CN203596612U - AC lightning protection power supply board for LED lighting equipment - Google Patents
AC lightning protection power supply board for LED lighting equipment Download PDFInfo
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- CN203596612U CN203596612U CN201320762630.3U CN201320762630U CN203596612U CN 203596612 U CN203596612 U CN 203596612U CN 201320762630 U CN201320762630 U CN 201320762630U CN 203596612 U CN203596612 U CN 203596612U
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- resistance
- protection circuit
- led lighting
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- 238000004891 communication Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 abstract description 6
- 238000010304 firing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses an AC lightning protection power supply board for LED lighting equipment. The AC lightning protection power supply board is disposed between a power supply terminal and an equipment terminal, and includes a common mode inductor, a first protective circuit and a second protective circuit. Two inductors L1 and L2 of the common mode inductor are connected in series onto a firing line and a zero line. The first protective circuit is disposed between the common mode inductor and the equipment terminal. The second protective circuit is disposed between the common mode inductor and the power supply terminal. The AC lightning protection power supply board for the LED lighting equipment is advantageous in that the protective circuit, which is disposed at the power supply input terminal of the LED lighting equipment, can be used for over-voltage or surge current protection.
Description
Technical field
The utility model relates to a kind of lightning protection device, particularly relates to a kind of LED lighting apparatus communication lightning-protection power panel.
Background technology
At present also there is no a set of complete thunder-strike prevention standard at whole illuminating industry, do not have to make special lightning protection protection for self product yet.In the time running into overcurrent and overvoltage, LED equipment can be recruited destruction.
Utility model content
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, and a kind of LED lighting apparatus communication lightning-protection power panel is provided, and solves existing LDE lighting apparatus in the time running into overcurrent and overvoltage, i.e. destroyed defect.
The purpose of this utility model is achieved through the following technical solutions: a kind of LED lighting apparatus communication lightning-protection power panel, be arranged between power end and equipment end, comprise common mode inductance, the first protection circuit and the second protection circuit, two inductance L 1 of described common mode inductance, L2 is serially connected in respectively on live wire and zero line, the first protection circuit is set between common mode inductance and equipment end, the second protection circuit is set between common mode inductance and power end, the first protection circuit comprises the heat protection piezo-resistance of two series connection, heat protection piezo-resistance T1, one end line of starting to exchange fire after T2 series connection, another terminal connecting zero line, heat protection piezo-resistance T1, T2 junction arranges the gas discharge tube G1 of a ground connection, the second protection circuit comprises the heat protection piezo-resistance of one group of series connection, the heat protection piezo-resistance of this group series connection comprises at least two heat protection piezo-resistances, one end line of starting to exchange fire after the series connection of this group heat protection piezo-resistance, another terminal connecting zero line, and the junction that has two heat protection piezo-resistances in the second protection circuit arranges the gas discharge tube G2 of a ground connection.In the time that surge current arrives, due to the decoupling effect of common mode inductance, make the first protection circuit that first protection action occur; heat protection piezo-resistance conducting gradually along with the rising of voltage in the first protection circuit; in conducting in a flash, G2 is breakdown, and the surge current of conducting is imported to the earth.In the time that first order protection circuit reaches capacity, second level protection circuit is started working, and starts working according to the operation principle identical with first order protection circuit, has so formed secondary protection.Superpotential situation is similar to the above process, is also first to carry out decoupling by common mode inductance, then has follow-up a series of protection actions.This device can solve the de-mouth of heat, overcurrent protection, low residual voltage, the zero afterflow lamp problem of the transmission of electricity porch of LED lighting apparatus.This device has the through-current capacity of B level lightning protection device simultaneously, and has guaranteed the residual voltage requirement of C level lightning protection device.
Further; the first above-mentioned protection circuit also comprises a heat protection piezo-resistance T3; the two ends of described heat protection piezo-resistance T3 start to exchange fire respectively line and zero line; at overvoltage or surge current when excessive; heat protection piezo-resistance, i.e. a fuse wire of a piezo-resistance series connection, effect is to absorb surge energy; and by the overvoltage clamper by piezo-resistance at a certain value Up, what Up value should meet protected equipment bears proof voltage value.
Further, the second above-mentioned protection circuit also comprises the heat protection piezo-resistance of one group of series connection, one end line of starting to exchange fire after this group heat protection piezo-resistance series connection, another terminal connecting zero line.
Further; heat protection piezo-resistance in above-mentioned the first protection circuit and the second protection circuit all comprises a built-in temperature fuse and a built-in isolated temperature fuse; built-in temperature fuse is connected in series corresponding piezo-resistance; after the built-in isolated temperature fuse of all heat protection piezo-resistances is all connected in series, after connecting with an alarm module, form a loop.In the time of piezo-resistance conducting, this loop obtains voltage, and alarm and Light-Emitting Diode in alarm module work, and gives the staff of outer end the information that gives a warning.
Preferably, the model that the protection of the heat in the first described protection circuit piezo-resistance adopts is all T20S621-IT.
Preferably, the model that the protection of the heat in the second described protection circuit piezo-resistance adopts is all M25S621IT136-2-C.
Preferably, the gas discharge tube G1 in the first described protection circuit adopts 2RP600L-8.
Preferably, the gas discharge tube G2 in the second described protection circuit adopts PSC600D2.
Preferably, the model that the inductance L 1 in described common mode inductance, L2 adopt is L7-7.
The beneficial effects of the utility model are: at the power input of LED lighting apparatus, a protective circuit is set, for protecting overvoltage or surge current.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of embodiment 3.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
[embodiment 1]
As shown in Figure 1, a kind of LED lighting apparatus communication lightning-protection power panel, be arranged between power end and equipment end, comprise common mode inductance, the first protection circuit and the second protection circuit, two inductance L 1 of described common mode inductance, L2 is serially connected in respectively on live wire and zero line, the first protection circuit is set between common mode inductance and equipment end, the second protection circuit is set between common mode inductance and power end, the first protection circuit comprises the heat protection piezo-resistance of two series connection, heat protection piezo-resistance T1, one end line of starting to exchange fire after T2 series connection, another terminal connecting zero line, heat protection piezo-resistance T1, T2 junction arranges the gas discharge tube G1 of a ground connection, the second protection circuit comprises the heat protection piezo-resistance of one group of series connection, the heat protection piezo-resistance of this group series connection comprises six heat protection piezo-resistance T4-T9, one end line of starting to exchange fire after the series connection of this group heat protection piezo-resistance, another terminal connecting zero line, and the junction that has two heat protection piezo-resistances in the second protection circuit arranges the gas discharge tube G2 of a ground connection, specifically six heat protection piezo-resistance T4-T9 have been divided into two parts by this junction, two parts are all three heat protection piezo-resistances, respectively T4-T6 and T7-T9 two parts.In the time that surge current arrives, due to the decoupling effect of common mode inductance, make the first protection circuit that first protection action occur; heat protection piezo-resistance conducting gradually along with the rising of voltage in the first protection circuit; in conducting in a flash, G2 is breakdown, and the surge current of conducting is imported to the earth.In the time that first order protection circuit reaches capacity, second level protection circuit is started working, and starts working according to the operation principle identical with first order protection circuit, has so formed secondary protection.
The model that heat protection piezo-resistance in the present embodiment in the first protection circuit adopts is all TFMOV20S621-IT.
The model that heat protection piezo-resistance in the present embodiment in the second protection circuit adopts is all M25S621IT136-2-C.
Gas discharge tube G1 in the present embodiment in the first protection circuit adopts 2RP600L-8.
Gas discharge tube G2 in the present embodiment in the second protection circuit adopts PSC600D2.
Inductance L 1 in the present embodiment in common mode inductance, the model that L2 adopts are L7-7.
[embodiment 2]
As Fig. 2; the structure of the present embodiment and embodiment 1 are basically identical; difference is that the first protection circuit also comprises a heat protection piezo-resistance T3; the two ends of described heat protection piezo-resistance T3 start to exchange fire respectively line and zero line; at overvoltage or surge current when excessive; heat protection piezo-resistance; an i.e. fuse wire of a piezo-resistance series connection; effect is to absorb surge energy; and by the overvoltage clamper by piezo-resistance at a certain value Up, what Up value should meet protected equipment bears proof voltage value.
Further, the second above-mentioned protection circuit also comprises the heat protection piezo-resistance of one group of series connection, one end line of starting to exchange fire after this group heat protection piezo-resistance series connection, another terminal connecting zero line.
The model that heat protection piezo-resistance in the present embodiment in the first protection circuit adopts is all T20S621-IT.
The model that heat protection piezo-resistance in the present embodiment in the second protection circuit adopts is all M25S621IT136-2-C.
[embodiment 3]
As Fig. 3; the structure of the present embodiment and embodiment 2 are basically identical; difference is that the heat protection piezo-resistance in the first protection circuit and the second protection circuit all comprises a built-in temperature fuse and a built-in isolated temperature fuse; built-in temperature fuse is connected in series corresponding piezo-resistance; after the built-in isolated temperature fuse of all heat protection piezo-resistances is all connected in series, after connecting with an alarm module, form a loop.In the time of piezo-resistance conducting, this loop obtains voltage, and alarm and Light-Emitting Diode in alarm module work, and gives the staff of outer end the information that gives a warning.
Claims (9)
1. a LED lighting apparatus communication lightning-protection power panel, be arranged between power end and equipment end, it is characterized in that: comprise common mode inductance, the first protection circuit and the second protection circuit, two inductance L 1 of described common mode inductance, L2 is serially connected in respectively on live wire and zero line, the first protection circuit is set between common mode inductance and equipment end, the second protection circuit is set between common mode inductance and power end, the first protection circuit comprises the heat protection piezo-resistance of two series connection, heat protection piezo-resistance T1, one end line of starting to exchange fire after T2 series connection, another terminal connecting zero line, heat protection piezo-resistance T1, T2 junction arranges the gas discharge tube G1 of a ground connection, the second protection circuit comprises the heat protection piezo-resistance of one group of series connection, the heat protection piezo-resistance of this group series connection comprises at least two heat protection piezo-resistances, one end line of starting to exchange fire after the series connection of this group heat protection piezo-resistance, another terminal connecting zero line, and the junction that has two heat protection piezo-resistances in the second protection circuit arranges the gas discharge tube G2 of a ground connection.
2. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 1, is characterized in that, the first described protection circuit also comprises a heat protection piezo-resistance T3, the two ends of described heat protection piezo-resistance T3 start to exchange fire respectively line and zero line.
3. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 2; it is characterized in that; the second described protection circuit also comprises the heat protection piezo-resistance of one group of series connection, one end line of starting to exchange fire after this group heat protection piezo-resistance series connection, another terminal connecting zero line.
4. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 3; it is characterized in that; heat protection piezo-resistance in described the first protection circuit and the second protection circuit all comprises a built-in temperature fuse and a built-in isolated temperature fuse; built-in temperature fuse is connected in series corresponding piezo-resistance; after the built-in isolated temperature fuse of all heat protection piezo-resistances is all connected in series, after connecting with an alarm module, form a loop.
5. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 4, is characterized in that, the model that the heat protection piezo-resistance in the first described protection circuit adopts is all T20S621-IT.
6. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 4, is characterized in that, the model that the heat protection piezo-resistance in the second described protection circuit adopts is all M25S621IT136-2-C.
7. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 1, is characterized in that, the gas discharge tube G1 in the first described protection circuit adopts 2RP600L-8.
8. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 1, is characterized in that, the gas discharge tube G2 in the second described protection circuit adopts PSC600D2.
9. a kind of LED lighting apparatus communication lightning-protection power panel according to claim 3, is characterized in that, the inductance L 1 in described common mode inductance, the model that L2 adopts are L7-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762630.3U CN203596612U (en) | 2013-11-28 | 2013-11-28 | AC lightning protection power supply board for LED lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762630.3U CN203596612U (en) | 2013-11-28 | 2013-11-28 | AC lightning protection power supply board for LED lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596612U true CN203596612U (en) | 2014-05-14 |
Family
ID=50677470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320762630.3U Expired - Lifetime CN203596612U (en) | 2013-11-28 | 2013-11-28 | AC lightning protection power supply board for LED lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596612U (en) |
-
2013
- 2013-11-28 CN CN201320762630.3U patent/CN203596612U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: AC lightning protection power supply board for LED lighting equipment Effective date of registration: 20181212 Granted publication date: 20140514 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000135 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |
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| CX01 | Expiry of patent term |