CN211088498U - Dual-polarized low-frequency oscillator - Google Patents
Dual-polarized low-frequency oscillator Download PDFInfo
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- CN211088498U CN211088498U CN201921428979.7U CN201921428979U CN211088498U CN 211088498 U CN211088498 U CN 211088498U CN 201921428979 U CN201921428979 U CN 201921428979U CN 211088498 U CN211088498 U CN 211088498U
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Abstract
The utility model discloses a dual polarization low frequency oscillator, including four oscillators and connection the base of oscillator, the oscillator includes two oscillator arms and locates balun on the oscillator arm, the oscillator arm includes long shooting arm and locates the terminal kink of long shooting arm, the cross section of oscillator arm is L shape, the kink kicks up or incurves, the contained angle of kink and horizontal plane is 0-90, and the straight line quadrature that two long shooting arms on the same oscillator were located sets up, and two adjacent long shooting arms on the adjacent oscillator are located same straight line to make the oscillator arm of four oscillators enclose into the square, balun downwardly extending is connected with the base.
Description
Technical Field
The utility model relates to a radio equipment technical field especially relates to a dual polarization low frequency oscillator.
Background
In recent years, the demand for narrow-band internet of things antennas is high, the narrow-band internet of things basically mainly comprises multi-frequency antennas, and the mainstream narrow-band internet of things in the market comprises dual high-frequency antennas, dual low-frequency antennas and dual low-frequency dual high-frequency antennas. In the above multi-band antenna, the antenna is designed to be as small as possible, but the antenna can be reduced only to a limited extent due to various requirements of the frequency band and the pattern. In addition, since isolation is required between frequency bands, the distance between the oscillators is also as far as possible. However, since the oscillators are designed in a half-wave oscillator manner, if the normal oscillator layout is adopted, the size of the oscillators is substantially fixed, and the distance between the oscillators is also substantially fixed.
Disclosure of Invention
The utility model aims to solve the technical problem that a dual polarization low frequency oscillator is provided, distance between the multiplicable oscillator reduces the oscillator size, reduce cost.
In order to solve the technical problem, the utility model provides a dual-polarized low-frequency oscillator, which comprises four oscillators and a base connected with the oscillators;
the oscillator comprises two oscillator arms and a balun arranged on the oscillator arms, and each oscillator arm comprises a long shooting arm and a bending part arranged at the tail end of the long shooting arm;
the cross section of each vibrator arm is L-shaped, the bent part is bent upwards or inwards, the included angle between the bent part and the horizontal plane is 0-90 degrees, the straight lines where the two long shooting arms on the same vibrator are located are orthogonally arranged, the two adjacent long shooting arms on the adjacent vibrators are located on the same straight line, so that the vibrator arms of the four vibrators form a square in an enclosing mode, and the balun extends downwards and is connected with the base.
As an improvement of the above technical solution, the four vibrators are arranged in pairs in opposite directions and form an array, and the two vibrators arranged in opposite directions form a polarization.
As an improvement of the technical scheme, the bending part is a straight line segment, a circular arc line or a broken line segment.
As an improvement of the technical scheme, the balun comprises a straight section and an outward convex circular arc section which are obliquely and downwards arranged, and the cross section of the balun is L-shaped.
As an improvement of the above technical solution, a fixing buckle for fixing a cable is further arranged in the middle of the balun, and the fixing buckle is arranged on the back of the balun.
As an improvement of the technical scheme, the fixing buckle is obliquely arranged downwards, and the inner side surface of the fixing buckle is provided with a circular arc-shaped notch.
As an improvement of the technical scheme, the base is provided with a connecting hole for mounting the dual-polarized high-frequency oscillator.
As an improvement of the technical scheme, the base is provided with a semicircular groove used for clamping the feeder line.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a vibrator arm includes the long arm of penetrating and locates the terminal kink of long arm of penetrating, and the straight line quadrature at two long arm places of penetrating on the same oscillator sets up, and two adjacent long arms of penetrating on the adjacent oscillator are located same straight line to the vibrator arm that makes four oscillators encloses into squarely. The projection length and width of the vibrator arm on the horizontal plane are reduced by arranging the bending part, so that the size of the vibrator is reduced. Because the oscillator center installation high frequency oscillator, for not influencing the gain of oscillator, will the utility model discloses an oscillator design is the square, is favorable to reducing the oscillator size, and then reduction in production cost.
Drawings
Fig. 1 is a front view of a low-frequency oscillator according to the present invention;
fig. 2 is an axial view of a low-frequency oscillator according to the present invention;
fig. 3 is a side view of the low frequency oscillator according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
It should be noted that the utility model discloses can match umbrella-type high frequency oscillator and use: place the high frequency oscillator the utility model discloses the center of oscillator, for not influencing the whole gain of whole oscillator and satisfying the requirement of isolation, the utility model discloses the bore of oscillator can not reduce.
Referring to fig. 1 to 3, the present invention provides a dual-polarized low frequency oscillator, which includes four oscillators 1 and a base 2 connected to the oscillators 1;
the oscillator 1 comprises two oscillator arms 11 and a balun 12 arranged on the oscillator arms 11, wherein the oscillator arms 11 comprise a long shooting arm 111 and a bending part 112 arranged at the tail end of the long shooting arm 111;
the cross section of the oscillator arm 11 is L-shaped, the bending part 112 bends upwards or inwards, the included angle between the bending part 112 and the horizontal plane is 0-90 degrees, the straight line where the two long radiating arms 111 on the same oscillator 1 are located is orthogonally arranged, the two adjacent long radiating arms 111 on the adjacent oscillators 1 are located on the same straight line, so that the oscillator arms 11 of the four oscillators 1 are surrounded into a square, and the balun 12 extends downwards and is connected with the base 2.
The oscillator comprises four oscillators 1, wherein the four oscillators 1 are oppositely arranged in pairs and form an array, the two oppositely arranged oscillators 1 form a polarization, each oscillator 1 comprises two oscillator arms 11 and a balun 12 arranged below the oscillator arms 11, the balun 12 is connected with a base 2, the oscillator arms 11 comprise long radiating arms 111 and bent parts 112 arranged at the tail ends of the long radiating arms 111, the included angles of the bent parts 112 and the horizontal plane are 0-90 degrees, the length of the oscillator arms 11 is prolonged by arranging the bent parts 112, the projection lengths of the oscillator arms 11 on the horizontal plane are reduced, the volume of the oscillator 1 is reduced while the gain of the oscillator 1 is met, the two oscillator arms 11 of each rectangular oscillator 1 are orthogonally arranged relative to the horizontal plane according to the included angles of the bent parts 112 and the horizontal plane, the upper surfaces of the oscillator arms 11 are smooth, the electrical performance of the oscillator 1 is improved, the high-frequency oscillator 1 is required to be placed in the center of the oscillator 1, the requirements of isolation and overall gain are met, the two oscillator arms 11 of the two adjacent oscillator 1 are arranged orthogonally, the oscillator arms 11 are formed into a square structure, the cross section structure is further beneficial to reducing the weight and the requirements of the oscillator arm 3511 and the oscillator arm structure is beneficial to reducing the weight and reducing the requirements of the oscillator arm strength.
In this embodiment, the bending portion 112 is a straight line segment, a circular arc segment or a broken line segment. The bent portion 112 is used for the length of the normal vibrator arm 11, and simultaneously reduces the projection length of the vibrator arm 11 on the horizontal plane.
The balun 12 comprises a straight line section 121 and an outward-protruding arc section 122, the straight line section 121 is arranged obliquely downwards, the cross section of the balun 12 is L, the outward-protruding arc section 122 is arranged, the balun 12 of the four vibrators 1 is combined into a bowl-shaped structure, and compared with the linear balun, the space in the center of the vibrator 1 is increased, and the requirement on the isolation between the vibrator 1 and the high-frequency vibrator 1 is met.
In addition, the balun 12 is L-shaped, so that the feed cable is limited on the back of the balun 12, the routing specification of the cable is improved, and the length of the feed cable is reduced as much as possible.
The base 2 is provided with a connecting hole 21 for mounting the dual-polarized high-frequency oscillator 1. The connecting hole 21 is arranged in the center of the base 2, and the size of the connecting hole is matched with that of the base 2 of the high-frequency oscillator 1. The base 2 is further provided with a fixing bolt 22 for connecting with the reflecting plate.
In addition, a semicircular groove 23 for clamping a power supply line is further arranged on the base 2. The semicircular groove 23 is arranged at the joint of the balun 12 with the fixing buckle 123 and the base 2, and the semicircular groove 23 is matched with the diameter of the feed cable.
To sum up, the utility model discloses a dual polarization low frequency oscillator 1, it includes four oscillators 1, and two oscillators 1 that set up relatively form a polarization. The oscillator arm 11 of the oscillator 1 comprises a long radiation arm 111 and a bending part 112 arranged at the tail end of the long radiation arm 111, the straight lines where the two long radiation arms 111 on the same oscillator 1 are located are arranged in an orthogonal mode, and the two adjacent long radiation arms 111 on the adjacent oscillators 1 are located on the same straight line, so that the oscillator arms 11 of the four oscillators 1 are enclosed to form a square shape, and the aperture value of the oscillator 1 is ensured. The projection length and width of the vibrator arm 11 on the horizontal plane are reduced by arranging the bending part 112, so that the size of the vibrator 1 is reduced, the weight of the vibrator is reduced, and the production cost of the vibrator is reduced.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (8)
1. A dual-polarized low-frequency oscillator is characterized by comprising four oscillators and a base connected with the oscillators;
the oscillator comprises two oscillator arms and a balun arranged on the oscillator arms, and each oscillator arm comprises a long shooting arm and a bending part arranged at the tail end of the long shooting arm;
the cross section of each vibrator arm is L-shaped, the bent part is bent upwards or inwards, the included angle between the bent part and the horizontal plane is 0-90 degrees, the straight lines where the two long shooting arms on the same vibrator are located are orthogonally arranged, the two adjacent long shooting arms on the adjacent vibrators are located on the same straight line, so that the vibrator arms of the four vibrators form a square in an enclosing mode, and the balun extends downwards and is connected with the base.
2. The dual polarized low frequency vibrator according to claim 1, wherein said four vibrators are arranged in pairs opposite to each other and form an array, and the two oppositely arranged vibrators form a polarization.
3. The dual polarized low frequency vibrator according to claim 1, wherein said bent portion is a straight line segment, a circular arc segment or a broken line segment.
4. The dual polarized low frequency oscillator of claim 1, wherein the balun includes a straight section disposed obliquely downward and an arc section protruding outward, and a cross section of the balun is L-shaped.
5. The dual-polarized low-frequency oscillator of claim 1, wherein a fixing buckle for fixing a cable is further arranged in the middle of the balun, and the fixing buckle is arranged on the back of the balun.
6. The dual polarized low frequency oscillator of claim 5, wherein the fixing button is disposed obliquely downward, and an inner side surface of the fixing button is provided with a circular arc-shaped notch.
7. The dual polarized low frequency vibrator according to claim 1, wherein said base is provided with a connection hole for mounting the dual polarized high frequency vibrator.
8. The dual polarized low frequency vibrator of claim 7, wherein the base is provided with a semicircular groove for clamping a feed line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428979.7U CN211088498U (en) | 2019-08-29 | 2019-08-29 | Dual-polarized low-frequency oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428979.7U CN211088498U (en) | 2019-08-29 | 2019-08-29 | Dual-polarized low-frequency oscillator |
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| Publication Number | Publication Date |
|---|---|
| CN211088498U true CN211088498U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428979.7U Active CN211088498U (en) | 2019-08-29 | 2019-08-29 | Dual-polarized low-frequency oscillator |
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| Country | Link |
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| CN (1) | CN211088498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635988A (en) * | 2020-12-17 | 2021-04-09 | 昆山立讯射频科技有限公司 | Antenna element unit |
| US20220328969A1 (en) * | 2021-04-13 | 2022-10-13 | Commscope Technologies Llc | Radiating element and multi-band base station antenna |
-
2019
- 2019-08-29 CN CN201921428979.7U patent/CN211088498U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635988A (en) * | 2020-12-17 | 2021-04-09 | 昆山立讯射频科技有限公司 | Antenna element unit |
| CN112635988B (en) * | 2020-12-17 | 2024-02-09 | 立讯精密工业（滁州）有限公司 | Antenna element unit |
| US20220328969A1 (en) * | 2021-04-13 | 2022-10-13 | Commscope Technologies Llc | Radiating element and multi-band base station antenna |
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