Dielectric resonator mounting structure

Abstract

The utility model relates to the technical field of resonator installation, in particular to a dielectric resonator installation structure, which comprises a cavity and a dielectric resonator arranged in the cavity, the center of the bottom of the cavity extends into the cavity to form a base, the dielectric resonator is arranged on the base, and the dielectric resonator is arranged in the cavity. And a soft metal gasket is arranged between the dielectric resonator and the mounting surface of the base. According to the utility model, the base extends out of the bottom of the cavity, the dielectric resonator can be installed in the cavity, the soft metal gasket is arranged, and the soft metal gasket absorbs external impact force through deformation in the dielectric resonator installation and transportation process, so that the conductivity of the dielectric resonator and the cavity is ensured, and the dielectric resonator is prevented from being damaged. And the stress on the dielectric resonator is reduced, so that the possibility of fragmentation of the dielectric resonator is reduced.

Description

Technical Field

[0001] This utility model relates to the field of resonator installation technology, specifically to a dielectric resonator installation structure. Background Technology

[0002] In modern wireless communication, radar, and microwave circuit systems, dielectric resonators are highly favored due to their unique electromagnetic properties and compact size. Dielectric resonators are primarily made of ceramic materials sintered at high temperatures. As the core component of dielectric resonators, ceramic materials have a high dielectric constant, enabling them to store more electric field energy in the same volume, thus achieving a higher Q-value resonance and contributing to improved circuit performance and efficiency. However, due to the relatively dense crystal structure of ceramic materials and the fact that their chemical bonds are mostly ionic or covalent, they are prone to fracture or breakage under external forces. In practical applications, dielectric resonators may be subjected to various impacts and vibrations during manufacturing, transportation, and installation, easily leading to breakage or damage. Furthermore, significant changes in ambient temperature or adverse factors such as mechanical vibration can also cause the resonator to break or be damaged. For example, in environments with high temperature, low temperature, or high humidity, the brittleness of ceramic materials may be further exacerbated, leading to a decrease in the reliability of the resonator. Therefore, dielectric resonators suffer from susceptibility to damage and low reliability in practical use. Utility Model Content

[0003] This utility model provides a mounting structure for a dielectric resonator, aiming to solve the problem of low reliability in the prior art, where dielectric resonators are made of ceramic materials and are easily damaged by hard impacts or stress during actual use.

[0004] This utility model is implemented as follows: Firstly, it provides a dielectric resonator mounting structure, including a cavity and a dielectric resonator disposed inside the cavity. A base extends into the cavity from the bottom center of the cavity, the dielectric resonator is disposed on the base, and a soft metal gasket is provided between the dielectric resonator and the mounting surface of the base.

[0005] Furthermore, the soft metal pad has an annular structure and a first through hole at the center.

[0006] Furthermore, the base has a ring structure and a mounting groove at its center.

[0007] Furthermore, the dielectric resonator includes a resonant body and a support member disposed between the resonant body and the flexible metal pad, wherein the resonant body and the support member have a resonant cavity formed on the same vertical axis.

[0008] Furthermore, the support member has a countersunk hole at one end near the base, the countersunk head of the countersunk screw is limited by the countersunk hole, and the threaded part of the countersunk screw is inserted into the first through hole and the mounting groove.

[0009] Furthermore, the annular dimension of the flexible metal pad does not exceed the annular dimension of the base.

[0010] Furthermore, the top of the cavity is provided with a tuning cover plate, which is connected to the upper end of the annular wall of the cavity through multiple connectors.

[0011] Furthermore, the tuning cover plate is provided with a second through hole corresponding to the position of the resonant cavity, and a tuning screw is inserted through the second through hole, with one end of the tuning screw facing the cavity directly opposite the resonant cavity.

[0012] Furthermore, the cavity is connected to a first connector and a second connector that are fixed based on fasteners and are symmetrically arranged.

[0013] Furthermore, the first connector and the second connector each include a connecting portion and a fixing portion extending laterally from the middle of the connecting portion. The fixing portion is provided with a fixing hole, and the side wall of the cavity is provided with a first mounting hole and a second mounting hole. One side of the connecting portion passes through the first mounting hole, and the fixing hole and the second mounting hole are connected by the fixing member.

[0014] The beneficial effects achieved by this utility model are as follows: by extending a base from the bottom of the cavity, the dielectric resonator can be installed inside the cavity. Furthermore, by setting a soft metal gasket between the dielectric resonator and the mounting surface of the base, the soft metal gasket absorbs external impact forces through deformation during the installation and transportation of the dielectric resonator. This ensures the conductivity of the dielectric resonator and the cavity, while reducing the stress on the dielectric resonator, thereby reducing the possibility of the dielectric resonator breaking. Attached Figure Description

[0015] Figure 1 A cross-sectional view of a dielectric resonator mounting structure provided in an embodiment of this utility model;

[0016] Figure 2 An overall structural diagram of a dielectric resonator mounting structure provided in an embodiment of this utility model;

[0017] Figure 3 This is a partially enlarged view of a dielectric resonator mounting structure provided in an embodiment of the present invention.

[0018] Among them, 1. cavity, 101. base, 1011. mounting groove, 2. dielectric resonator, 201. resonant body, 2011. resonant inner cavity, 202. support, 3. soft metal gasket, 4. countersunk screw, 5. tuning cover plate, 6. connector, 7. tuning screw, 8. first connector, 801. connecting part, 802. fixing part, 9. second connector, 10. fixing part. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] This application allows the dielectric resonator to be installed inside the cavity by extending a base from the bottom of the cavity. Furthermore, by placing a soft metal gasket between the dielectric resonator and the mounting surface of the base, the soft metal gasket absorbs external impact forces through deformation during the installation and transportation of the dielectric resonator. This ensures the conductivity of the dielectric resonator and the cavity while reducing the stress on the dielectric resonator, thereby reducing the possibility of the dielectric resonator breaking.

[0021] Example 1

[0022] Referring to Figures 1-3, this embodiment of the present invention provides a dielectric resonator mounting structure, including: a cavity 1 and a dielectric resonator 2 disposed inside the cavity 1. A base 101 extends from the bottom center of the cavity 1 into the cavity. The dielectric resonator 2 is disposed on the base 101, and a soft metal gasket 3 is provided between the dielectric resonator 2 and the mounting surface of the base 101.

[0023] Specifically, the outer surface of cavity 1 is rectangular, and the inner surface is circular. The circular shape of the inner surface facilitates its adaptation to the circular shape of the resonator, thus forming a uniform resonant cavity. The bottom center of cavity 1 protrudes inward to form a base 101. The upper surface of base 101 and the bottom surface of dielectric resonator 2 serve as mounting surfaces. A soft metal gasket 3 is placed between the two mounting surfaces. The base 101 supports and mounts the dielectric resonator 2. During installation and transportation, the soft metal gasket 3 not only absorbs external impact forces through deformation, reducing the stress on the dielectric resonator 2 and thus lowering the possibility of breakage, but the metal material also ensures the conductivity of both the dielectric resonator 2 and cavity 1. The soft metal gasket 3 can be made by electroplating a soft metal material. Soft metal materials include, but are not limited to, conductive adhesive, silver, aluminum, and copper.

[0024] In this embodiment of the invention, by extending a base 101 from the bottom of the cavity 1, the dielectric resonator 2 can be installed inside the cavity 1. Furthermore, by providing a soft metal gasket 3 between the dielectric resonator 2 and the mounting surface of the base 101, the soft metal gasket 3 absorbs external impact forces through deformation during the installation and transportation of the dielectric resonator 2. This ensures the conductivity of the dielectric resonator 2 and the cavity 1, while also reducing the stress on the dielectric resonator 2, thereby reducing the possibility of the dielectric resonator 2 breaking.

[0025] Example 2

[0026] Combination Figure 1 , Figure 3 As shown, in this embodiment, the soft metal pad 3 has an annular structure and a first through hole at the center.

[0027] Specifically, to adapt to the mounting surfaces of the dielectric resonator 2 and the base 101, the flexible metal washer 3 can be configured as a ring structure to ensure a larger and more uniform contact area with the upper and lower mounting surfaces, thereby enhancing the installation stability of the dielectric resonator 2. A first through hole (not shown in the figure) is provided in the center of the flexible metal washer 3 to allow the countersunk screw 4 to pass through, smoothly connecting the dielectric resonator 2 and the base 101, further achieving installation and fixation. The size of the first through hole can be set according to the thread size of the countersunk screw 4 to ensure as close contact as possible with the annular surface of the thread, enhancing stability.

[0028] As one possible embodiment, when the dielectric resonator 2 is subjected to significant compressive force between itself and the base 101, the soft metal washer 3 deforms under the force. The side near the threaded portion of the countersunk screw 4 is pressed against the concave surface of the threaded portion, thereby wrapping around the threaded portion in contact with the soft metal washer 3. This further enhances the installation stability between the dielectric resonator 2 and the base 101. Therefore, even under significant external impact, the probability of the dielectric resonator 2 breaking is greatly reduced due to the strong stability of the installation between the dielectric resonator 2 and the base 101 and the force absorption effect of the soft metal washer 3.

[0029] In this embodiment, the soft metal washer 3 is designed as a ring structure, which ensures a larger and more uniform contact area with the upper and lower mounting surfaces, thereby enhancing the installation stability of the dielectric resonator 2 and ensuring a more secure installation of the countersunk screw 4. A first through hole is provided in the center of the soft metal washer 3, allowing the countersunk screw 4 to pass through and smoothly connect the dielectric resonator 2 and the base 101, further achieving installation and fixation.

[0030] Example 3

[0031] Combination Figure 1 , Figure 3 As shown, in this embodiment, the base 101 has an annular structure and a mounting groove 1011 is provided at the center; the annular size of the soft metal pad 3 does not exceed the annular size of the base 101.

[0032] More specifically, the base 101 is designed as a ring structure, which can be adapted to the shape of the dielectric resonator 2, ensuring that the mounting surface is evenly stressed during installation and making the installation more stable. The aforementioned mounting groove 1011 can be circular, square, etc. The mounting groove 1011 in the base 101 can be used to install the threaded part of the countersunk screw 4. The countersunk screw 4 is inserted from the dielectric resonator 2, with one end limited to the dielectric resonator 2 and the other end limited in the mounting groove 1011. The two are connected by a soft metal gasket 3 to achieve conductivity and absorb the external force of impact, ultimately achieving a stable installation between the dielectric resonator 2 and the base 101 of the cavity 1.

[0033] The annular dimension of the flexible metal gasket 3 shall not exceed the annular dimension of the base 101. The annular dimension of the flexible metal gasket 3 can be kept consistent with that of the base 101 to achieve maximum contact area and ensure more stable installation; alternatively, considering the possibility of deformation under pressure, the annular dimension of the flexible metal gasket 3 can be slightly smaller than that of the base 101. The specific size can be selected based on parameters such as the material hardness and compressive strength of the flexible metal gasket 3.

[0034] Example 4

[0035] Combination Figure 1 , Figure 3 As shown, in this embodiment, the dielectric resonator 2 includes a resonant body 201 and a support member 202 disposed between the resonant body 201 and the soft metal pad 3. The resonant body 201 and the support member 202 are provided with a resonant cavity 2011 on the same vertical axis. A countersunk hole is provided at one end of the support member 202 near the base 101. The countersunk head of the countersunk screw 4 is limited by the countersunk hole, and the threaded part of the countersunk screw 4 is inserted into the first through hole and the mounting groove 1011.

[0036] Specifically, the resonant body 201 enables effective energy conversion and transmission. A support member 202 connects the resonant body 201 to the base 101. A slot (not shown in the figure) can be provided at the end where the resonant body 201 connects to the support member 202, allowing one end of the support member 202 to be engaged in the slot, thus connecting it to the resonant body 201; the other end of the support member 202 rests on a soft metal pad 3. The soft metal pad 3 reduces the impact force on the resonant body 201 and the support member 202. The support member 202 is a conductive metal component.

[0037] More specifically, a resonant cavity 2011 is formed in the resonant body 201, and a countersunk hole (not shown in the figure) is formed at one end of the support member 202 near the base 101. When the countersunk screw 4 is installed, it is lowered from above the resonant cavity 2011. After the countersunk head of the countersunk screw 4 is limited by the countersunk hole, the helical part of the countersunk screw 4 passes downward through the first through hole and is inserted into the mounting groove 1011 in the base 101. The dielectric resonator 2 and the cavity 1 are fixedly connected by the countersunk screw 4. At the same time, the soft metal gasket 3 absorbs the external impact force through deformation, ensuring the conductivity of the dielectric resonator 2 and the cavity 1, while also protecting the dielectric resonator 2 and reducing the probability of its breakage.

[0038] In this embodiment, the resonant body 201 can be stably installed on the base 101 by the support member 202, and the impact force on the resonant body 201 and the support member 202 is reduced by the soft metal gasket 3; the dielectric resonator 2 is fixedly connected to the cavity 1 by the countersunk screw 4.

[0039] Example 5

[0040] like Figure 1 , Figure 2 As shown, in this embodiment, the top of the cavity 1 is provided with a tuning cover plate 5, and the tuning cover plate 5 is connected to the upper end of the annular wall of the cavity 1 through multiple connectors 6; the tuning cover plate 5 is provided with a second through hole corresponding to the position of the resonant inner cavity 2011, and a tuning screw 7 is passed through the second through hole, with one end of the tuning screw 7 facing the cavity and directly facing the resonant inner cavity 2011.

[0041] Specifically, the tuning cover 5 is rectangular, adapted to the shape of the cavity 1, to encapsulate the upper surface of the cavity 1. During encapsulation, it can be fixed by multiple connectors 6 evenly distributed at various connection positions. For example, two holes are opened on each of the four sides of the tuning cover 5, and grooves are opened on the upper surface of the cavity 1 at positions corresponding to the holes opened on the tuning cover 5. The holes and grooves at corresponding positions are fixedly connected by bolts and nuts. The tuning cover 5 can affect the resonant cavity inside the filter by its deformation and fine adjustment, so that the frequency resonates with the resonator and the resonant cavity, thereby achieving the function of generating and tuning frequencies. Furthermore, the tuning cover 5 uses a damped nut, with the damper embedded on one side inside the nut. When the bolt passes through the nut, the end of the bolt first contacts the internal thread of the nut, and finally passes through the damper for self-locking. This can filter out metal debris adhering to the bolt end, causing it to accumulate inside the nut, thereby reducing interference to the signal inside the resonator.

[0042] More specifically, a second through hole (not shown in the figure) can be opened at the center of the tuning cover 5, corresponding to the position of the resonator. The tuning screw 7 passes through the second through hole, with its end facing the cavity 1 and directly opposite the resonant cavity 2011 of the resonator. The tuning screw 7 is used in the dielectric resonator 2. By changing the length of the tuning screw 7, the resonant frequency can be effectively tuned. When the tuning screw 7 is lengthened, the resonant frequency will decrease; when the tuning screw 7 is shortened, the resonant frequency will increase. This high adjustability allows the dielectric resonator 2 to precisely adapt to different frequency requirements, and by precisely adjusting the tuning screw 7, it can be ensured that the dielectric resonator 2 operates in the optimal state, thereby improving the performance of the applied product.

[0043] Example 6

[0044] Combination Figure 1 , Figure 2 As shown, in this embodiment, a first connector 8 and a second connector 9 are connected to the side wall of the cavity 1 and are symmetrically arranged and fixed based on the fastener 10. The first connector 8 and the second connector 9 respectively include a connecting part 801 and a fixing part 802 extending laterally from the middle of the connecting part 801. The fixing part 802 is provided with a fixing hole. The side wall of the cavity 1 is provided with a first mounting hole and a second mounting hole. One side of the connecting part 801 passes through the first mounting hole. The fixing hole and the second mounting hole are connected by the fastener 10.

[0045] Specifically, connectors can be respectively provided on opposite sides of the cavity 1, with the connector on one side being the first connector 8 and the connector on the opposite side being the second connector 9. The aforementioned fixing component 10 can be a bolt, screw, etc. Each connector includes a fixing part 802 and a connecting part 801. The fixing part 802 is perpendicular to the connecting part 801 and extends laterally from both sides of the middle section of the connecting part 801. The connecting part 801 and the fixing part 802 are integrally formed. Fixing holes are provided on both sides of the fixing part 802. A second mounting hole (not shown in the figure) is provided on the side wall of the cavity 1, corresponding to the size of the fixing hole, and a first mounting hole (not shown in the figure) is provided, corresponding to the size of the connecting part 801. This ensures that one end of the connecting part 801 passes through the first mounting hole, and the fixing component 10 passes through both the fixing hole and the second mounting hole, thereby fixing the connector to the cavity 1. The first connector 8 and the second connector 9 are mainly used to realize the physical and electrical connection between the resonator and other electronic components or systems, and are beneficial to ensure the stable operation of the resonator, improve system performance, and meet specific application requirements.

[0046] In this embodiment of the invention, by extending a base 101 from the bottom of the cavity 1, the dielectric resonator 2 can be installed inside the cavity 1. A soft metal gasket 3 is provided; during installation and transportation of the dielectric resonator 2, the soft metal gasket 3 absorbs external impact forces through deformation. This ensures the conductivity of both the dielectric resonator 2 and the cavity 1, while reducing the stress on the dielectric resonator 2, thereby reducing the possibility of breakage. Setting the soft metal gasket 3 as a ring structure ensures a larger and more uniform contact area with the upper and lower mounting surfaces, thus enhancing the installation stability of the dielectric resonator 2 and ensuring a more secure installation of the countersunk screw 4. The support member 202 securely mounts the resonant body 201 onto the base 101. The soft metal gasket 3 reduces the impact force on the resonant body 201 and the support member 202; the countersunk screw 4 securely connects the dielectric resonator 2 to the cavity 1. By providing a tuning screw 7 on the resonant cover plate, the resonant frequency can be effectively tuned, precisely adapting to different frequency requirements. By setting the first connector 8 and the second connector 9 on opposite surfaces of the cavity 1, physical and electrical connections with other external electronic components or systems can be achieved, which helps to ensure stable operation of the resonator, improve system performance, and meet specific application requirements.

[0047] The terms "first," "second," etc., used in the specification, claims, or accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order. The reference to "embodiment" herein means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this utility model. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0048] It should be understood that in this utility model, "multiple" refers to two or more. "And / or" is merely a variable relationship describing the related objects, indicating that three relationships can exist. For example, "and / or B" can represent: A existing alone, A and B existing simultaneously, and B existing alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship. "Contains A, B, and C", "Contains A, B, and C" means that all three A, B, and C are contained; "Contains A, B, or C" means that one of A, B, and C is contained; "Contains A, B, and / or C" means that any one, two, or three of A, B, and C are contained.

[0049] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dielectric resonator mounting structure, comprising a cavity and a dielectric resonator arranged inside the cavity, characterized in that: A base extends from the center of the bottom of the cavity into the cavity, the dielectric resonator is arranged on the base, and a soft metal gasket is arranged between the dielectric resonator and the mounting surface of the base.

2. A dielectric resonator mounting structure according to claim 1, characterized in that: The soft metal gasket is an annular structure, and a first through hole is arranged at the center.

3. A dielectric resonator mounting structure according to claim 2, characterized in that: The base is an annular structure, and a mounting groove is arranged at the center.

4. A dielectric resonator mounting structure according to claim 3, characterized in that: The dielectric resonator comprises a resonant body and a support member arranged between the resonant body and the soft metal gasket. The resonant body and the support member are provided with a resonant inner cavity on the same vertical axis.

5. A dielectric resonator mounting structure according to claim 4, characterized in that: A countersunk hole is formed at one end of the support member close to the base, the countersunk head of the countersunk screw is limited by the countersunk hole, and the threaded portion of the countersunk screw is inserted into the first through hole and the mounting groove.

6. A dielectric resonator mounting structure according to claim 3, characterized in that: The annular size of the soft metal gasket does not exceed the annular size of the base.

7. A dielectric resonator mounting structure according to claim 4, characterized in that: A tuning cover is provided on the top of the cavity, and the tuning cover is connected to the upper end of the annular wall of the cavity through a plurality of connectors.

8. A dielectric resonator mounting structure according to claim 7, characterized in that: The tuning cover plate is provided with a second through hole at a position corresponding to the resonant inner cavity, a tuning screw is passed through the second through hole, and one end of the tuning screw facing the cavity is directly opposite to the resonant inner cavity.

9. A dielectric resonator mounting structure according to claim 1, characterized in that: The side wall of the cavity is connected with a first connector and a second connector which are fixed based on a fixing member and are symmetrically arranged.

10. A dielectric resonator mounting structure according to claim 9, characterized in that: The first connector and the second connector respectively include a connecting portion and a fixing portion extending laterally from the middle of the connecting portion, the fixing portion is provided with a fixing hole, the side wall of the cavity is provided with a first mounting hole and a second mounting hole, one side of the connecting portion is penetrated into the first mounting hole, and the fixing hole and the second mounting hole are connected through the fixing member.

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