CN105048089A - Radio frequency floating ground processing device - Google Patents
Radio frequency floating ground processing device Download PDFInfo
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- CN105048089A CN105048089A CN201510358603.3A CN201510358603A CN105048089A CN 105048089 A CN105048089 A CN 105048089A CN 201510358603 A CN201510358603 A CN 201510358603A CN 105048089 A CN105048089 A CN 105048089A
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- radio frequency
- dividing plate
- floating ground
- processing unit
- shaped insulating
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Abstract
The invention discloses a radio frequency floating ground processing device. A radio frequency processing module and a processing device shell are floated apart by using a mode of "a T-shaped insulating bushing+ a metal separating plate". The shell and the metal separating plate adopt a split structure and are separated by the T-shaped insulating bushing and connected by a fixing member. Installation and debugging of the radio frequency processing module are facilitated by the split structure, and floating ground of the radio frequency processing module is also realized. The floating ground mode of "a debugging window+ an external floating ground separating plate+ an internal floating ground separating plate+ a connecting plate" is adopted so that a radio frequency socket and the processing device shell are floated apart and the radio frequency floating ground design of the processing device is realized. Electromagnetic compatibility of the processing device can be enhanced by the structural mode without changing the size of the processing device.
Description
Technical field
The present invention relates to the processing unit that radio frequency floats ground, belong to radiofrequency signal process field.
Background technology
Existing for disturbing the radio frequency processing module of the processing unit of antagonism, generally be directly installed on housing, namely radio frequency earthing type processing unit is belonged to, the processing unit radio frequency of this type is directly connected with body, cause navigation receiver system easily by the interference of other signal on bullet, make system navigate positioning precision poor, and do not examine by the electromagnetic compatibility test of system.
Summary of the invention
Technical problem to be solved by this invention is: for the deficiencies in the prior art, provides the processing unit that a kind of radio frequency floats ground, under the prerequisite not changing processing unit volume, improves processing unit Electro Magnetic Compatibility.
The present invention includes following technical scheme:
A kind of radio frequency floats the processing unit on ground, comprise housing, radio frequency processing module, RF input socket, radio frequency accessory power outlet and debugging window, RF input socket and radio frequency accessory power outlet are arranged on debugging window, RF input socket one end is connected with antenna, the RF input socket other end is connected with radio frequency processing module, radio frequency accessory power outlet one end is connected with radio frequency processing module, radiofrequency signal after other end output processing; It is characterized in that, described processing unit also comprises connecting plate, interior floating ground dividing plate, outer floating ground dividing plate, metal partion (metp), the first T-shaped insulating bushing and the second T-shaped insulating bushing;
Outside floating ground dividing plate is formed the groove for holding debugging window, the outside of housing is formed the groove for holding outer floating ground dividing plate, the inside of external shell is formed the groove for holding interior floating ground dividing plate, interior floating ground dividing plate is formed the groove for holding connecting plate; Debug window, outer floating ground dividing plate, housing, interior floating ground dividing plate and connecting plate to be from outside to inside fixedly connected sequentially, thus radiofrequency signal and the housing by RF input socket, the transmission of radio frequency accessory power outlet is floated open;
Radio frequency processing module lower surface fixedly contacts with metal partion (metp), through hole is formed at the ledge of housing, the first T-shaped insulating bushing is inserted above through hole, below through hole, insert the second T-shaped insulating bushing, metal partion (metp) is fixedly connected with housing with after the second T-shaped insulating bushing through the first T-shaped insulating bushing by fixture.
Further, on debugging window, outer floating ground dividing plate, housing, interior floating ground dividing plate, formation is used at least one through hole of mounting screw respectively, and the through-hole diameter that housing is formed is larger than the through-hole diameter of floating ground dividing plate and the formation of interior floating ground dividing plate outside.
Further, the material of described first T-shaped insulating bushing and the second T-shaped insulating bushing is polyimides.
Further, the material of outer floating ground dividing plate, interior floating ground dividing plate is polyimides.
Further, the material of described metal partion (metp) is aluminium alloy.
Further, described housing is arranged on missile case.
Further, described radio frequency floats the anti-interference process device that the processing unit on ground is navigation neceiver.
Further, the thickness of described T-shaped insulating bushing, the second T-shaped insulating bushing, outer floating ground dividing plate, interior floating ground dividing plate is 0.5mm-2mm.
Further, described antenna is navigation reception antenna.
The present invention compared with prior art tool has the following advantages:
The invention find by radio frequency processing module floating with radio frequency socket floating design and can efficiently solve processing unit emc issue.
The present invention passes through to use the mode of " T-shaped insulating bushing+metal partion (metp) " radio frequency processing module and processing unit housing to be floated and opens, housing and metal partion (metp) adopt Split type structure, centre is separated by T-shaped insulating bushing, use fixture connects, Split type structure had both facilitated the Installation and Debugging of radio frequency processing module, realized again the floating ground of radio frequency processing module; By the floating ground mode of employing " debugging window+outer floating ground dividing plate+interior floating ground dividing plate+connecting plate ", radio frequency socket and processing unit housing are floated and opens, achieve processing unit radio frequency and design floatingly; Such version under the prerequisite of volume not changing processing unit, can improve processing unit Electro Magnetic Compatibility.
By adopting two T-shaped insulating bushings to be connected with metal partion (metp), T-shaped lining and metal partion (metp) contact area greatly, both ensure that insulation property, turn improved load ability.
Accompanying drawing explanation
Fig. 1 is the processing unit cutaway view that radio frequency floats ground.
Fig. 2 is the processing unit debugging window front view that radio frequency floats ground.
Embodiment
Just by reference to the accompanying drawings the present invention is described further below.
As shown in Figure 1, a kind of radio frequency floats the processing unit on ground, comprise housing 1, radio frequency processing module 2, RF input socket 5, radio frequency accessory power outlet 6, debugging window 8, connecting plate 3, interior floating ground dividing plate 7, outer floating ground dividing plate 9, metal partion (metp) 12, first T-shaped insulating bushing 10a and the second T-shaped insulating bushing 10b, RF input socket 5 and radio frequency accessory power outlet 6 are arranged on debugging window 8, RF input socket 5 one end is connected with antenna, the RF input socket other end is connected with radio frequency processing module 2, radio frequency accessory power outlet 6 one end is connected with radio frequency processing module, the other end is connected with ppu, outside floating ground dividing plate 9 is formed the groove for holding debugging window 8, the outside of housing 1 is formed the groove for holding outer floating ground dividing plate 9, the inside of housing 1 is formed the groove for holding interior floating ground dividing plate 7, interior floating ground dividing plate 7 is formed the groove for holding connecting plate 3, debug window 8, outer floating ground dividing plate 9, housing 1, interior floating ground dividing plate 7 and connecting plate 3 to be from outside to inside fixedly connected sequentially, thus the radiofrequency signal transmitted by RF input socket 5, radio frequency accessory power outlet 6 and housing are floated open, radio frequency processing module 2 lower surface fixedly contacts with metal partion (metp) 12, through hole is formed at the ledge of housing 1, the first T-shaped insulating bushing 10a is inserted above through hole, below through hole, insert the second T-shaped insulating bushing 10b, metal partion (metp) 12 is fixedly connected with housing 1 with after the second T-shaped insulating bushing 10b through the first T-shaped insulating bushing 10a by fixture 11.Described fixture 11 is floating connection screw.
Described outer floating ground dividing plate 9, the face that interior floating ground dividing plate 7 is relative are plane.
As shown in Figure 2,7 through holes being used for mounting screw 4 are formed respectively on debugging window 8, outer floating ground dividing plate 9, housing 1, interior floating ground dividing plate 7, by 7 screws 4, interior debugging window 8, outer floating ground dividing plate 9, housing 1, interior floating ground dividing plate 7 are fixedly connected with connecting plate 3, the through-hole diameter that housing 1 is formed is larger than the through-hole diameter of floating ground dividing plate 9 and the formation of interior floating ground dividing plate 7 outside, and have sufficient surplus, ensure that mounting screw 3 can not touch housing 1, thus debugging window 8 can not contact with housing, thus improve isolation effect.According to usage space requirement, as shown in Figure 2, described debugging window 8 can be L-type, and correspondingly connecting plate 3 is also L-type.
Preferably, the material of described metal partion (metp) 12 is aluminium alloy, has lightweight, low cost, is convenient to process and ensure the advantage of structural strength.
Preferably, described first T-shaped insulating bushing 10a, the second T-shaped insulating bushing 10b, the material of outer floating ground dividing plate 9, interior floating ground dividing plate 7 is polyimides, and this material can keep stable insulation under high and low temperature alternative situation of change, and has good manufacturability when size is less.
The thickness of described first T-shaped insulating bushing 10a, the second T-shaped insulating bushing 10b, outer floating ground dividing plate 9, interior floating ground dividing plate 7 is 0.5mm-2mm, both can be convenient to processing, can ensure isolation effect again, also can ensure the miniaturization of equipment.
Described ppu can be navigation neceiver or the integrated computer for controlling with navigation neceiver function.
This embodiment, by adopting the floating ground of radio frequency socket and radio frequency processing module to design thus realize the floating ground of radio frequency floatingly, ensures complete machine electromagnetic compatible requirement.By the floating ground mode of employing " debugging window+outer floating ground dividing plate+interior floating ground dividing plate+connecting plate ", radio frequency socket and processing unit housing are floated and opens, achieve processing unit radio frequency and design floatingly; By using the mode of " T-shaped insulating bushing+metal partion (metp) " to open floating to radio frequency processing module and processing unit housing, realize the floating ground of radio frequency processing module.
Embodiment
The processing unit above-mentioned radio frequency being floated ground is used on guided missile, and described housing 1 can be arranged on missile case, and the processing unit that described radio frequency floats ground is the anti-interference process device of navigation neceiver on bullet, and described antenna is navigation reception antenna; The radiofrequency signal that navigation reception antenna 1 receives inputs to radio frequency processing module 2 by RF input socket 5, radio frequency processing module variable-frequency filtering to the received signal, export the disposable plates of 8 road signals to radio frequency processing inside modules, after treated plate process, frequency conversion is closed road and is exported radio frequency accessory power outlet 6 to, then radio frequency processing module exports the radiofrequency signal after anti-interference process to missile-borne navigation neceiver, to realize navigator fix and anti-interference function by radio frequency accessory power outlet.The present embodiment adopts the radio frequency handling device designed with floating with radio frequency first on guided missile, thus avoids guided missile interference by other system signal in flight course.
Light Aluminum Alloy material selected by metal partion (metp), described first T-shaped insulating bushing 10a, the second T-shaped insulating bushing 10b, polyimide material selected by outer floating ground dividing plate 9, interior floating ground dividing plate 7, and bi-material is worked in coordination, the structural design of processing unit can be made compacter, meet small-sized designing requirement.
Processing unit is connected in guided missile receiver system, carries out electromagnetic compatibility test according to CS103, CS104, CS105, CS115, CS116 project specified in GJB151A, have passed system EMC examination smoothly.Be not more than 75% in relative humidity, carry out megger test under normal temperature condition, use megger one end probe to connect debugging window, other end probe connects processing unit housing, and insulation resistance is greater than 50M Ω.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (9)
1. a radio frequency floats the processing unit on ground, comprise housing (1), radio frequency processing module (2), RF input socket (5), radio frequency accessory power outlet (6) and debugging window (8), RF input socket (5) and radio frequency accessory power outlet (6) are arranged in debugging window (8), RF input socket (5) one end is connected with antenna, the RF input socket other end is connected with radio frequency processing module (2), radio frequency accessory power outlet (6) one end is connected with radio frequency processing module (2), radiofrequency signal after other end output processing; It is characterized in that, described processing unit also comprises connecting plate (3), interior floating ground dividing plate (7), outer floating ground dividing plate (9), metal partion (metp) (12), the first T-shaped insulating bushing (10a) and the second T-shaped insulating bushing (10b);
The upper groove formed for holding debugging window (8) in floating ground dividing plate (9) outside, the outside of housing (1) is formed the groove for holding outer floating ground dividing plate (9), the inside of external shell (1) forms the groove for holding interior floating ground dividing plate (7), the upper groove formed for holding connecting plate (3) on interior floating ground dividing plate (7); Debug window (8), outer floating ground dividing plate (9), housing (1), interior floating ground dividing plate (7) and connecting plate (3) to be from outside to inside fixedly connected sequentially, thus open floating to the radiofrequency signal transmitted by RF input socket (5), radio frequency accessory power outlet (6) and housing (1);
Radio frequency processing module (2) lower surface fixedly contacts with metal partion (metp) (12), through hole is formed at the ledge of housing (1), the first T-shaped insulating bushing (10a) is inserted above through hole, below through hole, insert the second T-shaped insulating bushing (10b), metal partion (metp) (12) is fixedly connected with housing (1) through after the first T-shaped insulating bushing (10a) and the second T-shaped insulating bushing (10b) by fixture (11).
2. a kind of radio frequency according to claim 1 floats the processing unit on ground, it is characterized in that, respectively at debugging window (8), outer floating ground dividing plate (9), housing (1), interior floating ground dividing plate (7) is upper forms at least one through hole being used for mounting screw, the upper through-hole diameter formed of housing (1) than float outside the through-hole diameter that formed of dividing plate (9) and interior floating ground dividing plate (7) large.
3. a kind of radio frequency according to claim 1 floats the processing unit on ground, and it is characterized in that, the material of described first T-shaped insulating bushing (10a) and the second T-shaped insulating bushing (10b) is polyimides.
4. a kind of radio frequency according to claim 1 floats the processing unit on ground, and it is characterized in that, the material on outer floating ground dividing plate (9), interior floating ground dividing plate (7) is polyimides.
5. a kind of radio frequency according to claim 1 floats the processing unit on ground, and it is characterized in that, the material of described metal partion (metp) (12) is aluminium alloy.
6. a kind of radio frequency according to claim 1 floats the processing unit on ground, and it is characterized in that, described housing (1) is arranged on missile case.
7. a kind of radio frequency according to claim 1 floats the processing unit on ground, it is characterized in that, the processing unit that described radio frequency floats ground is the anti-interference process device of navigation neceiver.
8. a kind of radio frequency according to claim 1 floats the processing unit on ground, it is characterized in that, the thickness on described T-shaped insulating bushing (10a), the second T-shaped insulating bushing (10b), outer floating ground dividing plate (9), interior floating ground dividing plate (7) is 0.5mm-2mm.
9. a kind of radio frequency according to claim 1 floats the processing unit on ground, it is characterized in that, described antenna is navigation reception antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358603.3A CN105048089B (en) | 2015-06-25 | 2015-06-25 | A kind of processing unit on the floating ground of radio frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358603.3A CN105048089B (en) | 2015-06-25 | 2015-06-25 | A kind of processing unit on the floating ground of radio frequency |
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| Publication Number | Publication Date |
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| CN105048089A true CN105048089A (en) | 2015-11-11 |
| CN105048089B CN105048089B (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510358603.3A Active CN105048089B (en) | 2015-06-25 | 2015-06-25 | A kind of processing unit on the floating ground of radio frequency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218514A (en) * | 2020-10-23 | 2021-01-12 | 国信军创(岳阳)六九零六科技有限公司 | Processing device adopting inner floating ground design |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368981A (en) * | 2007-08-14 | 2009-02-18 | 海华科技股份有限公司 | Radio frequency module testing platform |
| CN102436300A (en) * | 2010-09-29 | 2012-05-02 | 研祥智能科技股份有限公司 | Computer and floating ground design structure thereof |
| CN103197165A (en) * | 2012-01-10 | 2013-07-10 | 镇江华坚电子有限公司 | Test head |
| CN203133243U (en) * | 2013-02-05 | 2013-08-14 | 上海宏测半导体科技有限公司 | Floating-ground test system |
-
2015
- 2015-06-25 CN CN201510358603.3A patent/CN105048089B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368981A (en) * | 2007-08-14 | 2009-02-18 | 海华科技股份有限公司 | Radio frequency module testing platform |
| CN102436300A (en) * | 2010-09-29 | 2012-05-02 | 研祥智能科技股份有限公司 | Computer and floating ground design structure thereof |
| CN103197165A (en) * | 2012-01-10 | 2013-07-10 | 镇江华坚电子有限公司 | Test head |
| CN203133243U (en) * | 2013-02-05 | 2013-08-14 | 上海宏测半导体科技有限公司 | Floating-ground test system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218514A (en) * | 2020-10-23 | 2021-01-12 | 国信军创(岳阳)六九零六科技有限公司 | Processing device adopting inner floating ground design |
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| CN105048089B (en) | 2018-04-03 |
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