CN203445868U - Interphone repeater - Google Patents
Interphone repeater Download PDFInfo
- Publication number
- CN203445868U CN203445868U CN201320538706.4U CN201320538706U CN203445868U CN 203445868 U CN203445868 U CN 203445868U CN 201320538706 U CN201320538706 U CN 201320538706U CN 203445868 U CN203445868 U CN 203445868U
- Authority
- CN
- China
- Prior art keywords
- duplexing
- layer
- groove
- integrated circuit
- filter
- 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
Links
Images
Abstract
The utility model provides an interphone repeater. Problems that a conventional interphone repeater has a large volume and is not suitable for movement and emergency use are solved. The interphone repeater provided by the utility model comprises a housing, a transmitting-receiving controller and a diplexer both arranged inside the housing. The transmitting-receiving controller and the diplexer are electrically connected. The diplexer comprises a duplex integrated circuit board, an emitting filter and a receiving filter arranged on the duplex integrated circuit board and a metal multi-hole duplex groove covering the emitting filter and the receiving filter. The emitting filter and the receiving filter respectively comprise a plurality of coils. The metal multi-hole duplex groove comprises a plurality of hollow chambers corresponding to the coils in a one-to-one way. The housing comprises a housing cover and a housing main body. The metal multi-hole duplex groove is arranged on the housing main body.
Description
Technical field
The utility model 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 is generally comprised of transceiver controller and duplexer, duplexer, claims again antenna multicoupler, is more special two-way three end filters.Duplexer should be come in faint reception signal coupling, again larger transmitting power is 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, 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.
Utility model content
The utility model proposes a kind of TKT talkie trunk device, solved existing TKT talkie trunk body long-pending large, be not suitable for mobile, Emergency use problem.
The technical solution of the utility model is achieved in that
A device, comprises housing and is 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 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, is the bottom surface of secondary shielding plate, and 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 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; Between described connection line and the second coupling circuit and ground path, produce coupling capacitance;
Middle one deck, is 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, is the end face of the first barricade, the copper coin ground connection of described top layer.
Further, 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, in described groove, be filled with conducting objects, the first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to mutually.
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, the utility model compared with prior art, the utlity model has following advantage:
1, the utility model is incorporated into transceiver controller and duplexer in a housing, by offer metal porous duplexing groove in 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 utility model unites two into one the two, only needs a power supply, energy efficient.
2, duplexing surface-mounted integrated circuit of the present utility model 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 secondary shielding plate is bottom, and top layer and bottom be ground connection simultaneously, form a shielding protection net, reduce signal and disturb; At middle one deck, be provided with the first coupling circuit, middle two layers be provided with the second coupling circuit with for being connected the connection line of components and parts, owing to having electrical potential difference between connection line and coupling circuit, make to produce coupling capacitance between connection line and coupling circuit, further strengthened isolation between each coil and the receive-transmit isolation of whole duplexer, the volume of duplexer can further be dwindled.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is shell mechanism decomposing schematic representation of the present utility model;
Fig. 2 is the structural representation of duplexing surface-mounted integrated circuit of the present utility model;
Fig. 3 is fabric schematic diagram of the present utility model;
Fig. 4 is middle two-layer structure schematic diagram of the present utility model;
Fig. 5 is the circuit theory diagrams of duplexer 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 clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-Fig. 5, a kind of TKT talkie trunk device, comprises housing 1 and is 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 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 in 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 isolation decay not, therefore, in the utility model, by lc circuit and 11 combinations of duplexing groove, each coil 3 being 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, the volume of duplexer 2 can be dwindled, 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:
Bottom 211, is the bottom surface of secondary shielding plate 21b, and 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 is the end face of secondary shielding plate 21b, and the surrounding of this layer is laid with ground path 2121, the centre of this layer be laid with some the second coupling circuits 2122 with for being connected the connection line 2123 of components and parts; Between described connection line 2123 and the second coupling circuit 2122 and ground path 2121, produce coupling capacitance; Further strengthened the isolation between each coil, and the receive-transmit isolation of whole duplexer 2, the volume of duplexer can further be dwindled;
Middle one deck 213, is 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, is the end face of the first barricade 21a, the copper coin ground connection of described top layer.
On described duplexing surface-mounted integrated circuit 21, along described the first coupling circuit and the second coupling circuit 2122, offer the groove 215 that runs through duplexing surface-mounted integrated circuit 21, in described groove 215, be filled with conducting objects, the first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to mutually, 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 utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
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 in described housing body.
2. a kind of TKT talkie trunk device as claimed in claim 1, 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, is the bottom surface of secondary shielding plate, and 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 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; Between described connection line and the second coupling circuit and ground path, produce coupling capacitance;
Middle one deck, is 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, is 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, in described groove, be filled with conducting objects, the first coupling circuit, the second coupling circuit, the copper coin of top layer and the copper coin of bottom are electrically connected to mutually.
4. a kind of TKT talkie trunk device as claimed in claim 3, is characterized in that: described conducting objects is scolding tin.
5. a kind of TKT talkie trunk device as described in 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 |
|---|---|---|---|
| CN201320538706.4U CN203445868U (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538706.4U CN203445868U (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445868U true CN203445868U (en) | 2014-02-19 |
Family
ID=50096880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538706.4U Expired - Fee Related CN203445868U (en) | 2013-08-30 | 2013-08-30 | Interphone repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441774A (en) * | 2013-08-30 | 2013-12-11 | 泉州宝捷电子有限公司 | Interphone repeater |
-
2013
- 2013-08-30 CN CN201320538706.4U patent/CN203445868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441774A (en) * | 2013-08-30 | 2013-12-11 | 泉州宝捷电子有限公司 | Interphone repeater |
| CN103441774B (en) * | 2013-08-30 | 2015-06-17 | 泉州宝捷电子有限公司 | Interphone repeater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2017245293A1 (en) | System for Wireless Distribution of Power | |
| CN104795643B (en) | Full frequency band antenna system of mobile phone | |
| CN103441333B (en) | Synchronous dual-frequency circuit board radiating antenna | |
| CN103516842B (en) | USB interface shell commutation circuit in equipment with antenna | |
| US20130278470A1 (en) | Communication apparatus | |
| CN102629782A (en) | Contactless power transmission device | |
| CN203445868U (en) | Interphone repeater | |
| CN107331959A (en) | A kind of small size double frequency WIFI antenna MIMO systems | |
| CN206134949U (en) | On -vehicle combined antenna | |
| CN103441774B (en) | Interphone repeater | |
| CN105428789A (en) | Antenna and electronic terminal including the antenna | |
| CN205645459U (en) | Transformer is used to small -size charging | |
| CN105406609B (en) | A kind of electric energy receives structure and radio energy receiving module | |
| CN105552520A (en) | Antenna and electronic terminal comprising same | |
| CN207353454U (en) | Composite antenna apparatus and mobile terminal | |
| CN204596973U (en) | A kind of satellite feed assembly | |
| CN105162431A (en) | Broadband surface-mounted EMI filter for suppressing electromagnetic interference | |
| CN203327360U (en) | 3G portable mobile terminal circuit board | |
| CN201774107U (en) | High-performance anti-interference filtering connector | |
| CN205248923U (en) | Electric energy receiver structure and wireless power receiving module | |
| CN203423256U (en) | Synchronous dual-frequency circuit board radiating antenna | |
| CN204464054U (en) | A kind of noinductive capacitor | |
| CN202068186U (en) | Combined type filter used for shielding shelter power and signal of low-leakage current | |
| CN203734632U (en) | Electromagnetic interference filter suitable for high voltage Hall voltage sensor | |
| CN106094984A (en) | The distance sensing device of a kind of smart machine and smart machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |