CN110335791A - A kind of failed open type protection device - Google Patents

A kind of failed open type protection device Download PDF

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Publication number
CN110335791A
CN110335791A CN201910714322.5A CN201910714322A CN110335791A CN 110335791 A CN110335791 A CN 110335791A CN 201910714322 A CN201910714322 A CN 201910714322A CN 110335791 A CN110335791 A CN 110335791A
Authority
CN
China
Prior art keywords
shell
protection element
overvoltage protection
copper sheet
bakelite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910714322.5A
Other languages
Chinese (zh)
Inventor
吴家健
孙健锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agile Semiconductor Ltd
Original Assignee
Agile Semiconductor Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agile Semiconductor Ltd filed Critical Agile Semiconductor Ltd
Priority to CN201910714322.5A priority Critical patent/CN110335791A/en
Publication of CN110335791A publication Critical patent/CN110335791A/en
Pending legal-status Critical Current

Links

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
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • 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
    • H01H71/04Means for indicating condition of the switching device
    • 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

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention discloses a kind of failed open types to protect device, including shell one, device overvoltage protection element in the shell one, it is provided with overvoltage protection element on the overvoltage protection element and powers on electrode slice under pole piece and overvoltage protection element, the overvoltage protection element powers on pole piece and passes through low temperature soldering paste firm welding with copper sheet is connect, the surrounding of the overvoltage protection element fills colloid, the connection copper sheet is fixed with tension spring one end, the tension spring other end is fixed on the upside of upper junction plate, the upper junction plate is arranged in shell two, the edge of the connection copper sheet is provided with bakelite showing rod, the shell one is additionally provided with arc extinguishing insulator.Fault surge protector of the present invention integrates traditional releasing mechanism with indicating mechanism; it is simple and compact for structure, it is stable, indicate high reliablity; the state of accurate instruction current failure surge protector, effective protection equipment while, improve safety in utilization.

Description

A kind of failed open type protection device
Technical field
The present invention relates to the protection device arts of electronic electric equipment, specially a kind of failed open type protector Part.
Background technique
Fault surge protector is a kind of to provide security protection for various electronic equipments, instrument and meter, communication line Electronic device, effect is that the instantaneous overvoltage for scurrying into power line, signal transmssion line is limited in equipment or system to can bear Voltage range in, with the development of the industries such as electric power, communication, fault surge protector be will be used wider and wider, The number to break down in is more and more.When fault surge protector deteriorate or overload after, such as cannot in time with exchange Or the accidents such as fire will occur when DC circuit and equipment safety separation, therefore the deterioration of fault surge protector or overload feelings Safety under condition more and more attention has been paid to.
The releasing mechanism part of existing fault surge protector and indicating mechanism part are independent structure, when encountering spy When big overload current passes through, the solder between metal clips and overvoltage protection element pin reaches the shape of fusing or melting State, releasing mechanism part separates metal clips with overvoltage protection element pin and expands spacing distance, but releasing mechanism Reliable transmission between part and indicating mechanism part is low, and structure is complicated, works long hours in rugged environment, occurs exhausted Edge body aging fracture causes indicating mechanism part reliably cannot accurately carry out separation and state instruction, is easy to appear and accidentally indicates Situation, influence equipment safety in utilization.
Summary of the invention
The technical problems to be solved by the invention and the technical assignment of proposition are improved to the prior art, and one kind is provided Fault surge protector solves releasing mechanism part and the instruction machine of traditional fault surge protector in current technology Structure part is absolute construction, causes fault surge protector state instruction reliability low, is easy error, and safety in utilization is low Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of failed open type protects device, including shell One, device overvoltage protection element in the shell one is provided with overvoltage protection element on the overvoltage protection element Electrode slice under pole piece and overvoltage protection element is powered on, the overvoltage protection element powers on pole piece and passes through low temperature with copper sheet is connect The surrounding of soldering paste firm welding, the overvoltage protection element fills colloid, and the connection copper sheet is fixed with tension spring one end, described The tension spring other end is fixed on the upside of upper junction plate, and the upper junction plate is arranged in shell two, the top of the connection copper sheet It is provided with conducting wire, and conducting wire extends shell two, the edge of the connection copper sheet is provided with bakelite showing rod, the shell Two surfaces are provided with bakelite showing rod sliding groove, and the shell one is additionally provided with arc extinguishing insulator, the connection copper sheet and Overvoltage protection element powers on pole piece and is in connection status, and the arc extinguishing insulator is fully wrapped around to be lived to connect copper sheet and overvoltage guarantor Protection element, the bakelite showing rod are located at the inside of shell two, and the colloid covers voltage protection component.
Preferably, the connection copper sheet and overvoltage protection element power on pole piece and are in connection status, institute under normal condition It states arc extinguishing insulator fully wrapped around firmly connection copper sheet and overvoltage protection element, the bakelite showing rod and is located at shell two Inside, the colloid cover overvoltage protection element, abnormal condition, and the connection copper sheet is shunk rapidly under the action of tension spring Separation, and drive bakelite showing rod side chute along shell two to move up and protrude two surface of shell, instruction is protected Shield device has been turned on, and the colloid flowing covers separated part and plays the role of arc extinguishing.
Preferably, the shell two is provided with upper junction plate fixing groove.
Preferably, the tension spring is elastic material, and conducting wire is braiding annealed copper wire.
Preferably, the shell one, shell two and bakelite showing rod are made of insulating materials.
Preferably, the colloid is fabricated to using Silica hydrogel.
Preferably, the connection copper sheet, tension spring, upper junction plate, bakelite showing rod and conducting wire form releasing mechanism.
The present invention proposes a kind of failed open type protection device, and beneficial effect is:
Fault surge protector of the present invention integrates traditional releasing mechanism with indicating mechanism, and structure is simple It is compact, it is stable, it indicates high reliablity, accurately indicates the state of current failure surge protector, effective protection equipment Safety in utilization is improved simultaneously, avoids maloperation.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 powers on the structural schematic diagram after pole piece separates with overvoltage protection element for present invention connection copper sheet;
Fig. 3 is the red bakelite showing rod of the present invention along shell guide chute structural schematic diagram.
In figure: 2, overvoltage protection element, 5, overvoltage protection element power on pole piece, 6, electrode under overvoltage protection element Piece, 8, colloid, 9, shell one, 10, shell two, 11, conducting wire, 12, low temperature soldering paste, 13, connection copper sheet, 14, upper junction plate, 15, Tension spring, 16, bakelite showing rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of failed open type protection device, including shell one 9, shell 1 in device overvoltage protection element 2, be provided with overvoltage protection element top electrode on overvoltage protection element 2 Electrode slice 6 under piece 5 and overvoltage protection element, overvoltage protection element power on pole piece 5 and pass through low temperature soldering paste with copper sheet 13 is connect 12 firm weldings, the surrounding of overvoltage protection element 2 fill colloid 8, and colloid 8 protected overvoltage protection element 2, reduce by outer The influence of boundary's environment, connection copper sheet 13 are fixed with 15 one end of tension spring, and 15 other end of tension spring is fixed on the upside of upper junction plate 14, Tension spring 15 is elastic material, and upper junction plate 14 is arranged in shell 2 10, and the top of connection copper sheet 13 is provided with conducting wire 11, conducting wire 11 be braiding annealed copper wire, and conducting wire 11 extends shell 2 10, and electric property is good, and ensures that releasing mechanism can be move freely, The edge of connection copper sheet 13 is provided with bakelite showing rod 16, and bakelite showing rod 16 is red, and 2 10 surface of shell is opened Have bakelite showing rod sliding groove, shell 2 10 is provided with upper junction plate fixing groove, shell 1 be additionally provided with arc extinguishing insulation Body, connects copper sheet 13 and overvoltage protection element 2 powers on pole piece and is in connection status, and arc extinguishing insulator is fully wrapped around to be lived to connect copper Piece 13 and overvoltage protection element 2 completely cut off the contact with external environment, and the use environment for stabilizing product, which increases, uses to obtain the longevity It orders, is also provided with arc-extinguishing mechanism in shell 1, when being in abnormal condition, connection copper sheet 13 is powered on overvoltage protection element Pole piece 5 separates, and surrounding filling colloid 8 covers and powers on pole piece, plays the role of arc extinguishing, when there is especially big overload current to pass through When causing overvoltage protection element 2 improper, stable connection copper sheet 13 can be retracted so that in fault surge protector The protrusion of bakelite showing rod 16, indicate correct status information, colloid 8 flows covering overvoltage protection element simultaneously Pole piece is powered on, and realizes electrical isolation, safety in utilization is improved, improves the job stability of fault surge protector, really The effect stablized and realize protection equipment is protected, bakelite instruction 16 is located at the inside of shell 2 10, shell 1,2 10 and of shell Bakelite showing rod 16 is made of insulating materials, improves safety in utilization, and colloid 8 covers voltage protection component 2, colloid 8 It is fabricated to using Silica hydrogel;
Connect copper sheet 13, tension spring 15, upper junction plate 14, the composition releasing mechanism of bakelite showing rod 16, bakelite showing rod 16 protrude 2 10 surface of shell as connection copper sheet 13 is mobile under the action of tension spring 15, to indicate fault surge protection Device is in abnormal condition;
Copper sheet 13 is connected under normal condition and overvoltage protection element 2 powers on pole piece and is in connection status, and arc extinguishing insulator is complete Connection copper sheet 13 and overvoltage protection element 2 are wrapped, bakelite showing rod 16 is located at the inside of shell 2 10, and colloid 8 covers Lid overvoltage protection element 2, abnormal condition connect copper sheet 13 and shrink separation rapidly under the action of tension spring 15, and drive exhausted The side chute along shell 2 10 of edge bakelite showing rod 16 moves up and protrudes 2 10 surface of shell, and instruction protector has been turned on, The flowing of colloid 8 covers separated part and plays the role of arc extinguishing.
Its detailed connection means is techniques well known, following mainly to introduce working principle and process, specific works It is as follows.
Traditional releasing mechanism is integrated with indicating mechanism, bakelite showing rod 16 is directly anchored to connection copper On piece 13, when overvoltage protection element 2 is in normal condition, bakelite showing rod position 16 in the inside of shell 2 10, thus Fault surge protector shows that normal instruction information connects copper sheet when overvoltage protection element 2 is in abnormal condition 13, which power on the thawing of low temperature soldering paste 12 between pole piece with overvoltage protection element 2, separates, and 15 speed of tension spring is shunk, and connection copper sheet is driven 13 and bakelite showing rod 16 up move, bakelite showing rod 16 moves along the sliding guide groove on shell 2 10, and Expose red beyond 2 10 surface of shell, shows that fault surge protector is now arranged in abnormal condition.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of failed open type protects device, including shell one (9), which is characterized in that the interior device mistake of the shell one (9) Voltage protection component (2) is provided with overvoltage protection element on the overvoltage protection element (2) and powers on pole piece (5) He Guo electricity Electrode slice (6) under protection element is pressed, the overvoltage protection element powers on pole piece (5) and passes through low temperature soldering paste with copper sheet (13) are connect (12) surrounding of firm welding, the overvoltage protection element (2) fills colloid (8), the connection copper sheet (13) and tension spring (15) one end is fixed, and tension spring (15) other end is fixed on the upside of upper junction plate (14), upper junction plate (14) setting In shell two (10), the top of connection copper sheet (13) is provided with conducting wire (11), and conducting wire (11) extends shell two (10), the edge of connection copper sheet (13) is provided with bakelite showing rod (16), and shell two (10) surface is provided with absolutely Edge bakelite showing rod sliding groove, the shell one (9) are additionally provided with arc extinguishing insulator, the connection copper sheet (13) and overvoltage Protection element (2) powers on pole piece and is in connection status, and the arc extinguishing insulator is fully wrapped around to be lived to connect copper sheet (13) and overvoltage Protection element (2), the bakelite showing rod (16) are located at the inside of shell two (10), and colloid (8) the covering voltage is protected Protection element (2).
2. a kind of failed open type according to claim 1 protects device, it is characterised in that: the connection under normal condition Copper sheet (13) and overvoltage protection element (2) power on pole piece and are in connection status, and the arc extinguishing insulator is fully wrapped around to be lived to connect Copper sheet (13) and overvoltage protection element (2), the bakelite showing rod (16) are located at the inside of shell two (10), the glue Body (8) covers overvoltage protection element (2), abnormal condition, and the connection copper sheet (13) is rapid under the action of tension spring (15) Separation is shunk, and bakelite showing rod (16) side chute along shell two (10) is driven to move up and protrude shell two (10) surface, instruction protector have been turned on, and colloid (8) flowing covers separated part and plays the role of arc extinguishing.
3. a kind of failed open type according to claim 1 protects device, it is characterised in that: shell two (10) setting There is upper junction plate fixing groove.
4. a kind of failed open type according to claim 1 protects device, it is characterised in that: the tension spring (15) is bullet Property material, conducting wire (11) be braiding annealed copper wire.
5. a kind of failed open type according to claim 1 protects device, it is characterised in that: the shell one (9), shell Two (10) and bakelite showing rod (16) are made of insulating materials.
6. a kind of failed open type according to claim 1 protects device, it is characterised in that: the colloid (8) uses silicon Gel is fabricated to.
7. a kind of failed open type according to claim 1 protects device, it is characterised in that: the connection copper sheet (13), Tension spring (15), upper junction plate (14), bakelite showing rod (16) and conducting wire (11) form releasing mechanism.
CN201910714322.5A 2019-09-01 2019-09-01 A kind of failed open type protection device Pending CN110335791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910714322.5A CN110335791A (en) 2019-09-01 2019-09-01 A kind of failed open type protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910714322.5A CN110335791A (en) 2019-09-01 2019-09-01 A kind of failed open type protection device

Publications (1)

Publication Number Publication Date
CN110335791A true CN110335791A (en) 2019-10-15

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CN201910714322.5A Pending CN110335791A (en) 2019-09-01 2019-09-01 A kind of failed open type protection device

Country Status (1)

Country Link
CN (1) CN110335791A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2785116Y (en) * 2005-02-02 2006-05-31 浙江德力西电器股份有限公司 Heat deviation structure of surge protector
CN201247953Y (en) * 2008-06-05 2009-05-27 浙江正泰电器股份有限公司 Surge protector capable of reliably indicating fault state
CN103198985A (en) * 2013-04-10 2013-07-10 四川中光防雷科技股份有限公司 Surge protection device
CN103198984A (en) * 2013-04-10 2013-07-10 四川中光防雷科技股份有限公司 High-security surge protection device
CN203179823U (en) * 2013-04-10 2013-09-04 四川中光防雷科技股份有限公司 High security surge protector
CN205303373U (en) * 2016-01-12 2016-06-08 四川中光防雷科技股份有限公司 Surge protection device
CN106684848A (en) * 2016-11-15 2017-05-17 广西新全通电子技术有限公司 Surge protection device having arc extinction function implemented by high performance arc shield
CN106910663A (en) * 2017-04-28 2017-06-30 湖南中普技术股份有限公司 Surge protector and its guard method with pre- tripping function
CN208589776U (en) * 2018-08-15 2019-03-08 四川中光防雷科技股份有限公司 A kind of overcurrent overvoltage protection device
CN209313419U (en) * 2019-01-07 2019-08-27 四川中光防雷科技股份有限公司 A kind of surge protector
CN210040095U (en) * 2019-08-03 2020-02-07 捷捷半导体有限公司 Fault open circuit type protection device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2785116Y (en) * 2005-02-02 2006-05-31 浙江德力西电器股份有限公司 Heat deviation structure of surge protector
CN201247953Y (en) * 2008-06-05 2009-05-27 浙江正泰电器股份有限公司 Surge protector capable of reliably indicating fault state
CN103198985A (en) * 2013-04-10 2013-07-10 四川中光防雷科技股份有限公司 Surge protection device
CN103198984A (en) * 2013-04-10 2013-07-10 四川中光防雷科技股份有限公司 High-security surge protection device
CN203179823U (en) * 2013-04-10 2013-09-04 四川中光防雷科技股份有限公司 High security surge protector
CN205303373U (en) * 2016-01-12 2016-06-08 四川中光防雷科技股份有限公司 Surge protection device
CN106684848A (en) * 2016-11-15 2017-05-17 广西新全通电子技术有限公司 Surge protection device having arc extinction function implemented by high performance arc shield
CN106910663A (en) * 2017-04-28 2017-06-30 湖南中普技术股份有限公司 Surge protector and its guard method with pre- tripping function
CN208589776U (en) * 2018-08-15 2019-03-08 四川中光防雷科技股份有限公司 A kind of overcurrent overvoltage protection device
CN209313419U (en) * 2019-01-07 2019-08-27 四川中光防雷科技股份有限公司 A kind of surge protector
CN210040095U (en) * 2019-08-03 2020-02-07 捷捷半导体有限公司 Fault open circuit type protection device

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