CN216055099U - Pluggable high-power frequency hopping filter - Google Patents

Abstract

The utility model discloses a pluggable high-power frequency hopping filter, wherein each tuning capacitor is respectively welded with a tuning plate and is positioned at the bottom of the tuning plate, one end of each choke inductor is sleeved with a terminal, each choke inductor is welded with the tuning plate through the corresponding terminal and is positioned at the bottom of the tuning plate, and the other end of each choke inductor is respectively welded with a direct current plate and is positioned at the top of the direct current plate. When the filter is debugged, one end of the choke inductor is sleeved on the terminal, the choke inductor is pulled out by a user, the separation of the terminal and the choke inductor can be realized, and the tuning board and the direct current board are separated, so that enough space is provided for adjusting the tuning capacitor on the tuning board, and the choke inductor is not required to be welded.

Description

Pluggable high-power frequency hopping filter

Technical Field

The utility model relates to the technical field of filters, in particular to a pluggable high-power frequency hopping filter.

Background

The high-power frequency hopping filter is widely applied to systems such as communication systems and finger control systems, and any one capacitor branch can be connected into a resonant circuit through a PIN tube switch to generate different central frequencies. The existing high-power frequency hopping filter welds two ends of a choke inductor, a tuning board and a direct current board, the tuning capacitor needs to be frequently adjusted when the filter is debugged, the choke inductor needs to be repeatedly welded, the debugging difficulty and the workload are greatly increased, and meanwhile, the repeated welding also causes great damage to a printed board and the choke inductor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pluggable high-power frequency hopping filter, and aims to solve the problems that in the prior art, a choke inductor needs to be repeatedly welded off when the high-power frequency hopping filter is debugged, the debugging difficulty and workload are increased, and a printed board and the choke inductor are damaged.

In order to achieve the above object, the pluggable high-power frequency hopping filter according to the present invention includes a spiral inductor, a tuning plate, a dc plate, a plurality of choke inductors, and a plurality of tuning capacitors, wherein the spiral inductor is welded to the tuning plate and located at the top of the tuning plate, each tuning capacitor is welded to the tuning plate and located at the bottom of the tuning plate, one end of each choke inductor is sleeved with a terminal, each choke inductor is welded to the tuning plate through the corresponding terminal and located at the bottom of the tuning plate, and the other end of each choke inductor is welded to the dc plate and located at the top of the dc plate.

Through the plugging and unplugging of the terminal and the choke inductor, the tuning plate and the direct current plate are separated.

Every choke inductance includes skeleton, enameled wire and contact pin, the skeleton cover is located the surface of contact pin, the enameled wire cover is located the surface of skeleton, the one end of contact pin with correspond the terminal can be dismantled and be connected, the other end of contact pin with the top welding of direct current board.

The plurality of choke inductors are divided into two rows and are uniformly distributed between the tuning plate and the direct current plate.

Each of the terminals is perpendicular to the tuning plate.

Each terminal comprises a terminal body and a wire spring wire, the terminal body is welded with the tuning plate and is located at the bottom of the tuning plate, the terminal body is provided with a groove, the terminal body is sleeved at one end, away from the straight flow plate, of the contact pin through the groove, the wire spring wire is detachably connected with the groove and is located inside the groove and abuts against one end, away from the straight flow plate, of the contact pin, and the wire spring wire is hyperboloid-shaped.

The wire spring wire plays a role in fixing and pulling out a contact pin in the choke inductor through a hyperboloid shape.

The utility model has the beneficial effects that: when the filter is debugged, because a sleeve of the choke inductance is arranged on the terminal, the user pulls out the choke inductance, so that the separation of the terminal and the choke inductance can be realized, and the tuning plate and the direct current plate are separated, so that enough space is provided for adjusting the tuning capacitor on the tuning plate, and the choke inductance does not need to be welded.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a pluggable high power frequency hopping filter of the present invention.

Fig. 2 is a side view of a pluggable high power frequency hopping filter of the present invention.

FIG. 3 is a cross-sectional view of a terminal of the present invention

Fig. 4 is a schematic diagram of the structure of the choke inductor of the present invention.

The circuit comprises a 1-spiral inductor, a 2-tuning plate, a 3-direct current plate, a 4-choking inductor, a 5-tuning capacitor, a 6-terminal, a 7-groove, a 41-framework, a 42-enameled wire, a 43-pin, a 61-terminal body and a 62-wire spring wire.

Detailed Description

Reference will now be made in detail to embodiments of the utility model, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides a pluggable high power frequency hopping filter, including a spiral inductor 1, a tuning plate 2, a dc plate 3, a plurality of choke inductors 4 and a plurality of tuning capacitors 5, where the spiral inductor 1 is welded to the tuning plate 2 and located at the top of the tuning plate 2, each tuning capacitor 5 is welded to the tuning plate 2 and located at the bottom of the tuning plate 2, one end of each choke inductor 4 is sleeved with a terminal 6, each choke inductor 4 is welded to the tuning plate 2 through the corresponding terminal 6 and located at the bottom of the tuning plate 2, and the other end of each choke inductor 4 is welded to the dc plate 3 and located at the top of the dc plate 3.

In this embodiment, when the filter is debugged, since one end of the choke inductor 4 is sleeved on the terminal 6, the user can separate the terminal 6 from the choke inductor 4 by pulling out the choke inductor 4, and the tuning plate 2 and the dc plate 3 are also separated, so that there is enough space to adjust the tuning capacitor 5 on the tuning plate 2, and the choke inductor 4 does not need to be soldered.

Further, each choke inductor 4 includes a skeleton 41, an enamel wire 42 and a pin 43, the skeleton 41 is sleeved on the outer surface of the pin 43, the enamel wire 42 is sleeved on the outer surface of the skeleton 41, one end of the pin 43 is detachably connected to the corresponding terminal 6, and the other end of the pin 43 is welded to the top of the dc board 3.

In this embodiment, the bobbin 41 is made of a material having a dielectric coefficient as small as possible to improve the Q value of the choke inductor 4 on the premise of ensuring the strength, and therefore, polytetrafluoroethylene is used as the material of the bobbin 41. On the premise of ensuring the safe current, the diameter of the enameled wire 42 is as small as possible to reduce the distributed capacitance on the choke inductor 4, so that the self-resonance point of the choke inductor 4 is far greater than the working frequency, and therefore the diameter of the enameled wire 42 is selected to be 0.1 mm.

Further, the choke inductors 4 are divided into two rows and uniformly distributed between the tuning board 2 and the dc board 3.

Further, each of the terminals 6 is perpendicular to the tuning plate 2.

In this embodiment, each of the terminals 6 is perpendicular to the tuning board 2, so as to facilitate insertion and removal of the choke inductor 4.

Further, each terminal 6 includes a terminal body 61 and a wire spring wire 62, the terminal body 61 is welded to the tuning plate 2 and is located at the bottom of the tuning plate 2, the terminal body 61 has a groove 7, the terminal body 61 is sleeved on one end of the pin 43 far away from the straight flow plate 3 through the groove 7, the wire spring wire 62 is detachably connected to the groove 7 and is located inside the groove 7 and abuts against one end of the pin 43 far away from the straight flow plate 3, and the wire spring wire 62 is hyperboloid-shaped.

In this embodiment, the wire spring wire 62 is a hyperbolic surface, and when the pin 43 is inserted, the hyperbolic surface acts as a support against the pin 43, so as to fix the pin 43 and pull the pin 43 out of the wire spring wire 62.

Further, in order to ensure the terminal inserting and extracting characteristics and the welding characteristics of the terminal, the terminal 6 inserting force is 1.68n (MAX), the terminal 6 separating force is 0.28n (min), and the contact resistance is 12.5m Ω (MAX). The terminal body 61 is made of beryllium copper, the surface of the terminal body is plated with gold, the height of the terminal body is 5mm, the outer diameter of the terminal body is 1.52mm, the inner diameter of the terminal body is 0.84mm, and the depth of the groove 7 is 3.8 mm.

Further, in order to ensure the plugging and unplugging characteristics and the welding characteristics of the pins 43, the pins 43 are made of beryllium copper, the surface of the pins is plated with gold, the diameter of the pins is 0.6mm, and the length of the pins is 3.5 mm.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims (5)

1. A pluggable high-power frequency hopping filter is characterized in that,

the spiral inductor is welded with the tuning plate and located at the top of the tuning plate, each tuning capacitor is welded with the tuning plate and located at the bottom of the tuning plate, one end of each choke inductor is sleeved with a terminal, each choke inductor is welded with the tuning plate through the corresponding terminal and located at the bottom of the tuning plate, and the other end of each choke inductor is welded with the direct current plate and located at the top of the direct current plate.

2. The pluggable high power frequency hopping filter according to claim 1,

every choke inductance includes skeleton, enameled wire and contact pin, the skeleton cover is located the surface of contact pin, the enameled wire cover is located the surface of skeleton, the one end of contact pin with correspond the terminal can be dismantled and be connected, the other end of contact pin with the top welding of direct current board.

3. The pluggable high power frequency hopping filter according to claim 2,

the plurality of choke inductors are divided into two rows and are uniformly distributed between the tuning plate and the direct current plate.

4. The pluggable high power frequency hopping filter according to claim 3,

each of the terminals is perpendicular to the tuning plate.

5. The pluggable high power frequency hopping filter according to claim 4,

each terminal comprises a terminal body and a wire spring wire, the terminal body is welded with the tuning plate and is located at the bottom of the tuning plate, the terminal body is provided with a groove, the terminal body is sleeved at one end, away from the straight flow plate, of the contact pin through the groove, the wire spring wire is detachably connected with the groove and is located inside the groove and abuts against one end, away from the straight flow plate, of the contact pin, and the wire spring wire is hyperboloid-shaped.

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