CN103441774A - Interphone repeater - Google Patents
Interphone repeater Download PDFInfo
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- CN103441774A CN103441774A CN2013103896488A CN201310389648A CN103441774A CN 103441774 A CN103441774 A CN 103441774A CN 2013103896488 A CN2013103896488 A CN 2013103896488A CN 201310389648 A CN201310389648 A CN 201310389648A CN 103441774 A CN103441774 A CN 103441774A
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- duplexing
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- 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 TKT talkie trunk device.
Background technology
Intercom system comprises hand transceiver and for increasing the repeater of the speech range between hand transceiver, existing trunk desk generally is comprised of transceiver controller and duplexer, duplexer, claim again antenna multicoupler, is more special two-way three end filters.Duplexer should be come in faint reception signal coupling, again will larger transmitting power be fed to antenna and gets on, and require both to complete separately its function and do not influence each other.General duplexer consists of the spiral cavity that shakes, because its operating frequency is high, the distributed constant impact is larger, often make a sealing body, for fear of the phase mutual interference that receives signal and transmitted signal, the receive-transmit isolation of duplexer requires at least to reach 70dB, this makes the coil of duplexer often make very greatly, this just causes the volume of duplexer often very large, causes that existing trunk desk volume is large, power consumption is large, Heavy Weight, is not suitable for mobile, Emergency use.
Summary of the invention
The present invention proposes a kind of TKT talkie trunk device, has solved existing TKT talkie trunk body long-pending large, is not suitable for mobile, Emergency use problem.
Technical scheme of the present invention is achieved in that
A kind of TKT talkie trunk device, comprise housing and be loaded on transceiver controller and the duplexer in described housing; Described transceiver controller is electrically connected to described duplexer, and described duplexer comprises duplexing surface-mounted integrated circuit, is installed on emission filter and the receiving filter on described duplexing surface-mounted integrated circuit and covers on the metal porous duplexing groove on described transmitting filter and receiving filter; Described emission filter and described receiving filter comprise respectively several coils, 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 on 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, and this layer is the components and parts layer, and described coil is laid in this layer, the copper coin ground connection of described bottom;
Middle two layers is the end face of secondary shielding plate, and the surrounding of this layer is laid with ground path, the centre of this layer be laid with some the second coupling circuits with for being connected the connection line of components and parts; Produce coupling capacitance between described connection line and the second coupling circuit and ground path;
Middle one deck, be the bottom surface of the first barricade, and the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some the first coupling circuits; The corresponding superimposed connection of described the first coupling circuit and described the second coupling circuit;
Top layer, be the end face of the first barricade, the copper coin ground connection of described top layer.
Further, offer along described the first coupling circuit and the second coupling circuit the groove that runs through duplexing surface-mounted integrated circuit on described duplexing surface-mounted integrated circuit, be filled with conducting objects in described groove, make the copper coin of the first coupling circuit, the second coupling circuit, top layer and the copper coin of bottom mutually be electrically connected to.
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 above description, compared with prior art, the present invention has following advantage in the present invention:
1, the present invention is incorporated into transceiver controller and duplexer in a housing, by offer metal porous duplexing groove on housing body, this metal porous duplexing groove is equivalent to the needed filtering cavity of duplexer, take full advantage of the housing of repeater, realize transceiver controller and duplexer are integrated in a housing.Each needs a power supply trunk desk originally and duplexer, and the present invention unites two into one the two, only needs a power supply to get final product, energy efficient.
2, duplexing surface-mounted integrated circuit of the present invention adopts two-layer barricade to be formed by stacking, utilize the top layer that the end face of the first barricade is duplexing surface-mounted integrated circuit, the bottom surface that utilizes the secondary shielding plate is bottom, and top layer and bottom be ground connection simultaneously, form a shielding protection net, reduce signal and disturb; Be provided with the first coupling circuit at middle one deck, middle two layers be provided with the second coupling circuit with for being connected the connection line of components and parts, owing between connection line and coupling circuit, having electrical potential difference, make between connection line and coupling circuit and produce coupling capacitance, further strengthen isolation between each coil and the receive-transmit isolation of whole duplexer, made the volume of duplexer further to dwindle.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is shell mechanism decomposing schematic representation of the present invention;
The structural representation that Fig. 2 is 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;
The circuit theory diagrams that Fig. 5 is duplexer of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Shown in Fig. 1-Fig. 5, a kind of TKT talkie trunk device, comprise housing 1 and be loaded on transceiver controller (not shown) and the duplexer 2 in described housing 1; Described transceiver controller is electrically connected to described duplexer 2, and described duplexer 2 comprises duplexing surface-mounted integrated circuit 21, is installed on emission filter 22 and the receiving filter 23 on described duplexing surface-mounted integrated circuit 21 and covers on the metal porous duplexing groove 11 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 to form the LC filter circuit by electric capacity and inductance coil.Described emission filter 22 and described receiving filter 23 comprise respectively several coils 3, 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 coils 3 cavity 111 one to one; The quantity that sends filter coil 31 and the coil 32 that accepts filter can be according to the requirement adjustment of isolation, and in the present embodiment, the quantity that sends 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 on described housing body 13.Described metal porous duplexing groove 11 selects the metal material that is difficult for 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 be done very littlely, but the isolation decay not, therefore, in the present invention, by lc circuit and 11 combinations of duplexing groove, each coil 3 be contained in cavity 111 forms an air electric capacity with its corresponding cavity 111 combinations, so both can reduce volume, can utilize again cavity to improve isolation, make the volume of duplexer 2 to dwindle, conveniently be 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:
Middle two layer 212 is the end face of secondary shielding plate 21b, and the surrounding of this layer is laid with ground path 2121, and the centre of this layer is laid with some the second coupling circuits 2122 and connection line 2123 for being connected components and parts; Produce coupling capacitance between described connection line 2123 and the second coupling circuit 2122 and ground path 2121; Further strengthened the isolation between each coil, and the receive-transmit isolation of whole duplexer 2, make the volume of duplexer further to dwindle;
Middle one deck 213, be the bottom surface of the first barricade 21a, and the surrounding of this layer is laid with ground path (not shown), and the centre of this layer is laid with some the first coupling circuits (not shown); The corresponding superimposed connection of described the first coupling circuit and described the second coupling circuit;
Top layer 214, be the end face of the first barricade 21a, the copper coin ground connection of described top layer.
Offer along described the first coupling circuit and the second coupling circuit 2122 groove 215 that runs through duplexing surface-mounted integrated circuit 21 on described duplexing surface-mounted integrated circuit 21, be filled with conducting objects in described groove 215, make the copper coin of the first coupling circuit, the second coupling circuit, top layer and the copper coin of bottom mutually be electrically connected to, improve the electrical efficiency of circuit.Described conducting objects is can be the conventional conductive metallic materials such as copper, silver, aluminium, because low being easy to of fusing point of scolding tin filled, and can not produce mutual inductance with coil, therefore preferably with scolding tin, as conducting objects, is filled in dead slot.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a TKT talkie trunk device, is characterized in that: comprise housing and be loaded on transceiver controller and the duplexer in described housing; Described transceiver controller is electrically connected to described duplexer,
Described duplexer comprises duplexing surface-mounted integrated circuit, is installed on emission filter and the receiving filter on described duplexing surface-mounted integrated circuit and covers on the metal porous duplexing groove on described transmitting filter and receiving filter; Described emission filter and described receiving filter comprise respectively several coils, 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 on described housing body.
2. a kind of TKT talkie trunk device as claimed in claim 1, it is characterized in that: 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, and this layer is the components and parts layer, and described coil is laid in this layer, the copper coin ground connection of described bottom;
Middle two layers is the end face of secondary shielding plate, and the surrounding of this layer is laid with ground path, the centre of this layer be laid with some the second coupling circuits with for being connected the connection line of components and parts; Produce coupling capacitance between described connection line and the second coupling circuit and ground path;
Middle one deck, be the bottom surface of the first barricade, and the surrounding of this layer is laid with ground path, and the centre of this layer is laid with some the first coupling circuits; The corresponding superimposed connection of described the first coupling circuit and described the second coupling circuit;
Top layer, be the end face of the first barricade, the copper coin ground connection of described top layer.
3. a kind of TKT talkie trunk device as claimed in claim 2, it is characterized in that: on described duplexing surface-mounted integrated circuit, along described the first coupling circuit and the second coupling circuit, offer the groove that runs through duplexing surface-mounted integrated circuit, be filled with conducting objects in described groove, make the copper coin of the first coupling circuit, the second coupling circuit, top layer and the copper coin of bottom mutually be electrically connected to.
4. a kind of TKT talkie trunk device as claimed in claim 3, it is characterized in that: described conducting objects is scolding tin.
5. a kind of TKT talkie trunk device as described as any one in claim 1-4 is characterized in that: described metal porous duplexing groove is aluminium alloy porous duplex groove, and described 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 true CN103441774A (en) | 2013-12-11 |
| CN103441774B 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 |
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| Country | Link |
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| CN (1) | CN103441774B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253961A (en) * | 2016-07-27 | 2016-12-21 | 成举炳 | Single-frequency radio communication recording window machine controller and control method thereof |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253961A (en) * | 2016-07-27 | 2016-12-21 | 成举炳 | Single-frequency radio communication recording window machine controller and control method thereof |
| CN106253961B (en) * | 2016-07-27 | 2019-05-10 | 成举炳 | The control method of single-frequency radio communication recording window machine controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103441774B (en) | 2015-06-17 |
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