CN209949666U - Circuit board packaging shell and circuit board device - Google Patents
Circuit board packaging shell and circuit board device Download PDFInfo
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- CN209949666U CN209949666U CN201920120894.6U CN201920120894U CN209949666U CN 209949666 U CN209949666 U CN 209949666U CN 201920120894 U CN201920120894 U CN 201920120894U CN 209949666 U CN209949666 U CN 209949666U
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- circuit board
- shell
- annular
- housing
- side wall
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Abstract
The utility model discloses a circuit board packaging shell and circuit board device to realize the effective sealing of circuit board, prolong the life of circuit board. The circuit board includes circuit board body and sets up in the connector of this end of body of circuit, and the circuit board packaging shell includes: a first housing and a second housing, wherein: the first shell is provided with an opening for exposing the connector, and comprises an annular circuit board supporting part arranged on the bottom wall and a fixing part arranged along the circumferential direction of the inner side wall, wherein the fixing part is arranged on one side of the annular circuit board supporting part far away from the bottom wall; the second shell comprises an annular circuit board abutting part arranged towards the first shell and a ribbed plate arranged on the peripheral side of the outer side wall of the second shell, and when the first shell is buckled with the second shell, a glue groove for containing sealant is formed on the outer side wall of the second shell, the ribbed plate and the inner side wall of the first shell; the components of the circuit board body can be contained in the area enclosed by the annular circuit board supporting part or the area enclosed by the abutting part of the annular circuit board.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a circuit board packaging shell and circuit board device.
Background
The vehicle-mounted controller is a central pivot for realizing a part of important functions of the automobile, is a vital component in the automobile, and plays an important role in ensuring the safe operation of the automobile. If the vehicle-mounted controller is installed outside the passenger compartment or the installation position is low, the vehicle-mounted controller needs to be designed to be waterproof and sealed, and the performance of the vehicle-mounted controller is directly influenced by the good and bad waterproof performance.
The most common waterproof sealing method for the existing vehicle-mounted controller is to wrap the circuit board of the vehicle-mounted controller by pouring sealant, and the method has good waterproof sealing effect. However, if the circuit board of the vehicle-mounted controller is large, the amount of potting adhesive used is large, and the cost of the vehicle-mounted controller is high. In addition, the potting compound completely seals the circuit board, which may adversely affect the onboard controller. Firstly, the heat dissipation of electronic components is not facilitated, and the performance and the service life of the components are influenced; secondly, when the vehicle-mounted controller goes wrong, the circuit board cannot be checked and analyzed, and the fault cannot be solved quickly.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a circuit board packaging shell and circuit board device is provided to realize the effective sealing of circuit board, prolong the life of circuit board.
An embodiment of the utility model provides a circuit board packaging shell, the circuit board include the circuit board body and set up in the connector of this end of body of circuit, the circuit board packaging shell includes: a first housing and a second housing, wherein:
the first shell is provided with an opening for exposing the connector, and comprises an annular circuit board supporting part arranged on the bottom wall and a fixing part arranged along the circumferential direction of the inner side wall, and the fixing part is arranged on one side of the annular circuit board supporting part, which is far away from the bottom wall of the first shell; the components of the circuit board body can be accommodated in the area enclosed by the annular circuit board supporting part;
the second shell comprises an annular circuit board abutting part arranged towards the first shell and a rib plate arranged on the peripheral side of the outer side wall of the second shell, and when the first shell is buckled with the second shell, a glue groove for containing sealant is formed by the outer side wall of the second shell, the rib plate and the inner side wall of the first shell; the components of the circuit board body can be accommodated in the area enclosed by the abutting parts of the annular circuit board.
When the circuit board packaging shell of the technical scheme is adopted to seal the circuit board, firstly, the circuit board is accommodated in the first shell, so that the circuit board body is supported on the annular circuit board supporting part, and the components arranged on the circuit board body towards the bottom wall of the first shell are accommodated in the area enclosed by the annular circuit board supporting part; secondly, buckling the second shell with the first shell, and enabling the annular circuit board abutting part of the second shell to abut against the circuit board body, wherein the circuit board body is provided with components facing to the bottom wall of the second shell and accommodated in the area enclosed by the annular circuit board abutting part; and finally, pouring sealant into a sealant groove formed on the outer side wall of the second shell, the rib plate and the inner side wall of the first shell and used for containing the sealant until the sealant enters the circuit board packaging shell along the opening of the first shell to seal the annular circuit board supporting part and the part of the annular circuit board abutting part, which is in contact with the circuit board body, of the circuit board.
Compared with the prior art, when the circuit board packaging shell adopting the technical scheme is used for sealing the circuit board, the first shell, the circuit board and the second shell can be bonded by pouring the sealant into the sealant groove, and the components on the circuit board body can be sealed in the sealing cavity formed by the first shell and the second shell, so that the effective sealing of the circuit board body is realized, and the service lives of the circuit board and the components on the circuit board are prolonged. In addition, when the circuit board packaging shell adopting the technical scheme is used for sealing the circuit board, the joints of all parts only need to be sealed through the sealant, so that the using amount of the sealant can be greatly reduced, and the cost is reduced.
In an embodiment of the present invention, optionally, the first housing further includes a connector accommodating portion disposed between the annular circuit board supporting portion and the opening; when the connector is accommodated in the connector accommodating portion, the connection end of the connector is exposed from the opening.
Through set up the holding portion of connector in first casing, can wrap up the connector and seal up through sealed glue at the in-process that carries out the encapsulating sealed.
In any embodiment of the present invention, optionally, the annular circuit board supporting portion is disposed along a circumferential direction of an inner side wall of the first housing, and a shape of the annular circuit board abutting portion is the same as a shape of the annular circuit board supporting portion.
The annular circuit board supporting part is arranged along the inner side wall of the first shell, so that the first shell can reserve enough space for accommodating circuit board components; in addition, the shape of the annular circuit board abutting part and the shape of the annular circuit board supporting part are set to be the same, so that the bonding tightness of the first shell, the circuit board body and the second shell can be effectively improved.
In an embodiment of the present invention, optionally, the circuit board packaging case further includes a breather valve disposed at the end face of the second housing.
Because the breather valve can see through the gas molecule, and can not make the hydrone see through, consequently, can balance the inside and outside atmospheric pressure difference of sealed chamber through set up the breather valve at the second casing to avoid atmospheric pressure to the damage of circuit board body, the life of extension circuit board.
The utility model discloses in any embodiment, it is optional, the diapire of first casing is provided with a plurality of support bosss, support the boss with components and parts on the circuit board body correspond the setting.
Through setting up in the corresponding support boss that sets up of components and parts, can play the supporting role to the circuit board on the one hand, on the other hand supports the boss and can play the supplementary radiating effect to components and parts with components and parts direct contact.
In the embodiment of the present invention, optionally, the circuit board package further includes a heat sink disposed on the supporting boss.
The radiating fins are arranged on the supporting bosses, so that the radiating effect of components on the circuit board can be further improved. The radiating fins can be flexible radiating fins such as heat-conducting silica gel radiating fins and the like, so that the flexible connection between the components and the supporting boss is realized, and the components are protected.
In any embodiment of the present invention, optionally, the rib plate is provided with a first mounting hole, and the fixing portion is provided with a second mounting hole corresponding to the first mounting hole one to one.
In order to make the connection of the circuit board device more reliable, the mounting holes may be respectively started at corresponding positions of the first housing and the second housing. Like this, before pouring into sealed glue in gluey groove, pass the fixed connection that the mounting hole realized first casing and second casing in proper order through fasteners such as bolt earlier to can further improve the reliability of being connected of first casing and second casing, and then improve the encapsulation compactness of circuit board.
The embodiment of the utility model provides an in, it is optional, be provided with the buckle on the floor, be provided with on the fixed part with the trip of buckle matching joint.
Under the condition that the first shell, the circuit board and the second shell can be firmly bonded through the sealant, the first shell and the second shell can be clamped through the buckles and the hooks, and therefore the structure of the circuit board packaging shell is simplified.
Based on the same utility model concept, the embodiment of the utility model provides a still provide a circuit board device, including the circuit board to and as aforesaid arbitrary circuit board packaging shell.
According to the circuit board device in the technical scheme, the circuit board can be effectively sealed under the action of the circuit board packaging shell, so that the service life of the circuit board and the service life of components on the circuit board are prolonged. In addition, when the circuit board device of the technical scheme adopts the circuit board packaging shell to seal the circuit board, the joints of all parts are only required to be sealed by the sealant, so that the using amount of the sealant can be greatly reduced, and the cost of the circuit board device can be reduced.
Drawings
Fig. 1 is an exploded view of a circuit board arrangement according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second housing according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first housing according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a circuit board device according to an embodiment of the present invention.
Reference numerals:
1-a circuit board;
101-a circuit board body;
102-a connector;
2-a first housing;
201-opening;
202-annular circuit board support;
203-a fixed part;
204-a support boss;
205-a heat sink;
206-a second mounting hole;
207-a connector receptacle;
3-a second housing;
301-annular circuit board abutment;
302-rib plate;
303-glue groove;
304-a first mounting hole;
4-a breather valve;
5-bolt.
Detailed Description
For the effective sealing of realization circuit board, the life of extension circuit board, the embodiment of the utility model provides a circuit board packaging shell and circuit board device. In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail by referring to the following embodiments.
When the present application refers to the ordinal numbers "first", "second", "third" or "fourth", etc., it should be understood that this is done for differentiation only, unless it is clear from the context that the order is actually expressed.
As shown in fig. 1 and 4, an embodiment of the present invention provides a circuit board packaging shell, a circuit board 1 includes a circuit board body 101 and a connector 102 disposed at an end of the circuit board body 101, the circuit board packaging shell includes: a first housing 2 and a second housing 3, wherein:
a first housing 2 having an opening 201 for exposing the connector 102, and including an annular circuit board support portion 202 disposed on the bottom wall, and a fixing portion 203 disposed along the circumferential direction of the inner side wall, the fixing portion 203 being disposed on a side of the annular circuit board support portion 202 away from the bottom wall of the first housing 2; the components of the circuit board body 101 can be accommodated in the area enclosed by the annular circuit board supporting part 202;
the second housing 3 comprises an annular circuit board abutting part 301 arranged towards the first housing 2 and a ribbed plate 302 arranged on the peripheral side of the outer side wall of the second housing 3, and when the first housing 2 is buckled with the second housing 3, a glue groove 303 for containing sealant is formed on the outer side wall of the second housing 3, the ribbed plate 302 and the inner side wall of the first housing 2; the components of the circuit board body 101 can be accommodated in the area enclosed by the annular circuit board abutting portion 301.
When the circuit board packaging shell of the technical scheme is adopted to package the circuit board 1, firstly, the circuit board 1 is accommodated in the first shell 2, so that the circuit board body 101 is supported on the annular circuit board supporting part 202, and components arranged on the bottom wall of the circuit board body 101 facing to the first shell 2 are accommodated in an area surrounded by the annular circuit board supporting part 202; secondly, the second shell 3 is buckled with the first shell 2, the annular circuit board abutting part 301 of the second shell 3 abuts against the circuit board body 101, and components arranged on the bottom wall of the circuit board body 101 facing to the second shell 3 are accommodated in an area enclosed by the annular circuit board abutting part 301; finally, the sealant is filled into the sealant groove 303 formed on the outer side wall of the second housing 3, the rib plate 302 and the inner side wall of the first housing 2 and used for containing the sealant, until the sealant enters the circuit board packaging shell along the opening 201 of the first housing 2 to seal the annular circuit board supporting portion 202 and the contact portion of the annular circuit board abutting portion 301 and the circuit board body 101.
Compared with the prior art, when the circuit board packaging shell adopting the technical scheme is used for packaging the circuit board 1, the first shell 2, the circuit board 1 and the second shell 3 can be bonded by pouring sealant into the sealant groove 303, and components on the circuit board body 101 can be sealed in the sealing cavity formed by the first shell 2 and the second shell 3, so that the effective sealing of the circuit board body 101 is realized, and the service lives of the components on the circuit board 1 and the circuit board 1 are prolonged. In addition, when the circuit board packaging shell adopting the technical scheme is used for sealing the circuit board 1, the joints of all the parts are only required to be sealed through the sealant, so that the using amount of the sealant can be greatly reduced, and the cost is reduced.
Moreover, because the contact parts among the first shell 2, the circuit board 1 and the second shell 3 are all bonded by the sealant, in this way, when the circuit board 1 needs to be subjected to failure analysis and troubleshooting, the bonded contact parts can be directly torn forcefully, so that the failure can be solved quickly, and the process can not damage the circuit board 1.
As shown in fig. 1 and 3, in the embodiment of the present invention, optionally, the first housing 2 further includes a connector accommodating portion 207 disposed between the annular circuit board supporting portion 202 and the opening 201; when the connector 102 is accommodated in the connector accommodating portion 207, the connection end of the connector 102 is exposed from the opening 201.
By providing the connector accommodating portion 207 in the first housing 2, the connector 102 can be wrapped and sealed by the sealant in the process of performing potting.
As shown in fig. 1 to 3, in any embodiment of the present invention, optionally, the annular circuit board supporting portion 202 is disposed along the circumferential direction of the inner side wall of the first housing 2, and the shape of the annular circuit board abutting portion 301 is the same as that of the annular circuit board supporting portion 202.
By arranging the annular circuit board support part 202 along the inner side wall of the first housing 2, the first housing 2 can reserve a sufficient space for accommodating components of the circuit board 1; in addition, by setting the shape of the annular circuit board abutting portion 301 to be the same as the shape of the annular circuit board supporting portion 202, the adhesion of the first housing 2, the circuit board body 1, and the second housing 3 can be effectively improved.
As shown in fig. 1, in the embodiment of the present invention, optionally, the circuit board enclosure further includes a breather valve 4 disposed on the end surface of the second housing 3.
Because breather valve 4 can see through the gas molecule, and can not make the hydrone see through, consequently, set up the atmospheric pressure difference that breather valve 4 can balance the sealed intracavity outside through at second casing 3 to avoid atmospheric pressure to the damage of circuit board body 101, prolong circuit board 1's life.
As shown in fig. 1 and 3, in any embodiment of the present invention, optionally, the bottom wall of the first casing 2 is provided with a plurality of supporting bosses 204, and the supporting bosses 204 are disposed corresponding to the components on the circuit board body 101.
Through setting up in the corresponding support boss 204 that sets up of components and parts, can play the supporting role to circuit board 1 on the one hand, on the other hand supports boss 204 and components and parts direct contact and can play the supplementary radiating effect to components and parts.
Further, as shown in fig. 1 and fig. 3, in the embodiment of the present invention, optionally, the circuit board packaging case further includes a heat sink 205 disposed on the supporting boss 204.
The heat sink 205 is disposed on the support boss 204, so as to further increase the heat dissipation effect of the components on the circuit board 1. The heat sink 205 may be a heat conductive silicone heat sink or other flexible heat sink to achieve flexible connection between the component and the support boss 204, and protect the component.
As shown in fig. 2 and 3, in any embodiment of the present invention, optionally, the rib plate 302 is provided with a first mounting hole 304, and the fixing portion 203 is provided with a second mounting hole 206 corresponding to the first mounting hole 304 one to one.
In order to make the connection of the circuit board package more reliable, mounting holes may be started at corresponding positions of the first housing 2 and the second housing 3, respectively. Like this, before pouring into sealed glue in gluey groove 303, pass the mounting hole through fasteners such as bolt in proper order earlier and realize the fixed connection of first casing 2 and second casing 3 to can further improve the reliability of being connected of first casing 2 and second casing 3, and then improve circuit board 1's encapsulation compactness.
In other optional embodiments of the present invention, the rib plate is provided with a buckle, and the fixing portion is provided with a hook matching with the buckle.
Under the condition that the first shell, the circuit board and the second shell can be firmly bonded through the sealant, the first shell and the second shell can be clamped through the buckles and the hooks, and therefore the structure of the circuit board packaging shell is simplified.
As shown in fig. 1 and fig. 4, based on the same concept of the present invention, the embodiment of the present invention further provides a circuit board device, which includes a circuit board 1 and a circuit board package casing as described in any one of the above.
According to the circuit board device in the technical scheme, the circuit board 1 can be effectively sealed under the action of the circuit board packaging shell, so that the service life of the circuit board 1 and components on the circuit board 1 is prolonged. In addition, when the circuit board device of the technical scheme adopts the circuit board packaging shell to seal the circuit board 1, the joints of all parts are only required to be sealed through the sealant, so that the using amount of the sealant can be greatly reduced, and the cost of the circuit board device can be reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A kind of circuit board packaging shell, the circuit board includes the body of the circuit board and sets up in the interface unit of the body end of the said circuit, characterized by that, the said circuit board packaging shell includes: a first housing and a second housing, wherein:
the first shell is provided with an opening for exposing the connector, and comprises an annular circuit board supporting part arranged on the bottom wall and a fixing part arranged along the circumferential direction of the inner side wall, and the fixing part is arranged on one side of the annular circuit board supporting part, which is far away from the bottom wall of the first shell; the components of the circuit board body can be accommodated in the area enclosed by the annular circuit board supporting part;
the second shell comprises an annular circuit board abutting part arranged towards the first shell and a rib plate arranged on the peripheral side of the outer side wall of the second shell, and when the first shell is buckled with the second shell, a glue groove for containing sealant is formed by the outer side wall of the second shell, the rib plate and the inner side wall of the first shell; the components of the circuit board body can be accommodated in the area enclosed by the abutting parts of the annular circuit board.
2. The circuit board package of claim 1, wherein the first housing further comprises a connector receiving portion disposed between the annular circuit board support portion and the opening; when the connector is accommodated in the connector accommodating portion, the connection end of the connector is exposed from the opening.
3. The circuit board package of claim 2, wherein the annular circuit board support portion is circumferentially disposed along an inner sidewall of the first housing, and wherein the annular circuit board abutment portion has a shape identical to a shape of the annular circuit board support portion.
4. The circuit board enclosure of claim 1, further comprising a breather valve disposed at an end face of the second housing.
5. The circuit board package of claim 1, wherein the bottom wall of the first housing is provided with a plurality of support bosses corresponding to the components on the circuit board body.
6. The circuit board package of claim 5, further comprising a heat sink disposed on the support boss.
7. The circuit board package of any one of claims 1 to 6, wherein the rib has a first mounting hole, and the fixing portion has a second mounting hole corresponding to the first mounting hole.
8. The circuit board package according to any one of claims 1 to 6, wherein the rib has a buckle, and the fixing portion has a hook for engaging with the buckle.
9. A circuit board device, comprising a circuit board and a circuit board package according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120894.6U CN209949666U (en) | 2019-01-23 | 2019-01-23 | Circuit board packaging shell and circuit board device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120894.6U CN209949666U (en) | 2019-01-23 | 2019-01-23 | Circuit board packaging shell and circuit board device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209949666U true CN209949666U (en) | 2020-01-14 |
Family
ID=69121523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920120894.6U Active CN209949666U (en) | 2019-01-23 | 2019-01-23 | Circuit board packaging shell and circuit board device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209949666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067695A1 (en) * | 2020-09-30 | 2022-04-07 | 东莞新能安科技有限公司 | Battery having sealing structure |
-
2019
- 2019-01-23 CN CN201920120894.6U patent/CN209949666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067695A1 (en) * | 2020-09-30 | 2022-04-07 | 东莞新能安科技有限公司 | Battery having sealing structure |
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| GR01 | Patent grant |