CN201562964U - Lightning protection feed between tower amplifier and base - Google Patents
Lightning protection feed between tower amplifier and base Download PDFInfo
- Publication number
- CN201562964U CN201562964U CN2009202731415U CN200920273141U CN201562964U CN 201562964 U CN201562964 U CN 201562964U CN 2009202731415 U CN2009202731415 U CN 2009202731415U CN 200920273141 U CN200920273141 U CN 200920273141U CN 201562964 U CN201562964 U CN 201562964U
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- China
- Prior art keywords
- lightning protection
- port
- tower amplifier
- base
- frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a lightning protection feed between tower amplifier and base; a lightning protection port, a RF port, and a DC input port are respectively arranged on the lightning protection feed of a base; the lightning protection port is connected with the RF receiving and transmitting device of the base to prevent the RF receiving and transmitting device of the base from being damaged by over-induction current and over-induction voltage; the RF port is connected between the base and the tower amplifier, and used for transmitting the RF signals of the base and the tower amplifier; the DC port is connected with the tower amplifier, and used for transmitting the DC power of the tower amplifier; the lightning protection port and the RF port adopt low and high pass filter circuits; a RF communication signal is a high frequency signal which can only pass a high pass filter channel at the RF port; and the low frequency signal of lightning strokes can only be discharged to the ground through a branch lightning circuit at the lightning protection port. The lightning protection feed between tower amplifier and base adopts low and high pass filter, broad frequency, small voltage standing wave ratio loss, and high insulation, which can not cause signal perturbation; moreover, the lightning protection feed between tower amplifier and base is provided with an indicator lamp circuit which can judge the situation of DC power supply.
Description
Technical field
The utility model relates to a kind of protective device of electric equipment, refers in particular to the lightning protection loop of radiofrequency signal and direct current transmission between a kind of tower amplifier that is used for the mobile communication base station lightning protection and the base station, is mainly used in the base station lightning protection of various mobile communication.
Background technology
Be accompanied by the exhibition of not secondary and innovation in communication products field, mobile communication has spread all over all over the world, and the transmission of these mobile communication signals all is to transmit by the base station that is located at various places.For guaranteeing the efficient and the quality of mobile communication transmission, general all is the top that mobile communication base station is installed in mountain top or high-rise, so the target that has also just become the thunder and lightning disaster at first to attack, and is easy to be subjected to the destruction of induction lightening.The thunder and lightning disaster is a big difficult point problem to the infringement of communication equipment and the interference of communication network always, cause the damage of communication equipment and the interruption of signal, the influence that brings to the human lives in the informationalized epoch also more and more comes heavy, cause very big economic loss, also caused influence also for telex network.Only being example with the Jiangmen District of Guangdong Province, during 2002 to 2005, move in Jiangmen on average more than 100 base station (inferior) the back device damage of being struck by lightning every year, is 5.5 ten thousand yuan of calculating by average Dan Zhanci economic loss, nearly 2,000 ten thousand yuan of the direct economic loss that causes because of thunderbolt.
Country has formulated " mobile communication base station lightning protection and ground connection design specification " for this reason, and concrete requirement has been done in the lightning protection of base station, but there is function singleness in existing lightning-protected product, generally takes the multiple signals transmission manner to seem for present base station and is far from suitable; Especially radiofrequency signal and direct current are separated transmission, cause that volume is big, cost is high, factors such as inconvenience are installed.In addition, because the lightning protection device of prior art adopts cavity capacitor filtering structure to realize usually, cause small product size big, the raw material loss is many.And cavity electric capacity is to the required precision height of dielectric substrate material and machining, and characteristics such as processed complex, production cycle length, cost height are unfavorable for producing in batches and cost control.Therefore market extremely needs a kind of protection meticulousr, volume is small and exquisite, cost more low energy be adapted to suitability for industrialized production, and can realize the novel lightning-protected product of multiple signals in one.
The utility model content
The technical problem of the desired solution of the utility model is at the inapplicable deficiency of present base station lightning protection facility, and a kind of be used for radiofrequency signal and direct current transmission lightning protection loop between tower amplifier and the base station are provided; This lightning protection loop has radiofrequency signal and DC feedback in the function of one, can realize the base station lightning protection of the integrated transmission of multiple signals, and volume is littler, is convenient to install.
The technical problem that the utility model solved realizes by the following technical solutions:
A kind ofly be used for radiofrequency signal and direct current transmission lightning protection loop between tower amplifier and the base station, lightning protection port, prevention at radio-frequency port, direct-flow input end mouth are set respectively on the base station lightning protection loop; Wherein, the lightning protection port is connected with the base station radio-frequency transceiver, and protection base station radio-frequency receiving-transmitting equipment is not responded to overcurrent, superpotential damage; Prevention at radio-frequency port is connected between base station and the tower amplifier, is used for the transmission of the radiofrequency signal of base station and tower amplifier; DC port is connected with tower amplifier, is used for the transmitting DC of tower amplifier; And lightning protection port and prevention at radio-frequency port adopt high low-pass filter circuit, rf communication signal be high frequency ac signal it can only cross the high-pass filtering passage at prevention at radio-frequency port place; Lightning wave is a low frequency signal, and it can only be through the thunder and lightning branch road of the lightning protection port ground of releasing.In addition, on the base station lightning protection loop, also be provided with the relay indicating light circuit, be used to show the operating state of DC circuit.
Described high low-pass filter circuit is to adopt high-frequency isolation electric capacity and inductance to form, and its main DC-isolation element is a high frequency capacitance, and main arresting element is a gas discharge tube.Lightning protection circuit, DC circuit, radio circuit, working indicating are integrated on the wiring board jointly, and the relay indicating light circuit is a circuit of DC circuit.Discharge tube GDT is connected in parallel between inductance element 5 and the housing, when being subjected in the circuit responding to overcurrent or overvoltage attack, gas discharge tube 5 meeting conductings in the extremely short time, to respond to overcurrent or overvoltage is released into ground, and the residual voltage of lightning protection loop will be controlled in the tolerance range of radio-frequency receiving-transmitting equipment.Simultaneously be in series with capacitor C between prevention at radio-frequency port 3 and lightning protection port 4, it can cut off the induction lightening stream of low frequency fully, thus the safety of more effective assurance radio-frequency receiving-transmitting equipment.
Described relay indicating light circuit is on the heart yearn of DC circuit and a resistance, the other end serial connection light-emitting diode of resistance, diode of other end serial connection of light-emitting diode, diode other end ground connection.DC port is the 2P binding post of a special use, and its port is arranged at surface of shell.
The utility model adopts small and exquisite, the stable performance, with low cost of ceramic substrate electric capacity volume, is fit to the low cost and the batch production requirements of present product fully.The beneficial effects of the utility model are:
1, the utility model adopts high low-pass filtering principle design, and frequency is wide, voltage standing wave ratio and the insertion loss is little, isolation Gao Buhui causes signal disturbs phenomenon mutually.
2, the utility model has been realized radiofrequency signal and the transmission of direct current signal one, and the DC operation indicator light is arranged, and can get information about very much galvanic operating state.
3, small and exquisite, the stable performance, easy for installation of the utility model volume adapts to the industrialization volume production fully.
Description of drawings
Fig. 1 is a partition perspective view of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is lightning protection circuit figure of the present utility model;
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Fig. 1-3 has provided an embodiment of the present utility model, from accompanying drawing as can be seen, the utility model is provided with lightning protection port, prevention at radio-frequency port, direct-flow input end mouth respectively for relating to a kind of be used for radiofrequency signal and direct current transmission lightning protection loop between tower amplifier and the base station on the base station lightning protection loop; Wherein, the lightning protection port is connected with the base station radio-frequency transceiver, and protection base station radio-frequency receiving-transmitting equipment is not responded to overcurrent, superpotential damage; Prevention at radio-frequency port is connected between base station and the tower amplifier, is used for the transmission of the radiofrequency signal of base station and tower amplifier; DC port is connected with tower amplifier, is used for the transmitting DC of tower amplifier; And lightning protection port and prevention at radio-frequency port adopt high low-pass filter circuit, rf communication signal be high frequency ac signal it can only cross the high-pass filtering passage at prevention at radio-frequency port place; Lightning wave is a low frequency signal, and it can only be through the thunder and lightning branch road of the lightning protection port ground of releasing.In addition, on the base station lightning protection loop, also be provided with the relay indicating light circuit, be used to show the operating state of DC circuit.
Described high low-pass filter circuit is to adopt high-frequency isolation electric capacity and inductance to form, and its main DC-isolation element is a high frequency capacitance; Main arresting element is a gas discharge tube; Lightning protection circuit, DC circuit, radio circuit, working indicating are integrated on the wiring board jointly, and the relay indicating light circuit is a circuit of DC circuit.
Described relay indicating light circuit is on the heart yearn of DC circuit and a resistance, the other end serial connection light-emitting diode of resistance, diode of other end serial connection of light-emitting diode, diode other end ground connection.DC port is the 2P binding post of a special use, and its port is arranged at surface of shell.
Apparatus structure of the present utility model is as described below:
Fig. 1-2 is the structure and the circuit diagram of the utility model lightning protection loop, comprises housing 1, cover plate 2, prevention at radio-frequency port 3, lightning protection port 4, inductance element 5, direct-flow input end mouth 6, wiring board 7, capacitor C, gas discharge tube GDT, resistance R, diode D1 and D2.Housing 1 constitutes a filtering cavity with cover plate 2, is used to place the above device; Prevention at radio-frequency port 3 and lightning protection port 4 are installed on the both sides of housing 1 respectively; Capacitor C is connected on and forms the High frequency filter passage between prevention at radio-frequency port 3 and the lightning protection port 4, and high frequency ac signal transmits on this passage, and the direct current signal of low frequency is cut off by capacitor C; Inductance element 5 is connected between lightning protection port 4 and the gas discharge tube GDT and forms low-frequency filter circuit, inductance element 5 has constituted a low frequency filtering path, the direct current signal of low frequency transmits on this passage, high frequency ac signal is cut off, be used to transmit the dc signal of low frequency, and induction overcurrent in the circuit or overvoltage can be released into ground through gas discharge tube.Discharge tube GDT is connected in parallel between inductance element 5 and the housing, and it is main lightning protection component.Direct-flow input end mouth 6 is installed on the wiring board 7, is used for galvanic input interface, and the direct-flow input end mouth is the 2P binding post, and its port is arranged at surface of shell.The two ends of DC power supply DC are connected to the two ends of gas discharge tube GDT respectively, simultaneously, are serially connected with a diode D1 between DC power supply DC and gas discharge tube GDT; Other and be connected to galvanic subcircuits at DC power supply DC power supply circuits, resistance R and light-emitting diode D2 are serially connected in the subcircuits, resistance R and diode D1 and light-emitting diode D2 are installed on and constitute galvanic working indicating on the wiring board 7, are used to show galvanic operating state; Diode D2 can be lighted when in the circuit direct current transmission being arranged, and does not work as diode D2 and represents no direct current transmission in the circuit.
Fig. 3 is the utility model lightning protection loop lightning protection schematic diagram, adopt high low-pass filter circuit, described high low-pass filter circuit is to adopt high-frequency isolation electric capacity and inductance to form, its main DC-isolation element is a high frequency capacitance, main arresting element is a gas discharge tube, discharge tube GDT is connected in parallel between inductance element 5 and the housing, when being subjected in the circuit responding to overcurrent or overvoltage attack, gas discharge tube 5 meeting conductings in the extremely short time, to respond to overcurrent or overvoltage is released into ground, and the residual voltage of lightning protection loop will be controlled in the tolerance range of radio-frequency receiving-transmitting equipment.Simultaneously be in series with capacitor C between prevention at radio-frequency port 3 and lightning protection port 4, it can cut off the induction lightening stream of low frequency fully, thus the safety of more effective assurance radio-frequency receiving-transmitting equipment.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the lightning protection loop between tower amplifier and the base station is characterized in that: comprise housing, cover plate, prevention at radio-frequency port, lightning protection port, inductance element, direct-flow input end mouth, wiring board, electric capacity, gas discharge tube, resistance, diode; Housing and cover plate constitute a filtering cavity, are used to place the above device; Prevention at radio-frequency port and lightning protection port are installed on the both sides of housing respectively; Capacitances in series forms the High frequency filter passage between prevention at radio-frequency port and lightning protection port, high frequency ac signal transmits on this passage, and the direct current signal of low frequency is cut off by electric capacity; Inductance element is connected between lightning protection port and the gas discharge tube and forms low-frequency filter circuit, inductance element has constituted a low frequency filtering path, the direct current signal of low frequency transmits on this passage, high frequency ac signal is cut off, be used to transmit the dc signal of low frequency, and induction overcurrent in the circuit or overvoltage can be released into ground through gas discharge tube.
2. the lightning protection loop between tower amplifier as claimed in claim 1 and the base station is characterized in that: described discharge tube is connected in parallel between inductance element and the housing, and it is main lightning protection component; The direct-flow input end mouth is installed on the wiring board, is used for galvanic input interface.
3. the lightning protection loop between tower amplifier as claimed in claim 2 and the base station is characterized in that: the direct-flow input end mouth is the 2P binding post, and its port is arranged at surface of shell.
4. the lightning protection loop between tower amplifier as claimed in claim 1 and the base station is characterized in that: the two ends of described DC power supply are connected to the two ends of gas discharge tube respectively, simultaneously, are serially connected with a diode between DC power supply and gas discharge tube; Other and be connected to galvanic subcircuits at the DC power supply circuit, resistance and light-emitting diode are serially connected in the subcircuits, resistance and diode and light-emitting diode are installed on and constitute galvanic working indicating on the wiring board, are used to show galvanic operating state; Light-emitting diode can be lighted when in the circuit direct current transmission being arranged, and does not work as light-emitting diode and represents no direct current transmission in the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731415U CN201562964U (en) | 2009-11-27 | 2009-11-27 | Lightning protection feed between tower amplifier and base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202731415U CN201562964U (en) | 2009-11-27 | 2009-11-27 | Lightning protection feed between tower amplifier and base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562964U true CN201562964U (en) | 2010-08-25 |
Family
ID=42628113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202731415U Expired - Lifetime CN201562964U (en) | 2009-11-27 | 2009-11-27 | Lightning protection feed between tower amplifier and base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095361A (en) * | 2011-09-21 | 2013-05-08 | 世达普通信设备股份有限公司 | Time division duplex tower mounted amplifier |
| CN105190322A (en) * | 2013-03-08 | 2015-12-23 | 迪尔公司 | Method for sensing current in a conductor |
| EP4096041A3 (en) * | 2013-10-23 | 2023-03-29 | Raycap Intellectual Property, Ltd. | Cable breakout assembly |
-
2009
- 2009-11-27 CN CN2009202731415U patent/CN201562964U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095361A (en) * | 2011-09-21 | 2013-05-08 | 世达普通信设备股份有限公司 | Time division duplex tower mounted amplifier |
| CN103095361B (en) * | 2011-09-21 | 2017-05-03 | 莫仕新加坡有限公司 | Time division duplex tower mounted amplifier for base station receiving and sending table |
| CN105190322A (en) * | 2013-03-08 | 2015-12-23 | 迪尔公司 | Method for sensing current in a conductor |
| CN105190322B (en) * | 2013-03-08 | 2018-04-17 | 迪尔公司 | Method for sensing the electric current in conductor |
| EP4096041A3 (en) * | 2013-10-23 | 2023-03-29 | Raycap Intellectual Property, Ltd. | Cable breakout assembly |
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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: HUNAN ZHONGPU LIGHTNING CO., LTD. Free format text: FORMER NAME: ZHUZHOU PUTIAN ZHONGPU THUNDER PROTECTION TECHNOLOGY CO.,LTD |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Zhongpu Lightning Co., Ltd. Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Zhuzhou Putian Zhongpu Lightning Protection Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Pu Pu technology Limited by Share Ltd Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Hunan Zhongpu Lightning Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |