CN114243243A - Miniaturized cavity structure - Google Patents
Miniaturized cavity structure Download PDFInfo
- Publication number
- CN114243243A CN114243243A CN202111547198.1A CN202111547198A CN114243243A CN 114243243 A CN114243243 A CN 114243243A CN 202111547198 A CN202111547198 A CN 202111547198A CN 114243243 A CN114243243 A CN 114243243A
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- CN
- China
- Prior art keywords
- cavity
- mounting
- peripheral surface
- groove
- transition block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007704 transition Effects 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 32
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A miniaturized cavity structure comprises a shell, wherein the shell is of a cylindrical structure; one end of the shell is provided with an open first cavity, and the other end of the shell is provided with an open second cavity; the first cavity is used for mounting the printed board assembly; the second cavity is used for installing an isolated power supply module; a partition plate is arranged between the first cavity and the second cavity; a transition block mounting groove and a plurality of fuze antenna mounting grooves are formed in the peripheral surface of the first cavity; the transition block mounting groove is used for mounting a J-SMP high-frequency connector; the diameter of the peripheral surface of the first cavity is larger than that of the peripheral surface of the second cavity; an axial limiting table is formed between the peripheral surface of the first cavity and the peripheral surface of the second cavity. The outer peripheral surface of the shell is set to be of a cylindrical structure, the printed board assembly and the isolation power module are respectively installed through the first cavity and the second cavity which are arranged inside the shell, the transition block installation groove and the fuse antenna installation grooves are formed in the outer peripheral surface of the shell, and the effective space of the shell is fully utilized.
Description
Technical Field
The invention relates to the technical field of signal digital processors, in particular to a miniaturized cavity structure.
Background
The signal digital processor is a core component of the aircraft, has various functions and complex circuits, and is widely applied to aerospace products. The operation mission of the system is to carry out digital sampling on difference frequency signals and Doppler signals from a video amplifier, then carry out signal processing such as window function, FFT, accumulation, constant false alarm and the like, and finally identify whether a target exists, the target distance and the Doppler frequency.
The cavity structure is the main part of the signal digital processor product, is the carrier of most functions of the product, organically connects all parts of the product together, guarantees the function and the reliability of the product, and the current signal digital processor structure mainly adopts a rectangular cavity structure, tiling and installing the printed board in the cavity of the cavity, designing an output and input signal interface on the side surface of the cavity, and redesigning the upper cover plate of the cavity. However, the design usually needs a larger space, the rectangular cavity structure occupies a larger space and volume of the aircraft, the effective space of the aircraft product cannot be fully used, a single printed board is used for layout, the size of the signal digital processor is not convenient to reduce, and the development requirement of product miniaturization is not facilitated. In addition, in the existing cavity structure, the number of modules and component mounting structures is small, and multiple functions of mounting a power module and a printed board component, connecting an electric connector, connecting other mechanisms and the like cannot be realized.
Disclosure of Invention
The invention mainly aims to provide a miniaturized cavity structure and aims to solve the technical problem.
In order to achieve the above object, the present invention provides a miniaturized cavity structure, which includes a housing, wherein the housing is a cylindrical structure; one end of the shell is provided with an open first cavity, and the other end of the shell is provided with an open second cavity; the first cavity is used for mounting a printed board assembly; the second cavity is used for installing an isolated power supply module; a partition plate is arranged between the first cavity and the second cavity; a transition block mounting groove and a plurality of fuze antenna mounting grooves are formed in the peripheral surface of the first cavity; the transition block mounting groove is used for mounting a J-SMP high-frequency connector; the diameter of the peripheral surface of the first cavity is larger than that of the peripheral surface of the second cavity; an axial limiting table is formed between the peripheral surface of the first cavity and the peripheral surface of the second cavity.
Preferably, the partition board is provided with an electrical connector abdicating groove, and the electrical connector abdicating groove is used for abdicating the electrical connector on the isolated power supply.
Preferably, an isolation power supply mounting hole and an isolation power supply positioning pin hole are formed in one side, located in the second cavity, of the partition plate; the isolation power supply mounting hole and the isolation power supply positioning pin hole are blind holes.
Preferably, a positioning key groove and a plurality of butt joint mounting holes are arranged on the outer peripheral surface of the second cavity.
Preferably, a plurality of housing mounting holes are formed in the outer peripheral surface of the first cavity at positions close to the axial limiting table; the shell mounting hole is communicated to the second cavity.
Preferably, a plurality of bosses are arranged on the inner wall of the first cavity, threaded holes are formed in the table faces of the bosses, and the table faces of the bosses are located on the same plane to form a mounting surface for mounting the printed board.
Preferably, the transition block mounting groove comprises a cable wiring groove and a transition block accommodating counter bore; a transition block mounting step is arranged at the position of the transition block accommodating counter bore, a threaded hole is formed in the transition block mounting step, and the threaded hole in the transition block mounting step is a blind hole; an inclined plane is arranged between the cable wiring groove and the transition block accommodating counter bore to form a cable root yielding groove; pressing plate mounting platforms are arranged on two sides of the cable trough and one side of the transition block mounting step, and threaded holes are formed in the pressing plate mounting platforms; the threaded hole on the pressure plate mounting table is a blind hole.
Preferably, the number of the fuze antenna mounting grooves is 4, and the fuze antenna mounting grooves are uniformly distributed on the outer peripheral surface of the first cavity; the fuze antenna mounting groove comprises an antenna accommodating groove and antenna mounting steps arranged on two sides of the antenna accommodating groove, and threaded holes are formed in the antenna mounting steps; the threaded hole on the antenna mounting step is a blind hole.
Preferably, a cover plate mounting step surface is arranged on the end surface of the opening of the first cavity, and the cover plate mounting step surface is used for mounting a shielding cover plate; a plurality of concave parts are arranged on a vertical molded surface of the mounting step surface of the cover plate, and a threaded hole is formed in each concave part.
Preferably, 4 connecting lug plates are uniformly distributed on the end face of the opening of the first cavity, and each connecting lug plate is provided with a through hole.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) according to the cavity structure provided by the invention, the outer peripheral surface of the shell is set to be a cylindrical structure, the printed board assembly and the isolated power supply module are respectively installed in the shell by utilizing the first cavity and the second cavity, and the transition block installation groove and the plurality of fuze antenna installation grooves are arranged on the outer peripheral surface of the shell, so that the effective space of the shell is fully utilized. The cavity structure provided by the invention has various module mounting structures, is simple in structure and is beneficial to realizing the miniaturization of the cavity structure.
(2) In the invention, the mounting holes of the isolated power supply module and the isolated power supply positioning pin holes are formed in the partition plate in the second cavity, so that the mounting precision of the isolated power supply is ensured.
(3) In the cavity structure provided by the invention, the cable wiring groove structure is arranged outside the shell, and the cover plate mounting step surface is arranged on the end surface of the opening part of the first cavity and used for mounting a shielding cover plate, so that the electromagnetic compatibility of the cavity structure is effectively improved; the end face of the opening of the first cavity is provided with four connecting lug plates for combining and connecting the shell with other parts of the signal digital processor, so that the effective space of the cavity is used to the maximum extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a miniaturized cavity structure provided in the present invention;
FIG. 2 is a schematic perspective view of another direction of a miniaturized cavity structure according to the present invention;
the reference numbers illustrate: 1-a shell; 101-a first cavity; 102-a second cavity; 103-axial limiting table; 104-positioning key slot; 105-docking mounting holes; 106-housing mounting holes; 2-a fuze antenna mounting slot; 201-an antenna receiving slot; 202-antenna mounting step; 3-a transition block mounting groove; 301-cable run channel; 302-cable root relief groove; 303-the transition block accommodating counter bore; 304-transition block mounting step; 305-platen mount table; 4-a separator; 401-electrical connector relief groove; 402-isolated power supply mounting holes; 403-isolated power supply locating pin holes; 5-boss; 501-a table top; 6-mounting a step surface on the cover plate; 601-a female portion; 7-ear plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 and fig. 2 show a specific embodiment of a miniaturized cavity structure provided by the present invention, the cavity decoupling strand includes a shell 1, and the shell 1 is a cylindrical structure; an open first cavity 101 is arranged at one end of the shell 1, and an open second cavity 102 is arranged at the other end; the first cavity 101 is used for mounting a printed board assembly; the second cavity 102 is used for installing an isolated power supply module; a partition plate 4 is arranged between the first cavity 101 and the second cavity 102;
a transition block mounting groove 3 and a plurality of fuze antenna mounting grooves 2 are formed in the outer peripheral surface of the first cavity 101; the transition block mounting groove 3 is used for mounting a J-SMP high-frequency connector;
the diameter of the outer peripheral surface of the first cavity 101 is larger than that of the outer peripheral surface of the second cavity 102; an axial limiting table 103 is formed between the outer peripheral surface of the first cavity 101 and the outer peripheral surface of the second cavity 102.
As shown in fig. 2, in the present embodiment, an electrical connector abdicating groove 401 is provided on the partition board 4, and the electrical connector abdicating groove 401 is used for abdicating an electrical connector on an isolated power supply to avoid interference.
As shown in fig. 2, in the present embodiment, the partition plate 4 is provided with an isolated power supply mounting hole 402 and an isolated power supply positioning pin hole 403 on one side of the second cavity 102; the isolated power supply mounting hole 402 and the isolated power supply positioning pin hole 403 are both blind holes. When the isolation power supply is installed, the isolation power supply positioning pin hole 403 is used for positioning the isolation power supply, the isolation power supply mounting hole 402 is used for fixing the isolation power supply for the screw hole, and the isolation power supply mounting hole 402 and the isolation power supply positioning pin hole 403 are blind holes, so that the sealing performance of the first cavity 101 is guaranteed.
As shown in fig. 2, in the present embodiment, a positioning key groove 104 and a plurality of butt-joint mounting holes 105 are provided on the outer circumferential surface of the second cavity 102. When the cavity structure is butted with other parts of the signal digital processor, the butting part is directly sleeved on the outer peripheral surface of the second cavity 102 and abuts against the axial limiting table 103, the depth of the cavity structure inserted into the butting part is limited by the axial limiting table 103, and when the cavity structure is butted and installed, the cavity structure is fixed by the butting installation hole 105, and circumferential positioning is formed by the positioning key groove 104.
As shown in fig. 1 and 2, in the present embodiment, a plurality of housing mounting holes 106 are provided on the outer peripheral surface of the first cavity 101 at positions close to the axial limiting table 103; the housing mounting hole 106 communicates with the second cavity 102. The housing mounting hole 106 is used for mounting the housing on the whole signal digital processor, and the purpose of communicating the housing mounting hole 106 to the second cavity 102 is to ensure the sealing property of the first cavity 101.
As shown in fig. 1, in the present embodiment, a plurality of bosses 5 are provided on an inner wall of the first cavity 101, threaded holes are provided on lands 501 of the bosses 5, and the lands 501 of the plurality of bosses 5 are located on the same plane to form a mounting surface for mounting a printed board. When the printed board assembly is installed, the printed board assembly is abutted against the table surface 501 of the boss 5 and is fixed by screws.
As shown in fig. 1, in the present embodiment, the transition block mounting groove 3 includes a cable routing groove 301 and a transition block accommodating counterbore 303; a transition block mounting step 304 is arranged at the position of the transition block accommodating counter bore 303, a threaded hole is formed in the transition block mounting step 304, and the threaded hole in the transition block mounting step 304 is a blind hole; an inclined surface is arranged between the cable wiring groove 301 and the transition block accommodating counter bore 303 to form a cable root yielding groove 302; a pressure plate mounting table 305 is arranged on two sides of the cable trough 301 and one side of the transition block mounting step 304, and a threaded hole is formed in the pressure plate mounting table 305; the threaded holes in the platen mounting table 305 are blind holes. The cable routing groove 301 is used for forming a channel of a high-frequency cable, and the cable root yielding groove 302 is used for yielding the cable root, so that interference is avoided during installation. The transition piece receiving counterbore 303 is used to receive a J-SMP high frequency connector. The platen mounting table 305 is used for mounting a high-frequency cable shield cover. The threaded hole in the transition block mounting step 304 is used for fixing the J-SMP high-frequency connector; the threaded holes in the platen mounting table 305 are used to secure the high frequency cable shield cover. The threaded holes in the transition block mounting step 304 and the threaded holes in the pressure plate mounting table 305 are blind holes to ensure the sealing performance of the first cavity 101.
As shown in fig. 1, in the present embodiment, the number of the fuze antenna installation grooves 2 is 4, and the fuze antenna installation grooves are uniformly distributed on the outer circumferential surface of the first cavity 101; the fuze antenna mounting groove 2 comprises an antenna accommodating groove 201 and antenna mounting steps 202 arranged on two sides of the antenna accommodating groove 201, and threaded holes are formed in the antenna mounting steps 202; the threaded hole in the antenna mounting step 202 is a blind hole, and the threaded hole is in the form of a blind hole so as to ensure the sealing performance of the first cavity 101. The antenna mounting step 202 is a milled plane for mounting the fuze antenna and is fixed by screws.
As shown in fig. 1, in the present embodiment, a cover plate mounting step surface 6 is provided on an end surface of the mouth of the first cavity 101, and the cover plate mounting step surface 6 is used for mounting a shielding cover plate; a plurality of concave portions 601 are provided on a vertical profile of the cover plate mounting step surface 6, and a screw hole is provided at each concave portion 601.
As shown in fig. 1 and 2, in the present embodiment, 4 connecting ear plates 7 are uniformly arranged on the end surface of the mouth of the first cavity 101, and a through hole is arranged on each connecting ear plate 7. The connecting lug plate 7 is used for combining and connecting the shell 1 with other parts of the signal digital processor, and the effective space of the cavity is used to the maximum extent.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A miniaturized cavity structure which characterized in that: the device comprises a shell (1), wherein the shell (1) is of a cylindrical structure; one end of the shell (1) is provided with an open first cavity (101), and the other end of the shell is provided with an open second cavity (102); the first cavity (101) is used for mounting a printed board assembly; the second cavity (102) is used for installing an isolated power supply module; a partition plate (4) is arranged between the first cavity (101) and the second cavity (102);
a transition block mounting groove (3) and a plurality of fuze antenna mounting grooves (2) are formed in the peripheral surface of the first cavity (101); the transition block mounting groove (3) is used for mounting a J-SMP high-frequency connector;
the diameter of the peripheral surface of the first cavity (101) is larger than that of the peripheral surface of the second cavity (102); an axial limiting table (103) is formed between the outer peripheral surface of the first cavity (101) and the outer peripheral surface of the second cavity (102).
2. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: an electric connector abdicating groove (401) is arranged on the partition plate (4), and the electric connector abdicating groove (401) is used for abdicating the electric connector on the isolation power supply.
3. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: an isolated power supply mounting hole (402) and an isolated power supply positioning pin hole (403) are formed in one side, located on the second cavity (102), of the partition plate (4); the isolated power supply mounting hole (402) and the isolated power supply positioning pin hole (403) are both blind holes.
4. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: a positioning key groove (104) and a plurality of butt joint mounting holes (105) are formed in the outer peripheral surface of the second cavity (102).
5. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: a plurality of shell mounting holes (106) are formed in the position, close to the axial limiting table (103), of the outer peripheral surface of the first cavity (101); the housing mounting hole (106) is communicated to the second cavity (102).
6. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: the inner wall of the first cavity (101) is provided with a plurality of bosses (5), the table tops (501) of the bosses (5) are provided with threaded holes, and the table tops (501) of the bosses (5) are positioned on the same plane to form a mounting surface for mounting a printed board.
7. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: the transition block mounting groove (3) comprises a cable wiring groove (301) and a transition block accommodating counter bore (303); a transition block mounting step (304) is arranged at the position of the transition block accommodating counter bore (303), a threaded hole is formed in the transition block mounting step (304), and the threaded hole in the transition block mounting step (304) is a blind hole;
an inclined surface is arranged between the cable wiring groove (301) and the transition block accommodating counter bore (303) to form a cable root yielding groove (302); a pressure plate mounting table (305) is arranged on two sides of the cable routing groove (301) and one side of the transition block mounting step (304), and a threaded hole is formed in the pressure plate mounting table (305); the threaded holes in the pressure plate mounting table (305) are blind holes.
8. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: the number of the fuze antenna mounting grooves (2) is 4, and the fuze antenna mounting grooves are uniformly distributed on the peripheral surface of the first cavity (101);
the fuze antenna mounting groove (2) comprises an antenna accommodating groove (201) and antenna mounting steps (202) arranged on two sides of the antenna accommodating groove (201), and threaded holes are formed in the antenna mounting steps (202); the threaded hole on the antenna mounting step (202) is a blind hole.
9. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: a cover plate mounting step surface (6) is arranged on the end surface of the opening of the first cavity (101), and the cover plate mounting step surface (6) is used for mounting a shielding cover plate; a plurality of concave parts (601) are arranged on the vertical profile of the cover plate mounting step surface (6), and a threaded hole is arranged at each concave part (601).
10. A miniaturized cavity arrangement as claimed in claim 1, characterized in that: the end face of the opening of the first cavity (101) is uniformly provided with 4 connecting lug plates (7), and each connecting lug plate (7) is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547198.1A CN114243243A (en) | 2021-12-16 | 2021-12-16 | Miniaturized cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111547198.1A CN114243243A (en) | 2021-12-16 | 2021-12-16 | Miniaturized cavity structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114243243A true CN114243243A (en) | 2022-03-25 |
Family
ID=80757474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111547198.1A Pending CN114243243A (en) | 2021-12-16 | 2021-12-16 | Miniaturized cavity structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114243243A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203966208U (en) * | 2014-07-18 | 2014-11-26 | 湖北航天技术研究院特种车辆技术中心 | A kind of drive recorder mounting box |
| CN106814812A (en) * | 2017-02-04 | 2017-06-09 | 英华达（上海）科技有限公司 | Wearable electronic installation |
| CN206712139U (en) * | 2017-03-23 | 2017-12-05 | 苏州市江海通讯发展实业有限公司 | A kind of connectors blindmate device |
| CN109413301A (en) * | 2018-12-05 | 2019-03-01 | 贵州航天电子科技有限公司 | A kind of miniature video amplifier combination structure |
| CN209946383U (en) * | 2019-05-09 | 2020-01-14 | 云南保利天同仪器有限公司 | Large depth small doppler log |
| CN112272470A (en) * | 2020-10-22 | 2021-01-26 | 贵州航天电子科技有限公司 | Signal digital processor |
-
2021
- 2021-12-16 CN CN202111547198.1A patent/CN114243243A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203966208U (en) * | 2014-07-18 | 2014-11-26 | 湖北航天技术研究院特种车辆技术中心 | A kind of drive recorder mounting box |
| CN106814812A (en) * | 2017-02-04 | 2017-06-09 | 英华达（上海）科技有限公司 | Wearable electronic installation |
| CN206712139U (en) * | 2017-03-23 | 2017-12-05 | 苏州市江海通讯发展实业有限公司 | A kind of connectors blindmate device |
| CN109413301A (en) * | 2018-12-05 | 2019-03-01 | 贵州航天电子科技有限公司 | A kind of miniature video amplifier combination structure |
| CN209946383U (en) * | 2019-05-09 | 2020-01-14 | 云南保利天同仪器有限公司 | Large depth small doppler log |
| CN112272470A (en) * | 2020-10-22 | 2021-01-26 | 贵州航天电子科技有限公司 | Signal digital processor |
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Application publication date: 20220325 |