CN101847858B - Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof - Google Patents
Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof Download PDFInfo
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- CN101847858B CN101847858B CN201010178905XA CN201010178905A CN101847858B CN 101847858 B CN101847858 B CN 101847858B CN 201010178905X A CN201010178905X A CN 201010178905XA CN 201010178905 A CN201010178905 A CN 201010178905A CN 101847858 B CN101847858 B CN 101847858B
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- lightning protection
- metal bar
- protection fuse
- insulated tube
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- 239000002184 metal Substances 0.000 claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 26
- 239000004809 Teflon Substances 0.000 claims description 8
- 229920006362 Teflon® Polymers 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 abstract description 2
- 206010000369 Accident Diseases 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004880 explosion Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010616 electrical installation Methods 0.000 description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
A lightning protection fuse with reliable alarm and a surge overvoltage protection device thereof relate to surge protector products. The lightning protection fuse comprises an insulating tube, a wiring terminal of an electrode A and an electrode B, a metal rod, a compression spring and a trigger device. The surge overvoltage protection device using the lightning protection fuse comprises the lightning protection fuse with reliable alarm, the piezoresistor and two pins, and can also be of another structure, which comprises the lightning protection fuse with reliable alarm, the piezoresistor, the gas discharge tube and the two pins. The beneficial effects are as follows: when the piezoresistor is in short circuit and the temperature rise is too high, the overvoltage surge protection device designed by the piezoresistor can be reliably separated from the power supply system for conductive connection, so that the fire accident caused by the conductive connection can be prevented; the overvoltage surge protection device designed by the piezoresistor eliminates the failure mode that the piezoresistor can not alarm due to the explosion of the piezoresistor with overlarge pulse current.
Description
Technical field
The present invention relates to the Surge Protector product; More particularly; Relate to a kind of when the Zinc-oxide piezoresistor short circuit was lost efficacy; Cut off the electricity supply reliably the overvoltage surge protective device that provides the lightning protection fuse of alarm signal simultaneously and use this lightning protection fuse to design takes place with the fire that prevents to cause because of the piezo-resistance short circuit.It is widely used in the overvoltage surge protection at power-supply device, electrical installation, network system and communication equipment station etc.
Background technology
The overvoltage surge that is produced in order to prevent to be struck by lightning is to the destruction of being caused at power-supply device, electrical installation, network system and communication equipment station etc., and it is that surge protective device is SPD that lightning protection device generally is installed.
The power surge protective device SPD of prior art mainly is made up of components and parts such as piezo-resistance, gas discharge tube and air gaps; Particularly the metal oxide piezo-resistance be widely used in especially the power supply phase line to zero line and phase line to the protection of the overvoltage surge between the phase line, and there are two kinds of failure modes in piezo-resistance, under thunderbolt short pulse situation; When piezo-resistance can not be born its surge current peak value; Piezo-resistance bursts, and shows as open failure, under power-supply system obstacle and frequent macro-energy switching overvoltage effect; The piezo-resistance thermal breakdown shows as short circuit and lost efficacy.The piezo-resistance short circuit was lost efficacy and designed irrational short circuit abating protection device is the immediate cause that causes power-supply system overvoltage surge protective device SPD breaking out of fire often.
Among the overvoltage surge protective device SPD of existing power supply system, the hot release unit of the piezo-resistance of design provides unreliable under the huge situation of current capacity in power-supply system.Market demand is a kind of to be provided under the huge situation of current capacity in power-supply system; Reliably cut off the electricity supply when losing efficacy electric current and have the lightning protection fuse of warning function of piezo-resistance short circuit prevents power-supply system etc. because the fire that causes because of the piezo-resistance short circuit among the overvoltage surge protective device SPD takes place.
Summary of the invention
The present invention is intended to the above-mentioned deficiency and the market demand to prior art; Release reliable alarm lightning protection fuse and overvoltage surge protective device thereof; The fusing of this lightning protection insurance silk ribbon overcurrent, desuperheating from and function such as warnings, particularly it can let the overcurrent that is produced by thunderbolt of certain value flow through, the overcurrent that produces when thunderbolt is during above its rated value; This blown fuse is reported to the police; Eliminating bursts the open loop failure mode that can not report to the police because of piezo-resistance, again can be during overheated and thermal breakdown short circuit to piezo-resistance, and the electric current and provide alarm signal of cutting off the electricity supply reliably; Prevent because pulse current is excessive the piezo-resistance open failure that causes and can not report to the police and the piezo-resistance short circuit causes breaking out of fires such as power-supply system when losing efficacy.
To achieve these goals, accomplish above-mentioned task, reliable alarm lightning protection fuse of the present invention and overvoltage surge protective device thereof adopt following technical scheme:
Construct reliable alarm lightning protection fuse of the present invention, comprise binding post, metal bar, compression spring and the trigger equipment of insulated tube, A electrode, B electrode; The upper end of insulated tube is installed and be plugged in to the A electrode, and insulated tube is a hollow pipe, and metal bar puts in the insulated tube and can in pipe, slide up and down along the length direction of insulated tube; Metal bar comprises excellent body and the socket that is overall shaped into one, and the diameter of said socket is littler than the diameter of said excellent body, and said socket is positioned at the upper end of leaning on of metal bar; Stretch out the through hole of the termination of said socket from the A electrode, and through termination and the A electrode welding of low melting point welding alloy with said socket; Be positioned at the said socket part overcoat Teflon insulating case of insulated tube, the said socket part in the insulated tube closely cooperated with insulated tube formation through the Teflon insulating case; The lower end of the said excellent body of metal bar is positioned at outside the insulated tube; The compression spring encloses the lower end that cover is installed on the said excellent body that is positioned at the metal bar outside the insulated tube; The upper end and the insulated tube of compression spring offset, and the lower end of compression spring offsets with the lower end that is positioned at the said excellent body of the metal bar outside the insulated tube; The binding post of B electrode is electrically connected at the lower end of metal bar; Trigger equipment is installed on the below of metal bar, between trigger equipment and metal bar, reserve when the said socket of metal bar melted disconnected or desuperheating from after the said rod of metal bar in compressing under the spring force effect room from trigger equipment to lower slider that touch.
Appearance brushing dielectric film at the said excellent body of metal bar reduces the dielectric strength of insulated tube to prevent metal bar in sliding process.
A electrode and insulated tube are fixed with epoxy resin.
Insulated tube and substrate are an integral body, and trigger equipment is anchored on the substrate, and fixing through epoxy resin layer 16.
Insulated tube is earthenware or glass tube.
Trigger equipment forms being connected of conducting or disconnection with warning device, and trigger equipment can be a sensitive switch.
The overvoltage surge protective device; Comprise reliable alarm lightning protection fuse, piezo-resistance and two pins; Piezo-resistance is series between the A electrode of said pin and reliable alarm lightning protection fuse in two said pins, and another the said pin in the binding post of the B electrode of reliable alarm lightning protection fuse and two the said pins electrically connects.
The binding post of the B electrode of reliable alarm lightning protection fuse is through the multiply that is flexible coupling of tape insulation layer
The said pin of in lead or elastic spring and two the said pins another electrically connects.
The overvoltage surge protective device; It also can be other a kind of structure; It comprises reliable alarm lightning protection fuse, piezo-resistance, gas discharge tube and two pins; A said pin in electrode of gas discharge tube and two the said pins electrically connects; Electrode of another electrode of gas discharge tube and piezo-resistance electrically connects, and the A electrode of another electrode of piezo-resistance and reliable alarm lightning protection fuse electrically connects, another the said pin electric connection in the binding post of the B electrode of reliable alarm lightning protection fuse and two the said pins.。
The binding post of the B electrode of reliable alarm lightning protection fuse electrically connects through another said pin in be flexible coupling stranded conductor or elastic spring and two the said pins of tape insulation layer.
Mechanism of the present invention is:
In two kinds of overvoltage surge protective devices that reliable alarm lightning protection fuse uses; If the temperature of piezo-resistance rises when making the termination of the said socket that low-temperature alloy can not the fixing metal rod; Metal bar glides rapidly to breaking away to conduct electricity under the elastic force effect of compression spring and connects, when gliding rapidly, and percussion trigger equipment such as sensitive switch; Connect the warning device loop, sending the overvoltage surge protective device is the alarm signal that SPD lost efficacy; When pulse current overrate and the inefficacy of piezo-resistance instantaneous short circuit; The said socket place fusing of metal bar; Metal bar glides rapidly to breaking away to conduct electricity under the elastic force effect of compression spring and connects, when gliding rapidly, and percussion trigger equipment such as sensitive switch; Connect the warning device loop; Send the alarm signal that the overvoltage surge protective device lost efficacy, the size of its specified pulse current is by the cross-sectional area decision of the said socket of metal bar, the failure mode that can not report to the police in order to eliminate piezo-resistance to burst open failure.In a word; The present invention can eliminate that piezo-resistance bursts open failure and the failure mode that can not report to the police; Again can be during overheated and thermal breakdown short circuit to piezo-resistance; Cut off the electricity supply reliably and provide alarm signal, prevent, the open failure that causes and cause breaking out of fire such as power-supply system can not protect alert and piezo-resistance short circuit the time because pulse current is excessive.
The advantage that has following several respects is at least put in reliable alarm lightning protection fuse of the present invention and overvoltage surge protection thereof:
One of which makes by the overvoltage surge protective device of piezo-resistance design when piezo-resistance short circuit and temperature rise are too high, and this overvoltage surge protective device can break away from conduction with power-supply system reliably and be connected, and prevents the fire incident generation that causes thus.
Its two, make by the overvoltage surge protective device of piezo-resistance design and got rid of the failure mode that can not report to the police because the excessive piezo-resistance of pulse current bursts.
Its three, under the effect of spring, can break away from conduction rapidly when losing efficacy and connect by the overvoltage surge protective device of piezo-resistance design.
Its four because the elasticity of friction tight Teflon pipe exists and the excellent electric insulation performance, can not produce a large amount of metallic vapours during the fusing of fine line diameter wire, stop the extension of electric arc simultaneously reliably.
Its five, purposes is wide, the destruction that the overvoltage surge that being applicable to prevents to be struck by lightning is produced is caused power-supply device, electrical installation, network system and communication equipment station etc.
Description of drawings
Fig. 1 is a reliable alarm lightning protection fuse schematic perspective view;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A cut-away view;
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 is an overvoltage surge protective device sketch map;
Fig. 6 is that the circuit of Fig. 4 connects sketch map;
Fig. 7 is the another kind of structural representation of overvoltage surge protective device;
Fig. 8 is that the circuit of Fig. 6 connects sketch map.
Among the figure: 100, reliable alarm lightning protection fuse; 1, insulated tube; 2, A electrode; 3, the binding post of B electrode; 4, metal bar; 41, excellent body; 42, socket; 5, compression spring; 6, trigger equipment; 7, low melting point welding alloy; 8, Teflon insulating case; 9, room; 10, substrate; 11, dielectric film; 12, piezo-resistance; 13, gas discharge tube; 14, pin; 15, the be flexible coupling stranded conductor or the elastic spring of tape insulation layer; 16, epoxy resin layer.
Embodiment
Below, introduce embodiment of the present invention in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, construct reliable alarm lightning protection fuse 100 of the present invention, comprise binding post 3, metal bar 4, compression spring 5 and the trigger equipment 6 of insulated tube 1, A electrode 2, B electrode; The upper end of insulated tube 1 is installed and be plugged in to A electrode 2, and insulated tube 1 is a hollow pipe, and metal bar 4 puts in insulated tube 1 in and can in managing, slide up and down along the length direction of insulated tube 1; Metal bar 4 comprises the excellent body 41 and socket 42 that is overall shaped into one, and the diameter of said socket 42 is littler than the diameter of said excellent body 41, and said socket 42 is positioned at the upper end of leaning on of metal bar 4; Stretch out the through hole of the termination of said socket 42 from A electrode 2, and through termination and A electrode 2 welding of low melting point welding alloy 7 with said socket 42; Be positioned at the said socket 42 part overcoat Teflon insulating cases 8 of insulated tube 1, said socket 42 parts and insulated tube 1 formation in the insulated tube 1 closely cooperated through Teflon insulating case 8; The lower end of the said excellent body 41 of metal bar 4 is positioned at outside the insulated tube 1; Compression spring 5 encloses the lower end that cover is installed on the said excellent body 41 of the metal bar 4 that is positioned at outside the insulated tube 1; The upper end and the insulated tube 1 of compression spring 5 offset, and the lower end of compression spring 5 offsets with the lower end that is positioned at the said excellent body 41 of the metal bar 4 outside the insulated tube 1; The binding post 3 of B electrode is electrically connected at the lower end of metal bar 4; Trigger equipment 6 is installed on the below of metal bar 4; Between trigger equipment 6 and metal bar 4, reserve when the said socket 42 of metal bar 4 melted disconnected or desuperheating from after the said excellent body 41 of metal bar 4 compressing under the spring 5 elastic force effects room 9 from trigger equipment 6 to lower slider that touch.
Appearance brushing dielectric film 11 at the said excellent body 41 of metal bar 4 reduces the dielectric strength of insulated tube 1 to prevent metal bar 4 in sliding process.
A electrode 2 is fixing with insulated tube 1 usefulness epoxy resin layer 16.
Like Fig. 5, shown in Figure 6; The overvoltage surge protective device; Comprise reliable alarm lightning protection fuse 100, piezo-resistance 12 and two pins 14; Piezo-resistance 12 is series at 2 at the A electrode of said pin 14 and reliable alarm lightning protection fuse 100 in two said pins 14, and another the said pin 14 in the binding post 3 of the B electrode of reliable alarm lightning protection fuse 100 and two the said pins 14 electrically connects.
The binding post 3 of the B electrode of reliable alarm lightning protection fuse 100 electrically connects through another the said pin 14 in be flexible coupling stranded conductor or elastic spring 15 and two the said pins 14 of tape insulation layer.
Like Fig. 7, shown in Figure 8; The overvoltage surge protective device; It also can be other a kind of structure; It comprises reliable alarm lightning protection fuse 100, piezo-resistance 12, gas discharge tube 13 and two pins 14, and a said pin 14 in electrode of gas discharge tube 13 and two the said pins 14 electrically connects an electrode electric connection of another electrode of gas discharge tube 13 and piezo-resistance 12; The A electrode 2 of another electrode of piezo-resistance 12 and reliable alarm lightning protection fuse 100 electrically connects, another said pin 14 electric connections in the binding post 3 of the B electrode of reliable alarm lightning protection fuse 100 and two the said pins 14.
The binding post 3 of the B electrode of reliable alarm lightning protection fuse 100 electrically connects through another said pin 14 in be flexible coupling stranded conductor or elastic spring 15 and two the said pins 14 of tape insulation layer.
When installing on the spot, two said pins 14 are connected with corresponding circuit, and trigger equipment 6 and warning device electric connection are got final product, very easy.
Claims (9)
1. reliable alarm lightning protection fuse is characterized in that: the binding post (3), metal bar (4), compression spring (5) and the trigger equipment (6) that comprise insulated tube (1), A electrode (2), B electrode; The upper end of insulated tube (1) is installed and be plugged in to A electrode (2), and insulated tube (1) is a hollow pipe, and metal bar (4) puts in the insulated tube (1) and can in pipe, slide up and down along the length direction of insulated tube (1); Metal bar (4) comprises excellent body (41) and the socket (42) that is overall shaped into one, and the diameter of said socket (42) is littler than the diameter of said excellent body (41), and said socket (42) is positioned at the upper end of leaning on of metal bar (4); Stretch out the through hole of the termination of said socket (42) from A electrode (2), and through termination and A electrode (2) welding of low melting point welding alloy (7) with said socket (42); Be positioned at said socket (42) the part overcoat Teflon insulating case (8) of insulated tube (1), said socket (42) part in the insulated tube (1) closely cooperated with insulated tube (1) formation through Teflon insulating case (8); The lower end of the said excellent body (41) of metal bar (4) is positioned at outside the insulated tube (1); Compression spring (5) encloses the lower end that cover is installed on the said excellent body (41) of the metal bar (4) that is positioned at outside the insulated tube (1); The upper end and the insulated tube (1) of compression spring (5) offset, and the lower end of compression spring (5) offsets with the lower end that is positioned at the said excellent body (41) of the metal bar (4) outside the insulated tube (1); The binding post of B electrode (3) is electrically connected at the lower end of metal bar (4); Trigger equipment (6) is installed on the below of metal bar (4); Between trigger equipment (6) and metal bar (4), reserve when the said socket (42) of metal bar (4) melted disconnected or heat break away from after the said excellent body (41) of metal bar (4) compressing under spring (5) the elastic force effect room (9) from trigger equipment (6) to lower slider that touch; Trigger equipment (6) forms being connected of conducting or disconnection with warning device, and trigger equipment (6) is a sensitive switch.
2. reliable alarm lightning protection fuse according to claim 1 is characterized in that: the appearance brushing dielectric film (11) at the said excellent body (41) of metal bar (4), reduce the dielectric strength of insulated tube (1) to prevent metal bar (4) in sliding process.
3. reliable alarm lightning protection fuse according to claim 1 is characterized in that: A electrode (2) is fixing with epoxy resin layer (16) with insulated tube (1).
4. reliable alarm lightning protection fuse according to claim 1 (100) is characterized in that: insulated tube (1) is an integral body with substrate (10), and trigger equipment (6) is anchored on the substrate (10).
5. reliable alarm lightning protection fuse according to claim 1 is characterized in that: insulated tube (1) is earthenware or glass tube.
6. overvoltage surge protective device; It is characterized in that: comprise described any one reliable alarm lightning protection fuse (100) of claim 1-5, piezo-resistance (12) and two pins (14); Piezo-resistance (12) is series between the A electrode (2) of a said pin (14) and reliable alarm lightning protection fuse (100) in two said pins (14), and the binding post (3) of the B electrode of reliable alarm lightning protection fuse (100) electrically connects with another said pin (14) in two said pins (14).
7. overvoltage surge protective device according to claim 6 is characterized in that: the binding post (3) of the B electrode of reliable alarm lightning protection fuse (100) electrically connects through another the said pin (14) in be flexible coupling stranded conductor or elastic spring (15) and two the said pins (14) of tape insulation layer.
8. overvoltage surge protective device; It is characterized in that: comprise described any one reliable alarm lightning protection fuse (100) of claim 1-5, piezo-resistance (12), gas discharge tube (13) and two pins (14); The electrode and the said pin (14) in two said pins (14) of gas discharge tube (13) electrically connect; An electrode of another electrode of gas discharge tube (13) and piezo-resistance (12) electrically connects; The A electrode (2) of another electrode of piezo-resistance (12) and reliable alarm lightning protection fuse (100) electrically connects, and another the said pin (14) in the binding post (3) of the B electrode of reliable alarm lightning protection fuse (100) and two the said pins (14) electrically connects.
9. overvoltage surge protective device according to claim 8 is characterized in that: the binding post (3) of the B electrode of reliable alarm lightning protection fuse (100) electrically connects through another said pin (14) in be flexible coupling stranded conductor or elastic spring (15) and two the said pins (14) of tape insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178905XA CN101847858B (en) | 2010-05-20 | 2010-05-20 | Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178905XA CN101847858B (en) | 2010-05-20 | 2010-05-20 | Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847858A CN101847858A (en) | 2010-09-29 |
| CN101847858B true CN101847858B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010178905XA Expired - Fee Related CN101847858B (en) | 2010-05-20 | 2010-05-20 | Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101847858B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236381B (en) * | 2013-02-25 | 2016-01-20 | 漳州雅宝电子有限公司 | A kind of type of resistance to surge Thermal Cutoffs |
| CN104569636B (en) * | 2013-10-16 | 2018-04-27 | 深圳市威尔利实业有限公司 | A kind of surge protector varistor deterioration early warning circuit and device |
| CN106786460A (en) * | 2016-12-29 | 2017-05-31 | 康迎利 | Lightning-protection module |
| CN113192710A (en) * | 2021-04-27 | 2021-07-30 | 广西新未来信息产业股份有限公司 | Quick-response thermal protection piezoresistor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198791A (en) * | 1991-02-05 | 1993-03-30 | Mitsubishi Materials Corporation | Surge absorber |
| CN2208749Y (en) * | 1994-10-19 | 1995-09-27 | 褚松玉 | Thermal-explosion type disengaging device for arrester |
| CN2862441Y (en) * | 2005-12-29 | 2007-01-24 | 深圳市盾牌防雷技术有限公司 | Trip warning device for discharge tube assembly of lightning protection device |
| CN201681780U (en) * | 2010-05-20 | 2010-12-22 | 曾献昌 | Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002229570A1 (en) * | 2000-11-28 | 2002-06-11 | Dehn + Sohne Gmbh + Co. Kg | Compact arrangement for multipole, surge-proof surge arresters and encapsulated surge arrester for the same |
-
2010
- 2010-05-20 CN CN201010178905XA patent/CN101847858B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198791A (en) * | 1991-02-05 | 1993-03-30 | Mitsubishi Materials Corporation | Surge absorber |
| CN2208749Y (en) * | 1994-10-19 | 1995-09-27 | 褚松玉 | Thermal-explosion type disengaging device for arrester |
| CN2862441Y (en) * | 2005-12-29 | 2007-01-24 | 深圳市盾牌防雷技术有限公司 | Trip warning device for discharge tube assembly of lightning protection device |
| CN201681780U (en) * | 2010-05-20 | 2010-12-22 | 曾献昌 | Lightning protection fuse with reliable alarm and surge overvoltage protection device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101847858A (en) | 2010-09-29 |
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