CN217607800U - Electronic tuner for improving anti-interference capability of intermediate frequency circuit - Google Patents
Electronic tuner for improving anti-interference capability of intermediate frequency circuit Download PDFInfo
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- CN217607800U CN217607800U CN202221486716.3U CN202221486716U CN217607800U CN 217607800 U CN217607800 U CN 217607800U CN 202221486716 U CN202221486716 U CN 202221486716U CN 217607800 U CN217607800 U CN 217607800U
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- electronic tuner
- circuit board
- aluminium system
- intermediate frequency
- power supply
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Abstract
The utility model discloses an improve intermediate frequency circuit interference killing feature's electronic tuner, including electronic tuner casing, electronic tuner circuit board and power supply circuit board are located the electronic tuner casing, the aluminium system installing frame is installed through the bolt to electronic tuner circuit board periphery, aluminium system installing frame top one end is equipped with aluminium system upper support board, power supply circuit board passes through the bolt and installs backup pad top one side on aluminium system. The electronic tuner which integrally improves the anti-interference capability of the intermediate frequency circuit has good use stability, and is assembled separately between the power supply plug-in component with strong external electromagnetic interference and the circuit board, thereby reducing the radiation of the electromagnetism to other elements on the circuit board, enabling the electronic tuner to be more stable in use and having higher practicability.
Description
Technical Field
The utility model relates to a metal processing technology field, in particular to improve intermediate frequency circuit interference killing feature's electronic tuner.
Background
In the metal processing industry, a large number of variable frequency motor mechanisms are required for driving, wherein the motors need to be subjected to variable frequency tuning to realize static tuning or dynamic tuning.
The patent number CN201621433663.3 discloses an electronic tuner for improving the anti-interference capability of an intermediate frequency circuit, which comprises a housing, wherein a control switch is arranged on one side of the housing, and a frequency modulation knob is arranged on one side of the control switch; the device of this application has following drawback: lack the separation subassembly that assists anti-jamming to internal power supply circuit, be unfavorable for reducing the influence to the component radiation on the circuit after power connector subassembly and outside switch-on. To this end, an electronic tuner for improving the interference rejection of an intermediate frequency circuit is proposed.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an electronic tuner capable of improving the interference rejection of an intermediate frequency circuit, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an improve electronic tuner of intermediate frequency circuit interference killing feature, includes electronic tuner casing, electronic tuner circuit board and power supply circuit board are located the electronic tuner casing, the aluminium system installing frame is installed through the bolt to electronic tuner circuit board periphery, aluminium system installing frame top one end is equipped with aluminium system and goes up the backup pad, power supply circuit board passes through the bolt and installs backup pad top one side on aluminium system.
Further, the bottom of the two sides of the aluminum upper supporting plate is bent to form supporting side plates, and the supporting side plates are connected with the aluminum mounting frame through bolts in an installing mode.
Furthermore, an L-shaped aluminum partition plate is arranged on one side of the power circuit board, and the L-shaped aluminum partition plate is connected with an aluminum upper support plate through bolts.
Further, the aluminum mounting frame and the electronic tuner circuit board are connected with the inner bottom of the electronic tuner shell through bolts.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through backup pad and L type aluminium system baffle on aluminium system installing frame, the aluminium system in succession for the inside anti-interference mounting structure that possesses that provides of electronic tuner, the realization separates the assembly with electronic tuner circuit board and the power supply circuit board of electronic tuner to reduce power supply circuit board and external circuit and peg graft the back, the power connection produces electromagnetic interference to internal circuit, thereby improve the interference phenomenon to the circuit.
2. The electronic tuner which integrally improves the anti-interference capability of the intermediate frequency circuit has good use stability, and is assembled separately between the power supply plug-in component with strong external electromagnetic interference and the circuit board, thereby reducing the radiation of the electromagnetism to other elements on the circuit board, enabling the electronic tuner to be more stable in use and having higher practicability.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the electronic tuner of the present invention for improving the anti-interference capability of the intermediate frequency circuit.
Fig. 2 is a schematic diagram of the electronic tuner housing structure of the electronic tuner of the present invention for improving the anti-interference capability of the if circuit.
Fig. 3 is a schematic diagram of a power circuit board structure of an electronic tuner for improving the anti-interference capability of an intermediate frequency circuit.
Fig. 4 is a schematic diagram of the structure of the L-shaped aluminum partition board of the electronic tuner of the present invention for improving the anti-interference capability of the if circuit.
In the figure: 1. an electronic tuner housing; 2. an electronic tuner circuit board; 3. a power supply circuit board; 4. an aluminum mounting frame; 5. supporting the side plates; 6. an aluminum upper support plate; 7. an L-shaped aluminum separator.
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 is further described below with reference to the following embodiments.
As shown in fig. 1-4, an electronic tuner for improving the anti-interference capability of an intermediate frequency circuit comprises an electronic tuner shell 1, an electronic tuner circuit board 2 and a power circuit board 3, the electronic tuner circuit board 2 and the power circuit board 3 are located in the electronic tuner shell 1, an aluminum installation frame 4 is installed on the periphery of the electronic tuner circuit board 2 through bolts, a supporting plate 6 is arranged on aluminum at one end of the top of the aluminum installation frame 4, and the power circuit board 3 is installed on one side of the top of the supporting plate 6 on the aluminum through bolts.
The bottom parts of two sides of the aluminum upper supporting plate 6 are bent to form supporting side plates 5, and the supporting side plates 5 are installed and connected with the aluminum installation frame 4 through bolts; as shown in fig. 2 and 4, the support of the aluminum upper support plate 6 is realized by the support side plate 5.
An L-shaped aluminum partition plate 7 is arranged on one side of the power circuit board 3, and the L-shaped aluminum partition plate 7 is in bolted installation connection with an aluminum upper support plate 6; as shown in fig. 4, the L-shaped aluminum spacer 7 reduces interference of the side surface of the power circuit board 3 with the electronic tuner circuit board 2.
The aluminum mounting frame 4 and the electronic tuner circuit board 2 are mounted and connected with the bottom in the electronic tuner shell 1 through bolts; as shown in fig. 3 and 4, the aluminum mounting frame 4 supports the L-shaped aluminum spacer 7.
It is required to explain, the utility model relates to an improve intermediate frequency circuit interference killing feature's electronic tuner, in operation, the personnel with electronic tuner circuit board 2 and power supply circuit board 3 respectively to aluminium system on 6 tops of backup pad and bottom lay, utilize aluminium system to go up backup pad 6 and realize separating electronic tuner circuit board 2 and power supply circuit board 3, it is fixed to carry out the bolt installation with aluminium system installing frame 4 and electronic tuner circuit board 2 to electronic tuner casing 1 inside, and keep power supply circuit board 3's power interface to arrange electronic tuner casing 1's edge in, in order to help the convenient grafting of personnel.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an improve electronic tuner of intermediate frequency circuit interference killing feature, includes electronic tuner casing (1), electronic tuner circuit board (2) and power supply circuit board (3), its characterized in that, electronic tuner circuit board (2) and power supply circuit board (3) are located electronic tuner casing (1), aluminium system installing frame (4) are installed through the bolt in electronic tuner circuit board (2) periphery, aluminium system installing frame (4) top one end is equipped with backup pad (6) on the aluminium system, backup pad (6) top one side is installed in the aluminium system through the bolt in power supply circuit board (3).
2. The electronic tuner of claim 1, wherein the electronic tuner is configured to improve immunity to interference from intermediate frequency circuitry, and wherein: the bottom of two sides of the aluminum upper supporting plate (6) is bent to form a supporting side plate (5), and the supporting side plate (5) is connected with the aluminum mounting frame (4) through bolts in a mounting mode.
3. An electronic tuner as claimed in claim 1 for improving the immunity of intermediate frequency circuitry to interference, wherein: power supply circuit board (3) one side is equipped with L type aluminium system baffle (7), backup pad (6) bolted mounting connection on L type aluminium system baffle (7) and the aluminium system.
4. The electronic tuner of claim 1, wherein the electronic tuner is configured to improve immunity to interference from intermediate frequency circuitry, and wherein: the aluminum mounting frame (4) and the electronic tuner circuit board (2) are connected with the bottom in the electronic tuner shell (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221486716.3U CN217607800U (en) | 2022-06-14 | 2022-06-14 | Electronic tuner for improving anti-interference capability of intermediate frequency circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221486716.3U CN217607800U (en) | 2022-06-14 | 2022-06-14 | Electronic tuner for improving anti-interference capability of intermediate frequency circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607800U true CN217607800U (en) | 2022-10-18 |
Family
ID=83587045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221486716.3U Active CN217607800U (en) | 2022-06-14 | 2022-06-14 | Electronic tuner for improving anti-interference capability of intermediate frequency circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607800U (en) |
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2022
- 2022-06-14 CN CN202221486716.3U patent/CN217607800U/en active Active
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