CN203310924U - Rechargeable portable signal amplifying device - Google Patents
Rechargeable portable signal amplifying device Download PDFInfo
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- CN203310924U CN203310924U CN2012205788794U CN201220578879U CN203310924U CN 203310924 U CN203310924 U CN 203310924U CN 2012205788794 U CN2012205788794 U CN 2012205788794U CN 201220578879 U CN201220578879 U CN 201220578879U CN 203310924 U CN203310924 U CN 203310924U
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Abstract
The utility model relates to the technical field of electronic testing and electromagnetic leakage troubleshooting, and discloses a rechargeable portable signal amplifying device. The rechargeable portable signal amplifying device is characterized in that a metal housing is divided into two portions including a signal amplifying circuit shielding cavity and a power shielding cavity through an internal metal partition board, a signal amplifying circuit is fixed in the signal amplifying circuit shielding cavity through screws, a power switching circuit, an electric quantity display circuit and a battery are fixedly arranged in the power shielding cavity; two radio-frequency connectors are arranged outside the signal amplifying circuit shielding cavity and in conduction with input and output ends of the signal amplifying circuit through connector through holes respectively; the battery is in conduction with the power switching circuit and the electric quantity display circuit respectively, the power switching circuit passes through the metal partition board and being in conduction with the signal amplifying circuit, the electric quantity display circuit is in conduction with a battery charging port which is arranged outside the power shielding cavity; and a metal shielding cover plate is used to cover the metal housing and fixed through screws.
Description
Technical field
The utility model relates to Electronic Testing and electromagnetic leakage malfunction elimination technical field, is a kind of portable signal multiplying arrangement of chargeable use.
Background technology
In recent years, in the electromagnetic compatibility field, anti-electromagnetic interference performance for product requires more and more higher, because the electromagnetic interference (EMI) emissions frequency range of each electronic product is more and more wider, and low-frequency range is particularly intensive, add that device structure is comparatively complicated, make many circuit boards and structure position on electronic equipment easily cause electric field to leak, common radiation emission test antenna and fault diagnosis orientation tool can test equipment stronger to outside radiation size, but can not test out faint leakage rate, thereby impact is accurately located the leak position of faint leakage rate, this is undoubtedly to the version complexity, the On Fault Diagnosis of Analog Circuits investigation work of interference band wide ranges has caused a difficult problem.Therefore, in the urgent need to a kind of can by small signals amplification and small volume, chargeable, be convenient to the portable signal amplifier used under each environment, it is combined with the near field detecting devices, and accurately locate the leak position of the faint leakage rate that can go out equipment leakage.
The utility model content
The purpose of this utility model is to provide a kind of portable signal multiplying arrangement of chargeable use, small signals amplification can be tested, and has simultaneously little, the chargeable advantage of volume.
The technical solution of the utility model is a kind of portable signal multiplying arrangement of chargeable use, its outside is the rectangular parallelepiped cavity consisted of metal shell and metallic shield cover plate, inner signalization amplifying circuit, power-switching circuit and electric quantity display circuit, and with the battery conducting, it is characterized in that: metal shell is divided into signal amplification circuit shielding cavity and power supply shielding cavity two parts by the interior metal dividing plate, signal amplification circuit is fixed by screws in the signal amplification circuit shielding cavity, power-switching circuit, electric quantity display circuit and battery are fixedly installed in the power supply shielding cavity, two radio frequency connector signalization amplifying circuit shielding cavities outside, by the connector via hole respectively with input, the output terminal conducting of signal amplification circuit, the conducting respectively of battery and power-switching circuit and electric quantity display circuit, power-switching circuit passes metal partion (metp) and signal amplification circuit conducting, the battery recharger port conducting of electric quantity display circuit and power supply shielding cavity arranged outside, the metallic shield cover plate covers above metal shell, fixes by screw.
Described signal amplification circuit is to consist of siliceous bipolarity series connection amplification chip and inductance, Capacitance parallel connection welding.
Described power-switching circuit is the DC/DC change-over circuit consisted of voltage stabilizing chip and electric capacity conducting, its input end and battery conducting, and output terminal and signal amplification circuit conducting, and be provided with switch and power light.
There is via hole at described metal partion (metp) middle part, and the via hole place is provided with feed-through filter, and power-switching circuit is by feed-through filter and signal amplification circuit conducting.
Described feed-through filter is the chamber isolated feedthrough capacitor to power filter.
Described electric quantity display circuit is to consist of triode, operational amplifier, light emitting diode and resistance conducting, and electric quantity display circuit is the conducting of electric weight display button also.
Described battery is the direct current rechargeable cell.
The type of described radio frequency connector is N-type, BNC type, SMA type or TNC type.
Described metallic shield lid surface is provided with switch via hole, power light via hole, battery capacity indication lamp via hole and installation screw, corresponding with the screwhole position of switch, power light, electric weight display button and metal shell respectively.
The test frequency range of the portable signal amplifier of this chargeable use is 9KHz to 4GHz.
Characteristics of the present utility model are that the portable signal amplifier of this chargeable use can amplify common RF signal gain, it is combined with the near field detecting devices, accurately locate the leak position of the faint leakage rate that can go out equipment leakage, have simultaneously that use occasion is wide, gain amplifier is high, chargeable use, volume are little, the Observable dump energy, have improved greatly work efficiency.
The accompanying drawing explanation
Below in conjunction with embodiment, the utility model is further described:
Fig. 1 is the partition structural representation of the portable signal amplifier of chargeable use;
Fig. 2 is the unitized construction schematic diagram of the portable signal amplifier of chargeable use.
In figure: 1, signal amplification circuit; 2, signal amplification circuit shielding cavity; 3, power-switching circuit; 4, feed-through filter; 5, electric quantity display circuit; 6, electric weight display button; 7, battery; 8, power source charges interface; 9, power supply shielding cavity; 10, metal partion (metp); 11, connector via hole; 12, radio frequency connector; 13, switch; 14, power light; 15, switch via hole; 16, power light via hole; 17, battery capacity indication lamp via hole; 18, metallic shield cover plate; 19, installation screw; 20, metal shell.
Embodiment
As depicted in figs. 1 and 2, a kind of portable signal multiplying arrangement of chargeable use is jointly to consist of external shell material and internal circuit.
The hollow cavity that its outside is comprised of metal shell 20 and metallic shield cover plate 18, signal amplification circuit 1, power-switching circuit 3, electric quantity display circuit 5 and battery 7 are arranged in cavity.
Battery 7, as the power supply of the portable signal amplifier of whole chargeable use, adopts the chargeable dry cell of direct current.
Metal partion (metp) 10 is divided into two cavitys by metal shell 20, is respectively signal amplification circuit shielding cavity 2 and power supply shielding cavity 9.
Two radio frequency connector 12 signalization amplifying circuit shielding cavity 2 outsides, by connector via hole 11 respectively with input, the output terminal conducting of signal amplification circuit 1.
Power-switching circuit 3, electric quantity display circuit 5 and battery 7 are arranged in power supply shielding cavity 9, battery 7 is respectively power-switching circuit 3 and electric quantity display circuit 5 power supplies, power-switching circuit 3 passes metal partion (metp) 10, and by feed-through filter 4 and signal amplification circuit 1 conducting.
Power-switching circuit 3 is the DC/DC change-over circuits that consist of voltage stabilizing chip and electric capacity conducting, and it also is provided with switch 13 and power light 14.
Electric quantity display circuit 5 is to consist of triode, operational amplifier, light emitting diode and resistance conducting, electric quantity display circuit 5 is by the battery recharger port of power supply shielding cavity 9 arranged outside 8 and battery 7 conductings, and electric quantity display circuit 5 is gone back 6 conductings of electric weight display button simultaneously.
Metallic shield cover plate 18 surfaces are provided with switch via hole 15, power light via hole 16, battery capacity indication lamp via hole 17 and installation screw 19, corresponding with the screwhole position of switch 13, power light 14, electric weight display button 6 and metal shell 20 respectively.
Switch 13 is controlled the power supply of 7 pairs of whole amplifiers of battery, and by power light 14, is shown the electric weight of battery 7 under electric weight display button 6 display working conditions or charged state.
Metallic shield cover plate 18 covers on metal shell 20, and installation screw 19 correspondences, is screwed into complete integral body.
A kind of use occasion of portable signal multiplying arrangement of chargeable use is wide, gain amplifier is high, chargeable use, volume are little, the Observable dump energy, has improved greatly work efficiency, and its test frequency range is 9KHz to 4GHz.
The parts that the present embodiment does not describe in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not narration one by one.
Claims (10)
1. the portable signal multiplying arrangement of a chargeable use, its outside is the rectangular parallelepiped cavity consisted of metal shell (20) and metallic shield cover plate (18), inner signalization amplifying circuit (1), power-switching circuit (3) and electric quantity display circuit (5), and with battery (7) conducting, it is characterized in that: metal shell (20) is divided into signal amplification circuit shielding cavity (2) and power supply shielding cavity (9) two parts by interior metal dividing plate (10), signal amplification circuit (1) is fixed by screws in signal amplification circuit shielding cavity (2), power-switching circuit (3), electric quantity display circuit (5) and battery (7) are fixedly installed in power supply shielding cavity (9), two radio frequency connectors (12) signalization amplifying circuit shielding cavities (2) outsides, by connector via hole (11) respectively with input, the output terminal conducting of signal amplification circuit (1), battery (7) and power-switching circuit (3) and electric quantity display circuit (5) conducting respectively, power-switching circuit (3) passes metal partion (metp) (10) and signal amplification circuit (1) conducting, battery recharger port (8) conducting of electric quantity display circuit (5) and power supply shielding cavity (9) arranged outside, metallic shield cover plate (18) covers in metal shell (20) top, fixes by screw.
2. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: described signal amplification circuit (1) is to consist of siliceous bipolarity series connection amplification chip and inductance, Capacitance parallel connection welding.
3. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: described power-switching circuit (3) is the DC/DC change-over circuit consisted of voltage stabilizing chip and electric capacity conducting, its input end and battery (7) conducting, output terminal and signal amplification circuit (1) conducting, and be provided with switch (13) and power light (14).
4. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: there is via hole at described metal partion (metp) (10) middle part, the via hole place is provided with feed-through filter (4), and power-switching circuit (3) is by feed-through filter (4) and signal amplification circuit (1) conducting.
5. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 4, it is characterized in that: described feed-through filter (4) is the chamber isolated feedthrough capacitor to power filter.
6. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: described electric quantity display circuit (5) is to consist of triode, operational amplifier, light emitting diode and resistance conducting, and electric quantity display circuit (5) is gone back electric weight display button (6) conducting.
7. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: described battery (7) is the direct current rechargeable cell.
8. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: the type of described radio frequency connector (12) is N-type, BNC type, SMA type or TNC type.
9. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: described metallic shield cover plate (18) surface is provided with switch via hole (15), power light via hole (16), battery capacity indication lamp via hole (17) and installation screw (19), corresponding with the screwhole position of switch (13), power light (14), electric weight display button (6) and metal shell (20) respectively.
10. according to the portable signal multiplying arrangement of a kind of chargeable use described in claim 1, it is characterized in that: the test frequency range of the portable signal amplifier of this chargeable use is 9KHz to 4GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205788794U CN203310924U (en) | 2012-11-06 | 2012-11-06 | Rechargeable portable signal amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205788794U CN203310924U (en) | 2012-11-06 | 2012-11-06 | Rechargeable portable signal amplifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310924U true CN203310924U (en) | 2013-11-27 |
Family
ID=49617125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205788794U Expired - Lifetime CN203310924U (en) | 2012-11-06 | 2012-11-06 | Rechargeable portable signal amplifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310924U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944755A (en) * | 2012-11-06 | 2013-02-27 | 西安开容电子技术有限责任公司 | Rechargeable and portable signal amplifier |
| CN105044474A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | EMC test system |
| CN105450283A (en) * | 2015-12-05 | 2016-03-30 | 国网浙江省电力公司丽水供电公司 | GPRS (General Packet Radio Service) signal amplifier |
| CN107863656A (en) * | 2017-10-17 | 2018-03-30 | 江苏永沃铜业有限公司 | A kind of New-type radio-frequency connector |
| CN109121377A (en) * | 2018-10-10 | 2019-01-01 | 中国工程物理研究院电子工程研究所 | Electronic equipment |
-
2012
- 2012-11-06 CN CN2012205788794U patent/CN203310924U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944755A (en) * | 2012-11-06 | 2013-02-27 | 西安开容电子技术有限责任公司 | Rechargeable and portable signal amplifier |
| CN102944755B (en) * | 2012-11-06 | 2018-08-17 | 西安开容电子技术有限责任公司 | A kind of chargeable portable signal amplifier used |
| CN105044474A (en) * | 2015-07-31 | 2015-11-11 | 苏州玄禾物联网科技有限公司 | EMC test system |
| CN105450283A (en) * | 2015-12-05 | 2016-03-30 | 国网浙江省电力公司丽水供电公司 | GPRS (General Packet Radio Service) signal amplifier |
| CN107863656A (en) * | 2017-10-17 | 2018-03-30 | 江苏永沃铜业有限公司 | A kind of New-type radio-frequency connector |
| CN109121377A (en) * | 2018-10-10 | 2019-01-01 | 中国工程物理研究院电子工程研究所 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220627 Address after: 215128 room 103, building 13, Northwest District, Suzhou nano City, No. 99, Jinjihu Avenue, Suzhou Industrial Park, Suzhou area, Suzhou pilot Free Trade Zone, Jiangsu Province Patentee after: Boke electric measurement (Suzhou) Technology Co.,Ltd. Address before: Room 2-10502, east area, modern enterprise center, No. 69, Jinye Road, high tech Zone, Xi'an, Shaanxi 710075 Patentee before: Xi'an Kairong Electronic Technologies Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |