DC bus undervoltage compensation power supply
By employing a design combining a heat-absorbing layer, a heat-spreading plate, and heat sinks with a cooling fan in the DC bus undervoltage compensation power supply, the problem of heat accumulation in the battery is solved, achieving effective isolation protection and heat dissipation, and improving the stability and reliability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 浙江三辰电器股份有限公司
- Filing Date
- 2025-04-29
- Publication Date
- 2026-05-26
AI Technical Summary
Existing DC bus undervoltage compensation power supplies are inadequate in terms of battery isolation protection and heat dissipation, failing to effectively solve the problem of heat accumulation, leading to accelerated battery aging and increased safety hazards.
A DC bus undervoltage compensation power supply was designed, which adopts a structure of heat absorption layer and heat dissipation plate combined with heat sink and cooling fan in the protective box. The battery is protected by air circulation and buffer shock absorption mechanism to prevent heat accumulation and reduce damage to the battery during vibration.
It effectively avoids heat buildup in the battery, improves battery life and the stability and reliability of the compensation power supply, reduces the risk of damage caused by vibration, and ensures that the equipment operates normally at a suitable temperature.
Smart Images

Figure CN224288415U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of DC power supply technology, specifically a DC bus undervoltage compensation power supply. Background Technology
[0002] A DC power supply is a device that maintains a constant voltage and current in a circuit. Examples include dry cell batteries, storage batteries, and DC generators.
[0003] In communication, power, and microwave systems, battery banks serve as crucial energy storage devices, playing a vital role in ensuring uninterrupted power supply to communication and power equipment. However, long-term online operation of battery banks can lead to hidden faults such as individual batteries drying out and overheating, leakage, undercharging, over-discharging, and increased internal resistance. Furthermore, when multiple batteries are placed together, heat can easily accumulate, and excessively high temperatures can accelerate battery aging and damage, reducing their lifespan and performance, and potentially even causing safety accidents. Existing DC bus undervoltage compensation power supplies are insufficient in terms of battery isolation protection and heat dissipation, failing to effectively solve the heat accumulation problem.
[0004] Therefore, it is necessary to modify it, separate and protect the multiple internal batteries, and take effective heat dissipation measures to avoid the accumulation of heat in the batteries and the occurrence of high temperature, thereby improving the service life of the batteries and the stability and reliability of the entire compensation power supply. Utility Model Content
[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a DC bus undervoltage compensation power supply, which has the advantages of isolating and protecting multiple internal batteries and taking effective heat dissipation measures to avoid the accumulation of heat in the batteries and high temperature, thereby improving the service life of the batteries and the stability and reliability of the entire compensation power supply. This solves the problem that existing DC bus undervoltage compensation power supplies are insufficient in terms of isolating and protecting batteries and heat dissipation, and cannot effectively solve the problem of heat accumulation.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a DC bus undervoltage compensation power supply, comprising a housing, a control box on the right side of the housing, a top cover movably connected to the top of the housing by bolts, a plurality of evenly distributed batteries inside the housing, a protective box covering the surface of the batteries, a heat-absorbing layer fixedly connected to the inner wall of the protective box, the inner wall of the heat-absorbing layer being in contact with the surface of the batteries, a square groove on the front of the protective box, a heat-spreading plate fixedly connected inside the square groove, the back of the heat-spreading plate being in contact with the surface of the heat-absorbing layer, a plurality of evenly distributed heat sinks fixedly connected to the front of the heat-spreading plate, a side plate movably connected to the front of the housing by bolts, a plurality of evenly distributed mounting slots on the front of the side plate, and a cooling fan fixedly connected inside the mounting slot, the cooling fan being arranged correspondingly to the heat sink, and buffer and shock-absorbing mechanisms fixedly connected to the left and right sides of the protective box, with the outer sides of adjacent buffer mechanisms in contact with each other.
[0007] As a preferred embodiment of this utility model, the buffer and shock absorption mechanism includes a damping rod fixedly connected to the outside of the protective box, an elastic shock absorption bracket fixedly connected to the outer end of the damping rod, a shock absorption spring sleeved on the surface of the damping rod, the outer end of the shock absorption spring fixedly connected to the inner side of the elastic shock absorption bracket, and the inner end of the shock absorption spring fixedly connected to the surface of the protective box.
[0008] As a preferred embodiment of this utility model, the back of the box is provided with a number of evenly distributed air inlet slots, and a protective net is fixedly connected inside the air inlet slots.
[0009] As a preferred embodiment of the present invention, the surface of the heat sink is provided with a number of through holes extending vertically, and the number of through holes is evenly distributed.
[0010] As a preferred embodiment of this utility model, a rubber pad is fixedly connected to the bottom of the protective box, the bottom of the rubber pad is fixedly connected to the bottom of the inner wall of the box, and a buffer pad is fixedly connected to the bottom of the box.
[0011] As a preferred embodiment of this utility model, a protective frame is movably connected to the front of the side plate by bolts, and a protective net located in front of the cooling fan is fixedly connected inside the protective frame.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model involves installing each battery into a protective box with a heat-absorbing layer, connecting adjacent protective boxes via a buffer and shock-absorbing mechanism, and fixing the rubber pad at the bottom of the protective box to the bottom of the inner wall of the enclosure. Each battery is connected in series with wires and electrically connected to a control box. The control box monitors and manages the battery's operating status, achieving overall equipment operation control and ensuring normal operation. During operation, the batteries generate heat. The heat-absorbing layer on the inner wall of the protective box adheres to the battery surface and absorbs this heat. The heat is conducted through a heat-spreading plate attached to the heat-absorbing layer, which evenly distributes the heat to the heat sink on the front, increasing the heat dissipation surface area. At this time, the cooling fans corresponding to the heat sinks on the side panels turn on, accelerating airflow and carrying away the heat from the heat sinks. At the same time, the air intake slots on the back of the enclosure draw in fresh air, forming an air circulation to ensure heat dissipation and keep the batteries operating at a suitable temperature. When the equipment is subjected to vibration, the buffer and shock absorption mechanisms on the left and right sides of the protective box take effect, reducing the impact of vibration on the batteries and protecting the internal components of the equipment. This achieves the effect of separating and protecting multiple batteries inside, and taking effective heat dissipation measures to prevent the accumulation of heat in the batteries and high temperatures, thereby improving the service life of the batteries and the stability and reliability of the entire compensation power supply.
[0014] 2. This utility model, by setting up a damping rod, an elastic shock-absorbing bracket, and a shock-absorbing spring in cooperation, can effectively absorb and buffer vibration energy. When the equipment is subjected to vibration, the damping rod can slow down the transmission speed of the vibration, the elastic shock-absorbing bracket provides a certain elastic support, and the shock-absorbing spring further absorbs and disperses the vibration energy, thereby better protecting the battery, reducing the risk of damage caused by vibration, and improving the stability and durability of the equipment. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the rear view structure of this utility model;
[0017] Figure 3 This is a cross-sectional structural diagram of the present invention;
[0018] Figure 4 This utility model Figure 3 A magnified structural diagram of A in the middle.
[0019] In the diagram: 1. Housing; 2. Control box; 3. Top cover; 4. Battery; 5. Protective box; 6. Heat absorption layer; 7. Heat spreader; 8. Heat sink; 9. Side panel; 10. Cooling fan; 11. Buffer and shock absorption mechanism; 12. Damping rod; 13. Elastic shock absorption bracket; 14. Shock absorption spring; 15. Air intake slot; 16. Protective net; 17. Through hole; 18. Rubber pad; 19. Buffer pad; 20. Protective frame. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figures 1 to 4 As shown, the DC bus undervoltage compensation power supply provided by this utility model includes a housing 1, a control box 2 on the right side of the housing 1, a top cover 3 movably connected to the top of the housing 1 by bolts, a number of evenly distributed batteries 4 inside the housing 1, a protective box 5 covering the surface of the batteries 4, a heat-absorbing layer 6 fixedly connected to the inner wall of the protective box 5, the inner wall of the heat-absorbing layer 6 being in contact with the surface of the batteries 4, a square groove on the front of the protective box 5, a heat-spreading plate 7 fixedly connected inside the square groove, and the back of the heat-spreading plate 7 being in contact with the surface of the heat-absorbing layer 6. The front of the heat dissipation plate 7 is fixedly connected with a number of evenly distributed heat sinks 8. The front of the box 1 is movably connected with a side plate 9 by bolts. The front of the side plate 9 has a number of evenly distributed mounting slots, and a cooling fan 10 is fixedly connected inside the mounting slot. The cooling fan 10 is arranged correspondingly to the heat sink 8. The left and right sides of the protective box 5 are fixedly connected with buffer and shock absorption mechanisms 11, and the outer sides of the two adjacent buffer mechanisms are in contact with each other. The batteries 4 are connected in series by wires, and the other end of the wires is electrically connected to the control box.
[0022] refer to Figure 4 The buffer and shock absorption mechanism 11 includes a damping rod 12 fixedly connected to the outside of the protective box 5. An elastic shock absorption bracket 13 is fixedly connected to the outer end of the damping rod 12. A shock absorption spring 14 is sleeved on the surface of the damping rod 12. The outer end of the shock absorption spring 14 is fixedly connected to the inner side of the elastic shock absorption bracket 13, and the inner end of the shock absorption spring 14 is fixedly connected to the surface of the protective box 5.
[0023] As a technical optimization of this utility model, by setting the damping rod 12, the elastic shock-absorbing bracket 13 and the shock-absorbing spring 14 to work together, the vibration energy can be effectively absorbed and buffered. When the equipment is vibrated, the damping rod 12 can slow down the transmission speed of the vibration, the elastic shock-absorbing bracket 13 provides a certain elastic support, and the shock-absorbing spring 14 further absorbs and disperses the vibration energy, thereby better protecting the battery 4, reducing the risk of damage caused by vibration, and improving the stability and durability of the equipment.
[0024] refer to Figure 2The back of the housing 1 has a number of evenly distributed air intake slots 15, and a protective net 16 is fixedly connected inside the air intake slots 15.
[0025] As a technical optimization of this utility model, by setting an air intake slot 15 and installing a protective net 16, the air intake slot 15 provides a channel for air to enter the housing 1, enabling the cooling fan 10 to draw in fresh air, forming a good air circulation and enhancing the heat dissipation effect. The protective net 16 can prevent dust, debris and other objects from entering the housing 1, avoiding damage to the internal components of the equipment, and ensuring the normal operation and service life of the equipment.
[0026] refer to Figure 4 The surface of the heat sink 8 has a number of through holes 17 extending vertically, and the number of through holes 17 is evenly distributed.
[0027] As a technical optimization of this utility model, by setting uniformly distributed through holes 17 on the surface of the heat sink 8, the contact area between the air and the heat sink 8 is increased, allowing the air to pass through the heat sink 8 more smoothly, further improving the heat dissipation efficiency. More airflow can carry away more heat, which helps to reduce the temperature of the equipment and ensure the stable performance of the equipment.
[0028] refer to Figure 3 A rubber pad 18 is fixedly connected to the bottom of the protective box 5. The bottom of the rubber pad 18 is fixedly connected to the bottom of the inner wall of the box 1. A buffer pad 19 is fixedly connected to the bottom of the box 1.
[0029] As a technical optimization of this utility model, the rubber pad 18 can play a role in buffering and shock absorption, reducing the direct collision and friction between the battery 4 and the housing 1, protecting the battery 4 from the impact of vibration and shock. At the same time, the rubber pad 18 also has a certain insulation performance, which improves the safety of the equipment. By setting the buffer pad 19, the impact of ground vibration on the equipment can be reduced during the placement or movement of the equipment, further protecting the internal components of the equipment and improving the stability and reliability of the equipment.
[0030] refer to Figure 1 The front of the side plate 9 is movably connected to a protective frame 20 by bolts, and a protective net 16 located in front of the cooling fan 10 is fixedly connected inside the protective frame 20.
[0031] As a technical optimization of this utility model, by setting a protective frame 20 with a protective net 16, the protective net 16 can prevent operators or foreign objects from accidentally contacting the cooling fan 10, avoid safety accidents, and improve the safety of equipment use. At the same time, the protective frame 20 can also play a certain role in protecting the cooling fan 10 and prevent the cooling fan 10 from being damaged by external impact.
[0032] The working principle and usage process of this utility model are as follows: Each battery 4 is installed inside a protective box 5 with a heat-absorbing layer 6. Adjacent protective boxes 5 are connected via a buffer and shock-absorbing mechanism 11. The rubber pad 18 at the bottom of the protective box 5 is fixed to the bottom of the inner wall of the housing 1. Each battery 4 is connected in series with wires and electrically connected to a control box 2. The control box 2 monitors and manages the working status of the batteries 4, achieving overall equipment operation control and ensuring normal equipment operation. During operation, the batteries 4 generate heat. The heat-absorbing layer 6 on the inner wall of the protective box 5 adheres to the surface of the batteries 4 and absorbs this heat. The heat is conducted through a heat-dissipating plate 7 that adheres to the heat-absorbing layer 6, and the heat-dissipating plate 7 evenly distributes the heat to the heat sink 8 on the front. This increases the heat dissipation area. At this time, the cooling fan 10, which is set on the side plate 9 corresponding to the heat sink 8, turns on to accelerate airflow and carry away the heat on the heat sink 8. At the same time, the air intake slot 15 on the back of the box 1 draws in fresh air, forming an air circulation to ensure the heat dissipation effect and keep the battery 4 working at a suitable temperature. When the equipment is vibrated, the buffer and shock absorption mechanism 11 on the left and right sides of the protective box 5 plays a role in reducing the impact of vibration on the battery 4 and protecting the internal components of the equipment. This achieves the effect of separating and protecting the multiple batteries 4 inside and taking effective heat dissipation measures to avoid the accumulation of heat in the battery 4 and the occurrence of high temperature, thereby improving the service life of the battery 4 and the stability and reliability of the entire compensation power supply.
[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A DC bus undervoltage compensation power supply, comprising a housing (1), characterized in that: A control box (2) is provided on the right side of the enclosure (1). A top cover (3) is movably connected to the top of the enclosure (1) by bolts. A number of evenly distributed storage batteries (4) are arranged inside the enclosure (1). A protective box (5) is fitted over the surface of the storage batteries (4). A heat-absorbing layer (6) is fixedly connected to the inner wall of the protective box (5). The inner wall of the heat-absorbing layer (6) is in contact with the surface of the storage batteries (4). A square groove is opened on the front of the protective box (5). A heat-spreading plate (7) is fixedly connected inside the square groove. The heat-spreading plate (7) has a square groove. The back is attached to the surface of the heat absorption layer (6). The front of the heat dissipation plate (7) is fixedly connected with a number of evenly distributed heat dissipation fins (8). The front of the box (1) is movably connected to a side plate (9) by bolts. The front of the side plate (9) is provided with a number of evenly distributed mounting slots, and a heat dissipation fan (10) is fixedly connected inside the mounting slot. The heat dissipation fan (10) is arranged in a corresponding manner with the heat dissipation fins (8). The left and right sides of the protective box (5) are fixedly connected to a buffer shock absorption mechanism (11), and the outer sides of the two adjacent buffer mechanisms are attached to each other.
2. The DC bus undervoltage compensation power supply according to claim 1, characterized in that: The buffer and shock absorption mechanism (11) includes a damping rod (12) fixedly connected to the outside of the protective box (5). An elastic shock absorption bracket (13) is fixedly connected to the outer end of the damping rod (12). A shock absorption spring (14) is sleeved on the surface of the damping rod (12). The outer end of the shock absorption spring (14) is fixedly connected to the inner side of the elastic shock absorption bracket (13), and the inner end of the shock absorption spring (14) is fixedly connected to the surface of the protective box (5).
3. The DC bus undervoltage compensation power supply according to claim 1, characterized in that: The back of the box (1) is provided with a number of evenly distributed air inlet slots (15), and a protective net (16) is fixedly connected inside the air inlet slots (15).
4. The DC bus undervoltage compensation power supply according to claim 1, characterized in that: The surface of the heat sink (8) is provided with a number of through holes (17) that extend vertically, and the number of through holes (17) is evenly distributed.
5. The DC bus undervoltage compensation power supply according to claim 1, characterized in that: A rubber pad (18) is fixedly connected to the bottom of the protective box (5), and the bottom of the rubber pad (18) is fixedly connected to the bottom of the inner wall of the box (1). A buffer pad (19) is fixedly connected to the bottom of the box (1).
6. The DC bus undervoltage compensation power supply according to claim 1, characterized in that: The front of the side plate (9) is movably connected to a protective frame (20) by bolts, and a protective net (16) located in front of the cooling fan (10) is fixedly connected inside the protective frame (20).