CN103441774B - Interphone repeater - Google Patents
Interphone repeater Download PDFInfo
- Publication number
- CN103441774B CN103441774B CN201310389648.8A CN201310389648A CN103441774B CN 103441774 B CN103441774 B CN 103441774B CN 201310389648 A CN201310389648 A CN 201310389648A CN 103441774 B CN103441774 B CN 103441774B
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- Prior art keywords
- duplexing
- groove
- layer
- integrated circuit
- duplexer
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Abstract
The invention provides an interphone repeater which solves the problems that an existing interphone repeater is large in size and not suitable for being moved or used in emergency. The interphone repeater comprises a shell, a transceiving controller and a duplexer, wherein the transceiving controller and the duplexer are installed in the shell and are electrically connected. The duplexer comprises a duplex integrated circuit board, a transmitting filter, a receiving filter and a porous metal duplex groove, wherein the transmitting filter and the receiving filter are installed on the duplex integrated circuit board, and the porous metal duplex groove covers the transmitting filter and the receiving filter. The transmitting filter and the receiving filter respectively comprise a plurality of coils. The porous metal duplex groove comprises a plurality of cavities corresponding to the coils in a one-to-one mode. The shell comprises a shell cover and a shell body, wherein the porous metal duplex groove is formed in the shell body.
Description
Technical field
The present invention relates to a kind of radio transition equipment, particularly a kind of interphone repeater.
Background technology
Intercom system comprises hand transceiver and the repeater for increasing the speech range between hand transceiver, existing trunk desk is generally made up of transceiver controller and duplexer, duplexer, also known as antenna multicoupler, is more special two-way three end filters.The coupling of faint Received signal strength should be come in by duplexer, again larger transmitting power is fed to antenna and gets on, and complete its function separately both requiring and do not influence each other.General duplexer is made up of the spiral cavity that shakes, because its operating frequency is high, distributed constant impact is larger, often make a sealing body, in order to avoid Received signal strength and the mutual interference sending signal, the receive-transmit isolation of duplexer requires at least to reach 70dB, this coil of duplexer is often made very large, this volume just causing duplexer is often very large, causes that existing trunk desk volume is large, power consumption large, Heavy Weight, is not suitable for mobile, Emergency use.
Summary of the invention
The present invention proposes a kind of interphone repeater, solves existing interphone repeater volume large, is not suitable for mobile, Emergency use problem.
Technical scheme of the present invention is achieved in that
A kind of interphone repeater, comprises housing and the transceiver controller that is loaded in described housing and duplexer; Described transceiver controller is electrically connected with described duplexer, and described duplexer comprises duplexing surface-mounted integrated circuit, the metal porous duplexing groove that is installed on emission filter on described duplexing surface-mounted integrated circuit and receiving filter and covers on described transmitting filter and receiving filter; Described emission filter and described receiving filter comprise several coil respectively, and described how metal porous duplexing groove comprises several and described coil cavity one to one; Described housing comprises cap and housing body, and described metal porous duplexing groove is opened in described housing body.
Further, described duplexing surface-mounted integrated circuit is formed by stacking by the first barricade and secondary shielding plate, and described duplexing surface-mounted integrated circuit is divided into from lower to upper successively:
Bottom, be the bottom surface of secondary shielding plate, this layer is components and parts layer, and described coil is laid in this layer, the copper coin ground connection of described bottom;
Middle two layers, be the end face of secondary shielding plate, the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some second coupling circuits and the connection line for being connected components and parts; Coupling capacitance is produced between described connection line and the second coupling circuit and ground path;
Middle one deck, be the bottom surface of the first barricade, the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some first coupling circuits; The corresponding superimposed connection of described first coupling circuit and described second coupling circuit;
Top layer is the end face of the first barricade, the copper coin ground connection of described top layer.
Further, described duplexing surface-mounted integrated circuit offers along described first coupling circuit and the second coupling circuit the groove running through duplexing surface-mounted integrated circuit, be filled with conducting objects in described groove, the first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to each other.
Further, described conducting objects is scolding tin.
Further, described metal porous duplexing groove is aluminium alloy porous duplex groove, and described shell is aluminum alloy casing.
Known by describing above, compared with prior art, tool of the present invention has the following advantages in the present invention:
1, transceiver controller and duplexer are incorporated in a housing by the present invention, by offering metal porous duplexing groove in housing body, this metal porous duplexing groove is equivalent to the filtering cavity required for duplexer, take full advantage of the housing of repeater, realize transceiver controller and duplexer to be integrated in a housing.Trunk desk originally and duplexer respectively need a power supply, and the two unites two into one by the present invention, only need a power supply, energy efficient.
2, duplexing surface-mounted integrated circuit of the present invention adopts two-layer barricade to be formed by stacking, utilize the end face of the first barricade for the top layer of duplexing surface-mounted integrated circuit, utilize the bottom surface of secondary shielding plate for bottom, top layer and bottom ground connection simultaneously, form a shielding protection net, reduce signal disturbing; The first coupling circuit is provided with at middle one deck, the second coupling circuit and the connection line for being connected components and parts is provided with at middle two layers, owing to there is electrical potential difference between connection line and coupling circuit, make to produce coupling capacitance between connection line and coupling circuit, further enhancing the receive-transmit isolation of isolation between each coil and whole duplexer, the volume of duplexer can further be reduced.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is shell mechanism decomposing schematic representation of the present invention;
Fig. 2 is the structural representation of duplexing surface-mounted integrated circuit of the present invention;
Fig. 3 is fabric schematic diagram of the present invention;
Fig. 4 is middle two-layer structure schematic diagram of the present invention;
Fig. 5 is the circuit theory diagrams of duplexer of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
With reference to shown in Fig. 1-Fig. 5, a kind of interphone repeater, comprises housing 1 and the transceiver controller (not shown) that is loaded in described housing 1 and duplexer 2; Described transceiver controller is electrically connected with described duplexer 2, and described duplexer 2 comprises duplexing surface-mounted integrated circuit 21, the metal porous duplexing groove 11 that is installed on emission filter 22 on described duplexing surface-mounted integrated circuit 21 and receiving filter 23 and covers on described transmitting filter 22 and receiving filter 23; Described emission filter 22 and described receiving filter 23 are band stop filter, and this band stop filter is form LC filter circuit by electric capacity and inductance coil.Described emission filter 22 and described receiving filter 23 comprise several coil 3 respectively, and the coil of described receiving filter 23 is the coil 32 that accepts filter, and the coil of described transmitting filter 22 is for sending filter coil 31; Described how metal porous duplexing groove 11 comprises several coil 3 cavity 111 one to one; The quantity sending filter coil 31 and the coil 32 that accepts filter can adjust according to the requirement of isolation, and in the present embodiment, the quantity sending filter coil 31 is four, and the quantity of the coil 32 that accepts filter is six.
Shown in Fig. 1-Fig. 5, described housing 1 comprises cap 12 and housing body 13, and described metal porous duplexing groove 11 is opened in described housing body 13.Described metal porous duplexing groove 11 selects the metal material not easily producing mutual inductance with coil 3 to make, we are known, aluminium alloy is a kind of metal material that can not reflect mutual inductance, and quality is light, low price, therefore described metal porous duplexing groove is preferably aluminium alloy porous duplex groove, and described shell 1 is aluminum alloy casing.The volume of LC filter circuit can do very little, but isolation decay not, therefore, in the present invention, lc circuit and duplexing groove 11 are combined, each is contained in coil 3 in cavity 111 with its corresponding cavity 111 in conjunction with formation air electric capacity, so both volume can be reduced, cavity can be utilized again to improve isolation, the volume of duplexer 2 can be reduced, be conveniently incorporated in repeater.
Shown in Fig. 1-Fig. 5, described duplexing surface-mounted integrated circuit 21 is formed by stacking by the first barricade 21a and secondary shielding plate 21b, and described duplexing surface-mounted integrated circuit 21 is divided into from lower to upper successively:
Bottom 211, be the bottom surface of secondary shielding plate 21b, this layer is components and parts layer, and described coil 3 is laid in this layer, the copper coin ground connection of described bottom;
Middle two layer 212, be the end face of secondary shielding plate 21b, the surrounding of this layer is laid with ground path 2121, and the centre of this layer is laid with some second coupling circuits 2122 and the connection line 2123 for being connected components and parts; Coupling capacitance is produced between described connection line 2123 and the second coupling circuit 2122 and ground path 2121; Further enhancing the isolation between each coil, and the receive-transmit isolation of whole duplexer 2, the volume of duplexer can further be reduced;
Middle one deck 213, be the bottom surface of the first barricade 21a, the surrounding of this layer is laid with ground path (not shown), and the centre of this layer is laid with some first coupling circuits (not shown); The corresponding superimposed connection of described first coupling circuit and described second coupling circuit;
Top layer 214 is the copper coin ground connection of the end face of the first barricade 21a, described top layer.
Described duplexing surface-mounted integrated circuit 21 offers along described first coupling circuit and the second coupling circuit 2122 groove 215 running through duplexing surface-mounted integrated circuit 21, conducting objects is filled with in described groove 215, first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to each other, improve the electrical efficiency of circuit.Described conducting objects is can be the conventional conductive metallic materials such as copper, silver, aluminium, and low being easy to of the fusing point due to scolding tin is filled, and can not produce mutual inductance with coil, is therefore preferably filled in dead slot as conducting objects with scolding tin.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an interphone repeater, is characterized in that: comprise housing and the transceiver controller that is loaded in described housing and duplexer; Described transceiver controller is electrically connected with described duplexer,
The metal porous duplexing groove that described duplexer comprises duplexing surface-mounted integrated circuit, be installed on emission filter on described duplexing surface-mounted integrated circuit and receiving filter and cover on described emission filter and receiving filter; Described emission filter and described receiving filter comprise several coil respectively, and described metal porous duplexing groove comprises several and described coil cavity one to one;
Described housing comprises cap and housing body, and described metal porous duplexing groove is opened in described housing body; Described duplexing surface-mounted integrated circuit is formed by stacking by the first barricade and secondary shielding plate, and described duplexing surface-mounted integrated circuit is divided into from lower to upper successively:
Bottom, be the bottom surface of secondary shielding plate, this layer is components and parts layer, and described coil is laid in this layer, the copper coin ground connection of described bottom;
Middle two layers, be the end face of secondary shielding plate, the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some second coupling circuits and the connection line for being connected components and parts; Coupling capacitance is produced between described connection line and the second coupling circuit and ground path;
Middle one deck, be the bottom surface of the first barricade, the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some first coupling circuits; The corresponding superimposed connection of described first coupling circuit and described second coupling circuit;
Top layer is the end face of the first barricade, the copper coin ground connection of described top layer.
2. a kind of interphone repeater as claimed in claim 1, it is characterized in that: described duplexing surface-mounted integrated circuit offers along described first coupling circuit and the second coupling circuit the groove running through duplexing surface-mounted integrated circuit, be filled with conducting objects in described groove, the first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to each other.
3. a kind of interphone repeater as claimed in claim 2, is characterized in that: described conducting objects is scolding tin.
4. a kind of interphone repeater according to any one of claim 1-3, is characterized in that: described metal porous duplexing groove is aluminium alloy porous duplex groove, and shell is aluminum alloy casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310389648.8A CN103441774B (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310389648.8A CN103441774B (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441774A CN103441774A (en) | 2013-12-11 |
| CN103441774B true CN103441774B (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310389648.8A Expired - Fee Related CN103441774B (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Country Status (1)
| Country | Link |
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| CN (1) | CN103441774B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253961B (en) * | 2016-07-27 | 2019-05-10 | 成举炳 | The control method of single-frequency radio communication recording window machine controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292331Y (en) * | 1997-03-04 | 1998-09-23 | 武汉市凡谷电子技术研究所 | Miniature ribbon wire band-reject diplexer |
| CN1972587A (en) * | 2005-11-25 | 2007-05-30 | 深圳富泰宏精密工业有限公司 | Shielding component and casing assembly of electronic device |
| WO2008027531A2 (en) * | 2006-09-01 | 2008-03-06 | Qualcomm Incorporated | Repeater having dual receiver or transmitter antenna configuration with adaptation for increased isolation |
| CN201290113Y (en) * | 2008-10-10 | 2009-08-12 | 北京易达瑞康通讯科技有限公司 | Multifunctional interface relay station |
| CN203445868U (en) * | 2013-08-30 | 2014-02-19 | 泉州宝捷电子有限公司 | Interphone repeater |
-
2013
- 2013-08-30 CN CN201310389648.8A patent/CN103441774B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292331Y (en) * | 1997-03-04 | 1998-09-23 | 武汉市凡谷电子技术研究所 | Miniature ribbon wire band-reject diplexer |
| CN1972587A (en) * | 2005-11-25 | 2007-05-30 | 深圳富泰宏精密工业有限公司 | Shielding component and casing assembly of electronic device |
| WO2008027531A2 (en) * | 2006-09-01 | 2008-03-06 | Qualcomm Incorporated | Repeater having dual receiver or transmitter antenna configuration with adaptation for increased isolation |
| CN201290113Y (en) * | 2008-10-10 | 2009-08-12 | 北京易达瑞康通讯科技有限公司 | Multifunctional interface relay station |
| CN203445868U (en) * | 2013-08-30 | 2014-02-19 | 泉州宝捷电子有限公司 | Interphone repeater |
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| Publication number | Publication date |
|---|---|
| CN103441774A (en) | 2013-12-11 |
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Granted publication date: 20150617 Termination date: 20170830 |