CN211017338U - Nonreciprocal component and patch type isolator - Google Patents
Nonreciprocal component and patch type isolator Download PDFInfo
- Publication number
- CN211017338U CN211017338U CN201922075165.6U CN201922075165U CN211017338U CN 211017338 U CN211017338 U CN 211017338U CN 201922075165 U CN201922075165 U CN 201922075165U CN 211017338 U CN211017338 U CN 211017338U
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- circuit board
- circuit
- component
- circuit assembly
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Abstract
The utility model discloses a nonreciprocal subassembly and SMD isolator, nonreciprocal subassembly include circuit board, gyromagnetic ferrite, FPC superimposed circuit subassembly and magnet, gyromagnetic ferrite locates on the circuit board, FPC superimposed circuit subassembly locates the top surface of gyromagnetic ferrite, and FPC superimposed circuit subassembly's pin is buckled towards the circuit board and is laminated the side of gyromagnetic ferrite and be connected with the circuit board electricity, and magnet locates FPC superimposed circuit subassembly top; the FPC superposed circuit assembly comprises three FPC boards which are connected in a laminated mode, transmission lines are arranged on the FPC boards along the length direction of the FPC boards, and the three transmission lines form a common electrode portion. The non-reciprocal component provided by the utility model has novel structure and small volume; the machine can be adopted for automatic assembly, which is beneficial to improving the production efficiency; compared with the integral central conductor in the prior art, the nonreciprocal component is more resistant to welding high temperature, and the electrical performance of the nonreciprocal component is guaranteed.
Description
Technical Field
The utility model relates to an electronic communication technical field especially relates to nonreciprocal subassembly and SMD isolator.
Background
With the development of the 5G communication technology, a large number of macro base stations are laid, and large-scale circuit power amplifier tubes in the base stations need to be protected by isolators, so that the miniaturization of the isolators is imperative.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a miniaturized nonreciprocal module and a surface mount isolator having a novel structure are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the non-reciprocal component comprises a circuit board, a gyromagnetic ferrite, an FPC superposed circuit component and a magnet, wherein the gyromagnetic ferrite is arranged on the circuit board, the FPC superposed circuit component is arranged on the top surface of the gyromagnetic ferrite, pins of the FPC superposed circuit component bend towards the circuit board, are attached to the side surface of the gyromagnetic ferrite and are electrically connected with the circuit board, and the magnet is arranged above the FPC superposed circuit component; the FPC superposed circuit assembly comprises three FPC boards which are connected in a laminated mode, transmission lines are arranged on the FPC boards along the length direction of the FPC boards, and the three transmission lines form a common electrode portion.
Furthermore, a hollow area is arranged in the middle of the transmission line.
Further, the hollow area is rectangular.
Further, the included angle between any two transmission lines is 120 degrees.
Furthermore, the circuit board is provided with a matching circuit component electrically connected with the FPC superposed circuit component, and the matching circuit component comprises at least one of a capacitor, a resistor and an inductor.
Furthermore, a metallized hole is formed in the circuit board, and a pin of the FPC superposed circuit assembly is welded and conducted with the metallized hole.
Furthermore, the circuit board is provided with a plug core, and the pins of the FPC superposed circuit assembly are conducted with the plug core.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: a patch type isolator comprises the nonreciprocal component.
Furthermore, the magnetic iron comprises a bottom plate and a shielding cover plate, wherein the bottom plate is connected with the shielding cover plate to form an accommodating cavity for accommodating the non-reciprocal component, the bottom plate is welded and conducted with the circuit board, and the shielding cover plate is pressed against the top surface of the magnet.
Furthermore, soldering tin is arranged at the joint of the bottom plate and the shielding cover plate.
The beneficial effects of the utility model reside in that: the non-reciprocal component provided by the utility model has novel structure and small volume; the machine can be adopted for automatic assembly, which is beneficial to improving the production efficiency; compared with the integral central conductor in the prior art, the nonreciprocal component is more resistant to welding high temperature, and the electrical performance of the nonreciprocal component is guaranteed.
Drawings
Fig. 1 is an exploded view of a patch isolator according to a first embodiment of the present invention;
fig. 2 is an exploded view of a non-reciprocal component according to a first embodiment of the present invention;
fig. 3 is a top view of the FPC stacking circuit assembly in the nonreciprocal assembly according to the first embodiment of the present invention;
fig. 4 is a top view of the FPC board in the FPC stacking circuit assembly in the nonreciprocal assembly according to the first embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a patch isolator according to a first embodiment of the present invention.
Description of reference numerals:
1. a base plate;
2. a shielding cover plate;
3. a circuit board;
4. gyromagnetic ferrite;
5. an FPC superimposed circuit assembly;
6. a magnet;
7. a pin;
8. an FPC board;
9. a transmission line;
10. a hollow zone;
11. a matching circuit component;
12. and (4) inserting cores.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, the nonreciprocal component includes a circuit board 3, a gyromagnetic ferrite 4, an FPC superimposed circuit assembly 5, and a magnet 6, wherein the gyromagnetic ferrite 4 is disposed on the circuit board 3, the FPC superimposed circuit assembly 5 is disposed on a top surface of the gyromagnetic ferrite 4, a pin 7 of the FPC superimposed circuit assembly 5 is bent toward the circuit board 3 and attached to a side surface of the gyromagnetic ferrite 4 and electrically connected to the circuit board 3, and the magnet 6 is disposed above the FPC superimposed circuit assembly 5; the FPC superposed circuit assembly 5 comprises three FPC boards 8 which are connected in a laminated mode, transmission lines 9 arranged along the length direction of the FPC boards 8 are arranged on the FPC boards 8, and the three transmission lines 9 form a common electrode portion.
The structure/working principle of the utility model is as follows: the FPC superposed circuit component 5 is matched with the gyromagnetic ferrite 4 and an external magnetic field (namely the magnet 6) to form a gyromagnetic circuit to deflect signals, and the functions of forward transmission and reverse isolation are realized.
From the above description, the beneficial effects of the present invention are: the non-reciprocal component provided by the utility model has novel structure and small volume; the machine can be adopted for automatic assembly, which is beneficial to improving the production efficiency; compared with the integral central conductor in the prior art, the nonreciprocal component is more resistant to welding high temperature, and the electrical performance of the nonreciprocal component is guaranteed.
Further, a hollow area 10 is arranged in the middle of the transmission line 9.
Further, the hollow area 10 is rectangular.
As is apparent from the above description, the hollow region 10 of the transmission line 9 is used to form a capacitance value for matching the circuit.
Further, the included angle between any two transmission lines 9 is 120 °.
As can be seen from the above description, the three transmission lines 9 are symmetrically distributed at 120 °.
Further, a matching circuit assembly 11 electrically connected with the FPC stacking circuit assembly 5 is arranged on the circuit board 3, and the matching circuit assembly 11 includes at least one of a capacitor, a resistor, and an inductor.
As can be seen from the above description, the arrangement of the matching circuit component 11 can widen the bandwidth, reduce the insertion loss, increase the isolation, select the frequency filtering, and achieve the circuit protection effect.
Furthermore, a metallized hole is formed in the circuit board 3, and a pin 7 of the FPC superposed circuit assembly 5 is welded and conducted with the metallized hole.
From the above description, to make the size extremely small, a plurality of circuit boards 3 can be stacked up and down, and the circuit is connected through via metallization, so that the multi-layer board circuit can save space and realize better product performance.
Furthermore, an inserting core 12 is arranged on the circuit board 3, and the pin 7 of the FPC superposed circuit assembly 5 is conducted with the inserting core 12.
As can be seen from the above description, the non-reciprocal component can transmit signals through the ferrule 12.
A patch type isolator comprises the nonreciprocal component.
Further, the electromagnetic shielding device further comprises a bottom plate 1 and a shielding cover plate 2, wherein the bottom plate 1 is connected with the shielding cover plate 2 to form an accommodating cavity for accommodating the nonreciprocal component, the bottom plate 1 is welded and conducted with the circuit board 3, and the shielding cover plate 2 is pressed against the top surface of the magnet 6.
Furthermore, soldering tin is arranged at the joint of the bottom plate 1 and the shielding cover plate 2.
As can be seen from the above description, the bottom plate 1 and the shielding cover plate 2 can be connected by using an SMT molten tin welding process, which is beneficial to improving the production efficiency.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: referring to fig. 1 and 5, the patch isolator includes a bottom plate 1, a shielding cover plate 2 and a non-reciprocal component, the bottom plate 1 is connected to the shielding cover plate 2 to form an accommodating cavity for accommodating the non-reciprocal component, and a solder is disposed at a connection between the bottom plate 1 and the shielding cover plate 2.
Referring to fig. 2 to 4, the nonreciprocal component includes a circuit board 3, a gyromagnetic ferrite 4, an FPC superimposed circuit assembly 5, and a magnet 6, the gyromagnetic ferrite 4 is disposed on the circuit board 3, the FPC superimposed circuit assembly 5 is disposed on the top surface of the gyromagnetic ferrite 4, a pin 7 of the FPC superimposed circuit assembly 5 is bent toward the circuit board 3 and attached to a side surface of the gyromagnetic ferrite 4 and electrically connected to the circuit board 3, and the magnet 6 is disposed above the FPC superimposed circuit assembly 5; the FPC superposed circuit assembly 5 comprises three FPC boards 8 which are connected in a laminated mode, transmission lines 9 arranged along the length direction of the FPC boards 8 are arranged on the FPC boards 8, the three transmission lines 9 form a common electrode part, any two transmission lines 9 are not conducted, preferably, the included angle of any two transmission lines 9 is 120 degrees, understanding is easy, and the transmission lines 9 are conducted with the circuit board 3; the bottom plate 1 and the circuit board 3 are welded and conducted, and the shielding cover plate 2 is pressed against the top surface of the magnet 6. The circuit board 3 can be a PCB. For ease of assembly, the FPC board 8 includes a main body portion 13 having a circular shape, and the common electrode portion is provided on the main body portion 13.
As shown in fig. 4, a hollow area 10 is provided in the middle of the transmission line 9. In this embodiment, the hollow area 10 is rectangular. In other embodiments, the hollow zone 10 may also be of other shapes.
Referring to fig. 1 and 5, further, a matching circuit assembly 11 electrically connected to the FPC stacking circuit assembly 5 is disposed on the circuit board 3, and the matching circuit assembly 11 includes at least one of a capacitor, a resistor, and an inductor. For convenient assembly, the capacitor is preferably a patch capacitor, the resistor is a patch resistor, and the inductor is a patch inductor.
In this embodiment, the circuit board 3 is provided with an insertion core 12, and the pin 7 of the FPC stacking circuit assembly 5 is conducted with the insertion core 12. It is understood that in other embodiments, the circuit board 3 may be provided with a metallized hole, and the pin 7 of the FPC assembly 5 is soldered to the metallized hole.
In summary, the non-reciprocal component and the surface mount isolator provided by the utility model have novel structure and small volume; the machine can be adopted for automatic assembly, which is beneficial to improving the production efficiency; compared with the integral central conductor in the prior art, the nonreciprocal component is more resistant to welding high temperature, and the electrical performance of the nonreciprocal component is guaranteed.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A non-reciprocal component, characterized by: the gyromagnetic ferrite magnetic circuit comprises a circuit board, gyromagnetic ferrite, an FPC superposed circuit assembly and a magnet, wherein the gyromagnetic ferrite is arranged on the circuit board, the FPC superposed circuit assembly is arranged on the top surface of the gyromagnetic ferrite, pins of the FPC superposed circuit assembly are bent towards the circuit board, are attached to the side surface of the gyromagnetic ferrite and are electrically connected with the circuit board, and the magnet is arranged above the FPC superposed circuit assembly; the FPC superposed circuit assembly comprises three FPC boards which are connected in a laminated mode, transmission lines are arranged on the FPC boards along the length direction of the FPC boards, and the three transmission lines form a common electrode portion.
2. The non-reciprocal component of claim 1, wherein: and a hollow area is arranged in the middle of the transmission line.
3. The non-reciprocal component of claim 2, wherein: the hollow area is rectangular.
4. The non-reciprocal component of claim 1, wherein: the included angle of any two transmission lines is 120 degrees.
5. The non-reciprocal component of claim 1, wherein: the circuit board is provided with a matching circuit assembly electrically connected with the FPC superposed circuit assembly, and the matching circuit assembly comprises at least one of a capacitor, a resistor and an inductor.
6. The non-reciprocal component of claim 1, wherein: the circuit board is provided with a metallized hole, and the pin of the FPC superposed circuit assembly is welded and conducted with the metallized hole.
7. The non-reciprocal component of claim 1, wherein: and the circuit board is provided with an inserting core, and the pins of the FPC superposed circuit assembly are conducted with the inserting core.
8. SMD isolator, its characterized in that: comprising the non-reciprocal component of any one of claims 1-7.
9. The patch isolator of claim 8, wherein: the bottom plate is connected with the shielding cover plate to form an accommodating cavity for accommodating the nonreciprocal component, the bottom plate is welded and conducted with the circuit board, and the shielding cover plate is pressed against the top surface of the magnet.
10. The patch isolator of claim 9, wherein: and soldering tin is arranged at the joint of the bottom plate and the shielding cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075165.6U CN211017338U (en) | 2019-11-26 | 2019-11-26 | Nonreciprocal component and patch type isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075165.6U CN211017338U (en) | 2019-11-26 | 2019-11-26 | Nonreciprocal component and patch type isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017338U true CN211017338U (en) | 2020-07-14 |
Family
ID=71482047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922075165.6U Expired - Fee Related CN211017338U (en) | 2019-11-26 | 2019-11-26 | Nonreciprocal component and patch type isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017338U (en) |
-
2019
- 2019-11-26 CN CN201922075165.6U patent/CN211017338U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20201126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |