CN112713401B - 5G new system antenna circuit board - Google Patents
5G new system antenna circuit board Download PDFInfo
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- CN112713401B CN112713401B CN202011525129.6A CN202011525129A CN112713401B CN 112713401 B CN112713401 B CN 112713401B CN 202011525129 A CN202011525129 A CN 202011525129A CN 112713401 B CN112713401 B CN 112713401B
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- 230000005855 radiation Effects 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 9
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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Abstract
The invention discloses a 5G new system antenna circuit board, which comprises a circuit board fixing shell, wherein a PCB (printed circuit board) laminate can be rotatably arranged on the circuit board fixing shell, an antenna fixing substrate is fixedly arranged on the PCB laminate through a fixing piece, a plurality of antenna assemblies are arranged on the antenna fixing substrate, a gain adjusting assembly is also arranged on one side of each antenna assembly and positioned on the antenna fixing substrate, and the gain adjusting assembly is used for adjusting the physical structure of the antenna gain on the antenna assembly; the radiation management circuit is electrically connected with each antenna component and is used for selecting at least one antenna component to be conducted as a working antenna; the gain adjusting circuit is electrically connected with the gain adjusting assembly and the control unit of the PCB laminate, the gain adjusting circuit is used for controlling the gain adjusting assembly and supporting the gain adjusting assembly to realize the function of adjusting the physical structure of the antenna gain on the antenna assembly, and the gain adjusting circuit is also used for controlling the control unit of the PCB laminate and supporting the PCB laminate to rotate so as to adjust the direction of the antenna assembly.
Description
Technical Field
The invention relates to an antenna circuit board of a 5G new system.
Background
Among the related prior arts, the closest technology to the present application is chinese utility model patent CN201921797369.4, which discloses an outdoor Customer Premise Equipment for 5G, that is, an outdoor CPE (Customer Premise Equipment), which includes: the body at least comprises a printed circuit board, a radiating fin group, a heating fin group, an SIM card holder, a radio frequency cable and a 5G communication module; the cable interface of the antenna module is connected with the radio frequency cable and is detachably connected with the body; the antenna module is a high-gain antenna module or a low-gain antenna module. The key of the technology is that the configuration of the antenna module and the body can be adjusted according to the requirements of different areas, so that the problem of poor signals can be solved, and the problem of high operation cost can be considered; in specific details, the antenna module is detachably connected with the body, antennas with different gains can be adjusted according to requirements of base station erection in different areas, for example, low-gain antennas are adopted at dense positions of the base stations to be matched with the body, the cost is reduced, high-gain antennas are adopted at sparse positions of the base stations to increase the transmitting power, and the local conditions are met, so that the cost of the front equipment of a customer is reduced to the minimum at a user position, in addition, the network access of an operator is facilitated, the antenna module is detachably connected with the body, the antennas with different gains can be matched with the same body, under the condition that the body is not changed, the antennas with different gains are matched and installed, the signal transmitting power is distributed to the 5G outdoor CPE as required, the body only needs to be opened with one set of mold, the antenna molds with different sizes can be matched and the effects of lowest cost and widest compatibility are achieved; even though the above-mentioned technology has certain advantages and application prospects in implementation, there are many problems in practical application, for example, the important problem is that the construction of 5G base stations is constantly changed and developed, and is important, and the base station density is generally more and more intensive in most cases, so in general, in a certain area, more and more general base stations are provided, and in order to make the network experience of users better, the outdoor CPE needs to be upgraded for a certain period of time, and in general, the antenna gain of the outdoor CPE is reduced to improve the radiation directivity thereof; in addition, in some special cases, for a certain area, there are also cases that there are fewer base stations, in which case the antenna gain of the outdoor CPE needs to be increased, and the radiation directivity thereof is affected accordingly; in general, the larger the antenna gain, the stronger the radiation directivity of the antenna, and the weaker the omni-directionality; although the outdoor client front-end equipment of 5G in the above technology is designed in practice to be capable of replacing antennas with different gains, the replacement is complicated, especially the replacement is not automated but needs to be done manually, and the replaced antennas cannot be sold again, which actually increases the cost; in addition, the above-mentioned technology or similar technologies usually do not pay attention to the radiation directivity after the gain modification of the antenna, especially do not pay attention to, the radiation omni-directionality becomes weak after the antenna gain is increased, and actually the network experience of the user is also affected, so a 5G outdoor client front-end device technology capable of changing the antenna gain in a true sense and paying attention to the influence of the antenna radiation directivity after the gain modification is needed; in addition, it would be a great advance in the art if the antenna gain could be changed automatically at the antenna end.
Disclosure of Invention
In order to realize the purpose of the invention, the invention adopts the following technical scheme: the 5G new system antenna circuit board comprises a circuit board fixing shell, wherein a PCB (printed circuit board) laminate can be rotatably arranged on the circuit board fixing shell, an antenna fixing substrate is fixedly arranged on the PCB laminate through a fixing piece, a plurality of antenna assemblies are arranged on the antenna fixing substrate, a gain adjusting assembly is also arranged on one side of each antenna assembly and positioned on the antenna fixing substrate, and the gain adjusting assembly is used for adjusting the physical structure of the antenna gain on each antenna assembly; a radiation management circuit, a control circuit and a gain adjustment circuit are fixedly arranged on one side of the PCB laminate, the control circuit is electrically connected with the radiation management circuit, the control circuit is electrically connected with the gain adjustment circuit, and the radiation management circuit is electrically connected with each antenna component and is used for selecting at least one antenna component to be conducted as a working antenna; the gain adjusting circuit is electrically connected with the gain adjusting component and the control unit of the PCB layer plate, the gain adjusting circuit is used for controlling the gain adjusting component and supporting the gain adjusting component to realize the function of adjusting the physical structure of the antenna gain on the antenna component, and the gain adjusting circuit is also used for controlling the control unit of the PCB layer plate and supporting the PCB layer plate to rotate so as to adjust the direction of the antenna component.
Further, the radiation management circuit is configured to periodically or conditionally acquire a signal corresponding to the latest distribution information of the base station from the antenna assembly and send the signal to the control circuit, and the control circuit is configured to generate an antenna direction and a gain adjustment signal according to the latest distribution information of the base station and send the signal to the gain adjustment circuit; the gain adjustment circuit is configured to specifically control the gain adjustment assembly according to the antenna direction and the gain adjustment signal, and the gain adjustment circuit is configured to specifically control the control unit of the PCB laminate according to the antenna direction and the gain adjustment signal.
Furthermore, the antenna assembly comprises a spiral antenna body and a first adjusting rod which are arranged in parallel, a first antenna end and a second antenna end are arranged at two ends of the spiral antenna body, the first antenna end is fixedly connected with a first insulation fixing frame, the antenna assembly is fixedly connected with a second insulation fixing frame, one end of the first adjusting rod is rotatably and fixedly connected with the first insulation fixing frame, the other end of the first adjusting rod penetrates through a threaded sleeve arranged on the second insulation fixing frame and then is connected with a reference end of the second adjusting rod through a telescopic piece, and a non-reference end of the second adjusting rod penetrates through a rod fixing shaft seat and then is fixedly connected with a micro adjusting gear; the inner wall of the threaded sleeve and the outer wall of the first adjusting rod at the contact part of the threaded sleeve are both provided with threads, so that when the first adjusting rod rotates relative to the threaded sleeve, the length of the first adjusting rod between the threaded sleeve and the first insulating fixing frame can also change.
Further, the extensible member include two sections of bodies of rod, one section of the body of rod and first adjusting lever fixed connection wherein, another section of the body of rod and second adjusting lever fixed connection, through flexible groove and telescopic link swing joint between two sections of bodies of rod, flexible groove is the hollow tube structure of cross-section rectangle, corresponding telescopic link is the solid bar structure of cross-section rectangle, the telescopic link can insert flexible inslot, the cross-section rectangle diagonal of telescopic link/flexible groove equals, and the cross-section rectangle diagonal length of telescopic link/flexible groove is less than the external diameter length of the body of rod to make, can drive another section of the body of rod rotatory when one section of the body of rod is rotatory, and the degree of depth that the telescopic link inserted flexible groove can change simultaneously.
Furthermore, the gain adjusting assembly comprises a driving rod, one end of the driving rod is fixed on a first electromagnetic fixed shaft seat, the other end of the driving rod passes through a second electromagnetic fixed shaft seat and is connected with an output shaft of the first stepping motor, a second slidable gear and a first slidable gear are slidably inserted between the first electromagnetic fixed shaft seat and the second electromagnetic fixed shaft seat, the first electromagnetic fixed shaft seat/the second electromagnetic fixed shaft seat is provided with an electromagnetic coil structure, and the corresponding second slidable gear/the first slidable gear are made of neodymium iron materials, so that magnetic force generated by electrifying the first electromagnetic fixed shaft seat/the second electromagnetic fixed shaft seat can act on the second slidable gear/the first slidable gear and drive the second slidable gear/the first slidable gear to change the position on the driving rod; when the first stepping motor is rotated, the driving lever/the second slidable gear/the first slidable gear is rotated therewith.
Further, the specific connection between the antenna assembly and the gain adjustment assembly is as follows: the micro-adjusting gear end of each antenna component is arranged close to the driving rod, the second slidable gear is arranged between the two micro-adjusting gears on the middle portion and one side, the first slidable gear is arranged between the two micro-adjusting gears on the middle portion and the other side, so that the second slidable gear can be close to the micro-adjusting gear on the middle portion or one side and meshed with the micro-adjusting gear through teeth after being driven by magnetic force, the micro-adjusting gear on the middle portion or the other side and meshed with the micro-adjusting gear after being driven by magnetic force, and the second slidable gear/the first slidable gear can be driven to rotate by the micro-adjusting gear after being meshed with the micro-adjusting gear through teeth, when the output shaft of the first stepping motor and the driving rod rotate, the second slidable gear/the first slidable gear can drive the micro-adjusting gear to rotate, so that the length of the first adjusting rod between the threaded sleeve and the first insulating fixing frame is adjusted, and further the physical structure of the spiral antenna body is adjusted and the corresponding antenna gain is changed.
Furthermore, the control unit of the PCB laminate comprises a fixed turntable, a crankshaft and a second stepping motor, wherein the second stepping motor is fixed on the circuit board fixing shell, the fixed turntable is fixed on the PCB laminate, the crankshaft is fixedly connected with an output shaft of the second stepping motor, and the crankshaft is also fixedly connected with a middle shaft of the fixed turntable, so that when the output shaft of the second stepping motor rotates, the fixed turntable and the PCB laminate connected with the fixed turntable rotate along with the fixed turntable, and the direction of the antenna assembly is supported and adjusted.
Furthermore, each spiral antenna body is electrically connected with a radiation control branch line, and the radiation control branch lines are electrically connected with the radiation management circuit through the radiation control bus so as to support the radiation management circuit to periodically or conditionally acquire signals corresponding to the latest distribution information of the base station from the antenna assembly.
The control system is characterized in that the first stepping motor, the first electromagnetic fixed shaft seat and the second electromagnetic fixed shaft seat are electrically connected with a gain adjustment control branch line, and a plurality of gain adjustment control branch lines are electrically connected with the gain adjustment circuit through a control bus to support the gain adjustment circuit to control the gain adjustment component; the gain adjusting circuit is also electrically connected with the second stepping motor through a steering control branch line so as to support the gain adjusting circuit to control the control unit of the PCB laminate.
The invention has the advantages that the gain of the antenna component can be finely adjusted through the gain adjusting component in case of need, the circuit configuration of the radiation management circuit to the antenna component also needs to be changed, the more suitable antenna component can be selected to be conducted through the radiation management circuit in case of need to realize the large-span antenna gain modification, and in addition, the rotation of the PCB laminate can be realized through the gain adjusting circuit to change the direction of the antenna component while the gain is modified; therefore, the antenna gain can be truly changed, and the influence of the radiation directivity of the antenna after the gain is modified can be also noticed, especially, the gain of the antenna is adjusted in a gradient manner from fine adjustment to large-span adjustment, automatic or semi-automatic adjustment can be actually realized, manual completion is not needed, and the problem of weak omni-directional radiation after the antenna gain is increased like in the traditional technology can be solved or relieved by controlling the PCB laminate to rotate so as to change the direction of the antenna assembly through the gain adjusting circuit. The method and the device can realize that the base station regularly or conditionally plays the radio signal corresponding to the latest distribution information as a trigger condition to automatically finish the modification of the antenna gain.
Description of the drawings:
FIG. 1 is a block diagram of an overall embodiment of the present application;
fig. 2 is a partial structural schematic diagram of the present application, specifically a structural schematic diagram of an antenna assembly;
fig. 3 is a partial schematic structural diagram of the present application, specifically a structural diagram of an antenna component and a gain adjustment component;
FIG. 4 is a partial schematic structural view of the present application, particularly a schematic structural view of the extendable element;
FIG. 5 is a partial schematic structural view of the present application, particularly a schematic structural view of the extendable element;
FIG. 6 is a schematic view of the overall structure of the present application, and in particular a more detailed structure of FIG. 1;
fig. 7 is a partial structural schematic diagram of the present application, and in particular, the partial structural schematic diagram of fig. 6.
In the figure, a circuit board fixing case 1; a PCB laminate 2; an antenna fixing substrate 3; a fixing member 4; a radiation management circuit 5; an antenna assembly 6; a gain adjustment component 7; a control circuit 8; a gain adjustment circuit 9; a helical antenna body 61; a first antenna end 62; a second antenna end 63; a first insulating holder 64; a first adjusting lever 65; a threaded sleeve 66; a second insulating mount 67; a telescoping member 68; a second adjusting lever 69; a rod fixing shaft seat 610; a micro adjustment gear 611; a first stepper motor 70; a driving lever 71; a first electromagnetic fixed shaft seat 72; a second slidable gear 74; a first slidable gear 75; a second electromagnetic fixed shaft seat 76; a rod 681; a telescopic groove 682; an expansion link 683; a fixed turntable 21; a crankshaft 22; a second stepping motor 23; the radiation control branch line 51; a radiation control bus 52; a control bus 90; a steering control branch line 91; the gain adjustment control leg 92.
Detailed Description
In specific implementation, the present application may be applied to 5G outdoor customer premises equipment, as shown in fig. 1, an embodiment of the present application includes a circuit board fixing case 1, a PCB layer board 2 is rotatably disposed on the circuit board fixing case 1, an antenna fixing substrate 3 is fixedly disposed on the PCB layer board 2 through a fixing member 4, a plurality of antenna assemblies 6 are disposed on the antenna fixing substrate 3, a gain adjustment assembly 7 is further disposed on the antenna fixing substrate 3 and on one side of the antenna assemblies 6, and the gain adjustment assembly 7 is used for adjusting a physical structure of antenna gain on the antenna assemblies 6; a radiation management circuit 5, a control circuit 8 and a gain adjustment circuit 9 are fixedly arranged on one side of the PCB layer plate 2, the control circuit 8 is electrically connected with the radiation management circuit 5, the control circuit 8 is electrically connected with the gain adjustment circuit 9, and the radiation management circuit 5 is electrically connected with each antenna component 6 and is used for selecting at least one antenna component 6 to be conducted as a working antenna; the gain adjusting circuit 9 is electrically connected with the gain adjusting component 7, the gain adjusting circuit 9 is also electrically connected with the control unit of the PCB layer plate 2, the gain adjusting circuit 9 is used for controlling the gain adjusting component 7 and supporting the gain adjusting component 7 to realize the function of adjusting the physical structure of the antenna gain on the antenna component 6, and the gain adjusting circuit 9 is also used for controlling the control unit of the PCB layer plate 2 and supporting the PCB layer plate 2 to rotate so as to adjust the direction of the antenna component 6.
In specific implementation, the different antenna assemblies 6 are configured to have different antenna gains, and the span is large, and for each independent antenna assembly 6, the physical structure of the antenna gain can also be finely adjusted through the gain adjustment assembly 7, so in implementation, in case of need, the gain of the antenna assembly 6 can be finely adjusted through the gain adjustment assembly 7, and meanwhile, the circuit configuration of the radiation management circuit 5 to the antenna assembly 6 also needs to be changed, in case of need, the radiation management circuit 5 can also select more suitable antenna assembly 6 to be conducted so as to implement antenna gain modification with large span, and in addition, the gain adjustment circuit 9 can also control the PCB laminate 2 to implement rotation of the PCB laminate 2 so as to change the direction of the antenna assembly 6 while modifying the gain; therefore, the antenna gain can be truly changed and the influence of the radiation directivity of the antenna after the gain modification can be noticed, especially, the gain of the antenna is adjusted in a gradient manner from fine adjustment to large-span adjustment, automatic or semi-automatic adjustment can be realized in practice without manual completion, and the problem of similar 'the radiation omni-directional weakening after the antenna gain is increased' in the traditional technology can be solved or relieved by 'controlling the PCB laminated plate 2 by the gain adjusting circuit 9 to realize the rotation of the PCB laminated plate 2 and further change the direction of the antenna assembly 6' in the application.
In a more specific implementation, in order to completely implement the gain modification of the antenna without being completed manually, the base station may periodically or conditionally play the latest distribution information after the base station is modified, the radiation management circuit 5 is configured to periodically or conditionally acquire a signal corresponding to the latest distribution information of the base station from the antenna assembly 6 and send the signal to the control circuit 8, and the control circuit 8 is configured to generate an antenna direction and a gain adjustment signal according to the latest distribution information of the base station and send the signal to the gain adjustment circuit 9; the gain adjusting circuit 9 is configured to specifically control the gain adjusting component 7 according to the antenna direction and the gain adjusting signal, and the gain adjusting circuit 9 is configured to specifically control the control unit of the PCB layer board 2 according to the antenna direction and the gain adjusting signal, so that the base station can automatically complete the modification of the antenna gain by regularly or conditionally playing the radio signal corresponding to the latest distribution information as a trigger condition.
More specifically, also to support the implementation of the aforementioned implementation:
as shown in fig. 2, the antenna assembly 6 includes a helical antenna body 61 and a first adjusting rod 65, which are arranged in parallel, a first antenna end 62 and a second antenna end 63 are arranged at two ends of the helical antenna body 61, the first antenna end 62 is fixedly connected to a first insulating fixing frame 64, the antenna assembly 6 is fixedly connected to a second insulating fixing frame 67, one end of the first adjusting rod 65 is rotatably and fixedly connected to the first insulating fixing frame 64, the other end of the first adjusting rod 65 passes through a threaded sleeve 66 arranged on the second insulating fixing frame 67 and then is connected to a reference end of a second adjusting rod 69 through an expansion element 68, and a non-reference end of the second adjusting rod 69 passes through a rod fixing shaft seat 610 and then is fixedly connected to a micro adjusting gear 611; the inner wall of the threaded sleeve 66 and the outer wall of the first adjusting rod 65 at the contact portion of the threaded sleeve 66 are both threaded, so that when the first adjusting rod 65 rotates relative to the threaded sleeve 66, the length of the first adjusting rod 65 between the threaded sleeve 66 and the first insulating fixing frame 64 also changes.
More specifically, also to support the implementation of the aforementioned implementation:
as shown in fig. 4 and 5 (the upper part of the drawing is a radial sectional view, and the lower part of the drawing is a side view of the structure of the telescopic member 68), the telescopic member 68 includes two rod bodies 681, one of the rod bodies 681 is fixedly connected to the first adjusting rod 65, the other rod body 681 is fixedly connected to the second adjusting rod 69, the two rod bodies 681 are movably connected to the telescopic rod 683 through a telescopic slot 682, the telescopic slot 682 is a hollow tubular structure with a rectangular cross section, the corresponding telescopic rod 683 is a solid rod structure with a rectangular cross section, the telescopic rod 683 can be inserted into the telescopic slot 682, the rectangular diagonal cross sections of the telescopic rods 683/telescopic slot 682 are equal, and the length of the rectangular diagonal cross section of the telescopic rod 683/telescopic slot 682 is smaller than the length of the outer diameter of the rod body 681, so that the rotation of one rod body 681 can drive the other rod body 681 to rotate, and the depth of the telescopic rod 683 inserted into the telescopic slot 682 can be changed at the same time.
More specifically, also to support the implementation of the aforementioned implementation:
as shown in fig. 3, the gain adjustment assembly 7 includes a driving rod 71, one end of the driving rod 71 is fixed on the first electromagnetic fixed shaft seat 72, the other end of the driving rod 71 passes through the second electromagnetic fixed shaft seat 76 and is connected to the output shaft of the first stepping motor 70, a second slidable gear 74 and a first slidable gear 75 are slidably inserted between the first electromagnetic fixed shaft seat 72 and the second electromagnetic fixed shaft seat 76, an electromagnetic coil structure is disposed on the first electromagnetic fixed shaft seat 72/the second electromagnetic fixed shaft seat 76, and the corresponding second slidable gear 74/the first slidable gear 75 are made of neodymium-iron material, so that the magnetic force generated by the first electromagnetic fixed shaft seat 72/the second electromagnetic fixed shaft seat 76 through electricity can act on the second slidable gear 74/the first slidable gear 75 and drive the second slidable gear 74/the first slidable gear 75 to change the position of the driving rod 71; when the first stepping motor 70 is rotated, the driving lever 71/the second slidable gear 74/the first slidable gear 75 are rotated therewith.
As shown in fig. 3, the specific connection between the antenna element 6 and the gain adjustment element 7 is as follows: there are three sets of antenna assemblies 6, the end of the micro-adjustment gear 611 of each antenna assembly 6 is disposed close to the driving rod 71, wherein the second slidable gear 74 is disposed between the two micro-adjustment gears 611 at the middle and one side, and the first slidable gear 75 is disposed between the two micro-adjustment gears 611 at the middle and the other side, so that, after the second slidable gear 74 is magnetically driven, it can be close to the micro-adjustment gear 611 at the middle or one side and engage with the micro-adjustment gear 611 through teeth, and, after the first slidable gear 75 is magnetically driven, it can be close to the micro-adjustment gear 611 at the middle or the other side and engage with the micro-adjustment gear 611 through teeth, further, after the second slidable gear 74/first slidable gear 75 engages with the micro-adjustment gear 611 through teeth, when the output shaft of the first stepping motor 70 and the driving rod 71 rotate, the second slidable gear 74/first slidable gear 75 can drive the micro-adjustment gear 611 to rotate, thereby adjusting the length of the first adjustment rod 65 between the threaded sleeve 66 and the first insulating fixing frame 64, and further adjusting the physical gain of the helical antenna body 61 and changing the corresponding antenna gain structure.
More specifically, also to support the implementation of the aforementioned implementation:
as shown in fig. 6, the control unit of PCB layer 2 includes a fixed turntable 21, a shaft 22 and a second stepping motor 23, wherein the second stepping motor 23 is fixed on the circuit board fixing shell 1, the fixed turntable 21 is fixed on the PCB layer 2, the shaft 22 is fixedly connected with an output shaft of the second stepping motor 23, and the shaft 22 is also fixedly connected with a central shaft of the fixed turntable 21, so that when the output shaft of the second stepping motor 23 rotates, the fixed turntable 21 and the PCB layer 2 connected therewith also rotate along with the fixed turntable 21 to support and adjust the direction of the antenna assembly 6.
More specifically, also to support the implementation of the aforementioned implementation:
as shown in fig. 7, each helical antenna body 61 is electrically connected to one radiation control branch 51, and the radiation control branches 51 are electrically connected to the radiation management circuit 5 through the radiation control bus 52, so as to support the radiation management circuit 5 to periodically or conditionally acquire a signal corresponding to the latest distribution information of the base station from the antenna assembly 6.
As shown in fig. 7, the first stepping motor 70, the first electromagnetic fixed shaft seat 72, and the second electromagnetic fixed shaft seat 76 are all electrically connected to a gain adjustment control branch 92, and a plurality of gain adjustment control branches 92 are all electrically connected to the gain adjustment circuit 9 through a control bus 90 to support the gain adjustment circuit 9 to control the gain adjustment assembly 7; the gain adjusting circuit 9 is also electrically connected with the second stepping motor 23 through a steering control branch line 91 so as to support the gain adjusting circuit 9 to control the control unit of the PCB layer plate 2.
Claims (3)
- The 1.5G new system antenna circuit board comprises a circuit board fixing shell and is characterized in that a PCB (printed circuit board) laminate can be rotatably arranged on the circuit board fixing shell, an antenna fixing substrate is fixedly arranged on the PCB laminate through a fixing piece, a plurality of antenna assemblies are arranged on the antenna fixing substrate, a gain adjusting assembly is further arranged on one side of each antenna assembly and positioned on the antenna fixing substrate, and the gain adjusting assembly is used for adjusting the physical structure of the antenna gain on each antenna assembly; a radiation management circuit, a control circuit and a gain adjustment circuit are fixedly arranged on one side of the PCB laminate, the control circuit is electrically connected with the radiation management circuit, the control circuit is electrically connected with the gain adjustment circuit, and the radiation management circuit is electrically connected with each antenna component and is used for selecting at least one antenna component to be conducted as a working antenna; the gain adjusting circuit is electrically connected with the gain adjusting component, the gain adjusting circuit is also electrically connected with the control unit of the PCB laminate, the gain adjusting circuit is used for controlling the gain adjusting component and supporting the gain adjusting component to realize the function of adjusting the physical structure of the antenna gain on the antenna component, and the gain adjusting circuit is also used for controlling the control unit of the PCB laminate and supporting the PCB laminate to rotate so as to adjust the direction of the antenna component; the radiation management circuit is configured to periodically or conditionally acquire a signal corresponding to the latest distribution information of the base station from the antenna assembly and send the signal to the control circuit, and the control circuit is configured to generate an antenna direction and a gain adjustment signal according to the latest distribution information of the base station and send the signal to the gain adjustment circuit; the gain adjusting circuit is configured to specifically control the gain adjusting component according to the antenna direction and the gain adjusting signal, and the gain adjusting circuit is configured to specifically control the control unit of the PCB layer plate according to the antenna direction and the gain adjusting signal; the antenna assembly comprises a spiral antenna body and a first adjusting rod which are arranged in parallel, a first antenna end and a second antenna end are arranged at two ends of the spiral antenna body, the first antenna end is fixedly connected with a first insulation fixing frame, the antenna assembly is fixedly connected with a second insulation fixing frame, one end of the first adjusting rod is rotatably and fixedly connected with the first insulation fixing frame, the other end of the first adjusting rod penetrates through a threaded sleeve arranged on the second insulation fixing frame and then is connected with a reference end of the second adjusting rod through a telescopic piece, and a non-reference end of the second adjusting rod penetrates through a rod fixing shaft seat and then is fixedly connected with a micro adjusting gear; the inner wall of the threaded sleeve and the outer wall of the first adjusting rod at the contact part of the threaded sleeve are both provided with threads, so that when the first adjusting rod rotates relative to the threaded sleeve, the length of the first adjusting rod between the threaded sleeve and the first insulating fixing frame can also change; the telescopic piece comprises two sections of rod bodies, one section of rod body is fixedly connected with the first adjusting rod, the other section of rod body is fixedly connected with the second adjusting rod, the two sections of rod bodies are movably connected with the telescopic rod through a telescopic groove, the telescopic groove is of a hollow tube structure with a rectangular cross section, the corresponding telescopic rod is of a solid rod structure with a rectangular cross section, the telescopic rod can be inserted into the telescopic groove, the rectangular diagonal cross sections of the telescopic rod/the telescopic groove are equal, and the length of the rectangular diagonal cross section of the telescopic rod/the telescopic groove is smaller than the length of the outer diameter of the rod body, so that the other section of rod body can be driven to rotate when the one section of rod body rotates, and the depth of the telescopic rod inserted into the telescopic groove can be changed simultaneously; the gain adjusting assembly comprises a driving rod, one end of the driving rod is fixed on a first electromagnetic fixed shaft seat, the other end of the driving rod penetrates through a second electromagnetic fixed shaft seat and is connected with an output shaft of the first stepping motor, a second slidable gear and a first slidable gear are slidably inserted between the first electromagnetic fixed shaft seat and the second electromagnetic fixed shaft seat, an electromagnetic coil structure is arranged on the first electromagnetic fixed shaft seat/the second electromagnetic fixed shaft seat, and the corresponding second slidable gear/the first slidable gear are made of neodymium iron materials, so that magnetic force generated by electrifying the first electromagnetic fixed shaft seat/the second electromagnetic fixed shaft seat can act on the second slidable gear/the first slidable gear and drive the second slidable gear/the first slidable gear to change the position of the driving rod; when the first stepping motor rotates, the driving rod/the second slidable gear/the first slidable gear rotates along with the first stepping motor; the specific connection between the antenna assembly and the gain adjusting assembly is as follows: the micro-adjustment gear end of each antenna component is arranged close to the driving rod, the second slidable gear is arranged between the two micro-adjustment gears at the middle part and one side, the first slidable gear is arranged between the two micro-adjustment gears at the middle part and the other side, so that the second slidable gear can be close to the micro-adjustment gear at the middle part or one side and meshed with the micro-adjustment gear through teeth after being driven by magnetic force, the first slidable gear can be close to the micro-adjustment gear at the middle part or the other side and meshed with the micro-adjustment gear through teeth after being driven by magnetic force, and the second slidable gear/the first slidable gear can drive the micro-adjustment gear to rotate after being meshed with the micro-adjustment gear through teeth, when the output shaft of the first stepping motor and the driving rod rotate, the length of the first adjustment rod between the threaded sleeve and the first insulation fixing frame is adjusted, and then the physical structure of the spiral antenna body is adjusted and the corresponding antenna gain is changed; the control unit of the PCB layer plate comprises a fixed turntable, a crankshaft and a second stepping motor, wherein the second stepping motor is fixed on the circuit board fixed shell, the fixed turntable is fixed on the PCB layer plate, the crankshaft is fixedly connected with an output shaft of the second stepping motor, and the crankshaft is also fixedly connected with a middle shaft of the fixed turntable, so that when the output shaft of the second stepping motor rotates, the fixed turntable and the PCB layer plate connected with the fixed turntable rotate along with the fixed turntable, and the direction of the antenna assembly is adjusted.
- 2. The antenna circuit board of claim 1, wherein each helical antenna body is electrically connected to a radiation control branch, and the radiation control branches are electrically connected to the radiation management circuit through the radiation control bus, so as to support the radiation management circuit to periodically or conditionally obtain the signal corresponding to the latest distribution information of the base station from the antenna assembly.
- 3. The antenna circuit board of claim 1, wherein the first stepping motor, the first electromagnetic fixed shaft seat, and the second electromagnetic fixed shaft seat are electrically connected to a gain adjustment control branch, and the gain adjustment control branches are electrically connected to the gain adjustment circuit through a control bus to support the gain adjustment circuit to control the gain adjustment element; the gain adjusting circuit is also electrically connected with the second stepping motor through a steering control branch line so as to support the gain adjusting circuit to control the control unit of the PCB layer plate.
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| CN112713401A (en) | 2021-04-27 |
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