CN210897581U - Metal part embedded antenna oscillator - Google Patents
Metal part embedded antenna oscillator Download PDFInfo
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- CN210897581U CN210897581U CN201921736360.2U CN201921736360U CN210897581U CN 210897581 U CN210897581 U CN 210897581U CN 201921736360 U CN201921736360 U CN 201921736360U CN 210897581 U CN210897581 U CN 210897581U
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Abstract
The utility model relates to an antenna element. The metal piece embedded antenna oscillator comprises a plastic base material, a metal sheet and a connecting column; the plastic base material is formed by sequentially connecting a first supporting leg, a cross beam and a second supporting leg and is n-shaped; the first metal leg is embedded in the first supporting leg, the metal beam is embedded in the cross beam, the second metal leg is embedded in the second supporting leg, the lower end of the second metal leg is provided with an extension part, the extension part extends out of the bottom of the second supporting leg, and the first metal leg, the metal beam and the second metal leg are sequentially connected to form a metal sheet in an inverted L shape; the outer side wall of the connecting column is provided with a strip-shaped groove, and the second supporting legs of the plastic base materials are inserted into the strip-shaped groove. Welding strength and temperature resistance when this patent can effectively have improved the oscillator equipment guarantee reflow soldering or wave-soldering's intensity and precision, finally improve the reliability in the oscillator use.
Description
Technical Field
The utility model relates to the field of communications, concretely relates to antenna element.
Background
The antenna oscillator is used as an important component of a communication device for receiving, sending and converting signals at the forefront end and is widely applied to the fields of communication, intelligent driving, aerospace, military industry and the like.
The technical scheme of the antenna oscillator of the existing hot door is that after injection molding is carried out on engineering plastics or special engineering plastics with LDS (laser direct structuring) performance, laser etching processing is carried out on an oscillator base material according to the requirements of a conducting circuit to expose metal particles, and then chemical plating processing is carried out on the processed oscillator base material to form a metal coating with a circuit pattern on the surface of the oscillator. Or a conductive path is formed on the surface of the oscillator base material made of the non-LDS material by selecting the electroplating technology, so that the function of the antenna oscillator is realized. The scheme for manufacturing the antenna oscillator through the coating can greatly improve the requirement of the design freedom degree of the antenna, and is regarded as an important development direction of the antenna oscillator, however, the prior LDS treatment, electroplating or chemical plating treatment process is not mature, the yield is low, the product unit price is high, the post process is complex and not environment-friendly, the service life of the coating is to be verified, and particularly, the tests of salt mist, adhesive force, high and low temperature circulation, double 85 tests, Q value, standing wave and the like of the coating are not completely tested and certified. In addition, although the temperature resistance of engineering plastics or special engineering plastics is greatly higher than that of common plastics, the engineering plastics or the special engineering plastics cannot bear the temperature completely, and the plastic base material and the plating layer are separated during welding due to the temperatures of reflow soldering and wave soldering during the assembly of the oscillator, so that the function of the oscillator is invalid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an embedded antenna element of metalwork to solve above-mentioned problem.
The metal piece embedded antenna oscillator is characterized by comprising a flaky plastic base material, a flaky metal sheet and a columnar connecting column;
the plastic base material is formed by sequentially connecting a first supporting leg, a cross beam and a second supporting leg, and the first supporting leg and the second supporting leg are the same in length, so that the longitudinal section of the plastic base material is n-shaped;
the metal sheet welding device comprises a first support leg, a cross beam, a second support leg, a metal beam, a metal sheet and a metal sheet, wherein the first support leg is embedded with the first metal leg, the cross beam is embedded with the metal beam, the second support leg is embedded with the second metal leg, the lower end of the second metal leg is provided with an extension part, the extension part extends out of the bottom of the second support leg, the first metal leg, the metal beam and the second metal leg are sequentially connected to form the metal sheet, the longitudinal section of the metal sheet is in an inverted L shape, and the extension part is used as a welding clamping foot of the metal sheet;
the outer side wall of the connecting column is provided with a strip-shaped groove, and the second supporting legs of the plastic base materials are inserted into the strip-shaped groove.
The lower extreme of the second metal leg of this patent is equipped with the extension to the extension does the welding card foot of sheetmetal can effectively improve welding strength and temperature resistance when the oscillator equipment, guarantees reflow soldering or wave-soldering's intensity and precision, finally improves the reliability in the oscillator use. In addition, this patent has optimized the structure of antenna element, and the user can increase or reduce the number of bar recess as required, and then increases or reduces the number of antenna element's plastic substrate.
Preferably, the bottom of the first supporting leg is connected with a plastic clamping foot. The plastic clamping pins are well positioned and assembled in the assembly of the vibrators, the position accuracy of the single vibrator in the antenna assembly is ensured, and the function of each vibrator is fully embodied and exerted.
Preferably, at least three strip-shaped grooves are formed in the same connecting column, the strip-shaped grooves are arranged at equal intervals by taking the central axis of the connecting column as the center to form a ring, and the plastic base material is inserted into each strip-shaped groove.
Further preferably, the bar-shaped groove is in interference fit with the second supporting leg, two side walls of the bar-shaped groove are both provided with an outward bar-shaped recess, and the second supporting leg is provided with a bar-shaped protrusion at a position corresponding to the bar-shaped recess. Therefore, the strip-shaped groove is similar to a gourd shape or an inverted buckle shape, and the strength and the precision of the whole vibrator after assembly are further improved.
Drawings
FIG. 1 is a schematic view of a metal sheet;
FIG. 2 is a schematic view of a plastic substrate with embedded metal sheets;
fig. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of a connecting column;
fig. 5 is another schematic view of a plastic substrate with embedded metal sheets.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 3, the metal embedded antenna element includes a sheet-shaped plastic substrate 8, a sheet-shaped metal sheet 5, and a columnar connection post 10.
About plastic base material
The plastic base material 8 is formed by sequentially connecting a first supporting leg 8, a cross beam 7 and a second supporting leg 6, and the first supporting leg 8 and the second supporting leg 6 are the same in length, so that the longitudinal section of the plastic base material 8 is n-shaped. The plastic base material 8 can be engineering plastic or special engineering plastic with good mechanical property and corresponding modified plastic, thereby ensuring the mechanical strength, heat resistance, aging resistance and dimensional stability of the vibrator.
About metal sheet
The first metal leg 1, the metal beam 2, and the second metal leg 3 are connected in this order to form a metal sheet 5, and the metal sheet 5 is formed into an inverted "L" shape in longitudinal section. The metal sheet 5 can be designed into different shapes, widths, thicknesses and other structures according to technical parameters such as wavelength, use frequency and the like, so that various technical requirements are met. For example, the metal beam 2 is designed in a wave shape. The wavy metal beam 2 can increase the area of the metal sheet 5, and can effectively release energy in the expansion and contraction process, which is a preferred scheme. The metal sheet 5 may be made of copper, aluminum or stainless steel. The metal piece made of the material has excellent conductivity, and can effectively ensure the accuracy and the sensitivity of signal transmission and conversion. The surface of the metal sheet 5 can be subjected to surface treatment such as electroplating and passivation, and the service life and the period of the vibrator can be greatly prolonged by the metal sheet 5 subjected to the surface treatment.
Concerning the connection relationship between the plastic substrate 8 and the metal sheet 5
First supporting leg 8 is embedded to have first metal leg 1, and crossbeam 7 is embedded to have metal roof beam 2, and second supporting leg 6 is embedded to have second metal leg 3, and the lower extreme of second metal leg 3 is equipped with the extension, and the extension is stretched out by the bottom of second supporting leg 6 to the extension is as welding card foot 4 of sheetmetal 5. Preferably, the width of the first metal leg 1 is greater than the width of the second metal leg 3, and the width of the second metal leg 3 is greater than the width of the extension. The bottom of the first support leg 8 may be connected with a plastic catch 9. The plastic clamping pins 9 are well positioned and assembled in the assembly of the vibrators, and the position accuracy of a single vibrator in the antenna assembly is ensured, so that the function of each vibrator is fully embodied and exerted.
Connection column and assembly of components
The outer side wall of the connecting column 10 is provided with a strip-shaped groove 11. The second supporting leg 6 of the plastic substrate 8 is inserted in the strip-shaped groove 11. At least three, preferably four, strip-shaped grooves 11 are formed in the same connecting column 10. The strip-shaped grooves 11 are arranged at equal intervals by taking the central axis of the connecting column 10 as the center to form a ring shape, and a plastic substrate 8 is inserted into each strip-shaped groove 11. Preferably, bar groove 11 and 6 interference fit of second supporting leg all are equipped with an outside bar on two lateral walls of bar groove 11 and cave in 12, and second supporting leg 6 is equipped with the bar arch in the position that corresponds with the bar sunken in 12. Therefore, the strip-shaped groove is similar to a gourd shape or an inverted buckle shape, and the strength and the precision of the whole vibrator after assembly are further improved. The number of the connecting columns 10 is preferably two, and the two connecting columns are respectively inserted into the upper end and the lower end of the second supporting leg 6, so that the upper end and the lower end of the plastic base material 8 are fixed.
In respect of others
Any one plastic base material 8 can be formed by buckling two sub plastic base materials 13, the two sub plastic base materials 13 are respectively provided with a groove for accommodating a sub metal sheet, the sub metal sheet is positioned at the groove, and at least the edge of the sub metal sheet is embedded into the sub plastic base materials; the two sub-metal sheets on the two sub-plastic substrates that are fastened together constitute a metal sheet. The two sub-plastic substrates 13 may be mirror-symmetrical, or may be male-female, i.e. in case of a protrusion on one, a depression is provided on the corresponding position of the other. The groove bottom of the groove can be partially hollowed. Thereby make the sheetmetal leak outward, and then reduce the plastics substrate and to the sheltering from of sheetmetal, guarantee signal intensity. The first supporting leg of the sub-plastic substrate is provided with a sub-plastic clamping foot, and the two sub-plastic clamping feet on the two sub-plastic substrates which are buckled together form the plastic clamping foot.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The metal piece embedded antenna oscillator is characterized by comprising a flaky plastic base material, a flaky metal sheet and a columnar connecting column;
the plastic base material is formed by sequentially connecting a first supporting leg, a cross beam and a second supporting leg, and the first supporting leg and the second supporting leg are the same in length, so that the longitudinal section of the plastic base material is n-shaped;
the metal sheet welding device comprises a first support leg, a cross beam, a second support leg, a metal beam, a metal sheet and a metal sheet, wherein the first support leg is embedded with the first metal leg, the cross beam is embedded with the metal beam, the second support leg is embedded with the second metal leg, the lower end of the second metal leg is provided with an extension part, the extension part extends out of the bottom of the second support leg, the first metal leg, the metal beam and the second metal leg are sequentially connected to form the metal sheet, the longitudinal section of the metal sheet is in an inverted L shape, and the extension part is used as a welding clamping foot of the metal sheet;
the outer side wall of the connecting column is provided with a strip-shaped groove, and the second supporting legs of the plastic base materials are inserted into the strip-shaped groove.
2. The metallic embedded antenna element of claim 1, wherein a plastic clip is attached to the bottom of the first support leg.
3. The metal piece embedded antenna oscillator according to claim 1, wherein at least three strip-shaped grooves are formed in the same connecting column, the strip-shaped grooves are arranged at equal intervals around a central axis of the connecting column to form a ring, and one plastic substrate is inserted into each strip-shaped groove.
4. The metallic embedded antenna element of claim 3, wherein there are four stripe shaped grooves on the same connection post.
5. The metal piece embedded antenna element of claim 1, wherein the strip-shaped groove is in interference fit with the second support leg, an outward strip-shaped recess is formed in each of two side walls of the strip-shaped groove, and a strip-shaped protrusion is formed on the second support leg at a position corresponding to the strip-shaped recess.
6. The metal piece-embedded antenna element of claim 1, wherein the metal beam is corrugated;
the width of the first metal leg is greater than the width of the second metal leg, and the width of the second metal leg is greater than the width of the extension portion.
7. The metal piece embedded antenna element according to claim 1, wherein two connection columns are inserted into the upper end and the lower end of the second support leg respectively.
8. The metal piece embedded antenna element of claim 2, wherein any one plastic substrate is formed by buckling two sub-plastic substrates;
the two sub-plastic base materials are respectively provided with a groove for accommodating the sub-metal sheet, the sub-metal sheet is positioned at the groove, at least the edge of the sub-metal sheet is embedded into the sub-plastic base materials, and the two sub-metal sheets on the two sub-plastic base materials which are buckled together form the metal sheet;
the first supporting leg of the sub-plastic base material is provided with a sub-plastic clamping foot, and the two sub-plastic clamping feet on the two sub-plastic base materials which are buckled together form the plastic clamping foot.
9. The metal piece-embedded antenna element of claim 8, wherein a bottom portion of the groove is hollowed out.
10. The metallic embedded antenna element of claim 8, wherein the two sub-plastic substrates are mirror images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736360.2U CN210897581U (en) | 2019-10-16 | 2019-10-16 | Metal part embedded antenna oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736360.2U CN210897581U (en) | 2019-10-16 | 2019-10-16 | Metal part embedded antenna oscillator |
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| Publication Number | Publication Date |
|---|---|
| CN210897581U true CN210897581U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921736360.2U Active CN210897581U (en) | 2019-10-16 | 2019-10-16 | Metal part embedded antenna oscillator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336005A (en) * | 2021-11-09 | 2022-04-12 | 北京空间飞行器总体设计部 | Low-frequency oscillator unit, multi-band array antenna and adjusting method thereof |
-
2019
- 2019-10-16 CN CN201921736360.2U patent/CN210897581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336005A (en) * | 2021-11-09 | 2022-04-12 | 北京空间飞行器总体设计部 | Low-frequency oscillator unit, multi-band array antenna and adjusting method thereof |
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