Direct current screen easy to dissipate heat
By using intake and exhaust fans to force airflow in the DC power supply, and combining them with dust filters and non-woven fabric to filter dust, the problems of poor heat dissipation and dust ingress are solved, achieving efficient heat dissipation and dust prevention, and extending the equipment's lifespan.
Patent Information
- Application Number
- CN202520537310.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-26
AI Technical Summary
Existing DC power supply panels have poor heat dissipation performance, especially in high-power or high-temperature environments where they are unable to meet heat dissipation requirements. Furthermore, the heat dissipation holes can easily allow dust to enter the equipment, affecting its performance and lifespan.
The system employs intake and exhaust fans to force airflow, combined with dust filters and non-woven fabric to filter dust, improving heat dissipation efficiency and preventing dust from entering. The design also includes an air guide plate to optimize the airflow path.
It significantly improves heat dissipation speed, prevents dust accumulation, extends equipment life, and solves the problems of poor heat dissipation and dust ingress.
Smart Images

Figure CN223957096U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a direct current screen technical field, concretely relates to an easy heat dissipation type direct current screen. BACKGROUND
[0002] The direct current screen is a kind of direct current power supply equipment for power system, mainly provides stable direct current power supply for relay protection, automatic device, communication equipment, instrument etc., it is converted into direct current by alternating current, and carries out rectification, filtering, charging and discharging etc., ensure that power system in normal and emergency, electronic components such as rectification module, charging module in direct current screen when working will produce heat.If heat cannot be promptly dissipated, will make component temperature rise, lead to its performance decline, therefore need to carry out heat dissipation.
[0003] The direct current screen in the prior art is used, is set up heat dissipation hole or heat dissipation fence on direct current screen cabinet body, utilizes the natural convection of air to dissipate heat, but the heat dissipation effect is relatively poor, especially when the power of direct current screen is relatively large or the ambient temperature is relatively high, it is difficult to meet the heat dissipation demand, and the heat dissipation hole that is always opened is easy to make dust enter equipment, causes component dust accumulation, affects the performance and life of equipment. UTILITARY MODEL CONTENT
[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] An easy heat dissipation type direct current screen, comprising:
[0006] The direct current screen cabinet body is rotationally connected with a cabinet door at the front side, four placing plates are connected inside the direct current screen cabinet body from top to bottom, four air outlets and four air inlets are correspondingly provided at the left and right sides of the direct current screen cabinet body from top to bottom, the placing plates are arranged below the air outlets and air inlets, a left air cover is connected to the left side of the direct current screen cabinet body near the air outlet, and a right air cover is connected to the right side of the direct current screen cabinet body near the air inlet.
[0007] The inside of the left air cover and the right air cover is respectively connected with an air outlet fan and an air inlet fan, the outside of the air outlet fan and the air inlet fan is provided with a buffer mechanism, and the inside of the left air cover and the right air cover is provided with a dustproof mechanism in front of the air outlet fan and the air inlet fan.
[0008] The left air cover is correspondingly provided with a first through hole at the upper and lower sides, and the dustproof mechanism penetrates the inside of the first through hole.
[0009] In one possible implementation, the right side wall of the direct current screen cabinet body is connected with a pair of air deflectors near the air inlet.
[0010] In a possible implementation, the pair of air deflectors are distributed in a splayed symmetry.
[0011] In a possible implementation, the buffering mechanism comprises a second frame, the outer side of the second frame is fixedly connected with the inner wall of the left air cover, the inner wall of the second frame is connected with four second springs on the upper and lower sides, the inner wall of the second frame is connected with a pair of first springs on the left and right sides, and the ends of the second springs and the ends of the first springs are fixedly connected with the exhaust fan.
[0012] In a possible implementation, the dustproof mechanism comprises a first frame, the outer side of the first frame is fixedly connected with the inner wall of the left air cover, and the inside of the first frame is connected with a dust screen and a non-woven fabric from outside to inside.
[0013] In a possible implementation, the left and right sides of the first frame are provided with clamping grooves, the left and right sides of the left air cover are provided with second through holes near the clamping grooves, the inside of the second through holes is connected with an L-shaped buckle plate, the bottom of the L-shaped buckle plate extends to the inside of the clamping groove, and the top of the L-shaped buckle plate is fixedly connected with the outer wall of the left air cover.
[0014] In a possible implementation, the bottom of the L-shaped buckle plate is provided with a round corner.
[0015] In the above technical solution, the technical effects and advantages of the utility model are as follows:
[0016] 1. By opening the air inlet fan and the exhaust fan on both sides, the air flow is forcibly driven by the fan, the air inlet fan quickly introduces a large amount of cold air into the DC screen, and the exhaust fan quickly exhausts hot air, greatly accelerating the air circulation speed, so that the heat can be carried away more quickly, the heat dissipation speed of the equipment is significantly improved, and the problem that the heat is dissipated by natural convection of air, the heat dissipation effect is relatively poor, and it is difficult to meet the heat dissipation demand is solved.
[0017] 2. By setting the dust screen and the non-woven fabric in front of the air inlet fan and the exhaust fan on both sides, the dust screen can effectively intercept larger dust particles, debris and other impurities in the air, preventing them from entering the DC screen, and the non-woven fabric can further filter the tiny dust in the air, playing a more fine dustproof role, which helps to avoid dust accumulation in the equipment, reduces the problems of poor heat dissipation, short circuit and the like caused by dust coverage, and prolongs the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0019] Figure 1 This is one of the overall structural schematic diagrams of this utility model;
[0020] Figure 2 This is the second schematic diagram of the overall structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the DC power supply cabinet of this utility model;
[0022] Figure 4 This is a schematic diagram of the overall structure of the left windshield and the first frame of this utility model;
[0023] Figure 5 This utility model Figure 4 Exploded view;
[0024] Figure 6 This utility model Figure 5 Enlarged view of point A in the middle.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. DC power supply cabinet; 2. Cabinet door; 3. Placement board; 4. Inlet fan; 5. Left hood; 6. Dustproof net; 7. Right hood; 8. Exhaust fan; 9. Exhaust vent; 10. Inlet; 11. Air guide plate; 12. First frame; 13. L-shaped buckle plate; 14. Card slot; 15. Non-woven fabric; 16. Second frame; 17. First spring; 18. Second spring; 19. First through hole; 20. Rounded corner; 21. Second through hole. Detailed Implementation
[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0028] This application provides a heat-dissipating DC power supply, which solves the problems in the prior art.
[0029] The technical solution in this application is to solve the above problems, and the overall approach is as follows:
[0030] like Figures 1-6 As shown, a heat-dissipating DC power supply includes:
[0031] The direct current screen cabinet body 1, the front side of the direct current screen cabinet body 1 is rotatably connected with a cabinet door 2, the inside of the direct current screen cabinet body 1 is connected with four placing plates 3 from top to bottom respectively, the left and right sides of the direct current screen cabinet body 1 are correspondingly provided with four air outlets 9 and four air inlets 10 from top to bottom, the placing plates 3 are arranged below the air outlets 9 and the air inlets 10, the left side of the direct current screen cabinet body 1 is connected with a left air cover 5 at the position close to the air outlet 9, the right side of the direct current screen cabinet body 1 is connected with a right air cover 7 at the position close to the air inlet 10;
[0032] The inside of the left air cover 5 and the right air cover 7 is respectively connected with an air outlet fan 8 and an air inlet fan 4, the outside of the air outlet fan 8 and the air inlet fan 4 is provided with a buffer mechanism, and the inside of the left air cover 5 and the right air cover 7 at the front side of the air outlet fan 8 and the air inlet fan 4 is provided with a dustproof mechanism;
[0033] The upper and lower sides of the left air cover 5 are correspondingly provided with first through holes 19, and the inside of the dustproof mechanism penetrates the first through holes 19.
[0034] In some examples, the right side wall of the direct current screen cabinet body 1 is connected with a pair of air deflectors 11 at the two sides close to the air inlet 10, which is helpful to ensure that the cold air can effectively act on the heating components.
[0035] In some examples, the pair of air deflectors 11 are distributed in an eight-character shape.
[0036] In some examples, the buffer mechanism includes a second frame 16, the outside of the second frame 16 is fixedly connected with the inner wall of the left air cover 5, the inner wall of the second frame 16 is connected with four second springs 18 on the upper and lower sides, the inner wall of the second frame 16 is connected with a pair of first springs 17 on the left and right sides, the tail ends of the second springs 18 and the first springs 17 are fixedly connected with the air outlet fan 8, by setting the first springs 17 and the second springs 18, it is helpful to reduce the noise generated by the fan vibration transmitted to the cabinet.
[0037] In some examples, the dustproof mechanism includes a first frame 12, the outside of the first frame 12 is fixedly connected with the inner wall of the left air cover 5, the inside of the first frame 12 is connected with a dust screen 6 and a non-woven fabric 15 from outside to inside, the dust screen 6 can effectively intercept larger dust particles, debris and other impurities in the air, preventing them from entering the inside of the direct current screen, the non-woven fabric 15 can further filter the tiny dust in the air, playing a more delicate dustproof role, which helps to avoid the accumulation of dust in the equipment.
[0038] In some examples, the first frame 12 is provided with a clamping groove 14 on both sides, the left fan cover 5 is provided with a second through hole 21 near the clamping groove 14, and the second through hole 21 is connected with an L-shaped buckle plate 13, the bottom of the L-shaped buckle plate 13 extends to the inside of the clamping groove 14, and the top of the L-shaped buckle plate 13 is fixedly connected with the outer wall of the left fan cover 5.
[0039] In some examples, the bottom of the L-shaped buckle plate 13 is provided with a round corner 20, so that when people press the first frame 12 downward, the L-shaped buckle plate 13 can slide out of the inside of the clamping groove 14, facilitating disassembly and assembly.
[0040] The utility model discloses a through opening both sides' air inlet fan 4 and exhaust fan 8, through fan forced drive air flow, air inlet fan 4 will introduce the cold air of a large quantity quickly into the inside of direct current screen, and exhaust fan 8 then rapidly will hot air draw out, greatly accelerate the air circulation speed, thereby can more quickly take away heat, make the heat dissipation speed of equipment significantly improve, through setting up dust screen 6 and non -woven fabric 15 in the front side of both sides air inlet fan 4 and exhaust fan 8, dust screen 6 can effectively intercept larger dust particle, chippings and other impurities in air, prevent them from entering the inside of direct current screen, and non -woven fabric 15 can further filter the tiny dust in air, play more delicate dustproof function, this helps to avoid dust to accumulate in the equipment inside, reduces the heat dissipation bad, short circuit and other problems caused by dust covering, prolongs the service life of equipment.
[0041] The above only describes some exemplary embodiments of the utility model through the description mode, and it is needless to say that for ordinary skilled person in the art, the described embodiments can be modified in various different modes without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. A direct current panel of easy heat dissipation type, characterized in that, Include: DC screen cabinet (1), the front side of the DC screen cabinet (1) is rotatably connected with a cabinet door (2), the inside of the DC screen cabinet (1) is connected with four placing plates (3) from top to bottom respectively, the left and right sides of the DC screen cabinet (1) are correspondingly provided with four air outlets (9) and four air inlets (10) from top to bottom, the placing plates (3) are arranged below the air outlets (9) and the air inlets (10), the left side of the DC screen cabinet (1) is connected with a left air cover (5) at the position close to the air outlet (9), the right side of the DC screen cabinet (1) is connected with a right air cover (7) at the position close to the air inlet (10); The inside of the left air cover (5) and the right air cover (7) is respectively connected with an exhaust fan (8) and an air inlet fan (4), the outside of the exhaust fan (8) and the air inlet fan (4) is provided with a buffer mechanism, and the inside of the left air cover (5) and the right air cover (7) is provided with a dustproof mechanism at the front side of the exhaust fan (8) and the air inlet fan (4); The left and right sides of the left air cover (5) are correspondingly provided with first through holes (19).
2. The direct current panel of claim 1, wherein: The right side wall of the DC screen cabinet (1) is connected with a pair of air deflectors (11) at the two sides close to the air inlet (10).
3. The direct current panel of claim 2, wherein: The pair of air deflectors (11) are distributed in an eight-character shape.
4. The direct current panel of claim 1, wherein: The buffer mechanism comprises a second frame (16), the outside of the second frame (16) is fixedly connected with the inner wall of the left air cover (5), the inner wall of the second frame (16) is connected with four second springs (18) on the left and right sides, the inner wall of the second frame (16) is connected with a pair of first springs (17) on the left and right sides, and the tail ends of the second springs (18) and the first springs (17) are fixedly connected with the exhaust fan (8).
5. The direct current panel of claim 1, wherein: The dustproof mechanism comprises a first frame (12), the outside of the first frame (12) is fixedly connected with the inner wall of the left air cover (5), and the inside of the first frame (12) is connected with a dust screen (6) and a non-woven fabric (15) from outside to inside.
6. The direct current panel of claim 5, wherein: The left and right sides of the first frame (12) are provided with clamping grooves (14), the left and right sides of the left air cover (5) are provided with second through holes (21) at positions close to the clamping grooves (14), the inside of the second through hole (21) is connected with an L-shaped buckle plate (13), the bottom of the L-shaped buckle plate (13) extends to the inside of the clamping groove (14), and the top of the L-shaped buckle plate (13) is fixedly connected with the outer wall of the left air cover (5).
7. The direct current panel of claim 6, wherein: The bottom of the L-shaped buckle plate (13) is provided with a round corner (20).