CN209627988U - A kind of electromagnetism interference is strong and data module with long service life - Google Patents
A kind of electromagnetism interference is strong and data module with long service life Download PDFInfo
- Publication number
- CN209627988U CN209627988U CN201920071856.6U CN201920071856U CN209627988U CN 209627988 U CN209627988 U CN 209627988U CN 201920071856 U CN201920071856 U CN 201920071856U CN 209627988 U CN209627988 U CN 209627988U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- protection board
- housing
- board
- hitching post
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to field of circuit boards, specially a kind of electromagnetism interference is strong and data module with long service life, including circuit board, fitting is provided with protection board on circuit board, and protection board overcentre is provided with housing, housing upper surface is equidistantly evenly arranged with several groups radiating fin, and housing inner wall is equidistantly uniformly assigned and is provided with the thermally conductive rib of several groups, housing lower surface has been filled with resin layer, equal clamping is provided with gasket between protection board and circuit board, and protection board and circuit board quadrangle assign and are provided with four groups of elastic positioning devices, elastic positioning device includes hitching post, and hitching post is arranged by lower from upper perforation circuit board and protection board.The device realizes close pressing to electronic component by resin layer, while can distribute heat to electronic component using the thermally conductive rib being arranged in resin layer and quickly absorb, and expands heat dissipation area using radiating fin after conducting heat by thermally conductive rib, improves radiating efficiency.
Description
Technical field
The utility model relates to circuit board technology field, specially a kind of electromagnetism interference is strong and data with long service life
Module.
Background technique
The title of circuit board has: ceramic circuit board, aluminium oxide ceramics circuit board, aluminium nitride ceramics circuit board, wiring board,
Pcb board, aluminum substrate, high frequency plate, thick copper sheet, impedance plate, PCB, ultra-thin wiring board, ultrathin circuit board print (copper lithographic technique)
Circuit board etc..Circuit board makes circuit miniaturization, intuitiveization, and the batch production and optimization electrical appliance for fixed circuit are laid out lifting
It acts on.
Existing data module multi-pass crosses PCB database and is integrated and connected installation, the existing number applied to complex environment
It is lower according to the plate service life, and do not have anti-electromagnetic interference capability, when existing database is in the higher working environment of temperature, electronic die
Group is heated for a long time, and work weekend equally reduces while working efficiency reduces.
Problems are able to solve if it can invent one kind and have the function of heat insulation and dissipation and jamproof database, are
A kind of this data module strong and with long service life we provide electromagnetism interference.
Utility model content
The data module strong and with long service life the purpose of this utility model is to provide a kind of electromagnetism interference, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of electromagnetism interference is strong and service life
Long data module, including circuit board, fitting is provided with protection board on the circuit board, and protection board overcentre is provided with screen
Set is covered, the housing upper surface is equidistantly evenly arranged with several groups radiating fin, and housing inner wall is equidistantly uniformly assigned
It is provided with the thermally conductive rib of several groups, the housing lower surface has been filled with resin layer, between the protection board and circuit board
Clamping is provided with gasket, and protection board and circuit board quadrangle assign and be provided with four groups of elastic positioning devices, described flexibly positioned
Device includes hitching post, and hitching post is arranged by lower from upper perforation circuit board and protection board, and fitting is set on the hitching post above protection board
It is equipped with compressed spring, the compressed spring upper and lower ends welding is provided with to ring, is equipped with top by screw thread at the top of the hitching post
Lid.
Preferably, the protection board and circuit board quadrangle offer the through-hole to match with hitching post radius, and hitching post bottom
Welding is provided with the circular baffle plate that radius is greater than hitching post.
Preferably, the thermally conductive rib is the copper bar of inverted T-shaped setting, and assigns setting shielding by card slot at the top of thermally conductive rib
It covers in set bottom wall.
Preferably, the protection board is the aluminium sheet to match with circuit board, and housing is upward stamping forming rectangle
Groove body, and radiating fin welding is arranged in housing upper surface.
Preferably, the gasket is circumferentially positioned between protection board and circuit board, and circuit board upper surface and protection board
Lower surface offers the groove to match with gasket.
Compared with prior art, the utility model has the beneficial effects that
1. the device forms metal cavity by housing, using faraday's electromagnetic principle on the circuit board in housing
The electronic component of surface setting forms shielded layer.
2. the device realizes close pressing to electronic component by resin layer, while utilizing the thermally conductive rib being arranged in resin layer
Heat can be distributed to electronic component quickly to absorb, expand heat dissipation area using radiating fin after conducting heat by thermally conductive rib, improve
Radiating efficiency.
3. the device applies downward pressure to protection board by elastic positioning device always, it connect protection board with circuit board
Closely, gasket and resin layer thermal expansion increase and can resist compressed spring elastic force after volume and lift upwards while when temperature is higher
It rises, resin layer and gasket after being rigidly connected is avoided to expand to damage caused by the electronic component pressing being arranged on circuit board.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section schematic diagram；
Fig. 3 is elastic positioning device structure schematic diagram in Fig. 1.
In figure: 1 circuit board, 2 protection boards, 3 housings, 4 radiating fins, 5 thermally conductive ribs, 6 resin layers, 7 gaskets, 8 elasticity
Ring is supported in positioning device, 801 hitching posts, 802 top covers, 803 compressed springs, 804.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the technical solution in the utility model, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of electromagnetism interference is strong and service life
Long data module, including circuit board 1, fitting is provided with protection board 2 on circuit board 1, and 2 overcentre of protection board is provided with screen
Set 3 is covered, 3 upper surface of housing is equidistantly evenly arranged with several groups radiating fin 4, and 3 inner wall of housing is equidistantly uniformly assigned
It is provided with the thermally conductive rib 5 of several groups, 3 lower surface of housing has been filled with resin layer 6, equal clamping between protection board 2 and circuit board 1
It is provided with gasket 7, and protection board 2 and 1 four jiaos of circuit board are assigned and are provided with four groups of elastic positioning devices 8, elastic positioning device 8
Including hitching post 801, and hitching post 801 is arranged by lower from upper perforation circuit board 1 and protection board 2, and the hitching post 801 of 2 top of protection board
Upper fitting is provided with compressed spring 803, and the welding of 803 upper and lower ends of compressed spring is provided with to ring 804, passes through at the top of hitching post 801
Screw thread is equipped with top cover 802.
Further, protection board 2 and 1 four jiaos of circuit board offer the through-hole to match with 801 radius of hitching post, and hitching post
The welding of 801 bottoms is provided with the circular baffle plate that radius is greater than hitching post 801.
Further, thermally conductive rib 5 is the copper bar of inverted T-shaped setting, and 5 top of thermally conductive rib assigns setting shielding by card slot
It covers in 3 bottom walls of set.Thermally conductive rib 5 can distribute heat to electronic component and quickly absorb, using scattered after being conducted heat by thermally conductive rib 5
Hot fin 4 expands heat dissipation area, improves radiating efficiency.
Further, protection board 2 is the aluminium sheet to match with circuit board 1, and housing 3 is upward stamping forming rectangle
Groove body, and the welding of radiating fin 4 is arranged in 3 upper surface of housing.
Further, gasket 7 is circumferentially positioned between protection board 2 and circuit board 1, and 1 upper surface of circuit board and protection
2 lower surface of plate offers the groove to match with gasket 7.
Working principle: protection board 2 being covered and closes setting surface on the circuit card 1, forms metal cavity, benefit by housing 3
Shielded layer is formed with electronic component of faraday's electromagnetic principle to 1 upper surface of the circuit board setting in housing 3, passes through resin
6 pairs of electronic component of layer realize close pressing, while can distribute heat to electronic component using the thermally conductive rib 5 being arranged in resin layer 6
Amount quickly absorbs, and expands heat dissipation area using radiating fin 4 after conducting heat by thermally conductive rib 5, improves radiating efficiency, which passes through
The leakproofness that circuit board 1 and protection board 2 connect can be improved in gasket 7, by elastic positioning device 8 to protection board 2 and circuit board 1
Pressing fixation is carried out, downward pressure is applied to protection board 2 always, makes to protect to support with top cover 802 by compressed spring 803
Plate 2 is completely embedded with circuit board 1, while gasket 7 and the thermal expansion of resin layer 6 can resist pressure after increasing volume when temperature is higher
803 elastic force of contracting spring is lifted up, and resin layer 6 and gasket 7 after being rigidly connected is avoided to expand to the electronics being arranged on circuit board 1
Element damages caused by pressing.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of electromagnetism interference is strong and data module with long service life, including circuit board (1), it is characterised in that: the electricity
Fitting is provided with protection board (2) on road plate (1), and protection board (2) overcentre is provided with housing (3), the housing (3)
Upper surface is equidistantly evenly arranged with several groups radiating fin (4), and housing (3) inner wall equidistantly uniformly assign be provided with it is several
The thermally conductive rib (5) of group, housing (3) lower surface have been filled with resin layer (6), the protection board (2) and circuit board (1) it
Between clamping be provided with gasket (7), and protection board (2) and circuit board (1) quadrangle assign and are provided with four groups of elastic positioning devices
(8), the elastic positioning device (8) includes hitching post (801), and hitching post (801) by lower from upper perforation circuit board (1) and protection board
(2) it is arranged, and fitting is provided with compressed spring (803) on the hitching post (801) above protection board (2), the compressed spring (803)
Upper and lower ends welding is provided with to ring (804), and hitching post (801) top is equipped with top cover (802) by screw thread.
2. a kind of electromagnetism interference according to claim 1 is strong and data module with long service life, it is characterised in that: institute
It states protection board (2) and circuit board (1) quadrangle offers the through-hole to match with hitching post (801) radius, and hitching post (801) bottom is welded
It connects and is provided with the circular baffle plate that radius is greater than hitching post (801).
3. a kind of electromagnetism interference according to claim 1 is strong and data module with long service life, it is characterised in that: institute
The copper bar that thermally conductive rib (5) are inverted T-shaped setting is stated, and is assigned and is arranged in housing (3) bottom by card slot at the top of thermally conductive rib (5)
On wall surface.
4. a kind of electromagnetism interference according to claim 1 is strong and data module with long service life, it is characterised in that: institute
Stating protection board (2) is the aluminium sheet to match with circuit board (1), and housing (3) is upward stamping forming rectangle groove body, and is dissipated
Hot fin (4) welding is arranged in housing (3) upper surface.
5. a kind of electromagnetism interference according to claim 1 is strong and data module with long service life, it is characterised in that: institute
It states gasket (7) to be circumferentially positioned between protection board (2) and circuit board (1), and under circuit board (1) upper surface and protection board (2)
Surface offers the groove to match with gasket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071856.6U CN209627988U (en) | 2019-01-16 | 2019-01-16 | A kind of electromagnetism interference is strong and data module with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071856.6U CN209627988U (en) | 2019-01-16 | 2019-01-16 | A kind of electromagnetism interference is strong and data module with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627988U true CN209627988U (en) | 2019-11-12 |
Family
ID=68450206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071856.6U Expired - Fee Related CN209627988U (en) | 2019-01-16 | 2019-01-16 | A kind of electromagnetism interference is strong and data module with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209627988U (en) |
-
2019
- 2019-01-16 CN CN201920071856.6U patent/CN209627988U/en not_active Expired - Fee Related
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Legal Events
| 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: 20191112 Termination date: 20210116 |