CN2572642Y - Microwave arrester - Google Patents
Microwave arrester Download PDFInfo
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- CN2572642Y CN2572642Y CN 02259922 CN02259922U CN2572642Y CN 2572642 Y CN2572642 Y CN 2572642Y CN 02259922 CN02259922 CN 02259922 CN 02259922 U CN02259922 U CN 02259922U CN 2572642 Y CN2572642 Y CN 2572642Y
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- Prior art keywords
- strip line
- shunt capacitance
- lightning
- inductance
- microwave
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- 230000004224 protection Effects 0.000 claims description 36
- 238000001914 filtration Methods 0.000 claims description 13
- 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 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 abstract 8
- 230000002265 prevention Effects 0.000 abstract 3
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model relates to a microwave arrester which comprises a casing, a cover plate and coaxial fittings, wherein the casing and the cover plate are grounding plates. A stripline high pass filter circuit and a lightning prevention circuit are arranged in the casing. The stripline high pass filter circuit comprises striplines 3, 4, a capacitor 5, inductors 6, 7 and bypass capacitors 8, 9, wherein the stripline 3 is connected with the coaxial fitting 1, the stripline 4 is connected with the coaxial fitting 2, the capacitor 5 is connected between the stripline 3 and the stripline 4, one end of each of the inductors 6, 7 is respectively connected with the striplines 3, 4, the other end is respectively connected with the bypass capacitors 8, 9 and the other electrode of each of the bypass capacitors 8, 9 is grounded. The lightning prevention circuit comprises a gas discharge pipe 10, an inductor 11, a current limiting resistor 13 and a TVS pipe 14, wherein the gas discharge pipe 10 is connected between the bypass capacitor 8 and the grounding plate, the inductor 11 is connected between the bypass capacitor 8 and the current limiting resistor 13, the other end of the current limiting resistor 13 is connected with the bypass capacitor 9 and the TVS pipe 14 and the other end of the TVS pipe 14 is grounded. The utility model has the advantages of wide work band width and good lightning prevention effect.
Description
Technical field
The utility model relates to the microwave anti-lightning device that is used for microwave system.
Background technology
Microwave anti-lightning device is the overvoltage crowbar that is used for microwave system such as communication system, can make in the system valuable equipment to voltage-sensitive, exempts from the infringement of thunderbolt or surge as low noise amplifier, frequency mixer and receiver etc.The microwave antenna-feedback system is outdoor geographical position higher position because of need of work is installed in more, be easy to be struck by lightning or the induction lightening surge voltage, as long as these transient overvoltages, overcurrent enter microwave system, receiving equipment can be burnt immediately, causes equipment even personal casualty loss.Along with the modern communication career development; people more and more pay attention to the protection of communication equipment; International Telecommunications Union and China have formulated corresponding standard successively; require telecommunication apparatus must design the measure that anti-lightning strike, surge, power induction and power line touch, have only and passed through relevant criterion and could use by network access.Present many microwave systems have been installed microwave anti-lightning device, but, existing microwave anti-lightning device mostly is narrowband device, as 850～960MHz frequency range lightning protection device, 1.7～1.9GHz frequency range lightning protection device and 1.9～2.2GHz frequency range lightning protection device etc. bring inconvenience for manufacturing, installation, use and maintenance.
Summary of the invention
The purpose of this utility model is the arrowband problem at existing microwave anti-lightning device existence, and a kind of microwave anti-lightning device of broadband is provided.
The purpose of this utility model is achieved in that the utility model comprises shell, cover plate and be contained in coaxial fitting 1 and 2 on the shell, shell and cover plate are two ground plates, be provided with strip line high-pass filtering circuit and lightning protection circuit in the enclosure, described strip line high-pass filtering circuit comprises strip line 3 and 4, electric capacity 5, inductance 6 and 7, shunt capacitance 8 and 9, strip line 3 links to each other with the coaxial fitting of holding as thunderbolt 1, strip line 4 links to each other with the coaxial fitting of holding as protection 2, electric capacity 5 is connected between strip line 3 and 4, inductance 6 is connected with 4 with strip line 3 respectively with an end of 7, the other end links to each other with 9 with shunt capacitance 8 respectively, shunt capacitance 8 and another utmost point ground connection of 9; Described lightning protection circuit comprises gas discharge tube 10, inductance 11, current-limiting resistance 13 and TVS pipe 14, gas discharge tube 10 1 ends link to each other with shunt capacitance 8, other end ground connection, inductance 11 is connected between shunt capacitance 8 and the current-limiting resistance 13, the other end of current-limiting resistance 13 is connected the other end ground connection of TVS pipe 14 with shunt capacitance 9 with TVS pipe 14.
As further improvement, described lightning protection circuit also comprises piezo-resistance 12, and an end of piezo-resistance 12 is connected other end ground connection with inductance 11 with current-limiting resistance 13.Lightning protection circuit of the present utility model like this is three grades of lightning protection circuits, and lightning protection effect is better.
As further improvement, in described shell, be provided with dividing plate, strip line high-pass filtering circuit and lightning protection circuit to be separated in two chambeies up and down, shunt capacitance 8 and 9 is installed on the dividing plate, is convenient to like this install and debug circuit.
Technique effect of the present utility model is: 1. the utility model utilizes strip line semilumped parameter element circuitry to constitute the wide-band microwave lightning protection component, circuit is minimum to the microwave transmission influence, working band of the present utility model has covered present most communication frequency band, can be used as a general-purpose device and use, solved the narrow problem of existing lightning protection device frequency band; 2. constitute secondary or three grades of lightning protection circuits with different components, reach good lightning protection effect; 3. circuit has the DC feedback function.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the circuit theory diagrams of embodiment one.
Fig. 3 is the microwave operating circuit schematic diagram that Fig. 2 simplifies.
Fig. 4 is the lightning protection circuit schematic diagram that Fig. 2 simplifies.
Fig. 5 is the direct current tie line schematic diagram that Fig. 2 simplifies.
Fig. 6 is the structural representation of embodiment two.
Fig. 7 is the structural representation of embodiment three.
Embodiment
As shown in Figure 1; the microwave anti-lightning device of embodiment one comprises shell 16 and cover plate 17; shell 16 and cover plate 17 are two ground plates; two coaxial fittings 1 and 2 are housed on shell 16; coaxial fitting 1 is provided with strip line high-pass filtering circuit and lightning protection circuit for thunderbolt end, coaxial fitting 2 for the protection end in shell 16; in shell 16, also be provided with dividing plate 15, strip line high-pass filtering circuit and lightning protection circuit are separated in two chambeies up and down.
As depicted in figs. 1 and 2, the strip line high-pass filtering circuit of embodiment one comprises strip line 3 and 4, electric capacity 5, inductance 6 and 7, shunt capacitance 8 and 9, strip line 3 links to each other with coaxial fitting 1, strip line 4 links to each other with coaxial fitting 2, electric capacity 5 is welded between strip line 3 and 4, and inductance 6 is connected with 4 with strip line 3 respectively with an end of 7, and the other end links to each other with 9 with shunt capacitance 8 respectively, shunt capacitance 8 and 9 is installed on the dividing plate 15, by dividing plate 15 ground connection; Described lightning protection circuit comprises gas discharge tube 10, inductance 11, piezo-resistance 12, current-limiting resistance 13 and TVS pipe 14, gas discharge tube 10 1 ends link to each other with shunt capacitance 8, other end ground connection, inductance 11 is connected between shunt capacitance 8 and the current-limiting resistance 13, one end of current-limiting resistance 13 is connected with piezo-resistance 12 with inductance 11, the other end and shunt capacitance 9 are connected with TVS pipe 14, and TVS manages 14 other end ground connection, another termination enclosure 16 of piezo-resistance 12 and ground connection.
In conjunction with Fig. 1 to Fig. 5, illustrate that the course of work of embodiment one is as follows.Because the frequency of direct current, thunder and lightning and microwave is different, each element is also different in the impedance that each frequency presents in the circuit, according to they relative size in above-mentioned three frequency impedance, does reasonable simplification, draws corresponding equivalent electric circuit, with this circuit working process is described.
Referring to figs. 2 and 3, the microwave operating circuit is the strip line high-pass filtering circuit, lightning protection device is connected in the microwave system, requires its influence to microwave transmission as far as possible little.Microwave signal is through coaxial fitting 1 input, through coaxial fitting 2 outputs, electric capacity 5, inductance 6 and 7 constitute the strip line high pass filter, high pass filter places stopband with the thunder and lightning frequency spectrum, present high decay, and microwave signal is presented extremely low decay, guarantee that the signal transmission is unaffected, shunt capacitance 8 and 9 pairs of microwave short circuits make inductance 6 and 7 effective groundings.
With reference to figure 2 and Fig. 4; the thunder and lightning path is: the thunderbolt high voltage enters circuit through coaxial fitting 1; because of its frequency spectrum in the high pass filter stopband; filter reflects away the short circuit of thunder and lightning energy, and 6 pairs of thunder and lightning short circuits of inductance make it directly arrive gas discharge tube 10 through electric capacity 8; gas discharge tube 10 discharges under the effect of thunder and lightning high pressure; the thunder and lightning energy is released through the thunder and lightning ground wire, the thunder and lightning energy of small leakage again through after level piezo-resistance 12 and TVS pipe 14 switch to ground, constitute three grades of lightning protections.
Referring to figs. 2 and 5, present embodiment also has the DC feedback function, and direct current tie line is: direct current is presented through piezo-resistance 12, current-limiting resistance 13 and TVS pipe 14.The operating voltage of piezo-resistance 12 and TVS pipe 14 all is higher than DC feedback voltage.If there is abnormal voltage to comprise that lightning induced surge occurs, they can present Low ESR, and abnormal voltage is introduced ground, prevent to smash equipment.
As shown in Figure 6, embodiment two also comprises shell 162, cover plate 172, dividing plate 152, in shell 162, be provided with strip line high-pass filtering circuit and lightning protection circuit, different with embodiment one is that embodiment two has removed the piezo-resistance 12 among the embodiment one in lightning protection circuit, changing three grades of lightning protection is the two-stage lightning protection, is used for the different occasions that require.
As shown in Figure 7; embodiment three comprises shell 163 and cover plate 173; shell 163 and cover plate 173 are two ground plates; two coaxial fittings 18 and 23 are housed on shell 163; coaxial fitting 18 is the thunderbolt end; coaxial fitting 23 is the protection end; in shell 163, be provided with strip line high-pass filtering circuit and lightning protection circuit; the strip line high-pass filtering circuit comprises strip line 33 and 43; electric capacity 53; inductance 63 and 73; shunt capacitance 83 and 93; strip line 33 links to each other with coaxial fitting 18; strip line 43 links to each other with coaxial fitting 23; electric capacity 53 is welded between strip line 33 and 43; inductance 63 is connected with 43 with strip line 33 respectively with an end of 73; the other end links to each other with 93 with shunt capacitance 83 respectively; shunt capacitance 83 and 93 is installed on the shell 163; their another utmost point passes through shell 163 and ground connection; lightning protection circuit comprises gas discharge tube 103; inductance 113; piezo-resistance 123; current-limiting resistance 133 and TVS pipe 143; gas discharge tube 103 1 ends link to each other with shunt capacitance 83; another termination enclosure 163 and ground connection; inductance 113 is connected between shunt capacitance 83 and the current-limiting resistance 133; one end of current-limiting resistance 133 is connected with piezo-resistance 123 with inductance 113; the other end is connected with TVS pipe 143 with shunt capacitance 93; another termination enclosure 163 of TVS pipe 143 and ground connection, another termination enclosure 163 of piezo-resistance 123 and ground connection.
From the above; the circuit of embodiment three is identical with embodiment one; different is the dividing plate of structurally having removed among the embodiment one 15, with changing into of ground connection connects shell by connecing dividing plate in the circuit, and has calculated the circuit inner cavity size; the cavity self-resonant frequency is moved to outside the band; can simplify circuit structure like this, and in shell, be provided with dividing plate, be convenient to install and debug circuit; so each tool advantage is all within protection range of the present utility model.
Claims (3)
1. microwave anti-lightning device, comprise shell, cover plate and be contained in coaxial fitting 1 and 2 on the shell, shell and cover plate are two ground plates, it is characterized in that: be provided with strip line high-pass filtering circuit and lightning protection circuit in the enclosure, described strip line high-pass filtering circuit comprises strip line 3 and 4, electric capacity 5, inductance 6 and 7, shunt capacitance 8 and 9, strip line 3 links to each other with the coaxial fitting of holding as thunderbolt 1, strip line 4 links to each other with the coaxial fitting of holding as protection 2, electric capacity 5 is connected between strip line 3 and 4, inductance 6 is connected with 4 with strip line 3 respectively with an end of 7, the other end links to each other with 9 with shunt capacitance 8 respectively, shunt capacitance 8 and another utmost point ground connection of 9; Described lightning protection circuit comprises gas discharge tube 10, inductance 11, current-limiting resistance 13 and TVS pipe 14, gas discharge tube 10 1 ends link to each other with shunt capacitance 8, other end ground connection, inductance 11 is connected between shunt capacitance 8 and the current-limiting resistance 13, the other end of current-limiting resistance 13 is connected the other end ground connection of TVS pipe 14 with shunt capacitance 9 with TVS pipe 14.
2. microwave anti-lightning device according to claim 1 is characterized in that: described lightning protection circuit also comprises piezo-resistance 12, and an end of piezo-resistance 12 is connected other end ground connection with inductance 11 with current-limiting resistance 13.
3. microwave anti-lightning device according to claim 1 and 2 is characterized in that: be provided with dividing plate in described shell, strip line high-pass filtering circuit and lightning protection circuit are separated in two chambeies up and down, shunt capacitance 8 and 9 is installed on the dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259922 CN2572642Y (en) | 2002-09-25 | 2002-09-25 | Microwave arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259922 CN2572642Y (en) | 2002-09-25 | 2002-09-25 | Microwave arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572642Y true CN2572642Y (en) | 2003-09-10 |
Family
ID=33727114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259922 Expired - Fee Related CN2572642Y (en) | 2002-09-25 | 2002-09-25 | Microwave arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572642Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895018A (en) * | 2009-05-04 | 2010-11-24 | 河北威奥电子科技有限公司 | Lightning-proof GNSS active antenna |
| CN111404610A (en) * | 2020-03-24 | 2020-07-10 | 中航光电科技股份有限公司 | Remote system of satellite navigation signal |
| CN111431160A (en) * | 2020-06-09 | 2020-07-17 | 常州安费诺福洋通信设备有限公司 | DC blocker |
-
2002
- 2002-09-25 CN CN 02259922 patent/CN2572642Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895018A (en) * | 2009-05-04 | 2010-11-24 | 河北威奥电子科技有限公司 | Lightning-proof GNSS active antenna |
| CN111404610A (en) * | 2020-03-24 | 2020-07-10 | 中航光电科技股份有限公司 | Remote system of satellite navigation signal |
| CN111431160A (en) * | 2020-06-09 | 2020-07-17 | 常州安费诺福洋通信设备有限公司 | DC blocker |
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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: SHENZHEN HAIPENGXIN ELECTRONIC CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHENZHEN MICROHPX ELECTRONICS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Guangdong city in Shenzhen Province, Nanshan District Nanshan Road South Industrial Park C building 3 floor, zip code: 518052 Patentee after: Shenzhen HAIPENGXIN Electronics Co., Ltd. Address before: Guangdong city of Shenzhen province Nanshan District Nanyou fourth industrial zone three floor west, zip code: 518052 Patentee before: Maikehaipengxin Electronic Co., Ltd., Shenzhen City |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518057, Guangdong, Nanshan District hi tech, a 2 long garden company, 7, 5, Shenzhen Patentee after: Shenzhen HAIPENGXIN Electronics Co., Ltd. Address before: 518052 Guangdong city of Shenzhen province Nanshan District Nanshan Road South Industrial Park C building 3 floor Patentee before: Shenzhen HAIPENGXIN Electronics Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030910 Termination date: 20100925 |