CN206412453U - A kind of cavity 3DB electric bridges - Google Patents

A kind of cavity 3DB electric bridges Download PDF

Info

Publication number
CN206412453U
CN206412453U CN201720131949.4U CN201720131949U CN206412453U CN 206412453 U CN206412453 U CN 206412453U CN 201720131949 U CN201720131949 U CN 201720131949U CN 206412453 U CN206412453 U CN 206412453U
Authority
CN
China
Prior art keywords
cavity
rod
section
electric bridges
connector
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 - Fee Related
Application number
CN201720131949.4U
Other languages
Chinese (zh)
Inventor
李培
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Easy Times Communication Co Ltd
Original Assignee
Dongguan Easy Times Communication Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Easy Times Communication Co Ltd filed Critical Dongguan Easy Times Communication Co Ltd
Priority to CN201720131949.4U priority Critical patent/CN206412453U/en
Application granted granted Critical
Publication of CN206412453U publication Critical patent/CN206412453U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

The utility model discloses a kind of cavity 3DB electric bridges, including cavity, cavity side is provided with two the first connectors, opposite side is provided with two the second connectors, inside cavity is welded with two inner wires, cavity is divided into symmetrical four ports, port is made up of a diameter of 4.2mm through hole pit, on mating connector insertion cavity, the utility model can realize the 800 2700MHz full frequency band network coverages, indoor and outdoor can be used, and product power is high, small, low intermodulation is lost, and meets three big Carrier Requirements.

Description

A kind of cavity 3DB electric bridges
Technical field
The utility model is related to mobile communication all-channel technical field, specially a kind of cavity 3DB electric bridges.
Background technology
3DB electric bridges are also same frequency combiner, and it can continuously take along along a certain determination direction of transmission line to transimission power One input signal, can be divided into two constant amplitude and the signals with 90 ° of phase differences each other by sample.It is mainly used in multi signal combining, The utilization rate of output signal is improved, extensively using the combining in indoor covering system to base station signal, in this place with effect Fruit is very well.3DB bridge Insertion Loss is 3.2, and isolation is also 25, and standing wave is general.But have two delivery outlets, such as input one it is 30 defeated Go out is exactly two 27.The delivery outlet of 3dB electric bridges also can arbitrarily be determined, Two In and One Out, One In and Two Out, Two In and Two Out, in fact can, A many mouths connect the load of enough power just.Not not connecing namely dispatching from the factory with regard to disconnecting in fact for load, with separately connecing negative Carry different effect.But, it can only use 3dB when requiring high for standing-wave ratio.In addition, it is also contemplated that device is held By power.Two work(point, 3dB electric bridges and combiner;Combiner:For frequency-selecting combiner, to filter multiplexed fashion work, two are can be achieved Road above signal synthesis, can realize that high isolation is synthesized, be mainly used in the combining of different frequency range, it is possible to provide minimum between different system Interference.Insertion Loss is minimum, and preferably, frequency band isolation is maximum for Out-of-band rejection, and different system equipment combining input and output must use this, 3dB electric bridges:It for same frequency combining, can only realize that two paths of signals is synthesized, isolation is relatively low, the output of two-way constant amplitude can be achieved, it is also most It is expensive.Power splitter:For same frequency combining, multichannel synthesis can be achieved, isolation is relatively low, can only provide and export all the way.
With the development of LTE, 4G network, including China Telecom, CHINAUNICOM 4G network coverages engineering are also in acceleration hair Exhibition, operator is more and more to the demand of passive device, and quantity is continuously increased, and 3DB electric bridges are the indispensable devices of room subsystem Part, as existing network is increasing to room point device power ability to bear demand, under many scenes, micro-strip device can not be met will Ask, operator is higher to product requirement, high-power, Insertion Loss is small, the index such as low intermodulation, can be met with cavity 3DB electric bridges will Ask.
Utility model content
The purpose of this utility model is to provide a kind of cavity 3DB electric bridges, with asking for solving to propose in above-mentioned background technology Topic.
To achieve the above object, the utility model provides following technical scheme:A kind of cavity 3DB electric bridges, including cavity, institute Cavity side is stated provided with two the first connectors, opposite side is welded with two provided with two the second connectors, the inside cavity Inner wire, the cavity is divided into symmetrical four ports, and port is made up of a diameter of 4.2mm through hole pit, coordinates and connects Connect on device insertion cavity, through hole centre bore to cavity back gauge is 16mm.
It is preferred that, first connector, the second connector are 8-24UNEF-2A type Female head thread joints, even Connect device and be externally provided with filled polytetrafluoroethylene medium in a draw pin, the connector.
It is preferred that, two inner wires are put into cavity, two inner wire mirror image juxtapositions, the inner wire two ends point Lian Jie not the outer draw pin of connector.
It is preferred that, the inner wire is made up of four section rods, respectively first segment rod, second section rod, Section of three rod, Section four Rod, a length of 11.95mm of the first segment rod, a width of 4.93mm;A length of 36.1mm of the second section rod, a width of 4.2mm;Institute State a length of 38.2mm of Section of three rod, a width of 4.5mm;Section four, a length of 12.32mm, a width of 5.42mm of the rod.
It is preferred that, the inside cavity side, which has in a circle capillary groove, the capillary groove, is provided with sealing ring.
Compared with prior art, the beneficial effects of the utility model are:The utility model can realize that 800-2700MHz is complete Frequency band network is covered, and indoor and outdoor can be used, and product power is high, small, low intermodulation is lost, and meets three big Carrier Requirements;Separately Outer using screw mode installs connector is beaten, it is necessary to weld, matching requirements are high, but the product index surplus worked it out is big, especially In terms of being Insertion Loss and intermodulation, improve larger, degree of protection can reach IP65.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is inner conductor structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme:A kind of cavity 3DB electric bridges, including cavity 1, cavity 1 internal edges, which have, is provided with sealing ring in a circle capillary groove, the capillary groove, waterproof groove width 1.3mm, deep 1.2mm;The cavity 1 Side is provided with two the first connectors 2, and opposite side is provided with two the second connectors 3, and the internal welding of cavity 1, which is connected in two, leads Body 4,1 point of the cavity is symmetrical four ports 9, and port is made up of a diameter of 4.2mm through hole pit, is connected On device insertion cavity 1, through hole centre bore to the back gauge of cavity 1 is 16mm.
In the present embodiment, the first connector 2, the second connector 3 are 8-24UNEF-2A type Female head thread joints, Connector is externally provided with filled polytetrafluoroethylene medium in a draw pin, the connector, is easy to fix contact pin, stabilizes it.Even Device 2 is connect for input port, connector 3 is output port, input and output port is interchangeable, i.e., connector 2 is output port, that Connector 3 is just as input port, and port, which is exchanged, to provide great convenience to project installation.
In the present embodiment, two inner wires 4 are put into cavity 1, two mirror image juxtapositions of inner wire 4,4 liang of the inner wire End connects the outer draw pin of connector respectively;Inner wire 4 is made up of four section rods, respectively first segment rod 5, second section rod 6, Section of three rod 7th, Section of four rod 8, a length of 11.95mm of the first segment rod 5, a width of 4.93mm;A length of 36.1mm of the second section rod 6, A width of 4.2mm;Section three, a length of 38.2mm, a width of 4.5mm of the rod 7;Section four, a length of 12.32mm of the rod 8, it is a width of 5.42mm。
The utility model can realize the 800-2700MHz full frequency band network coverages, and indoor and outdoor can be used, product power High, small, the low intermodulation of loss, meets three big Carrier Requirements;In addition using screw mode installs connector is beaten, it is necessary to weld, fill With requiring high, but the product index surplus worked it out is big, particularly in terms of Insertion Loss and intermodulation, improves larger, degree of protection is reachable To IP65.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of cavity 3DB electric bridges, including cavity (1), it is characterised in that:Cavity (1) side is provided with two first connections Device (2), opposite side is connected to two inner wires (4), the cavity provided with two the second connectors (3), cavity (1) internal welding (1) it is divided into symmetrical four ports (9), port is made up of a diameter of 4.2mm through hole pit, mating connector insertion chamber On body (1), through hole centre bore to cavity (1) back gauge is 16mm.
2. a kind of cavity 3DB electric bridges according to claim 1, it is characterised in that:First connector (2), second connect It is 8-24UNEF-2A type Female head thread joints to connect device (3), and connector is externally provided with a draw pin, the connector and filled PTFE medium.
3. a kind of cavity 3DB electric bridges according to claim 2, it is characterised in that:Two the inner wire (4) is put into cavity (1), two inner wire (4) mirror image juxtapositions, inner wire (4) two ends connect the outer draw pin of connector respectively.
4. a kind of cavity 3DB electric bridges according to claim 1, it is characterised in that:The inner wire (4) is by four section rod groups Into respectively first segment rod (5), second section rod (6), Section of three rod (7), Section of four rod (8), the length of the first segment rod (5) For 11.95mm, a width of 4.93mm;The a length of 36.1mm, a width of 4.2mm of the second section rod (6);Section three, the rod (7) A length of 38.2mm, a width of 4.5mm;Section four, a length of 12.32mm, a width of 5.42mm of the rod (8).
5. a kind of cavity 3DB electric bridges according to claim 1, it is characterised in that:Cavity (1) internal edges have a circle to prevent Sealing ring is installed in tank, the capillary groove.
CN201720131949.4U 2017-02-14 2017-02-14 A kind of cavity 3DB electric bridges Expired - Fee Related CN206412453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720131949.4U CN206412453U (en) 2017-02-14 2017-02-14 A kind of cavity 3DB electric bridges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720131949.4U CN206412453U (en) 2017-02-14 2017-02-14 A kind of cavity 3DB electric bridges

Publications (1)

Publication Number Publication Date
CN206412453U true CN206412453U (en) 2017-08-15

Family

ID=59558064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720131949.4U Expired - Fee Related CN206412453U (en) 2017-02-14 2017-02-14 A kind of cavity 3DB electric bridges

Country Status (1)

Country Link
CN (1) CN206412453U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108134174A (en) * 2017-11-17 2018-06-08 江苏亚信电子科技有限公司 A kind of wideband electrical bridge optimization system
CN113394531A (en) * 2021-06-29 2021-09-14 江苏贝孚德通讯科技股份有限公司 Same-frequency combiner compatible with 5G frequency band

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108134174A (en) * 2017-11-17 2018-06-08 江苏亚信电子科技有限公司 A kind of wideband electrical bridge optimization system
CN113394531A (en) * 2021-06-29 2021-09-14 江苏贝孚德通讯科技股份有限公司 Same-frequency combiner compatible with 5G frequency band

Similar Documents

Publication Publication Date Title
CN206412453U (en) A kind of cavity 3DB electric bridges
CN104836005A (en) Miniaturized coaxial cavity power splitter
CN202004136U (en) Novel power divider structure
CN104779975A (en) A differential coupling communication device of high speed power line carrier system
CN208849056U (en) A kind of C-band 300W power combiner based on Gysel structure
CN203574081U (en) Dedicated high-power attenuator for 4G communication system
CN202839924U (en) Coaxial fixed attenuator with high frequency of 40 Ghz
CN207443137U (en) The signal transferring device of multi-system access platform and POI equipment
CN101557025B (en) Compact GSM/CDMA shared combiner for transceiving
CN205828625U (en) A kind of novel low intermodulation four is entered four and is gone out cavity bridge
CN106152070A (en) Rosette
CN206225516U (en) 3dB electric bridges with coupling monitoring function
CN102377442A (en) Low-temperature receiver based on waveguide input and output
CN207426101U (en) A kind of same frequency combiner
CN211150741U (en) High-power 6-18 GHz's two directional coupler
CN104241796A (en) Same-frequency combiner
CN106450636B (en) 3db electric bridge with coupling monitoring function
CN207611853U (en) A kind of wideband electrical bridge optimization system
CN102694223A (en) Direct-current path integrated broadband strip-line combiner
CN202384477U (en) Separating polarization separator
CN105720332A (en) Dielectric filter
CN206412452U (en) A kind of power splitter of base station two
CN202384503U (en) Direct-fastening type T-shaped polarization separator
CN204947287U (en) A kind of buttock line conversion equipment
CN218849763U (en) Fast-pulling single-path coupler

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170815

Termination date: 20210214