CN219759967U - Simple and efficient resistance-changing device - Google Patents
Simple and efficient resistance-changing device Download PDFInfo
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- CN219759967U CN219759967U CN202321015470.6U CN202321015470U CN219759967U CN 219759967 U CN219759967 U CN 219759967U CN 202321015470 U CN202321015470 U CN 202321015470U CN 219759967 U CN219759967 U CN 219759967U
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Abstract
The utility model discloses a simple and efficient resistance-changing device, which comprises at least two groups of dual-polarized vibrators and at least two impedance transformers, wherein the number of the dual-polarized vibrators is the same as that of the impedance transformers, each impedance transformer is provided with a first input and output end, a second input and output end and an access end, the first input and output end of one impedance transformer is connected with a +45 DEG polarized vibrator of one dual-polarized vibrator through a first feeder, and the second input and output end of one impedance transformer is connected with a +45 DEG polarized vibrator of the other dual-polarized vibrator through a first feeder; the first input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through a first feeder line, and the second input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through the first feeder line. According to the utility model, through the impedance converter, 8 connecting terminals and 6 varistor wires are subtracted, the intermediate connecting links are reduced, the production efficiency is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a simple and efficient resistance changing device.
Background
An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device.
The varistor device in the existing antenna feed network part adopts a plurality of one-to-two wiring terminals and varistor wires to realize the function of converting high impedance into low impedance, each one-to-two wiring terminal needs to be connected with three wires, the feed part of two vibrators needs 8 wiring terminals and 6 varistor wires, the intermediate connection is relieved more, the production efficiency is low, and the material cost and the labor cost are higher.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a simple and efficient varistor device.
The technical scheme adopted for solving the technical problems is as follows: a simple and efficient resistance-changing device comprises a circuit substrate, at least two groups of dual-polarized vibrators arranged on the bottom surface of the circuit substrate and at least two impedance converters arranged on the top surface of the circuit substrate, wherein the number of the dual-polarized vibrators is the same as that of the impedance converters, each group of dual-polarized vibrators is provided with orthogonal +45° polarized vibrators and-45 ° polarized vibrators, each impedance converter is provided with a first input/output end, a second input/output end and an access end, the first input/output end of one impedance converter is connected with the +45° polarized vibrators of one dual-polarized vibrator through a first feeder, and the second input/output end of one impedance converter is connected with the +45° polarized vibrators of the other dual-polarized vibrator through the first feeder; the first input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through a first feeder line, and the second input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through the first feeder line.
As a further improvement of the utility model: each group of dual-polarized vibrators comprises a first radiation arm, a second radiation arm, a third radiation arm and a fourth radiation arm, wherein the first radiation arm and the third radiation plate form +45° polarized vibrators, and the second radiation arm and the fourth radiation arm form-45 ° polarized vibrators.
As a further improvement of the utility model: the dual-polarized oscillator is provided with two groups of dual-polarized oscillators, namely a first dual-polarized oscillator and a second dual-polarized oscillator, and two impedance converters, namely a first impedance converter and a second impedance converter, wherein the first impedance converter is connected with the +45 DEG polarized oscillator of the first dual-polarized oscillator and the +45 DEG polarized oscillator of the second dual-polarized oscillator, and the second impedance converter is connected with the-45 DEG polarized oscillator of the first dual-polarized oscillator and the-45 DEG polarized oscillator of the second dual-polarized oscillator.
As a further improvement of the utility model: the access end of any impedance converter is connected with the combiner or the antenna extraction joint through a second feeder line.
As a further improvement of the utility model: the ratio of the impedance of the second feeder line to the impedance of the first feeder line is 2/3.
As a further improvement of the utility model: the dual-polarized vibrator is a low-frequency dual-polarized vibrator, and the frequency range of the low-frequency dual-polarized vibrator is 698-960MHz.
As a further improvement of the utility model: the first input and output end and the second input and output end are divided into two parts, and two interfaces are correspondingly arranged.
As a further improvement of the utility model: the impedance of the first feeder line is 75Ω, and the impedance of the second feeder line is 50Ω.
Compared with the prior art, the utility model has the beneficial effects that:
the varistor device disclosed by the utility model has the advantages that from the aspect of cost, each antenna can save about 15 yuan of material cost and labor cost after improvement, from the aspect of production efficiency, the procedure of configuring 8 wiring terminals and 6 varistor wires is subtracted after improvement, the intermediate connection links are reduced, the procedures are reduced, the antenna consistency is relatively good, the debugging difficulty is low, and the production efficiency is high.
Drawings
Fig. 1 is a layout diagram of a low frequency feed network portion in the prior art.
Fig. 2 is a wiring diagram of a low frequency feed network portion of the prior art.
Fig. 3 is a layout diagram of a low frequency feed network part modified in the present utility model.
Fig. 4 is a partial wiring diagram of the improved low frequency feed network of the present utility model.
Fig. 5 is a schematic diagram of an impedance transformer according to the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the technical problems in the prior art, the present utility model will be further described with reference to the accompanying drawings and examples:
as shown in fig. 3-4, the utility model discloses a simple and efficient varistor device, which comprises a circuit substrate, at least two groups of dual-polarized vibrators 21, 22 arranged on the bottom surface of the circuit substrate and at least two impedance transformers 11, 12 arranged on the top surface of the circuit substrate, wherein the number of the dual-polarized vibrators 21, 22 is the same as that of the impedance transformers 11, 12, each group of dual-polarized vibrators 21, 22 is provided with an orthogonal +45 DEG polarized vibrator and an orthogonal-45 DEG polarized vibrator, each impedance transformer 11, 12 is provided with a first input/output end 101, a second input/output end 102 and an access end 103, the first input/output end 101 of one impedance transformer 11 is connected with the +45 DEG polarized vibrator of one dual-polarized vibrator 21 through a first feeder line 3, and the second input/output end 102 of one impedance transformer 11 is connected with the +45 DEG polarized vibrator of the other dual-polarized vibrator 22 through the first feeder line 3; the first input/output terminal 101 of the further impedance transformer 12 is connected to the-45 ° polariser of the further dual-polarised oscillator 22 via the first feed line 3, and the second input/output terminal 102 of the further impedance transformer 12 is connected to the-45 ° polariser of the further dual-polarised oscillator 22 via the first feed line 3.
Illustratively, a first dual polarized vibrator 21, a second dual polarized vibrator 21, 22, a first impedance transformer 11 and a second impedance transformer 12 are provided, the first impedance transformer 11 being connected to +45° polarized vibrator of the first dual polarized vibrator 21 and +45° polarized vibrator of the second dual polarized vibrator 21, 22, and the second impedance transformer 12 being connected to-45 ° polarized vibrator of the first dual polarized vibrator 21 and-45 ° polarized vibrator of the second dual polarized vibrator 21, 22.
According to the varistor device, by arranging at least two impedance converters, such as the first impedance converter 11 and the second impedance converter 12, a program of arranging 8 wiring terminals and 6 varistor wires in the prior art is subtracted, so that from the aspect of cost, the cost of materials and labor cost after improvement can be saved by about 15 yuan for each antenna, and the investment can be saved by 14 tens of thousands of antenna marks on a 900-D full-frequency two-port vertical plane; from the aspect of production efficiency, the improved intermediate connection links are reduced, the procedures are reduced, the antenna consistency is relatively good, the debugging difficulty is low, and the production efficiency is high.
The following table 1 shows details of the cost of the parts of the low frequency feed network before improvement, fig. 1-2 show the layout and wiring diagrams of the low frequency feed network in the prior art, wherein the reference numeral 6 in fig. 1 is a two-in-one wiring terminal, the reference numeral 7 is a varistor with impedance of 50Ω, the reference numeral 8 is a varistor with impedance of 35Ω, the reference numeral 9 is a feeder with impedance of 50Ω, and the reference numeral 10 is a feeder with impedance of 75Ω. Before improvement, 8 connecting terminals and 6 varistor wires are arranged, the intermediate connection links are more, the procedures are more, the antenna consistency is relatively poor, the debugging difficulty is high, and the production efficiency is low.
Table 2 shows details of the cost of parts of the improved low frequency feed network, and fig. 3-4 show layout and wiring diagrams of the improved low frequency feed network according to the present utility model.
TABLE 1
TABLE 2
As can be seen from table 1 and table 2, the cost difference between the low frequency feed network part (the front end of the oscillator feed line to the front end of the combiner plate) before and after the improvement: 18.08-2.916 = 15.164 yuan.
Specifically, each dual polarized vibrator 21, 22 includes a first radiation arm 201, a second radiation arm 202, a third radiation arm 203, and a fourth radiation arm 204, where the first radiation arm 201 and the third radiation plate form a +45° polarized vibrator, and the second radiation arm 202 and the fourth radiation arm 204 form a-45 ° polarized vibrator.
More specifically, the first input/output terminal 101 and the second input/output terminal 102 are divided into two, two interfaces are correspondingly provided, and are correspondingly connected with the first radiation arm 201, the second radiation arm 202 or the third radiation arm 203 and the fourth radiation arm 204, and the first input/output terminal 101 and the second input/output terminal 102 are respectively communicated with the access terminal 103.
Illustratively, an interface of the first input/output terminal 101 of the first impedance transformer 11 is connected to the first radiating arm 201 of the first dual-polarized vibrator 21, another interface of the first input/output terminal 101 of the first impedance transformer 11 is connected to the third radiating arm 203 of the first dual-polarized vibrator 21, an interface of the second input/output terminal 102 of the first impedance transformer 11 is connected to the first radiating arm 201 of the second dual-polarized vibrator 21, 22, and another interface of the second input/output terminal 102 of the first impedance transformer is connected to the third radiating arm 203 of the second dual-polarized vibrator 21, 22.
An interface of the first input/output terminal 101 of the second impedance transformer 12 is connected to the second radiating arm 202 of the first dual-polarized vibrator 21, another interface of the first input/output terminal 101 of the second impedance transformer 12 is connected to the fourth radiating arm 204 of the first dual-polarized vibrator 21, and an interface of the second input/output terminal 102 of the second impedance transformer 12 is connected to the second radiating arm 202 of the second dual-polarized vibrator 21, 22, and another interface of the second input/output terminal 102 of the second impedance transformer 12 is connected to the fourth radiating arm 204 of the second dual-polarized vibrator 21, 22.
Preferably, the access terminal 103 of any impedance transformer 11 is connected to the combiner 4 via a second feeder line 5.
The connection 103 of any impedance transformer 11 is preferably connected to the antenna connection via a second feed line 5.
Preferably, the ratio of the impedance of the second feeder 5 to the impedance of the first feeder 3 is 2/3.
More preferably, the impedance of the first feeder line 3 is 75Ω, and the impedance of the second feeder line 5 is 50Ω.
More preferably, the dual-polarized oscillators 21, 22 are low-frequency dual-polarized oscillators, and the frequency range of the low-frequency dual-polarized oscillators is 698-960MHZ.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The simple and efficient resistance-changing device is characterized by comprising a circuit substrate, at least two groups of dual-polarized vibrators arranged on the bottom surface of the circuit substrate and at least two impedance converters arranged on the top surface of the circuit substrate, wherein the number of the dual-polarized vibrators is the same as that of the impedance converters, each group of dual-polarized vibrators is provided with orthogonal +45 DEG polarized vibrators and-45 DEG polarized vibrators, each impedance converter is provided with a first input/output end, a second input/output end and an access end, the first input/output end of one impedance converter is connected with the +45 DEG polarized vibrator of one dual-polarized vibrator through a first feeder, and the second input/output end of one impedance converter is connected with the +45 DEG polarized vibrator of the other dual-polarized vibrator through the first feeder; the first input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through a first feeder line, and the second input and output end of the other impedance transformer is connected with the-45 DEG polarized oscillator of the other dual-polarized oscillator through the first feeder line.
2. A simple and efficient varistor as claimed in claim 1, characterized in that each set of dual-polarized oscillators comprises a first radiating arm, a second radiating arm, a third radiating arm and a fourth radiating arm, the first radiating arm and the third radiating plate constituting +45° polarized oscillators, the second radiating arm and the fourth radiating arm constituting-45 ° polarized oscillators.
3. The simple and efficient varistor device as in claim 2, wherein two sets of dual-polarized vibrators, a first dual-polarized vibrator and a second dual-polarized vibrator, are provided, and wherein two impedance transformers, a first impedance transformer and a second impedance transformer, are provided, the first impedance transformer being connected to +45° polarized vibrator of the first dual-polarized vibrator and +45° polarized vibrator of the second dual-polarized vibrator, and the second impedance transformer being connected to-45 ° polarized vibrator of the first dual-polarized vibrator and-45 ° polarized vibrator of the second dual-polarized vibrator.
4. A simple and efficient varistor as in claim 1 or 3, wherein the access terminal of any impedance transformer is connected to the combiner or the antenna outlet via a second feed line.
5. A simple and efficient varistor as in claim 4, wherein the ratio of the impedance of said second feed line to the impedance of said first feed line is 2/3.
6. The simple and efficient varistor device of claim 4, wherein said dual-polarized resonator is a low frequency dual-polarized resonator having a frequency in the range of 698-960MHZ.
7. The simple and efficient varistor device of claim 1, wherein the first input and output terminal and the second input and output terminal are split into two and two interfaces are provided.
8. A simple and efficient varistor as in claim 4, wherein said first feed line has an impedance of 75 Ω and said second feed line has an impedance of 50 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015470.6U CN219759967U (en) | 2023-04-28 | 2023-04-28 | Simple and efficient resistance-changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321015470.6U CN219759967U (en) | 2023-04-28 | 2023-04-28 | Simple and efficient resistance-changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759967U true CN219759967U (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321015470.6U Active CN219759967U (en) | 2023-04-28 | 2023-04-28 | Simple and efficient resistance-changing device |
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| Country | Link |
|---|---|
| CN (1) | CN219759967U (en) |
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2023
- 2023-04-28 CN CN202321015470.6U patent/CN219759967U/en active Active
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