CN202103762U - RF switcher - Google Patents
RF switcher Download PDFInfo
- Publication number
- CN202103762U CN202103762U CN2011202195237U CN201120219523U CN202103762U CN 202103762 U CN202103762 U CN 202103762U CN 2011202195237 U CN2011202195237 U CN 2011202195237U CN 201120219523 U CN201120219523 U CN 201120219523U CN 202103762 U CN202103762 U CN 202103762U
- Authority
- CN
- China
- Prior art keywords
- switch
- utility
- diverter switch
- model
- switches
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model relates to an RF (Radio Frequency) switcher, which comprises a pair of primary transfer switches, wherein, the primary transfer switches are respectively connected with RF input ends and are connected in parallel with a secondary transfer switch connected with an RF output end; the primary switches and the secondary switch are connected with a main controller; the RF input ends are connected with the main controller through electric frequency detection units; and the main controller is further connected with a data interface, a key and a display screen. The RF switcher provided by the utility model adopts a microprocessor and is matched with a perfect automatic monitoring system circuit, so that the RF switcher can accurately monitor the input level of all circuits in a real-time manner, reliably control the state of the switches and can be set to an automatic switching mode and a manual switching mode.
Description
Technical field
The utility model relates to a kind of radio frequency switch.
Background technology
The radio frequency switch is mainly used in the sub-headend machine room of cable TV network; The user can be through the switching condition of setting; Realize the automatic switchover of active and standby two-way radiofrequency signal; Can select the good passage of signal quality for the cable TV network radio-frequency front-end fast automaticly, guarantee the quality of cable TV signal effectively, with fail safe and the reliability that improves whole network.The user can be according to the threshold value of different service condition calibration switchings; Equipment is monitored the main road radiofrequency signal in real time; If finding the main road level of RF signals falls; Equipment is selected normal one tunnel output of radiofrequency signal, to guarantee the stable of radiofrequency signal just according to the radio-frequency relay in the testing result driving machine of radiofrequency signal.
The utility model content
The purpose of the utility model provides a kind of radio frequency switch, can accurately monitor each road incoming level, the state of control switch reliably in real time.
The utility model is that the technical scheme that its technical problem of solution is adopted is,
A kind of radio frequency switch; Comprise a pair of one-level diverter switch, the one-level diverter switch is connected with rf inputs respectively, and the one-level diverter switch is connected in parallel to the secondary diverter switch; The secondary diverter switch connects RF output end, and one-level diverter switch and secondary diverter switch are connected with master controller.
Said rf inputs is connected with master controller through electricity frequency detecting unit.
Said master controller also is connected with data-interface, button and display screen.
The beneficial effect of the utility model is, this radio frequency switch adopts microprocessor, cooperates perfect automatic monitored control system circuit, can accurately monitor each road incoming level in real time, and the state of control switch can be arranged to automatic switchover and manual switchover pattern reliably.The embedded LCD of front panel, accurately each item working status parameter of display device.The configurable network management responder that meets IEEE802.3 10Base-T standard ethernet interface; Can realize network management monitoring easily, can be used for various types of optical receivers, to support various backup networks; Be in alarm condition in case detect the main road level; Then diverter switch switches to network on the backup loop from main road automatically, and built-in perfect embedded automatic monitored control system has been guaranteed the excellent performance of complete machine.
Description of drawings
Fig. 1 is the structural representation of the radio frequency switch of the utility model proposition.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with illustrating and specific embodiment, further set forth the utility model.
As shown in Figure 1; A kind of radio frequency switch that the utility model proposes comprises a pair of one-level diverter switch; The one-level diverter switch is connected with rf inputs RFIN A and RFIN B respectively; The one-level diverter switch is connected in parallel to the secondary diverter switch, and the secondary diverter switch connects RF output end RFOUT, and one-level diverter switch and secondary diverter switch are connected with master controller MCU.Said rf inputs is connected with master controller through electricity frequency detecting unit.Said master controller also is connected with data-interface, button and display screen.
This radio frequency switch has adopted microprocessor, cooperates perfect automatic monitored control system circuit, can accurately monitor each road incoming level in real time, and the state of control switch can be arranged to automatically switch and the manual switchover pattern reliably.The embedded LCD of front panel, accurately each item working status parameter of display device.The configurable network management responder that meets IEEE802.3 10Base-T standard ethernet interface; Can realize network management monitoring easily, can be used for various types of optical receivers, to support various backup networks; Be in alarm condition in case detect the main road level; Then diverter switch switches to network on the backup loop from main road automatically, and built-in perfect embedded automatic monitored control system has been guaranteed the excellent performance of complete machine.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (3)
1. radio frequency switch; It is characterized in that; Comprise a pair of one-level diverter switch, the one-level diverter switch is connected with rf inputs respectively, and the one-level diverter switch is connected in parallel to the secondary diverter switch; The secondary diverter switch connects RF output end, and one-level diverter switch and secondary diverter switch are connected with master controller.
2. a kind of radio frequency switch according to claim 1 is characterized in that, said rf inputs is connected with master controller through electricity frequency detecting unit.
3. a kind of radio frequency switch according to claim 1 is characterized in that said master controller also is connected with data-interface, button and display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202195237U CN202103762U (en) | 2011-06-19 | 2011-06-19 | RF switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202195237U CN202103762U (en) | 2011-06-19 | 2011-06-19 | RF switcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103762U true CN202103762U (en) | 2012-01-04 |
Family
ID=45389759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202195237U Expired - Lifetime CN202103762U (en) | 2011-06-19 | 2011-06-19 | RF switcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662341A (en) * | 2012-03-20 | 2012-09-12 | 天维讯达无线电设备检测（北京）有限责任公司 | Radio-frequency switch-unit hardware system based on ARM and DSP |
-
2011
- 2011-06-19 CN CN2011202195237U patent/CN202103762U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662341A (en) * | 2012-03-20 | 2012-09-12 | 天维讯达无线电设备检测（北京）有限责任公司 | Radio-frequency switch-unit hardware system based on ARM and DSP |
| CN102662341B (en) * | 2012-03-20 | 2014-04-16 | 天维讯达无线电设备检测（北京）有限责任公司 | Radio-frequency switch-unit hardware system based on ARM and DSP |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203217364U (en) | Function testing system for hardware board card of DC transmission project control and protection system | |
| CN104135083A (en) | Intelligent household distribution box | |
| CN205034932U (en) | Elevator on off state detection device | |
| CN202103762U (en) | RF switcher | |
| CN204790543U (en) | Be applied to distributed IO topological structure of highway tunnel control | |
| CN103107508A (en) | Insulation monitoring and protecting control device and method for multichannel underwater motor power supply loop | |
| CN204305340U (en) | A kind of power amplifier operation control system | |
| CN204732961U (en) | Dual-power switching system and fault monitoring system | |
| CN204156609U (en) | Unattended substation remote control/remote signaling function on-Line Monitor Device | |
| CN204068425U (en) | Intelligent substation telecontrol communication machine | |
| CN209030192U (en) | A kind of radio frequency switching device | |
| CN201263097Y (en) | Intelligent automatic changeover switch electric appliance | |
| CN204652035U (en) | A kind of Signal Detecting Circuit for Automatic Transfer Switching Equipment | |
| CN206301170U (en) | It is a kind of to monitor the equipment that the evaluation of power supply integrated environment is indicated | |
| CN203225579U (en) | Switching device for automatic switchover of power supplies | |
| CN201142680Y (en) | Detecting control device of digital station field broadcast machine | |
| CN202110311U (en) | Optical switcher | |
| CN203661058U (en) | Main/standby engine automatic switching device of frequency modulation transmitters | |
| CN206321698U (en) | A kind of power supply row cabinet of auto-alarming | |
| CN205982409U (en) | Distribution transformer power failure autoalarm | |
| CN201403096Y (en) | Fault and power-off protection device for optical transmission device | |
| CN103914010A (en) | Radio-frequency change-over switch capable of keeping original communication state when powered off | |
| CN209170395U (en) | The communication interface modules for having Function Extension | |
| CN204068994U (en) | KVM equipment switching device shifter and system | |
| CN205622329U (en) | Power dispatching automation is network passageway warning device for system |
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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xiaoshan Guali friendship village of Hangzhou city in Zhejiang province 310000 Patentee after: Hangzhou Prevail Optoelectronic Equipment Co., Ltd. Address before: Xiaoshan Guali friendship village of Hangzhou city in Zhejiang province 310000 Patentee before: Hangzhou Prevail Optoelectronic Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |