CN212229153U - Lightning protection type radar signal branching unit - Google Patents
Lightning protection type radar signal branching unit Download PDFInfo
- Publication number
- CN212229153U CN212229153U CN202020450857.4U CN202020450857U CN212229153U CN 212229153 U CN212229153 U CN 212229153U CN 202020450857 U CN202020450857 U CN 202020450857U CN 212229153 U CN212229153 U CN 212229153U
- Authority
- CN
- China
- Prior art keywords
- pin
- lightning protection
- output port
- signal input
- resistor
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Details Of Television Systems (AREA)
Abstract
In order to realize the distribution of multi-path information, the radar station generally adopts a mode of directly welding a lead from a thunder condition recording port or adopting an analog signal shunt, so that a thunder condition leading terminal is easily burnt out when lightning stroke or even an interface is plugged, and even radar equipment is burnt out when thunder is induced. The utility model provides a lightning protection type radar signal branching unit, including quick-witted case, switch, mainboard module, pilot lamp, circuit connection each other, signal input port, direct output port, a plurality of isolation output port that are connected with the mainboard module are installed respectively to the quick-witted case, signal input port, direct output port establish ties lightning protection device TVS1 respectively, TVS2 is again respectively with logic chip, optoelectronic coupler meet, optoelectronic coupler meets with lightning protection device and isolation output port respectively. The utility model discloses can effectively keep apart the impact of sudden change heavy current such as thunder and lightning, high-voltage electricity, realize the distribution of data multichannel, effectively prolong current line transmission distance.
Description
Technical Field
The utility model relates to a thunder and lightning signal processing field, more specifically relates to a lightning protection type radar signal branching unit.
Background
The radar is used for observing the eyes of the sky airplane, and the two eyes need to be far and accurate to see and can provide instant and accurate information signals for a plurality of command guidance, aviation control and warning and early warning departments. Because the radar station is generally built on the top of a high-altitude mountain and needs to transmit signals to a plurality of remote command posts, towers or control rooms, all transmission lines can lead thunder and lightning along the way to the radar equipment on the top end, and the probability of lightning stroke of the radar equipment is increased.
In order to realize the distribution of multi-channel information, the original radar station generally adopts a mode of directly welding a lead from a thunder condition recording port or adopting an analog signal shunt, so that a thunder condition leading terminal is easily burnt out when lightning stroke or even an interface is plugged, even radar equipment is burnt out by thunder, and the command guidance or aviation scheduling of an aerial airplane is directly influenced.
Disclosure of Invention
For the distribution of safe realization radar station multichannel information, the utility model provides a following technical scheme:
the utility model provides a lightning protection type radar signal branching unit, includes quick-witted case, switch, mainboard module, pilot lamp, circuit connection each other, installs signal input port, straight-through output port, a plurality of isolation output port that are connected with the mainboard module on the quick-witted case respectively, signal input port, straight-through output port establish ties lightning protection device TVS1 respectively, TVS2 respectively again meets with logic chip, optoelectronic coupler respectively with lightning protection device and isolation output port meet.
Furthermore, the chassis is also provided with a clock signal input port connected with the mainboard module and synchronous clock output ports with the same number as the isolated output ports.
Furthermore, the front panel of the case is respectively provided with an indicator light, a power switch, and the rear panel of the case is respectively provided with a signal input port, a direct connection output port and an isolation output port.
Furthermore, the rear panel of the case is provided with power sockets of +12V, -12V and 5V which are respectively connected with the main board module circuit.
Furthermore, a front panel of the case is provided with a protective tube socket.
Further, the logic chip adopts a chip 74HC14, and the optical coupler adopts a P521 optical coupler.
Further, the signal input port RXD0 is connected in series with the resistor R1 and the lightning arrester TVS1 to ground, and the signal input port TXD0 is connected in series with the resistor R2 and the lightning arrester TVS2 to ground; the direct output port TXD1 series resistor R3 is connected with the nodes of R1 and TVS1, and the direct output port RXD1 series resistor R4 is connected with the nodes of R2 and TVS 2;
the clock signal input port series resistor R5 is grounded with a lightning arrester TVS4, a pin 3 of a logic chip P1 is connected with nodes of R5 and TVS4, a pin 7 is grounded, a pin 14 is connected with a power socket +5V, and a pin 9 is connected with a pin 2 of an optocoupler P3;
a pin 3 series resistor R6 of the logic chip P2 is connected with nodes of R1 and TVS1, a pin 7 is grounded, a pin 14 is connected with a power socket +5V, and a pin 9 series resistor R9 is connected with a pin 2 of an optocoupler P4;
an optocoupler P3 pin 1 series resistor R7 is connected with a power socket +5V, a pin 3 series resistor R14 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R15, R16, R17 and R18 and a lightning arrester TVS5, the other ends of the resistors R15, R16, R17 and R18 are respectively connected with four-way synchronous clock output ports, and the other end of the lightning arrester TVS5 is grounded;
an optocoupler P4 pin 1 series resistor R8 is connected with a power socket +5V, a pin 3 series resistor R12 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R10, R19, R20, R21 and R22 and a lightning protection device TVS3, the other end of the resistor R10 is connected with the power socket-12V, the other ends of the resistors R19, R20, R21 and R22 are respectively connected with a four-circuit isolation output port, and the other end of the lightning protection device TVS3 is grounded.
Above-mentioned lightning protection type radar signal branching unit adopts photoelectric isolation conversion technology and equipment lightning protection technology, overcomes the defect that former signal branching unit does not have lightning protection function, no anti-interference ability, can effectively keep apart the impact of sudden change heavy current such as thunder and lightning, high-tension electricity, important equipment such as computer, data transmission radio station and radar behind the protection branching unit, avoids it to suffer the thunderbolt infringement, ensures the effective transmission of radar information.
In addition, the utility model discloses can realize that data is received all the way, multichannel distribution, effectively prolongs current circuit transmission distance for current military use and civil aviation radar to a plurality of command control system, aviation control system, warning early warning system transmission digit information signal.
Drawings
Fig. 1 is a schematic diagram of the layout of the front panel according to the present invention.
Fig. 2 is a schematic diagram of the layout of the rear panel according to the present invention.
Fig. 3 is a schematic circuit diagram of the present invention.
Detailed Description
The utility model provides a lightning protection type radar signal branching unit, including quick-witted case, switch, mainboard module, pilot lamp, circuit connection each other. The front panel and the rear panel of the external structure of the case are arranged as shown in figures 1 and 2, the front panel is respectively provided with an indicator light and a power switch, and the rear panel of the case is respectively provided with a signal input port, a through output port, a four-way isolation output port and a protective tube.
The signal input port RXD0 is connected with a resistor R1 and a lightning protection device TVS1 in series and is grounded, and the signal input port TXD0 is connected with a resistor R2 and a lightning protection device TVS2 in series and is grounded; the direct output port TXD1 series resistor R3 is connected with the nodes of R1 and TVS1, and the direct output port RXD1 series resistor R4 is connected with the nodes of R2 and TVS 2;
the clock signal input port series resistor R5 is grounded with a lightning arrester TVS4, a pin 3 of a logic chip P1 is connected with nodes of R5 and TVS4, a pin 7 is grounded, a pin 14 is connected with a power socket +5V, and a pin 9 is connected with a pin 2 of an optocoupler P3;
a pin 3 series resistor R6 of the logic chip P2 is connected with nodes of R1 and TVS1, a pin 7 is grounded, a pin 14 is connected with a power socket +5V, and a pin 9 series resistor R9 is connected with a pin 2 of an optocoupler P4;
an optocoupler P3 pin 1 series resistor R7 is connected with a power socket +5V, a pin 3 series resistor R14 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R15, R16, R17 and R18 and a lightning arrester TVS5, the other ends of the resistors R15, R16, R17 and R18 are respectively connected with four-way synchronous clock output ports, and the other end of the lightning arrester TVS5 is grounded;
an optocoupler P4 pin 1 series resistor R8 is connected with a power socket +5V, a pin 3 series resistor R12 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R10, R19, R20, R21 and R22 and a lightning protection device TVS3, the other end of the resistor R10 is connected with the power socket-12V, the other ends of the resistors R19, R20, R21 and R22 are respectively connected with a four-circuit isolation output port, and the other end of the lightning protection device TVS3 is grounded.
When in use, the utility model is used,
firstly, if normal radar signals are processed:
the intelligence signal is input from a signal input port RXD0, and the clock signal is input from a clock signal input port;
the information signals are output to four isolated output ports after being isolated by the logic chip and the optical coupler, and the clock signals are output to four synchronous clock output ports and are used by access terminals of all the output ports.
Second, thunder and lightning, strong interference signal:
lightning and strong interference signals are input through a signal input port and are connected to the ground from the lightning protection devices TVS1 and TVS 2;
the circuit of the lightning induced current and the strong interference signal is isolated and prevented by the optical coupler and cannot be continuously transmitted to the output.
The utility model discloses in use can add other ports according to the work needs, or insert alternating current power supply or DC power supply power according to actual conditions, when using alternating current power supply, can set up transformer, rectifier.
This embodiment only makes the use of supplementary, perfect this scheme, does not make the limit to the utility model's right, and other equivalent replacements also should fall into the utility model's within the scope of protection.
Claims (7)
1. The utility model provides a lightning protection type radar signal branching unit, includes quick-witted case, switch, mainboard module, pilot lamp, its mutual circuit connection, its characterized in that:
the chassis is respectively provided with a signal input port, a through output port and a plurality of isolation output ports, wherein the signal input port, the through output port and the plurality of isolation output ports are respectively connected with the mainboard module, the signal input port and the through output port are respectively connected with the lightning protection device TVS1 and the TVS2 in series and then are respectively connected with the logic chip and the photoelectric coupler, and the photoelectric coupler is respectively connected with the lightning protection device and the isolation output ports.
2. The lightning protection type radar signal splitter of claim 1, wherein: the case is also provided with clock signal input ports connected with the mainboard module and synchronous clock output ports with the same number as the isolation output ports.
3. The lightning protection type radar signal splitter according to claim 1 or 2, wherein:
the front panel of the case is respectively provided with an indicator light and a power switch, and the rear panel of the case is respectively provided with a signal input port, a through output port and an isolation output port.
4. The lightning protection type radar signal splitter according to claim 1 or 2, wherein: the rear panel of the case is provided with power sockets of +12V, -12V and 5V which are respectively connected with the main board module circuit.
5. The lightning protection type radar signal splitter according to claim 1 or 2, wherein: the front panel of the case is provided with a protective tube socket.
6. The lightning protection type radar signal splitter according to claim 1 or 2, wherein: the logic chip adopts a chip 74HC14, and the photoelectric coupler adopts a P521 photoelectric coupler.
7. The lightning protection type radar signal splitter of claim 2, wherein:
the signal input port RXD0 is connected with a resistor R1 and a lightning protection device TVS1 in series and is grounded, and the signal input port TXD0 is connected with a resistor R2 and a lightning protection device TVS2 in series and is grounded; the direct output port TXD1 series resistor R3 is connected with the nodes of R1 and TVS1, and the direct output port RXD1 series resistor R4 is connected with the nodes of R2 and TVS 2;
the clock signal input port series resistor R5 is grounded with the lightning arrester TVS4, the pin 3 of the logic chip P1 is connected with the nodes of R5 and TVS4, the pin 7 is grounded, the pin 14 is connected with the power socket +5V, and the pin 9 is connected with the pin 2 of the photoelectric coupler P3;
a pin 3 series resistor R6 of the logic chip P2 is connected with nodes of R1 and TVS1, a pin 7 is grounded, a pin 14 is connected with a power socket +5V, and a pin 9 series resistor R9 is connected with a pin 2 of a photoelectric coupler P4;
a pin 1 serial resistor R7 of a photoelectric coupler P3 is connected with a power socket +5V, a pin 3 serial resistor R14 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R15, R16, R17 and R18 and a lightning arrester TVS5, the other ends of the resistors R15, R16, R17 and R18 are respectively connected with four-way synchronous clock output ports, and the other end of the lightning arrester TVS5 is grounded;
a pin 1 series resistor R8 of a photoelectric coupler P4 is connected with a power socket +5V, a pin 3 series resistor R12 is connected with a power socket +12V, a pin 4 is respectively connected with one end of resistors R10, R19, R20, R21 and R22 and a lightning protection device TVS3, the other end of the resistor R10 is connected with the power socket-12V, the other ends of the resistors R19, R20, R21 and R22 are respectively connected with a four-way isolation output port, and the other end of the lightning protection device TVS3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450857.4U CN212229153U (en) | 2020-04-01 | 2020-04-01 | Lightning protection type radar signal branching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450857.4U CN212229153U (en) | 2020-04-01 | 2020-04-01 | Lightning protection type radar signal branching unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212229153U true CN212229153U (en) | 2020-12-25 |
Family
ID=73905546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020450857.4U Active CN212229153U (en) | 2020-04-01 | 2020-04-01 | Lightning protection type radar signal branching unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212229153U (en) |
-
2020
- 2020-04-01 CN CN202020450857.4U patent/CN212229153U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106645865B (en) | Device for measuring corona current of high-voltage transmission line | |
| CN208707970U (en) | One kind being used for the wireless isolated transmission module of explosion hazard area intrinsic safety information | |
| CN201893603U (en) | Power supply system with high safety | |
| EP0491378A2 (en) | A power feeding system for an optical transmission system | |
| CN103499750A (en) | Portable multifunctional shore power system tester | |
| CN212229153U (en) | Lightning protection type radar signal branching unit | |
| CN114158169A (en) | Navigation light loop monitoring system and method, and related device and equipment | |
| CN108493779B (en) | Intelligent on-site module of primary equipment | |
| CN101800647A (en) | Photoelectric isolating relay based on RS-485 bus | |
| CN204205235U (en) | A kind of cable switching box for intelligent substation laboratory | |
| CN215643917U (en) | Explosion-proof electromagnet module based on CAN communication and control system thereof | |
| CN207098599U (en) | A kind of arc light protection system for fiber optic communication | |
| CN205811534U (en) | A kind of Ethernet Surge Protector | |
| CN204886163U (en) | LED lamps and lanterns power lightning protection circuit | |
| CN112820492A (en) | Explosion-proof electromagnet module based on CAN communication and control system thereof | |
| CN116192263B (en) | Synchronous two-way optical fiber modem and aviation control signal transmission system and method | |
| CN209072482U (en) | Novel slave mode RS485 telecommunication circuit and its measuring instrument | |
| CN212334288U (en) | Multi-channel elevator data acquisition system based on 4G transmission | |
| CN105068443A (en) | Safety interface device for semi-physical simulation, and design method | |
| CN106209511A (en) | A kind of emergency power supply communication system with remotely supervision | |
| CN205139383U (en) | A device is hit in lightning protection for seismic data acquisition system | |
| CN214756078U (en) | Bus surge high-voltage protector | |
| CN205355800U (en) | Signal power surge protector of system is watched in direct access to highest authorities in on -vehicle moving | |
| CN213602646U (en) | RS232 communication device, RS485 communication device and lightning protection communication system with isolation | |
| CN204304421U (en) | The protective circuit of underground coal mine RS485 communication line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230825 Address after: 2-1605, Ginza Jingdu ISQUARE, No. 66, Shunhe East Street, Shizhong District, Jinan, Shandong 250000 Patentee after: Jinan Laixing Information Technology Co.,Ltd. Address before: Erqi Xincun South Road, Shizhong District, Jinan City, Shandong Province Patentee before: Feng Qilong |