CN211406608U - Waterproof switch power supply - Google Patents
Waterproof switch power supply Download PDFInfo
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- CN211406608U CN211406608U CN201922386102.2U CN201922386102U CN211406608U CN 211406608 U CN211406608 U CN 211406608U CN 201922386102 U CN201922386102 U CN 201922386102U CN 211406608 U CN211406608 U CN 211406608U
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- power supply
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- bottom shell
- switching power
- sealing ring
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Abstract
The utility model discloses a waterproof switch power supply, which comprises a bottom shell, an upper cover, a PCBA board, an AC line and a DC line, wherein the PCBA board comprises a USB socket, the DC line is connected with the USB socket, and a first sealing ring is arranged between the USB socket and the bottom shell; the bottom shell is provided with an opening, and a second sealing ring is arranged between the opening and the AC line; the waterproof switch power supply also comprises a male seat, the male seat is fixed on the bottom shell, and a third sealing ring is arranged between the male seat and the bottom shell; a fourth sealing ring is arranged between the upper cover and the bottom shell; sealant is filled in the bottom shell; the AC line comprises a first clamping groove and a second clamping groove, the second sealing ring is clamped in the first clamping groove, and the waterproof switch power supply further comprises a buckle which is clamped in the second clamping groove; the DC line further includes a threaded section and a fastening sleeve. The utility model discloses in through the water proof treatment of these, make switching power supply's waterproof grade can reach more than IP67, improved switching power supply's waterproof nature greatly.
Description
Technical Field
The utility model relates to a switching power supply makes technical field, in particular to waterproof switching power supply.
Background
A switching power supply, also called an exchange power supply or a switching converter, is a high-frequency power conversion device. The switching power supply is a power supply which utilizes modern power electronic technology to control the on-off time ratio of a switching tube and maintain stable output voltage, and generally consists of a pulse width modulation control IC and an MOSFET. With the development and innovation of power electronic technology, the technology of the switching power supply is continuously innovated, and the switching power supply is widely applied to almost all electronic equipment with the characteristics of small size, light weight and high efficiency, and is an indispensable power supply mode for the rapid development of the current electronic information industry. In order to better use the switching power supply, the switching power supply is also used in various environments and occasions more and more widely, more and more attention is paid to the improvement of the safety of the switching power supply, and the quality of the waterproof performance of the switching power supply is an important factor for ensuring the safety of the switching power supply, so that it is necessary to design a switching power supply with excellent waterproof performance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waterproof switching power supply has promoted switching power supply's among the prior art waterproof performance effectively.
The utility model adopts the technical proposal that: a waterproof switch power supply comprises a bottom shell with an opening, an upper cover covering the opening of the bottom shell, a PCBA board arranged in the bottom shell, an AC wire and a DC wire, wherein the AC wire and the DC wire penetrate through the bottom shell; the bottom shell is provided with an opening for the AC line to pass through, and a second sealing ring is arranged between the opening and the AC line; the waterproof switch power supply also comprises a male seat sleeved outside the DC line, the male seat is fixed on the bottom shell, and a third sealing ring is arranged between the male seat and the bottom shell; a fourth sealing ring is arranged between the upper cover and the bottom shell; and sealant is filled in the bottom shell.
Further, the AC line includes sets up at first draw-in groove along its circumference, the second sealing washer card is established in the first draw-in groove.
Further, the AC line further comprises a second clamping groove arranged in the circumferential direction of the AC line, the waterproof switch power supply further comprises a buckle arranged in the bottom shell, and the buckle is clamped in the second clamping groove to fix the AC line.
Furthermore, an annular accommodating groove for installing the fourth sealing ring is formed in an opening of the bottom shell, and the upper cover comprises an extending portion which extends into the accommodating groove and abuts against the fourth sealing ring.
Furthermore, the upper cover is provided with a first opening for injecting the sealant.
Furthermore, the upper cover is also provided with a second opening used for observing the amount of the sealant in the bottom shell.
Further, the sealant is AB glue.
Furthermore, the waterproof switch power supply also comprises a detachable fixed hanging plate arranged on the upper cover.
Further, the DC line further comprises a fastening structure movably arranged along the circumferential direction of the DC line, and the fastening structure moves towards the male seat to be attached to the male seat.
Further, the fastening structure comprises a threaded section arranged on the DC line and a fastening sleeve matched with the threaded section.
Compared with the prior art, the utility model discloses in through be equipped with first sealing washer between USB socket and drain pan, be equipped with the second sealing washer between opening and the AC line, public seat with be equipped with the third sealing washer between the drain pan, the upper cover with be equipped with the fourth sealing washer between the drain pan, it has sealed glue still to fill in the drain pan, accomplishes the process of production at switching power supply, through the waterproof protection of these and handles, its waterproof grade can reach more than IP67, has improved switching power supply's waterproof nature greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is an exploded schematic view of a waterproof switching power supply according to the present invention;
fig. 2 is a schematic diagram of an explosion structure of the middle bottom shell, the upper cover and the fourth sealing ring of the present invention;
fig. 3 is a schematic diagram of a three-dimensional structure of the DC line of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the waterproof switch power supply of the present invention includes a bottom case 1, an upper cover 2, a PCBA board 3, an AC line 4 and a DC line 5; wherein the bottom case 1 is a hollow structure with an opening formed at the upper end, and the upper cover 2 is covered on the open position of the bottom case 1 to seal the bottom case 1, and the PCBA board 3 is mounted inside the bottom case 1.
The utility model provides a design point lies in with switching power supply overall seal, makes switching power supply waterproof dustproof all-round, and its grade reaches more than IP67, and the product practicality is strong, and is small, light in weight, operating temperature are low, indoor outdoor all can safe handling.
Specifically, the PCBA board 3 is provided with the USB socket 31, the DC cable 5 passes through the bottom case 1 and is inserted into the USB socket 31 to complete installation, the bottom case 1 is provided with a hole having a size similar to that of the USB port, the DC cable 5 passes through the hole and is inserted into the USB socket 31, the size of the USB socket 31 is slightly larger than that of the USB port so that the USB socket 31 can abut against the bottom case 1 without passing through the USB port, the USB socket 31 abuts against the bottom case 1, the first sealing ring 6 is arranged between the USB socket 31 and the bottom case 1, and the middle of the first sealing ring 6 is provided with a port for the DC cable 5 to pass through, so that the DC cable is connected and the inside of the bottom case 1 is ensured to be sealed.
Further, still be equipped with an opening 11 that supplies AC line 4 to pass on drain pan 1, wherein AC line 4 sets up on the opposite side relative with DC line 5, and AC line 4 passes and is connected with PCBA board 3 electricity from opening 11, for making between AC line 4 and the opening 11 sealed, the utility model discloses the cover is equipped with second sealing washer 7 between the inner wall of AC line 4 and opening 11, and still guarantees to get up drain pan 1 internal seal when setting up of second sealing washer 7 satisfies AC line 4 and inserts.
Specifically, a circle of first clamping groove 41 is formed in the circumferential direction of the AC line 4, the second sealing ring 7 is an annular sealing ring, the second sealing ring 7 is sleeved on the first clamping groove 41, and meanwhile, the outer contour of the second sealing ring 7 is attached to the inner side of the opening 11, so that sealing installation is completed.
In this embodiment, the shape of the opening 11 is circular, the diameter of the circular opening 11 increases progressively from inside of the bottom case 1 to outside of the bottom case 1, the second sealing ring 7 is also designed to be in a shape matched with the opening 11, that is, the second sealing ring 7 is circular, the diameter of the outer contour of the second sealing ring 7 is also set to be in a shape increasing progressively, the small-diameter end of the second sealing ring 7 is arranged at the small-diameter end of the opening 11, and the large-diameter end of the second sealing ring 7 is arranged at the large-diameter end of the opening 11, so that the second sealing ring 7 is tightly attached to the inside of the opening 11, and meanwhile, the second sealing ring 7 cannot be forced to push against the inside of the bottom case 1.
Meanwhile, the AC line 4 further comprises a second clamping groove 42 arranged along the circumferential direction of the AC line 4, the second clamping groove 42 is arranged at a distance from the first clamping groove 41, the second clamping groove 42 is located on one side of the AC line 4 close to the inside of the bottom case 1, a buckle 43 capable of being inserted into the second clamping groove 42 is further arranged in the bottom case, the overall size requirement of the buckle 43 is larger than that of the opening 11, the buckle 43 is inserted into the second clamping groove 42 after the AC line 4 penetrates into the bottom case 1, the buckle 43 is abutted against the inside of the bottom case 1 and cannot penetrate out of the opening 11, the buckle 43 and the second sealing ring 7 jointly act to clamp the AC line 4 on two sides of the opening 11, so that the AC line 4 cannot move back and forth from the opening 11, and the stability of connection of the AC line 4 and the PCBA board; meanwhile, the mode also has the characteristics of simple structure, convenience in installation and the like.
Further, a male socket 12 is further installed on the outer side of the bottom shell 1, the male socket 12 is arranged at a position opposite to the USB socket 31, the male socket 12 is fixed on the bottom shell 1 by using screws, when the DC wire 5 is inserted into the USB socket 31, the DC wire 5 firstly passes through the male socket 12, then the DC wire 5 is inserted into the USB socket 31, one end face of the male socket 12 is an installation face of the male socket on the bottom shell 1, a third sealing ring 8 is padded between the end face and the bottom shell 1, and the third sealing ring 8 mainly serves to seal the DC wire 5 and the USB socket 31, so as to protect the stability of the electrical connection of the switching power supply.
As shown in fig. 3, the DC line 5 further includes a fastening structure movably disposed along a circumferential direction thereof, the fastening structure includes a threaded section 51 disposed on the DC line 5 and a fastening sleeve 52 installed in cooperation with the threaded section 51, the fastening sleeve 52 is provided with an internal thread, the fastening sleeve 52 is sleeved on the threaded section 51 and can rotate the fastening sleeve 52 to enable the fastening sleeve 52 to move back and forth along an axial direction of the DC line 5, when the DC line 5 is inserted into the USB socket 31, the fastening sleeve 52 is rotated, the fastening sleeve 52 moves towards the male seat 12, so that the fastening sleeve 52 abuts against the male seat, thereby enabling the DC line 5 to be installed more tightly, and further sealing effect can be achieved on the DC line 5 and the USB socket 31.
Further, the upper cover 2 is arranged on the opening of the bottom shell 1, a fourth sealing ring 9 is arranged between the opening of the bottom shell 1 and the upper cover 2 in a cushioning mode, and the fourth sealing ring 9 is used for guaranteeing sealing connection between the upper cover 2 and the bottom shell 1.
Specifically, as shown in fig. 2, an annular receiving groove 13 is provided at an opening of the bottom case 1, the annular receiving groove 13 is specifically provided at an inner side of the opening of the bottom case 1, the fourth sealing ring 9 is also of an annular structure, and the fourth sealing ring 9 can be just mounted in the annular receiving groove 13, the upper cover 2 includes an extending portion 21 extending into the annular receiving groove 13, a bottom of the extending portion 21 abuts against the fourth sealing ring 9 while preventing the upper cover 2 from moving back and forth when covering the bottom case 1, an outer side of the upper cover 2 and located at the extending portion 21 is attached to the opening end of the bottom case 1, and the upper cover 2 and the opening end of the bottom case 1 are welded together by ultrasonic welding, so that the upper cover and the bottom case are welded together.
Further, when the PCBA board 3 is mounted in the bottom case 1, and the DC line 5 and the AC line 4 are both mounted in a sealed manner with the bottom case, the liquid sealant is injected into the bottom case 1 through the upper cover 2, the bottom case 1 is filled with the liquid sealant, and the circuit structure in the PCBA board 3 is covered by the sealant, so that a waterproof and dustproof protective layer is further provided for the switching power supply, and the internal circuit structure is further protected.
Specifically, the upper cover 2 is provided with a first opening 22 and a second opening 23, when the upper cover 2 is mounted on the bottom shell 1, liquid sealant is injected from the first opening 22, the second opening 23 is used for observing the injection amount of the sealant in the bottom shell 1, when the sealant injected from the first opening 22 overflows to the level of the second opening 23, the sealant inside the bottom shell is saturated, and at the moment, the sealant can be solidified after waiting for 4-8 hours.
Preferably, the sealant in this embodiment is AB glue.
The switching power supply in this embodiment further includes a detachably mounted fixing hanging plate 10, a fixing hole is provided on the surface of the fixing hanging plate 10, the fixing hanging plate 10 is mounted on the upper cover 2 through a buckle, the fixing hanging plate 10 is mounted on the upper cover 2, and the switching power supply is fixed on a wall or other structures through the fixing hole and using a screw.
The utility model discloses in through be equipped with first sealing washer between USB socket and drain pan, be equipped with the second sealing washer between opening and the AC line, public seat with be equipped with the third sealing washer between the drain pan, the upper cover with be equipped with the fourth sealing washer between the drain pan, it has sealed glue still to fill in the drain pan, accomplishes the process of production at switching power supply, through the waterproof protection of these and handles, its waterproof grade can reach more than IP67, has improved switching power supply's waterproof nature greatly.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A waterproof switch power supply comprises a bottom shell with an opening, an upper cover covering the opening of the bottom shell, a PCBA board arranged in the bottom shell, an AC wire and a DC wire penetrating through the bottom shell, and is characterized in that the PCBA board comprises a USB socket, the DC wire is connected with the USB socket, and a first sealing ring is arranged between the USB socket and the bottom shell;
the bottom shell is provided with an opening for the AC line to pass through, and a second sealing ring is arranged between the opening and the AC line;
the waterproof switch power supply also comprises a male seat sleeved outside the DC line, the male seat is fixed on the bottom shell, and a third sealing ring is arranged between the male seat and the bottom shell;
a fourth sealing ring is arranged between the upper cover and the bottom shell;
and sealant is filled in the bottom shell.
2. The waterproof switching power supply of claim 1, wherein the AC line includes a first groove disposed along a circumferential direction thereof, and the second gasket is engaged with the first groove.
3. The waterproof switching power supply of claim 2, wherein the AC line further comprises a second locking groove disposed along a circumferential direction thereof, and wherein the waterproof switching power supply further comprises a buckle disposed in the bottom case, and the buckle is locked in the second locking groove to fix the AC line.
4. The waterproof switching power supply according to claim 1, wherein an annular receiving groove for receiving the fourth sealing ring is provided at the opening of the bottom case, and the upper cover includes an extending portion extending into the receiving groove and abutting against the fourth sealing ring.
5. The waterproof switching power supply according to claim 1, wherein said upper cover is provided with a first opening for injecting a sealant.
6. The waterproof switching power supply of claim 5, wherein said top cover is further provided with a second opening for observing the amount of sealant within said bottom case.
7. The waterproof switching power supply of claim 1 wherein said sealant is an AB glue.
8. The waterproof switching power supply according to claim 1, further comprising a fixing hanging plate detachably provided on the upper cover.
9. The waterproof switching power supply according to claim 1, wherein said DC line further comprises a fastening structure movably provided along a circumferential direction thereof, said fastening structure being movable toward said male seat to abut against the male seat.
10. The waterproof switching power supply according to claim 9, wherein the fastening structure comprises a threaded section provided on the DC line and a fastening sleeve fitted with the threaded section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386102.2U CN211406608U (en) | 2019-12-26 | 2019-12-26 | Waterproof switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386102.2U CN211406608U (en) | 2019-12-26 | 2019-12-26 | Waterproof switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211406608U true CN211406608U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922386102.2U Active CN211406608U (en) | 2019-12-26 | 2019-12-26 | Waterproof switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211406608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865885A (en) * | 2022-04-08 | 2022-08-05 | 常州市创联电源科技股份有限公司 | High-power waterproof switching power supply box |
-
2019
- 2019-12-26 CN CN201922386102.2U patent/CN211406608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865885A (en) * | 2022-04-08 | 2022-08-05 | 常州市创联电源科技股份有限公司 | High-power waterproof switching power supply box |
| CN114865885B (en) * | 2022-04-08 | 2023-06-06 | 常州市创联电源科技股份有限公司 | High-power waterproof switch power supply box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 423400 floors 1-3, building 7, Jiangbei Industrial Park Innovation and entrepreneurship base (dream pursuit Park), Zixing Economic Development Zone, Chenzhou City, Hunan Province Patentee after: Chenzhou furuikang Electronic Co.,Ltd. Address before: 423400 1st floor, No.7 workshop, Chenzhou Hengfeng Technology Co., Ltd., Hanning West Road, Jiangbei Industrial Park, Zixing Economic Development Zone, Chenzhou City, Hunan Province Patentee before: Chenzhou furuikang Electronic Co.,Ltd. |