CN211908772U - Antenna change-over switch control device and electronic communication equipment - Google Patents
Antenna change-over switch control device and electronic communication equipment Download PDFInfo
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- CN211908772U CN211908772U CN202020740528.3U CN202020740528U CN211908772U CN 211908772 U CN211908772 U CN 211908772U CN 202020740528 U CN202020740528 U CN 202020740528U CN 211908772 U CN211908772 U CN 211908772U
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Abstract
The utility model provides an antenna change over switch controlling means and electronic communication equipment is applied to electronic communication equipment, include: the antenna switching circuit comprises a power supply and a target switch group, wherein a first terminal of the target switch group is connected with the power supply, and a second terminal of the target switch group is connected with a control input end of the antenna switching switch; the target switch group is used for controlling the connection or disconnection state of a target line; the target circuit is a transmission line between the power supply and each input end of the antenna change-over switch; and the power supply is used for supplying power to the antenna change-over switch through the target line under the condition that the target line is communicated. The utility model discloses the debugging cycle length that exists to antenna change over switch's debugging process among the prior art is alleviated and the technical problem of debugging inefficiency.
Description
Technical Field
The utility model belongs to the technical field of the electronic communication technique and specifically relates to an antenna change over switch controlling means and electronic communication equipment are related to.
Background
Modern electronic communication equipment, especially cell-phone, intelligent wearing equipment require very high to antenna signal, and equipment is more and more miniaturized, and frivolousization leads to the antenna space to be littleer and more, and the antenna bandwidth is more and more narrow, introduces antenna change switch technique, and different frequency channels change the antenna resonance on switching to different routes through antenna change switch, can effectually solve the too narrow problem of bandwidth, promote the antenna performance.
In the actual project development process, the matching of the antenna form and the antenna change-over switch path needs to be quickly established, and after the antenna change-over switch needs the system of the whole electronic device to normally run, software configures correct codes of the paths according to the logic of the antenna change-over switch and compiles and downloads the codes to intelligent hardware equipment, an antenna engineer verifies that the paths of the antenna change-over switch can be normally switched and then starts to debug the antenna, generally, the preparation work of the period of time needs half a month or even one month, for an electronic product with a project period of only 3-4 months, the period of time is seriously wasted, and the project schedule and the project period are influenced, namely, the technical problems of long debugging period and low debugging efficiency exist in the debugging process of the antenna change-over switch in the prior art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an antenna change over switch controlling means and electronic communication equipment to the debugging cycle length that exists and the technical problem of debugging inefficiency to antenna change over switch's debugging process have been alleviated among the prior art.
In a first aspect, an embodiment of the present invention provides an antenna change-over switch control device, which is applied to an electronic communication device, including: the antenna switching circuit comprises a power supply and a target switch group, wherein a first terminal of the target switch group is connected with the power supply, and a second terminal of the target switch group is connected with a control input end of an antenna switching switch; the target switch group is used for controlling the connection or disconnection state of a target line; the target circuit is a transmission line between the power supply and each input end of the antenna change-over switch; and the power supply is used for supplying power to the antenna change-over switch through the target line under the condition that the target line is communicated.
Further, the target switch group includes: the antenna switching device comprises a first switch, a second switch and a third switch, wherein a first end of the first switch is connected with the power supply, and a second end of the first switch is connected with a first control input end of the antenna switching switch; the first end of the second switch is connected with the power supply, and the second end of the second switch is connected with the second control input end of the antenna changeover switch; a first end of the third switch is connected with the power supply, and a second end of the third switch is connected with a third control input end of the antenna changeover switch; the power supply is also connected with the power supply input end of the antenna changeover switch.
Further, the target switch group is connected with the control input end of the antenna change-over switch through a flying wire.
Further, the first switch is connected to a first control input terminal of the antenna changeover switch through a first flying lead, the second switch is connected to a second control input terminal of the antenna changeover switch through a second flying lead, and the third switch is connected to a third control input terminal of the antenna changeover switch through a third flying lead.
Further, the antenna changeover switch control device further includes: and the connector is arranged between the second terminal of the target switch group and the flying wire and is used for connecting the target switch group and the flying wire.
Further, the connector further includes: a first connector for connecting a second end of the first switch and the first flying lead; when the first switch is turned off, no voltage signal is input to the first connector, and the switching logic of the first control input end of the antenna change-over switch is low level; when the first switch is closed, a voltage signal is input to the first connector, and the switching logic of the first control input end of the antenna change-over switch is high level.
Further, the connector further includes: a second connector for connecting a second end of the second switch and the second flying lead; when the second switch is turned off, no voltage signal is input to the second connector, and the switching logic of the second control input end of the antenna change-over switch is low level; when the second switch is closed, a voltage signal is input to the second connector, and the switch logic of the second control input end of the antenna change-over switch is high level.
Further, the connector further includes: a third connector for connecting a second terminal of the third switch and the third flying lead; when the third switch is turned off, no voltage signal is input to the third connector, and the switching logic of the third control input end of the antenna changeover switch is low level; when the third switch is closed, a voltage signal is input to the third connector, and the switching logic of the third control input end of the antenna switch is high level.
Further, the voltage of the power supply is 2.8V.
Further, the antenna changeover switch control device is arranged in an antenna area of the electronic communication equipment.
In a second aspect, an embodiment of the present invention further provides an electronic communication device, including the above first aspect, the antenna switch control device, the antenna switch and the device body, wherein the antenna switch set up in the antenna area on the device body, the antenna switch control device with the antenna switch is connected.
The utility model provides a pair of antenna change over switch controlling means and electronic communication equipment through connecting the device and antenna change over switch, can be under the system out of operation condition of electronic communication equipment, control antenna change over switch-over way, reach the time that begins the antenna debugging in advance, improve debugging efficiency, shorten the technological effect of debugging cycle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an antenna changeover switch control device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another antenna changeover switch control device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an SP4T switch controlled antenna switch model MXD 8544A;
fig. 4 is a schematic view of an electronic communication device according to an embodiment of the present invention.
Icon:
10-a power supply; 20-target switch group; 21-a first switch; 22-a second switch; 23-a third switch; 31-a first connector; 32-a second connector; 33-a third connector; 100-antenna changeover switch control means; 200-an antenna changeover switch; 300-equipment body.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is a schematic diagram of an antenna changeover switch control device according to an embodiment of the present invention, which is applied to an electronic communication device. Specifically, as shown in fig. 1, the apparatus includes: a power supply 10 and a target switch group 20, wherein a first terminal of the target switch group 20 is connected to the power supply 10, and a second terminal of the target switch group 20 is connected to a control input terminal of the antenna changeover switch.
Specifically, the power supply 10 is configured to supply power to the antenna changeover switch through the target line when the target line is connected.
A target switch group 20 for controlling a connection or disconnection state of a target line; the target line is a transmission line between the power supply and each input terminal of the antenna change-over switch.
The utility model provides a pair of antenna change over switch controlling means through connecting the device and antenna change over switch, can be under the system out of operation condition of electronic communication equipment, and control antenna change over switch switches the route, reaches the time that begins the antenna debugging in advance, improves debugging efficiency, shortens the technological effect of debugging cycle.
Optionally, the antenna changeover switch control device is disposed in an antenna area of the electronic communication device.
Optionally, fig. 2 is a schematic diagram of another antenna changeover switch control device provided in accordance with an embodiment of the present invention. As shown in fig. 2, the target switch group 20 includes: a first switch 21, a second switch 22 and a third switch 23, wherein a first terminal of the first switch 21 is connected to the power supply 10, and a second terminal of the first switch 21 is connected to a first control input terminal (V1) of the antenna switching switch; a first terminal of the second switch 22 is connected to the power supply 10, and a second terminal of the second switch 22 is connected to a second control input terminal (V2) of the antenna changeover switch; a first terminal of the third switch 23 is connected to the power supply 10, and a second terminal of the third switch 23 is connected to a third control input terminal (V3) of the antenna switching switch; the power supply 10 is also connected to the power supply input (VDD) of the antenna changeover switch.
Alternatively, as shown in fig. 2, the first switch 21 is a single pole, single throw switch; the second switch 22 is a single pole, single throw switch; the third switch 23 is a single pole single throw switch.
Alternatively, as shown in fig. 2, the target switch group 20 is connected to the control input terminal of the antenna changeover switch through a flying wire. The first switch 21 is connected to a first control input (V1) of the antenna changeover switch via a first flying lead, the second switch 22 is connected to a second control input (V2) of the antenna changeover switch via a second flying lead, and the third switch 23 is connected to a third control input (V3) of the antenna changeover switch via a third flying lead.
Optionally, the embodiment of the utility model provides a controlling means still includes: and the connector is arranged between the second terminal of the target switch group and the flying lead and is used for connecting the target switch group and the flying lead.
Specifically, as shown in fig. 2, the connector further includes: a first connector 31, a second connector 32 and a third connector 33.
Wherein the first connector 31 is used for connecting the second terminal of the first switch 21 and the first flying lead, the second connector 32 is used for connecting the second terminal of the second switch 22 and the second flying lead, and the third connector 33 is used for connecting the second terminal of the third switch 23 and the third flying lead.
Optionally, the embodiment of the utility model provides a controlling means's power is button cell, and the voltage of power is 2.8V.
Specifically, when the first switch 21 is turned off, no voltage signal is input to the first connector 31, and the switching logic of the first control input terminal of the antenna changeover switch is low level "0"; when the first switch 21 is closed, a voltage signal is input to the first connector 31, for example, the voltage at the interface of the first connector 31 is 2.8V in the embodiment of the present invention, and the switching logic of the first control input terminal of the antenna switch is high level "1".
When the second switch 22 is turned off, no voltage signal is input to the second connector 32, and the switching logic of the second control input terminal of the antenna changeover switch is low level "0"; when the second switch 22 is closed, a voltage signal is input to the second connector 32, for example, the voltage at the interface of the second connector 32 is 2.8V, and the switching logic of the second control input terminal of the antenna switch is high level "1".
When the third switch 23 is turned off, no voltage signal is input to the third connector 33, and the switching logic of the third control input terminal of the antenna changeover switch is low level "0"; when the third switch 23 is closed, a voltage signal is input to the third connector 33, for example, the voltage at the interface of the third connector 33 is 2.8V, and the switching logic of the third control input terminal of the antenna switch is high level "1".
The embodiment of the utility model provides a controlling means still includes PCB (printed Circuit Board) board, has 1 2.8V button cell as the power on the PCB board, for the power supply of antenna change over switch. The target switch group is formed by 3 dial switches, one ends of the three switches are connected to a 2.8V power supply, the other ends of the three switches are respectively led out to 3 connectors, and the connectors are connected to voltage and control line PIN PINs of an antenna change-over switch of the intelligent device through connecting lines.
The antenna switch commonly used in electronic intelligent devices is divided into two control modes, i.e., GPIO (General-purpose input/output) Interface and MIPI (Mobile Industry Processor Interface). Optionally, the embodiment of the utility model provides an antenna change over switch is applicable to the control to two kinds of interfaces of GPIO and MIPI.
The following takes the antenna change-over switch controlled by the GPIO interface as an example to explain in detail the control process of the antenna change-over switch control device provided by the embodiment of the present invention.
Fig. 3 is a schematic diagram of an SP4T switch controlled antenna switch model MXD 8544A. As shown in fig. 3, the antenna switch is powered by VDD of 2.8V, and has three GPIO interfaces V1, V2 and V3, which correspond to the first control input terminal, the second control input terminal and the third control input terminal, respectively. The utility model provides a controlling means provides 2.8V mains operated for antenna change over switch, controls the height of level on the three interface of V1, V2, V3 that exports antenna change over switch through target switch group 20, can control on antenna change over switch switches to four ways of RF1, RF2, RF3, RF4 to control 8 kinds of different logic states.
Specifically, as shown in fig. 2 and 3, when the first switch 21 is turned off, the first connector 31 has no voltage, the V1 interface of the antenna switch (i.e. the first control input terminal) has no voltage input, and the switch logic is low level 0; when the first switch 21 is closed, the first connector 31 has a voltage of 2.8V, the V1 interface has a voltage input, and the switch logic is high level 1.
When the second switch 22 is turned off, the second connector 32 has no voltage, the V2 interface of the antenna switch (i.e. the second control input terminal) has no voltage input, and the switch logic is low level 0; when the second switch 22 is closed, the second connector 32 has a voltage of 2.8V, the V2 interface has a voltage input, and the switch logic is high 1.
When the third switch 23 is turned off, the third connector 33 has no voltage, the V3 interface of the antenna switch (i.e. the third control input terminal) has no voltage input, and the switch logic is low level 0; when the third switch 23 is closed, the third connector 33 has a voltage of 2.8V, the V3 interface has a voltage input, and the switch logic is high level 1.
The path connection state of the antenna switch corresponding to the logic level is shown in table 1:
TABLE 1
| State numbering | V1 | V2 | V3 | State of via connection |
| 1 | 0 | 0 | 1 | ALL Ron |
| 2 | 0 | 1 | 1 | ANT to RF1 and RF2 |
| 3 | 1 | 0 | 1 | ANT to RF3 and RF4 |
| 4 | 0 | 0 | 0 | ANT to RF1 |
| 5 | 0 | 1 | 0 | ANT to RF2 |
| 6 | 1 | 0 | 0 | ANT to RF3 |
| 7 | 1 | 1 | 0 | ANT to RF4 |
| 8 | 1 | 1 | 1 | ALL isolation |
The utility model provides an antenna change over switch controlling means's is small, can fix on the smart machine, does not influence the antenna forbidden environment. Antenna debugging personnel have realized very conveniently that each route to antenna change over switch switches over controlling through stirring first switch, the disconnection and the closure of second switch and third switch, need not to wait for equipment normal work and software configuration, have improved antenna debugging efficiency, have shortened antenna debugging cycle greatly.
The embodiment of the utility model provides an electronic communication equipment is still provided, as shown in FIG. 4, this equipment includes above-mentioned antenna change over switch controlling means 100, antenna change over switch 200 and equipment body 300, and wherein, antenna change over switch 200 sets up the antenna region on equipment body 300, and antenna change over switch controlling means 100 is connected with antenna change over switch 200.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An antenna change-over switch control device, which is applied to electronic communication equipment, comprises: the antenna switching circuit comprises a power supply and a target switch group, wherein a first terminal of the target switch group is connected with the power supply, and a second terminal of the target switch group is connected with a control input end of an antenna switching switch;
the target switch group is used for controlling the connection or disconnection state of a target line; the target circuit is a transmission line between the power supply and each input end of the antenna change-over switch;
and the power supply is used for supplying power to the antenna change-over switch through the target line under the condition that the target line is communicated.
2. The antenna duplexer control device of claim 1, wherein the target switch group includes: a first switch, a second switch and a third switch;
the first end of the first switch is connected with the power supply, and the second end of the first switch is connected with the first control input end of the antenna changeover switch;
the first end of the second switch is connected with the power supply, and the second end of the second switch is connected with the second control input end of the antenna changeover switch;
a first end of the third switch is connected with the power supply, and a second end of the third switch is connected with a third control input end of the antenna changeover switch;
the power supply is also connected with the power supply input end of the antenna changeover switch.
3. The antenna switcher control device according to claim 2, wherein the target switch group is connected to a control input terminal of the antenna switcher through a flying wire.
4. The antenna switcher control device of claim 3, wherein the first switch is connected to a first control input terminal of the antenna switcher through a first flying lead; the second switch is connected with a second control input end of the antenna change-over switch through a second flying wire; and the third switch is connected with a third control input end of the antenna change-over switch through a third flying wire.
5. The antenna duplexer control device of claim 4, further comprising: and the connector is arranged between the second wiring end of the target switch group and the flying wire and is used for connecting the target switch group and the flying wire.
6. The antenna duplexer control device of claim 5, wherein the connector further comprises: a first connector, a second connector and a third connector;
the first connector is used for connecting a second end of the first switch and the first flying wire;
the second connector is used for connecting a second end of the second switch and the second flying wire;
the third connector is configured to connect the second terminal of the third switch and the third flying lead.
7. The antenna changeover switch control device according to claim 1, wherein the voltage of the power supply is 2.8V.
8. The antenna switcher control device of claim 1, wherein the antenna switcher control device is disposed in an antenna area of the electronic communication device.
9. An electronic communication device, comprising the antenna changeover switch control device according to any one of claims 1 to 8, an antenna changeover switch and a device body, wherein the antenna changeover switch is provided in an antenna area on the device body, and the antenna changeover switch control device is connected to the antenna changeover switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740528.3U CN211908772U (en) | 2020-05-07 | 2020-05-07 | Antenna change-over switch control device and electronic communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740528.3U CN211908772U (en) | 2020-05-07 | 2020-05-07 | Antenna change-over switch control device and electronic communication equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211908772U true CN211908772U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020740528.3U Active CN211908772U (en) | 2020-05-07 | 2020-05-07 | Antenna change-over switch control device and electronic communication equipment |
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| Country | Link |
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| CN (1) | CN211908772U (en) |
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Effective date of registration: 20211104 Address after: 518011 floor 1, block B, Yinfeng building, No. 5097, Luosha Road, Xinxiu community, Huangbei street, Luohu District, Shenzhen, Guangdong Patentee after: Wentai Technology (Shenzhen) Co.,Ltd. Address before: Room 912-49, block B, 666 Beijing East Road, Huangpu District, Shanghai Patentee before: SHANGHAI WINGTECH ELECTRONICS TECHNOLOGY Co.,Ltd. |
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