CN107370139B - Surge protector - Google Patents
Surge protector Download PDFInfo
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- CN107370139B CN107370139B CN201710693880.9A CN201710693880A CN107370139B CN 107370139 B CN107370139 B CN 107370139B CN 201710693880 A CN201710693880 A CN 201710693880A CN 107370139 B CN107370139 B CN 107370139B
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- Prior art keywords
- protection device
- overvoltage protection
- electrode
- welding table
- hole
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- 230000001012 protector Effects 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 56
- 238000002955 isolation Methods 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims description 12
- 238000005476 soldering Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/044—Physical layout, materials not provided for elsewhere
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a surge protector which comprises a tripping mechanism, wherein the tripping mechanism comprises a box body, a separation sheet, an overvoltage protection device and a welding table, one end of the separation sheet is installed on the box body, the other end of the separation sheet is welded on the welding table, a through hole is formed in a first electrode at the top end of the overvoltage protection device installed on the box body, the welding table covers the through hole, a first isolation groove is further formed in the tripping mechanism and is arranged at the lower end of the separation sheet, and the first isolation groove is a hole groove formed by the first side of the welding table and the hole wall of the first side of the through hole. Because the first isolation groove is arranged between the welding table and the first electrode, when large current discharges, current can only flow to the separation sheet through the joint of the welding table and the first electrode, so that the first electrode part below the separation sheet and parallel to the separation sheet can not flow through the large current which is parallel to the current flowing through the separation sheet but opposite to the current flowing through the separation sheet, thereby effectively reducing the electrical stress generated when lightning current flows through the tripping device and separating the tripping device, and minimizing the risk of separating the separation sheet from the welding table.
Description
Technical Field
The invention relates to the technical field of electronic and electrical equipment, in particular to a surge protection device.
Background
The surge protector is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines.
When the surge protector meets lightning current exceeding the tolerance limit of the overvoltage protection device or system overvoltage occurs to cause static conduction of the overvoltage protection device so that the system overcurrent flows, solder of a low-temperature welding point between a metal elastic sheet of an internal tripping device and a pin of the overvoltage protection device reaches a softened or molten state, the metal elastic sheet of the tripping mechanism part is separated from the pin of the overvoltage protection element and the spacing distance is enlarged, a sliding plate of the tripping mechanism part simultaneously pushes forwards to separate the metal elastic sheet and the pin of the overvoltage protection element for electrical isolation and arc extinction, the function of isolating the failed surge protector from the system is achieved, and the use safety of equipment is improved.
However, when the lightning current flows, the overvoltage protection device does not reach its withstand limit or the margin is still large, the tripping device will operate in advance due to the excessive lightning current discharge stress, so that the life or performance of the surge protector is reduced, and unnecessary loss is caused; meanwhile, the overvoltage of the system which often occurs leads to the static conduction of the overvoltage protection device, a large amount of system overcurrent flows through the overvoltage protection device, the breakdown phenomenon of the overvoltage protection device occurs in a short time, if the tripping device generates heat for a long time due to the fact that the heat capacity of a welding table is too large, the overvoltage protection device can raise the temperature of a low-temperature welding point on the welding table to the temperature that low-temperature soldering tin can soften or melt, the tripping device is enabled to act, before the tripping device acts, the insulation part of the tripping device is already broken down by the system current which flows through the overvoltage protection device after breakdown, the tripping device is disabled, the surge protector cannot be effectively separated from the system, and the fire burning phenomenon occurs.
Therefore, how to reduce the problem that when the tripping device needs to operate quickly and effectively when the overvoltage protection device fails due to the fact that the tripping mechanism cannot bear normal lightning discharge stress under the condition that the overvoltage protection device is intact, the surge protector is ignited and burns because the tripping device cannot operate quickly due to the problem that the temperature of the low-temperature welding spot of the tripping device is too slow, and technical problems to be solved by technical personnel in the field are urgently needed.
Disclosure of Invention
The invention aims to provide a surge protector which can reduce the probability that a tripping mechanism trips due to discharge stress factors when being impacted by lightning current under the condition that an overvoltage protection device is intact, and can reduce the probability that the tripping mechanism cannot act in time under the condition that the overvoltage protection device fails.
In order to achieve the above object, the present invention provides the following solutions:
the utility model provides a surge protector, includes tripping device, and wherein, tripping device includes the box body, breaks away from piece, overvoltage protection device and welding stage, the one end that breaks away from the piece is installed on the box body, the other end welding that breaks away from the piece is in on the welding stage, overvoltage protection device installs on the box body, just it has the through-hole to open on the first electrode on overvoltage protection device top, the welding stage is installed on the first electrode, and cover the through-hole, tripping device is last still to open and to be set up break away from the first isolation tank of piece lower extreme, first isolation tank does the first side of welding stage with the hole groove that the first side pore wall of through-hole constitutes.
Preferably, in the surge protector, the tripping mechanism is further provided with a second isolation groove, and the second isolation groove is a groove formed by the second side of the welding stage and the second side hole wall of the through hole.
Preferably, in the above surge protector device, the stage is a copper stage, a nickel-plated stage, or a tin-plated stage.
Preferably, in the surge protector, the pad is integrally connected to the first electrode.
Preferably, in the above surge protector, the overvoltage protection device further includes a second electrode provided at a bottom end thereof.
Preferably, in the above surge protector, the first electrode and the second electrode of the overvoltage protector are welded to the overvoltage protector or are fixed to the overvoltage protector by screw fastening.
Preferably, in the surge protector, the release sheet is an elastic copper release sheet;
the box body is a gas-producing insulating box body.
Preferably, in the surge protector, a detachment slide plate is further included, the detachment slide plate being mounted on the case, and the detachment slide plate being supported at a bottom end of the detachment piece.
Preferably, in the above surge protector, the overvoltage protection device is a voltage-limiting element or a voltage-switching element or a series connection of a voltage-limiting element and a voltage-switching element.
Preferably, in the surge protector, an arc chute is further included, which is provided on the case;
the arc-extinguishing grid is an arc-shaped arc-extinguishing grid, the shell is provided with a plurality of arc-spraying openings, and the arc-spraying openings face to the outlets of the arc-extinguishing grid for leading out electric arcs.
It can be seen from the above technical solutions that, in the surge protection device provided by the present invention, because the first isolation groove is disposed between the bonding stage connecting the disconnection piece and the overvoltage protection device, when a large current passes through the first electrode of the overvoltage protection device, the bonding stage and the disconnection piece, due to the presence of the first isolation groove, the current can only flow to the disconnection piece through the connection of the bonding stage and the first electrode when the large current flows, so that the first electrode portion below the disconnection piece and parallel to the first electrode portion does not have a large current parallel to but opposite to the current flowing on the disconnection piece, and therefore, when the lightning current flows through the tripping mechanism, because two large currents parallel to each other but opposite to each other exist between the disconnection piece and the first electrode, the large electrical stress or magnetic field force pulling the disconnection piece and the first electrode apart at the connection of the bonding stage due to the flowing of the lightning current exists between the disconnection piece and the first electrode, and the groove is formed at the welding table to reduce the heat capacity of the welding table, so that when the overvoltage protection device fails and generates heat, the connection position of the separation sheet and the welding table reaches the temperature for enabling the tripping mechanism to act in a shorter time, and the separation sheet is separated from the welding table as fast as possible.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a trip mechanism of a surge protector according to an embodiment of the present invention;
fig. 2 is a schematic partial sectional view of a trip mechanism of a surge protector according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of a tripping mechanism of a surge protector according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a trip mechanism of a surge protector according to a second embodiment of the present invention;
fig. 5 is a schematic cross-sectional structural diagram of a tripping mechanism of a surge protector according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a surge protector provided by the present invention.
Wherein, in fig. 1-6:
the device comprises a separation sheet 1, an overvoltage protection device 2, a welding table 3, a first electrode 201, a through hole 202, a first isolation groove 4, a first side 301, a first side hole wall 20201, a second isolation groove 5, a second side 302, a second side hole wall 20202, a second electrode 203, a separation sliding plate 6, an arc extinguishing grid 7, an arc spraying opening 8, a box body 9 and a shell 10.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Example one
Referring to fig. 1-3, the invention discloses a surge protector, which comprises a tripping mechanism, wherein the tripping mechanism comprises a box body 9, a releasing sheet 1, an overvoltage protection device 2 and a welding table 3, one end of the releasing sheet 1 is installed on the box body 9, specifically, the releasing sheet is welded on the box body 9, the other end of the releasing sheet is welded on the welding table 3, the overvoltage protection device 2 is installed on the box body 9, a through hole 202 is formed in a first electrode 201 at the top end of the overvoltage protection device 2, the welding table 3 is installed on the first electrode 201 and covers the through hole 202, a first isolation groove 4 is further formed in the tripping mechanism, the first isolation groove 4 is formed in the lower end of the releasing sheet 1, and the lower end refers to the lower part in fig. 3. The first isolation groove 4 is a groove formed by the first side 301 of the bonding stage 3 and the first side hole wall 20201 of the through hole 202. I.e. the soldering station 3 partially covers the through hole 202, and a first isolation groove 4 is formed between one side of the soldering station 3 and one side of the hole wall of the through hole 202.
In the surge protector provided by the invention, the top end and the bottom end of the overvoltage protection device 2 are respectively and electrically connected with the first electrode 201 and the second electrode 203. The first electrode 201 and the release sheet 1 are connected by a bonding stage 3, and a first isolation groove 4 is formed between one side of the bonding stage 3 and a through hole 202 formed in the first electrode 201.
The surge protector provided by the invention has the advantages that the first isolation groove 4 is arranged between the connection separation sheet 1 and the welding table 3 and the overvoltage protection device 2 of the overvoltage protection device, so when a large current passes through the first electrode 201, the welding table 3 and the separation sheet 1 of the overvoltage protection device, due to the existence of the first isolation groove 4, when the large current flows, the current can only flow to the separation sheet 1 through the connection part of the welding table 3 and the first electrode 201, the part of the first electrode 201 below the separation sheet 1, which is parallel to the separation sheet 1, can not flow the large current, which is parallel to the current flowing on the separation sheet 1 but opposite to the current flowing on the separation sheet 1, so that when a lightning current flows through a tripping mechanism, because two large currents, which are parallel to each other but opposite to the current, exist between the separation sheet 1 and the first electrode 201, the large electrical stress or magnetic field force which pulls the separation sheet 1 and the first electrode 201 apart from the connection part of the welding table due to the flowing of the lightning, and the welding table 3 is provided with a groove to reduce the heat capacity of the welding table, so that when the overvoltage protection device fails and generates heat, the connection part of the separation sheet 1 and the welding table 3 reaches the temperature for enabling the tripping mechanism to act in a shorter time, and the separation sheet 1 is separated from the welding table 3 as fast as possible.
In summary, in the surge protector disclosed by the invention, when a large current passes through, the first isolation groove 4 blocks the large current on one side of the welding table, so that the probability that the tripping mechanism is tripped by the discharging stress of lightning under the condition that the overvoltage protection device is intact can be reduced, and the probability that the tripping device cannot act in time under the condition that the overvoltage protection device fails can be reduced.
Example two
As shown in fig. 4-5, in another embodiment of the present invention, the structures of the surge protection device in this embodiment are similar to those of the surge protection device in the first embodiment, and the same parts are not repeated and only differences will be described.
In this embodiment, it is specifically disclosed that the tripping mechanism is further provided with a second isolation groove 5, and the second isolation groove 5 is a groove formed by the second side 302 of the soldering station 3 and the second side hole wall 20202 of the through hole 202. All be provided with the isolation tank between the pore wall of 3 both sides of welding stage and the both sides of through-hole 202 promptly, on the one hand, second isolation tank 5 has blocked the heavy current of 3 one sides of welding stage, has reduced the probability that tripping device is punctured, and on the other hand has reduced the area of welding stage 3 for welding stage 3 can be very fast melting or fusing, makes break away from piece 1 and first electrode 201 separately as early as possible.
The invention discloses a welding table 3 which is a copper welding table, a nickel plating welding table or a tin plating welding table. In order to further increase the speed of fusing of the stage 3, the stage 3 is preferably a tin-plated stage.
The invention also discloses that the welding table 3 and the first electrode are integrally connected. In order to facilitate replacement and disassembly of the soldering station 3, the soldering station 3 can also be detachably connected with the first electrode 201.
Since elastic copper has good conductivity and high elasticity, the release sheet 1 is preferably an elastic copper release sheet 1. The release sheet 1 may be made of other materials, and the conductive release sheet 1 is within the scope of the present invention as long as the conductive release sheet 1 is satisfied.
The invention also discloses that the overvoltage protection device 2 further comprises a second electrode 203 arranged at the bottom end of the overvoltage protection device, and the first electrode 201 and the second electrode 203 on the overvoltage protection device 2 are welded on the overvoltage protection device 2 or are fastened and fixed on the overvoltage protection device 2 through screws.
In order to better play a role in arc extinction, the invention discloses that the box body 9 is a gas-generating insulating box body 9.
Further, the invention discloses that the tripping mechanism further comprises a disengaging sliding plate 6, the disengaging sliding plate 6 is mounted on the box body 9, the disengaging sliding plate 6 is supported at the bottom end of the disengaging tab 1, and after the disengaging tab 1 is separated from the first electrode 201, the disengaging sliding plate 6 can enable the disengaging tab 1 to be away from the first electrode 201 separated from the disengaging sliding plate 6 under the action of the disengaging sliding plate 6.
The invention specifically discloses three composition forms of an overvoltage protection device 2: (1) the overvoltage protection device 2 is a voltage limiting type element; (2) the overvoltage protection device 2 is a voltage switch type element; (3) the overvoltage protection element includes a voltage limiting type element and an element connected in series with the voltage switching type element. In this example, the following (1) is exemplified.
In the tripping mechanism provided by the invention, the top end and the bottom end of the voltage switch type element are respectively and electrically connected with the first electrode 201 and the second electrode 203. The first electrode 201 is connected with the separation sheet 1 through the welding table 3, a first isolation groove 4 is formed between one side of the welding table 3 and the hole wall of one side of the through hole 202 formed in the first electrode 201, and a second through hole 202 is formed between the other side of the welding table 3 and the hole wall of the other side of the through hole 202.
Because the two sides of the welding table 3 are of hollow structures, when a large current passes through, on one hand, the isolation groove blocks the large current on one side of the welding table 3, and the probability that the tripping mechanism is broken down is reduced; on the other hand, the isolation groove reduces the area of the welding table 3, so that the heating melting or fusing speed of the welding table 3 is increased.
EXAMPLE III
As shown in fig. 6, in a third embodiment of the present invention, the structures of the surge protection device in this embodiment are similar to those of the surge protection device in the second embodiment, and the same parts are not repeated and only differences are introduced.
In this embodiment, it is specifically disclosed that the surge protector further includes an arc chute 7 disposed on the box 9; the arc chute 7 is an arc chute, and it should be noted that the arc chute 7 is curved in an arc shape or curved in other shapes along the arc direction, and the arc chute 7 having a shape that can increase the arc length is within the protection scope of the present invention.
Further, in order to improve the arc extinguishing effect, the invention discloses that a plurality of arc spraying openings 8 are formed in a shell 10 of the surge protector, and the arc spraying openings 8 face the outlet of the arc guiding out of the arc extinguishing grid 7.
According to the surge protector disclosed by the invention, when a tripping device acts, the separation sheet 1 bounces, the separation sliding plate 6 pushes an electric arc generated when the separation sheet 1 bounces to the arc extinguishing grid 7, the electric arc is cut into a plurality of sections by the arc extinguishing grid 7 after passing through the arc extinguishing grid 7, and finally, the electric arc is sprayed out from an arc spraying opening 8 at the bottom of the arc extinguishing grid along an arc channel arranged in the arc extinguishing grid 7.
The existing arc chute 7 is often designed into a long strip shape, and the arc path of the electric arc is straight, so that the arc path of the arc chute 7 is very short under the limited size, the electric arc is difficult to be effectively weakened or extinguished, and the electric arc generated when the tripping device breaks away from the elastic sheet and is separated from the welding table after the tripping device acts can not be effectively interrupted, so that the tripping device burns. The arc chute of the arc chute 7 disclosed by the invention is made into an inclined plane, so that the depth of the arc chute can be effectively increased, electric arcs can be weakened as much as possible, and the arc chute is provided with the arc spraying port at the terminal, so that the electric arcs can be sprayed out from the arc spraying port 8 when the electric arcs are too large, the problem that the tripping device is burnt due to the fact that the electric arcs cannot be extinguished due to the limitation of the arc extinguishing capacity of the arc chute 7 is avoided, and the probability that the tripping device fails due to the fact that the energy of the electric arcs is too large.
When the arc chute 7 and the arc spraying opening 8 are not provided, the tripping device often cannot effectively extinguish arc due to too large arc energy, so that combustion is caused, in the embodiment, the too large arc is cut into a plurality of sections through the arc chute 7, the energy is weakened and then the arc is sprayed out through the arc spraying opening 8, and the tripping device is prevented from being out of work due to too large arc energy.
The terms "first", "second", and the like in the present invention are used for descriptive distinction and have no other special meaning.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.
Claims (10)
1. A surge protector comprises a tripping mechanism, wherein the tripping mechanism comprises a box body (9), a breaking sheet (1), an overvoltage protection device (2) and a welding table (3), one end of the separation sheet (1) is arranged on the box body, the other end of the separation sheet (1) is welded on the welding table (3), the overvoltage protection device (2) is arranged on the box body, and a through hole (202) is arranged on a first electrode (201) at the top end of the overvoltage protection device (2), the welding table (3) is arranged on the first electrode (201) and covers the through hole (202), it is characterized in that the tripping mechanism is also provided with a first isolation groove (4) arranged at the lower end of the disengaging piece (1), the first isolation groove (4) is a groove formed by a first side (301) of the welding table (3) and a first side hole wall (20201) of the through hole (202).
2. A surge protector according to claim 1, wherein the trip mechanism further comprises a second isolation groove (5), and the second isolation groove (5) is a groove formed by the second side (302) of the soldering station (3) and the second sidewall wall (20202) of the through hole (202).
3. A surge protector as claimed in claim 1, wherein the soldering station (3) is a copper soldering station, a nickel plating soldering station or a tin plating soldering station.
4. A surge arrester as claimed in claim 1, wherein the solder station (3) is integrally connected to the first electrode.
5. A surge arrester as claimed in claim 1, wherein the overvoltage protection device (2) further comprises a second electrode (203) disposed at a bottom end thereof.
6. A surge arrester as claimed in claim 5, characterized in that the first pole (201) and the second pole (203) on the overvoltage protection device (2) are welded to the overvoltage protection device (2) or are fixed to the overvoltage protection device (2) by screw fastening.
7. A surge arrester as claimed in claim 1, wherein the release sheet (1) is a resilient copper release sheet;
the box body (9) is a gas-producing insulating box body.
8. A surge arrester as claimed in claim 1, further comprising a release slide (6), wherein the release slide (6) is mounted on the cartridge body (9), and the release slide (6) is supported at a bottom end of the release sheet (1).
9. A surge protector according to any of claims 1-8, characterized in that the overvoltage protection device (2) is a voltage limiting element or a voltage switching element or a series connection of a voltage limiting element and a voltage switching element.
10. A surge protector according to any of claims 1-8, further comprising an arc chute (7) provided on the cartridge (9);
arc extinguishing bars (7) are arc extinguishing bars, a plurality of arc spraying openings (8) are formed in a shell (10) of the surge protector, and the arc spraying openings (8) face outlets of electric arcs led out of the arc extinguishing bars (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693880.9A CN107370139B (en) | 2017-08-14 | 2017-08-14 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693880.9A CN107370139B (en) | 2017-08-14 | 2017-08-14 | Surge protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107370139A CN107370139A (en) | 2017-11-21 |
| CN107370139B true CN107370139B (en) | 2020-04-07 |
Family
ID=60309473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693880.9A Active CN107370139B (en) | 2017-08-14 | 2017-08-14 | Surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107370139B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834434A (en) * | 2009-07-27 | 2010-09-15 | 佛山市浦斯电子有限公司 | Surge protector with thermal protection device |
| US7808361B1 (en) * | 2008-11-25 | 2010-10-05 | Tsung Mou Yu | Dual protection device for circuit |
| CN104008936A (en) * | 2014-06-13 | 2014-08-27 | 四川中光防雷科技股份有限公司 | Separating and arc shielding device and small-size high-safety all-mode protection surge protection device |
| CN204361039U (en) * | 2015-01-13 | 2015-05-27 | 四川中光防雷科技股份有限公司 | Depart from and screening arc device and the small size High-security surge protection device being provided with it |
| CN205609464U (en) * | 2016-04-08 | 2016-09-28 | 长沙三瑞传感技术有限公司 | Fuse for overcurrent protection |
| CN207426686U (en) * | 2017-08-14 | 2018-05-29 | 四川中光防雷科技股份有限公司 | A kind of surge protector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9129769B2 (en) * | 2009-09-04 | 2015-09-08 | Cyntec Co., Ltd. | Protective device |
-
2017
- 2017-08-14 CN CN201710693880.9A patent/CN107370139B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7808361B1 (en) * | 2008-11-25 | 2010-10-05 | Tsung Mou Yu | Dual protection device for circuit |
| CN101834434A (en) * | 2009-07-27 | 2010-09-15 | 佛山市浦斯电子有限公司 | Surge protector with thermal protection device |
| CN104008936A (en) * | 2014-06-13 | 2014-08-27 | 四川中光防雷科技股份有限公司 | Separating and arc shielding device and small-size high-safety all-mode protection surge protection device |
| CN204361039U (en) * | 2015-01-13 | 2015-05-27 | 四川中光防雷科技股份有限公司 | Depart from and screening arc device and the small size High-security surge protection device being provided with it |
| CN205609464U (en) * | 2016-04-08 | 2016-09-28 | 长沙三瑞传感技术有限公司 | Fuse for overcurrent protection |
| CN207426686U (en) * | 2017-08-14 | 2018-05-29 | 四川中光防雷科技股份有限公司 | A kind of surge protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107370139A (en) | 2017-11-21 |
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Effective date of registration: 20240423 Address after: Room 1905, 19th Floor, Unit 1, Building 1, No. 100, Niuwangmiao Section, Dongdajie Street, Jinjiang District, Chengdu City, Sichuan Province, 610000 (self numbered with room B19) Patentee after: Sichuan Zhongguang Information Protection Engineering Co.,Ltd. Country or region after: China Address before: 611731 No. 19 Tianyu Road, West Zone, hi tech Zone, Sichuan, Chengdu Patentee before: SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGIES Co.,Ltd. Country or region before: China |
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