CN204761418U - Antenna assembly, active signal output device and antenna system - Google Patents
Antenna assembly, active signal output device and antenna system Download PDFInfo
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- CN204761418U CN204761418U CN201520353828.5U CN201520353828U CN204761418U CN 204761418 U CN204761418 U CN 204761418U CN 201520353828 U CN201520353828 U CN 201520353828U CN 204761418 U CN204761418 U CN 204761418U
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Abstract
The utility model provides an antenna assembly, active signal output device and antenna system, wherein antenna assembly (1) includes: an antenna (12), set up in radio frequency device (11) on antenna (12), radio frequency device (11) including a casing (114) and all hold in casing (114) an inside receiving and dispatching letter board (111), power amplifier (112) and wave filter (113), wherein power amplifier (112) connect in receiving and dispatching letters boards (111) with between wave filter (113), radio frequency device (11) through cable wiring, are connected to one and are used for setting up the active output device on the iron tower platform, active output device include power subsystem (21) and connect in the interface intermediate frequency control panel (22) of power subsystem (21). Alleviate the weight of antenna like this, reduced the burden of armful pole, also made things convenient for the independent formation and the manufacturing of antenna assembly.
Description
Technical field
The utility model relates to wireless domain, particularly relates to a kind of antenna assembly, active signal output device and antenna system.
Background technology
Current wireless points system (RadioDotSystem) is actually a kind of intermediate frequency remote technology, IRU (IndoorRFunit, indoor radio frequency unit) and Dot (RadioDot, wireless points) distance have reach tens meters, by IRU (IndoorRFunit, indoor radio frequency unit) light signal is changed into medium frequency electric signal, then the signal of telecommunication is sent to the wireless points (RadioDot) of far-end by netting twine.
Utility model content
The object of the utility model embodiment is to provide a kind of antenna assembly, active signal output device and antenna system, not only alleviates the weight of antenna, and decreases the burden of pole, also facilitates independent generation and the manufacture of antenna assembly simultaneously.
To achieve these goals, a kind of antenna assembly 1 that the utility model embodiment provides, comprising:
One antenna 12;
Be arranged at the radio-frequency unit 11 on described antenna 12;
Described radio-frequency unit 11 comprises a housing 114, all be contained in a board for receiving and sending message 111 of described housing 114 inside, power amplifier 112 and filter 113, wherein said power amplifier 112 is connected between described board for receiving and sending message 111 and described filter 113;
Described radio-frequency unit 11, by a cable, is connected to one for being arranged at the active output device on steel tower platform, and described active output device comprises power subsystem 21 and is connected to the interface IF control board 22 of described power subsystem 21.
Further, described housing 114 comprises and being opened on described housing 114, connects the first opening 42 of described cable;
By being connected to the cable on described active output device, wearing described first opening 42 and connecting described radio-frequency unit 11.
Further, described radio-frequency unit 11 is arranged at the top of described antenna 12.
Further, the housing 114 of described radio-frequency unit 11 comprises the first surface that is provided with the radio frequency out splice going splice 41 of described filter 113;
Described antenna 12 comprises and being positioned on described antenna 12, and is connected to the end face 122 on described radio-frequency unit 11, described end face 122 has the radio frequency termination 121 of matching with described radio frequency out splice going splice 41;
The area of described first surface is greater than the area of described end face 122.
Wherein, described antenna assembly 1 also comprises:
Be arranged at the hermetically-sealed construction between described radio-frequency unit 11 and described antenna 12, wherein said hermetically-sealed construction is around the periphery of described radio frequency termination 121, and the mating shapes of the shape of described hermetically-sealed construction and described antenna end face 122, or the shape of described hermetically-sealed construction is annular.
Further, the housing 114 of described radio-frequency unit 11 is provided with multiple first installing hole;
Described antenna assembly 1 also comprises:
Be sheathed on the interface arrangment 5 on described antenna 12, wherein said interface arrangment 5, there is the second installing hole 51 matched with described first installing hole;
Described second installing hole, by syndeton, is connected on described first installing hole.
In a kind of active signal output device 2 of the utility model embodiment, comprising:
One power subsystem 21 that power supply is provided;
At least one the interface IF control board 22 be connected with described power subsystem 21;
One for coordinating the output device housing installed with steel tower platform, described output device enclosure interior accommodates described power subsystem 21 and described interface IF control board 22;
Described power subsystem 21 and described interface IF control board 22, be connected with an antenna assembly 1 respectively by cable, the radio-frequency unit 11 that wherein said antenna assembly 1 comprises an antenna 12 and is arranged on described antenna 12.
Further, described output device housing comprises and being opened on described output device housing, connects the second opening of described cable;
Described power subsystem 21 and described interface IF control board 22, all wear described second opening by cable, is connected with an antenna assembly 1.
Further, described cable comprises the power line being connected to described power subsystem 21 and the intermediate-freuqncy signal cable being connected to described interface IF control board 22.
Wherein, described output device housing also comprises: be opened in the 3rd opening on output device housing and the 4th opening respectively;
Described interface IF control board, by described 3rd opening, is connected with baseband processing unit; Described interface IF control board, by described 4th opening, is connected with power supply unit.
Accordingly, the utility model embodiment also provides a kind of antenna system, comprising:
Active signal output device 2 described above, described active signal output device 2 is arranged on base station iron tower platform; And,
Antenna assembly 1 described above, described antenna assembly 1 is installed on the pole 8 of base station iron tower platform.
The beneficial effect of the technique scheme of the utility model embodiment is as follows:
In the scheme of the utility model embodiment, radio-frequency unit comprises 3 parts of board for receiving and sending message, power amplifier and filter, then radio-frequency unit is together with antenna combination, form antenna assembly, then antenna assembly can coordinate with interface IF control board and power subsystem, after the interface IF control board on antenna and power subsystem being split like this, thus alleviates the weight of antenna, decrease the burden of pole, also facilitate independent generation and the manufacture of antenna assembly.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the antenna system of the utility model embodiment;
Fig. 2 is the radio-frequency unit surface structure schematic diagram of the utility model embodiment;
Fig. 3 is the distribution schematic diagram of the radio-frequency unit inner member of the utility model embodiment;
Fig. 4 is the antenna assembly structural representation of the utility model embodiment;
Fig. 5 is the flange plate structure schematic diagram of the utility model embodiment;
Fig. 6 is the end view of the antenna of the utility model embodiment;
Fig. 7 is active signal output device structure and the scheme of installation of the utility model embodiment;
Fig. 8 is the base station equipment scheme of installation of the utility model embodiment.
Accompanying drawing illustrates:
1-antenna assembly, 11-radio-frequency unit, 111-board for receiving and sending message, 112-power amplifier, 113-filter, 114-housing, 41-radio frequency out splice going splice, 42-first opening, 12-antenna, 121-radio frequency termination, 122-end face, 2-active signal output device, 21-power subsystem, 22-interface IF control board, 31-baseband processing unit, 32-power supply unit, 5-interface arrangment, 51-second installing hole, 6-installing rack, 7-reserves seat in the plane, 8-pole, 91,92,93-cable.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment is for RRU (RadioRemoteUnit in prior art, far-end RF module) integral antenna, RRU is generally at the back side of antenna or at antenna bottom, but the bad process of the waterproof problem of integral antenna, and there is the heavier problem of antenna ratio.
The utility model embodiment provides a kind of antenna assembly, active signal output device and antenna system, power subsystem in RRU antenna and interface IF control board are split, as an independently part, be about to transmit part and separating of signal section is provided, then by boundling cable, two parts are connected, after interface IF control board in such RRU and power subsystem are separated, the structure of antenna is simplified, not only alleviate the weight of antenna, and waterproof measure is also better; Simultaneously on 1 steel tower platform, IF control board and the power subsystem of 3 communities concentrate in together, and are more conducive to integrated, resource-sharing, and optical module is unified to be used, and these measures can save cost, also maintain easily.
As shown in Figure 1 to Figure 3, a kind of antenna assembly 1 of the utility model embodiment, comprising:
One antenna 12;
Be arranged at the radio-frequency unit 11 on described antenna 12;
Described radio-frequency unit 11 comprises a housing 114, all be contained in a board for receiving and sending message 111 of described housing 114 inside, power amplifier 112 and filter 113, wherein said power amplifier 112 is connected between described board for receiving and sending message 111 and described filter 113;
Described radio-frequency unit 11, by a cable, is connected to one for being arranged at the active output device on steel tower platform, and described active output device comprises power subsystem 21 and is connected to the interface IF control board 22 of described power subsystem 21.
In the utility model embodiment, as shown in Figure 1, radio-frequency unit 11 comprises board for receiving and sending message 111, 3 parts of power amplifier 112 and filter 113, then radio-frequency unit 11 and antenna 12 are combined, form antenna assembly 1, then antenna assembly 1 coordinates with interface IF control board 22 and power subsystem 21, realize antenna 12 launch or receive electromagnetic wave, or the effect of converted electromagnetic wave, after like this interface IF control board 22 on antenna 12 and power subsystem 21 being split, thus alleviate the weight of antenna 12, decrease the burden of pole 8, also independent generation and the manufacture of antenna assembly 1 is facilitated.
The overall principle realized is: by the power supply of power supply unit 32, make power subsystem 21 by the electric current of the current conversion of power supply unit 32 needed for radio-frequency unit 11 and interface IF control board 22, power to radio-frequency unit 11 and interface IF control board 22, interface IF control board 22 is BBU (Basebandprocessingunit simultaneously, baseband processing unit 31) light signal that sends changes into medium frequency electric signal, then is sent to antenna assembly 1 with cable.
Also it should be noted that: because interface IF control board 22, power subsystem 21 and antenna assembly 1 are all on same steel tower platform, the cable therefore transmitting medium frequency electric signal is shorter.
In addition, power subsystem 21 is to the interchange of power supply unit 32 is converted to direct current, or the electric current of power supply unit 32 is carried out rectification process.
Further, the board for receiving and sending message 111 in described radio-frequency unit 11, power amplifier 112 and filter 113 assemblies, can have installation site as shown in Figure 3 may have other scheme.As long as but radio-frequency unit 11 is positioned at top, antenna 12 is positioned at the compound mode of below, all belongs to the protection range of the utility model embodiment.
In order to can the cable on active output device be connected to, can connect on the inner member of radio-frequency unit 11, therefore part cable is needed to be contained in housing 114, in the antenna assembly 1 of the utility model embodiment, described housing 114 comprises and being opened on described housing 114, connects the first opening 42 of described cable;
By being connected to the cable on described active output device, wearing described first opening 42 and connecting described radio-frequency unit 11.
In the utility model embodiment, described cable comprise interface IF control board 22 intermediate-freuqncy signal cable, connect the power line of power subsystem 21 and monitoring cable (meaning not shown in the figures out, but the watch-dog be herein connected with monitoring cable, with power supply unit 32 all in machine room, the function of monitoring warning can be transmitted), like this can by the signal transmission on active output device on radio-frequency unit 11 by cable chamber.
It should be noted that: above-mentioned cable chamber is housing 114 inside corresponding to radio-frequency unit 11 at the first opening 42, can hold the cavity of cable.
Traditional antenna is arranged on the back side of whole antenna assembly, because the radio frequency out splice going splice junction of antenna and prevention at radio-frequency port easily leaks, and antenna ratio is more heavy, easily bends, in the antenna assembly 1 of therefore the utility model embodiment, described radio-frequency unit 11 is arranged at the top of described antenna 12.
In order to the medium frequency electric signal received in radio-frequency unit 11 can be allowed, launched by antenna 12 after treatment, in the antenna assembly 1 of therefore the utility model embodiment, the housing 114 of described radio-frequency unit 11 comprises the first surface that is provided with the radio frequency out splice going splice 41 of described filter 113;
Described antenna 12 comprises and being positioned on described antenna 12, and is connected to the end face 122 on described radio-frequency unit 11, described end face 122 has the radio frequency termination 121 of matching with described radio frequency out splice going splice 41;
The area of described first surface is greater than the area of described end face 122.
In the utility model embodiment, the radio frequency output port in radio-frequency unit 11 is positioned at the bottom of radio-frequency unit 11, and the radio frequency termination 121 of antenna 12 is positioned at antenna 12 top (as shown in Figure 4).Area due to radio-frequency unit 11 first surface is greater than the area of antenna end face 122, radio-frequency unit 11 can be equivalent to make a cap-like structure, be sheathed on antenna 12, can be used for preventing antenna 12 from intaking, improve the useful life of antenna 12, also prevent the normal work affecting antenna 12 after water.
The radio frequency out splice going splice 41 of the housing 114 of described radio-frequency unit 11, with the radio frequency termination 121 of antenna 12 adopt can blindmate (blindmate is specially a sunk structure, and the method that described sunk structure inside has the projection contrary with depression direction connects.
In order to prevent radio-frequency unit 11 from intaking with the junction of antenna 12, the antenna assembly 1 of the utility model embodiment also comprises:
Be arranged at the hermetically-sealed construction between described radio-frequency unit 11 and described antenna 12, wherein said hermetically-sealed construction is around the periphery of described radio frequency termination 121, and the mating shapes of the shape of described hermetically-sealed construction and described antenna end face 122, or the shape of described hermetically-sealed construction is annular.
In the utility model embodiment, by adopting encapsulant by bottom radio-frequency unit 11 and between antenna 12 top, thus carry out water-proofing treatment.
It should be noted that described encapsulant can be sealing ring, described sealing ring can be arranged on antenna 12 prevention at radio-frequency port around, can be identical with the structure of antenna 12, also can be other shapes such as rectangle.In order to ensure good sealing effect, the shape of described hermetically-sealed construction and the shape of described antenna end face 122 suitable.
Firm in order to antenna 12 can be made to be connected with radio-frequency unit 11, prevent into water, in the antenna assembly 1 of the utility model embodiment, the housing 114 of described radio-frequency unit 11 is provided with multiple first installing hole simultaneously;
Described antenna assembly 1 also comprises:
Be sheathed on the interface arrangment 5 on described antenna 12, wherein said interface arrangment 5, there is the second installing hole 51 matched with described first installing hole;
Described second installing hole 51, by syndeton, is connected on described first installing hole.
In the utility model embodiment, described interface arrangment 5 can be ring flange (as shown in Figure 5), the size of the size of ring flange inner chamber and antenna 12 top (the antenna end face 122 namely in the utility model embodiment) matches (as shown in Figure 6), therefore ring flange can be socketed in the top outer of antenna 12, ring flange can be arranged in addition the second installing hole 51 on radio-frequency unit 11 simultaneously, like this radio-frequency unit 11 is arranged on above antenna 12, also can realizes the effect of waterproof.
It should be noted that: described syndeton can be fed through the first installing hole by bolt and the second installing hole 51 connects; described syndeton can refer to the helicitic texture all arranged on described first installing hole and described second installing hole 51; coordinated by both helicitic textures and connect; above-mentioned any one connected mode all belongs to the citing of the utility model embodiment; other similar modes all belong to the protection range of this all new embodiment, in this citing that differs.
Accordingly, a kind of active signal output device 2 of the utility model embodiment, comprising:
One power subsystem 21 that power supply is provided;
At least one the interface IF control board 22 be connected with described power subsystem 21;
One for coordinating the output device housing installed with steel tower platform, described output device enclosure interior accommodates described power subsystem 21 and described interface IF control board 22;
Described power subsystem 21 and described interface IF control board 22, be connected with an antenna assembly 1 respectively by cable, the radio-frequency unit 11 that wherein said antenna assembly 1 comprises an antenna 12 and is arranged on described antenna 12.
In the utility model embodiment, power subsystem 21 and interface IF control board 22 are located away from described antenna 12, the weight of former RRU antenna 12 can be alleviated.
It should be noted that, by by a power subsystem 21 and one, two or three interface IF control board 22 connect, and have not only saved the number of power subsystem 21, also can alleviate the weight of active signal output device 2.Concrete interface IF control board 22 and the annexation of power subsystem 21, can be integratedly connected on power subsystem 21 by three interface IF control board 22, also can be that three interface IF control board 22 are connected on power subsystem 21.
Further, and the installing rack 6 of steel tower platform there is multiple reserved seat in the plane 7 (three reserved seats in the plane as shown in Figure 7), in arbitrary reserved seat in the plane, source signal output device 2 is installed wherein.
Because cable is connected on antenna assembly 1 by needs, in the active signal output device 2 of therefore the utility model embodiment,
Described output device housing comprises and being opened on described output device housing, connects the second opening of described cable;
Described power subsystem 21 and described interface IF control board 22, wear described second opening respectively by cable, is connected with an antenna assembly 1.
In the utility model embodiment, corresponding to the output device enclosure interior of described second opening, there is the container cavity that can be held cable, the reliability that cable connects can be ensured like this.
Concrete, described cable comprises the power line being connected to described power subsystem 21 and the intermediate-freuqncy signal cable being connected to described interface IF control board 22.
Due to except will, by medium frequency electric Signal transmissions to antenna assembly 1, also need to power to antenna assembly 1, in the active signal output device 2 of therefore the utility model embodiment,
Described output device housing also comprises: be opened in the 3rd opening on output device housing and the 4th opening respectively;
Described interface IF control board 22, by described 3rd opening, is connected with baseband processing unit 31; Described interface IF control board 22, by described 4th opening, is connected with power supply unit 32.
The utility model embodiment also provides a kind of antenna system, comprising:
Above-mentioned active signal output device 2, described active signal output device 2 is arranged on base station iron tower platform; And,
Above-mentioned antenna assembly 1, described antenna assembly 1 is installed on the pole 8 of base station iron tower platform.
In the utility model embodiment, as shown in Figure 7,4 represent the interface IF control board 22 of 3 communities and power subsystem 21, are made up of the interface IF control board 22 of (being generally community, 3, a base station) of 3 communities and power subsystem 21.1 installing rack 6 placed by each steel tower platform, and the intermediate frequency process on this platform and power subsystem 21 are all fixed on installing rack 6, facilitate centralized maintenance.
Concrete, described connection cable comprises intermediate-freuqncy signal cable, power line and monitoring cable etc., and these cables can be made into boundling cable.On 1 steel tower platform, all interface IF control board 22 (carrying out intermediate frequency process by interface IF control board 22) and power subsystem 21 are arranged in 1 installing rack 6, such as three interface IF control board 22 control three communities, can by three bunched cables 91 of three communities, 92,93 (as shown in Figure 8), be connected respectively the antenna assembly 1 in three communities.Like this by employing 1 boundling cable is connected on the antenna assembly 1 of a community, not only maintain easily, and after the weight of active antenna 12, alleviate the burden of pole 8.
Accordingly due to active signal output device 2 and the antenna assembly 1 of the utility model embodiment, be applied to antenna system, therefore, the utility model embodiment still provides a kind of antenna system, wherein, the described embodiment that realizes of above-mentioned active signal output device 2 and antenna assembly 1 is all applicable in the embodiment of this antenna system, also can reach identical technique effect.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (11)
1. an antenna assembly (1), is characterized in that, comprising:
One antenna (12);
Be arranged at the radio-frequency unit (11) on described antenna (12);
Described radio-frequency unit (11) comprises a housing (114), all be contained in the inner board for receiving and sending message (111) of described housing (114), power amplifier (112) and filter (113), wherein said power amplifier (112) is connected between described board for receiving and sending message (111) and described filter (113);
Described radio-frequency unit (11), by a cable, be connected to one for being arranged at the active output device on steel tower platform, described active output device comprises power subsystem (21) and is connected to the interface IF control board (22) of described power subsystem (21).
2. antenna assembly according to claim 1 (1), is characterized in that,
Described housing (114) comprises and being opened on described housing (114), connects first opening (42) of described cable;
By being connected to the cable on described active output device, wearing described first opening (42) and connecting described radio-frequency unit (11).
3. antenna assembly according to claim 1 (1), is characterized in that,
Described radio-frequency unit (11) is arranged at the top of described antenna (12).
4. the antenna assembly (1) according to any one of claims 1 to 3, is characterized in that,
The housing (114) of described radio-frequency unit (11) comprises the first surface that is provided with the radio frequency out splice going splice (41) of described filter (113);
Described antenna (12) comprises and is positioned on described antenna (12), and the end face (122) be connected on described radio-frequency unit (11), described end face (122) has the radio frequency termination (121) of matching with described radio frequency out splice going splice (41);
The area of described first surface is greater than the area of described end face (122).
5. antenna assembly according to claim 4 (1), is characterized in that,
Described antenna assembly (1) also comprises:
Be arranged at the hermetically-sealed construction between described radio-frequency unit (11) and described antenna (12), wherein said hermetically-sealed construction is around the periphery of described radio frequency termination (121), and the mating shapes of the shape of described hermetically-sealed construction and described antenna end face (122), or the shape of described hermetically-sealed construction is annular.
6. the antenna assembly (1) according to any one of claims 1 to 3, is characterized in that,
The housing (114) of described radio-frequency unit (11) is provided with multiple first installing hole;
Described antenna assembly (1) also comprises:
Be sheathed on the interface arrangment (5) on described antenna (12), wherein said interface arrangment (5), there is the second installing hole (51) matched with described first installing hole;
Described second installing hole, by syndeton, is connected on described first installing hole.
7. an active signal output device (2), is characterized in that, comprising:
One power subsystem (21) that power supply is provided;
At least one the interface IF control board (22) be connected with described power subsystem (21);
One for coordinating the output device housing installed with steel tower platform, described output device enclosure interior accommodates described power subsystem (21) and described interface IF control board (22);
Described power subsystem (21) and described interface IF control board (22), be connected with an antenna assembly (1) respectively by cable, wherein said antenna assembly (1) comprises an antenna (12) and is arranged at the radio-frequency unit (11) on described antenna (12).
8. active signal output device (2) according to claim 7, is characterized in that,
Described output device housing comprises and being opened on described output device housing, connects the second opening of described cable;
Described power subsystem (21) and described interface IF control board (22), all wear described second opening by cable, is connected with an antenna assembly (1).
9. the active signal output device (2) according to claim 7 or 8, is characterized in that,
Described cable comprises the power line being connected to described power subsystem (21) and the intermediate-freuqncy signal cable being connected to described interface IF control board (22).
10. the active signal output device (2) according to claim 7 or 8, is characterized in that,
Described output device housing also comprises: be opened in the 3rd opening on output device housing and the 4th opening respectively;
Described interface IF control board, by described 3rd opening, is connected with baseband processing unit; Described interface IF control board, by described 4th opening, is connected with power supply unit.
11. 1 kinds of antenna systems, is characterized in that, comprising:
Active signal output device (2) as claimed in claim 7, described active signal output device (2) is arranged on base station iron tower platform; And,
Antenna assembly as claimed in claim 1 (1), described antenna assembly (1) is installed on the pole (8) of base station iron tower platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353828.5U CN204761418U (en) | 2015-05-28 | 2015-05-28 | Antenna assembly, active signal output device and antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353828.5U CN204761418U (en) | 2015-05-28 | 2015-05-28 | Antenna assembly, active signal output device and antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761418U true CN204761418U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520353828.5U Active CN204761418U (en) | 2015-05-28 | 2015-05-28 | Antenna assembly, active signal output device and antenna system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204761418U (en) |
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2015
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