CN101800138B - Electromagnetic relay and assembling method of electromagnetic unit thereof - Google Patents
Electromagnetic relay and assembling method of electromagnetic unit thereof Download PDFInfo
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- CN101800138B CN101800138B CN2009100040309A CN200910004030A CN101800138B CN 101800138 B CN101800138 B CN 101800138B CN 2009100040309 A CN2009100040309 A CN 2009100040309A CN 200910004030 A CN200910004030 A CN 200910004030A CN 101800138 B CN101800138 B CN 101800138B
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Abstract
The invention relates to an electromagnetic relay and an assembling method of an electromagnetic unit thereof. The electromagnetic relay comprises a shell block, an electromagnetic unit and a switch unit, wherein the electromagnetic unit is provided with a magnetic coil holder set, at least one coil assembly and at least one pair of wire wrap end pins. The assembling method comprises the following steps of: firstly, penetrating the wire wrap end pins through the coil holder set and arranging in parallel along the direction of a minor axis of the coil holder set; then winding the coil assembly to the coil holder set by taking one of the two wire wrap end pins as the starting end of the coil assembly, and bending the wire wrap end pins along the direction of a long axis by taking the other wire wrap end pin as a terminating end of the coil assembly; and finally, clamping the switch unit and the electromagnetic unit into a whole and encapsulating in the shell block. Thereby, the volume of the electromagnetic unit is reduced by the concealed wire wrap end pins, and the goal of automated assembling work is achieved by an assembling mode of bending and clamping.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of electromagnetic action that utilizes and reach the electromagnetic relay that control signal transmits and the assemble method of electromagnetic unit thereof.
Background technology
Consulting Fig. 1, Fig. 2, is example with the electromagnetic relay 1 of No. 4881053 case of United States Patent (USP), mainly comprises a shell block 11, and is encapsulated in an electromagnetic unit 12 and a switch element 13 in this shell block 11.This electromagnetic unit 12 has a coil holder 121, pass these coil holder 121 2 opposite sides two couples coiling pin 122, pass these coil holder 121 other two opposite sides and respectively with these two pairs of conductive connecting pins 123 that coiling pin 122 is connected, and be wrapped in a coil groups 124 of this coil holder 121 for clearing end for initiating terminal, another coiling pin 122 by a coiling pin 122 wherein.This switch element 13 have with the upper and lower folded mutually terminal bases 131 of this electromagnetic unit 12, a pair of connecting terminal altogether 132, two pairs that are embedded in this terminal base 131 and the spacing of being separated by connect terminal 133, respectively with these two pairs of conducting terminals 134 that conductive connecting pin 123 is connected, and connect with connecting terminal 132 altogether and with a lead piece 135 of lever principle beat action.
When these lead piece 135 1 ends receive this electromagnetic action to conductive connecting pin 123; Will beat to connecting this to connecting terminal 133, make this to connecting terminal 132 altogether with should form paths to connecting terminal 133, when this lead piece 135 does not receive electromagnetic action; This lead piece 135 can break away from should be to connecting terminal 133; Make this to being total to connecting terminal 132 and should opening circuit, whereby, reach the open and close effect connecting terminal 133 formation.
Yet; Because this passes this coil holder 111 2 opposite sides to coiling pin 112, therefore, this terminal base 131 is in order embedding to put in order the electromagnetic unit 12 of group; Must expand relatively and prolong whole volume; And 131 of this electromagnetic unit 12 and this terminal bases do not have any inlay card design, and easy shaking is arranged, and cause this that conductive connecting pin 123 and this are had the inaccurate situation of contraposition to conducting terminal 134.
Importantly; At aforementioned altogether connecting terminal 132, connect that terminal 133, conducting terminal 134 are embedded in these terminal base 131 2 sides respectively and under the situation of outstanding this terminal base 131; Causing must be with manual type, in aforementioned connecting terminal 132 altogether, connect terminal 133, conducting terminal 134 1 ends, carries out the weld job of solder joint; Not only consume process time and manpower, and can't promote production capacity.
Summary of the invention
The objective of the invention is to simplify assembly program providing a kind of, and promote the electromagnetic relay of production capacity and the assemble method of electromagnetic unit thereof.
Electromagnetic relay of the present invention comprises a shell block, an electromagnetic unit, and a switch element.This electromagnetic unit has a magnetic coil holder group, is wrapped at least one coil groups of this coil holder group; And at least one pair of solderless wrapped connection end pin that should coil groups; This has a conductive segment that is emerging in this coil holder group one short-axis direction respectively to solderless wrapped connection end pin, and with these coil groups two end solderless wrapped connections and the solderless wrapped connection section of extending along this coil holder group one long axis direction.This switch element engages for one is encapsulated in this shell block with this electromagnetic unit along this axis direction, and has a terminal group that passes this shell block, and receives the electromagnetic action of this electromagnetic unit and this terminal group to produce a lead piece of open and close effect; Wherein, said coil holder group has a pair of hack lever of being separated by a spacing and extending along short-axis direction along long axis direction, and runs through at least one pair of perforation of at least one hack lever; The conductive segment of said a pair of solderless wrapped connection end pin is inverted L shape, passes aforementioned perforation along said axis direction respectively, and hangs from above on said coil holder group; And wherein, said switch element has around said axis and defines a scarfing seat of an opening, and said scarfing seat and said terminal group are chimeric; And has an a pair of buckle that is formed at least two relative inner surfaces; Said electromagnetic unit is set in the said opening, and has two grooves that are formed on said coil holder group at least two opposing outer face and supply said a pair of buckle to fasten, wherein; Said scarfing seat also has a pair of breach that is formed at least one side and is communicated with said opening; The conductive segment of said a pair of solderless wrapped connection end pin and said coil holder group one are distolateral concordant and be emerging in the said a pair of breach, and aforementioned solderless wrapped connection section to be hidden in said a pair of hack lever inboard, wherein; Said terminal group have be embedded in said scarfing seat one end face and a pair of connecting terminal altogether that extends along the bending of said scarfing seat two opposite side faces spaced apartly, at least one pair of connects terminal; And at least one pair of conducting terminal, said pair of conductive terminal and the said a pair of terminal spacing of being separated by that connects, and connect with the conductive segment of said a pair of solderless wrapped connection end pin; Wherein, Said lead piece has a fixing junction, and is at least one pair of movable junction of fulcrum beat action with said fixedly junction, and said fixedly junction connects with said a pair of common connecting terminal; Said a pair of movable junction receives the conduction power effect of said conducting terminal; Connecting a said a pair of via positions that connects terminal and breaking away from beat between a said a pair of off position that connects the terminal solder joint, wherein, said terminal group also has and is welded on said a pair of connecting terminal, said a pair of several butt welding point that connect terminal and be emerging in said scarfing seat end face respectively altogether; Wherein, said a pair of connecting terminal, the said a pair of solder joint that connects terminal altogether once weld formation with the mode of laser welding respectively.
According to aforementioned, the assemble method of electromagnetic unit of the present invention comprises the following step: step 1: with this solderless wrapped connection end pin is run through this coil holder group and arranged side by side along this coil holder group one short-axis direction.Step 2: begin to twine this coil groups in this coil holder group as an initiating terminal of this coil groups by a solderless wrapped connection end pin wherein.Step 3: with the clearing end of another solderless wrapped connection end pin as this coil groups.Step 4: bend this to solderless wrapped connection end pin along this coil holder group one long axis direction; Make this magnetic coil holder group, this coil groups, this is combined as an electromagnetic unit to solderless wrapped connection end pin; Wherein, said electromagnetic unit assemble method also includes a step 5: with the scarfing seat fit and the said electromagnetic unit of snapping of said switch element, wherein; Said electromagnetic unit assemble method also includes a step 6: the said relatively terminal group welding of an end face that appears in said scarfing seat forms several butt welding point; And connect said lead piece, wherein, the solder joint of said switch element once welds formation with the mode of laser welding respectively.
Beneficial effect of the present invention is: can reach the assembling mode with bending, engaging with the volume of built-in this electromagnetic unit of solderless wrapped connection end pin reduction, realize the purpose of automation assembling operation.
Description of drawings
Fig. 1 is a three-dimensional exploded view, and No. 4881053 case of United States Patent (USP) is described;
Fig. 2 is an assembled sectional view of No. 4881053 case of aforesaid U.S. Patent;
Fig. 3 is a three-dimensional exploded view, and a preferred embodiment of the present invention's one electromagnetic relay is described;
Fig. 4 is an assembled sectional view of the preferred embodiment;
Fig. 5 is the three-dimensional exploded view that a pair of solderless wrapped connection end pin runs through a coil holder in the preferred embodiment;
Fig. 6 is the stereogram that this coil holder twines a coil groups in the preferred embodiment;
Fig. 7 is this three-dimensional exploded view to solderless wrapped connection end pin of bending in the preferred embodiment;
Fig. 8 is a three-dimensional exploded view of a scarfing seat and a terminal group in the preferred embodiment;
Fig. 9 is the stereogram that an electromagnetic unit docks with a switch element in the preferred embodiment; And
Figure 10 explains a flow chart of electromagnetic unit assemble method in the preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated:
Consult Fig. 3 and Fig. 4, a preferred embodiment of electromagnetic relay of the present invention comprises a shell block 2, an electromagnetic unit 3, and a switch element 4.
This shell block 2 has each other involutory and be used to encapsulate one first housing 21 and one second housing 22 of this electromagnetic unit 3 and this switch element 4 along an axis X direction.
This electromagnetic unit 3 has a magnetic coil holder group 31, a coil groups 32, and a pair of solderless wrapped connection end pin 33.This coil holder group 31 have a coil holder 310 supplying this coil groups 32 to twine, along a long axis direction be formed on this coil holder 310 2 a pair of hack levers 311 distolateral and that extend along a short-axis direction and these coil holder 310 one ejection formations an iron core 312, be embedded in this coil holder 310 a permanent magnet 313, be formed on this two grooves 314 along long axis directions to hack lever 311 2 opposing outer face, and run through this two couples perforation 315 to hack lever along this axis X direction.This has respectively along these coil holder group 31 short-axis directions solderless wrapped connection end pin 33 and passes this to boring a hole 315 and be a conductive segment 331 of inverted L shape, and with these coil groups 32 2 end solderless wrapped connections and the solderless wrapped connection section 332 of extending along these coil holder group 31 long axis directions.This conductive segment 331 is distolateral concordant with this coil holder 310.Aforementioned solderless wrapped connection section 332 is hidden in this to hack lever 311 inboards.
This switch element 4 have around this axis and define an opening 40 a scarfing seat 41, be embedded in a terminal group 42 of this scarfing seat 41 and a lead piece 43.This opening 40 supplies this electromagnetic unit 3 ccontaining.This scarfing seat 41 has a pair of buckle 411 that is formed on two relative inner surfaces, towards an end face 412 of this lead piece 43, and be formed on two distolateral and be communicated with a pair of breach 413 of this opening 40.This fastens the groove 314 of buckle 411 with this coil holder group 31, makes this conductive segment 331 to solderless wrapped connection end pin 33 be emerging in this in the breach 413.This terminal group 42 has a pair of connecting terminal altogether that is embedded in these scarfing seat 41 end faces 412 spaced apartly and extends along the bending of this scarfing seat 441 2 opposite side faces 421, two pairs and connects terminal 422, two pairs of conducting terminals 423, and is welded on this to connecting terminal 421 altogether and pair of conductive terminal 423 wherein and be emerging in three butt welding point 424,425,426 of these scarfing seat 41 end faces 412 and breach 413.The wherein a pair of conducting terminal 423 that is provided with solder joint 426 connects with this conductive segment 331 to solderless wrapped connection end pin 33.This lead piece 43 has and should connect a fixing junction 431 to connecting terminal 421 altogether, and with this fixedly junction 431 be the movable junction 432,433 of two couples that the fulcrum beat moves.
Consult Figure 10, below promptly to electromagnetic unit 3 assemble methods of electromagnetic relay of the present invention and combine explanation of embodiment step as back:
Step 51: consult Figure 10, Fig. 5, solderless wrapped connection end pin 33 run through the perforation 315 of this coil holder group 31 along this axis X direction with this, make be inverted L shape this to solderless wrapped connection end pin 33 side by side and bridge at this coil holder 310 along the short-axis direction of this coil holder 310.
Step 52: consult Figure 10, Fig. 6,, begin to twine this coil groups 32 in this coil holder 310 by the solderless wrapped connection section 332 of a solderless wrapped connection end pin 33 wherein a initiating terminal as this coil groups 32.
Step 53: with the solderless wrapped connection section 332 of another solderless wrapped connection end pin 33 a clearing end as this coil groups 32.On the practice, can be on after the coiling scolding tin (not shown), coil groups 32 is fixed on this solderless wrapped connection end pin 33.
Step 54: consult Figure 10, Fig. 7, along this solderless wrapped connection section 332 of this coil holder 310 long axis directions bending, make this coil holder group 31, this coil groups 32, this is combined as this electromagnetic unit 3 to solderless wrapped connection end pin 33 to solderless wrapped connection end pin 33.
Step 55: consult Figure 10, Fig. 8, imbed with a slice terminal plate 42 ' and be molded over this scarfing seat 41 end faces 412, and be bent to form this to being total to connecting terminal 421, the aforementioned terminal 422 that connects, reach this to conducting terminal 423 along these scarfing seat 41 2 opposite side faces.
Step 56: consult Figure 10; And Fig. 8, Fig. 9, with opening 40 covers of this scarfing seat 41 should electromagnetic unit 3 makes this scarfing seat 41 fasten with the groove 314 of aforementioned buckle 411 with this coil holder 31; And be combined as a whole, and this is connected to conducting terminal 423 and this conductive segment 331 to solderless wrapped connection end pin 33.At this moment, this conductive segment 331 to solderless wrapped connection end pin 33 is distolateral concordant with this coil holder 310, and is emerging in the breach 413 of this scarfing seat 41, and 332 of aforementioned solderless wrapped connection sections are hidden in this to hack lever 311 inboards.
Step 57: with this to connecting terminal 421 altogether, this is revealed in the characteristics of these scarfing seat 41 end faces 412 and breach 413 to connecting terminal 422, just can utilize the mode of laser welding, once the aforementioned solder joint 424,425,426 of welding formation.
Step 58: consult Fig. 4, be connected on this solder joint 424 to connecting terminal 421 altogether with the fixedly junction 431 of this lead piece 43.
Step 59:, and this terminal group 42 is passed by this two housing 22 with these shell block 2 encapsulation aforementioned electromagnetic unit 3 and this switch element 4.
When this to conducting terminal 423 conducting electric currents, and when by this solderless wrapped connection end pin 33 being conducted to this coil groups 32, this electromagnetic unit 3 can produce electromagnetic actions; Attract the movable junction 432 of this lead piece 43; Make this activity junction 432 with this fixedly junction 431 be fulcrum, beat wherein a pair ofly connects terminal 422 and is positioned at a via positions to connecting, make this to connecting terminal 421 altogether with should form paths to connecting terminal 422; When this lead piece 43 does not receive electromagnetic action; The movable junction 432 of this lead piece 43 can break away from should be to connecting terminal 422, and be positioned at an off position, make this to connecting terminal 421 altogether with should form and opened circuit connecting terminal 422; Whereby, reach the open and close effect.
What deserves to be mentioned is; The present invention also can be provided with two pairs of solderless wrapped connection end pin 33 (not shown)s, cooperates two pairs of conducting terminals 423 again, and has the pattern of two conductions; It mainly is when two pairs of conducting terminals, 423 difference conducting electric currents; Make the movable junction 432,433 of this lead piece 43 receive electromagnetic action respectively, should be positioned at via positions or off position to connecting terminal 422 relatively respectively, reach the purpose of two groups of control signals of transmission.Because two groups of control signals of transmission are prior art, no longer specify.
Can know that according to the above the assemble method of electromagnetic relay of the present invention and electromagnetic unit thereof has advantage and effect:
1, because this conductive segment 331 to solderless wrapped connection end pin 33 is distolateral concordant with this coil holder 310, and aforementioned solderless wrapped connection section 332 is hidden in this to hack lever 311 inboards, not only can not expose, and can reduce the volume of these electromagnetic unit 3 integral body.
2 and the exposed design of this terminal group 42; And with this solderless wrapped connection end pin 33 special dock form, make this conductive segment 331 can be emerging in this in the breach 413, whereby to solderless wrapped connection end pin 33; The present invention can utilize the mode of laser welding; Once welding forms 3 to (or 4 pairs) solder joint 424,425,426, and can simplify processing procedure, and reduces man-hour.
3, this electromagnetic unit 3 and this scarfing seat 41 of being combined as a whole with the snapping mode except can promoting the fashionable precision, and can replace manual work with automated job, and then reduce the artificial treatment step, and improve production capacity efficient.
Claims (4)
1. electromagnetic relay is characterized in that it comprises:
A shell block;
An electromagnetic unit; Have a magnetic coil holder group, be wrapped at least one coil groups of said coil holder group; And at least one pair of solderless wrapped connection end pin of corresponding said coil groups; Said a pair of solderless wrapped connection end pin has a conductive segment that is emerging in said coil holder group one short-axis direction respectively, reaches a solderless wrapped connection section of extending with said coil holder group one long axis direction of said coil groups two end solderless wrapped connections and edge; And
A switch element; Engage with said electromagnetic unit for one along an axis direction and to be encapsulated in the said shell block; And have a terminal group that passes said shell block, and receive the electromagnetic action of said electromagnetic unit and said terminal group to produce a lead piece of open and close effect
Wherein, Said coil holder group has a pair of hack lever of being separated by a spacing and extending along short-axis direction along long axis direction; And running through at least one pair of perforation of at least one hack lever, the conductive segment of said a pair of solderless wrapped connection end pin is inverted L shape, passes aforementioned perforation along said axis direction respectively; And hang from above on said coil holder group
Wherein, Said switch element has around said axis and defines a scarfing seat of an opening; Said scarfing seat and said terminal group are chimeric, and have a pair of buckle that is formed at least two relative inner surfaces, and said electromagnetic unit is set in the said opening; And have two grooves that are formed on said coil holder group at least two opposing outer face and supply said a pair of buckle to fasten
Wherein, Said scarfing seat also has a pair of breach that is formed at least one side and is communicated with said opening; The conductive segment of said a pair of solderless wrapped connection end pin and said coil holder group one are distolateral concordant and be emerging in the said a pair of breach, and aforementioned solderless wrapped connection section to be hidden in said a pair of hack lever inboard
Wherein, Said terminal group have be embedded in said scarfing seat one end face and a pair of connecting terminal altogether that extends along the bending of said scarfing seat two opposite side faces spaced apartly, at least one pair of connects terminal; And at least one pair of conducting terminal; Said pair of conductive terminal and the said a pair of terminal spacing of being separated by that connects, and connect with the conductive segment of said a pair of solderless wrapped connection end pin
Wherein, Said lead piece has a fixing junction; Reaching with said fixedly junction is at least one pair of movable junction of fulcrum beat action, and said fixedly junction and said a pair of connecting terminal altogether connect, and said a pair of movable junction receives the conduction power effect of said conducting terminal; Connect a said a pair of via positions that connects terminal and breaking away from beat between a said a pair of off position that connects the terminal solder joint
Wherein, said terminal group also has and is welded on said a pair of altogether connecting terminal, said a pair of several butt welding point that connect terminal and be emerging in said scarfing seat end face respectively,
Wherein, said a pair of connecting terminal, the said a pair of solder joint that connects terminal altogether once weld formation with the mode of laser welding respectively.
2. like 1 described electromagnetic relay of claim the, it is characterized in that said shell block has involutory one first housing and one second housing each other, said terminal group is passed by said second housing.
3. electromagnetic unit assemble method according to each described electromagnetic relay among the claim 1-2, said assemble method comprises the following step:
Step 1: run through said coil holder group and arranged side by side along said coil holder group one short-axis direction with said a pair of solderless wrapped connection end pin;
Step 2: begin to twine said coil groups in said coil holder group as an initiating terminal of said coil groups by a solderless wrapped connection end pin wherein;
Step 3: with the clearing end of another solderless wrapped connection end pin as said coil groups; And
Step 4: bend said a pair of solderless wrapped connection end pin along said coil holder group one long axis direction, make said magnetic coil holder group, said coil groups, said a pair of solderless wrapped connection end pin be combined as an electromagnetic unit,
Wherein, said electromagnetic unit assemble method also includes a step 5: with the scarfing seat fit and the said electromagnetic unit of snapping of said switch element,
Wherein, said electromagnetic unit assemble method also includes a step 6: the said relatively terminal group welding of an end face that appears in said scarfing seat forms several butt welding point, and connects said lead piece,
Wherein, the solder joint of said switch element once welds formation with the mode of laser welding respectively.
4. like the electromagnetic unit assemble method of 3 described electromagnetic relays of claim the, it is characterized in that said electromagnetic unit assemble method also includes a step 7: with said shell block encapsulation aforementioned electromagnetic unit and said switch element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100040309A CN101800138B (en) | 2009-02-09 | 2009-02-09 | Electromagnetic relay and assembling method of electromagnetic unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100040309A CN101800138B (en) | 2009-02-09 | 2009-02-09 | Electromagnetic relay and assembling method of electromagnetic unit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101800138A CN101800138A (en) | 2010-08-11 |
| CN101800138B true CN101800138B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100040309A Expired - Fee Related CN101800138B (en) | 2009-02-09 | 2009-02-09 | Electromagnetic relay and assembling method of electromagnetic unit thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0313385A2 (en) * | 1987-10-22 | 1989-04-26 | Nec Corporation | Electromagnetic relay |
| US4881053A (en) * | 1987-03-13 | 1989-11-14 | Omron Tateisi Electronics Co. | Electromagnetic relay |
| CN1131475A (en) * | 1993-09-17 | 1996-09-18 | 欧姆龙株式会社 | Electromagnetic relay and its manufacturing method |
| CN101283429A (en) * | 2005-08-12 | 2008-10-08 | 欧姆龙株式会社 | Relay |
-
2009
- 2009-02-09 CN CN2009100040309A patent/CN101800138B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881053A (en) * | 1987-03-13 | 1989-11-14 | Omron Tateisi Electronics Co. | Electromagnetic relay |
| EP0313385A2 (en) * | 1987-10-22 | 1989-04-26 | Nec Corporation | Electromagnetic relay |
| CN1131475A (en) * | 1993-09-17 | 1996-09-18 | 欧姆龙株式会社 | Electromagnetic relay and its manufacturing method |
| CN101283429A (en) * | 2005-08-12 | 2008-10-08 | 欧姆龙株式会社 | Relay |
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| Publication number | Publication date |
|---|---|
| CN101800138A (en) | 2010-08-11 |
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Granted publication date: 20121128 Termination date: 20210209 |