CN2538073Y - Large power electric regulation filter - Google Patents
Large power electric regulation filter Download PDFInfo
- Publication number
- CN2538073Y CN2538073Y CN 02214418 CN02214418U CN2538073Y CN 2538073 Y CN2538073 Y CN 2538073Y CN 02214418 CN02214418 CN 02214418 CN 02214418 U CN02214418 U CN 02214418U CN 2538073 Y CN2538073 Y CN 2538073Y
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- China
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- screw
- utility
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- piston
- large power
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Abstract
The utility model discloses a large power electric regulation filter which relates to a device used as the large power electric regulation filter of a C wave band in the field of communication. The utility model is composed of a monitor, a power supply, a motor, a cylinder cavity, an interface waveguide, a coupling screw, an optical coupling device, a light covering plate, a transmission plate, a rolling ball screw rod, a piston, a seat rack, etc. The utility model uses the monitor to control the position of the piston in the cylinder cavity in real time to change the frequency. The large power electric regulation filter can be used for a large power duplexer and realize the purpose of receiving and sending the public antenna. The utility model also has the characteristics good interference resistance, simple structure, low inserting loss, high power capacity, short tuning time, high tuning precision, etc. The utility model is particularly suitable for the device used as the large power electric regulation filter of a sending channel of a moving scattering machine duplexer of the C wave band.
Description
Technical field
The utility model relates to a kind of large power, electrically tunable filter device in the communications field, is specially adapted to do in the mobile scattering machine duplexer C-band large power, electrically tunable filter, realizes that antenna receiving-sending is public.
Background technology
Also do not use duplexer at present in the high-power scatter communication machine of C-band, the polarization isolation of antenna is adopted in transmitting-receiving, changes frequency and can not transfer by electricity, causes certain inconvenience and telex network interference free performance etc. to be subjected to certain influence to telex network.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and provides a kind of C-band can realize that antenna receiving-sending is public, the large power, electrically tunable filter of strong anti-interference performance.And simple in structure, little, the characteristics such as power capacity is big, tuning period is short, tuning precision height of insertion loss that the utility model also has.
The purpose of this utility model is achieved in that it comprises watch-dog 1, power supply 2, motor 3, mounting 4, interface waveguides 5, interface waveguides 6, cylindrical cavity 7, coupling screw 8, optical coupler 9, anti-dazzling screen 10, driver plate 11, ball-screw 12, piston 13 constitutes, wherein interface waveguides 5, interface waveguides 6 mutual angles are 90 ° and are welded on cylindrical cavity 7 exterior circular columns, cylindrical cavity 7 two ends are fixed on mounting 4 supporting plates with securing member, coupling screw 8 helicitic textures are installed on cylindrical cavity 7 cylinders, optical coupler 9 usefulness securing members are installed on the side of mounting 4, anti-dazzling screen 10 is welded on the thin pole, thin pole is screwed on driver plate 11, ball-screw 12 leading screw two ends by Bearing Installation on mounting 4 supporting plates, leading screw overcoat one end is installed on the driver plate 11 with securing member, piston 13 piston bodies are actively plugged in cylindrical cavity 7 cavitys, piston rod is fixed on the driver plate 11 with securing member, motor 3 rotating shafts connect with ball-screw 12 leading screws one end by shaft coupling, motor 3 is fixed on mounting 4 supporting plates with securing member by support, watch-dog 1 goes out end and is connected with optical coupler 9 with motor 3 by lead, power supply 2 outputs are connected watch-dog 1 with the power input of watch-dog 1, power supply 2 is installed on the front panel of cabinet.
The utility model has been compared following advantage with background technology:
1. the utility model adopts cylindrical cavity 7, has therefore that the loss of insertion is little, power capacity is big.
2. the change of the utility model cavity resonant frequency, by the keyboard incoming frequency value of watch-dog 1, the piston 13 of watch-dog control filters is adjusted to the pairing position of frequency.
3. the utility model adopts optical coupler 9 to determine reference point, has improved the accuracy and the precision of tuned frequency.
4. the utility model adopts ball-screw 12 to reduce the transmission return difference, has shortened tuning period.
5. the utility model adopts aluminum piston 13, plays temperature compensation function.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model.
Embodiment
With reference to Fig. 1, the utility model is made of watch-dog 1, power supply 2, motor 3, mounting 4, interface waveguides 5, interface waveguides 6, cylindrical cavity 7, coupling screw 8, optical coupler 9, anti-dazzling screen 10, driver plate 11, ball-screw 12, piston 13.Wherein interface waveguides 5, interface waveguides 6 mutual angles are 90 ° and are welded on cylindrical cavity 7 exterior circular columns, effect is to be serially connected on the transmission channel, embodiment adopts BJ-58 (GB) waveguide, adopts FD48 (GB) ring flange, all connects with silver soldering between ring flange, waveguide, the cylindrical cavity.Cylindrical cavity 7 two ends are fixed on mounting 4 supporting plates with securing member, and cylindrical cavity 7 adopts the copper rod materials to be processed into, and it is that 100 millimeters, internal diameter are that 54 millimeters, external diameter are 72 millimeters that embodiment cylindrical cavity 7 is processed into size length.Coupling screw 8 helicitic textures are installed on cylindrical cavity 7 cylinders, rise and regulate coupling, mounting 4 is for ease of installing cylindrical cavity 7, ball-screw 12, motor 3, being convenient to be installed on the chassis backplane, it adopts the steel plate materials welding processing to make, optical coupler 9 usefulness securing members are installed in the side of mounting 4, anti-dazzling screen 10 is welded on the thin pole, thin pole is screwed on driver plate 11, driver plate 11 makes anti-dazzling screen 10 insert or withdraws from optical coupler 9 when moving, play the reference point effect of adjusting filter.Embodiment optical coupler 9 adopts commercially available general-purpose device to make, and anti-dazzling screen 10 adopts the copper sheet blackout to handle and makes.
On mounting 4 supporting plates, leading screw overcoat one end is installed on the driver plate 11 with securing member by Bearing Installation at the utility model ball-screw 12 leading screw two ends.In piston body plug-in mounting cylindrical cavity 7 cavitys of piston 13, can move around in cylindrical cavity 7 cavitys, piston rod is fixed on the driver plate 11 with securing member.The rotating shaft of motor 3 connects with leading screw one end of ball-screw 12 by shaft coupling, motor 3 is fixed on mounting 4 supporting plates with securing member by support, the leading screw that the rotation of motor 3 drives ball-screw 12 rotates, can make ball-screw 12 outer be enclosed within axially to come and go on the leading screw move, drive driver plate 11, piston 13 is done to come and go and is moved, reach the purpose of piston diverse location respective chamber resonance at different frequency, piston 13 adopts aluminium bar to be processed into, play temperature compensation function, the transmission return difference that adopted accurate ball-screw 12 structure decrease, shortened tuning period, the effect of driver plate 11 is outer gearings that are set to piston 13 of playing ball-screw 12, driver plate 11 adopts steel plate materials to be processed into, and motor 3 adopts commercially available 57BYG type stepping motor.
The utility model watch-dog 1 is connected with optical coupler 9 with motor 3 by lead, optical coupler 9 provides reference point to watch-dog, rotate according to keyboard incoming frequency watch-dog 1 drive motors 3, piston 13 is moved to required position, make cavity resonant on the frequency of keyboard input, watch-dog 1 adopts general supervisory circuit self-control to form, power supply 2 input 220V alternating voltages, output+5V ,+the 24V direct voltage, power supply 2 is given the direct voltage that watch-dog 1 provides to be needed, and power supply 2 adopts the universal circuit self-control to form.Watch-dog 1, power supply 2 are installed on the front panel of cabinet, and mounting 4 is installed on the chassis backplane, the assembly cost utility model.
The utility model course of work is as follows: the operating frequency of given transmission channel, operating frequency value from keyboard input transmission channel, watch-dog 1 is according to the operating frequency of keyboard input transmission channel, drive motors 3 rotates, the leading screw that the rotation of motor 3 drives ball-screw 12 rotates, can make ball-screw 12 outer be enclosed within axially to come and go on the leading screw move, ball-screw 12 drives driver plate 11, piston 13 motions, optical coupler 9 provides reference point for watch-dog 1, watch-dog 1 moves to required position with piston, make cylindrical cavity 7 resonance on the frequency of keyboard input, so just determined the operating frequency of transmission channel.
Claims (1)
1. large power, electrically tunable filter, comprise watch-dog (1), power supply (2), motor (3), mounting (4), it is characterized in that also comprising interface waveguides (5), (6), cylindrical cavity (7), coupling screw (8), optical coupler (9), anti-dazzling screen (10), driver plate (11), ball-screw (12), piston (13), interface waveguides (5) wherein, (6) mutually angle is 90 ° and is welded on cylindrical cavity (7) exterior circular column, cylindrical cavity (7) two ends are fixed on mounting (4) supporting plate with securing member, coupling screw (8) helicitic texture is installed on cylindrical cavity (7) exterior circular column, optical coupler (9) is installed on mounting (4) side with securing member, anti-dazzling screen (10) is welded on the thin pole, thin pole is screwed on driver plate (11), ball-screw (12) leading screw two ends by Bearing Installation on mounting (4) supporting plate, leading screw overcoat one end is installed on the driver plate (11) with securing member, piston (13) piston body is actively plugged in cylindrical cavity (7) cavity, piston rod is fixed on the driver plate (11) with securing member, motor (3) rotating shaft connects with ball-screw (12) leading screw one end by shaft coupling, motor (3) is fixed on mounting (4) supporting plate with securing member by support, watch-dog (1) goes out end and is connected with optical coupler (9) with motor (3) by lead, power supply (2) output is connected watch-dog (1) with the power input of watch-dog (1), power supply (2) is installed on the front panel of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214418 CN2538073Y (en) | 2002-04-25 | 2002-04-25 | Large power electric regulation filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214418 CN2538073Y (en) | 2002-04-25 | 2002-04-25 | Large power electric regulation filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2538073Y true CN2538073Y (en) | 2003-02-26 |
Family
ID=33693749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02214418 Expired - Lifetime CN2538073Y (en) | 2002-04-25 | 2002-04-25 | Large power electric regulation filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2538073Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247134B (en) * | 2008-03-06 | 2012-05-23 | 中兴通讯股份有限公司 | Resonating device and method for electrically regulated filtering unit |
| CN104393391A (en) * | 2014-12-09 | 2015-03-04 | 中国电子科技集团公司第五十四研究所 | Low-frequency high-power resonator and electrically tunable band stop filter |
-
2002
- 2002-04-25 CN CN 02214418 patent/CN2538073Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247134B (en) * | 2008-03-06 | 2012-05-23 | 中兴通讯股份有限公司 | Resonating device and method for electrically regulated filtering unit |
| CN104393391A (en) * | 2014-12-09 | 2015-03-04 | 中国电子科技集团公司第五十四研究所 | Low-frequency high-power resonator and electrically tunable band stop filter |
| CN104393391B (en) * | 2014-12-09 | 2017-07-04 | 中国电子科技集团公司第五十四研究所 | A kind of low frequency high power resonator and electricity adjust bandstop filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120425 Granted publication date: 20030226 |