CN201556575U - High voltage-resistant electromagnetic relay - Google Patents

High voltage-resistant electromagnetic relay Download PDF

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Publication number
CN201556575U
CN201556575U CN2009203148611U CN200920314861U CN201556575U CN 201556575 U CN201556575 U CN 201556575U CN 2009203148611 U CN2009203148611 U CN 2009203148611U CN 200920314861 U CN200920314861 U CN 200920314861U CN 201556575 U CN201556575 U CN 201556575U
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CN
China
Prior art keywords
coil
baffle plate
terminal
baffle
jack
Prior art date
Application number
CN2009203148611U
Other languages
Chinese (zh)
Inventor
鹿庆焱
Original Assignee
厦门宏美电子有限公司
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Publication date
Application filed by 厦门宏美电子有限公司 filed Critical 厦门宏美电子有限公司
Priority to CN2009203148611U priority Critical patent/CN201556575U/en
Application granted granted Critical
Publication of CN201556575U publication Critical patent/CN201556575U/en

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Abstract

The utility model discloses a high voltage-resistant electromagnetic relay. The electromagnetic relay comprises a heel piece, an armature, an iron core, a coil rack, a coil, a movable spring, and two coil leading-out terminals, wherein the coil rack comprises a wrapping post, and a first baffle plate body and a second baffle plate body which are connected with two ends of the wrapping post; two jacks are formed on the outer side of the first baffle plate body or the second baffle plate body; one end of each coil leading-out terminal is inserted in a corresponding jack and is completely sunk in the jack; lead wire grooves guided from the inner side of the first baffle plate body or the second baffle plate body to the outer side are correspondingly formed on the side wall of the first baffle plate body or the second baffle plate body which is provided with the insertion holes; and the front end and the tail end of the coil are respectively wound with the root of a corresponding coil leading-out terminal through the lead wire grooves. The utility model can improve the creep distance and the electric clearance between the coil and a contact return circuit in the limited interior space of a relay under the premise that no part is added, thereby effectively improving the voltage withstanding level of the media between a relay coil and a contact point, and saving cost.

Description

A kind of high pressure resistant electromagnetic relay
Technical field
The utility model relates to a kind of electromagnetic relay that can effectively improve the dielectric withstanding voltage level, particularly relates to a kind of plug-in mounting structure of coil terminals and the improved high pressure resistant electromagnetic relay of lead-out mode of coil.
Background technology
The structure of existing relay magnetic circuit part, the general beating type electromagnet that adopts, magnetic circuit is made up of yoke, armature, iron core, bobbin, coil, iron core passes the hole of bobbin, and with yoke riveted joint and formation flux path, armature is rotating fulcrum with the edge of a knife of yoke, the working face of armature and pole-face unshakable in one's determination, attract each other under flux interaction and rotate, the moving spring in loop, contact links to each other with magnetic circuit system, the contact system work of the rotating band motor type relay of armature.The bobbin of this structure comprises the baffle plate body that wrapping post and wrapping post two ends one are joined, a baffle plate body therein is provided with a penetrating terminal hole, the coil leading-out terminal is inserted in the terminal hole of this baffle plate body, the two ends of coil leading-out terminal are in the interior outside of this baffle plate body respectively, the end of coil leading-out terminal in the outside that is in the baffle plate body is usually as the relay coil leading foot that is welded on the pcb board, the other end of coil leading-out terminal that is in the inboard of baffle plate body is drawn as relay inside usually, promptly (common as top that is wrapped in the enamelled wire winding on the wrapping post or terminal drawing, the coil leading-out terminal has two, be used for drawing the top and the end of enamelled wire winding respectively), work the welding effect of twining.The shortcoming of this deriving structure is exactly that relay Inside coil terminal (being the other end of coil leading-out terminal) is too near with magnetic circuit system (being generally yoke or armature) distance, and magnetic circuit system links to each other with the moving spring of high tension loop, cause between relay coil and contact (high and low pressure loop) creepage distance and electric clearance less than normal, can't be under predetermined structure, improve dielectric withstanding voltage level between the coil of relay and contact in the limited inner space.
Fig. 1, Fig. 2 are the structural representation of the magnetic circuit part of the lower a kind of relay of existing dielectric withstanding voltage level; This relay comprise yoke 3 ', the armature (not shown), unshakable in one's determination 4 ', bobbin 1 ', coil 2 ', 4 ' small end unshakable in one's determination pass bobbin 1 ' the hole, and then pass yoke 3 ' the hole, and locate to rivet in 4 ' head unshakable in one's determination and yoke 3 ' hole.Bobbin 1 ' the comprise baffle plate body that wrapping post and wrapping post two ends one are joined, a baffle plate body therein is lower baffle plate body 11 ' be provided with a penetrating terminal hole, this baffle plate body 11 of coil leading-out terminal 5 ' be inserted into ' terminal hole in, coil leading-out terminal 5 ' two ends be in respectively this baffle plate body 11 ' the interior outside, be in baffle plate body 11 ' the end 51 ' usually as the relay coil leading foot that is welded on the pcb board of coil leading-out terminal in the outside, be in the other end 52 ' draw as relay inside usually of coil leading-out terminal of the inboard of baffle plate body, promptly (usually as the top that is wrapped in coil 2 on the wrapping post ' be enamelled wire winding or terminal drawing, the coil leading-out terminal has two, be used for drawing the top and the end of enamelled wire winding respectively), work the welding effect of twining, be the other end 52 ' go up of enamelled wire winding top 21 ' be wrapped in coil leading-out terminal and weld together that enamelled wire winding end is wrapped on another coil leading-out terminal.This shows, coil leading-out terminal 5 ' with magnetic circuit system yoke 3 ' distance is very near, and magnetic circuit system links to each other with the loop, contact, so the dielectric withstanding voltage level is lower between coil and contact.
Fig. 3, Fig. 4 are the structural representation of the magnetic circuit part of the lower another kind of relay of existing dielectric withstanding voltage level; This relay comprise yoke 3 ', armature 6 ', unshakable in one's determination 4 ', bobbin 1 ', coil 2 ', moving spring 7 ', 4 ' small end unshakable in one's determination pass bobbin 1 ' the hole, and then pass yoke 3 ' the hole, and locate to rivet in 4 ' head unshakable in one's determination and yoke 3 ' hole.Bobbin 1 ' the comprise baffle plate body that wrapping post and wrapping post two ends one are joined, a baffle plate body therein is overhead gage body 12 ' be provided with a penetrating terminal hole, this baffle plate body 12 of coil leading-out terminal 5 ' be inserted into ' terminal hole in, coil leading-out terminal 5 ' two ends be in respectively this baffle plate body 12 ' the interior outside, be in baffle plate body 12 ' the end 51 ' usually as the relay coil leading foot that is welded on the pcb board of coil leading-out terminal in the outside, be in the other end 52 ' draw as relay inside usually of coil leading-out terminal of the inboard of baffle plate body, promptly (usually as the top that is wrapped in coil 2 on the wrapping post ' be enamelled wire winding or terminal drawing, the coil leading-out terminal has two, be used for drawing the top and the end of enamelled wire winding respectively), work the welding effect of twining, be the other end 52 ' go up of enamelled wire winding top 21 ' be wrapped in coil leading-out terminal and weld together that enamelled wire winding end is wrapped on another coil leading-out terminal.This structure is as last structure, coil leading-out terminal 5 ' with magnetic circuit system yoke 3 ' distance is very near, and magnetic circuit system links to each other with the loop, contact, so the dielectric withstanding voltage level is lower between coil and contact.
To be prior art be the structural representation of the magnetic circuit part that improves a kind of relay that the dielectric withstanding voltage level adopts to Fig. 5; The relay of this structure, be with the difference of last structure, yoke 3 ' and the other end 52 of coil leading-out terminal ' between, increased spacer part 13 ', utilize spacer part 13 ', thereby reach the purpose that improves the dielectric withstanding voltage level coil terminals 5 ' isolate with magnetic circuit system.But this structure has increased part, and cost is higher, and assembly technology is relatively complicated.
To be prior art be the structural representation of the magnetic circuit part that improves the another kind of relay that the dielectric withstanding voltage level adopts to Fig. 6; The relay of this structure, be with the difference of last structure, this structure does not increase the spacer part, but taked complicated terminal bending technique, be about to the other end 52 of coil leading-out terminal ' make bending structure, with strengthen coil leading-out terminal 5 ' with the creepage distance of magnetic circuit system (be yoke 3 '), thereby reach the purpose of raising dielectric withstanding voltage level.But, this structure assembly technology complexity, stability is not high, and the creepage distance increase rate is limited.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of high pressure resistant electromagnetic relay is provided, be that the plug-in mounting structure of coil terminals and the lead-out mode of coil are improved, can be in the limited inner space of relay, under the prerequisite that does not increase part, improve creepage distance and electric clearance between coil and loop, contact, thereby effectively improve dielectric withstanding voltage level between relay coil and contact, save cost.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of high pressure resistant electromagnetic relay comprises the yoke, an armature, an iron core, a bobbin, a coil of a L-shaped structure, the moving spring and the two coil leading-out terminal of a bending; Bobbin comprises wrapping post and the first baffle plate body, the second baffle body that join with the wrapping post two ends; Coil is wrapped on the wrapping post; Small end unshakable in one's determination is passed by the external side of first baffle plate that the end at external side of second baffle and yoke fixes behind the bobbin; One end of moving spring and the other end of yoke fix; The middle part of moving spring and the middle part of armature fix; Armature is located at the external side of first baffle plate; Be provided with two jacks in the outside of the first baffle plate body or second baffle body, each end of two coil leading-out terminal is inserted in the corresponding jack respectively and sinks to fully in the described jack; Be provided with lead-in wire groove at limit wall, the beginning of coil, terminally twine mutually with the root of corresponding coil leading-out terminal by described lead-in wire groove respectively by the guiding outside, the inboard of the first baffle plate body or second baffle body corresponding to first baffle plate body that is provided with jack or second baffle body.
Described jack is arranged on the second baffle body, and the two ends of lead-in wire groove are with the inside and outside side of second baffle body respectively and seamlessly transit.
Described jack is arranged on the first baffle plate body, in the external side of first baffle plate one base plate that can be used for hiding winding place of coil beginning, terminal and coil leading-out terminal is housed also, the both sides of base plate are respectively equipped with can be with described coil leading-out terminal and armature, move the isolated wing plate of spring.
The two ends of described lead-in wire groove are with the inside and outside side of the first baffle plate body respectively and seamlessly transit.
Described jack is a blind hole.
Described lead-in wire groove is oblique setting.
A kind of high pressure resistant electromagnetic relay of the present utility model, its coil leading-out terminal only appears at the outside of the first baffle plate body or second baffle body, do not pass the first baffle plate body or second baffle body and appear at the inboard of the first baffle plate body or second baffle body, the one end is as the relay pin that is welded on the pcb board, the other end then is sunken to bobbin inside, the beginning of coil, end are then drawn by the lead-in wire groove, also are the roots that is wrapped in the coil leading-out terminal in the outside of the first baffle plate body or second baffle body.Such structure has realized the creepage distance maximization between the yoke of coiler part and magnetic circuit system.Also designed a base plate part in the external side of first baffle plate; on the one hand base plate can begin coil, terminally be protected with coil leading-out terminal winding weld; the wing plate that stretches out from base plate can be isolated the armature of coil leading-out terminal and magnetic circuit system, moving spring on the other hand, thereby has realized the creepage distance maximization between coil and contact.
The beneficial effects of the utility model are: owing to adopted in the outside of the first baffle plate body or second baffle body and be provided with two jacks, and each end of two coil leading-out terminal is inserted in the corresponding jack respectively and sinks to fully in the described jack; Be provided with lead-in wire groove at limit wall, the beginning of coil, terminally twine mutually with the root of corresponding coil leading-out terminal by described lead-in wire groove respectively by the guiding outside, the inboard of the first baffle plate body or second baffle body corresponding to first baffle plate body that is provided with jack or second baffle body; This structure is when having omitted some isolation part, both guaranteed the automation demand that coil is produced in enormous quantities, improve the creepage distance and the electric clearance of coil and magnetic circuit part again greatly, thereby improved the dielectric withstanding voltage level between coil and contact, and reduced cost.Owing to be provided with base plate in the outside of the first baffle plate body, the both sides of base plate be respectively equipped with can with described coil leading-out terminal with armature, move the isolated wing plate of spring; Make this base plate not only can protect, and the wing plate of base plate also can be to isolating between coil terminals and moving spring, the armature to the pad between beginning of coil, the terminal and coil leading-out terminal.In sum, the utility model had both been realized the creepage distance maximization between the yoke of coiler part and magnetic circuit system, also realized the creepage distance maximization between coil and contact, thereby reach the purpose that improves the dielectric withstanding voltage level, this utlity model has simple in structure, cost is lower, the characteristics of easy realization automated production in enormous quantities.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of high pressure resistant electromagnetic relay of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the organigram one of a kind of electromagnetic relay of prior art;
Fig. 2 is the organigram two of a kind of electromagnetic relay of prior art;
Fig. 3 is the organigram one of the another kind of electromagnetic relay of prior art;
Fig. 4 is the organigram two of the another kind of electromagnetic relay of prior art;
Fig. 5 is the organigram of the third electromagnetic relay of prior art;
Fig. 6 is the organigram of the 4th kind of electromagnetic relay of prior art;
Fig. 7 is an organigram one of the present utility model;
Fig. 8 is an organigram two of the present utility model;
Fig. 9 is an organigram three of the present utility model.
Embodiment
Embodiment, to shown in Figure 9, a kind of high pressure resistant electromagnetic relay of the present utility model comprises yoke 3, an armature 6, an iron core 4, a bobbin 1, a coil 2 of a L-shaped structure, the moving spring 7 and the two coil leading-out terminal 5 of a bending referring to Fig. 7; Bobbin 1 comprises wrapping post and the first baffle plate body 12, the second baffle body 11 that join with the wrapping post two ends; Coil 2 is wrapped on the wrapping post; Unshakable in one's determination 4 small end is passed by the first baffle plate body, 12 outsides that the end at second baffle body 11 outsides and yoke 3 fixes behind the bobbin; One end of moving spring 7 and the other end of yoke 3 fix; The middle part of moving spring 7 and the middle part of armature 6 fix; Armature 6 is located at the first baffle plate body, 12 outsides; Be provided with two jacks 121 in the outside of the first baffle plate body 12, each end of two coil leading-out terminal 5 is inserted in the corresponding jack 121 respectively and sinks to fully in the described jack 121; Be provided with lead-in wire groove 13 by the guiding outside, the inboard of the first baffle plate body at the limit wall corresponding to the first baffle plate body 12 that is provided with jack 121, the beginning of coil 2, terminal 21 twines with the root of corresponding coil leading-out terminal 5 mutually by described lead-in wire groove 13 respectively.
Wherein:
One base plate 8 that can be used for hiding winding place of coil beginning, terminal and coil leading-out terminal also is housed in the first baffle plate body, 12 outsides, and the both sides of base plate 8 are respectively equipped with can be with described coil leading-out terminal and armature, move the isolated wing plate 81 of spring;
The two ends of lead-in wire groove 13 are with the inside and outside side of the first baffle plate body 12 respectively and seamlessly transit;
Jack 121 is a blind hole;
Lead-in wire groove 13 is oblique setting.
Certainly, jack also can be arranged on the second baffle body.
A kind of high pressure resistant electromagnetic relay of the present utility model, 5 of its coil leading-out terminals appear at the outside of the first baffle plate body 12 or second baffle body 11, do not pass the first baffle plate body 12 or second baffle body 11 and appear at the inboard of the first baffle plate body 12 or second baffle body 11, one end 51 is as the relay pin that is welded on the pcb board, the other end then is sunken to bobbin inside, the beginning of coil 2, end are then drawn by lead-in wire groove 13, also are the roots that is wrapped in coil leading-out terminal 5 in the outside of the first baffle plate body 12 or second baffle body 11.Such structure has realized the creepage distance maximization between the yoke of coiler part and magnetic circuit system.Also designed a base plate part 5 in the first baffle plate body, 12 outsides; on the one hand base plate 5 can begin coil, terminally be protected with coil leading-out terminal winding weld; the wing plate that stretches out from base plate can be isolated the armature of coil leading-out terminal and magnetic circuit system, moving spring on the other hand, thereby has realized the creepage distance maximization between coil and contact.
The foregoing description only is used for further specifying a kind of high pressure resistant electromagnetic relay of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls into the protection range of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1. a high pressure resistant electromagnetic relay comprises yoke, armature, iron core, bobbin, coil, moving spring and coil leading-out terminal; Bobbin comprises wrapping post and the first baffle plate body, the second baffle body that join with the wrapping post two ends; Coil is wrapped on the wrapping post; Small end unshakable in one's determination is passed by the external side of first baffle plate that the end at external side of second baffle and yoke fixes behind the bobbin; One end of moving spring and the other end of yoke fix; The middle part of moving spring and the middle part of armature fix; Armature is located at the external side of first baffle plate; It is characterized in that: be provided with two jacks in the outside of the first baffle plate body or second baffle body, each end of two coil leading-out terminal is inserted in the corresponding jack respectively and sinks to fully in the described jack; Be provided with lead-in wire groove at limit wall, the beginning of coil, terminally twine mutually with the root of corresponding coil leading-out terminal by described lead-in wire groove respectively by the guiding outside, the inboard of the first baffle plate body or second baffle body corresponding to first baffle plate body that is provided with jack or second baffle body.
2. high pressure resistant electromagnetic relay according to claim 1 is characterized in that: described jack is arranged on the second baffle body, and the two ends of lead-in wire groove are with the inside and outside side of second baffle body respectively and seamlessly transit.
3. high pressure resistant electromagnetic relay according to claim 1, it is characterized in that: described jack is arranged on the first baffle plate body, in the external side of first baffle plate one base plate that can be used for hiding winding place of coil beginning, terminal and coil leading-out terminal is housed also, the both sides of base plate are respectively equipped with can be with described coil leading-out terminal and armature, move the isolated wing plate of spring.
4. high pressure resistant electromagnetic relay according to claim 3 is characterized in that: the two ends of described lead-in wire groove are with the inside and outside side of the first baffle plate body respectively and seamlessly transit.
5. according to claim 2 or 3 described high pressure resistant electromagnetic relays, it is characterized in that: described jack is a blind hole.
6. according to claim 2 or 3 or 4 described high pressure resistant electromagnetic relays, it is characterized in that: described lead-in wire groove is oblique setting.
CN2009203148611U 2009-11-16 2009-11-16 High voltage-resistant electromagnetic relay CN201556575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203148611U CN201556575U (en) 2009-11-16 2009-11-16 High voltage-resistant electromagnetic relay

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CN2009203148611U CN201556575U (en) 2009-11-16 2009-11-16 High voltage-resistant electromagnetic relay

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103426688A (en) * 2013-08-16 2013-12-04 厦门宏发电声股份有限公司 Coil frame of double coiled relay
CN103559975A (en) * 2013-10-28 2014-02-05 贵州新安航空机械有限责任公司 Novel electromagnetic valve coil frame
CN104752100A (en) * 2015-01-30 2015-07-01 厦门宏发汽车电子有限公司 Vehicle-mounted PCB electromagnetic relay
CN106298367A (en) * 2016-08-19 2017-01-04 天津市百利电气有限公司 Electronic overload relay actuator coil device
CN106340426A (en) * 2016-08-18 2017-01-18 漳州宏发电声有限公司 Coil and relay thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103426688A (en) * 2013-08-16 2013-12-04 厦门宏发电声股份有限公司 Coil frame of double coiled relay
CN103426688B (en) * 2013-08-16 2015-07-08 厦门宏发电声股份有限公司 Coil frame of double coiled relay
CN103559975A (en) * 2013-10-28 2014-02-05 贵州新安航空机械有限责任公司 Novel electromagnetic valve coil frame
CN104752100A (en) * 2015-01-30 2015-07-01 厦门宏发汽车电子有限公司 Vehicle-mounted PCB electromagnetic relay
CN106340426A (en) * 2016-08-18 2017-01-18 漳州宏发电声有限公司 Coil and relay thereof
CN106298367A (en) * 2016-08-19 2017-01-04 天津市百利电气有限公司 Electronic overload relay actuator coil device

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: XIAMEN HONGFA ELECTRICAL SAFETY + CONTROLS CO., LT

Free format text: FORMER NAME: XIAMEN HONGMEI ELECTRONIC CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee after: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO., LTD.

Address before: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee before: Xiamen Hongmei Electronic Co., Ltd.

Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee after: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO., LTD.

Address before: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee before: Xiamen Hongmei Electronic Co., Ltd.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170124

Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 576

Patentee after: Xiamen Hongyuanda Electric Appliance Co., Ltd.

Address before: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee before: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO., LTD.

Effective date of registration: 20170124

Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 576

Patentee after: Xiamen Hongyuanda Electric Appliance Co., Ltd.

Address before: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361000 No. 566

Patentee before: XIAMEN HONGFA ELECTRICAL SAFETY & CONTROLS CO., LTD.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100818