CN202997298U - Power circuit lightning resistance structure device and lightning arrester - Google Patents
Power circuit lightning resistance structure device and lightning arrester Download PDFInfo
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- CN202997298U CN202997298U CN2012206882859U CN201220688285U CN202997298U CN 202997298 U CN202997298 U CN 202997298U CN 2012206882859 U CN2012206882859 U CN 2012206882859U CN 201220688285 U CN201220688285 U CN 201220688285U CN 202997298 U CN202997298 U CN 202997298U
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Abstract
The utility model discloses a power circuit lightning resistance structure device and a lightning arrester. According to the power circuit lightning resistance structure device, in the PCB design of filter input end and output end in a switch power supply, serrated point discharge copper pieces are symmetrically arranged and are connected to a PCB through a PCB wiring mode. According to the power circuit lightning resistance structure device and the lightning arrester, a point discharge principle is utilized and gas discharge tubes are replaced, since the point discharge is a phenomenon that under a high voltage condition, a point of a conductor discharges to another point, and ionized air generates positive ions to neutralize electrons in a circuit, the prevention of the damage of the switch power supply by lightning is realized, the installation is convenient, the cost is low, the device is directly installed on the PCB in a production process and is permanently effective after the installation, and the failure problem of the device does not exist. In addition, the symmetrical copper pieces with tips are employed to replace the gas discharge tubes to realize energy release, the cost is reduced, and the effect of lightning protection is improved.
Description
Technical field
The utility model constructional device relates to the switch power technology field, in particular, relates to a kind of constructional device and a kind of lightning protection device of power circuit anti-lightning.
Background technology
In actual life, atmospheric electrical phenomena is a ubiquitous phenomenon.In thunder and lightning moment; thunder and lightning can seal on the inner power panel such as television set, computer or LED illumination from power input most probably; this lightning voltage time is shorter; but voltage is very high; energy is also very large; power panel must use anti-lightning strike measure to do protection, otherwise will cause the power panel of television set to be broken by thunder and lightning, causes the damage of television set.
at present, at television set, the power panel that uses in computer or LED illumination etc. is Switching Power Supply, and Switching Power Supply all adopts the EMI circuit, for television set, the following two schemes of the general employing in anti-lightning strike aspect: add pressure-sensitive resistance mode at zero line and live wire for the first, because there is the slower characteristic of reflecting time in piezo-resistance itself, can't voltage energy be discharged in the moment that thunderbolt voltage enters power panel, as the energy of thinking will be struck by lightning rapidly discharges, need to adopt multistage piezo-resistance parallel connection to realize, cause like this its cost very high, and poor effect aspect anti-lightning strike.The second adds gas discharge tube mode between the homophase input and output of the filter of zero line and live wire, adopt gas discharge tube to place in pairs at input and the output of two windings of filter, the energy that will be stored in filter by certain medium discharges as early as possible, at least need the gas discharge tube more than 2, cost compare is high, simultaneously, also take the area of pcb board, in addition, because there is destabilizing factor in the discharge voltage of gas discharge tube, anti-lightning strike reliability is lower.
Therefore, provide a kind of easy for installation, with low cost, can be directly installed on pcb board, and installation being rear effectively permanent, do not have the constructional device of a kind of power circuit anti-lightning of failure of apparatus, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, it is a kind of easy for installation, with low cost that the utility model provides, and can be directly installed on pcb board, and installation is rear effectively permanent, do not have constructional device and the lightning protection device of a kind of power circuit anti-lightning of failure of apparatus.
For achieving the above object, the utility model provides following technical scheme:
A kind of constructional device of power circuit anti-lightning, when the filter input end in Switching Power Supply and the design of the pcb board of output, symmetrical zigzag point discharge copper sheet is set, and described zigzag point discharge copper sheet is connected on described pcb board by the mode of PCB layout.
Preferably, the point of described zigzag point discharge copper sheet remains on the 0.8mm left and right to the distance between point.
Preferably, the tip portion naked copper of described zigzag point discharge copper sheet is zinc-plated.
Preferably, described zigzag point discharge copper sheet is zigzag point discharge Copper Foil.
The utility model also discloses a kind of lightning protection device on the basis of the constructional device of above-mentioned disclosed a kind of power circuit anti-lightning, comprise above-mentioned any described constructional device.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model openly provides a kind of constructional device and a kind of lightning protection device of power circuit anti-lightning, the constructional device of power circuit anti-lightning in Switching Power Supply filter input end and during the design of the pcb board of output, symmetrical zigzag point discharge copper sheet is set, and described zigzag point discharge copper sheet is connected on described pcb board by the mode of PCB layout.The utility model adopts the point discharge principle to come the place of gas discharge tube, because point discharge is can produce the phenomenon of ionization at the condition of high voltage lower prong to the tip according to conductor, realization prevents that thunderbolt from causing damage to Switching Power Supply, and easy for installation, with low cost, be directly installed on pcb board in production process, forever effectively, do not have the problem of failure of apparatus after installing.
In addition, the utility model adopts the angular copper sheet of being with of making symmetry to come the place of gas discharge tube to realize that energy discharges, and reduced cost, and the effect aspect anti-lightning strike is improved also.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
Fig. 1 is the constructional device schematic diagram of the disclosed a kind of power circuit anti-lightning of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model is to adopt the point discharge principle to replace gas discharge tube, realizes preventing that thunderbolt from causing damage to Switching Power Supply.In electrostatics; when conductor is charged; conductive surface is given prominence to and sharp-pointed place, and CHARGE DISTRIBUTION forms very strong electric field in its vicinity than comparatively dense; this electric field is with near the air ionization tip; air after ionization becomes conductor, and residual in the air after ionization have cation, a lightning voltage that these residual cations will neutralize and scurry into from power supply; and then the energy of elimination thunderbolt voltage, protection power source.In addition, the electric capacity in electronic component and inductance can gather strength, and energy accumulation and release have individual process, when the energy that gathers can not discharge in the very short time, will cause the damage of associated electronic components in circuit.
The utility model openly provides a kind of constructional device and a kind of lightning protection device of power circuit anti-lightning, the constructional device of power circuit anti-lightning in Switching Power Supply filter input end and during the design of the pcb board of output, symmetrical zigzag point discharge copper sheet is set, and described zigzag point discharge copper sheet is connected on described pcb board by the mode of PCB layout.The utility model adopts the point discharge principle to come the place of gas discharge tube, because point discharge is can produce the phenomenon of ionization at the condition of high voltage lower prong to the tip according to conductor, realization prevents that thunderbolt from causing damage to Switching Power Supply, and easy for installation, with low cost, be directly installed on pcb board in production process, forever effectively, do not have the problem of failure of apparatus after installing.In addition, the utility model adopts the angular copper sheet of being with of making symmetry to come the place of gas discharge tube to realize that energy discharges, and reduced cost, and the effect aspect anti-lightning strike is improved also.
See also accompanying drawing 1, be the constructional device schematic diagram of the disclosed a kind of power circuit anti-lightning of the utility model embodiment.The utility model embodiment discloses a kind of constructional device of power circuit anti-lightning, when the filter input end 101 in Switching Power Supply and 103 design of the pcb board of output 102, symmetrical zigzag point discharge copper sheet 104 is set, and described zigzag point discharge copper sheet 104 is connected on described pcb board 103 by the mode of PCB layout.
The point discharge copper sheet is that the mode by PCB layout is connected on the circuit of PCB, the shape of cabling cloth Cheng Shangtu, and the tip portion naked copper is processed, product is after the process wave-soldering, the naked copper part will be adhered to scolding tin, increases the area of tip portion, helps to discharge faster.Its connected mode is just completed when the PCB fabric swatch, need not other processing mode.
As shown in Figure 1, in sawtooth, every phase all is comprised of 4 pairs of single symmetrical isosceles triangles, also can make 2 pairs of single symmetrical isosceles triangles or more combinations to single symmetrical isosceles triangle, but no matter the quantity of single symmetrical isosceles triangle is referred to as zigzag.Except this jagged shape, its discharge tip can not be designed to other shapes, because point discharge is the phenomenon that the tip can produce ionization to be used at the condition of high voltage lower prong according to conductor, if be designed to the device that other does not have symmetrical pointed shape, just lose the theoretical foundation of point discharge, do not reached the effect of discharge.
Preferably, the point of zigzag point discharge copper sheet remains on the 0.8mm left and right to the distance between point, does not too far have the effect of discharge.
Preferably, the tip portion naked copper of dentation point discharge copper sheet, zigzag point discharge copper sheet are zigzag point discharge Copper Foil.Make the shape of sawtooth on circuit board by Copper Foil, the most advanced and sophisticated copper that reveals makes cost, has also strengthened discharge effect.
On the basis of the constructional device of above-mentioned disclosed power circuit anti-lightning, the invention also discloses a kind of lightning protection device, the constructional device of the above-mentioned power circuit anti-lightning that provides is provided.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the constructional device of a power circuit anti-lightning, it is characterized in that, when the filter input end in Switching Power Supply and the design of the pcb board of output, symmetrical zigzag point discharge copper sheet is set, described zigzag point discharge copper sheet is connected on described pcb board by the mode of PCB layout.
2. constructional device according to claim 1, is characterized in that, the point of described zigzag point discharge copper sheet remains on the 0.8mm left and right to the distance between point.
3. constructional device according to claim 1, is characterized in that, the tip portion naked copper of described zigzag point discharge copper sheet is zinc-plated.
4. constructional device according to claim 1, is characterized in that, described zigzag point discharge copper sheet is zigzag point discharge Copper Foil.
5. a lightning protection device, is characterized in that, comprises the described constructional device of any one in the claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206882859U CN202997298U (en) | 2012-12-13 | 2012-12-13 | Power circuit lightning resistance structure device and lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206882859U CN202997298U (en) | 2012-12-13 | 2012-12-13 | Power circuit lightning resistance structure device and lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997298U true CN202997298U (en) | 2013-06-12 |
Family
ID=48568430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206882859U Expired - Lifetime CN202997298U (en) | 2012-12-13 | 2012-12-13 | Power circuit lightning resistance structure device and lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN105960088A (en) * | 2016-05-13 | 2016-09-21 | 深圳华正达电子有限公司 | Peak discharge circuit and printed circuit board provided with same |
| CN113555650A (en) * | 2021-09-16 | 2021-10-26 | 深圳市华浩德电子有限公司 | Power supply circuit cut-off device for preventing electric shock |
-
2012
- 2012-12-13 CN CN2012206882859U patent/CN202997298U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN105960088A (en) * | 2016-05-13 | 2016-09-21 | 深圳华正达电子有限公司 | Peak discharge circuit and printed circuit board provided with same |
| CN113555650A (en) * | 2021-09-16 | 2021-10-26 | 深圳市华浩德电子有限公司 | Power supply circuit cut-off device for preventing electric shock |
| CN113555650B (en) * | 2021-09-16 | 2021-12-03 | 深圳市华浩德电子有限公司 | Power supply circuit cut-off device for preventing electric shock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 1st floor to 5th floor, building 1, No. 4023, Wuhe Avenue, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen kangguan Technology Co.,Ltd. Address before: 518129, Longgang District, Guangdong City, Buji province Shenzhen Village No. five and 1 North Avenue, workshop 1, A District, 2 B District Patentee before: SHENZHEN KTC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |