CN2481035Y - Multi-stage lightning protector for telecommunication base station - Google Patents
Multi-stage lightning protector for telecommunication base station Download PDFInfo
- Publication number
- CN2481035Y CN2481035Y CN 01206145 CN01206145U CN2481035Y CN 2481035 Y CN2481035 Y CN 2481035Y CN 01206145 CN01206145 CN 01206145 CN 01206145 U CN01206145 U CN 01206145U CN 2481035 Y CN2481035 Y CN 2481035Y
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- Prior art keywords
- circuit
- protection circuit
- lightning protection
- lightning
- base station
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- 230000001012 protector Effects 0.000 title abstract 3
- 239000011810 insulating material Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000006866 deterioration Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 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 1
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Abstract
A multi-stage lightning protector for telecommunication base station comprises a box and an electronic component arranged inside the box, wherein the electronic component forms a power supply lightningproof circuit and a signal lightningproof circuit. The power supply lightningproof circuit is at least in three-stage and the signal lightningproof circuit is at least in two- stage. All of power supply lightningproof circuits in different stages and all of signal lightningproof circuits in different stages are connected with each other in series. Isolating circuits are arranged between the power supply lightningproof circuits in every two stages and between signal lightningproof circuits in every two stages. The lightning protector is small in volume, has moisture resistance and corrosion resistance, can not be damaged under the impact of 40 KA lightning, and can be widely applied to the protection for communication base stations and various precise instruments.
Description
The utility model belongs to the lightning arrester that communication base station is used, and source lightning protection of particularly a kind of current collection and signal lighting protection are in the comprehensive lightning arrester of one.
The lightning arrester that communication base station is used; domestic a large amount of uses at present are called the lightning arrester of " Joint Box " from the name of external import; this kind lightning arrester mainly is made up of a R type transformer and a pair of signal protection device, and transformer is used for power lightning protection, and the signal protection device is used for signal lighting protection.The lightning arrester of said structure has certain protective action to the destruction less than the lightning current of 5KA, but powerless to destructive overvoltage, overcurrent (overvoltage that promptly surpasses the withstand voltage scope of R type transformer).Because the base station is fixed on roof or the overhead wire; and mounting points very close (as only 50 meters or 100 meters of the spacings of 200 milliwatt PHS base stations); in such environment; overvoltage, the overcurrent that power network fluctuation and thunderbolt produce all is easy to surpass the withstand voltage scope of R type transformer; therefore " Joint Box " lightning arrester is easy to be broken by thunder and lightning, is difficult to the lightning protection effect is played in the base station.
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of Chinese People's Anti-Japanese Military and Political College superpotential base station lightning arrester is provided.
The purpose of this utility model is achieved in that and adopts multistage lightning protection circuit design lightning arrester, powerful lightning current and overvoltage are released step by step and limits, and makes it less than the communication base station disintegration voltage, thereby communication base station is protected.
The communication base station that the utility model provides comprises box body with multistage lightning arrester and is loaded on the interior electronic devices and components of box body, electronic devices and components form power lightning protection circuit and signal lighting protection circuit, the power lightning protection circuit is at least three grades, signal lighting protection circuit is at least two-stage, the connected mode of power lightning protection circuit at different levels, signal lighting protection circuits at different levels adopts series connection, between the power lightning protection circuit at different levels, be provided with buffer circuit between the signal lighting protection circuit at different levels.Characteristics according to lightning current, one-level power lightning protection circuit and one stage signal lightning protection circuit are big current drain circuit, secondary power supply lightning protection circuit and second signal lightning protection circuit are pressure limiting circuit, and power lightning protection circuit more than three grades and three grades and the signal lighting protection circuit more than three grades and three grades are clamp circuit.
In order to realize goal of the invention better, the utility model has also been taked following technical measures:
1. between buffer circuit that links to each other with one-level power lightning protection circuit and secondary power supply lightning protection circuit, protective circuit is set, to improve the fail safe of lightning arrester.
2. multiple mode is adopted in the design of buffer circuit, and the buffer circuit between the power lightning protection circuit is made of decoupling inductor or transformer or filter, and the buffer circuit between the signal lighting protection circuit is made of resistance or inductance, can adapt to the requirement of different base station like this.
3. the decoupling inductor that constitutes buffer circuit is potted in the air core inductor in the housing or is with the inductance of magnetic core to form by housing and employing insulating material, is beneficial to strengthen moisture resistance, anti-corrosion property and the stability of lightning arrester, reduces the volume of lightning arrester.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is a kind of circuit block diagram of the lightning arrester that proposes according to the utility model;
Fig. 2 is another circuit block diagram of the lightning arrester that proposes according to the utility model, has set up protective circuit in the power lightning protection circuit;
Fig. 3 is a kind of electric theory diagram of Fig. 2;
Fig. 4 is a kind of electrical schematic diagram of Fig. 3;
Fig. 5 is the third structure chart of the lightning arrester that proposes according to the utility model;
Fig. 6 is a kind of electric theory diagram of Fig. 5;
Fig. 7 is a kind of electrical schematic diagram of Fig. 6;
Fig. 8 is a kind of structure chart of decoupling inductor;
Fig. 9 is another structure chart of decoupling inductor;
Figure 10 is a kind of structure chart of the lightning arrester that proposes according to the utility model.
Embodiment 1:
Lightning arrester in the present embodiment is 500 milliwatt base station lightning arresters, and its structure comprises the electronic devices and components in box body 21, lid 22 and the box body as shown in figure 10.The power lightning protection circuit that electronic devices and components form and structure such as Fig. 2, Fig. 3, shown in Figure 4 of signal lighting protection circuit; the power lightning protection circuit is three grades; signal lighting protection circuit is a two-stage; the connected mode of power lightning protection circuit at different levels, signal lighting protection circuits at different levels adopts series connection; between the power lightning protection circuit at different levels, be provided with buffer circuit between the signal lighting protection circuit at different levels, be provided with protective circuit 9 between buffer circuit 2 that links to each other with one-level power lightning protection circuit and the secondary power supply lightning protection circuit 3.The concrete structure of each circuit is as follows: one-level power lightning protection circuit 1 is big current drain circuit, by piezo-resistance RV
1, gas discharge tube V
1The live wire that is composed in series and the protective circuit of zero line and piezo-resistance RV
2, gas discharge tube V
2, gas discharge tube V
3, piezo-resistance RV
3The live wire that is composed in series, zero line leadage circuit are over the ground formed.Buffer circuit 2 is by decoupling inductor L
1, L
2Form, the structure of decoupling inductor is made up of the air core inductor that housing 16 and employing insulating material 17 are potted in the housing as shown in Figure 8, and air core inductor comprises skeleton 18 and is the lead-in wire 19 around the center with skeleton.Protective circuit 9 is by temperature fuse FU
1, FU
2And live wire deterioration indicating circuit that links to each other with temperature fuse and zero line deterioration indicating circuit composition, live wire deterioration indicating circuit is by resistance R
1, diode VD
1, VD
2With light-emitting diode HL
1Form, zero line deterioration indicating circuit is by resistance R
2, diode VD
3, VD
4With light-emitting diode HL
2Form.Secondary power supply lightning protection circuit 3 is a pressure limiting circuit, by piezo-resistance RV
4RV
5Circuit and gas discharge tube V that series connection forms
4, capacitor C
1C
2Circuit and piezo-resistance RV that series connection forms
6 Form.Buffer circuit 4 is a filter, by the magnet ring inductance L
5, decoupling inductor L
6L
7, capacitor C
3, resistance R
3, capacitor C
4C
5Form; The structure of decoupling inductor is formed by housing 16 with the band magnetic core inductance that insulating material 17 is potted in the housing as shown in Figure 9, and band magnetic core inductance comprises magnetic core 20 and lead-in wire 19; Also be in series with resistance R after the buffer circuit 4
4, diode VD
5VD
6, light-emitting diode HL
3The working indicating that forms.Three stage power source lightning protection circuit 5 is a clamp circuit, by piezo-resistance RV
7Form.One stage signal lightning protection circuit 6 has four groups, is big current drain circuit, respectively by gas discharge tube V
5, V
6, V
7, V
8 Form.Buffer circuit 7 has four groups, respectively by resistance R
5R
6, R
7R
8, R
9R
10, R
11R
12Form.Second signal lightning protection circuit 8 has four groups, is pressure limiting circuit, respectively by diode VD
7-VD
13, VD
14-VD
20, VD
21-VD
27, VD
28-VD
34Form.
Embodiment 2:
Lightning arrester in the present embodiment is 200 milliwatt base station lightning arresters, and its structure comprises the electronic devices and components in box body 21, lid 22 and the box body as shown in figure 10.The power lightning protection circuit that electronic devices and components form and structure such as Fig. 5, Fig. 6, shown in Figure 7 of signal lighting protection circuit, the power lightning protection circuit is a Pyatyi, signal lighting protection circuit is three grades.The concrete structure of each circuit is as follows: one-level power lightning protection circuit 1 is big current drain circuit, and is identical with the structure of embodiment 1.Buffer circuit 2 is by decoupling inductor L
1, L
2Form, the structure of decoupling inductor is made up of the air core inductor that housing 16 and employing insulating material 17 are potted in the housing as shown in Figure 8, and air core inductor comprises skeleton 18 and is the lead-in wire 19 around the center with skeleton.The structure of protective circuit 9 is identical with the structure of embodiment 1.Secondary power supply lightning protection circuit 3 is a pressure limiting circuit, by piezo-resistance RV
4RV
5Circuit, gas discharge tube V that series connection forms
4, capacitor C
1C
2The circuit that series connection forms is formed.Buffer circuit 4 is by decoupling inductor L
3, L
4Form, the structure of decoupling inductor is made up of the air core inductor that housing 16 and employing insulating material 17 are potted in the housing as shown in Figure 8.Three stage power source lightning protection circuit 5 is a clamp circuit, by the piezo-resistance RV that is connected between live wire and the zero line
6 Form.Buffer circuit 10 is a R type transformer.Level Four power lightning protection circuit 11 is a clamp circuit, by the piezo-resistance RV that is connected between live wire and the zero line
7 Form.Buffer circuit 12 is a filter, and its structure is with the buffer circuit among the embodiment 14.Pyatyi power lightning protection circuit 13 is a clamp circuit, by the piezo-resistance RV that is connected between live wire and the zero line
8Form.One stage signal lightning protection circuit 6 is big current drain circuit, by gas discharge tube V
5 Form.Buffer circuit 7 is by isolation resistance R
5R
6Form.Second signal lightning protection circuit 8 is a pressure limiting circuit, by piezo-resistance RV
9RV
10RV
11 Form.Buffer circuit 14 is by decoupling inductor L
8, L
9Form, the structure of decoupling inductor is made up of the air core inductor that housing 16 and employing insulating material 17 are potted in the housing as shown in Figure 8.Three grades of signal lighting protection circuits 15 are clamp circuit, by diode VD
7-VD
13Form.
The utlity model has following advantage:
1. owing to adopt multi-stage power source lightning protection circuit and multilevel signal lightning protection circuit, so resistance to pressure increases substantially, Can be not damaged under the lightning impulse of 40KA.
2. the decoupling inductor that consists of buffer circuit adopts the insulating materials embedding, has both strengthened the moisture resistance of arrester, anti-corruption Property and stability have reduced again the volume of arrester.
3. buffer circuit adopts the various ways design, is convenient to be suitable for the requirement of different base station.
4. design holding circuit at the power lightning protection circuit, improved the security of arrester.
This kind arrester also is widely used in various precision instruments (Medical Devices, electronics except being applied to communication base station Instrument and meter etc.) protection.
Claims (8)
1. multistage lightning arrester of communication base station, comprise box body (21) and be loaded on the interior electronic devices and components of box body, electronic devices and components form power lightning protection circuit and signal lighting protection circuit, it is characterized in that the power lightning protection circuit is at least three grades, signal lighting protection circuit is at least two-stage, the connected mode of power lightning protection circuit at different levels, signal lighting protection circuits at different levels adopts series connection, between the power lightning protection circuit at different levels, be provided with buffer circuit between the signal lighting protection circuit at different levels.
2. the multistage lightning arrester of communication base station according to claim 1 is characterized in that being provided with protective circuit (9) between the buffer circuit (2) that links to each other with one-level power lightning protection circuit and the secondary power supply lightning protection circuit (3).
3. the multistage lightning arrester of communication base station according to claim 2 is characterized in that protective circuit (9) reaches the live wire deterioration indicating circuit and the zero line deterioration indicating circuit that link to each other with temperature fuse by temperature fuse and forms.
4. according to claim 1 or the multistage lightning arrester of 2 or 3 described communication base stations, it is characterized in that one-level power lightning protection circuit (1) and one stage signal lightning protection circuit (6) are big current drain circuit, secondary power supply lightning protection circuit (3) is a pressure limiting circuit with second signal lightning protection circuit (8), and power lightning protection circuit more than three grades and three grades and the signal lighting protection circuit more than three grades and three grades are clamp circuit.
5. according to claim 1 or the multistage lightning arrester of 2 or 3 described communication base stations, it is characterized in that the buffer circuit between the power lightning protection circuit is made of decoupling inductor or transformer or filter, the buffer circuit between the signal lighting protection circuit is made of resistance or inductance.
6. the multistage lightning arrester of communication base station according to claim 4 is characterized in that the buffer circuit between the power lightning protection circuit is made of decoupling inductor or transformer or filter, and the buffer circuit between the signal lighting protection circuit is made of resistance or inductance.
7. the multistage lightning arrester of communication base station according to claim 5 is characterized in that decoupling inductor is potted in the air core inductor in the housing or is with the inductance of magnetic core to form by housing (16) and employing insulating material (17).
8. the multistage lightning arrester of communication base station according to claim 6 is characterized in that decoupling inductor is potted in the air core inductor in the housing or is with the inductance of magnetic core to form by housing (16) and employing insulating material (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206145 CN2481035Y (en) | 2001-05-08 | 2001-05-08 | Multi-stage lightning protector for telecommunication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206145 CN2481035Y (en) | 2001-05-08 | 2001-05-08 | Multi-stage lightning protector for telecommunication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2481035Y true CN2481035Y (en) | 2002-03-06 |
Family
ID=33626828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01206145 Expired - Lifetime CN2481035Y (en) | 2001-05-08 | 2001-05-08 | Multi-stage lightning protector for telecommunication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2481035Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007068185A1 (en) * | 2005-12-12 | 2007-06-21 | Shenzhen Clou Power Technology Co., Ltd | A signal lightning protection circuit |
| CN101752860A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Surge protector of telephone network system |
| CN102916411A (en) * | 2011-07-06 | 2013-02-06 | 立德电子股份有限公司 | Surge current suppression circuit |
-
2001
- 2001-05-08 CN CN 01206145 patent/CN2481035Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007068185A1 (en) * | 2005-12-12 | 2007-06-21 | Shenzhen Clou Power Technology Co., Ltd | A signal lightning protection circuit |
| CN101752860A (en) * | 2009-12-21 | 2010-06-23 | 浙江恒丰光电技术有限公司 | Surge protector of telephone network system |
| CN102916411A (en) * | 2011-07-06 | 2013-02-06 | 立德电子股份有限公司 | Surge current suppression circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WANG DEYAN Free format text: FORMER NAME OR ADDRESS: SICHUAN ZHONGGUANG HIGH TECHNOLOGY INST. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Wang Deyan Patentee before: Sichuan Zhongguang High Technology Inst. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110508 Granted publication date: 20020306 |