CN216848117U - Fixing device of phased array radar digital array module - Google Patents
Fixing device of phased array radar digital array module Download PDFInfo
- Publication number
- CN216848117U CN216848117U CN202123173337.7U CN202123173337U CN216848117U CN 216848117 U CN216848117 U CN 216848117U CN 202123173337 U CN202123173337 U CN 202123173337U CN 216848117 U CN216848117 U CN 216848117U
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- cover plate
- inner cavity
- cavity
- upper cover
- liquid cooling
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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to a radar structure field especially relates to a fixing device of phased array radar digital array module. The utility model has two transmitting end functional areas arranged on the upper part of the inner cavity, a receiving end and a control functional area arranged on the lower part of the inner cavity, a self-discharging water-pressing cold joint and a loose screw arranged at the two ends of the inner cavity, and a waterproof vent valve arranged at the front end of the inner cavity; the inner cavity partition plate is provided with a liquid cooling micro-channel which is a snake-shaped liquid cooling runner, and two sides of the liquid cooling micro-channel are connected with the self-discharging water pressing cold joint; composite conductive sealing strips are arranged at the joints of the upper cover plate and the lower cover plate with the inner cavity; the upper cover plate, the lower cover plate and the inner cavity separate cavity wall form an outer layer shielding cavity; a middle layer shielding cavity is formed inside the cavity by a partition wall and a small cover plate; the functional modules in the cavity are sealed by independent welding to form an inner shielding module. The utility model provides fixing device's electromagnetic shield performance is promoted.
Description
Technical Field
The utility model relates to a radar structure field especially relates to a fixing device of phased array radar digital array module.
Background
The digital array module is a core component of a novel digital phased array radar, and the digital array module is fixedly installed to have the following problems: (1) the digital array module rotates along with the antenna, the size and the weight of a fixing device of the digital array module play a key role in the wind resistance, the overturn prevention performance and the overall stability of the radar, and can also influence the turning and folding performance of the antenna and the maneuvering and transportation performance of a vehicle-mounted machine; (2) the digital array module and the fixing device thereof are arranged in the cabinet body of the antenna array surface, the electric performance of equipment in the cabinet body can be directly influenced by damp heat, salt fog, high temperature, low temperature, temperature impact and solar radiation brought by extreme environment and severe weather, and the excellent environment sealing capability in the digital array module and the fixing device thereof is also important under the condition that the component cabinet provides peripheral protection; (3) more functional modules are integrated in the digital array module, the digital array module comprises a filter, an isolator, an amplitude limiter, an amplifier, a transceiver module and other high-frequency modules, a clock, a waveform generator and other low-frequency modules, a monitoring module, an A/D (analog/digital) and a power supply and other control modules, high heat flux density brought by high integration easily causes local temperature accumulation of a heating part of a component, so that the performance of a core electronic device is attenuated, and a circuit is damaged to cause product failure; (4) the high-frequency and low-frequency circuits and the control circuit in the digital array module coexist, the electromagnetic environment is complex, mutual interference is easy, and signal transmission and circuit control are influenced, so that the requirement on the electromagnetic shielding performance of the fixing device is high. The fixing device of the existing digital array module also has the technical problems of larger volume and weight, sealing failure possibly caused in severe environment and the like.
Disclosure of Invention
Not enough to prior art, the utility model provides a fixing device of phased array radar digital array module. The utility model discloses an optimize inner chamber structure, promoted fixing device's electromagnetic shield performance.
The technical scheme of the invention is as follows: the utility model provides a fixing device of phased array radar digital array module, includes inner chamber, upper cover plate, apron and little apron down, both sides set up upper cover plate and apron down, its characterized in that respectively about the inner chamber: a small cover plate is arranged between the inner cavity partition plate and the upper cover plate, two transmitting end functional areas are arranged between the inner cavity partition plate and the small cover plate, a receiving end and a control functional area are arranged at the lower part of the inner cavity, a self-discharging water-pressing cold joint and a release screw are respectively arranged at two ends of the inner cavity, and a waterproof vent valve is arranged at the front end of the inner cavity; the inner cavity partition plate is provided with a liquid cooling micro-channel which is a snake-shaped liquid cooling runner, and two sides of the liquid cooling micro-channel are connected with the self-discharging water pressing cold joint; composite conductive sealing strips are arranged at the joints of the upper cover plate and the lower cover plate with the inner cavity; the upper cover plate, the lower cover plate and the inner cavity separate cavity wall form an outer layer shielding cavity; a middle layer shielding cavity is formed by the partition wall and the small cover plate in the cavity; the functional modules in the cavity are sealed by independent welding to form an inner shielding module.
The fixing device for the phased array radar digital array module is characterized in that: the waterproof ventilation valve is fixed at the rear part of the inner cavity through threads.
The fixing device for the phased array radar digital array module is characterized in that: the length of the inner cavity is 540mm, the width is 340mm and the height is 50 mm.
The fixing device for the phased array radar digital array module is characterized in that: the rear part of the inner cavity is provided with a guide pin, and the composite conductive sealing strip is a composite conductive sealing strip in a B-shaped structural form.
The fixing device of the phased array radar digital array module is characterized in that: the composite conductive sealing strip is compressed in the groove of the inner cavity by fastening screws between the upper cover plate, the lower cover plate and the inner cavity.
The invention has the beneficial effects that: firstly, the heat exchange effect is enhanced. And secondly, signal loss is reduced, and the anti-interference performance of internal components of the fixing device is enhanced. And thirdly, the environmental sealing capability and the electromagnetic shielding capability of the fixing device are improved. Fourthly, the problem of sealing failure caused by 'breathing effect' of the fixing device is solved.
Drawings
FIG. 1 is a top view of the fixture structure (front cavity view with the upper cover plate removed).
Fig. 2 is a bottom view of the fixture structure (back cavity view with the lower cover removed).
Fig. 3 is a schematic structural view of the fixing device a.
Fig. 4 is a schematic structural view of the fixing device B.
Figure 5 is a "triple shield" configuration.
Fig. 6 is a mounting view of the waterproof vent valve.
Fig. 7 is a composite conductive seal strip installation diagram.
FIG. 8 is a schematic diagram of a liquid-cooled microchannel structure.
Description of reference numerals: the device comprises an inner cavity 1, an upper cover plate 2, a lower cover plate 3, a small cover plate 4, a transmitting end functional area 5, a receiving end and control functional area 6, an outer layer shielding cavity 7, a middle layer shielding cavity 8, an inner layer shielding module 9, a guide pin 10, a release screw 11, a self-discharging water-pressure cold joint 12, a composite conductive sealing strip 13, a waterproof vent valve 14 and a liquid cooling micro-channel 15.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1 to 8, a fixing device for a phased array radar digital array module, including an inner chamber 1, an upper cover plate 2, a lower cover plate 3 and a small cover plate 4, the upper cover plate 2 and the lower cover plate 3 are respectively arranged on the upper side and the lower side of the inner chamber 1, the small cover plate 4 is arranged between a baffle plate of the inner chamber 1 and the upper cover plate 2, two transmitting end functional areas 5 are arranged between the baffle plate of the inner chamber 1 and the small cover plate 4, a receiving end and a control functional area 6 are arranged on the lower part of the inner chamber 1, a self-discharging cold joint 12 and a loose screw 11 are respectively arranged on the two ends of the inner chamber 1, and a waterproof vent valve 14 is arranged on the front end of the inner chamber 1. Waterproof ventilation valve 14 is fixed at the unobstructed position of inner chamber 1 rear portion air current through the screw thread from taking, and waterproof ventilation valve 14 installs in the recess at countersunk head inner chamber 1 rear portion as important part, effective protection valve body when not influencing uide pin and blind plug, uses O shape circle sealing connection between casing and the ventilation valve.
The utility model discloses an inner chamber 1 can be for the casing of length 540mm, wide 340mm, high 50mm, wholly adopts "two-sided three cavity" structural style, two transmission channels of a fixing device internal configuration, a set of receiving terminal of two transmission end sharing to can reduce the volume on the whole and be about 70%.
As shown in fig. 4, the rear portion of the inner cavity 1 of the present invention is provided with a guide pin 10, and when the inner cavity is fixed, the guide pin 10 plays a role of guiding and positioning.
As shown in fig. 5 and 8, a partition plate of the inner cavity 1 is provided with a liquid cooling micro-channel 15, the liquid cooling micro-channel 15 is an S-shaped liquid cooling runner, the S-shaped liquid cooling runner adopts a precision machining method, the liquid cooling micro-channel is arranged below a device with large heat flux density, the heat exchange area is increased, and the heat dissipation requirement of the device is ensured. Two sides of the liquid cooling micro-channel 15 are connected with the self-discharging water-cooling joint 12, so that components on two sides are cooled through the metal plate of the inner cavity 1, heat generated by the operation of electronic components in the transmitting end functional area 5 and the control functional area 6 can be ensured to be taken away in time, and high temperature is prevented from being generated inside.
As shown in fig. 5 and 7, a composite conductive sealing strip 13 is arranged at the connection part of the upper cover plate 2 and the lower cover plate 3 and the inner cavity 1, and the composite conductive sealing strip 13 is compressed in the groove of the inner cavity 1 by fastening screws between the upper cover plate 2, the lower cover plate 3 and the inner cavity 1. The utility model discloses a compound electrically conductive sealing strip 13 is the compound electrically conductive sealing strip of "B shape" structural style, and outer lane silicon rubber is waterproof, and the inner circle is electrically conductive rubber, makes fixing device possess simultaneously sealed, shielding function, has strengthened the performance of anti wet heat and anti salt fog corruption.
As shown in fig. 5, the upper cover plate 2, the lower cover plate 3 and the separate cavity wall of the inner cavity 1 form an outer layer shielding cavity 7, and the outer layer shielding cavity 7 avoids the interference of the transmitting unit of strong electromagnetic radiation to the receiving and controlling unit. The middle layer shielding cavity 8 is formed by the partition wall and the small cover plate 4 in the cavity, and functional modules in different frequency bands are prevented from interfering with each other. The functional modules in the cavity form an inner shielding module 9 by independent welding and sealing, and signal loss is reduced. The three-layer shielding design ensures that the digital array module is not influenced by an external interference source, and meanwhile, the inside of the digital array module has a good electromagnetic shielding environment.
Claims (5)
1. The utility model provides a fixing device of phased array radar digital array module, includes inner chamber, upper cover plate, apron and little apron down, both sides set up upper cover plate and apron down, its characterized in that respectively about the inner chamber: a small cover plate is arranged between the inner cavity partition plate and the upper cover plate, two transmitting end functional areas are arranged between the inner cavity partition plate and the small cover plate, a receiving end and a control functional area are arranged at the lower part of the inner cavity, a self-discharging water-pressing cold joint and a loosening screw are respectively arranged at two ends of the inner cavity, and a waterproof vent valve is arranged at the front end of the inner cavity; a liquid cooling micro channel is arranged on the inner cavity partition plate, the liquid cooling micro channel is a snake-shaped liquid cooling runner, and two sides of the liquid cooling micro channel are connected with a self-discharging water-cooling connector; composite conductive sealing strips are arranged at the joints of the upper cover plate and the lower cover plate with the inner cavity; the upper cover plate, the lower cover plate and the inner cavity separate cavity wall form an outer layer shielding cavity; a middle layer shielding cavity is formed by the partition wall and the small cover plate in the cavity; the functional modules in the cavity are sealed by independent welding to form an inner shielding module.
2. The apparatus of claim 1, wherein: the waterproof ventilation valve is fixed at the rear part of the inner cavity through threads.
3. The apparatus of claim 1, wherein: the length of the inner cavity is 540mm, the width is 340mm and the height is 50 mm.
4. The apparatus of claim 1, wherein: the rear part of the inner cavity is provided with a guide pin, and the composite conductive sealing strip is a composite conductive sealing strip in a B-shaped structural form.
5. The apparatus of claim 1, wherein: the composite conductive sealing strip is compressed in the groove of the inner cavity by fastening screws between the upper cover plate, the lower cover plate and the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123173337.7U CN216848117U (en) | 2021-12-16 | 2021-12-16 | Fixing device of phased array radar digital array module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123173337.7U CN216848117U (en) | 2021-12-16 | 2021-12-16 | Fixing device of phased array radar digital array module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848117U true CN216848117U (en) | 2022-06-28 |
Family
ID=82108698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123173337.7U Expired - Fee Related CN216848117U (en) | 2021-12-16 | 2021-12-16 | Fixing device of phased array radar digital array module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216848117U (en) |
-
2021
- 2021-12-16 CN CN202123173337.7U patent/CN216848117U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |