CN215872317U - Controller sealing structure and controller - Google Patents

Abstract

The present disclosure relates to a controller seal structure and a controller, the controller seal structure includes: the PCB board sealing device comprises an upper shell, a lower shell, a first sealing element, a second sealing element and a PCB board, wherein the upper shell covers the lower shell, and an accommodating space for accommodating the PCB board is formed by the upper shell and the lower shell in a surrounding mode; the first sealing element comprises a first part and a second part, the first part is clamped between the upper shell and the lower shell, the second part is clamped between the upper shell and the PCB, and the second sealing element is clamped between the lower shell and the PCB so as to seal at least part of electronic components on the PCB. This controller seal structure can improve the leakproofness to the controller, guarantees the sealed protection of at least partial electronic components in the controller to avoid receiving steam erosion and damage.

Description

Controller sealing structure and controller

Technical Field

The disclosure relates to the technical field of controllers, in particular to a controller sealing structure and a controller.

Background

The controller is used for sending control signals to equipment, and electronic components are integrated in the controller, so that the tightness of the controller needs to be guaranteed to prevent steam from entering the controller to cause damage to the electronic components in the controller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a controller seal structure and controller can improve the leakproofness to the controller, guarantees that at least some electronic components seal the protection in the controller to avoid receiving steam to corrode the damage.

In order to achieve the above object, the present disclosure provides a controller sealing structure including:

the PCB board sealing device comprises an upper shell, a lower shell, a first sealing element, a second sealing element and a PCB board, wherein the upper shell covers the lower shell, and an accommodating space for accommodating the PCB board is formed by the upper shell and the lower shell in a surrounding mode;

the first sealing element comprises a first part and a second part, the first part is clamped between the upper shell and the lower shell, the second part is clamped between the upper shell and the PCB, and the second sealing element is clamped between the lower shell and the PCB so as to seal at least part of electronic components on the PCB.

Optionally, a bearing table is arranged on the lower shell, and the PCB is placed on the bearing table.

Optionally, the bearing table is formed by recessing the top end of the lower shell, and a notch for allowing condensation and/or water vapor to flow through is formed in the side edge of the bearing table.

Optionally, the bearing table is provided with a holding tank for holding the electronic component at the bottom end of the PCB, and the bottom of the holding tank is provided with a water collecting tank.

Optionally, a support member for supporting the PCB is formed in the water collecting tank.

Optionally, the notch is arranged along the length direction of the side edge of the bearing table, and the notch is located between the side edge of the bearing table and the edge of the PCB to form a channel through which condensation and/or water vapor flow.

Optionally, the electronic components on the PCB include functional components and connectors, the functional components on the PCB are sealed, and the connectors are used for electrically connecting with external electronic equipment.

Optionally, a groove for accommodating the connector is formed in the top end of the lower housing, and a placing opening for accommodating the connector is formed in the upper housing.

Optionally, the functional component includes a computing unit and a storage unit.

Optionally, the first seal is at least partially of a pre-formed rubber material.

Optionally, the second seal is at least partially of a pre-formed rubber material.

Optionally, the first seal is annular.

Optionally, a first sealing groove is formed at least in part in the bottom end of the upper housing, and the first sealing element is at least partially disposed in the first sealing groove.

Optionally, the second sealing member is a long strip, a long strip-shaped second sealing groove is formed in the top end of the lower shell, at least part of the second sealing groove is formed in the length direction of the side edge of the lower shell, and at least part of the second sealing member is arranged in the second sealing groove.

Optionally, be provided with the plummer on the casing down, the PCB board is placed on the plummer, be equipped with the holding tank on the plummer, the second sealing member is rectangular shape, the tip at the both ends of second sealing member respectively with the cell wall butt of holding tank, the tip at the both ends of second sealing member with the junction of the cell wall of holding tank has all been seted up and has been run through the hole of casing down, the hole is used for filling sealing material, so that the tip at the both ends of second sealing member with correspond ground the gap of the cell wall of holding tank is sealed.

Optionally, the sealing material is at least partially a sealant.

Optionally, the controller seal structure further comprises an exhaust valve, a through exhaust mounting hole is formed in the top end of the upper shell, and the exhaust valve is mounted on the exhaust mounting hole.

Another aspect of the present disclosure provides a controller including the controller sealing structure described above.

Optionally, a cooling element is further disposed on the upper housing or the lower housing, and the cooling element includes an air-cooled heat sink or a liquid-cooled heat sink.

Optionally, a cooling element is disposed on the upper housing.

Through above-mentioned technical scheme, form the accommodation space who holds the PCB board through last casing and lower casing, can put into the PCB board, protect sealed to the most of PCB board. Can seal up the joint gap between last casing and the lower casing through first sealing member, can also seal up the gap between PCB board and the last casing simultaneously to can not appear steam and get into accommodation space through the gap between PCB board and the last casing when PCB board upper portion electronic components and parts are connected with the external world, improved waterproof sealing effect. Can seal up the gap between lower casing and the PCB board through the second sealing member, appear steam and get into accommodation space's the condition through the gap between PCB board and the last casing when also can prevent that partial electronic components on the PCB board from being connected with the external world, improve waterproof sealing effect.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a perspective view of one orientation of a lower housing of one embodiment of the present disclosure;

FIG. 2 is a perspective view of another orientation of a lower housing of an embodiment of the present disclosure;

FIG. 3 is a top view of a lower housing of an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of the AA side of the lower housing of one embodiment of the present disclosure;

FIG. 5 is an enlarged schematic view of the G position of one embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of the BB side of the lower housing of one embodiment of the present disclosure;

FIG. 7 is an enlarged schematic view of the H position of one embodiment of the present disclosure;

FIG. 8 is a perspective view of a controller seal configuration of one embodiment of the present disclosure;

FIG. 9 is a top view of a controller seal structure of an embodiment of the present disclosure;

fig. 10 is a cross-sectional view of the CC plane of the controller seal structure of one embodiment of the present disclosure;

fig. 11 is an enlarged schematic view of the J position of one embodiment of the present disclosure.

Description of the reference numerals

1. A lower housing; 2. a bearing table; 3. a notch; 4. accommodating grooves; 5. a water accumulation tank; 6. a support member; 7. a first seal groove; 8. a first seal member; 9. a groove; 10. an upper housing; 12. an aperture; 13. a liquid cooling tank; 14. a liquid inlet pipe; 15. a liquid outlet pipe; 16. an exhaust valve; 17. a placement port; 18. an exhaust mounting hole; 19. a second seal member; 20. a second seal groove; 21. and (7) a PCB board.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

As shown in fig. 1 to 11, an aspect of the present disclosure provides a controller sealing structure including an upper case 10, a lower case 1, first and second sealing members 8 and 19, and a PCB board 21.

The upper housing 10 covers the lower housing 1, and the upper housing 10 and the lower housing 1 enclose an accommodating space for accommodating the PCB board 21. The first sealing member 8 includes a first portion sandwiched between the upper case 10 and the lower case 1, a second portion sandwiched between the upper case 10 and the PCB 21, and a second sealing member 19 sandwiched between the lower case 1 and the PCB 21 to seal at least a part of the electronic components on the PCB 21.

Wherein, go up casing 10 and lower casing 1 adaptation, when last casing 10 is connected with lower casing 1, the space that the inside of going up casing 10 and lower casing 1 formed is accommodation space promptly. The first part of first sealing member 8 is located between the lower terminal surface of last casing 10 and the up end of casing 1 down, the second part of first sealing member 8 is located between the lower terminal surface of last casing 10 and the upper surface of PCB board 21, the lower surface of second part and the upper surface contact of PCB board 21, second sealing member 19 is located between the up end of casing 1 down and the lower surface of PCB board 21, the upper surface of second sealing member 19 and the lower surface contact of PCB board 21, when last casing 10 and lower casing 1 are connected, to the first part and the second part centre gripping of first sealing member 8, still centre gripping second sealing member 19 in addition, realize the sealed effect of closely laminating.

According to the technical scheme, the accommodating space for accommodating the PCB 21 is formed by the upper shell 10 and the lower shell 1, the PCB 21 can be placed in the accommodating space, and most of the PCB 21 is protected and sealed. Can seal up the connecting gap between last casing 10 and the lower casing 1 through first sealing member 8, can also seal up the gap between PCB board 21 and the last casing 10 simultaneously to can not appear steam and get into accommodation space through the gap between PCB board 21 and last casing 10 when being connected with the external world on PCB board 21, improve waterproof sealing effect, do not influence the partial electronic components on PCB board 21 simultaneously again and be connected with the external world. Can seal up the gap between lower casing 1 and the PCB board 21 through second sealing member 19, appear steam and get into accommodation space's the condition through the gap between PCB board 21 and the last casing 10 when can prevent equally that partial electronic components and parts from being connected with the external world on the PCB board 21, improve waterproof sealing effect.

Optionally, in an embodiment of the present disclosure, a bearing table 2 is disposed on the lower housing 1, and the PCB board 21 is placed on the bearing table 2.

In this embodiment, the bearing table 2 is used for placing the PCB 21 and fixing and bearing the PCB 21, so as to prevent the PCB 21 from moving freely in the accommodating space. Specifically, the carrier 2 is located at a middle position of an upper end of the lower case 1, and the PCB board 21 may be attached to the carrier 2 using screws.

Optionally, in an embodiment of the present disclosure, the carrier 2 is square and conforms to the shape of the PCB 21, so that the PCB 21 can be placed on the carrier 2. Of course, in other embodiments, the shape of the carrier 2 may also be hexagonal, and the like, and may be selected according to the requirement.

Optionally, in an embodiment of the present disclosure, the bearing platform 2 is formed by recessing the top end of the lower housing 1, and a notch 3 for allowing condensation and/or water vapor to flow through is formed on a side edge of the bearing platform 2.

In the embodiment, the bearing table 2 is formed to be inwardly concave, so that the PCB board 21 can be placed in the bearing table 2. Preferably, the depth of concavity of plummer 2 is the same with the thickness of PCB board 21, and after PCB board 21 was placed on plummer 2, the upper surface of PCB board 21 can be in the same horizontal plane with the upper end surface of lower casing 1 to the contact effect of the second part of first sealing member 8 and the upper surface of PCB board 21 is better, and the surface contact of the first part of first sealing member 8 also with the upper end of lower casing 1, avoids appearing the crooked condition of first sealing member 8 and influences the leakproofness. Of course, in other embodiments, the concave depth of the carrier 2 may also be slightly larger than the thickness of the PCB 21, so that the carrier can also carry the PCB 21 and ensure the sealing effect.

Wherein, in this embodiment, breach 3 is located the side of plummer 2, can supply condensation and/or steam to flow through breach 3. Because the electronic components on the PCB 21 in the accommodating space can generate heat during operation, the air pressure in the accommodating space changes, and thus, water vapor can gradually enter the accommodating space through the gap. After external steam entered into accommodation space, when last casing 10 or lower casing 1 dispel the heat and cool down, the temperature of going up casing 10 and lower casing 1 reduces, and the temperature in the accommodation space reduces, and moisture in the steam can become the condensation at last casing 10 and lower casing 1's inner wall condensation, and the long-time condensation that produces drips on PCB board 21 after, can be long-time deposit on PCB board 21 to can lead to components and parts to damage. And through the breach 3 that sets up, go up steam between casing 10 and the PCB board 21 and can enter into down between casing 1 and the PCB board 21, the condensation rocks about on PCB board 21 simultaneously, from 3 downflow PCB board 21 below in breach, lie in PCB board 21 and the position between the casing 1 down, the deposit is on casing 1 down, avoided the too much deposit of condensation on PCB board 21 and lead to the problem of the electronic component damage on the PCB board 21, thereby can improve the life of controller.

Optionally, in other embodiments of the present disclosure, the bearing platform 2 is formed by protruding the top end of the lower housing 1 upward, and a notch 3 for allowing condensation and/or water vapor to flow through is formed on a side edge of the bearing platform 2.

Wherein, in this embodiment, PCB board 21 is placed on plummer 2, and the condensation that drops on PCB board 21 can control and rock the surface of plummer 2, then on breach 3 downward flow casing 1 down on plummer 2, can avoid condensation to deposit on PCB board 21 for a long time equally.

Optionally, in an embodiment of the present disclosure, the bearing table 2 is provided with an accommodating groove 4 for accommodating an electronic component at the bottom end of the PCB 21, and a water collecting groove 5 is formed at the bottom of the accommodating groove 4.

Wherein, in this embodiment, holding tank 4 is sunken downwards, and after PCB board 21's upper surface connection electronic components, PCB board 21 can be passed to electronic components's extension piece, is located PCB board 21's lower surface, can be convenient for hold electronic components's extension piece through holding tank 4 that sets up, can keep PCB board 21 level to place at plummer 2. In this embodiment, the water collecting tank 5 is used for collecting the condensation flowing down from the notch 3, so that water can be deposited in the water collecting tank 5, and cannot contact with the upper surface and the lower surface of the PCB 21, and thus damage to the PCB 21 cannot occur. It should be noted that, when stopping liquid cooling or air cooling, the evaporation appears in the water that water in the ponding groove 5 receives the electronic components heat on the PCB board 21, and the vapor increases in the accommodation space between last casing 10 and the lower casing 1, and atmospheric pressure reinforcing, the first sealing member 8 department that water vapor can follow between last casing 10 and the lower casing 1 spills to reduce steam, avoid the water of deposit in the ponding groove 5 too much.

Optionally, in an embodiment of the present disclosure, a support 6 for supporting the PCB board 21 is formed in the water collecting tank 5.

In the embodiment, the supporting member 6 is vertically arranged, and the top end of the supporting member 6 is used for abutting against the lower surface of the PCB 21, so that the supporting member 6 can support the PCB 21, and the PCB 21 is ensured to be in a horizontal state. Preferably, in the present embodiment, the supporting members 6 are a plurality of ones, and are spaced apart from each other in the water collecting tank 5. In particular, the number of the supporting members 6 is 6-8.

Optionally, in an embodiment of the present disclosure, the notch 3 is disposed along a length direction of a side of the carrier 2, and the notch 3 is located between the side of the carrier 2 and an edge of the PCB 21 to form a channel through which condensation and/or moisture flow.

Wherein, in this embodiment, breach 3 is rectangular shape, and after PCB board 21 placed on plummer 2, the side of PCB board 21 and the partial contact of side of plummer 2, breach 3 forms the passageway that supplies the dew to flow through between the side of PCB board 21 and the side of plummer 2, can do benefit to on the condensation on the inner wall of last casing 10 drips PCB board 21 after, flows into PCB board 21's below through the passageway that breach 3 formed to flow into in the ponding groove 5 that describes among the above-mentioned embodiment. Specifically, in this embodiment, the opposite sides of the carrier 2 are provided with the notches 3, and after the PCB 21 is placed on the carrier 2, the sides of the PCB 21 and the sides of the carrier 2 not provided with the notches 3 are in contact, and a channel can be formed between the position of the carrier 2 provided with the notches 3 and the sides of the PCB 21, so that the condensation and/or the water vapor can flow through the channel. It should be noted that, here, the first part of the first sealing member 8 is located at the side of the notch 3 and between the upper casing 10 and the lower casing 1, so as not to block the notch 3.

Optionally, in other embodiments of the present disclosure, the notch 3 is square or semicircular, and the notches 3 are provided in a plurality and uniformly spaced along the length direction of the side of the carrier 2, so that a channel for flowing the condensation and/or the water vapor can be formed with the side of the PCB 21 as well.

Optionally, in an embodiment of the present disclosure, the PCB 21 is screwed to the lower housing 1, the PCB 21 is provided with a connecting hole 12, the bottom of the water collecting tank 5 is provided with a connecting seat, and the screw penetrates through the connecting hole 12 to be screwed to the connecting seat, so as to fix the PCB 21.

Optionally, in an embodiment of the present disclosure, the electronic components on the PCB board 21 include functional components and connectors, the functional components on the PCB board 21 are sealed, and the connectors are used for electrically connecting with external electronic devices.

In the present embodiment, the functional component is used to implement functions such as operation and storage, the connector is used to be electrically connected to external electronic equipment, and the connector needs not to be sealed so as to be directly electrically connected to the external electronic equipment. Specifically, the functional components are located at the central position of the PCB board 21, and the connectors are located at the edge position of the PCB board 21. The second part of the first sealing element 8 and the second sealing element 19 are both positioned on one side of the connector close to the central position of the PCB 21, so that the electrical connection between the connector and external electronic equipment is not influenced, and meanwhile, the waterproof performance of the PCB 21 can be ensured.

Optionally, in an embodiment of the present disclosure, the PCB board 21 is coated with a three-proof paint coating. And the PCB 21 is provided with a BGA chip, and the pins of the BGA chip can be covered by the solidified heat-conducting glue, so that the pins of the BGA chip can be subjected to waterproof treatment.

Optionally, in an embodiment of the present disclosure, a groove 9 for accommodating a connector is opened at a top end of the lower housing 1, and a placing opening 17 for accommodating a connector is provided on the upper housing 10.

In the embodiment, the groove 9 is communicated with the bearing platform 2, and when the PCB board 21 is placed on the bearing platform 2, the connector on the PCB board 21 can be placed in the groove 9, so that the connector is conveniently electrically connected with external electronic equipment. The placing opening 17 on the upper shell 10 is matched with the position of the connector on the PCB 21, and when the upper shell 10 is covered on the lower shell 1, the connector is positioned in the placing opening 17. It should be noted that the placing opening 17 does not penetrate through the upper casing 10, and the bottom end of the upper casing 10 where the placing opening 17 is arranged still contacts with the upper surface of the PCB 21 through the second portion of the first sealing member 8, so as to achieve sealing. Specifically, the two grooves 9 are respectively located at two sides of the top end of the lower housing 1, so that connectors at two sides of the PCB board 21 can be respectively placed in the two grooves 9. Wherein the second sealing member 19 is located at the side of the lower case 1 where the recess 9 is provided, so that the second sealing member 19 can seal the side of the PCB board 21 having the connector.

Optionally, in other embodiments of the present disclosure, the carrier 2 is directly square, the PCB board 21 is directly placed on the carrier 2, and the connector on the PCB board 21 is located at the top end of the PCB board 21, and the connector of the PCB board 21 is higher than the top end of the lower housing 1, and can be directly electrically connected to the external electronic device. The first seal member 8 is thus also ring-shaped and can seal against the bottom end of the PCB 21.

Optionally, in an embodiment of the present disclosure, the functional component includes a computing unit and a storage unit.

In this embodiment, the computing unit has a computing function, and may specifically be a chip, and the storage unit has a storage function, and may specifically be a memory.

Optionally, in one embodiment of the present disclosure, the first seal 8 is at least partially a pre-formed rubber material.

In the present embodiment, all of the first sealing members 8 may be made of a preformed rubber material, specifically, a rubber strip. Of course, the first sealing member 8 may be a part of a preformed rubber material and another part of an adhesive. Specifically, the first part is the bonding glue, the second part is the prefabricated rubber material, and the second part adopts the prefabricated rubber material can with PCB board 21's upper surface extrusion laminating, and sealing performance is better.

Optionally, in one embodiment of the present disclosure, the second seal 19 is at least partially a pre-formed rubber material.

In the present embodiment, the second sealing member 19 may be made of a preformed rubber material, specifically, a rubber strip. Of course, the second sealing element 19 may be a part of preformed rubber material and another part of adhesive.

Optionally, in one embodiment of the present disclosure, the first seal 8 is annular.

In this embodiment, the first sealing element 8 is annular and can form a ring of seal, the upper surface of the first sealing element 8 abuts against the bottom end of the upper housing 10, the lower surface of the first portion of the first sealing element 8 abuts against the top end of the lower housing 1, and the second portion abuts against the upper surface of the PCB 21. Specifically, the first sealing member 8 has a square shape, and the first portion is two opposite sides adjacent to the notch 3, and the second portion is two opposite sides adjacent to the connector described in the above embodiment. In this embodiment, the first sealing member 8 is made of a preformed rubber material, i.e., a rubber strip.

Optionally, in an embodiment of the present disclosure, a first seal groove 7 is formed at least in part at the bottom end of the upper housing 10, and the first seal 8 is at least partially disposed in the first seal groove 7.

In this embodiment, a first sealing groove 7 is formed in one side of the bottom end of the upper housing 10, and one side of the first sealing element 8 is disposed in the first sealing groove 7, so as to position the first sealing element 8 and prevent the first sealing element 8 from moving relative to the upper housing 10 to affect the sealing effect.

Optionally, in other embodiments of the present disclosure, an annular first seal groove 7 is formed at the bottom end of the upper housing 10, the first seal 8 is annular, the upper end of the first seal 8 is disposed in the first seal groove 7, and the lower end of the first seal 8 protrudes out of the first seal groove 7.

The first sealing element 8 can be conveniently placed and fixed through the first sealing groove 7, the position of the first sealing element 8 is kept, and the problem of bending deformation or movement cannot occur when the first sealing element 8 is extruded.

In the present embodiment, the size of the upper casing 10 is larger than that of the lower casing 1, the shape of the first seal groove 7 is the same as that of the first seal 8, the width of the first seal groove 7 is the same as that of the first seal 8, and the first seal 8 is clamped into the first seal groove 7, so that the sealing performance can be ensured. The thickness of first sealing member 8 is greater than the degree of depth of first seal groove 7 to make the lower extreme of first sealing member 8 bulge first seal groove 7, thereby first sealing member 8 can be supported with the top of lower casing 1 and the upper surface of PCB board 21, realizes the leakproofness.

Optionally, in other embodiments of the present disclosure, the first sealing element 8 is sealing cement, the annular first sealing groove 7 is formed in the bottom end of the upper housing 10, the sealing cement is filled in the first sealing groove 7, and the sealing cement abuts against the top end of the lower housing 1 and the upper surface of the PCB 21, so as to achieve sealing performance. Of course, the first sealing element 8 can also be another filling sealant.

Optionally, in an embodiment of the present disclosure, the second sealing element 19 is a long strip, a long strip-shaped second sealing groove 20 is formed at the top end of the lower housing 1, the second sealing groove 20 is at least partially disposed along the length direction of the side edge of the lower housing 1, and the second sealing element 19 is at least partially disposed in the second sealing groove 20.

In the embodiment, the second sealing element 19 and the second sealing groove 20 are located in the bearing table 2, and after the PCB 21 is placed on the bearing table 2, the second sealing element 19 is clamped into the second sealing groove 20, so that the second sealing element 19 abuts against the lower surface of the PCB 21, and the lower surface of the PCB 21 is sealed. It should be noted that, when the carrier 2 is formed by being recessed inwards, the two sides of the PCB 21 not provided with the connector are abutted to the side of the carrier 2 provided with the notch 3, so as to seal the two sides of the PCB, and the two sides of the PCB 21 provided with the connector are abutted to the lower surface of the PCB 21 through the second sealing element 19, so as to seal the two sides. Therefore, the second seal 19 and the second seal groove 20 may be formed in a long shape. The second sealing groove 20 is used for fixing the second sealing element 19, so that one part of the second sealing groove 20 can be arranged along the length direction of the side edge of the lower shell 1, and the other part can be obliquely arranged, and only the second sealing element 19 needs to be clamped into the second sealing groove 20 to be fixed, and the side edge of the PCB 21 provided with the connector of the second sealing element 19 is kept sealed.

Optionally, in another embodiment of the present disclosure, the second sealing element 19 is a long strip, a long strip-shaped second sealing groove 20 is formed at the top end of the lower housing 1, the second sealing groove 20 is entirely disposed along the length direction of the side edge of the lower housing 1, and the second sealing element 19 is entirely disposed in the second sealing groove 20.

In the embodiment, the second sealing element 19 is placed in the second sealing groove 20, so that the second sealing element 19 abuts against the side edge of the PCB 21 provided with the connector, and the side edge is sealed, which is very convenient.

In the present embodiment, the width of the second seal groove 20 is the same as the width of the second seal 19, so that the second seal 19 is inserted into the second seal groove 20, and the sealing performance can be ensured. The depth of the second sealing groove 20 is smaller than the thickness of the second sealing element 19, so that the top end of the second sealing element 19 protrudes out of the second sealing groove 20, and the bottom surface of the PCB 21 is abutted, and the second sealing element 19 can be extruded after the PCB 21 is contacted with the second sealing element 19, so that the second sealing element 19 is deformed, and the sealing performance is improved. Specifically, the second sealing groove 20 is disposed along the length direction of the side of the carrier 2 close to the groove 9, so as to seal the side of the PCB 21 where the connector is disposed.

Optionally, in other embodiments of the present disclosure, the second sealing element 19 is sealing cement, a second sealing groove 20 is formed in the top end of the plummer 22 close to the two sides of the groove 9, the sealing cement is filled in the second sealing groove 20, and the sealing cement contacts with the lower surface of the PCB 21, so as to achieve a sealing effect. Of course, the second sealing member 19 may be other potting sealants.

Optionally, in an embodiment of the present disclosure, a bearing platform 2 is disposed on the lower housing 1, the PCB 21 is disposed on the bearing platform 2, the bearing platform 2 is provided with an accommodating groove 4, the second sealing member 19 is a long strip, the end portions of the two ends of the second sealing member 19 are respectively abutted to the groove walls of the accommodating groove 4, a hole 12 penetrating through the lower housing 1 is formed at a joint of the end portions of the two ends of the second sealing member 19 and the groove walls of the accommodating groove 4, and the hole 12 is used for filling a sealing material, so that gaps between the end portions of the two ends of the second sealing member 19 and the groove walls of the accommodating groove 4 are sealed.

In the present embodiment, the PCB 21 is placed on the carrier 2, the second sealing groove 20 in the above embodiment is formed in the carrier 2, the second sealing groove 20 is long and is disposed along the length direction of a side of the carrier 2 close to the groove 9, so that two ends of the second sealing groove 20 are connected to the groove wall of the receiving groove 4, the second sealing member 19 is long, after the second sealing member 19 is placed in the second sealing groove 20, the end portions of two ends of the second sealing member 19 are abutted to the groove wall of the receiving groove 4, but a gap is inevitably formed between the end portions of two ends of the second sealing member 19 and the groove wall of the receiving groove 4, so that the sealing material can be filled through the hole 12, the gap between the end portions of two ends of the second sealing member 19 and the groove wall of the receiving groove 4 can be sealed through the sealing material, and the sealing performance can be improved. Specifically, the two holes 12 are respectively located at the connecting positions of the end portions of the two ends of the second sealing member 19 and the groove wall of the receiving groove 4.

Optionally, in one embodiment of the present disclosure, the sealing material is at least partially a sealant.

In the present embodiment, the sealant can be injected between the end portions of the two ends of the second seal 19 and the groove wall of the housing groove 4 through the hole 12, thereby achieving a sealing effect. Of course, the sealing material can also be a sealing glue. When only part of the sealant is the sealant, other filling particles can be mixed to realize sealing.

Optionally, in an embodiment of the present disclosure, the controller sealing structure further includes an exhaust valve 16, a top end of the upper housing 10 is provided with an exhaust mounting hole 18 therethrough, and the exhaust valve 16 is mounted on the exhaust mounting hole 18.

In the present embodiment, the exhaust mounting hole 18 is located on the distal end side of the upper case 10, and the exhaust mounting hole 18 communicates with the accommodation space. The exhaust valve 16 is installed in the exhaust installation hole 18, and the exhaust valve 16 can exhaust moisture in the accommodating space, while external moisture and liquid cannot enter between the upper case 10 and the lower case 1 from the exhaust valve 16. When the water deposited in the water reservoir 5 is evaporated by the heat of the electronic components on the PCB 21, the air pressure in the receiving space between the upper case 10 and the lower case 1 is increased, so that the moisture can be discharged from the exhaust valve 16. It should be noted that the exhaust valve 16 is known in the art, and the structure thereof will not be described in detail herein.

Optionally, in an embodiment of the present disclosure, the upper housing 10 and the lower housing 1 are made of metal, and may specifically be made of stainless steel. Of course, the upper housing 10 and the lower housing 1 may be made of high-strength hard plastic.

Optionally, in an embodiment of the present disclosure, the upper housing 10 and the lower housing 1 are connected by screws, a plurality of screw posts are disposed on the corresponding upper housing 10, and a plurality of unthreaded holes 12 corresponding to the screw posts are disposed on the lower housing 1, so that screws can pass through the unthreaded holes 12 and be connected with the plurality of screw posts.

Alternatively, in other embodiments, the upper housing 10 and the lower housing 1 may be connected by a snap-fit method.

Another aspect of the present disclosure also provides a controller including the controller sealing structure as described above.

Optionally, in an embodiment of the present disclosure, a cooling element is further disposed on the upper casing 10 or the lower casing 1, and the cooling element includes an air-cooled heat sink or a liquid-cooled heat sink. The controller can be cooled through the air cooling heat dissipation device or the liquid cooling heat dissipation device.

Specifically, in one embodiment of the present disclosure, a cooling element is provided on the upper case 10.

Optionally, in an embodiment of the present disclosure, a liquid cooling tank 13 is disposed at the top end of the upper housing 10, one side of the upper housing 10 is connected to a liquid inlet pipe 14 and a liquid outlet pipe 15, and one end of the liquid inlet pipe 14 and one end of the liquid outlet pipe 15 are both communicated with the liquid cooling tank 13, so that a coolant can be injected into the liquid cooling tank 13, and the coolant can also be discharged through the liquid outlet pipe 15. Wherein the liquid cooling bath 13, the liquid inlet pipe 14 and the liquid outlet pipe 15 constitute a cooling element.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (20)

1. A controller seal structure, comprising:

the PCB board packaging structure comprises an upper shell (10), a lower shell (1), a first sealing piece (8), a second sealing piece (19) and a PCB board (21), wherein the upper shell (10) covers the lower shell (1), and the upper shell (10) and the lower shell (1) enclose a containing space for containing the PCB board (21);

the first sealing member (8) comprises a first portion and a second portion, the first portion is clamped between the upper shell (10) and the lower shell (1), the second portion is clamped between the upper shell (10) and the PCB (21), and the second sealing member (19) is clamped between the lower shell (1) and the PCB (21) so as to seal at least part of electronic components on the PCB (21).

2. The controller sealing structure according to claim 1, characterized in that a carrier table (2) is provided on the lower case (1), and the PCB board (21) is placed on the carrier table (2).

3. The controller sealing structure according to claim 2, wherein the bearing table (2) is formed by recessing the top end of the lower casing (1), and the side edge of the bearing table (2) is provided with a notch (3) for allowing condensation and/or water vapor to flow through.

4. The controller sealing structure according to claim 3, wherein a holding groove (4) for holding the electronic component at the bottom end of the PCB (21) is arranged on the bearing table (2), and a water accumulating groove (5) is formed at the bottom of the holding groove (4).

5. The controller sealing structure according to claim 4, characterized in that a support (6) for supporting the PCB board (21) is formed in the sump (5).

6. The controller sealing structure according to claim 3, characterized in that the gap (3) is arranged along the length direction of the side edge of the carrier table (2), and the gap (3) is located between the side edge of the carrier table (2) and the edge of the PCB (21) to form a channel for the flow of condensation and/or water vapor.

7. The controller sealing structure according to claim 1, wherein the electronic components on the PCB (21) include functional components and connectors, the functional components on the PCB (21) are sealed, and the connectors are used for electrical connection with external electronic equipment.

8. The controller sealing structure according to claim 7, wherein a groove (9) for accommodating the connector is formed at a top end of the lower housing (1), and a placing opening (17) for accommodating the connector is formed in the upper housing (10).

9. The controller sealing structure according to claim 7, characterized in that the functional components include a calculation unit and a storage unit.

10. The controller sealing arrangement according to claim 1, characterised in that the first seal (8) is at least partly of a pre-formed rubber material.

11. The controller sealing arrangement according to claim 1, characterized in that the second seal (19) is at least partly of a pre-formed rubber material.

12. The controller sealing arrangement according to claim 1, characterized in that the first seal (8) is ring-shaped.

13. The controller sealing structure according to claim 1, wherein a first sealing groove (7) is formed at least in part at the bottom end of the upper housing (10), and the first sealing member (8) is at least partially disposed in the first sealing groove (7).

14. The controller sealing structure according to claim 1, wherein the second sealing member (19) is elongated, the top end of the lower housing (1) is provided with an elongated second sealing groove (20), the second sealing groove (20) is at least partially disposed along the length direction of the side edge of the lower housing (1), and the second sealing member (19) is at least partially disposed in the second sealing groove (20).

15. The controller sealing structure according to claim 1, wherein a bearing table (2) is arranged on the lower housing (1), the PCB (21) is placed on the bearing table (2), a receiving groove (4) is arranged on the bearing table (2), the second sealing member (19) is in a long strip shape, the end portions of the two ends of the second sealing member (19) are respectively abutted to the groove wall of the receiving groove (4), a hole (12) penetrating through the lower housing (1) is formed at the connection position of the end portions of the two ends of the second sealing member (19) and the groove wall of the receiving groove (4), and the hole (12) is used for filling sealing material, so that the gap between the end portions of the two ends of the second sealing member (19) and the groove wall of the receiving groove (4) is sealed.

16. The controller seal arrangement of claim 15, wherein said seal material is at least partially a sealant.

17. The controller sealing structure according to any one of claims 1 to 16, further comprising an exhaust valve (16), wherein a top end of the upper housing (10) is provided with an exhaust mounting hole (18) therethrough, and the exhaust valve (16) is mounted on the exhaust mounting hole (18).

18. A controller comprising a controller seal structure according to any one of claims 1 to 17.

19. The controller according to claim 18, wherein a cooling element is further disposed on the upper housing (10) or the lower housing (1), and the cooling element comprises an air-cooled heat sink or a liquid-cooled heat sink.

20. A control according to claim 19, characterised in that a cooling element is provided on the upper housing (10).

Images