CN208299436U - A kind of big through-flow Surge Protector - Google Patents

A kind of big through-flow Surge Protector Download PDF

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Publication number
CN208299436U
CN208299436U CN201821050058.7U CN201821050058U CN208299436U CN 208299436 U CN208299436 U CN 208299436U CN 201821050058 U CN201821050058 U CN 201821050058U CN 208299436 U CN208299436 U CN 208299436U
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CN
China
Prior art keywords
electrode
remote signalling
low temperature
big
elastic slice
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.)
Active
Application number
CN201821050058.7U
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Chinese (zh)
Inventor
黄贵君
谢韬
鲍舒耕
任怡
李天密
杨国华
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.)
SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGIES Co Ltd
Original Assignee
SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGIES Co Ltd
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Priority to CN201821050058.7U priority Critical patent/CN208299436U/en
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Publication of CN208299436U publication Critical patent/CN208299436U/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12Overvoltage protection resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T1/00Details of spark gaps
    • H01T1/14Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/06Mounting arrangements for a plurality of overvoltage arresters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuses (AREA)

Abstract

The utility model discloses a kind of big through-flow Surge Protector; including plug-in module and pedestal; the slot for accommodating plug-in module is provided on the pedestal; the plug-in module includes outer housing and the surge protection component that is arranged in outer housing; the surge protection component includes electrode one, electrode two and the varistor being connected between electrode one, electrode two, gas-discharge tube and trip assembley therefor, and the electrode one, electrode two are pierced by outer housing and connect when plug-in module is inserted into slot with the electric mortiser interface being arranged on pedestal.Big through-flow Surge Protector described in the utility model carries out surge protection using varistor, the concatenated mode of gas-discharge tube; through-current capacity is big; and the leakage current of varistor can be cut off; failure when can safety release, effective protection equipment, improve safety in utilization; reduce loss; favorable working performance, small in size, applicability is good.

Description

A kind of big through-flow Surge Protector
Technical field
The utility model relates to surge protection technique field more particularly to a kind of big through-flow Surge Protectors.
Background technique
Surge Protector is to provide the electronic device of security protection for various electronic equipments, instrument and meter, communication line, Its effect is that the instantaneous overvoltage for scurrying into power line, signal transmssion line is limited in the voltage range that equipment or system can bear It is interior, or powerful surge current aerial drainage is entered into ground, avoid equipment or system from being hit damage.
The through-current capacity of existing pluggable Surge Protector is smaller, and leakage current is larger, and protective value is poor, uses peace Full property is lower.
Utility model content
Technical problem to be solved in the utility model and the technical assignment of proposition are improved to the prior art, are provided A kind of big through-flow Surge Protector, solves in current technology that pluggable Surge Protector through-current capacity is smaller, and leakage current is larger, protects Protect the poor problem of performance.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of big through-flow Surge Protector, which is characterized in that including plug-in module and pedestal, be provided on the pedestal The slot of plug-in module is accommodated, the plug-in module includes outer housing and the surge protection component that is arranged in outer housing, institute Stating surge protection component includes electrode one, electrode two and the varistor being connected between electrode one, electrode two, gas discharge Pipe and trip assembley therefor, the electrode one, electrode two are pierced by outer housing and are arranged when plug-in module is inserted into slot and on pedestal Electric mortiser interface connection.Big through-flow Surge Protector described in the utility model is concatenated using varistor, gas-discharge tube Mode carries out surge protection, and varistor has a high impedance under low current voltage, but upper with surge current and voltage It rises its impedance persistently to reduce, gas-discharge tube is voltage switch type device, has high impedance when without surge, when to surge voltage Low ESR is mutated into when response, the two is used in series the leakage current that can cut off varistor, to delay varistor Aging, extends the working life of varistor, while the shadow that varistor capacitance works to system is greatly reduced It rings.Using trip assembley therefor in varistor, gas discharge tube failure can safe escape, avoid short circuit from causing to burn, improve Safety in utilization reduces loss, and favorable working performance, through-flow big, small in size, applicability is good.
Further, the trip assembley therefor include low temperature tripping welding stage and be detached from elastic slice, low temperature thread off welding stage with it is pressure-sensitive The electrode of resistance or gas-discharge tube is connected, and low temperature tripping welding stage, varistor and gas-discharge tube are covered by box body, box The opening for exposing low temperature tripping welding stage is opened up on body, is detached from elastic slice and is arranged on the outside of box body and leads to low temperature tripping welding stage Cross low temperature solder connection.It is detached from elastic slice to be isolated between varistor, gas-discharge tube by box body, high reliablity of threading off, when Varistor, gas-discharge tube gradually degrade cause temperature gradually rise or varistor, gas-discharge tube encounter it is especially big Overload current when passing through, varistor, gas-discharge tube temperature quickly increase, be detached between elastic slice and low temperature tripping welding stage Solder fusing to both connection separation so that circuit disconnect, effective protection equipment, improve safety in utilization, reduce loss.
Further, reinforcing rib is provided on the disengaging elastic slice, it is ensured that it will not be deformed in big through-flow lower disengaging elastic slice, Improve use reliability.
Further, the trip assembley therefor further includes pushing tow interrupter, and the pushing tow interrupter includes arc extinguishing Slide plate and elastic component, the arc extinguishing slide plate, which is located at, to be detached between elastic slice and box body, described elastic component one end and arc extinguishing slide plate The connection other end is connected on box body, and arc extinguishing slide plate is resisted against the weldering for being detached from elastic slice and low temperature tripping welding stage under elastic component effect On contact, and the opening covered on box body is moved to after being detached from elastic slice and separating with low temperature tripping welding stage.Electric current it is excessive or When person's failure leads to the solder fusing being detached between elastic slice and low temperature tripping welding stage, arc extinguishing slide plate is under the action of the elastic member to box Opening sliding on body and the overlay masking that will be open, avoid the occurrence of gap, so that it is gentle with varistor effectively to will be disengaged from elastic slice Body discharge tube, which separates and expands spacing distance, achievees the purpose that electrical isolation and arc extinguishing, and effective protection equipment is improved using safe Property.
Further, the elastic component is the spring for being symmetrically connected to arc extinguishing slide plate two sides, enables arc extinguishing slide plate steady Fixed is moved to the opening covered on box body, improves the reliability of electrical isolation and arc extinguishing.
Further, the trip assembley therefor further includes remote signalling state indication unit, the remote signalling state indication unit Including the effective instruction block being arranged on remote signalling sliding block, the remote signalling spring and arc extinguishing slide plate that push remote signalling sliding block to act, remote signalling sliding block Remote signalling contact of the Indication of Losing Efficacy block other end for being arranged on touch-control pedestal is arranged in one end, has opened up on outer housing and has been detached from elastic slice The indication window for exposing effectively instruction block when connecting with low temperature tripping welding stage, when disengaging elastic slice is connect with low temperature tripping welding stage, Remote signalling sliding block is resisted against on arc extinguishing slide plate under the action of remote signalling spring, and is separately led being detached from elastic slice with low temperature tripping welding stage The Indication of Losing Efficacy block for causing arc extinguishing slide plate to remove rear remote signalling sliding block exposes in indication window.Under normal usage, indication window Effective instruction block on arc extinguishing slide plate is shown, and remote signalling sliding block presses the remote signalling contact on pedestal, remote signalling contact connects Then remote signalling switchs, and utilizes the working condition and protector module of remote signalling switch monitors protector module and the connection shape of pedestal State;After especially big overload current or failure occur causes disengaging elastic slice and low temperature tripping welding stage to be threaded off, arc extinguishing slide plate It removes, so that remote signalling sliding block moves under the effect of remote signalling spring, the Indication of Losing Efficacy block on remote signalling sliding block is in indication window It shows, and remote signalling sliding block unclamps the remote signalling contact on pedestal, reliably can timely grasp the work shape of Surge Protector Condition, it is ensured that timely carry out maintenance processing.
Compared with prior art, the utility model advantage is:
Big through-flow Surge Protector described in the utility model is carried out using varistor, the concatenated mode of gas-discharge tube Surge protection, the afterflow after gas-discharge tube breakdown conducting can be cut off, and the leakage current of varistor can be cut off, and Limitation voltage when reducing individually with varistor, in failure can safety release, effective protection equipment improves using peace Quan Xing reduces loss, and favorable working performance, through-flow big, maximum discharge current is up to 120kA, and small in size, applicability is good, using slotting Structure is pulled out, it is convenient to be safeguarded, replaced in damage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plug-in module and pedestal cooperation;
Fig. 2 is the structural schematic diagram inside plug-in module;
Fig. 3 is the attachment structure schematic diagram for being detached from elastic slice and varistor, gas-discharge tube;
The structural schematic diagram of Fig. 4 disengaging elastic slice;
Fig. 5 is the status diagram of remote signalling state indication unit after tripping.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of big through-flow Surge Protector, effectively increase through-current capacity, reduce leakage current disclosed in the utility model embodiment, Be detached from elastic slice it is big it is through-flow it is lower will not deform, improve protective value, raising safety in utilization.
As shown in Figures 1 to 5, a kind of big through-flow Surge Protector, including plug-in module 2 and pedestal 1, the pedestal 1 Upper to be provided with the slot 11 for accommodating the U-shaped of plug-in module 2, the plug-in module 2 includes outer housing 3 and is arranged in outer housing 3 Interior surge protection component, the surge protection component include electrode 1, electrode 2 32 and are connected on electrode 1, electrode Varistor 4, gas-discharge tube 5 and trip assembley therefor between 2 32, electrode 1, electrode 2 32 are pierced by outer housing 3 and are inserting It is connect when draft block 2 is inserted into slot 11 with the electric mortiser interface 12 of 11 bottom of the U-shaped slot setting on pedestal 1.
Trip assembley therefor mainly includes low temperature tripping welding stage 6 and is detached from elastic slice 7, and low temperature is threaded off welding stage 6 and varistor 4 or gas The electrode of body discharge tube 5 is connected, and low temperature tripping welding stage 6, varistor 4 and gas-discharge tube 5 are covered by box body 8, box body 8 On open up opening 81 for exposing low temperature tripping welding stage 6,81 setting of opening is detached from elastic slice 7 and is arranged in box body at the top of box body 8 It is connect on the outside of 8 and with low temperature tripping welding stage 6 by solder, in the present embodiment, is detached from elastic slice 7 and electrode 2 32 connects It connects, electrode 1 is connect with varistor 4 or gas-discharge tube 5, in order to deform in big through-flow lower disengaging elastic slice, is being detached from Reinforcing rib 71 is provided on elastic slice 7, disengaging elastic slice 7 is sheet metal, and reinforcing rib 71 is to go out the strip stamped out by panel beating Shape convex closure, and reinforcing rib 71 it is parallel be provided with several.
In order to improve the electrical isolation effect after tripping, trip assembley therefor further includes pushing tow interrupter, the pushing tow every Structure of disembarking includes arc extinguishing slide plate 9 and elastic component 10, and the arc extinguishing slide plate 9, which is located at, to be detached between elastic slice 7 and box body 8, described 10 one end of elastic component connect the other end with arc extinguishing slide plate 9 and is connected on box body 8, and elastic component 10 is to be symmetrically connected to arc extinguishing slide plate 9 The spring of two sides, arc extinguishing slide plate 9 are resisted against on the pad for being detached from elastic slice 7 and low temperature tripping welding stage 6 under the effect of elastic component 10, And it is moved to the opening 81 covered on box body 8 after being detached from elastic slice 7 and separating with low temperature tripping welding stage 6, to effectively will be disengaged from Elastic slice, which separates with varistor and gas-discharge tube and expands spacing distance, achievees the purpose that electrical isolation and arc extinguishing.
Trip assembley therefor further includes remote signalling state indication unit, the remote signalling state indication unit include remote signalling sliding block 14, The effective instruction block 91 being arranged on the remote signalling spring 15 and arc extinguishing slide plate 9 for pushing remote signalling sliding block 14 to act, 14 one end of remote signalling sliding block Remote signalling contact 13 of 141 other end of Indication of Losing Efficacy block for being arranged on touch-control pedestal 1 is set, has opened up and has been detached from outer housing 3 Elastic slice 7 exposes the indication window 33 of effectively instruction block 91 when connecting with low temperature tripping welding stage 6, pushing tow interrupter is arranged in box body The top surface of outer housing 3, remote signalling is arranged in 8 top, arc extinguishing slide plate 9 transverse shifting, indication window 33 under the effect of elastic component 10 Sliding block 14 moves along the vertical direction under the action of remote signalling spring 15.It is being detached from elastic slice 7 and the low temperature tripping holding connection of welding stage 6 When, remote signalling sliding block 14 is resisted against 9 downside of arc extinguishing slide plate under the action of remote signalling spring 15, and when plug-in module 2 is inserted into seat When slot on body 1, remote signalling sliding block 14 presses the remote signalling contact 13 on pedestal 1, and remote signalling contact 13 is connected to remote signalling switch, benefit With the working condition of remote signalling switch monitors protector module and the connection status of protector module and pedestal;And it is especially big when occurring Overload current or failure lead to be detached from elastic slice 7 and low temperature and thread off welding stage 6 when separating, arc extinguishing slide plate 9 is removed and covers box body 8 On opening 81, remote signalling sliding block 14 pops up under the action of remote signalling spring 15, the Indication of Losing Efficacy block 141 on remote signalling sliding block 14 Expose in indication window 33, and remote signalling sliding block 14 unclamps the remote signalling contact 13 on pedestal 1, so that the state of remote signalling switch occurs Variation, can intuitively grasp the working condition of Surge Protector in time.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (6)

1. a kind of big through-flow Surge Protector, which is characterized in that including plug-in module (2) and pedestal (1), the pedestal (1) Upper to be provided with the slot (11) for accommodating plug-in module (2), the plug-in module (2) includes outer housing (3) and is arranged in shell Surge protection component in body (3), the surge protection component include electrode one (31), electrode two (32) and are connected on electrode Varistor (4), gas-discharge tube (5) and trip assembley therefor between one (31), electrode two (32), the electrode one (31), The electric mortiser interface that electrode two (32) is pierced by outer housing (3) and is arranged when plug-in module (2) are inserted into slot (11) and on pedestal (1) (12) it connects.
2. big through-flow Surge Protector according to claim 1, which is characterized in that the trip assembley therefor includes that low temperature is de- It detains welding stage (6) and is detached from elastic slice (7), low temperature tripping welding stage (6) is connected with the electrode of varistor (4) or gas-discharge tube (5), And low temperature tripping welding stage (6), varistor (4) and gas-discharge tube (5) are covered by box body (8), are opened up and are used on box body (8) Expose the opening (81) of low temperature tripping welding stage (6), be detached from elastic slice (7) setting on the outside of the box body (8) and thread off welding stage with low temperature (6) it is connected by solder.
3. big through-flow Surge Protector according to claim 2, which is characterized in that be arranged on the disengaging elastic slice (7) There are reinforcing rib (71).
4. big through-flow Surge Protector according to claim 2, which is characterized in that the trip assembley therefor further includes pushing tow Interrupter, the pushing tow interrupter include arc extinguishing slide plate (9) and elastic component (10), and the arc extinguishing slide plate (9) is located at It is detached between elastic slice (7) and box body (8), the elastic component (10) one end connect the other end with arc extinguishing slide plate (9) and is connected to box On body (8), arc extinguishing slide plate (9) is resisted against the welding for being detached from elastic slice (7) and low temperature tripping welding stage (6) in the case where elastic component (10) act on On point, and the opening (81) covered on box body (8) is moved to after being detached from elastic slice (7) and separating with low temperature tripping welding stage (6).
5. big through-flow Surge Protector according to claim 4, which is characterized in that the elastic component (10) is symmetrically to connect Connect the spring in arc extinguishing slide plate (9) two sides.
6. big through-flow Surge Protector according to claim 4, which is characterized in that the trip assembley therefor further includes remote signalling State indication unit, the remote signalling state indication unit include remote signalling sliding block (14), push the distant of remote signalling sliding block (14) movement Indication of Losing Efficacy block is arranged in the effective instruction block (91) being arranged on letter spring (15) and arc extinguishing slide plate (9), remote signalling sliding block (14) one end (141) other end is used for the remote signalling contact (13) being arranged on touch-control pedestal (1), has opened up on outer housing (3) and has been detached from elastic slice (7) The indication window (33) for exposing effectively instruction block (91) when connecting with low temperature tripping welding stage (6), it is de- in disengaging elastic slice (7) and low temperature When detaining welding stage (6) connection, remote signalling sliding block (14) is resisted against on arc extinguishing slide plate (9) under the action of remote signalling spring (15), and It is detached from the Indication of Losing Efficacy block that elastic slice (7) separately cause arc extinguishing slide plate (9) to remove rear remote signalling sliding block (14) with low temperature tripping welding stage (6) (141) expose in indication window (33).
CN201821050058.7U 2018-07-02 2018-07-02 A kind of big through-flow Surge Protector Active CN208299436U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821050058.7U CN208299436U (en) 2018-07-02 2018-07-02 A kind of big through-flow Surge Protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659919A (en) * 2019-01-16 2019-04-19 厦门大恒科技有限公司 It is a kind of can anti-high-intensitive lightning current surge protector
CN110829395A (en) * 2019-11-26 2020-02-21 广东安迅防雷科技股份有限公司 Pluggable modular AC/DC power surge protector structure
CN113258528A (en) * 2021-05-10 2021-08-13 浙江八达电子仪表有限公司 Overvoltage protector with warning effect
WO2022142365A1 (en) * 2020-12-29 2022-07-07 厦门赛尔特电子有限公司 Modular surge protection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659919A (en) * 2019-01-16 2019-04-19 厦门大恒科技有限公司 It is a kind of can anti-high-intensitive lightning current surge protector
CN110829395A (en) * 2019-11-26 2020-02-21 广东安迅防雷科技股份有限公司 Pluggable modular AC/DC power surge protector structure
WO2022142365A1 (en) * 2020-12-29 2022-07-07 厦门赛尔特电子有限公司 Modular surge protection device
EP4203220A4 (en) * 2020-12-29 2024-03-20 Xiamen Set Electronics Co., Ltd Modular surge protection device
CN113258528A (en) * 2021-05-10 2021-08-13 浙江八达电子仪表有限公司 Overvoltage protector with warning effect

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