CN102426989A - Fall-resisting electromagnetic relay - Google Patents
Fall-resisting electromagnetic relay Download PDFInfo
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- CN102426989A CN102426989A CN2011103636138A CN201110363613A CN102426989A CN 102426989 A CN102426989 A CN 102426989A CN 2011103636138 A CN2011103636138 A CN 2011103636138A CN 201110363613 A CN201110363613 A CN 201110363613A CN 102426989 A CN102426989 A CN 102426989A
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- moving spring
- shell
- armature
- convex tendon
- bobbin
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Abstract
The invention discloses a fall-resisting electromagnetic relay which comprises a casing, an electromagnetic part and a base, wherein the electromagnetic part is fixed with the base; the bottom of the casing is connected with the base; the electromagnetic part positioned on the base is accommodated in a casing cavity by the bottom of the casing; the electromagnetic part comprises a magnetic circuit part and a movable spring armature part; the magnetic circuit part comprises a coil rack; the movable spring armature part comprises a movable spring and an armature; a convex part leaned against the electromagnetic part is arranged in the casing; and the convex part is pressed and attached to the electromagnetic part from the vertical direction, so that the electromagnetic part is positioned by the casing in the vertical direction; and a convex part which is away from the movable spring armature by a preset distance is arranged on the inner wall of the casing and can be used for limiting the moving distances of the movable spring armature along the vertical direction and the transverse direction. According to the fall-resisting electromagnetic relay adopting the structure, the electromagnetic part can be accurately positioned inside the casing; the movable spring armature can be accurately limited; the electromagnetic part of the electromagnetic relay is better positioned; and the fall-resisting electromagnetic relay has high fall-resisting performance.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of electromagnetic relay of electromagnet portion good location with high anti-dropping capability.
Background technology
Electromagnetic relay is a kind of dynamo-electric components and parts that are widely used in the Vehicle Electronic Control module.Because the severity of automobile environment for use and to the high requirement of security performance, thereby the relay that requires to be applied in automotive field has higher shock resistance anti-vibration ability and anti-dropping capability preferably.
Existing relay; Electromagnet portion is portion location inaccuracy in the enclosure; In order to remedy the error in the assembling process; Guarantee simultaneously moving spring armature component in the enclosure portion have reliable space, so relay inside is bigger to the spacing spatial design surplus of moving spring armature component, this has also brought relay moving spring armature component displacement when receiving the intense impact vibration bigger; Exceed the regime of elastic deformation of moving spring and make spring produce plastic deformation, the function of relay suffers damage even lost efficacy.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of anti-drop electromagnetic relay is provided; Through structural design to shell, electromagnet portion and base, can to electromagnet portion in the enclosure portion accurately locate, and moving spring armature component is carried out spacing accurately; Make the electromagnet portion of electromagnetic relay can form good location, and have high anti-dropping capability.
The technical solution adopted for the present invention to solve the technical problems is: a kind of anti-drop electromagnetic relay comprises shell, electromagnet portion and base; Electromagnet portion and base fix; The bottom of shell is connected with base and the electromagnet portion that will be on the base is included in the shell chamber; Said electromagnet portion partly, is often opened quiet spring part, normally closed quiet spring part and moving spring armature by magnetic circuit and is partly formed; Said magnetic circuit part is made up of bobbin, iron core, enamelled wire, leading foot and yoke; Said moving spring armature part is made up of moving spring, armature and moving contact; Be provided with the binding face that can match at the madial wall place of the oral area of shell, form shell base-mounted electromagnet portion is positioned at horizontal and vertical both direction with side around the base; Be provided with the protuberance that leans with electromagnet portion in the enclosure, this protuberance forms shell electromagnet portion is positioned in vertical direction from vertically overlaying on electromagnet portion.
Described protuberance comprises first convex tendon of the roof in the shell chamber that longitudinally is located at shell, and this first convex tendon is located at the position corresponding to the head of said bobbin; The head of said bobbin is provided with first boss; The top of the bottom of first convex tendon of shell and first boss of bobbin leans.
Described protuberance comprises that also this second convex tendon is located at the position corresponding to the afterbody of said bobbin along second convex tendon of the sidewall in the shell chamber that vertically is located at shell; Second convex tendon is provided with a step and makes step surface down; The top of the step surface of second convex tendon of shell and the afterbody of bobbin leans.
Described second convex tendon is two, and two second convex tendons symmetry respectively are located at the cross central line place, two side in shell chamber of the shell that is symmetry axis.
The step of described second convex tendon below also is provided with perpendicular to first confined planes longitudinally, and first confined planes of this second convex tendon matches with the side of the afterbody of bobbin, to prevent electromagnet portion inclination in a longitudinal direction in the enclosure.
The end of first confined planes of described second convex tendon also is provided with is convenient to let the electromagnet portion inclined-plane of shell of packing into.
Madial wall place at the oral area of shell also is provided with step, and this step forms shell base-mounted electromagnet portion is positioned in vertical direction from vertically overlaying on base.
A kind of anti-drop electromagnetic relay comprises shell, electromagnet portion and base; Electromagnet portion and base fix; The bottom of shell is connected with base and the electromagnet portion that will be on the base is included in the shell chamber; Said electromagnet portion partly, is often opened quiet spring part, normally closed quiet spring part and moving spring armature by magnetic circuit and is partly formed; Said magnetic circuit part is made up of bobbin, iron core, enamelled wire, leading foot and yoke; Said moving spring armature part is made up of moving spring, armature and moving contact; Inwall at shell is provided with the protuberance that partly has preset distance with moving spring armature, and this protuberance carries out spacing to the moving spring armature part along vertical and horizontal displacement; Head at bobbin is provided with first boss that partly has preset distance with moving spring armature, and this first boss longitudinally carries out spacing with horizontal displacement to the moving spring armature part.
Described protuberance comprises the middle projection of roof in the shell chamber that is located at shell, and this projection is located at the position intermediate corresponding to the moving spring of said moving spring armature part; Matching with the mid portion of the moving spring of moving spring armature part in the bottom of the projection of shell, carries out spacing to the moving spring armature part along the displacement that vertical direction makes progress.
Described protuberance also comprises the 3rd convex tendon of the roof in the shell chamber that is located at shell, and the 3rd convex tendon is located at the position corresponding to the afterbody of the armature of said moving spring armature part; Matching with the afterbody of the armature of moving spring armature part in the bottom of the 3rd convex tendon of shell, carries out spacing to the moving spring armature part along the displacement that vertical direction makes progress.
Described protuberance comprises also that along the 4th convex tendon of the sidewall in the shell chamber that vertically is located at shell the 4th convex tendon is located at the position corresponding to the afterbody of the armature of said moving spring armature part; The 4th convex tendon of shell matches with the side of the afterbody of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of horizontal direction.
The side of first boss of the head of said bobbin is provided with perpendicular to the second horizontal confined planes, and this second confined planes is located at the position corresponding to the head of the armature of said moving spring armature part; The head of the armature of said moving spring armature part is provided with shoulder; Second confined planes of bobbin matches with the shoulder of the head of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of horizontal direction.
First boss of the head of said bobbin is provided with the 3rd confined planes, and the 3rd confined planes is located at the position corresponding to the head of the armature of said moving spring armature part; The head of the armature of said moving spring armature part is provided with prism; The 3rd confined planes of bobbin matches with the prism of the head of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of longitudinal direction.
A kind of anti-drop electromagnetic relay of the present invention is that protuberance is set in the enclosure, through cooperating of protuberance and bobbin, and the cooperating of shell and base, to electromagnet portion in the enclosure portion accurately locate.A kind of anti-drop electromagnetic relay of the present invention; The protuberance of other positions also is set in the enclosure; Through cooperating of protuberance and moving spring armature part, and the cooperating of bobbin and moving spring armature part, to moving spring armature partly in the enclosure displacement carry out spacing accurately.
The invention has the beneficial effects as follows; Owing to adopted and be provided with the binding face that can match at the madial wall place of the oral area of shell with side around the base; Forming shell thus positions at horizontal and vertical both direction base-mounted electromagnet portion; Owing to be provided with the protuberance that leans with electromagnet portion in the enclosure, this protuberance forms shell thus electromagnet portion is positioned in vertical direction from vertically overlaying on electromagnet portion; Its electromagnet portion of relay that this location structure can be eliminated prior art portion is in the enclosure located coarse drawback, makes the electromagnet portion of electromagnetic relay can form good location.Owing to adopted inwall to be provided with the protuberance that partly has preset distance with moving spring armature at shell; Utilize this protuberance to carry out spacing along vertical and horizontal displacement to the moving spring armature part; Because the head at bobbin is provided with first boss that partly has preset distance with moving spring armature, utilize this first boss longitudinally to carry out spacing with horizontal displacement to the moving spring armature part; This position limiting structure can be eliminated the bad drawback of its electromagnet portion anti-dropping capability of relay of prior art, thereby improves the anti-dropping capability of electromagnetic relay.
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain; But a kind of anti-drop electromagnetic relay of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is a structure decomposing schematic representation of the present invention;
Fig. 2 is a cutaway view of the present invention;
Fig. 3 is the structural representation of magnetic circuit part of the present invention;
Fig. 4 is the structural representation of moving spring armature part of the present invention;
Fig. 5 is the structural representation of shell of the present invention;
Fig. 6 is the structural representation of shell of the present invention (turn over and turn to another direction).
Embodiment
Embodiment shown in accompanying drawing, sets a coordinate system (as shown in Figure 1), laterally is the X axle, and the direction of X axle vertically is the Y axle by the head points afterbody of bobbin, and angular separation 90 degree of the direction of Y axle and X axle vertically are the Z axle, being directed upwardly of Z axle.
A kind of anti-drop electromagnetic relay of the present invention comprises shell 1, electromagnet portion 2 and base 3; Electromagnet portion 2 fixes with base 3; The bottom of shell 1 is connected with base 3 and the electromagnet portion 2 that will be on the base is included in the shell chamber, and electromagnet portion 2 has only leading foot outside the shell chamber; Said electromagnet portion 2 by magnetic circuit part 24, often open quiet spring part 23, normally closed quiet spring part 22 and moving spring armature part 21 and form; Said magnetic circuit part 24 is made up of bobbin 241, iron core 242, enamelled wire 243, leading foot 244 and yoke 245; Said moving spring armature part 21 is made up of moving spring 211, armature 212 and moving contact 213; Be provided with the binding face that can match with side around the base at the madial wall place of the oral area of shell 1; The electromagnet portion 2 that 1 pair on shell of formation is contained on the base 3 positions at horizontal and vertical both direction; The oral area of shell 1 is generally rectangle; Two binding faces 17 perpendicular to the X axle are so just arranged, perpendicular to two binding faces 11 of Y axle, and base 3 around two relative sides 31 and two relative sides 32 are arranged; The binding face 11 of the oral area of shell 1 matches with the side 31 of base 3; Electromagnet portion 2 is positioned in shell 1 inner Y direction, and the binding face 17 of the oral area of shell 1 matches with the side 32 of base 3, and electromagnet portion 2 is positioned in shell 1 inner X-direction.
In shell 1, be provided with the protuberance that leans with electromagnet portion 2, this protuberance is from vertically overlaying on electromagnet portion 2, forms 1 pair of electromagnet portion of shell 2 and positions in vertical direction.
Wherein,
Described protuberance comprises first convex tendon 13 of the roof in the shell chamber that longitudinally is located at shell, and this first convex tendon 13 is located at the position corresponding to the head of said bobbin 241; The head of said bobbin 241 is provided with first boss 2415; The top of the bottom of first convex tendon 13 of shell and first boss 2415 of bobbin leans;
Described protuberance comprises that also this second convex tendon 12 is located at the position corresponding to the afterbody of said bobbin 241 along second convex tendon 12 of the sidewall in the shell chamber that vertically is located at shell; Second convex tendon 12 is provided with a step and makes step surface 121 down; The step surface 121 of second convex tendon of shell leans with the top 2411 of the afterbody of bobbin 241;
Described second convex tendon 12 is two, and two second convex tendons 12 symmetry respectively are located at the cross central line place, two side in shell chamber of the shell 1 that is symmetry axis;
The step of described second convex tendon 12 below also is provided with perpendicular to first confined planes 122 longitudinally, and first confined planes 122 of this second convex tendon matches with the side 2412 of the afterbody of bobbin, to prevent electromagnet portion 2 inclination in a longitudinal direction in shell 1;
The end of first confined planes of described second convex tendon 12 also is provided with is convenient to let the electromagnet portion inclined-plane 123 of shell of packing into.
Like this, 1 pair of bobbin 241 of shell has three places location, and location, three places is distributed in the periphery of shell 1 symmetrical centre, electromagnet portion 2 is formed stablize the accurate localization structure in+Z-direction.122 pairs of bobbin afterbodys of first confined planes side 2412 of second convex tendon 12 of shell 1 is carried out spacing, prevents that electromagnet portion 2 heads from tilting along Y direction in shell 1 inboard.Inboard second convex tendon 12 of shell has inclined-plane 123, to guarantee electromagnet portion 2 shell 1 of packing into smoothly.
Madial wall place at the oral area of shell also is provided with step 18, and this step 18 forms 1 pair of electromagnet portion that is contained on the base 3 of shell and positions in vertical direction from vertically overlaying on base 3.
Inwall at shell 1 is provided with the protuberance that has preset distance with moving spring armature part 21, and this protuberance carries out spacing to moving spring armature part 21 along vertical and horizontal displacement; Head at bobbin 241 is provided with first boss 2415 that partly has preset distance with moving spring armature, and 2415 pairs of moving spring armature parts 21 of this first boss are longitudinally carried out spacing with horizontal displacement.
Wherein,
Described protuberance comprises the middle projection 14 of roof in the shell chamber that is located at shell 1, and this projection 14 is located at the position intermediate corresponding to the moving spring 211 of said moving spring armature part 21; The mid portion 2111 of the moving spring 211 of the bottom of the projection 14 of shell and moving spring armature part matches, and carries out spacing to moving spring armature part 21 along the make progress displacement of (promptly+Z-direction) of vertical direction;
Described protuberance comprises that also the 3rd convex tendon 15, the three convex tendons 15 of the roof in the shell chamber that is located at shell 1 are located at the position corresponding to the afterbody of said moving spring armature armature 212 partly; The afterbody 2123 of the armature of the bottom of the 3rd convex tendon 15 of shell and moving spring armature part matches, and carries out spacing to the moving spring armature part along the make progress displacement of (promptly+Z-direction) of vertical direction; The 3rd convex tendon 15 is made as two;
Described protuberance also comprises along the 4th convex tendon 16, the four convex tendons 16 of the sidewall in the shell chamber that vertically is located at shell and is located at the position corresponding to the afterbody of the armature 212 of said moving spring armature part; Matching in the side of the afterbody 2123 of the armature of the 4th convex tendon 16 of shell and moving spring armature part, carries out spacing to moving spring armature part 21 in the displacement of horizontal direction (promptly+X-direction);
The side of first boss 2415 of the head of said bobbin is provided with perpendicular to the second horizontal confined planes 2413, and this second confined planes 2413 is located at the position corresponding to the head of the armature 212 of said moving spring armature part; The head of the armature of said moving spring armature part is provided with shoulder 2121; The shoulder 2121 of the head of the armature of second confined planes 2413 of bobbin and moving spring armature part matches, and carries out spacing to moving spring armature part 21 in the displacement of horizontal direction (promptly-X-direction);
First boss of the head of said bobbin is provided with the 3rd confined planes 2414, the three confined planes 2414 and is located at the position corresponding to the head of said moving spring armature armature 212 partly; The head of the armature of said moving spring armature part is provided with prism 2122; The 3rd confined planes 2414 of bobbin matches with the prism 2122 of the head of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of longitudinal direction.
Above all directions spacing is limited in moving spring armature component 21 displacements in the regime of elastic deformation of moving spring 211, treat that impact shock disappears after, moving spring 211 returns to initial condition, the relay counter-force does not change, relay function is normal.
The foregoing description only is used for further specifying a kind of anti-drop electromagnetic relay of the present invention; But the present invention is not limited to embodiment; Every foundation technical spirit of the present invention all falls in the protection range of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (14)
1. an anti-drop electromagnetic relay comprises shell, electromagnet portion and base; Said electromagnet portion comprises magnetic circuit part and moving spring armature part; Said magnetic circuit partly comprises bobbin; Said moving spring armature partly comprises moving spring and armature; It is characterized in that: be provided with the binding face that can match at the madial wall place of the oral area of shell, form shell base-mounted electromagnet portion is positioned at horizontal and vertical both direction with side around the base; Be provided with the protuberance that leans with electromagnet portion in the enclosure, this protuberance forms shell electromagnet portion is positioned in vertical direction from vertically overlaying on electromagnet portion.
2. anti-drop electromagnetic relay according to claim 1 is characterized in that: described protuberance comprises first convex tendon of the roof in the shell chamber that longitudinally is located at shell, and this first convex tendon is located at the position corresponding to the head of said bobbin; The head of said bobbin is provided with first boss; The top of the bottom of first convex tendon of shell and first boss of bobbin leans.
3. anti-drop electromagnetic relay according to claim 1 and 2 is characterized in that: described protuberance comprises that also this second convex tendon is located at the position corresponding to the afterbody of said bobbin along second convex tendon of the sidewall in the shell chamber that vertically is located at shell; Second convex tendon is provided with a step and makes step surface down; The top of the step surface of second convex tendon of shell and the afterbody of bobbin leans.
4. anti-drop electromagnetic relay according to claim 3 is characterized in that: described second convex tendon is two, and two second convex tendons symmetry respectively are located at the cross central line place, two side in shell chamber of the shell that is symmetry axis.
5. anti-drop electromagnetic relay according to claim 4; It is characterized in that: the step of described second convex tendon below also is provided with perpendicular to first confined planes longitudinally; First confined planes of this second convex tendon matches with the side of the afterbody of bobbin, tilts in a longitudinal direction in the enclosure to prevent electromagnet portion.
6. anti-drop electromagnetic relay according to claim 5 is characterized in that: the end of first confined planes of described second convex tendon also is provided with is convenient to let the electromagnet portion inclined-plane of shell of packing into.
7. according to claim 1 or 2 or 4 described anti-drop electromagnetic relays; It is characterized in that: the madial wall place at the oral area of shell also is provided with step; This step forms shell base-mounted electromagnet portion is positioned in vertical direction from vertically overlaying on base.
8. anti-drop electromagnetic relay according to claim 3; It is characterized in that: the madial wall place at the oral area of shell also is provided with step; This step forms shell base-mounted electromagnet portion is positioned in vertical direction from vertically overlaying on base.
9. an anti-drop electromagnetic relay comprises shell, electromagnet portion and base; Said electromagnet portion comprises magnetic circuit part and moving spring armature part; Said magnetic circuit partly comprises bobbin; Said moving spring armature partly comprises moving spring and armature; It is characterized in that: the inwall at shell is provided with the protuberance that partly has preset distance with moving spring armature, and this protuberance carries out spacing to the moving spring armature part along vertical and horizontal displacement; Head at bobbin is provided with first boss that partly has preset distance with moving spring armature, and this first boss longitudinally carries out spacing with horizontal displacement to the moving spring armature part.
10. anti-drop electromagnetic relay according to claim 9 is characterized in that: described protuberance comprises the middle projection of roof in the shell chamber that is located at shell, and this projection is located at the position intermediate corresponding to the moving spring of said moving spring armature part; Matching with the mid portion of the moving spring of moving spring armature part in the bottom of the projection of shell, carries out spacing to the moving spring armature part along the displacement that vertical direction makes progress.
11. anti-drop electromagnetic relay according to claim 9 is characterized in that: described protuberance also comprises the 3rd convex tendon of the roof in the shell chamber that is located at shell, and the 3rd convex tendon is located at the position corresponding to the afterbody of the armature of said moving spring armature part; Matching with the afterbody of the armature of moving spring armature part in the bottom of the 3rd convex tendon of shell, carries out spacing to the moving spring armature part along the displacement that vertical direction makes progress.
12. anti-drop electromagnetic relay according to claim 9; It is characterized in that: described protuberance comprises also that along the 4th convex tendon of the sidewall in the shell chamber that vertically is located at shell the 4th convex tendon is located at the position corresponding to the afterbody of the armature of said moving spring armature part; The 4th convex tendon of shell matches with the side of the afterbody of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of horizontal direction.
13. anti-drop electromagnetic relay according to claim 9; It is characterized in that: the side of first boss of the head of said bobbin is provided with perpendicular to the second horizontal confined planes, and this second confined planes is located at the position corresponding to the head of the armature of said moving spring armature part; The head of the armature of said moving spring armature part is provided with shoulder; Second confined planes of bobbin matches with the shoulder of the head of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of horizontal direction.
14. anti-drop electromagnetic relay according to claim 9 is characterized in that: first boss of the head of said bobbin is provided with the 3rd confined planes, and the 3rd confined planes is located at the position corresponding to the head of the armature of said moving spring armature part; The head of the armature of said moving spring armature part is provided with prism; The 3rd confined planes of bobbin matches with the prism of the head of the armature of moving spring armature part, carries out spacing to the moving spring armature part in the displacement of longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110363613.8A CN102426989B (en) | 2011-11-16 | 2011-11-16 | Fall-resisting electromagnetic relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110363613.8A CN102426989B (en) | 2011-11-16 | 2011-11-16 | Fall-resisting electromagnetic relay |
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| CN102426989A true CN102426989A (en) | 2012-04-25 |
| CN102426989B CN102426989B (en) | 2015-04-08 |
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| CN201110363613.8A Active CN102426989B (en) | 2011-11-16 | 2011-11-16 | Fall-resisting electromagnetic relay |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820170A (en) * | 2012-08-31 | 2012-12-12 | 合肥美的荣事达电冰箱有限公司 | Compressor assembly used for refrigerator and relay cover of compressor assembly |
| CN104201058A (en) * | 2014-09-12 | 2014-12-10 | 浙江凡华电子有限公司 | Electromagnetic relay |
| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| WO2017205495A1 (en) | 2016-05-27 | 2017-11-30 | Aerovironment, Inc. | Shock-resistant electrical switch |
| CN108321030A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | A kind of shock proof electromagnetic relay |
| CN108010801B (en) * | 2017-12-05 | 2023-10-20 | 厦门宏发汽车电子有限公司 | High-voltage pre-charging relay |
| CN108962682B (en) * | 2018-07-02 | 2024-03-12 | 漳州宏发电声有限公司 | Anti-drop relay convenient for automatic assembly and automatic assembly method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820170A (en) * | 2012-08-31 | 2012-12-12 | 合肥美的荣事达电冰箱有限公司 | Compressor assembly used for refrigerator and relay cover of compressor assembly |
| CN102820170B (en) * | 2012-08-31 | 2015-11-25 | 合肥美的电冰箱有限公司 | For compressor assembly and the relay cover thereof of refrigerator |
| CN104201058A (en) * | 2014-09-12 | 2014-12-10 | 浙江凡华电子有限公司 | Electromagnetic relay |
| WO2017205495A1 (en) | 2016-05-27 | 2017-11-30 | Aerovironment, Inc. | Shock-resistant electrical switch |
| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| CN106981398B (en) * | 2016-11-24 | 2019-01-01 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with locating plate |
| CN108010801B (en) * | 2017-12-05 | 2023-10-20 | 厦门宏发汽车电子有限公司 | High-voltage pre-charging relay |
| CN108321030A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | A kind of shock proof electromagnetic relay |
| CN108321030B (en) * | 2018-03-26 | 2024-04-19 | 厦门宏远达电器有限公司 | Impact-resistant electromagnetic relay |
| CN108962682B (en) * | 2018-07-02 | 2024-03-12 | 漳州宏发电声有限公司 | Anti-drop relay convenient for automatic assembly and automatic assembly method thereof |
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| Publication number | Publication date |
|---|---|
| CN102426989B (en) | 2015-04-08 |
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