CN212086719U - Waterproof power supply - Google Patents
Waterproof power supply Download PDFInfo
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- CN212086719U CN212086719U CN202020260013.3U CN202020260013U CN212086719U CN 212086719 U CN212086719 U CN 212086719U CN 202020260013 U CN202020260013 U CN 202020260013U CN 212086719 U CN212086719 U CN 212086719U
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Abstract
A water-resistant power supply comprising: the shell comprises an upper shell and a lower shell, the lower shell is provided with a hollow cavity, and the upper shell is hermetically connected with the lower shell; the power body, the power body surface has waterproof coating, the power body is installed in the cavity, it has sealed glue to pour into in the cavity, be used for sealing the power body, sealed glue submergence completely the power body. The embodiment of the utility model provides a waterproof power supply is through multiple waterproof sealing means to improve waterproof power supply's leakproofness and waterproof nature.
Description
Technical Field
The utility model relates to a power technical field, in particular to waterproof power supply.
Background
The power is usually used as and provides the driving force to electronic product, in order to ensure the normal work of power, generally needs the power to have good radiating effect to, to the power at outdoor work, still need to have good waterproof dustproof effect, inside so that the rainwater gets into the power, causes electronic components's short circuit, traditional power is general
The casing of traditional power is generally through connecting through upper and lower cover, and power supply circuit sets up inside the casing, and power input line and output line all pass the casing and are connected with power supply circuit, and inside the outside steam of casing entered into the power very easily from the joint line department of upper and lower cover and the hole department that power input line, power output line passed the casing, and water-proof effects is not good.
Therefore, it is desirable to provide a waterproof power supply, which has excellent waterproof performance, improves the waterproof effect of the power supply, and ensures the normal use of the power supply.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a waterproof power supply, have outstanding waterproof performance, improve waterproof power supply's water-proof effects.
In order to solve the above technical problem, an embodiment of the utility model provides a waterproof power supply, include: the shell comprises an upper shell and a lower shell, the lower shell is provided with a hollow cavity, and the upper shell is hermetically connected with the lower shell; the power body, the power body surface has waterproof coating, the power body is installed in the cavity, it has sealed glue to pour into in the cavity, be used for sealing the power body, sealed glue submergence completely the power body.
Optionally, the lower housing includes a bottom cover and a side cover, the side cover is connected to an edge of the bottom cover and perpendicular to the bottom cover, and the side cover and the bottom cover enclose the hollow cavity.
Optionally, one end of the side cover, which is far away from the bottom cover, is provided with a turned edge extending outwards in a turned manner, the turned edge is perpendicular to the side cover, the edge of the turned edge is provided with a first waterproof wall, and the first waterproof wall extends along a direction parallel to the side cover and far away from the bottom cover.
Optionally, the upper shell is connected with the turned-over edge, and the first waterproof wall surrounds and surrounds the side wall of the upper shell and is in contact with the side wall of the upper shell.
Optionally, the method further includes: and the power line penetrates through the side cover of the lower shell to enter the hollow cavity and is connected with the power body.
Optionally, a through hole matched with the power line is formed in the side cover of the lower shell, a glan head is arranged at the through hole, and the power line penetrates through the glan head and then enters the hollow cavity to be connected with the power supply body.
Optionally, a sealing ring is further disposed at a joint of the glan head and the through hole.
Optionally, a second waterproof wall is arranged on the outer surface of the side cover around the through hole, and the second waterproof wall extends outwards along a direction perpendicular to the side cover.
Optionally, the method further includes: and the bidirectional vent valve is arranged on the upper shell and used for balancing the air pressure inside and outside the waterproof power supply.
Optionally, a sealing gasket is arranged between the upper shell and the lower shell.
Optionally, the outer surfaces of the upper shell and the lower shell are both provided with cooling fins, and the cooling fins are integrally formed with the upper shell and the lower shell.
Optionally, the housing is a metal die-cast housing.
Optionally, the material of the housing includes aluminum or an aluminum alloy.
Compared with the prior art, the utility model discloses technical scheme has following beneficial effect:
the waterproof power supply has multiple waterproof protections, firstly, the surface of the power supply body is provided with a waterproof coating to protect electronic components on the power supply body from being isolated from water; secondly, sealing the power supply body by the sealant completely immersing the power supply body; thirdly, the interior of the housing is sealed by the sealing connection between the upper and lower housings of the housing. Multiple waterproof sealing can improve the water-proof effects of the power supply, and prevent water vapor from entering to influence the normal work of electrical components in the power supply.
Further, the upper shell is connected with the turned-over edge, and the first waterproof wall surrounds and surrounds the side wall of the upper shell and is in contact with the side wall of the upper shell. The first waterproof wall is arranged on the edge of the turned edge of the lower shell, and when the upper shell is connected with the turned edge, the first waterproof wall just surrounds the side wall of the upper shell, so that external water vapor can be prevented from entering the power supply shell through a connecting gap between the upper shell and the lower shell.
Furthermore, a through hole matched with the power line is formed in the side cover of the lower shell, a Glan head is arranged at the through hole, and the power line penetrates through the Glan head and then enters the hollow cavity to be connected with the power supply body. The glan head is arranged at the through hole, so that the sealing performance of the power line penetrating through the through hole can be enhanced, and external rainwater and the like are prevented from entering the power supply shell from the through hole.
Further, a second waterproof wall is arranged on the outer surface of the side cover around the through hole, and the second waterproof wall extends outwards along the direction perpendicular to the side cover. The setting of second bulkhead can block outside rainwater and be close to the through-hole, prevents that outside rainwater from passing through inside the through-hole gets into power casing.
Drawings
Fig. 1 is an exploded schematic view of a waterproof power supply according to an embodiment of the present invention;
fig. 2 is a schematic top view of a waterproof power supply according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view along direction AA of the waterproof power supply shown in FIG. 2;
FIG. 4 is an enlarged schematic view of the circled portion of FIG. 3;
fig. 5 is a front view of the water-tight power supply of fig. 2.
Detailed Description
Known from the background art, the traditional power supply has poor waterproof performance, rainwater easily enters the power supply when the power supply is used outdoors, electronic devices in the power supply are short-circuited, and great potential safety hazards exist.
In order to solve the above problems, the inventors provide a waterproof power supply including: the shell comprises an upper shell and a lower shell, the lower shell is provided with a hollow cavity, and the upper shell is hermetically connected with the lower shell; the power body, the power body surface has waterproof coating, the power body is installed in the cavity, it has sealed glue to pour into in the cavity, be used for sealing the power body, sealed glue submergence completely the power body. Waterproof power supply earlier carries out waterproofly through the waterproof coating on power body surface, and waterproof protection is carried out to sealed glue of rethread complete submergence power body, and waterproof power supply's water-proof nature has been strengthened through the sealing connection guarantee casing inside of last casing and lower casing through setting up multiple waterproof protection measure, avoids outside water to get into inside power short circuit, the burnout that causes of power, has eliminated the potential safety hazard.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Fig. 1 is an exploded schematic view of a waterproof power supply according to an embodiment of the present invention; fig. 2 is a schematic top view of a waterproof power supply according to an embodiment of the present invention; FIG. 3 is a schematic cross-sectional view along direction AA of the waterproof power supply shown in FIG. 2; fig. 5 is a front view of the water-tight power supply of fig. 2.
Referring to fig. 1 and 3 in combination, the waterproof power supply includes: the shell 10 comprises an upper shell 11 and a lower shell 12, the lower shell 12 is provided with a hollow cavity 13, and the upper shell 11 is connected with the lower shell 12 in a sealing manner; the power supply comprises a power supply body 20, the surface of the power supply body 20 is provided with a waterproof coating, the power supply body 20 is installed in the hollow cavity 13, sealant is poured into the hollow cavity 13 and used for sealing the power supply body 20, and the sealant is completely immersed in the power supply body 20.
In this embodiment, casing 10 is the metal die-casting casing, and the intensity of die-casting casing is bigger, to when pouring sealed glue into in the casing 12 down, can adopt evacuation or negative pressure encapsulating, make the filling performance of sealed glue better, have better waterproof sealing effect.
In other embodiments, the housing 10 may also be an extruded housing.
In this embodiment, the housing 10 is made of aluminum; in other embodiments, the material of the housing 10 may also be ADC6 (aluminum magnesium alloy with 4% magnesium), a380 aluminum alloy, or ALSI10MG aluminum alloy.
In this embodiment, the power supply body 20 is a PCB circuit board.
In this embodiment, waterproof coating is epoxy waterproof material, has good waterproof performance, can avoid electronic components on the PCB circuit board to contact moisture.
In other embodiments, the waterproof coating may also be an acrylate-based waterproof material or a polyurethane-based waterproof material or a silicone.
Referring to fig. 2, the waterproof power supply further includes: and the bidirectional vent valve 30 is arranged on the upper shell 11 and used for balancing the air pressure inside and outside the waterproof power supply.
The function of the bidirectional vent valve 30 is that, on one hand, when the waterproof power supply is subjected to a high-temperature test, the temperature of the power supply body is reduced after the test is finished, the pressure inside the waterproof power supply is reduced, and when the pressure inside the waterproof power supply is lower than the external atmospheric pressure, external moisture easily enters the waterproof power supply under the action of the atmospheric pressure to cause the failure of the power supply, and the bidirectional vent valve can keep the balance of the internal and external atmospheric pressures; on the other hand, the sealing glue can be poured into the waterproof power supply through the two-way vent valve.
In this embodiment, the sealant is silicon rubber, and after the sealant is completely immersed in the power supply body, the power supply body can be completely isolated from external moisture. The silicon rubber can also be used as a heat conduction medium to help the PCB to dissipate heat.
In other embodiments, the sealant may also be made of epoxy resin.
In this embodiment, the upper housing 11 and the lower housing 12 are both provided with mounting holes, so that a suitable mounting manner can be selected conveniently according to a specific mounting environment, the upper housing 11 can be mounted as a mounting surface, and the lower housing 12 can also be mounted as a mounting surface.
With continued reference to fig. 1 and 3, the outer surfaces of the upper housing 11 and the lower housing 12 are each provided with a heat sink 14, and the heat sink 14 is integrally formed with the upper housing 11 and the lower housing.
In this embodiment, the heat sink 14 is used to help the power supply dissipate heat, so as to avoid damage caused by overheating of the power supply.
In this embodiment, the outer surfaces of the upper shell 11 and the lower shell 12 are both provided with cooling fins 14; in other embodiments, only the upper case 11, only the lower case 12, or neither of them may be provided with heat dissipation fins.
In this embodiment, the heat sink 14 is integrally formed with the upper case 11 and the lower case 12; in other embodiments, the heat sink 14 may be fixed on the surfaces of the upper housing 11 and the lower housing 12 by means of adhesion or welding.
Referring to fig. 5, the lower case 12 includes a bottom cover 121 and a side cover 122, the side cover 122 is connected to an edge of the bottom cover 121 and is perpendicular to the bottom cover 121, and the side cover 122 and the bottom cover 121 enclose a hollow cavity 13.
In this embodiment, the bottom cover 121 is rectangular, the side covers 122 are connected to four sides of the rectangular bottom cover 121, the side covers 122 and the bottom cover 121 together form a hollow cavity, and the lower housing 12 is a rectangular housing with an open top and a hollow cavity.
In other embodiments, the bottom cover 121 may also be square or other shapes, and the present invention does not limit the specific shape of the lower case.
In this embodiment, the side cover 122 and the bottom cover 121 are integrally formed, so that the side cover and the bottom cover can be connected without a gap by the integral forming, and the sealing performance of the lower housing is enhanced.
In other embodiments, the side cover may also be connected to the bottom cover by means of snap-fit, screw-fit, or riveting.
In this embodiment, the power supply body 20 is installed in the hollow cavity 13, specifically, the power supply body 20 is installed on an inner surface of the bottom cover 121, and the inner surface is a surface facing the hollow cavity.
In this embodiment, the power supply body 20 is connected to the bottom cover 121 by screws; in other embodiments, the power supply body 20 may be connected to the bottom cover 121 by rivet connection or other methods.
Fig. 4 is an enlarged schematic structural view of a portion circled in fig. 3, referring to fig. 4, an end of the side cover 122 away from the bottom cover 121 is provided with a flange 1221 extending outward, the flange 1221 is perpendicular to the side cover 122, an edge of the flange 1221 is provided with a first waterproof wall 1222, and the first waterproof wall 1222 extends in a direction parallel to the side cover 122 and away from the bottom cover 121.
In this embodiment, the flange 1221 is integrally formed with the side cover 122, and the first waterproof wall 1222 is integrally formed with the flange 1221.
With continued reference to fig. 4, the upper housing 11 is connected to the flange 1221, and the first waterproof wall 1222 surrounds the sidewall of the upper housing 11 and contacts the sidewall of the upper housing 11.
In this embodiment, the upper housing 11 is connected to the flange 1221 by screws, and screw holes corresponding to the positions of the flange 1221 and the upper housing 11 are provided; in other embodiments, the upper housing 11 and the flange 1221 may be connected by rivets.
In this embodiment, after the upper housing 11 is mounted on the flange 1221, the first waterproof wall 1222 just surrounds the upper housing 11, on one hand, a gap at a connection between the upper housing 11 and the lower housing 12 is made smaller, so as to prevent external water from entering the waterproof power supply through the gap; on the other hand, when the waterproof power supply adopts the installation mode that the lower casing covers the upper casing, the first waterproof wall 1222 completely covers the gap at the joint of the upper casing and the lower casing, so as to shield external rainwater and increase the waterproof property of the connection between the upper casing and the lower casing.
In other embodiments, there may be a distance between the first waterproof wall 1222 and the sidewall of the upper case 11.
Referring to fig. 1, a sealing gasket 110 is disposed between the upper case 11 and the lower case 12.
Specifically, the flange 1221 has a groove (not shown) for accommodating the sealing gasket 110, and the sealing gasket 110 is disposed in the groove, on one hand, the upper housing 11 and the lower housing 12 are fastened and connected by a screw, and on the other hand, external rainwater is further prevented from entering the power supply through the joint between the upper housing and the lower housing by the sealing effect of the sealing gasket.
Referring to fig. 3, the waterproof power supply further includes: and a power cord (not shown) passing through the side cover 122 of the lower case 12 into the hollow cavity 13 and connected to the power supply body 20.
In this embodiment, the power lines include an input power line and an output power line, which respectively pass through the side covers 122 disposed in parallel to each other and enter the hollow cavity 13.
With reference to fig. 3, a through hole matched with the power line is formed in the side cover 122 of the lower housing 12, a glan head 1223 is disposed at the through hole, and the power line passes through the glan head 1223 and enters the hollow cavity 13 to be connected to the power source body 20.
In this embodiment, the glan head is arranged at the through hole of the power line passing through the side cover 122, the glan head plays a role of sealing the through hole, the power line passes through the glan head and then enters the hollow cavity, and the glan head can prevent external rainwater from entering the hollow cavity through the through hole to damage the power supply body.
In this embodiment, the glan head 1223 with the junction of through-hole still is provided with the sealing washer, the sealing washer has further strengthened the waterproof sealing effect of through-hole and glan head.
Referring to fig. 1, a second waterproof wall 1224 is further provided on an outer surface of the side cover 122 around the through-hole, the second waterproof wall 1224 extending outward in a direction perpendicular to the side cover 122.
In this embodiment, the second waterproof wall 1224 extending outward means extending in a direction away from the hollow cavity 13, and the second waterproof wall 1224 may cover a through hole passing through the power line and a glan head disposed at the through hole, so as to block rainwater from approaching the through hole, prevent the rainwater from entering the waterproof power supply from the through hole, and improve the waterproof performance of the waterproof power supply.
In this embodiment, the second waterproof wall 1224 is an open arch, and both ends of the opening are connected to the flanges 1221; in other embodiments, the second waterproofing wall 1224 may be round or square or other shapes.
The embodiment of the utility model provides a waterproof power supply, through the sealed multiple waterproof sealing protection such as sealed glue of sealing connection, power body's waterproof coating and sealed power body of last casing and lower casing, strengthened waterproof power supply's leakproofness, waterproof nature, avoid the rainwater to contact power body and cause the electron device short circuit, burn out, influence the normal use of power.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (13)
1. A waterproof power supply, comprising:
the shell comprises an upper shell and a lower shell, the lower shell is provided with a hollow cavity, and the upper shell is hermetically connected with the lower shell;
the power body, the power body surface has waterproof coating, the power body is installed in the cavity, it has sealed glue to pour into in the cavity, be used for sealing the power body, sealed glue submergence completely the power body.
2. The waterproof power supply of claim 1, wherein said lower housing comprises a bottom cover and side covers, said side covers being connected to edges of said bottom cover and perpendicular to said bottom cover, said side covers and said bottom cover enclosing said hollow cavity.
3. The waterproof power supply of claim 2, wherein an end of the side cover remote from the bottom cover is provided with a flange extending outwardly from the flange, the flange is perpendicular to the side cover, and an edge of the flange is provided with a first bulkhead extending parallel to the side cover and remote from the bottom cover.
4. The waterproof power supply of claim 3 wherein said upper housing is connected to said flange, said first waterproof wall surrounding and contacting said side wall of said upper housing.
5. The waterproof power supply of claim 2, further comprising: and the power line penetrates through the side cover of the lower shell to enter the hollow cavity and is connected with the power body.
6. The waterproof power supply according to claim 5, wherein a through hole matched with the power line is formed in the side cover of the lower casing, a Glan head is arranged at the through hole, and the power line penetrates through the Glan head and enters the hollow cavity to be connected with the power supply body.
7. The waterproof power supply of claim 6 wherein a seal ring is further provided at the junction of said glan head and said through hole.
8. The waterproof power supply according to claim 6, wherein a second waterproof wall is provided on an outer surface of said side cover around said through hole, said second waterproof wall extending outward in a direction perpendicular to said side cover.
9. The waterproof power supply of claim 1, further comprising: and the bidirectional vent valve is arranged on the upper shell and used for balancing the air pressure inside and outside the waterproof power supply.
10. The water resistant power supply of claim 1 wherein a sealing gasket is disposed between the upper housing and the lower housing.
11. The waterproof power supply according to claim 1, wherein the outer surfaces of the upper case and the lower case are each provided with a heat sink, the heat sink being integrally formed with the upper case and the lower case.
12. The water resistant power supply of claim 1 wherein said housing is a metal die cast housing.
13. The waterproof power supply of claim 12 wherein said housing is made of aluminum or an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020260013.3U CN212086719U (en) | 2020-03-05 | 2020-03-05 | Waterproof power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020260013.3U CN212086719U (en) | 2020-03-05 | 2020-03-05 | Waterproof power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212086719U true CN212086719U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020260013.3U Active CN212086719U (en) | 2020-03-05 | 2020-03-05 | Waterproof power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212086719U (en) |
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2020
- 2020-03-05 CN CN202020260013.3U patent/CN212086719U/en active Active
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