CN105448611A - Thermal separation mechanism and surge protection device - Google Patents

Thermal separation mechanism and surge protection device Download PDF

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Publication number
CN105448611A
CN105448611A CN201511029516.XA CN201511029516A CN105448611A CN 105448611 A CN105448611 A CN 105448611A CN 201511029516 A CN201511029516 A CN 201511029516A CN 105448611 A CN105448611 A CN 105448611A
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CN
China
Prior art keywords
face
releasing mechanism
hot releasing
elastic component
push rod
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Granted
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CN201511029516.XA
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Chinese (zh)
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CN105448611B (en
Inventor
倪向宇
管林啸
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Delixi Electric Co Ltd
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Delixi Electric Co Ltd
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Priority to CN201511029516.XA priority Critical patent/CN105448611B/en
Publication of CN105448611A publication Critical patent/CN105448611A/en
Application granted granted Critical
Publication of CN105448611B publication Critical patent/CN105448611B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/14Electrothermal mechanisms
    • H01H71/20Electrothermal mechanisms with fusible mass

Abstract

The invention provides a thermal separation mechanism and a surge protection device. The thermal separation mechanism comprises a heating chip, a conducting plate and an elastic push rod component; the heating chip is provided with a leading-out end face; the conducting plate is provided with a connecting end face; the connecting end face and the leading-out end face are welded through a welding flux; the elastic push rod component comprises a first elastic part and a push rod which is provided with an insulating end; one end of the elastic part is fixedly arranged on the push rod; when the thermal separation mechanism is in a working state, the insulating end is arranged between the connecting end face and the leading-out end face in a pressing manner; when the heating chip heats until the welding flux is melted down, the connecting end face is separated from the leading-out end face; and the insulating end moves between the connecting end face and the leading-out end face under the driving of the first elastic part. The insulating end moves between the connecting end face and the leading-out end face to completely isolate the connecting end face and the leading-out end face, so that the problem of halfway release is solved.

Description

Hot releasing mechanism and surge protector
Technical field
The present invention relates to protective device technical field, be specifically related to a kind of hot releasing mechanism and surge protector.
Background technology
Surge protector, is also lightning protection device, and being a kind ofly provides the electronic installation of security protection for various electronic equipment, instrument and meter, communication line.When producing suddenly peak current or voltage because of extraneous interference in electric loop or communication line, surge protector can be shunted within the extremely short time in conducting, thus avoids surge to the infringement of other equipment in loop.
The electric loop disconnecting apparatus of surge protector is generally hot releasing mechanism; mainly comprise support; and the conducting strip, chip leading foot, low temperature scolding tin, spring, indication piece, the push rod that are arranged on support; wherein conducting strip one end to be located on chip leading foot and to be fixedly connected with by low temperature scolding tin; the other end and push rod are linked; first spring one end is conflicted on support, and the other end is stressed on indication piece.Its operation principle is: when mechanism's heat is threaded off, chip heating is delivered to chip leading foot, now low temperature scolding tin melted by heat, and push rod moves downward under the action of the spring, drive conducting strip to move downward, conducting strip is separated from from the welding position of chip leading foot simultaneously.
But, after existing hot releasing mechanism departs under the effect of large short circuit current (particularly under 300A prospective short circuit current), dropout between conducting strip and chip leading foot is usually not thorough, namely the spacing between conducting strip and chip leading foot is usually less, be easy to the phenomenon causing scolding tin wire drawing adhesion, when even conducting strip does not also depart from, chip is just by thermal breakdown.
Therefore, how to design a kind of hot releasing mechanism thoroughly of threading off, to ensure the safety and reliability of surge protector, become technical problem urgently to be resolved hurrily at present.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the halfway defect of dropout of hot releasing mechanism in prior art.
For this reason, the invention provides a kind of hot releasing mechanism, comprising: euthermic chip, be provided with extraction end face; Conductive plate, is provided with connecting end surface, and described connecting end surface is welded by solder with described extraction end face; Resilient push assembly, comprise the first elastic component and the push rod being provided with described insulating end, described first elastic component one end is fixed on described push rod; When described hot releasing mechanism in working order time, described insulating end is exerted pressure and is arranged between described connecting end surface and described extraction end face; When the heating of described euthermic chip is to described melt solder, described connecting end surface and described exit emaciated face from, under described first resilient element urges, described insulating end moves between described connecting end surface and described extraction end face.
As preferably, described euthermic chip is provided with two electrodes, and electrode described in one of them is provided with extraction end face; Or two described electrodes are respectively arranged with described extraction end face, and described hot releasing mechanism comprises corresponding two the described conductive plates arranging in exit face described with two and two described resilient push assemblies.
As preferably, the setting direction of described conductive plate is vertical with the direction of motion of described push rod.
As preferably, conductive plate is made up of tin-phosphor bronze.
As preferably, described insulating end is the bevelled boss of tool, when described hot releasing mechanism in working order time, exert pressure and be arranged between described connecting end surface and described extraction end face in described boss tip.
As preferably, described hot releasing mechanism also comprises the second elastic component, and its one end is fixed on the bottom surface of described conductive plate.
As preferably, described hot releasing mechanism also comprises the 3rd elastic component and indication piece, and described 3rd elastic component one end is fixed on described indication piece; Described push rod also comprises elongated end, and when described insulating end is pressed between described connecting end surface and described extraction end face, exert pressure and be arranged on described elongated end in described indication piece one end.
As preferably, described hot releasing mechanism also comprises the base plate being provided with the first groove and the second groove, described euthermic chip is arranged in described first groove, described second elastic component is arranged in described second groove, described conductive plate is fixed on described base plate away from one end of described connecting end surface, and the other end of described first elastic component, the second elastic component and described 3rd elastic component is all fixed on described base plate.
As preferably, described push rod is provided with guide groove, described base plate is provided with positioning boss, described positioning boss is arranged in described guide groove, described guide groove is fixed on away from described connecting end surface side in described first elastic component one end, and the other end is fixed on described positioning boss.
As preferably, described push rod is provided with push rod away from described positioning boss side, and the edge of described support is provided with through hole; When described euthermic chip heating is to described melt solder, described push rod stretches out under described first elastic component effect in described through hole.
As preferably, euthermic chip is provided with the first electrode and the second electrode, and described first electrode is provided with described extraction end face; Described base plate is provided with draw-in groove, the exit that described conductive plate is provided with bending member away from described connecting end surface one end and is connected with described bending member, described bending member inserts in described draw-in groove; Described hot releasing mechanism also comprises and is arranged at the first on line plate on described base plate and the second on line plate, and described exit is connected with the first on line plate, and described second electrode is connected with described second on line plate by electrode lead-out pins.
Present invention also offers a kind of surge protector, comprise hot releasing mechanism, described hot releasing mechanism is hot releasing mechanism provided by the invention.
Technical solution of the present invention, tool has the following advantages:
1, hot releasing mechanism provided by the invention, comprise the euthermic chip having and draw end face, the conductive plate with connecting end surface and the resilient push assembly with insulating end, and connecting end surface is welded by solder with described extraction end face, and hot releasing mechanism in working order time described insulating end exert pressure and be arranged between described connecting end surface and described extraction end face, when described euthermic chip heating is to described melt solder, described connecting end surface and described exit emaciated face from, described insulating end moves between described connecting end surface and described extraction end face, play described connecting end surface and the completely isolated effect of described extraction end face, thus avoid solder to stick together, and solve halfway problem of threading off.
2, hot releasing mechanism provided by the invention, described euthermic chip is provided with two electrodes, and draws on end face electrode described in one or two disposed therein, the heat transfer distance between chip and solder is shortened, thus decreases heat transfer time.
3, hot releasing mechanism provided by the invention, also comprises the second elastic component be arranged between described conductive plate and described base plate; When described euthermic chip heating is to described melt solder, connecting end surface flicks rapidly under the double action of its own resilient and the second elastic component, hightail out with extraction end face, thus improve the response time of hot releasing mechanism, make to thread off more rapidly, more thorough.
4, hot releasing mechanism provided by the invention, also comprises the 3rd elastic component and indication piece, and described 3rd elastic component one end is fixed on described indication piece; Described push rod also comprises elongated end, and when described insulating end is pressed between described connecting end surface and described extraction end face, exert pressure and be arranged on described elongated end in described indication piece one end; When described euthermic chip heating is to described melt solder, due to pushrod movement, relieve the position-limiting action to indication piece, indication piece moves right under the second elastic component effect, indicates fault-signal.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the hot releasing mechanism that Fig. 1 provides for embodiment of the present invention when normal operating conditions;
The structural representation of the hot releasing mechanism that Fig. 2 provides for embodiment of the present invention when disengaged position;
The structural representation of the hot releasing mechanism chips that Fig. 3 provides for embodiment of the present invention;
The assembly structure schematic diagram of the hot releasing mechanism chips that Fig. 4 provides for embodiment of the present invention and lock pin;
The structural representation of conducting strip in the hot releasing mechanism that Fig. 5 provides for embodiment of the present invention;
The structural representation of push rod in the hot releasing mechanism that Fig. 6 provides for embodiment of the present invention;
The structural representation of lock pin in the hot releasing mechanism that Fig. 7 provides for embodiment of the present invention.
11-first on line plate; 12-second on line plate; 2-conductive plate; 21-connecting end surface; 22-exit; 23-bending member; 3-second elastic component; 4-push rod; 41-insulating end; 42-guide groove; 43-push rod; 44-elongated end; 5-base plate; 51-positioning boss; 52-draw-in groove; 53-second groove; 54-first groove; 6-the 3rd elastic component; 7-indication piece; 8-first elastic component; 9-euthermic chip; 91-first electrode; 92-crosses electrode lead-out pins; 93-draws end face.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.In addition, if below in the described different execution mode of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
As shown in Figures 1 to 7, present embodiments provide a kind of hot releasing mechanism, comprising:
Euthermic chip 9, is provided with and draws end face 93;
Conductive plate 2, is provided with connecting end surface 21, and described connecting end surface 21 is welded by solder with described extraction end face 93;
Resilient push assembly, comprise the first elastic component 8 and the push rod 4 being provided with described insulating end 41, described first elastic component 8 one end is fixed on described push rod 4;
As shown in Figure 1, when described hot releasing mechanism in working order time, described insulating end 41 is exerted pressure and is arranged between described connecting end surface 21 and described extraction end face 93;
As shown in Figure 2, when described euthermic chip 9 generates heat to described melt solder, described connecting end surface 21 departs from described extraction end face 93, and under described first elastic component 8 promotes, described insulating end 41 moves between described connecting end surface 21 and described extraction end face 93.
The hot releasing mechanism that the present embodiment provides, comprise the euthermic chip having and draw end face, the conductive plate with connecting end surface and the resilient push assembly with insulating end, and connecting end surface is welded by solder with described extraction end face, and hot releasing mechanism in working order time described insulating end exert pressure and be arranged between described connecting end surface and described extraction end face, when described euthermic chip heating is to described melt solder, described connecting end surface and described exit emaciated face from, described insulating end moves between described connecting end surface and described extraction end face, play described connecting end surface and the completely isolated effect of described extraction end face, thus avoid solder to stick together, and solve halfway problem of threading off.
As shown in Figure 3, as preferred embodiment, described euthermic chip 9 is provided with two electrodes, and electrode described in one of them is provided with extraction end face 93; Or two described electrodes are respectively arranged with described extraction end face 93, and described hot releasing mechanism comprises the described conductive plate of corresponding two of arranging of extraction end face 93 described with two 2 and two described resilient push assemblies.
In existing hot releasing mechanism, conducting strip one end is located on chip leading foot, makes the heat transfer distance between chip and scolding tin excessive, causes heat transfer time long, and the corresponding time of threading off is longer.And above-mentioned preference will be by drawing on end face electrode described in one or two disposed therein, the heat transfer distance between chip and solder will be shortened, thus will decrease heat transfer time.
It should be noted that, the inside of euthermic chip 9 also comprises heater, such as piezo-resistance etc.Preferably, the setting direction of described conductive plate 2 is vertical with the direction of motion of described push rod 4.Certainly, the relation that arranges between described conductive plate 2 and described push rod 4 is not limited in above-mentioned preference.
As preferred embodiment, conductive plate 2 is made up of tin-phosphor bronze.
The conductive plate 2 be made up of tin-phosphor bronze itself has good elasticity, is conducive to connecting end surface to flick rapidly, hightails out, thus further increase the response time of hot releasing mechanism with extraction end face, makes to thread off more rapidly, more thorough.
As preferred embodiment, described insulating end 41 is the bevelled boss of tool, when described hot releasing mechanism in working order time, exert pressure and be arranged between described connecting end surface 21 and described extraction end face 93 in described boss tip.
Described insulating end 41 is set to the bevelled boss of tool be conducive to by described connecting end surface with draw end face and hightail out, thus improve the response time of hot releasing mechanism, make to thread off more rapidly, more thorough.
As preferred embodiment, described hot releasing mechanism also comprises the second elastic component 3, and its one end is fixed on the bottom surface of described conductive plate 2.
By arranging the second elastic component 3, when described euthermic chip is generated heat to described melt solder, connecting end surface flicks rapidly under the double action of its own resilient and the second elastic component, hightail out with extraction end face, thus improve the response time of hot releasing mechanism, make thread off more rapidly, more thorough.
As preferred embodiment, described hot releasing mechanism also comprises the 3rd elastic component 6 and indication piece 7, and described 3rd elastic component 6 one end is fixed on described indication piece 7; Described push rod 4 also comprises elongated end 44, and when described insulating end 41 is pressed between described connecting end surface 21 and described extraction end face 93, exert pressure and be arranged on described elongated end 44 in described indication piece 7 one end.
By arranging the 3rd elastic component and indication piece, when described euthermic chip is generated heat to described melt solder, due to pushrod movement, relieve the position-limiting action to indication piece, indication piece moves right under the second elastic component effect, indicates fault-signal.
As shown in Figure 7, as preferred embodiment, described hot releasing mechanism also comprises the base plate 5 being provided with the first groove 54 and the second groove 53, described euthermic chip 9 is arranged in described first groove 54, described second elastic component 3 is arranged in described second groove 53, described conductive plate 2 is fixed on described base plate away from one end of described connecting end surface 21, and the other end of described first elastic component 8, second elastic component 3 and described 3rd elastic component 6 is all fixed on described base plate 5.
Wherein, resilient push assembly is arranged on base plate 5.As further preferred embodiment, described push rod 4 is provided with guide groove 42, described base plate 5 is provided with positioning boss 51, described positioning boss 51 is arranged in described guide groove 42, described guide groove 42 is fixed on away from described connecting end surface 21 side in described first elastic component 8 one end, and the other end is fixed on described positioning boss 51.
As shown in Figure 6, as further preferred embodiment, described push rod 4 is provided with push rod 43 away from described positioning boss 51 side, and the edge of described support is provided with through hole; When described euthermic chip 9 generates heat to described melt solder, described push rod 43 stretches out under described first elastic component 8 acts in described through hole.
Above-mentioned push rod 71 act as the effect playing instruction.
As shown in Fig. 3, Fig. 4 and Fig. 5, as further preferred embodiment, euthermic chip 9 is provided with the first electrode 91 and the second electrode, and described first electrode 91 is provided with described extraction end face 93; Described base plate 5 is provided with draw-in groove 52, the exit 22 that described conductive plate 2 is provided with bending member 23 away from described connecting end surface 21 one end and is connected with described bending member 23, described bending member inserts in described draw-in groove 52; Described hot releasing mechanism also comprises the first on line plate 11 and the second on line plate 12 be arranged on described base plate, and described exit 22 is connected with the first on line plate 11, and described second electrode is connected with described second on line plate 12 by electrode lead-out pins 92.
Embodiment 2
Present embodiments provide a kind of surge protector, comprise hot releasing mechanism, described hot releasing mechanism is hot releasing mechanism provided by the invention.
Present embodiments provide a kind of surge protector, owing to comprising hot releasing mechanism provided by the invention, therefore also possess the advantage of hot releasing mechanism provided by the invention.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.

Claims (12)

1. a hot releasing mechanism, is characterized in that, comprising:
Euthermic chip (9), is provided with and draws end face (93);
Conductive plate (2), is provided with connecting end surface (21), and described connecting end surface (21) is welded by solder with described extraction end face (93);
Resilient push assembly, comprise the first elastic component (8) and be provided with the push rod (4) of described insulating end (41), described first elastic component (8) one end is fixed on described push rod (4);
When described hot releasing mechanism in working order time, described insulating end (41) is exerted pressure and is arranged between described connecting end surface (21) and described extraction end face (93);
When described euthermic chip (9) heating is to described melt solder, described connecting end surface (21) and described extraction end face (93) depart from, and under described first elastic component (8) promotes, described insulating end (41) moves between described connecting end surface (21) and described extraction end face (93).
2. hot releasing mechanism according to claim 1, is characterized in that, described euthermic chip (9) is provided with two electrodes, and electrode described in one of them is provided with extraction end face (93); Or, two described electrodes are respectively arranged with described extraction end face (93), described hot releasing mechanism comprises corresponding two the described conductive plates (2) arranging of extraction end face (93) described with two and two described resilient push assemblies.
3. hot releasing mechanism according to claim 1, is characterized in that, the setting direction of described conductive plate (2) is vertical with the direction of motion of described push rod (4).
4. hot releasing mechanism according to claim 1, is characterized in that, conductive plate (2) is made up of tin-phosphor bronze.
5. hot releasing mechanism according to claim 1, it is characterized in that, described insulating end (41) is the bevelled boss of tool, when described hot releasing mechanism in working order time, exert pressure and be arranged between described connecting end surface (21) and described extraction end face (93) in described boss tip.
6. hot releasing mechanism according to any one of claim 1 to 5, is characterized in that, described hot releasing mechanism also comprises the second elastic component (3), and its one end is fixed on the bottom surface of described conductive plate (2).
7. hot releasing mechanism according to claim 6, is characterized in that,
Described hot releasing mechanism also comprises the 3rd elastic component (6) and indication piece (7), and described 3rd elastic component (6) one end is fixed on described indication piece (7);
Described push rod (4) also comprises elongated end (44), when described insulating end (41) is pressed between described connecting end surface (21) and described extraction end face (93), exert pressure and be arranged on described elongated end (44) in described indication piece (7) one end.
8. hot releasing mechanism according to claim 7, it is characterized in that, described hot releasing mechanism also comprises the base plate (5) being provided with the first groove (54) and the second groove (53), described euthermic chip (9) is arranged in described first groove (54), described second elastic component (3) is arranged in described second groove (53), described conductive plate (2) is fixed on described base plate away from one end of described connecting end surface (21), described first elastic component (8), the other end of the second elastic component (3) and described 3rd elastic component (6) is all fixed on described base plate (5).
9. hot releasing mechanism according to claim 8, it is characterized in that, described push rod (4) is provided with guide groove (42), described base plate (5) is provided with positioning boss (51), described positioning boss (51) is arranged in described guide groove (42), described guide groove (42) is fixed on away from described connecting end surface (21) side in described first elastic component (8) one end, and the other end is fixed on described positioning boss (51).
10. hot releasing mechanism according to claim 9, is characterized in that, described push rod (4) is provided with push rod (43) away from described positioning boss (51) side, and the edge of described support is provided with through hole; When described euthermic chip (9) heating is to described melt solder, described push rod (43) stretches out under described first elastic component (8) effect in described through hole.
11. hot releasing mechanisms according to claim 8, it is characterized in that, euthermic chip (9) is provided with the first electrode (91) and the second electrode, and described first electrode (91) is provided with described extraction end face (93); Described base plate (5) is provided with draw-in groove (52), the exit (22) that described conductive plate (2) is provided with bending member (23) away from described connecting end surface (21) one end and is connected with described bending member (23), described bending member inserts in described draw-in groove (52); Described hot releasing mechanism also comprises and is arranged at the first on line plate (11) on described base plate and the second on line plate (12), described exit (22) is connected with the first on line plate (11), and described second electrode is connected with described second on line plate (12) by electrode lead-out pins (92).
12. 1 kinds of surge protectors, comprise hot releasing mechanism, it is characterized in that, the hot releasing mechanism of described hot releasing mechanism according to any one of claim 1 to 11.
CN201511029516.XA 2015-12-31 2015-12-31 Hot releasing mechanism and surge protector Active CN105448611B (en)

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CN105448611B CN105448611B (en) 2018-01-16

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Cited By (6)

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CN108428605A (en) * 2018-04-28 2018-08-21 深圳市海鹏信电子股份有限公司 A kind of tripping mechanism and the surge protection device with it
CN108666181A (en) * 2018-04-28 2018-10-16 深圳市海鹏信电子股份有限公司 A kind of tripping mechanism and the surge protection device with it
CN111375858A (en) * 2018-12-28 2020-07-07 深圳市海鹏信电子股份有限公司 Welding method and welding system for electrode plate of surge protector
WO2022218066A1 (en) * 2021-04-16 2022-10-20 厦门赛尔特电子有限公司 Surge protector with dual tripping mechanisms
WO2023155391A1 (en) * 2022-02-18 2023-08-24 上海正泰智能科技有限公司 Thermal disconnection and indication mechanism and surge protector
CN108666181B (en) * 2018-04-28 2024-03-15 深圳市海鹏信电子股份有限公司 Tripping mechanism and surge protection device with same

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CN202167433U (en) * 2011-08-17 2012-03-14 神龙电气有限公司 Flash barrier of surge protection device
CN204857626U (en) * 2015-08-12 2015-12-09 德力西电气有限公司 Surge protector's heat breaks away from mechanism
CN205319108U (en) * 2015-12-31 2016-06-15 德力西电气有限公司 Heat breaks away from mechanism and surge protector

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CN200953462Y (en) * 2006-09-30 2007-09-26 浙江德力西电器股份有限公司 Surge protector fault tripping indicating mechanism
CN101546910A (en) * 2009-04-29 2009-09-30 黄海舟 Surge protector
CN201594736U (en) * 2010-01-12 2010-09-29 佛山市浦斯电子有限公司 Surge suppressor with arc extinguishing function
CN202167433U (en) * 2011-08-17 2012-03-14 神龙电气有限公司 Flash barrier of surge protection device
CN204857626U (en) * 2015-08-12 2015-12-09 德力西电气有限公司 Surge protector's heat breaks away from mechanism
CN205319108U (en) * 2015-12-31 2016-06-15 德力西电气有限公司 Heat breaks away from mechanism and surge protector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108428605A (en) * 2018-04-28 2018-08-21 深圳市海鹏信电子股份有限公司 A kind of tripping mechanism and the surge protection device with it
CN108666181A (en) * 2018-04-28 2018-10-16 深圳市海鹏信电子股份有限公司 A kind of tripping mechanism and the surge protection device with it
CN108428605B (en) * 2018-04-28 2024-02-23 深圳市海鹏信电子股份有限公司 Tripping mechanism and surge protection device with same
CN108666181B (en) * 2018-04-28 2024-03-15 深圳市海鹏信电子股份有限公司 Tripping mechanism and surge protection device with same
CN111375858A (en) * 2018-12-28 2020-07-07 深圳市海鹏信电子股份有限公司 Welding method and welding system for electrode plate of surge protector
CN111375858B (en) * 2018-12-28 2021-10-12 深圳市海鹏信电子股份有限公司 Welding method and welding system for electrode plate of surge protector
WO2022218066A1 (en) * 2021-04-16 2022-10-20 厦门赛尔特电子有限公司 Surge protector with dual tripping mechanisms
WO2023155391A1 (en) * 2022-02-18 2023-08-24 上海正泰智能科技有限公司 Thermal disconnection and indication mechanism and surge protector

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