CN204030571U - The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity - Google Patents
The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity Download PDFInfo
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- CN204030571U CN204030571U CN201420382396.6U CN201420382396U CN204030571U CN 204030571 U CN204030571 U CN 204030571U CN 201420382396 U CN201420382396 U CN 201420382396U CN 204030571 U CN204030571 U CN 204030571U
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- piezo
- guard wire
- zero line
- discharge capacity
- guard
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- 230000001052 transient effect Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000007935 neutral effect Effects 0.000 claims abstract 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 abstract description 4
- 230000001012 protector Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity, object is to solve that thunderbolt discharge capacity is less, surge pulse protection is narrower, residual voltage is higher, to shortcomings such as protected equipment are high not.It comprises three grades of guard wires that are linked in sequence, the first guard wire comprises the first piezo-resistance being connected between zero line and live wire, the first piezo-resistance and zero line link are by the first gas discharge tube ground connection, the 3rd guard wire comprises the second piezo-resistance being connected between zero line and live wire, the second piezo-resistance and zero line link are by the 3rd gas discharge tube ground connection, it is characterized in that, between the first guard wire and the second guard wire by there being the first decoupling inductance unit to be connected, the second guard wire is connected by the second decoupling inductance unit with the 3rd guard wire, described the second guard wire comprises overload protective tube and the transient diode of series connection, the overload protective tube line of starting to exchange fire, transient diode connecting to neutral line, transient diode and zero line link are by the second gas discharge tube ground connection.
Description
Technical field
The utility model relates to shocking preventing technology, and particularly the large discharge capacity of AC and DC power-supply system of wide-voltage range is, the technology of the low residual voltage lightning protection surge protector of wide thunderbolt impulse waveform.
Background technology
Present power lightning protection surge protector generally comprise (protection of one-level or two-stage, discharge capacity is less conventionally, residual voltage is higher, not high enough to protected equipment voltage protection level.
Utility model content
The purpose of this utility model be overcome less, the resistance to pulse current scope of general thunderbolt discharge capacity designing on general lightning protection surge protection at present low narrow, output residual voltage is higher, the shortcoming such as a little less than equipment protection ability, and the AC and DC power supply lightning protection device of the wide-voltage range of the low residual voltage of a kind of large discharge capacity is provided.
The utility model is by the following technical solutions to achieve these goals:
The friendship of the wide-voltage range of the low residual voltage of a kind of large discharge capacity, DC power supply lightning protection device, comprise three grades of guard wires that are linked in sequence, the first guard wire comprises the first piezo-resistance being connected between zero line and live wire, the first piezo-resistance and zero line link are by the first gas discharge tube ground connection, the 3rd guard wire comprises the second piezo-resistance being connected between zero line and live wire, the second piezo-resistance and zero line link are by the 3rd gas discharge tube ground connection, it is characterized in that, between the first guard wire and the second guard wire by there being the first decoupling inductance unit to be connected, the second guard wire is connected by the second decoupling inductance unit with the 3rd guard wire, described the second guard wire comprises overload protective tube and the transient diode of series connection, the overload protective tube line of starting to exchange fire, transient diode connecting to neutral line, transient diode and zero line link are by the second gas discharge tube ground connection.
In technique scheme, it is the varistor that 18V to 1800V has overheated tripping function that the first and second piezo-resistances adopt starting resistor,
In technique scheme, first, second, and third gas discharge tube adopts the gas discharge tube that direct current starting resistor is 70V to 2000V.
In technique scheme, transient diode adopts the transient diode that direct current starting resistor is 5V to 2000V.
In technique scheme, carry protective tube and adopt overcurrent protective tube or the temperature safety tube that electric current is 1A to 100A.
The utility model is because adopt above technical scheme, so possess following beneficial effect:
By above-mentioned based on a kind of based on large discharge capacity, high-energy, the friendship of low residual voltage, the circuit design of DC power supply thunder proof surge protector, product surge side is applied to thunder-strike current: induction lightening discharge capacity at 5 to 400kA (8/20us) or direct lightning strike discharge capacity at 2 to 200kA (10/350us), and by standard-required, carry out load-side lightning test surge protector without damage at equipment side, due to first and third level protection circuit between add one-level it adopt the transient diode of quick response, reduce greatly the residual voltage of output, make its residual voltage level be reduced to before shown in Fig. 1 below 40%, equipment can obtain better protection.Reduce the impact that subscriber equipment is struck by lightning.
Accompanying drawing explanation
Fig. 1 is normal power supplies lightning protection surge protection schematic diagram;
Fig. 2 is this example power lightning protection surge protector schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail.
The technical scheme adopting as shown in Figure 2, comprise one or more input wires terminals, one or more output wiring terminals, one or more ground connection binding posts, also comprise that between line, adopting one or more starting resistors is the varistor that 18V to 1800V has overheated tripping function, RTN adopts to ground the gas discharge tube that one or more direct current starting resistors are 70V to 2000V, after adopting the transient diode of the quick response of 5V to 2000V and the overload protection element that electric current is 1A to 100A (protective tube: adopt Temperature protection or overcurrent protective tube) combination between the guard wire of the second level, be parallel in circuit, between third level guard wire, adopt piezo-resistance, also comprise that between line, adopting one or more starting resistors is 18 to 1800V to have the varistor of overheated tripping function, RTN adopts to ground the gas discharge tube that one or more direct current starting resistors are 70V to 2000V, between first order guard wire, adopt piezo-resistance, line adopts gas discharge tube to ground, it is characterized in that, also comprise and between line, adopt 18 to the 1800V varistors with overheated tripping function, described input and one or more input terminal sub-connection, output and one or more outlet terminal sub-connection, earth terminal is connected by one or more ground connection binding posts.
It is 400kA (8/20uS) that the utility model applies capacity to product surge side; 200kA (10/350uS); and by standard-required, carry out lightning test surge protector without damage in standby side; owing to adding one-level between two-stage protection, it adopts high-power TVS; reduce greatly the residual voltage of output; make its residual voltage level before being reduced to below 40%, equipment can obtain better protection.Reduce the impact of thunderbolt on subscriber equipment.
Embodiment 1
The utility model comprises one or more input wires terminals, one or more output wiring terminals, one or more ground connection binding posts, between first order guard wire, adopt pressure-sensitive, line adopts gas discharge tube to ground, it is characterized in that, also comprising between line adopts 100V to have the varistor that heat is threaded off,-48V RTN adopts one or more friendships to ground, direct voltage 90V or 70V gas discharge tube, between the guard wire of the second level, adopt transient diode and protective tube (or Temperature protection, or PCT) series connection, between third level guard wire, adopt pressure-sensitive, it is characterized in that, also comprising between line adopts 100V to have the varistor that heat is threaded off, described input and a plurality of input terminal sub-connections of one or more input wires terminal, output and one or more outlet terminal sub-connection, earth terminal is connected by one or more ground connection binding posts, in each shunt circuit, add the trip gear that prevents overcurrent overheat.
Claims (5)
1. the friendship of the wide-voltage range of the low residual voltage of large discharge capacity, DC power supply lightning protection device, comprise three grades of guard wires that are linked in sequence, the first guard wire comprises the first piezo-resistance being connected between zero line and live wire, the first piezo-resistance and zero line link are by the first gas discharge tube ground connection, the 3rd guard wire comprises the second piezo-resistance being connected between zero line and live wire, the second piezo-resistance and zero line link are by the 3rd gas discharge tube ground connection, it is characterized in that, between the first guard wire and the second guard wire by there being the first decoupling inductance unit to be connected, the second guard wire is connected by the second decoupling inductance unit with the 3rd guard wire, described the second guard wire comprises overload protective tube and the transient diode of series connection, the overload protective tube line of starting to exchange fire, transient diode connecting to neutral line, transient diode and zero line link are by the second gas discharge tube ground connection.
2. the AC and DC power supply lightning protection device of the wide-voltage range of the low residual voltage of a kind of large discharge capacity according to claim 1, is characterized in that: it is the varistor that 18V to 1800V has overheated tripping function that the first and second piezo-resistances adopt starting resistor.
3. the AC and DC power supply lightning protection device of the wide-voltage range of the low residual voltage of a kind of large discharge capacity according to claim 1, is characterized in that: first, second, and third gas discharge tube adopts the gas discharge tube that direct current starting resistor is 70V to 2000V.
4. the AC and DC power supply lightning protection device of the wide-voltage range of the low residual voltage of a kind of large discharge capacity according to claim 1, is characterized in that: transient diode adopts the transient diode that direct current starting resistor is 5V to 2000V.
5. the AC and DC power supply lightning protection device of the wide-voltage range of the low residual voltage of a kind of large discharge capacity according to claim 1, is characterized in that: overload protective tube adopts overcurrent protective tube or the temperature safety tube that electric current is 1A to 100A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382396.6U CN204030571U (en) | 2014-07-11 | 2014-07-11 | The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420382396.6U CN204030571U (en) | 2014-07-11 | 2014-07-11 | The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030571U true CN204030571U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420382396.6U Expired - Fee Related CN204030571U (en) | 2014-07-11 | 2014-07-11 | The AC and DC power supply lightning protection device of the wide-voltage range of the large low residual voltage of discharge capacity |
Country Status (1)
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| CN (1) | CN204030571U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762778A (en) * | 2016-02-29 | 2016-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Surge protection circuit and mobile terminal |
| CN111900707A (en) * | 2020-08-31 | 2020-11-06 | 武汉强宝科技有限公司 | Sequential release surge protector |
| CN112165178A (en) * | 2020-09-23 | 2021-01-01 | 许继集团有限公司 | Ground wire induction electricity taking device based on single-phase isolation suppressor |
| CN112803367A (en) * | 2021-03-19 | 2021-05-14 | 四川中光防雷科技股份有限公司 | Failure breaking assembly of signal surge protector |
-
2014
- 2014-07-11 CN CN201420382396.6U patent/CN204030571U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762778A (en) * | 2016-02-29 | 2016-07-13 | 宇龙计算机通信科技(深圳)有限公司 | Surge protection circuit and mobile terminal |
| CN111900707A (en) * | 2020-08-31 | 2020-11-06 | 武汉强宝科技有限公司 | Sequential release surge protector |
| CN112165178A (en) * | 2020-09-23 | 2021-01-01 | 许继集团有限公司 | Ground wire induction electricity taking device based on single-phase isolation suppressor |
| CN112803367A (en) * | 2021-03-19 | 2021-05-14 | 四川中光防雷科技股份有限公司 | Failure breaking assembly of signal surge protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20210711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |