CN214958144U - Power module protection structure of direct current screen - Google Patents
Power module protection structure of direct current screen Download PDFInfo
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- CN214958144U CN214958144U CN202121597548.0U CN202121597548U CN214958144U CN 214958144 U CN214958144 U CN 214958144U CN 202121597548 U CN202121597548 U CN 202121597548U CN 214958144 U CN214958144 U CN 214958144U
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- power module
- movable support
- support plate
- box
- direct current
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Abstract
The utility model relates to an electrical equipment field specifically is a power module protective structure of direct current screen, including the protective housing, the inside of protective housing slides and is provided with movable extension board, install the circuit board on the movable extension board, the fixed surface of circuit board has power module, it is provided with the apron to rotate on the protective housing, wherein, the protective housing with be provided with the confession between the movable extension board the gliding direction subassembly of movable extension board, the inside of protective housing is provided with and acts on the drive assembly of movable extension board. The utility model discloses a control drive assembly can make the activity extension board to the outside or the inboard removal of protective housing, consequently when needs maintain power module, only need open the apron to control drive assembly makes activity extension board drive circuit board and power module shift out to the outside of protective housing, because power module exposes outside this moment, thereby the staff of being convenient for maintains power module.
Description
Technical Field
The utility model relates to an electrical equipment field specifically is a power module protective structure of direct current screen.
Background
The direct current screen is generally applied to places such as power stations, transformer substations and the like, and a plurality of groups of power modules are generally arranged in the direct current screen.
Generally, the power module and the circuit board are welded in the protective box to avoid damage, and the power module and the circuit board welded in the protective box are difficult to detach, so that the space inside the protective box is limited, and the power module is difficult to maintain when in failure.
SUMMERY OF THE UTILITY MODEL
Based on the weak point among the prior art that mentions among the above-mentioned background art, for this reason the utility model provides a power module protective structure of direct current screen.
The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:
a power module protection structure of a direct current screen comprises a protection box, wherein a movable support plate is arranged inside the protection box in a sliding mode, a circuit board is mounted on the movable support plate, a power module is fixed on the surface of the circuit board, and a cover plate is arranged on the protection box in a rotating mode;
the protective box comprises a protective box body, a movable support plate and a cover plate, wherein a guide assembly for the movable support plate to slide is arranged between the protective box body and the movable support plate, a driving assembly acting on the movable support plate is arranged in the protective box body, and a buckle assembly for fixing the cover plate is arranged between the cover plate and the protective box body.
As a further aspect of the present invention: the guide assembly comprises a sliding groove arranged on the side wall of the protective box and a sliding block which is arranged in the sliding groove in a sliding mode and fixedly connected with the movable support plate.
As a further aspect of the present invention: the driving assembly comprises a bidirectional screw rod rotatably arranged in the protective box, a knob fixed at one end of the bidirectional screw rod and two groups of screw sleeves in threaded connection with two sides of the bidirectional screw rod, and connecting rods are arranged between the two groups of screw sleeves and the bottom end of the movable support plate;
one end of the connecting rod is rotatably connected with the bottom end of the movable support plate, and the other end of the connecting rod is rotatably connected with the threaded sleeve.
As a further aspect of the present invention: the buckle assembly comprises a sleeve box fixed on the protective box, a plug pin rod arranged in the sleeve box in a sliding mode, and a jack arranged on the cover plate and used for inserting one end of the plug pin rod;
and an elastic reset component acting on the latch rod is arranged between the latch rod and the sleeve box.
As a further aspect of the present invention: the elastic reset assembly comprises a baffle fixed on the surface of the bolt rod and a spring sleeved on the surface of the bolt rod;
the separation blade with the spring all set up in the inside of pouring jacket, the one end of spring with the separation blade is inconsistent, the other end of spring with the inner wall of pouring jacket is inconsistent.
As a further aspect of the present invention: the cover plate is provided with heat dissipation holes, and the bottom end inside the protective box is provided with sponge.
After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: the movable support plate can move towards the outer side or the inner side of the protective box by controlling the driving assembly, so that when the power module needs to be maintained, the cover plate only needs to be opened, the driving assembly is controlled to enable the movable support plate to drive the circuit board and the power module to move out of the protective box, and at the moment, the power module is exposed outside, so that a worker can maintain the power module conveniently.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle bidirectional screw rod and the screw sleeve of the present invention.
Fig. 3 is a schematic structural view of the middle screw sleeve and the connecting rod of the present invention.
Fig. 4 is a schematic structural view of the middle elastic reset assembly of the present invention.
In the figure: 1. a protective box; 2. a movable support plate; 3. a circuit board; 4. a power supply module; 5. a cover plate; 6. a chute; 7. a slider; 8. a bidirectional screw rod; 9. a threaded sleeve; 10. a connecting rod; 11. sleeving a box; 12. a latch rod; 13. a jack; 14. a baffle plate; 15. a spring; 16. heat dissipation holes; 17. a sponge; 18. a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a power module protection structure of a dc screen includes a protection box 1, a movable support plate 2 is slidably disposed inside the protection box 1, a circuit board 3 is mounted on the movable support plate 2, a power module 4 is fixed on a surface of the circuit board 3, and a cover plate 5 is rotatably disposed on the protection box 1;
a guide assembly for enabling the movable support plate 2 to slide is arranged between the protective box 1 and the movable support plate 2, a driving assembly acting on the movable support plate 2 is arranged in the protective box 1, and a buckle assembly for fixing the cover plate 5 is arranged between the cover plate 5 and the protective box 1;
the cover plate 5 can be covered on the protective box 1 by downwards rotating the cover plate 5, the cover plate 5 can be fixed by the buckle component, at the moment, the cover plate 5 cannot rotate, the protective box 1 and the cover plate 5 form a closed environment to play a role of protecting the circuit board 3 and the power module 4 inside, the movable support plate 2 can be driven to move towards the outer side or the inner side of the protective box 1 by controlling the driving component, at the moment, the movable support plate 2 can stably slide along the direction of the guide component, when the power module 4 needs to be maintained, the fixed relation between the cover plate 5 and the protective box 1 can be removed by controlling the buckle component, at the moment, the top end of the protective box 1 is opened by rotating the cover plate 5, the movable support plate 2 can move towards the outer side of the protective box 1 by controlling the driving component, the circuit board 3 and the power module 4 leak out of the outer side of the protective box 1 under the driving of the movable support plate 2, and then can be convenient for the staff to maintain power module 4, control drive assembly after finishing maintaining with the same principle and make activity extension board 2 to the inboard removal of protective housing 1, circuit board 3 and power module 4 can move under the drive of activity extension board 2 and accomodate to the protective housing 1 inside.
In an embodiment of the present invention, the guiding assembly includes a chute 6 opened on the side wall of the protective box 1, and a slider 7 slidably disposed inside the chute 6 and fixedly connected to the movable supporting plate 2;
when the movable support plate 2 is driven, the sliding block 7 slides in the sliding groove 6 under the driving action of the movable support plate 2, and at the moment, the movable support plate 2 stably slides along the direction of the sliding groove 6 under the limiting action of the sliding groove 6 and the sliding block 7 without deviation.
In another embodiment of the present invention, the driving assembly includes a bidirectional screw 8 rotatably disposed inside the protective box 1, a knob 18 fixed to one end of the bidirectional screw 8, and two sets of threaded sleeves 9 threadedly connected to two sides of the bidirectional screw 8, and a connecting rod 10 is disposed between each set of threaded sleeves 9 and the bottom end of the movable support plate 2;
one end of the connecting rod 10 is rotatably connected with the bottom end of the movable support plate 2, and the other end of the connecting rod 10 is rotatably connected with the threaded sleeve 9;
holding knob 18 and rotatory can drive two-way lead screw 8 and rotate, the screw thread direction of two-way lead screw 8 surface both sides is opposite, two-way lead screw 8 is rotatory can receive the drive effect on two-way lead screw 8 surface simultaneously two sets of swivel nuts 9, make two sets of swivel nuts 9 move to the direction of being close to each other or keeping away from each other along two-way lead screw 8, when two sets of swivel nuts 9 drive the tip of connecting rod 10 and are close to each other, the other end of connecting rod 10 can upwards push away circuit board 3, thereby make circuit board 3 receive the drive effect of moving to the guard box 1 outside direction, when two sets of swivel nuts 9 drive the tip of connecting rod 10 and keep away from each other, the other end of connecting rod 10 can stimulate circuit board 3 downwards, thereby make circuit board 3 receive the drive effect of moving to the inboard direction of guard box 1.
In another embodiment of the present invention, the buckle assembly includes a case 11 fixed on the protection case 1, a latch rod 12 slidably disposed inside the case 11, and a jack 13 disposed on the cover plate 5 for inserting one end of the latch rod 12;
an elastic reset component acting on the latch rod 12 is arranged between the latch rod 12 and the sleeve box 11;
can pull in the inside of jacket 11 completely with the end of bolt pole 12 through pulling behind bolt pole 12, cover 5 covers apron on protective housing 1 through rotating down, jack 13 on the apron 5 is just to the position of bolt pole 12 end this moment, loosen behind bolt pole 12, bolt pole 12 can stretch out the outside of jacket 11 again under the effect of elasticity reset assembly, the inside of jack 13 can be inserted to the end of bolt pole 12 this moment, apron 5 is fixed unable rotation by fixing under the limiting action of bolt pole 12 and jack 13, pull behind 12 draw-in jacket 11 ends again with bolt pole 12 end in the same principle, apron 5 can lose limiting action and can upwards rotate.
In another embodiment of the present invention, the elastic restoring component includes a blocking piece 14 fixed on the surface of the latch rod 12, and a spring 15 sleeved on the surface of the latch rod 12;
the baffle 14 and the spring 15 are both arranged inside the jacket 11, one end of the spring 15 is abutted against the baffle 14, and the other end of the spring 15 is abutted against the inner wall of the jacket 11;
when the jack 13 is pulled into the interior of the sleeve 11, the jack 13 can drive the blocking piece 14 to move, the spring 15 is compressed under the stress and generates reverse elastic action on the blocking piece 14, and when the jack 13 is loosened, the blocking piece 14 can drive the jack 13 to move towards the outer side of the sleeve 11 under the elastic action of the spring 15.
In another embodiment of the present invention, the cover plate 5 is provided with heat dissipation holes 16, and the bottom end inside the protective box 1 is provided with a sponge 17;
the louvre 16 helps the power module 4 inside the protective box 1 to dissipate heat, and the sponge 17 has good water absorption performance, can absorb the moist steam inside the protective box 1, and prevents the circuit board 3 or the power module 4 from being damaged by moisture.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.
Claims (6)
1. A power module protection structure of a direct current screen comprises a protection box (1), and is characterized in that a movable support plate (2) is arranged inside the protection box (1) in a sliding mode, a circuit board (3) is installed on the movable support plate (2), a power module (4) is fixed on the surface of the circuit board (3), and a cover plate (5) is arranged on the protection box (1) in a rotating mode;
the protective box comprises a protective box body (1), a movable support plate (2) and a cover plate (5), wherein a guide assembly for the movable support plate (2) to slide is arranged between the protective box body (1) and the movable support plate (2), a driving assembly acting on the movable support plate (2) is arranged inside the protective box body (1), and a buckle assembly for fixing the cover plate (5) is arranged between the cover plate (5) and the protective box body (1).
2. The power module protection structure of a direct current screen according to claim 1, wherein the guide assembly comprises a chute (6) arranged on a side wall of the protection box (1), and a slide block (7) slidably arranged inside the chute (6) and fixedly connected with the movable support plate (2).
3. The power module protection structure of the direct current screen according to claim 1, wherein the driving assembly comprises a bidirectional screw rod (8) rotatably arranged inside the protection box (1), a knob (18) fixed at one end of the bidirectional screw rod (8), and two sets of screw sleeves (9) in threaded connection with two sides of the bidirectional screw rod (8), and a connecting rod (10) is arranged between the two sets of screw sleeves (9) and the bottom end of the movable support plate (2);
one end of the connecting rod (10) is rotatably connected with the bottom end of the movable support plate (2), and the other end of the connecting rod (10) is rotatably connected with the threaded sleeve (9).
4. The power supply module protection structure of the direct current screen according to claim 1, wherein the buckle assembly comprises a sleeve box (11) fixed on the protection box (1), a latch rod (12) arranged inside the sleeve box (11) in a sliding manner, and a jack (13) arranged on the cover plate (5) for inserting one end of the latch rod (12);
wherein an elastic reset component acting on the latch rod (12) is arranged between the latch rod (12) and the sleeve box (11).
5. The power module protection structure of the direct current screen of claim 4, wherein the elastic reset component comprises a blocking piece (14) fixed on the surface of the latch rod (12) and a spring (15) sleeved on the surface of the latch rod (12);
the blocking piece (14) and the spring (15) are arranged inside the sleeve box (11), one end of the spring (15) is abutted to the blocking piece (14), and the other end of the spring (15) is abutted to the inner wall of the sleeve box (11).
6. The power module protection structure of a DC screen according to claim 1, wherein the cover plate (5) is provided with heat dissipation holes (16), and the bottom end inside the protection box (1) is provided with a sponge (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597548.0U CN214958144U (en) | 2021-07-14 | 2021-07-14 | Power module protection structure of direct current screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597548.0U CN214958144U (en) | 2021-07-14 | 2021-07-14 | Power module protection structure of direct current screen |
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| Publication Number | Publication Date |
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| CN214958144U true CN214958144U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121597548.0U Active CN214958144U (en) | 2021-07-14 | 2021-07-14 | Power module protection structure of direct current screen |
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| CN (1) | CN214958144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340276A (en) * | 2022-01-25 | 2022-04-12 | 靖江天元爱尔瑞电子科技有限公司 | Thin film transistor liquid crystal display control system and circuit board thereof |
| CN116449281A (en) * | 2023-04-26 | 2023-07-18 | 湖北大二互科技股份有限公司 | Mutual inductor wiring inspection instrument |
-
2021
- 2021-07-14 CN CN202121597548.0U patent/CN214958144U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340276A (en) * | 2022-01-25 | 2022-04-12 | 靖江天元爱尔瑞电子科技有限公司 | Thin film transistor liquid crystal display control system and circuit board thereof |
| CN114340276B (en) * | 2022-01-25 | 2023-01-10 | 靖江天元爱尔瑞电子科技有限公司 | Thin film transistor liquid crystal display control system and circuit board thereof |
| CN116449281A (en) * | 2023-04-26 | 2023-07-18 | 湖北大二互科技股份有限公司 | Mutual inductor wiring inspection instrument |
| CN116449281B (en) * | 2023-04-26 | 2024-04-05 | 湖北大二互科技股份有限公司 | Mutual inductor wiring inspection instrument |
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