface and the outer side surface of the base, so that high-low voltage insulation isolation can be formed; on the other hand, the embedded groove of the base has a limiting effect on the first conductive pin and the second conductive pin, so that the loosening of the first conductive pin and the second conductive pin is prevented, and the reliability of the plug connection is improved.
Further improved, the end part of the first conductive clamping part is provided with a U-shaped groove, and the first conductive clamping part is in interference fit with the two inner side surfaces of the clamping through hole by utilizing the two outer side surfaces; chip grooves are formed in the lower portions of two sides of the first conductive clamping portion. So as to ensure that the first conductive clamping part can be assembled in place and ensure the electrical connection performance of the first conductive pin and the static reed.
Further improved, each second conductive pin is provided with a second conductive clamping part, the second conductive clamping parts are perpendicular to the plug-in parts, each second conductive clamping part is provided with a conductive clamping groove, each coil framework is fixedly connected with two coil enameled wire connecting pins, each coil enameled wire connecting pin is provided with an enameled wire winding part and a clamping matching part, one end of each enameled wire winding part is wound with one end of each coil enameled wire to form electric connection, and the clamping matching part of each coil enameled wire connecting pin is clamped into one conductive clamping groove on each second conductive clamping part to form electric connection. Thus, the assembly is convenient, and the electrical connection performance between the second conductive pin and one end of the coil is improved.
Further improved, a part of the three sides of the plate-shaped base on each static reed extends outwards and is bent to form a riveting fixing part, a plurality of corresponding riveting holes are formed in the base, and each riveting fixing part is matched with one riveting hole so that the plate-shaped base is fixedly connected to the outer side face of the base. Therefore, the static reed and the base can be conveniently assembled and fixedly connected, and the preparation efficiency is improved.
Further improvement, a first glue filling space for filling glue is formed between the inner side surface of the plate-shaped base part of each static reed and the base and the housing, a glue injection through hole is formed in the middle of the plate-shaped base part, a glue storage area is formed at the position, corresponding to the glue injection through hole, of the base, and the glue storage area is communicated with the first glue filling space; the housing is provided with a plurality of first exhaust grooves corresponding to the plate-shaped base part, and each first exhaust groove is communicated with the first glue filling space. Therefore, the problem that plastic package cannot be realized when the joint of the base and the housing is covered by the static reed can be solved well.
And in the further step, a first dispensing area and a second dispensing area are respectively formed between the two sides of each plate-shaped base part and the base and the housing, and the first dispensing area and the second dispensing area are communicated with the first glue filling space. This ensures that the first glue space is filled with glue.
Further improvement, a second glue filling space for filling glue is formed between one side of the interface shell and the housing, glue dispensing and storage grooves are formed in two sides of the interface shell, and each glue dispensing and storage groove is communicated with the second glue filling space; and one side of the housing, which corresponds to the interface shell, is provided with a plurality of second exhaust grooves, and each second exhaust groove is communicated with the second glue filling space. So that the relay meets the requirement of plastic package.
Because the plurality of conductive pins are embedded on the base, one end of each conductive pin is provided with the plug-in part, and the base limits each conductive pin to move along the plug-in direction of the plug-in part; then the interface shell is in plug-in fit with two positioning bulges extending outwards from the end surface of one side of the base by utilizing two positioning holes, a clamping hook of each positioning bulge is clamped on the outer side surface of the interface shell, one side of the interface shell, which is close to the base, is provided with a limiting end surface, and the limiting end surface is mutually matched with the end surface of one side of the base for limiting; thus, the base, the interface shell and the conductive pins can be manufactured separately and then assembled together, so that the whole structure is compact; and the base, the interface shell and the conductive pins are convenient to assemble and accurate to position, and automatic assembly is easy to realize. Therefore, the manufacturing difficulty of each part can be greatly reduced, and the manufacturing cost is reduced. And a plurality of required conductive pins can be arranged on the base according to the need, including conductive pins electrically connected with the static reed, conductive pins electrically connected with the coil connecting end and the like, and the plug-in parts of the conductive pins can be inserted into the interface grooves of the interface shell and obtain auxiliary support, so that more functions can be realized by being connected with an external plug.
On the other hand, as the base limits each conductive pin, the interface shell further positions the plug-in part of each conductive pin, each conductive pin is accurately positioned, the assembly strength is better, and the interface groove is used for limiting and positioning the external connector shell, when the plug-in connector is plugged, the plug-in part on the conductive pin is stressed less, so that the conductive pin can be better prevented from being inclined and falling off, and the plugging reliability is improved.
Drawings
FIG. 1 is a top perspective view of the present invention;
FIG. 2 is a top perspective view of the hidden housing of the present invention;
FIG. 3 is a bottom perspective view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a B-B cross-sectional view of FIG. 4;
FIG. 7 is a cross-sectional view of C-C of FIG. 4;
FIG. 8 is an exploded perspective view of the present invention;
fig. 9 is an enlarged view of fig. 8 at D;
FIG. 10 is a top perspective view of the base;
FIG. 11 is a bottom perspective view of the base;
figure 12 is a perspective view of a static reed;
FIG. 13 is a perspective view of a rubber block;
fig. 14 is a perspective view of the cover;
fig. 15 is a perspective view of a first conductive pin;
Fig. 16 is a perspective view of a second conductive pin;
FIG. 17 is a perspective view of an interface housing;
Fig. 18 is another angular perspective view of the interface housing.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 18, an electromagnetic relay with a management interface includes a base 1, a housing 2, a coil 3, a movable reed 4 and two static reeds 5, the housing 2 is fixedly connected with the base 1 in a clamped manner, three clamping limiting parts 21 are arranged at the lower part of the inner side of the housing 2, the base 1 is clamped by the three clamping limiting parts 21, the coil 3 is wound on the coil frame 31, the coil frame 31 is fixedly connected with the base 1, the coil 3, the coil frame 31 and the movable reed 4 are positioned between the base 1 and the housing 2, an iron core 32 is arranged in a central hole of the coil frame 31, a yoke 33 is fixedly connected on the coil frame 31, the yoke 33 is L-shaped, one end of the yoke 33 is fixedly connected with one side of the coil frame 31, the other end of the yoke 33 is parallel to the coil 3, two first clamping fixing legs 331 are arranged at one end of the yoke 33, two second clamping fixing legs 311 are respectively arranged at the lower part of the other side of the coil frame 31, two first clamping fixing holes 11 and two second clamping fixing holes 12 are respectively arranged at corresponding positions on the base 1, the two first clamping fixing legs are respectively matched with the two first clamping fixing legs 331 and the two second clamping fixing holes 11 are respectively matched with the two first clamping fixing holes 11 and are fixedly connected with the two second fixing legs 1.
The movable spring 4 is bent along the middle part, one end of the movable spring 4 is fixedly connected to the other end of the yoke 33, the other end of the movable spring 4 is fixedly connected with the armature 41, and the other end of the movable spring 4 is also provided with two movable contacts 42, specifically: the other end of the movable contact spring 4 is fixedly connected with a conductive plate 43, and two movable contacts 42 are arranged on the conductive plate 43; the armature 41 corresponds to one end of the iron core 32, the other end of the iron core 32 is connected with the yoke 33, each static spring 5 comprises a plate-shaped base 51, one part of one side of the plate-shaped base 51 extends outwards and is bent to form a static contact fixing part 52, the static contact fixing part 52 is perpendicular to the plate-shaped base 51 and is fixedly provided with a static contact 521, and the base 1 is provided with two abdication through holes 13; the two fixed contact pieces 5 are symmetrically structured and are respectively fixedly connected to the outer side surface of the base 1 at intervals by using plate-shaped base parts 51, each fixed contact point fixing part 52 extends between the base 1 and the housing 2 through one yielding through hole 13, and each fixed contact point 521 corresponds to one movable contact point 42 on the movable contact piece 4. The plate-like base 51 portion of each static reed 5 extends out of the housing 2 to form a connecting portion which is fixedly connected to the load connecting terminal by a connecting screw, and which is provided with a connecting through hole 511 through which the connecting screw passes. The lower end face of the housing 2 is parallel to the upper end face of the housing, when the housing 2 is fixedly connected to the base 1, the plate-shaped base 51 of each static spring plate 5 is parallel to the upper end face of the housing 2, and the distance between the lower end face of the plate-shaped base 51 of each static spring plate 5 and the upper end face of the housing 2 is smaller than the distance between the lower end face of the housing 2 and the upper end face of the housing. This can protect the static reed 5 well and prevent the plate-like base 51 of the two static reeds 5 from coming into contact with the conductor to form conduction.
A portion of three sides of the plate-shaped base 51 on each static spring 5 extends outwards and is bent to form a riveting fixing portion 53, the base 1 is provided with corresponding three riveting holes 14 for each static spring 5, and each riveting fixing portion 53 is matched with one riveting hole 14 so that the plate-shaped base 51 is fixedly connected to the outer side face of the base 1. Therefore, the assembly is convenient, and the assembly efficiency is improved.
The base 1 is provided with an assembly area 15 at one side close to the other end of the movable reed 4, a rubber block 6 is fixedly connected to the assembly area 15, and the rubber block 6 limits the movement distance of rebound reset of the other end of the movable reed 4 and provides a buffer function. Noise can be reduced well.
As further shown in fig. 10, 11 and 13, the rubber block 6 includes a block-shaped body 61, two positioning protrusions 62 extend outwards from two sides of the block-shaped body 61, the rubber block 6 forms positioning with the assembly area 15 through the upper and lower sides of the block-shaped body 61 and the two positioning protrusions 62, and the front side of the block-shaped body 61 protrudes from the assembly area 5 and faces the other end of the movable spring 4.
The arrangement structure of the assembly area 15 is specifically: the base 1 is provided with a bottom 1d, one side of the bottom 1d extends upwards to form a side portion 1e, the assembly area 15 includes a groove 150 disposed inside the side portion 1e, the groove 150 extends downwards and penetrates through a part of the bottom 1d, two inner sides of the groove 150 are respectively provided with a clamping groove 151, a lower limit protrusion 16 is disposed at a lower portion of the groove 150 penetrating through one side of the bottom 1d, when the rubber block 6 is mounted in the assembly area 15, a lower side surface of the square main body 61 abuts against the lower limit protrusion 16, an upper side surface of the square main body 61 abuts against the upper side of the groove 150, a front side surface of the square main body 61 protrudes from an inner side surface of the side portion 1e, and two positioning protrusions 62 are respectively matched with the two clamping grooves 151.
The two positioning convex parts 62 are also fastened with the two clamping grooves 151 through glue respectively.
When the housing 2 is fixedly connected with the base 1, one clamping and limiting part 21 on the housing 2 also clamps the lower side surface of the square main body 61 of the rubber block 6, and the lower limiting protrusion 16 and the clamping and limiting part 21 jointly prevent the rubber block 6 from being separated from the base 1.
The two relief through holes 13 are covered with a cover plate 7, and the cover plate 7 also covers a part of each static reed 5; the cover plate 7 is provided with a first adhesive dispensing groove 71, the first adhesive dispensing groove 71 is provided with a plurality of penetrating through holes 72, and each penetrating through hole 72 is communicated with the surface of one static reed 5. Glue can conveniently flow between the outer surface of the static reed 5 and the inner surface of the cover plate 7 through the penetration through holes 72 so as to improve the plastic packaging effect.
Preferably, the penetration holes 72 are circular holes, and a plurality of the penetration holes 72 are divided into two parts, and the interval between adjacent penetration holes 72 of each part is smaller than the diameter of the penetration holes 72. Four hooks 73 are arranged on the cover plate 7, wherein two hooks 73 are clamped on the base 1, and the other two hooks 73 are respectively clamped on the plate-shaped base 51 of the two static springs 5, so that the cover plate 7 is fixedly connected on the base 1.
When the cover plate 7 is fixedly connected to the base 1, a second dispensing groove 74 is formed between part of the edge of the cover plate 7 and the base, the second dispensing groove 74 is communicated with the first dispensing groove 71, and the peripheries of the two yielding through holes 13 are subjected to plastic packaging through the dispensing of the second dispensing groove 74 and the first dispensing groove 71, so that the movable contact point 42 of the movable reed 4 and the fixed contact point 521 on the fixed reed 5 are well protected from oxidation corrosion of external air, and the service life is prolonged.
A first glue filling space 50 for filling glue is formed between the inner side surface of the plate-shaped base part 51 of each static reed 5 and the base 1 and the housing 2, a glue injection through hole 54 is arranged in the middle of the plate-shaped base part 51, a glue storage area 17 is arranged at the position of the base 1 corresponding to the glue injection through hole 54, and the glue storage area 17 is communicated with the first glue filling space 50; the housing 2 is provided with a plurality of first air discharge grooves 22 corresponding to the plate-shaped base 51, and each first air discharge groove 22 is communicated with the first glue filling space 50. The first air discharge grooves 22 prevent air from accumulating in the first paste filling space 50, and prevent air from obstructing the flow of paste.
The base 1 is provided with a first dispensing area 18 and a second dispensing area 19 on two sides of each plate-shaped base 51, and the first dispensing area 18 and the second dispensing area 19 are both communicated with the first glue filling space 50.
By injecting glue into the glue injection through hole 54, the first glue dispensing area 18 and the second glue dispensing area 19, the glue is quickly filled into the first glue filling space 50 for plastic packaging. Wherein the glue entering from the glue injection through hole 54 first reaches the glue storage area 17 and then flows from the glue storage area 17 into the first glue filling space 50.
One end of the base 1 is fixedly connected with an interface shell 8, an interface groove 81 is formed in the interface shell 8, one side end face 1a of the base 1 is outwards extended to form two positioning protrusions 10, each positioning protrusion 10 is provided with a clamping hook 101, two sides of the interface shell 81 are respectively provided with a positioning hole 82, each positioning protrusion 10 is inserted into one positioning hole 82, the clamping hooks 101 of the positioning protrusions 10 are clamped on the outer side face of the interface shell 8, one side, close to the base 1, of the interface shell 8 is provided with a limiting end face 8a, and the limiting end face 8a is mutually matched with one side end face 1a of the base 1 to limit. Each positioning protrusion 10 is provided with a yielding groove 102 near the hook 101, and the yielding groove 102 yields the deformation of the hook 101 when the hook 101 is assembled. So as to facilitate assembly.
Four conductive pins 9 are embedded on the base 1, the conductive pins 9 are mutually electrically insulated, the four conductive pins 9 are positioned between the two positioning protrusions 10, one end of each conductive pin 9 is provided with one plug-in part 90, the four plug-in parts 90 are mutually parallel and are parallel to the axial direction of the coil 3, the bottom of the interface groove 81 is provided with four matching through holes 811, each plug-in part 90 is inserted into the interface groove 81 through one matching through hole 811, the inner surface of the matching through hole 811 is in contact with the penetrated plug-in part 90 to assist in supporting the plug-in part 90, and the other end of each conductive pin 9 is electrically connected with the static reed 5 or the connecting end of the electrically connected coil 3.
The conductive pins 9 electrically connected with the static spring 5 are first conductive pins 91, two first embedding grooves 1b are formed on the outer side surface of the base 1, each first conductive pin 91 is embedded in one first embedding groove 1b, and the first embedding grooves 1b limit the first conductive pins 91 to move along the inserting direction of the inserting part 90; the other end of each first conductive pin 91 is provided with a first conductive clamping part 911, the first conductive clamping part 911 is perpendicular to the plugging part 90, the plate-shaped base part 51 of the static spring 5 is provided with a clamping through hole 55, and the first conductive clamping part 911 is in contact fit with the clamping through hole 55;
the end of the first conductive clamping portion 911 is provided with a U-shaped groove 912, and the first conductive clamping portion 911 is in interference fit with two inner side surfaces of the clamping through hole 55 by using two outer side surfaces. In this way, a better electrical connection effect can be achieved, and a space for giving way can be provided for the deformation of the first conductive clamping portion 911 through the U-shaped groove 912, so that the assembly is facilitated.
The chip grooves 913 are formed in the lower portions of two sides of the first conductive clamping portion 911, and during assembly, metal scraps generated by interference fit of the static reed 5 and the first conductive clamping portion 911 can be accumulated at the chip grooves 913, so that the situation that the assembly is not in place or rebound is caused by accumulation of the metal scraps after the assembly is avoided.
The conductive pins 9 electrically connected with one end of the coil 3 are second conductive pins 92, the two second conductive pins 92 are positioned between the two first conductive pins 91 and are embedded on the inner side surface of the base 1, two second embedded grooves 1c are arranged on the inner side surface of the base 1, each second conductive pin 92 is embedded on one second embedded groove 1c, and the second embedded grooves 1c limit the second conductive pins 92 to move along the inserting direction of the inserting part 90;
Each second conductive pin 92 is provided with a second conductive clamping portion 921, the second conductive clamping portion 921 is perpendicular to the inserting portion 90, each second conductive clamping portion 921 is provided with a conductive clamping groove 922, each coil bobbin 31 is fixedly connected with two coil enameled wire connecting feet 34, each coil enameled wire connecting foot 34 is provided with an enameled wire winding portion 341 and a clamping matching portion 342, each enameled wire winding portion 341 is electrically connected with one end of each coil 3 enameled wire in a winding manner, each clamping matching portion 342 of each coil enameled wire connecting foot 34 is clamped into one conductive clamping groove 922 in each second conductive clamping portion to form an electrical connection, and two outer side faces of each clamping matching portion 342 of each coil enameled wire connecting foot 34 are in contact matching with two inner side faces of each conductive clamping groove 922.
When the housing 2 is fixedly connected to the base 1, a second glue filling space 80 for filling glue is formed between one side of the interface shell 8 and the housing 2, the interface shell 8 is respectively provided with glue dispensing and storing grooves 83 at two sides of the interface groove 81, and each glue dispensing and storing groove 83 is communicated with the second glue filling space 80; a plurality of second exhaust grooves 23 are arranged on one side of the housing 2 corresponding to the interface housing 8, and each second exhaust groove 23 is communicated with the second glue filling space 80. The glue is injected through the two glue dispensing and storing grooves 83, so that the glue fills the second glue filling space 80 to realize the sealing effect. The second air discharge grooves 23 prevent air from accumulating in the second paste filling space 80, and prevent air from obstructing the flow of paste.
One inner side surface of the interface slot 81 on the interface housing 8 is provided with a clamping through hole 84 matched with the external plug, and when the external plug is inserted into the interface slot 81, the clamping through hole 84 is matched with a clamping protrusion on the external plug to prevent the external plug from being separated from the interface slot 81.
When the invention is used, the connecting part of the plate-shaped base 51 of each static reed 5 extending out of the housing 2 is fixedly connected with a load connecting terminal through a connecting screw, the interface groove 81 is spliced with an external plug, a control power is introduced through the external plug to energize the coil 3 through the two second conductive pins 92, the generated magnetic force makes the armature 41 and one end of the iron core 32 attracted, the two static contacts 521 are simultaneously jointed with the two movable contacts 42 of the movable reed 4, the two static reeds 5 are mutually conducted, and the state that the two static reeds 5 are mutually conducted is used for transmitting signals to the outside through the external plug through the two first conductive pins 91. When the external control power is disconnected, the magnetic force disappears, the spring force of the movable spring leaves makes the armature 41 separate from one end of the iron core 32, the two stationary contacts 521 separate from the two movable contacts 42 of the movable spring leaf 4 at the same time, the two stationary spring leaves 5 are disconnected from each other, and the state that the two stationary spring leaves 5 are disconnected from each other also transmits signals to the outside through the two first conductive pins 91 via the external plug.
The above is only one preferred embodiment of the present invention and all equivalent changes to those skilled in the art according to the claims fall within the scope of the present invention.
Claims (10)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061336.8A CN110828238B (en) | 2019-11-01 | 2019-11-01 | An electromagnetic relay with a management interface |
| US17/770,023 US12020879B2 (en) | 2019-11-01 | 2020-10-30 | Electromagnetic relay |
| DE112020005406.3T DE112020005406T5 (en) | 2019-11-01 | 2020-10-30 | ELECTROMAGNETIC RELAY |
| PCT/CN2020/125283 WO2021083331A1 (en) | 2019-11-01 | 2020-10-30 | Electromagnetic relay |
| US18/666,124 US20240304404A1 (en) | 2019-11-01 | 2024-05-16 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061336.8A CN110828238B (en) | 2019-11-01 | 2019-11-01 | An electromagnetic relay with a management interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110828238A CN110828238A (en) | 2020-02-21 |
| CN110828238B true CN110828238B (en) | 2024-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061336.8A Active CN110828238B (en) | 2019-11-01 | 2019-11-01 | An electromagnetic relay with a management interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US12020879B2 (en) | 2019-11-01 | 2024-06-25 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Electromagnetic relay |
| CN112289642B (en) * | 2020-10-24 | 2023-09-05 | 深圳市金泉科技有限公司 | Low-voltage direct-current contactor and production process thereof |
| CN113809597B (en) * | 2021-08-11 | 2024-08-06 | 中航光电科技股份有限公司 | Buckling structure and connector using same |
Citations (1)
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| US7783026B2 (en) * | 2005-12-29 | 2010-08-24 | Aastra Telecom Schweiz Ag | System and method for connecting a port connector to an interface circuit |
| CN205406324U (en) * | 2016-02-27 | 2016-07-27 | 乐清市帝梅洛戈自动化科技有限公司 | Take surge restraines and motor filtering function protects control and protection switch |
| CN206546890U (en) * | 2017-02-24 | 2017-10-10 | 乐清市星火汽车电子有限公司 | Circuit board connector |
| CN208028000U (en) * | 2018-04-17 | 2018-10-30 | 德力西电气有限公司 | Breaker connected structure |
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