CN212136415U - Power device protective cover - Google Patents
Power device protective cover Download PDFInfo
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- CN212136415U CN212136415U CN202020833049.6U CN202020833049U CN212136415U CN 212136415 U CN212136415 U CN 212136415U CN 202020833049 U CN202020833049 U CN 202020833049U CN 212136415 U CN212136415 U CN 212136415U
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- power device
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Abstract
The application belongs to the technical field of power device protection devices, and provides a power device protection cover which comprises a first cover body, wherein a plurality of positioning holes for pins of a power device to pass through are formed in the first cover body; and the second cover body is detachably connected with the first cover body and covers the first cover body to form a plurality of accommodating grooves for accommodating the power devices and at least one partition wall for isolating the accommodating grooves, and the positioning holes are communicated with the accommodating grooves. The utility model provides a power device protection casing has adopted first lid and the cooperation of second lid, first lid can form a plurality of storage tanks of mutual isolation with second lid after closing, a plurality of power device respectively the holding is in a plurality of storage tanks, separate two adjacent power device through the division wall, even can not take place dangerous condition such as insulation failure even if guarantee under the parcel of first lid and second lid between two power device of only less interval, thereby the poor problem of insulating nature between a plurality of power device of having solved intensive distribution.
Description
Technical Field
The application belongs to the technical field of power device protection devices, and particularly relates to a power device protective cover.
Background
Along with the progress of welding technology, the electric welding develops to the miniaturization direction step by step for the inside space of electric welding is littleer and more, and because welding power's requirement, need connect a plurality of power device on the Printed Circuit Board (PCB) of electric welding, this will lead to the interval between two adjacent power device to reduce, causes dangerous phenomena such as creepage between two adjacent power device easily, makes the electric welding have great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The present application is directed to a power device protection cover, including but not limited to solving the technical problem of poor insulation between a plurality of densely distributed power devices.
In order to solve the above technical problem, an embodiment of the present application provides a power device protective cover, including:
the power device comprises a first cover body, a second cover body and a power component, wherein the first cover body is provided with a plurality of positioning holes for pins of the power device to pass through; and
the second cover body is detachably connected with the first cover body and covers the first cover body to form a plurality of accommodating grooves for accommodating the power devices and at least one partition wall for isolating the accommodating grooves, one partition wall is arranged between every two adjacent accommodating grooves, and the positioning holes are communicated with the accommodating grooves.
Optionally, the second cover body is provided with a plurality of heat dissipation windows for exposing the heat dissipation area of the power device and contacting the heat sink, and the heat dissipation windows are in one-to-one correspondence with the accommodating grooves and are communicated with the accommodating grooves.
Optionally, the outer wall of the first cover body is provided with a plurality of bosses for abutting against the printed circuit board, the bosses correspond to the accommodating grooves one to one, and the positioning holes penetrate through the bosses.
Optionally, a plurality of first positioning groove groups for positioning the pins of the power device are formed in the inner wall of the first cover body, the first positioning groove groups correspond to the accommodating grooves in a one-to-one manner, each first positioning groove group comprises a plurality of first positioning grooves distributed at intervals, and the first positioning grooves correspond to and are communicated with the positioning holes in a one-to-one manner.
Optionally, a plurality of second positioning groove groups for positioning pins of the power device are formed in the inner wall of the second cover body, the second positioning groove groups correspond to the first positioning groove groups in a one-to-one manner, each second positioning groove group includes a plurality of second positioning grooves distributed at intervals, and the second positioning grooves and the first positioning grooves are spliced to form a positioning cavity.
Optionally, the power device protective cover further includes a plurality of oppositely disposed snap structures, and the snap structures include:
a mounting projection provided on one side edge of one of the first cover and the second cover; and
and the mounting lug is arranged on one side edge of the other one of the first cover body and the second cover body, and the mounting lug is clamped with the mounting protrusion.
Optionally, an installation groove is formed in a peripheral edge of one of the first cover and the second cover, and an installation flange adapted to the installation groove is formed in a peripheral edge of the other of the first cover and the second cover.
Optionally, the power device protective cover further includes a plurality of positioning structures disposed oppositely, and the positioning structures include:
the positioning bulge is arranged on one side edge of one of the first cover body and the second cover body, which is adjacent to the buckle structure; and
and the third positioning groove is formed in one side edge of the other one of the first cover body and the second cover body, which is adjacent to the buckle structure, and the positioning bulge is inserted into the third positioning groove.
Optionally, the partition wall is provided with a first mounting hole, the first cover body is provided with an avoidance window for exposing the power device, the power device protective cover further comprises a pressing sheet for penetrating the avoidance window and pressing against the power device, and the pressing sheet is provided with a second mounting hole for a screw threaded through the first mounting hole.
Optionally, the power device protective cover further comprises:
and the dustproof sleeve is sleeved on the inner side of the pressing sheet and covers the avoiding window.
The application provides a power device protection casing's beneficial effect lies in: the cooperation of the first cover body and the second cover body is adopted, a plurality of accommodating grooves which are mutually isolated can be formed after the first cover body and the second cover body are covered, a plurality of power devices are respectively accommodated in the accommodating grooves, two adjacent power devices are separated through the partition wall, the dangerous conditions such as insulation failure and the like can not occur even if two power devices with small distances are wrapped by the first cover body and the second cover body, the technical problem of poor insulation among a plurality of power devices which are distributed densely is effectively solved, the electric gap between the power devices is ensured, the safety and the reliability of the power devices in the using process are improved, the effect of a tool clamp can be achieved, and the height of pins of the power devices can be kept uniform without the help of other tools by installation and maintenance personnel.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a power device protection cover according to an embodiment of the present disclosure;
fig. 2 is an exploded perspective view of a power device protection cover according to an embodiment of the present disclosure;
fig. 3 is a schematic perspective exploded view of another angle of the power device protection cover according to the embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10-power device protection cover, 11-first cover body, 12-second cover body, 15-pressing sheet, 16-dustproof cover, 101-containing groove, 102-isolation wall, 111-positioning hole, 112-boss, 113-first positioning groove group, 114-installation groove, 115-avoidance window, 121-heat dissipation window, 122-second positioning groove group, 123-installation flange, 131-installation bulge, 132-installation lug, 141-positioning bulge, 142-third positioning groove, 150-second installation hole, 160-sleeve, 1020-first installation hole, 1130-first positioning groove and 1220-second positioning groove;
20-power device, 21-pin, 22-heat dissipation area;
30-a printed circuit board;
40-screw.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
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 or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the power device protective cover 10 provided by the present application includes a first cover 11 and a second cover 12, wherein a plurality of positioning holes 111 are formed on the first cover 11, the positioning holes 111 are used for pins 21 of the power device 20 to pass through, the second cover 12 is detachably connected to the first cover 11, the second cover 12 and the first cover 11 are covered to form a plurality of accommodating grooves 101 and at least one partition wall 102, the accommodating grooves 101 are used for accommodating the power device 20, the partition wall 102 is used for separating the accommodating grooves 101, that is, a partition wall 102 is disposed between two adjacent accommodating grooves 101, and the positioning holes 111 are communicated with the accommodating grooves 101. It is understood that the first cover 11 and the second cover 12 are made of insulating materials; the number of the positioning holes 111 is adapted to the number of the pins 21 of the power device 20 mounted in the power device protective cover 10, taking the power device 20 for an electric welding machine as an example, the power device 20 has three pins 21, if the power device protective cover 10 can be accommodated by two power devices 20, one accommodating groove 101 corresponds to three positioning holes 111, and two groups of six positioning holes 111 are formed on the first cover 11; the ends of the leads 21 of the power device 20 can extend out of the power device protective cover 10 after passing through the positioning holes 111 for being soldered to the printed circuit board 30.
When the power device 20 needs to be mounted on the printed circuit board 30, the power device 20 is first placed on the inner wall of the first cover 11 at a position corresponding to the receiving slot 101, the pins 21 of the power device 20 extend into the corresponding positioning holes 111, then the second cover 12 is covered on the first cover 11, and then the plurality of power devices 20 are fixed inside the power device protection cover 10, and then the tail ends of the pins 21 extending out of the power device protection cover 10 are welded on the specific position of the printed circuit board 30, so that the mounting of the power device 20 is completed.
The power device protective cover 10 provided by the present application adopts the first cover 11 and the second cover 12 to cooperate, the first cover 11 and the second cover 12 can form a plurality of accommodating grooves 101 isolated from each other after being covered, the plurality of power devices 20 are respectively accommodated in the plurality of accommodating grooves 101, the adjacent two power devices 20 are separated by the partition wall 102, so that the dangerous situation of insulation failure and the like does not occur between the two power devices 20 with even a smaller distance under the wrapping of the first cover 11 and the second cover 12, thereby effectively solving the technical problem of poor insulation among a plurality of densely distributed power devices, ensuring the electric clearance among the power devices 20, improving the safety and reliability of the power devices 20 in the using process, playing the role of a tool clamp, so that the height of the pins 21 of the power device 20 can be kept uniform without the help of other tools by installation and maintenance personnel.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protective cover provided in the present application, a plurality of heat dissipation windows 121 are formed on the second cover 12, and the heat dissipation windows 121 correspond to the receiving grooves 101 one to one and are communicated with each other for exposing the heat dissipation area 22 of the power device 20 and contacting with the heat sink. Specifically, the heat dissipation window 121 penetrates through the inner and outer walls of the second cover 12, is in one-to-one communication with the receiving groove 101, and is directly opposite to the heat dissipation area 22 of the power device 20, when the power device 20 is received in the receiving groove 101, the heat dissipation area 22 of the power device 20 can be exposed outside the power device protective cover 10 through the heat dissipation window 121, which is beneficial to fully contacting the heat dissipation area 22 of the power device 20 with a heat sink, so as to improve the heat dissipation efficiency.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protective cover provided in the present application, a plurality of bosses 112 are disposed on an outer wall of the first cover 11, the bosses 112 correspond to the receiving grooves 101 one to one and are used for abutting against the printed circuit board 30, and the positioning hole 111 penetrates through the bosses 112. Specifically, the bosses 112 extend outward from the surface of the outer wall of the first cover 11 in the axial direction of the positioning holes 111, and the extending height of the bosses matches the length of the pins 21 of the power device 20 extending out of the power device shield 10, that is, except for the length of the pins 21 for soldering with the printed circuit board 30, other parts of the pins 21 extending out of the power device shield 10 are all wrapped by the bosses 112, so that the pins 21 of the power device 20 can be prevented from contacting with the external environment, and a good dustproof and insulating effect is achieved.
Optionally, referring to fig. 3, as an embodiment of the power device protective cover provided by the present application, a plurality of first positioning groove groups 113 are formed on an inner wall of the first cover 11, the first positioning groove groups 113 correspond to the accommodating grooves 101 one to one for positioning the pins 21 of the power device 20, where the first positioning groove groups 113 include a plurality of first positioning grooves 1130 distributed at intervals, and the first positioning grooves 1130 correspond to the positioning holes 111 one to one and are communicated with each other. Specifically, in the same first positioning groove group 113, the number of the first positioning grooves 1130 is matched with the number of the pins 21 of the power device 20 accommodated in the accommodating groove 101, when the power device 20 is placed in the accommodating groove 101, the portions of the pins 21 connected with the body of the power device 20 are accommodated in the first positioning grooves 1130, and the portions of the pins 21 far away from the body of the power device 20 are inserted into the positioning holes 111, so that the pins 21 of the power device 20 can be ensured to extend to the expected mounting positions by matching the first positioning grooves 1130 with the positioning holes 111, and the mounting accuracy and the mounting efficiency of the power device 20 are effectively improved.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protective cover provided by the present application, a plurality of second positioning groove groups 122 are formed on an inner wall of the second cover 12, the second positioning groove groups 122 correspond to the first positioning groove groups 113 in a one-to-one manner, and are used for positioning the pins 21 of the power device 20, where the second positioning groove groups 122 include a plurality of second positioning grooves 1220 distributed at intervals, and the second positioning grooves 1220 and the first positioning grooves 1130 are combined to form a positioning cavity. Specifically, the positions of the second positioning groove group 122 correspond to the positions of the first positioning groove group 113, and the number and positions of the second positioning grooves 1220 correspond to the number and positions of the first positioning grooves 1130. When the second positioning groove 1220 and the first positioning groove 1130 are spliced with each other, the positioning cavity formed by the second positioning groove 1220 and the first positioning groove 1130 can wrap the part of the pin 21 connected with the power device 20 body, so that the two adjacent pins 21 are separated, the electrical gap between the pins 21 of the power device 20 is ensured, and the safety and the reliability of the power device 20 in the using process are improved.
Alternatively, referring to fig. 2 and 3, as an embodiment of the power device protection cover provided by the present application, the power device protection cover 10 further includes a plurality of oppositely disposed fastening structures, each fastening structure includes a mounting protrusion 131 and a mounting lug 132, wherein the mounting protrusion 131 is disposed on one side edge of one of the first cover 11 and the second cover 12, the mounting lug 132 is disposed on one side edge of the other of the first cover 11 and the second cover 12, and the mounting lug 132 is fastened to the mounting protrusion 131. Specifically, the number of the snap structures is two or more, if the number of the snap structures is an even number, the number of the snap structures distributed on the opposite two sides of the power device protection cover 10 is the same, if the number of the snap structures is an odd number, the number of the snap structures distributed on the opposite two sides of the power device protection cover 10 is one more snap structure on one side than on the other side, if the mounting protrusion 131 is provided on one side edge of the first cover 11, the mounting lug 132 is provided on one side edge of the second cover 12 corresponding thereto, and if the mounting lug 132 is provided on one side edge of the first cover 11, the mounting protrusion 131 is provided on one side edge of the second cover 12 corresponding thereto; the mounting protrusion 131 is a wedge-shaped protrusion, and a mounting hole matched with the mounting protrusion 131 is formed on the mounting lug 132. When the second cover 12 is closed to the first cover 11, the mounting protrusions 131 extend into the mounting holes of the mounting lugs 132 to form a snap fit with the mounting lugs 132, so as to fasten the second cover 12 and the first cover 11 together. The buckle structure is simple in structure and beneficial to improving the dismounting efficiency of the power device protective cover 10.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protection cover provided by the present application, an installation groove 114 is formed on a peripheral edge of one of the first cover 11 and the second cover 12, and an installation flange 123 is formed on a peripheral edge of the other of the first cover 11 and the second cover 12, where the installation flange 123 is adapted to the installation groove 114. Specifically, if the mounting groove 114 is opened on the peripheral edge of the first cover 11, the mounting flange 123 is provided on the peripheral edge of the second cover 12, and if the mounting flange 123 is provided on the peripheral edge of the first cover 11, the mounting groove 114 is provided on the peripheral edge of the second cover 12; the mounting groove 114 extends circumferentially along the edge of the first cover 11 or the second cover 12, and the mounting flange 123 extends circumferentially along the edge of the second cover 12 or the first cover 11. When the second cover 12 covers the first cover 11, the mounting flange 123 extends into the mounting groove 114 to wrap the inner wall of the first cover 11 or the inner wall of the second cover 12, so that the first cover 11 and the second cover 12 are mutually limited, the first cover 11 and the second cover 12 are more firmly and reliably covered, and the dustproof effect of the power device protective cover 10 can be further improved.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protection cover provided by the present application, the power device protection cover 10 further includes a plurality of positioning structures disposed oppositely, each positioning structure includes a positioning protrusion 141 and a third positioning groove 142, wherein the positioning protrusion 141 is disposed on a side edge of one of the first cover 11 and the second cover 12 adjacent to the fastening structure, the third positioning groove 142 is disposed on a side edge of the other of the first cover 11 and the second cover 12 adjacent to the fastening structure, and the positioning protrusion 141 is inserted into the third positioning groove 142. Specifically, the positions of the positioning structures are adjacent to the positions of the fastening structures, the number of the positioning structures is two or more, if the number of the positioning structures is even, the number of the positioning structures distributed on two opposite sides of the power device protective cover 10 is the same, if the number of the positioning structures is odd, the number of the positioning structures distributed on two opposite sides of the power device protective cover 10 is one more positioning structure on one side than on the other side, if the positioning protrusion 141 is arranged on one side edge of the first cover 11, the third positioning groove 142 is arranged on one side edge of the second cover 12 corresponding to the positioning protrusion, and if the third positioning groove 142 is arranged on one side edge of the first cover 11, the positioning protrusion 141 is arranged on one side edge of the second cover 12 corresponding to the positioning protrusion; the positioning protrusion 141 may have a rectangular plate shape or a cylindrical shape, and the third positioning groove 142 may have a rectangular groove or a cylindrical groove. In the process of covering the second cover body 12 and the first cover body 11, the positioning protrusion 141 firstly extends into the third positioning groove 142, and along with the gradual penetration of the positioning protrusion 141 into the third positioning groove 142, the mounting lug 132 is clamped with the mounting protrusion 131 to complete the covering of the first cover body 11 and the second cover body 12, so that the mounting accuracy and stability of the first cover body 11 and the second cover body 12 are effectively improved, and the assembling efficiency of the power device protective cover 10 is improved.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protection cover provided by the present application, a first mounting hole 1020 is formed on the partition wall 102, an avoidance window 115 is formed on the first cover 11, the avoidance window 115 is used for exposing the power device 20, meanwhile, the power device protection cover 10 further includes a pressing piece 15, the pressing piece 15 is used for penetrating through the avoidance window 115 and pressing against the power device 20, a second mounting hole 150 is formed on the pressing piece 15, and the second mounting hole 150 is used for penetrating through a screw 40 screwed with the first mounting hole 1020. Specifically, the first mounting holes 1020 penetrate through the partition wall 102, the avoidance window 115 is communicated with the plurality of accommodating grooves 111, the plurality of power devices 20 accommodated in the plurality of accommodating grooves 111 can be exposed through the avoidance window 115, the pressing sheet 15 is of a bent structure, the pressing sheet 15 can be embedded into the avoidance window 115, the portion, corresponding to the accommodating groove 111, of the pressing sheet 15 arches towards one side close to the avoidance window 115, the portion, corresponding to the partition wall 102, of the pressing sheet 15 arches towards one side away from the avoidance window 115, the second mounting holes 150 penetrate through the portion, corresponding to the partition wall 102, of the pressing sheet 15, so that under the action of external force applied by the screws 40, the pressing sheet 15 can simultaneously push the plurality of power devices 20, and the second mounting holes 150 correspond to the first mounting holes 1020 one to one. After the power device 20 is connected to the printed circuit board 30, in order to make the heat dissipation area 22 of the power device 20 fully contact with the heat sink, the pressing plate 15 may be pushed by screwing the screw 40 inserted into the second mounting hole 150 into the first mounting hole 1020, and the pressing plate 15 pushes the power device 20, so that the heat dissipation area 22 of the power device 20 abuts against the heat sink.
Optionally, referring to fig. 2 and fig. 3, as an embodiment of the power device protection cover provided by the present application, the power device protection cover 10 further includes a dust-proof sleeve 16, where the dust-proof sleeve 16 is sleeved on an inner side of the pressing sheet 15 and covers the avoiding window 115. Specifically, the dust-proof sleeve 16 may be made of a silica gel material, and the outline shape of the dust-proof sleeve 16 is adapted to the outline shape of the avoiding window 115, a sleeve 160 for a screw to penetrate through is disposed at a position of the dust-proof sleeve 16 corresponding to the first mounting hole 1020, and the sleeve 160 may be accommodated in the first mounting hole 1020, so that the dust-proof sleeve 16 may complete the sealing of the avoiding window 115 under the extrusion of the pressing sheet 15, and further improve the dust-proof effect of the power device protective cover 10.
The above are merely alternative embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims (10)
1. Power device protection casing, its characterized in that: the method comprises the following steps:
the power device comprises a first cover body, a second cover body and a power component, wherein the first cover body is provided with a plurality of positioning holes for pins of the power device to pass through; and
the second cover body is detachably connected with the first cover body and covers the first cover body to form a plurality of accommodating grooves for accommodating the power devices and at least one partition wall for isolating the accommodating grooves, one partition wall is arranged between every two adjacent accommodating grooves, and the positioning holes are communicated with the accommodating grooves.
2. The power device shield of claim 1 wherein: the second cover body is provided with a plurality of heat dissipation windows which are used for exposing the heat dissipation areas of the power devices and are in contact with the heat radiators, and the heat dissipation windows are in one-to-one correspondence with the accommodating grooves and are communicated with the accommodating grooves.
3. The power device protective cover according to claim 1 or 2, wherein: the outer wall of the first cover body is provided with a plurality of bosses used for being abutted against the printed circuit board, the bosses are in one-to-one correspondence with the accommodating grooves, and the positioning holes penetrate through the bosses.
4. The power device shield of claim 3 wherein: the inner wall of the first cover body is provided with a plurality of first positioning groove groups for positioning pins of the power device, the first positioning groove groups correspond to the accommodating grooves in a one-to-one mode, each first positioning groove group comprises a plurality of first positioning grooves distributed at intervals, and the first positioning grooves correspond to and are communicated with the positioning holes in a one-to-one mode.
5. The power device shield of claim 4 wherein: the inner wall of the second cover body is provided with a plurality of second positioning groove groups for positioning pins of the power device, the second positioning groove groups correspond to the first positioning groove groups in a one-to-one mode, each second positioning groove group comprises a plurality of second positioning grooves distributed at intervals, and the second positioning grooves and the first positioning grooves are spliced to form a positioning cavity.
6. The power device protective cover according to claim 1 or 2, wherein: still include a plurality of buckle structures of relative setting, buckle structure includes:
a mounting projection provided on one side edge of one of the first cover and the second cover; and
and the mounting lug is arranged on one side edge of the other one of the first cover body and the second cover body, and the mounting lug is clamped with the mounting protrusion.
7. The power device shield of claim 6 wherein: the peripheral edge of one of the first cover body and the second cover body is provided with an installation groove, and the peripheral edge of the other of the first cover body and the second cover body is provided with an installation flange matched with the installation groove.
8. The power device shield of claim 6 wherein: still include a plurality of location structures of relative setting, location structure includes:
the positioning bulge is arranged on one side edge of one of the first cover body and the second cover body, which is adjacent to the buckle structure; and
and the third positioning groove is formed in one side edge of the other one of the first cover body and the second cover body, which is adjacent to the buckle structure, and the positioning bulge is inserted into the third positioning groove.
9. The power device protective cover according to claim 1 or 2, wherein: the power device protective cover comprises a power device protective cover and is characterized in that a first mounting hole is formed in the partition wall, an avoiding window used for exposing the power device is formed in the first cover body, the power device protective cover further comprises a pressing sheet used for penetrating through the avoiding window and pressing against the power device, and a second mounting hole used for a screw in threaded connection with the first mounting hole to penetrate through is formed in the pressing sheet.
10. The power device shield of claim 9 wherein: further comprising:
and the dustproof sleeve is sleeved on the inner side of the pressing sheet and covers the avoiding window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833049.6U CN212136415U (en) | 2020-05-18 | 2020-05-18 | Power device protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833049.6U CN212136415U (en) | 2020-05-18 | 2020-05-18 | Power device protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136415U true CN212136415U (en) | 2020-12-11 |
Family
ID=73669375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020833049.6U Active CN212136415U (en) | 2020-05-18 | 2020-05-18 | Power device protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136415U (en) |
-
2020
- 2020-05-18 CN CN202020833049.6U patent/CN212136415U/en active Active
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