CN217435531U

CN217435531U - Integrated wired and wireless charging control system

Info

Publication number: CN217435531U
Application number: CN202220702494.8U
Authority: CN
Inventors: 梁永峰; 任如昱; 吴天龙; 徐喜红; 宋磊
Original assignee: Anjie Wireless Technology Suzhou Co ltd
Current assignee: Anjie Wireless Technology Suzhou Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-16
Anticipated expiration: 2032-03-29

Abstract

The utility model provides a wired wireless charging control system of integral type, it includes: the wireless charging control module comprises a wired charging control module, a wireless charging control module, a heat dissipation module and a shell. The utility model discloses a module design thinking arranges wired charge control module group, wireless charge control module group, heat dissipation module in same shell according to specific mode. Make the utility model discloses a control system has possessed wired control and wireless control's dual function, fully satisfied the actual control demand that electric automobile charges. The heat dissipation module is itself when providing good heat dissipation function, still assists the encapsulation that integrates of wired charge control module group, wireless charge control module group, and is reasonable through overall arrangement between each module for each module is when possessing high integration, and whole volume is less.

Description

Integrated wired and wireless charging control system

Technical Field

The utility model relates to a wireless charging technology field especially relates to a wired wireless charging control system of integral type.

Background

With the popularization and promotion of electric vehicles, the charging problem of electric vehicles becomes one of the technical problems which need to be solved urgently. At present, electric automobiles are mainly realized by wired charging and wireless charging.

Wherein, wired charging needs the configuration to fill electric pile, is connected with electric automobile's the mouth that charges through filling the rifle that charges on the electric pile, realizes charging for electric automobile. The wireless charging is realized by respectively arranging wireless charging devices at an automobile end and a ground end and by adopting an electromagnetic mutual inductance technology.

Above-mentioned wired charging and wireless charging all need corresponding control box to carry out charging control, and current wired charging control box and wireless charging control box set up respectively, and every kind of control box only can realize the charging control of single mode, and the function is comparatively single, can't the fully provided actual user demand. Therefore, there is a need for further solutions to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wired wireless charging control system of integral type to overcome the not enough that exists among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that:

an integrated wired and wireless charging control system, comprising: the wireless charging control module comprises a wired charging control module, a wireless charging control module, a heat dissipation module and a shell;

the heat dissipation module is encapsulated in the shell, the heat dissipation module includes: the module comprises a module body, a mounting cavity formed on one side of the module body and a heat dissipation structure formed on the other side of the module body, wherein a substrate is arranged in the mounting cavity;

the wired control module that charges is located the upper portion space of place installation cavity, and it includes: the first external power supply is arranged on one side of the wired control board;

the wireless charging control module comprises: the first wireless control panel and the second external power supply are arranged in the upper space of the installation cavity, integrated on one surface of the substrate and arranged side by side with the wired charging control module; the second wireless control board is arranged in the lower space of the installation cavity, and each device of the second wireless control board is arranged in the corresponding sub-cavity of the installation cavity.

As the utility model discloses the wired wireless charging control system's of integral type improvement, the vent has still been seted up on at least one lateral wall of shell.

As the utility model discloses the wired wireless charging control system's of integral type improvement, seted up on the wall of the shell of heat dissipation module both sides respectively the vent.

As the utility model discloses the wired wireless charging control system's of integral type improvement, heat radiation structure for form in a plurality of fins of module body opposite side, a plurality of fins with can carry out heat-conduction between the module body.

As the utility model discloses the wired wireless charge control system's of integral type improvement, the wired wireless charge control system of integral type still includes: a fan assembly; the fan assembly is arranged on one side of the heat dissipation structure.

As the utility model discloses the wired wireless charging control system's of integral type improvement, fan assembly includes: at least one heat dissipation fan;

when the number of the heat dissipation fans is multiple, the heat dissipation fans are arranged on one side of the heat dissipation structure side by side, and the heat dissipation fans are fixed in an auxiliary manner by the fan outer cover.

As the utility model discloses the wired wireless charging control system's of integral type improvement, wired control panel includes: the wireless communication device comprises a main control chip, a wireless communication chip, an input terminal, an output terminal and an internal power supply; the devices are laid out as follows:

the input terminal and the output terminal are arranged at the edge of one side of the wired control board, and the wireless communication chip is arranged at the edge of the other side of the wired control board; the main control chip and the internal power supply are arranged in the middle area of the wired control board.

As the utility model discloses wired wireless charging control system's of integral type improvement, first external power source and second external power source all include: the device comprises an electrolytic capacitor, a radiating fin, a first transformer, a resistor and a plurality of first capacitors; the first external power supply and the second external power supply are arranged in opposite directions;

the electrolytic capacitor and the first transformer are arranged on one side of the power fixing plate side by side, the radiating fins and the resistors are arranged opposite to the electrolytic capacitor and the first transformer and arranged on the other side of the power fixing plate side by side, and the first capacitors are arranged on one side of the first transformer and the resistors side by side.

As the utility model discloses the wired wireless charging control system's of integral type improvement, second wireless control panel includes: the capacitor box, the first inductor, the second capacitor, the second inductor, the third capacitor, the fourth capacitor, the MOS tube, the third inductor, the fourth inductor, the fifth capacitor, the first relay, the second transformer and the second relay;

the second capacitor is arranged at the upper left corner of the substrate;

the first inductor is arranged below the second capacitor and close to the left edge of the substrate;

the capacitor box is arranged below the first inductor and close to the left edge of the substrate;

the second inductor and the third capacitor are arranged at the upper end of the substrate and are arranged side by side from left to right;

the fourth capacitor is positioned below the third capacitor and is close to the right edge of the substrate;

the MOS tube is arranged below the fourth capacitor and positioned on the right side of the second capacitor;

the third inductor is arranged below the MOS tube and positioned on the right side of the first inductor;

the fourth inductor is arranged below the third inductor and positioned on the right side of the first inductor;

the fifth capacitor is arranged at the lower right corner of the substrate;

the first relay, the second transformer and the second relay are arranged below the fourth inductor in parallel from right to left and are positioned on the left side of the fifth capacitor.

As an improvement of the integrated wired and wireless charging control system of the utility model, first to fifth sub-cavities separated by a partition plate are formed in the mounting cavity;

the first sub-cavity is formed at the upper part of the module body and used for accommodating and installing a second capacitor, a second inductor, a fourth capacitor and an MOS (metal oxide semiconductor) tube;

the second sub-cavity is a transversely arranged kidney-shaped cavity, is positioned on the left side below the first sub-cavity and is used for accommodating and mounting the third inductor;

the third sub-cavity is positioned below the second sub-cavity and used for accommodating and installing the fourth inductor, the fifth capacitor, the first relay, the second transformer and the second relay;

the fourth sub-cavity is a vertically arranged rectangular cavity, is positioned on the right side of the second sub-cavity and the third sub-cavity, and is used for accommodating and mounting the first inductor;

the fifth sub-cavity is surrounded by the outer side walls of the third sub-cavity and the fourth sub-cavity and is used for accommodating and mounting the capacitance box.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a module design thinking arranges wired charge control module group, wireless charge control module group, heat dissipation module in same shell according to specific mode. Make the utility model discloses a control system has possessed wired control and wireless control's dual function, fully satisfied the actual control demand that electric automobile charges.

The heat dissipation module is itself when providing good heat dissipation function, still assists the encapsulation that integrates of wired charge control module group, wireless charge control module group, and is reasonable through overall arrangement between each module for each module is when possessing high integration, and whole volume is less.

Drawings

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

Fig. 1 is a schematic perspective exploded view of an embodiment of an integrated wired and wireless charging control system of the present invention;

FIG. 2 is a schematic view of the mounting assembly of FIG. 1 shown in position in an outer bottom cover plate;

FIG. 3 is an exploded perspective view of the mounting assembly of FIG. 2;

FIG. 4 is an enlarged perspective view of the heat sink module and the fan assembly shown in FIG. 1;

FIG. 5 is a perspective view of the heat sink module and the fan assembly shown in FIG. 4 from another angle;

fig. 6 is a schematic perspective view illustrating a wired charging control module integrated on a substrate;

FIG. 7 is a perspective view of the first external power source of FIG. 6;

FIG. 8 is a perspective view of a second wireless control panel;

FIG. 9 is a perspective view of the second wireless control panel at another angle;

fig. 10 is a perspective view of the heat dissipation module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment of the utility model provides a wired wireless charging control system of integral type, this system can regard as the control end use in the electric automobile charging process, controls the electric pile that fills under the wired charging mode to and control ground charging device and on-vehicle charging device under the wireless charging mode.

As shown in fig. 1, the integrated wired and wireless charging control system of the present embodiment includes: a wired charging control module 10, a wireless charging control module 20, a heat dissipation module 30 and a housing 40.

The wired charging control module 10, the wireless charging control module 20 and the heat dissipation module 30 are integrally installed in the housing 40, so as to realize integrated packaging and protection of the three.

The housing 40 includes: a housing 41, an outer top cover plate 42, and an outer bottom cover plate 43.

The housing 41 is vertically through, and the wired charging control module 10 and the wireless charging control module 20 are vertically arranged in a space surrounded by the housing 41.

In order to facilitate the dissipation of internal heat and reduce the accumulation of heat, at least one sidewall of the housing 41 is provided with a vent 410. In one embodiment, the vents 410 open on opposite sidewalls of the housing 41. Therefore, the circulation of air inside the casing 41 is facilitated, and the heat dissipation effect is further improved.

In addition, a window 411 for facilitating wiring is further disposed on the side wall of the housing 41, and the window 411 exposes interfaces of the wired charging control module 10 and the wireless charging control module 20 which are integrally disposed inside. In this manner, external wiring may be connected to the corresponding interface through the window 411. In addition, a shield 44 is installed at the window 411, and the shield 44 has an opening communicating with the outside.

An outer top cover plate 42 is installed at the top opening of the shell 41 to realize the encapsulation of the top of the shell 41; an outer bottom cover plate 43 is mounted to the bottom opening of the housing 41 to provide an enclosure for the bottom of the housing 41.

As shown in fig. 2, in order to facilitate the installation and fixation of the integrated wired and wireless charging control system of the present embodiment, a mounting assembly 50 is further disposed on the outer bottom cover plate 43. Thus, the mounting assembly 50 can facilitate mounting the charging control system of the present embodiment on a corresponding wall.

As shown in fig. 3, the mounting assembly 50 includes: an inner fixing frame 51 and an outer fixing frame 52. The inner frame 51 is fixed to the outer bottom plate 43, and the outer frame 52 is assembled to one side of the inner frame 51. The inner frame 51 and the outer frame 52 are both of a rectangular structure, and the inner edge of the inner frame 51 is further provided with a tab 511 extending integrally. In this way, the mounting assembly 50 can be first fixed on the corresponding wall through the outer fixing frame 52, and then the charging control system of the present embodiment can be connected with the tab 511 of the inner fixing frame 51.

As described above, the heat dissipation module 30 is enclosed in the housing 40, and is used for heat dissipation and assembly fixation of the wired charging control module 10 and the wireless charging control module 20.

As shown in fig. 4 and 5, the heat sink module 30 includes: the module comprises a module body 31, a mounting cavity 32 formed at one side of the module body 31, and a heat dissipation structure 33 formed at the other side of the module body 31. The other side of the module body 31 is further provided with a plurality of connecting pins 311 distributed outside the heat dissipating structure 33, and the heat dissipating module 30 is locked to the outer bottom cover plate 43 of the housing 40 through the plurality of connecting pins 311.

Wherein, the installation cavity 32 forms an assembly space of the wired charging control module 10 and the wireless charging control module 20. The mounting cavity 32 includes: the wireless charging control module comprises peripheral side walls 321 and a plurality of partition plates 322 arranged on the module body 31, wherein the plurality of partition plates 322 enclose a plurality of sub-cavities suitable for assembling devices in the wired charging control module 10 and the wireless charging control module 20. Correspondingly, each sub-cavity is distributed according to the arrangement mode of the devices in the module.

In one embodiment, the heat dissipation structure 33 is a plurality of fins formed on the other side of the module body 31, and the plurality of fins can conduct heat with the module body 31. Accordingly, the plurality of fins and the module body 31 can be integrally formed. In the arrangement mode, the fins are parallel to each other and keep proper intervals, so that heat can be dissipated timely.

In addition, in order to improve the heat dissipation effect, the integrated wired/wireless charging control system of the present embodiment further includes a fan assembly 60 for assisting the heat dissipation module 30 to dissipate heat.

Specifically, the fan assembly 60 is disposed at one side of the heat dissipation structure 33. Thus, when the fan assembly 60 is in operation, air can be supplied to the heat dissipation structure 33, thereby assisting in dissipating heat from the heat dissipation structure 33. The fan assembly 60 includes: at least one heat radiation fan 61.

In one embodiment, the number of the heat dissipation fans 61 is plural, and the plural heat dissipation fans 61 are arranged side by side on one side of the heat dissipation structure 33 and are assisted and fixed by the fan cover 62. Correspondingly, the housing 41 on both sides of the heat dissipation structure 33 is provided with the above-mentioned ventilation opening 410. Accordingly, each of the heat dissipation fans 61 may continuously blow the external air onto the heat dissipation structure 33 while being operated.

In addition, in order to realize directional air exhaust, an air duct 34 is further provided between the other side of the heat dissipation structure 33 and the opposite air vent 410. The air duct 34 is disposed to penetrate in the air blowing direction, and has one end abutting against the other side of the heat dissipating structure 33 and the other end abutting against the air vent 410. Therefore, the device is beneficial to the rapid emission of hot air flow, and further avoids the formation of backflow. And the ventilation openings 410 on both sides of the housing 41 are also mounted with the cover plates 35.

The wired charging control module 10 and the wireless charging control module 20 are integrally arranged in the mounting cavity 32. In order to implement the integrated design, in the technical solution of this embodiment, the arrangement modes of the devices in the wired charging control module 10 and the wireless charging control module 20 in the space are mainly optimized, so that the wired and wireless modules can be compactly arranged.

Specifically, the wired charging control module 10 and the wireless charging control module 20 are integrated on a substrate 36.

As shown in fig. 6, the wired charging control module 10 is disposed at an upper portion of the installation cavity 32, and is configured to control the charging pile in the wired charging mode. The wired charging control module 10 includes: a wired control board 11 and a first external power source 12 integrated on one side of the substrate 36, and the first external power source 12 is disposed at one end of the wired control board 11 at intervals.

The wired control board 11 includes: the main control chip 110, the wireless communication chip 111, the input terminal 112, the output terminal 113, and the internal power supply 114. The main control chip 110 is in signal transmission with the wireless communication chip 111, the input terminal 112 and the output terminal 113, and the internal power source 114 is used as a standby power source and is electrically connected with the main control chip 110 and the wireless communication chip 111. In one embodiment, the wireless communication chip 111 is a wireless chip supporting 4G communication.

Further, the devices are laid out as follows: the input terminal 112 and the output terminal 113 are disposed at one edge of the wired control board 11, and the wireless communication chip 111 is disposed at the other edge of the wired control board 11. The main control chip 110 and the internal power supply 114 are disposed in the middle area of the wired control board 11.

The first external power supply 12 supplies power to the wired control board 11, which may adopt an existing power module form, and in the technical scheme of this embodiment, the arrangement of the devices therein is further optimally designed to achieve the purpose of enabling the wired and wireless modules to be compactly arranged.

As shown in fig. 7, the first external power supply 12 includes: electrolytic capacitor 121, heat sink 122, first transformer 123, resistor 124, and first capacitors 125.

The electrolytic capacitor 121 and the first transformer 123 are disposed side by side on one side of the power fixing plate, and the heat sink 122 and the resistor 124 are disposed opposite to the electrolytic capacitor 121 and the first transformer 123 and disposed side by side on the other side of the power fixing plate. A plurality of first capacitors 125 are disposed substantially side by side on one side of the first transformer 123 and the resistor 124.

The wireless charging control module 20 is used for controlling the ground charging device and the vehicle-mounted charging device in the wireless charging mode. The wireless charging control module 20 includes: a first wireless control board 21, a second external power supply 22, and a second wireless control board 23.

The first wireless control board 21 and the second external power source 22 are disposed on the upper portion of the mounting cavity 32, and are arranged side by side with the wired charging control module 10. Wherein the first wireless control board 21 is located at one side of the wired control board 11, and the second external power supply 22 is located at one side of the first external power supply 12. The first wireless control board 21 may specifically adopt an existing communication control board; the second external power supply 22 has the same structure as the first external power supply 12 and is disposed in the opposite direction to the first external power supply 12.

The second wireless control board 23 is disposed at a lower portion of the mounting chamber 32, and has various devices disposed in the sub-chamber of the module body 31.

As shown in fig. 8 and 9, the second wireless control board 23 includes: the capacitor box 231, the first inductor 232, the second capacitor 233, the second inductor 234, the third capacitor 235, the fourth capacitor 236, the MOS transistor 237, the third inductor 238, the fourth inductor 239, the fifth capacitor 240, the first relay 241, the second transformer 242, the second relay 243, and the heat sink 244.

With reference to the orientation of the second wireless control board 23 in fig. 9, the second wireless control board 23 has the following arrangement of the respective devices:

the second capacitor 233 is disposed at the upper left corner of the substrate 36.

The first inductor 232 is disposed below the second capacitor 233 and near the left edge of the substrate 36. In one embodiment, the first inductors 232 are two sets, and the two sets of first inductors 232 are disposed side by side from top to bottom.

The capacitor box 231 is used for controlling each capacitor device, and is disposed below the two sets of first inductors 232 and near the left edge of the substrate 36.

The second inductor 234 and the third capacitor 235 are disposed on the upper end of the substrate 36, and are disposed side by side from left to right. In one embodiment, the number of the third capacitors 235 is multiple, the multiple third capacitors 235 are disposed on the substrate 36 in two rows, and the third capacitors 235 in any row are laterally disposed side by side.

The fourth capacitor 236 is disposed below the lower row of the plurality of third capacitors 235 and is disposed near the right edge of the substrate 36.

The MOS tube 237 is disposed below the fourth capacitor 236 and is located at the right side of the second capacitor 233. In one embodiment, there are a plurality of MOS transistors 237, the plurality of MOS transistors 237 are disposed on the substrate 36 in two rows, and the MOS transistors 237 in any row are laterally disposed side by side. The heat sink 244 is disposed between the two rows of MOS transistors 237 to assist in dissipating heat of the two rows of MOS transistors 237.

The third inductor 238 is disposed below the MOS transistor 237 and located on the right side of the upper first inductor 232. In one embodiment, the third inductors 238 are in three sets, and the three sets of third inductors 238 are laterally arranged side by side.

The fourth inductor 239 is disposed below the middle set of third inductors 238 and is substantially located on the right side of the lower first inductor 232. In one embodiment, there are two sets of the fourth inductors 239, and the two sets of the fourth inductors 239 are arranged side by side from top to bottom.

The fifth capacitor 240 is disposed at the lower right corner of the substrate 36. In one embodiment, there are a plurality of fifth capacitors 240, the plurality of fifth capacitors 240 are disposed on the substrate 36 in two rows, and the fifth capacitors 240 in any row are vertically disposed side by side.

The first relay 241, the second transformer 242, and the second relay 243 are disposed below the fourth inductor 239 from right to left side in parallel, and are located at the left side of the lower row of fifth capacitors 240.

Correspondingly, the module body 31 is formed with first to fifth sub-cavities 323 to 327 separated by a partition.

As shown in fig. 10, the first sub-cavity 323 is formed at an upper position of the module body 31, and is used for accommodating and mounting the second capacitor 233, the second inductor 234, the fourth capacitor 236 and the MOS transistor 237. And a step structure is further provided in the first sub-chamber 323 to facilitate the arrangement of the devices.

The second sub-chamber 324 is a transversely disposed kidney-shaped chamber located on the left side below the first sub-chamber 323 and used for accommodating and mounting the three sets of third inductors 238.

The third sub-chamber 325 is located below the second sub-chamber 324, and is used for accommodating and mounting the fourth inductor 239, the fifth capacitor 240, the first relay 241, the second transformer 242, and the second relay 243.

The fourth sub-chamber 326 is a vertically disposed rectangular chamber, which is located at the right side of the second sub-chamber 324 and the third sub-chamber 325, and is used for accommodating and mounting the first inductor 232.

A fifth sub-chamber 327 is defined by the outer side walls of the third and

fourth sub-chambers

325, 326 for receiving the mounted capacitor box 231.

To sum up, the utility model discloses a module design thinking arranges wired charge control module group, wireless charge control module group, heat dissipation module in same shell according to specific mode. Make the utility model discloses a control system has possessed wired control and wireless control's dual function, fully satisfied the actual control demand that electric automobile charges.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wired wireless charging control system of integral type which characterized in that, wired wireless charging control system of integral type includes: the wireless charging control module comprises a wired charging control module, a wireless charging control module, a heat dissipation module and a shell;

the heat dissipation module is encapsulated in the shell, the heat dissipation module includes: the module comprises a module body, an installation cavity formed at one side of the module body and a heat dissipation structure formed at the other side of the module body, wherein a substrate is arranged in the installation cavity;

2. The integrated wired and wireless charging control system according to claim 1, wherein at least one side wall of the housing is further provided with a ventilation opening.

3. The wired and wireless integrated charging control system of claim 2, wherein the vents are respectively disposed on the wall surfaces of the housing at the two sides of the heat dissipation module.

4. The integrated wired and wireless charging control system according to claim 1, wherein the heat dissipation structure is a plurality of fins formed on the other side of the module body, and the plurality of fins can conduct heat with the module body.

5. The integrated wired and wireless charging control system according to any one of claims 1 to 4, further comprising: a fan assembly; the fan assembly is arranged on one side of the heat dissipation structure.

6. The integrated wired and wireless charging control system according to claim 5, wherein the fan assembly comprises a plurality of heat dissipation fans; the plurality of radiating fans are arranged on one side of the radiating structure side by side, and the plurality of radiating fans are fixed in an auxiliary mode through the fan outer cover.

7. The integrated wired and wireless charging control system according to claim 1, wherein the wired control board comprises: the wireless communication device comprises a main control chip, a wireless communication chip, an input terminal, an output terminal and an internal power supply; the devices are laid out as follows:

8. The integrated wired-wireless charging control system according to claim 1, wherein the first external power supply and the second external power supply each comprise: the device comprises an electrolytic capacitor, a radiating fin, a first transformer, a resistor and a plurality of first capacitors; the first external power supply and the second external power supply are arranged in opposite directions;

9. The integrated wired and wireless charging control system according to claim 1, wherein the second wireless control board comprises: the capacitor box, the first inductor, the second capacitor, the second inductor, the third capacitor, the fourth capacitor, the MOS tube, the third inductor, the fourth inductor, the fifth capacitor, the first relay, the second transformer and the second relay;

the second capacitor is arranged at the upper left corner of the substrate;

the fifth capacitor is arranged at the lower right corner of the substrate;

the first relay, the second transformer and the second relay are arranged below the fourth inductor from right to left side in parallel and are positioned on the left side of the fifth capacitor.

10. The integrated wired and wireless charging control system according to claim 9, wherein first to fifth sub-cavities partitioned by a partition are formed in the mounting cavity;

the fourth sub-cavity is a vertically arranged rectangular cavity, is positioned on the right sides of the second sub-cavity and the third sub-cavity, and is used for accommodating and mounting the first inductor;

the fifth sub-cavity is formed by surrounding outer side walls of the third sub-cavity and the fourth sub-cavity and used for accommodating and installing the capacitance box.