CN210629363U - Lightweight dampproofing and waterproofing power structure - Google Patents
Lightweight dampproofing and waterproofing power structure Download PDFInfo
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- CN210629363U CN210629363U CN201921493012.7U CN201921493012U CN210629363U CN 210629363 U CN210629363 U CN 210629363U CN 201921493012 U CN201921493012 U CN 201921493012U CN 210629363 U CN210629363 U CN 210629363U
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- box body
- respirator
- outer cover
- waterproof
- guide column
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Abstract
The utility model relates to a power adapter technical field, in particular to lightweight dampproofing and waterproofing power structure. The electronic component is embedded in the sealed box body, and the respirator is arranged on the sealed box body. The utility model discloses a set up the respirator on its box body, the respirator can reduce the indoor outer pressure differential of power supply chamber, and internal environment is more stable, and the inside waterproof ventilated membrane of respirator, can effectually play waterproof ventilative effect, reduces glue because of the a great deal of problem that the tide arouses, and the cooperation of box body and sealed lid makes its box body have the closure, ensures that its water or air can not follow other places of box body and flow in.
Description
Technical Field
The utility model relates to a power adapter technical field, in particular to lightweight dampproofing and waterproofing power structure.
Background
The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other equipment.
The packaging mode of the original power supply is that a heat dissipation shell which is qualified is designed, the whole filling glue is used for protection after a driving circuit is arranged in the heat dissipation shell, and sealing is carried out after the sealing. Moreover, if the existing waterproof power supply adopts epoxy resin and other glue with low hygroscopicity, the glue is hard after being cured, so that stress residue and failure of electronic components are easily caused; if the encapsulating silica gel type soft rubber is filled, the risk of difficult moisture prevention still exists to electronic components after a long time because of the great hygroscopicity. The existing waterproof power supply can only prevent water and has poor moisture-proof effect.
Disclosure of Invention
Therefore, need provide a lightweight dampproofing and waterproofing power structure, through the rational arrangement and the cooperation function of each structure, thereby adopt horizontal encapsulating to reduce embedment glue and reduce power weight, effectively cover power wire rod and main electrified part completely, and consolidate big electronic components, moisture-proof effect has, can make the power lightweight, easily installation and fixed, in short-term, long-term use, reduce the indoor outer differential pressure of power cavity through the respirator, the internal environment is more stable, reduce a great deal of problem that glue arouses because of weing.
In order to achieve the above object, the utility model provides a lightweight dampproofing and waterproofing power structure, including sealed box body, electronic components and respirator, electronic components inlays to be established in sealed box body, the respirator sets up on sealed box body. Reduce power supply chamber indoor outer pressure differential through the respirator, internal environment is more stable, reduces glue because of a great deal of problem that the tide arouses.
Further, the respirator comprises an outer cover, a sealing ring and an air guide column, wherein an air hole is formed in the outer wall of the outer cover, the outer cover is in threaded fit connection with the air guide column, the sealing ring is arranged between the air guide column and the outer cover, the top of the air guide column extends into the space of the outer cover and is communicated with the outer cover, a waterproof and breathable film is arranged in the outer cover, an internal thread is arranged on the inner wall of the outer cover and is located below the air hole, and the air guide column is provided with an external thread which is matched with the internal thread. And the air guide column and the air vent on the outer cover play a role of ventilation, the application of the waterproof breathable film enables the interior of the power supply to be waterproof and ventilated, a dual role is played, and the air guide column and the outer cover can be tightly connected by setting the threads.
Furthermore, the sealed box body comprises a box body and a sealing cover, the sealing cover is connected with the box body in a sealing mode, the respirator is arranged on the sealing cover or the box body, and the respirator is communicated with the inside of the box body through the air guide column. Through setting up its respirator on sealed lid or box body lateral wall, make it link to each other the switch-on through air guide post and box body to make the inside atmospheric pressure of its box body stable.
Furthermore, the electronic component comprises a circuit board, and the circuit board is embedded at the bottom in the box body. The connecting structure enables the connecting points of the electronic components and the circuit board to be located at the bottom end of the box body, and enables the glue to be completely covered.
Furthermore, both sides of the circuit board are connected with wires, through holes are formed in the box body corresponding to the two ends of the wires, the wires extend out of the through holes, or a waterproof connector is fixed on the box body, and the wires are connected with a waterproof connector. The arrangement of the wires enables electrical communication with the outside.
Furthermore, the box body also comprises a glue layer, the glue layer covers the circuit board, and the top end of the glue layer is lower than the top end of the cover electronic component. The arrangement of the glue enables the circuit board to have certain waterproof performance, and large electronic components can be reinforced.
Correspondingly, the utility model provides a lightweight dampproofing and waterproofing power structure's packaging method, including following step:
embedding the circuit board into the box body, fixing the circuit board and installing a lead;
pouring glue into the box body from the right upper side by adopting a horizontal glue pouring mode to cover the circuit board;
assembling a sealing cover, wherein the sealing cover is in sealing connection with the box body;
assembling a respirator, wherein the respirator is arranged on the sealing cover or the side part of the box body;
after the glue is dried and covers the respirator, the air in the box body is pumped out, then the vent hole is sealed, the respirator is removed from being covered, and the interior of the box body is in a vacuum state.
Further, the glue filling position is higher than the through hole position.
Further, the glue filling position is lower than the mounting position of the respirator on the sealing cover or the side part of the box body.
Further, after the lead is installed, the gap between the lead and the through hole is subjected to encapsulation and sealing treatment.
Different from the prior art, the technical scheme has the following beneficial effects:
1. the utility model discloses a set up the respirator on its box body, the respirator can reduce the indoor outer pressure differential of power supply chamber, and internal environment is more stable, and the inside waterproof ventilated membrane of respirator, can effectually play waterproof ventilative effect, reduces glue because of the a great deal of problem that the tide arouses, and the cooperation of box body and sealed lid makes its box body have the closure, ensures that its water or air can not follow other places of box body and flow in.
2. The utility model discloses an adopt the method of horizontal encapsulating to adopt to reduce embedment glue and reduce power weight, effectively cover power wire rod and main electrified part completely, and consolidate big electronic components, have dampproofing effect, can make the power lightweight, easily installation and fixed.
Drawings
FIG. 1 is a view of the present invention showing a lightweight waterproof and moistureproof power supply structure and its packaging method;
FIG. 2 is a schematic sectional view of the cartridge body according to the embodiment;
FIG. 3 is a schematic cross-sectional view of a power supply structure according to embodiment 1;
FIG. 4 is a schematic cross-sectional view of a power supply structure according to embodiment 2;
FIG. 5 is a schematic structural view of the respirator in the embodiment;
FIG. 6 is a partial detail view of the respirator of the present embodiments.
Description of reference numerals:
1. the box body, 2, respirator, 201, enclosing cover, 202, waterproof ventilated membrane, 203, sealing washer, 204, air guide post, 205, air vent, 3, electronic components, 4, circuit board, 5, wire, 6, sealed lid, 7, glue.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1:
referring to fig. 1-3, 5, and 6, the light waterproof and moistureproof power supply structure of the present embodiment includes a sealed box, an electronic component 3, and a respirator 2, where the sealed box includes a box body 1 and a sealing cover 6, the sealing cover 6 is connected to the box body 1 in a sealing manner, a waterproof gasket is disposed at a joint of the sealing cover 6 and the box body 1, the electronic component 3 is embedded in the box body 1, and the respirator 2 is disposed on the sealing cover 6. Specifically, the respirator 2 comprises an outer cover 201, a sealing ring 203 and an air guide column 204, the outer cover 201, the sealing ring 203 and the air guide column 204 are all cylinders, the diameter of the outer cover 201 is larger than that of the air guide column 204, an air vent 205 is formed in the outer wall of the outer cover 201, the air vent 205 is located at the upper section of the outer cover 201, the outer cover 201 is in threaded fit connection with the air guide column 204, inner threads are formed in the inner wall of the outer cover 201 and located below the air vent 205, the air guide column 204 is provided with outer threads, the inner threads are matched with the outer threads, the sealing ring 203 is arranged between the air guide column 204 and the outer cover 201, the inner wall of the sealing ring 203 is tightly attached to the outer wall of the air guide column 204, the top of the air guide column 204 extends into the space of the outer cover 201 to be communicated with the outer cover 201, a waterproof breathable film 202, the diameter of the through hole is between 0.1 and 10 mu m, the molecular size of the gas is only about 0.0004 mu m, the aperture of the EPTFE film is 250-25000 times larger than the diameter of the gas, and therefore the gas can pass through the through hole smoothly. The diameter of the fine rain is 400 μm, which is 40-4000 times larger than the diameter of the micropores of the film. The respirator 2 is arranged on the sealing cover 6, the air guide column 204 penetrates through the sealing cover 6 and is positioned in the box body 1, and the air vent 205 of the outer cover 201 is communicated with the box body 1 through the air guide column 204.
In this embodiment, electronic components 3 includes circuit board 4, electric capacity and resistance, the link of electric capacity and resistance all down with the upper end of circuit board 4 welds mutually, and circuit board 4 card establishes the bottom in sealed box body, the both sides of circuit board 4 are connected with the connector, be connected with wire 5 on the connector, the through-hole has been seted up at the both ends that sealed box body corresponds wire 5, wire 5 stretches out outside the through-hole, perhaps in other embodiments, a fixed waterproof connector on the box body 1, and wire 5 is connected with waterproof connection, and not in the figure.
In this embodiment, still include glue layer 7 in the seal box body, glue layer 7 covers on circuit board 4 to cover the through-hole of seal box body, and glue layer 7 incompletely covers electronic components 3.
When the gas respirator is used specifically, the circuit board 4 is embedded at the bottom end position in the box body 1, then the lead 5 passes through the through hole, extends towards the outside of the box body 1 and is electrically connected with other equipment, then the waterproof gasket is placed at a specified position to cover the sealing cover 6, the sealing cover 6 is fixed above the box body 1 through a bolt, a reserved hole is arranged on the sealing cover 6, the gas guide column 204 on the respirator 2 is aligned with the reserved hole and screwed and fixed, so that the sealing ring 203 on the gas guide column 204 is tightly attached to the sealing cover 6 and does not expose out a gap, and when gas exists in the box body 1, the gas flows along with the gas guide column 204, flows to the vent hole 205 through the waterproof gas-permeable membrane 202 in the outer cover 201, then flows out of the vent hole 205, and water drops on the upper part of the outer cover 201 are blocked by the outer cover 201, and the rest of the gas can be blocked by the, prevent in it gets into box body 1, perhaps when the inside atmospheric pressure of box body 1 is less relatively, thereby the gas can be followed air vent 205 flow direction air guide column 204 and get into in the box body 1, makes its balanced box body 1 and external atmospheric pressure difference, makes it reduce the power supply chamber indoor and outdoor pressure differential, and internal environment is more stable.
Example 2:
referring to fig. 1, 2, 4-6, the light waterproof and moistureproof power supply structure of the embodiment includes a sealed box, an electronic component 3 and a respirator 2, where the sealed box includes a box body 1 and a sealing cover 6, the sealing cover 6 is connected to the box body 1 in a sealing manner, a waterproof gasket is disposed at a joint of the sealing cover 6 and the box body 1, the electronic component 3 is embedded in the box body 1, and the respirator 2 is disposed on the sealing cover 6. Specifically, the respirator 2 comprises an outer cover 201, a sealing ring 203 and an air guide column 204, the outer cover 201, the sealing ring 203 and the air guide column 204 are all cylinders, the diameter of the outer cover 201 is larger than that of the air guide column 204, an air vent 205 is formed in the outer wall of the outer cover 201, the air vent 205 is located at the upper section of the outer cover 201, the outer cover 201 is in threaded fit connection with the air guide column 204, inner threads are formed in the inner wall of the outer cover 201 and located below the air vent 205, the air guide column 204 is provided with outer threads, the inner threads are matched with the outer threads, the sealing ring 203 is arranged between the air guide column 204 and the outer cover 201, the inner wall of the sealing ring 203 is tightly attached to the outer wall of the air guide column 204, the top of the air guide column 204 extends into the space of the outer cover 201 to be communicated with the outer cover 201, a waterproof breathable film 202, the diameter of the through hole is between 0.1 and 10 mu m, the molecular size of the gas is only about 0.0004 mu m, the aperture of the EPTFE film is 250-25000 times larger than the diameter of the gas, and therefore the gas can pass through the through hole smoothly. The diameter of the fine rain is 400 μm, which is 40-4000 times larger than the diameter of the micropores of the film. The respirator 2 is arranged on the side wall of the box body 1, the position of the respirator 2 is higher than the upper surface position of the glue layer 7, the air guide column 204 penetrates through the side wall of the box body 1 and is positioned in the box body 1, and the air vent 205 of the outer cover 201 is communicated with the box body 1 through the air guide column 204.
In this embodiment, electronic components 3 includes circuit board 4, electric capacity and resistance, the link of electric capacity and resistance all down with the upper end of circuit board 4 welds mutually, and circuit board 4 card establishes the bottom in sealed box body, the both sides of circuit board 4 are connected with the connector, be connected with wire 5 on the connector, the through-hole has been seted up at the both ends that sealed box body corresponds wire 5, wire 5 stretches out outside the through-hole, perhaps in other embodiments, a fixed waterproof connector on the box body 1, and wire 5 is connected with waterproof connection, and not in the figure.
In this embodiment, still include glue layer 7 in the seal box body, glue layer 7 covers on circuit board 4 to cover the through-hole of seal box body, and glue layer 7 incompletely covers electronic components 3.
When the gas permeable box is used specifically, the circuit board 4 is embedded at the bottom end position in the box body 1, then the lead 5 passes through the through hole, extends towards the outside of the box body 1 and is electrically connected with other equipment, then the waterproof gasket is placed at a specified position to cover the sealing cover 6, the sealing cover 6 is fixed above the box body 1 through bolts, a reserved hole is arranged on the side wall of the box body 1, the gas guide column 204 on the respirator 2 is aligned with the reserved hole and screwed and fixed, so that the sealing ring 203 on the gas guide column 204 is tightly attached to the side wall of the box body 1 and does not expose a gap, when gas exists in the box body 1, the gas flows along the gas guide column 204, flows to the vent hole 205 through the waterproof membrane 202 in the outer cover 201 and then flows out from the vent hole 205, and water drops on the outer cover 201 are blocked by the outer cover 201, and the rest of the gas can be blocked by the waterproof membrane 202, prevent in it gets into box body 1, perhaps when the inside atmospheric pressure of box body 1 is less relatively, thereby the gas can be followed air vent 205 flow direction air guide column 204 and get into in the box body 1, makes its balanced box body 1 and external atmospheric pressure difference, makes it reduce the power supply chamber indoor and outdoor pressure differential, and internal environment is more stable.
Example 3:
a packaging method of a lightweight waterproof and moistureproof power supply structure comprises the following steps:
embedding the circuit board into the box body, fixing, installing a lead, and carrying out encapsulation sealing treatment on a gap between the lead and the through hole;
pouring glue into the box body from the right upper side by adopting a horizontal glue pouring mode to cover the circuit board; the glue filling position is higher than the through hole position so as to ensure the complete sealing of the through hole; and is lower than the mounting position of the respirator on the sealing cover or the side part of the box body, so as to ensure that a gap is reserved in the box body and the ventilation between the inside and the outside can be realized through the respirator.
Assembling a sealing cover, wherein the sealing cover is in sealing connection with the box body, namely, a screw is locked on the premise that the peripheral waterproof gasket is accurately positioned, so that the sealing cover is completely attached to the box body;
assembling a respirator, wherein the respirator is arranged on the side part of the sealing cover or the box body; a preformed hole is formed in the side part of the sealing cover or the box body, and a respirator is arranged at the preformed hole;
after the glue is dried and covers the respirator, evacuating the air in the box body, then sealing the vent hole and evacuating the respirator to cover the respirator, so that the interior of the box body is in a vacuum state, and the packaging is completed.
After the encapsulation is accomplished, the power structure is inside because of there being the local space, at power operating condition's switching in-process, components and parts and glue all have expend with heat and contract with cold, the space at top can be great do benefit to the stress problem that this process produced of release, can guarantee the stable quality of device and improve the life of device, the existence of respirator can let inside air and outside air realize the intercommunication again, greatly reduced inside pressure, ensure the balance of inside pressure, reduce the harmomegathus process to shell structure's extrusion all around, ensure its seal, because the hydrone can't pass through the filter screen of respirator, can ensure the inside drying of power again. The performance of the power supply can be greatly improved, and the cost and abnormal risk of the power supply are reduced.
The power structure packaging method described in the embodiment is lighter than a conventional power supply, the horizontal potting glue can be used for effectively reducing the potting glue to reduce the weight of the power supply, completely covering power wires and main electrified components, reinforcing large electronic components, having the waterproof and moistureproof effects, enabling the power supply to be light-weighted, being easy to install and fix, reducing the indoor and outdoor pressure difference of a power supply cavity through a respirator in the short-term and long-term use process, enabling the internal environment to be more stable, and reducing a plurality of problems caused by the fact that the glue is affected with damp.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.
Claims (6)
1. The utility model provides a lightweight dampproofing and waterproofing power structure which characterized in that, includes sealed box body, electronic components and respirator, electronic components inlays to be established in sealed box body, the respirator sets up on sealed box body.
2. The lightweight waterproof and moistureproof power supply structure as claimed in claim 1, wherein the respirator comprises an outer cover, a sealing ring and an air guide column, the outer wall of the outer cover is provided with an air vent, the outer cover is in threaded fit connection with the air guide column, the sealing ring is arranged between the air guide column and the outer cover, the top of the air guide column extends into the space of the outer cover and is communicated with the outer cover, the outer cover is internally provided with a waterproof and breathable film, the inner wall of the outer cover is provided with internal threads, the internal threads are positioned below the air vent, and the air guide column is provided with external threads which.
3. The lightweight waterproof and moistureproof power supply structure as claimed in claim 2, wherein the sealing box comprises a box body and a sealing cover, the sealing cover is connected with the box body in a sealing manner, the respirator is arranged on the sealing cover or the box body, and the respirator is communicated with the inside of the box body through an air guide column.
4. A light-weight waterproof and moistureproof power supply structure as claimed in claim 1, 2 or 3, wherein the electronic component comprises a circuit board, and the circuit board is embedded in the bottom of the box body.
5. The lightweight waterproof and moistureproof power supply structure according to claim 4, wherein: the two sides of the circuit board are connected with wires, through holes are formed in the box body corresponding to the two ends of the wires, the wires extend out of the through holes, or a waterproof connector is fixed on the box body, and the wires are connected with the waterproof connector.
6. The lightweight waterproof and moistureproof power supply structure according to claim 5, wherein: the box body also comprises a glue layer, the glue layer covers the circuit board, and the top end of the glue layer is lower than the top end of the cover electronic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493012.7U CN210629363U (en) | 2019-09-09 | 2019-09-09 | Lightweight dampproofing and waterproofing power structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493012.7U CN210629363U (en) | 2019-09-09 | 2019-09-09 | Lightweight dampproofing and waterproofing power structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210629363U true CN210629363U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921493012.7U Active CN210629363U (en) | 2019-09-09 | 2019-09-09 | Lightweight dampproofing and waterproofing power structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210629363U (en) |
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2019
- 2019-09-09 CN CN201921493012.7U patent/CN210629363U/en active Active
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