Battery pack for electric actuator based on BMS (Battery Management System)
By designing a battery pack based on a BMS battery management system, and employing cooling components and protective mechanisms, the problems of overheating and fire hazards in battery packs for electric actuators have been solved. This has enabled efficient temperature management and safety protection of the battery pack, extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN WATER CONTROL INFORMATION TECHNOLOGY CO LTD
- Filing Date
- 2025-04-27
- Publication Date
- 2026-05-05
AI Technical Summary
Existing battery packs for electric actuators are prone to overheating during prolonged use, leading to localized damage and performance degradation, and also pose a fire hazard.
The battery pack design adopts a BMS-based battery management system and includes cooling components and protective mechanisms. A circulating cooling system is formed by micro-pumps, cooling pipes and fans, combined with flame-retardant plates and flame-retardant layers to prevent flame spread and ensure that the battery operates within a suitable temperature range.
It effectively reduces battery temperature, extends battery life, reduces the occurrence of fire accidents, and ensures the safety of equipment and personnel.
Smart Images

Figure CN224204135U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery power technology, specifically to a battery pack for electric actuators based on a BMS battery management system. Background Technology
[0002] An electric actuator is an automated control device that uses electrical energy as a power source to convert electrical signals into mechanical displacement, thereby driving the movement of equipment such as valves and baffles to achieve automated control of the process flow.
[0003] For example, the battery pack disclosed in patent publication number CN101399363A includes a guide plate and two or more parallel strip-shaped current collectors extending from the guide plate. The strip-shaped current collectors of the positive and negative terminals of the battery pack extend in opposite directions. Two or more single cells are arranged between the strip-shaped current collectors of the positive and negative terminals. The leads of the positive and negative guide plates of the battery pack are on the same working surface, which facilitates the electrical connection between the battery pack and the device during use. By ensuring that the current flow of each single cell in the battery pack is equal, it can prevent differences in current between the single cells due to prolonged use, thus preventing localized damage and performance degradation of the battery pack.
[0004] However, during the use of the aforementioned devices and common equipment, due to the arrangement of the positive terminal of the internal battery pack, and due to the influence of environmental factors and the battery itself during long-term use, local overheating may occur, affecting battery performance. Therefore, we propose a more convenient and practical battery pack to meet the usage requirements. Utility Model Content
[0005] The purpose of this invention is to provide a battery pack for electric actuators based on a BMS battery management system to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a battery pack for an electric actuator based on a BMS battery management system, comprising a battery pack body, the battery pack body including a shell, a plurality of equidistant protective blocks fixedly connected to the center of the top of the shell, forming a cavity between the protective blocks, the battery body being installed in the cavity, connecting pieces being installed on the positive and negative terminals of the battery body respectively, a wire being electrically connected to one side of the battery body, one end of the wire being electrically connected to an electric actuator body, cooling components being provided on the inner walls of both sides of the shell for cooling the battery body, and a protective mechanism being provided on the top of the battery pack body for preventing the battery pack body from burning.
[0007] Furthermore, the outer casing has heat dissipation holes on both sides, and clamping plates are fixedly connected to the inner walls of both sides of the outer casing. The cooling assembly includes symmetrically arranged cooling frames, which cover the protective blocks. One side of the clamping plate is in contact with one side of the cooling frame.
[0008] Furthermore, the cooling frame has through holes on both sides, and a connecting pipe is fixedly connected inside the through holes. A micro pump is installed on the outer wall of one end of the connecting pipe, and a cold water tank and a hot water tank are fixedly connected to the other end.
[0009] Furthermore, the cold water tank and the hot water tank have multiple equidistant through holes on one side, and cooling pipes are fixedly connected in the through holes, connecting the cold water tank and the hot water tank.
[0010] Furthermore, a mounting plate is fixedly connected to one side of the cold water tank and the hot water tank, and multiple equidistant fans are fixedly connected to one side of the mounting plate.
[0011] Furthermore, the protective mechanism includes a cover plate with a through hole on one side of the top of the cover plate. A connecting bolt is threaded into the through hole, and one end of the connecting bolt is threaded to the outer shell. A protective plate is fixedly connected to the center of the top of the cover plate, and a flame-retardant plate and a flame-retardant layer are sequentially fixedly connected to the inner wall of the top of the protective plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This battery pack for electric actuators based on a BMS battery management system, through the design of the battery pack body and protective mechanism, firstly protects the battery body with a protective block and connects it to the electric actuator body via connecting plates and wires, and is then fixed by a clamping plate. Next, when the temperature inside the cooling frame rises, a micro pump starts and introduces hot water into the hot water tank through a connecting pipe. Then, the hot water is introduced into the cold water tank through a cooling pipe. During this process, a fan on the mounting plate cools the hot water. Finally, the hot air inside the casing is expelled through heat dissipation holes. This device can more effectively reduce the temperature of the battery body, ensure that the battery operates within a suitable temperature range, extend the battery's lifespan, and is highly practical and suitable for widespread application.
[0014] At the same time, the protective structure can play a role in heat insulation and flame retardancy, preventing flames and high temperatures from spreading to the outside of the battery pack, reducing the probability of fire accidents, and ensuring the safety of surrounding equipment and personnel. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the battery pack body structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the protective mechanism structure of this utility model.
[0018] In the diagram: 1. Battery pack body; 101. Outer shell; 102. Heat dissipation holes; 103. Clamping plate; 104. Protective block; 105. Battery body; 106. Connecting piece; 107. Cooling frame; 108. Connecting pipe; 109. Micro pump; 110. Cold water tank; 111. Cooling pipe; 112. Hot water tank; 113. Mounting plate; 114. Fan; 2. Protective mechanism; 201. Cover plate; 202. Connecting bolts; 203. Protective plate; 204. Flame retardant plate; 205. Flame retardant layer; 3. Wires; 4. Electric actuator body. Detailed Implementation
[0019] 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.
[0020] Battery packs are required during the use of automated control equipment. The battery pack provided by this utility model is specifically designed to power electric actuators in automated control equipment. When using this equipment for power supply, it is necessary to ensure that the battery pack and the electric actuator are connected correctly during installation to avoid the equipment malfunctioning or being damaged due to incorrect connection. Before using the battery pack, check whether the battery pack has sufficient power to ensure that the electric actuator can work continuously and stably. The temperature and heat dissipation of the battery pack should be checked regularly to avoid damage to the battery pack due to overheating or to prevent safety hazards.
[0021] like Figures 1-3 As shown, this utility model provides a technical solution: a battery pack for an electric actuator based on a BMS battery management system, including a battery pack body 1, the battery pack body 1 including a shell 101, a plurality of equidistant protective blocks 104 fixedly connected to the top center of the shell 101, forming a cavity between the protective blocks 104, the battery body 105 is installed in the cavity, the positive and negative terminals of the battery body 105 are respectively installed with connecting pieces 106, a wire 3 is electrically connected to one side of the battery body 105, one end of the wire 3 is electrically connected to an electric actuator body 4, cooling components are provided on the inner walls of both sides of the shell 101 for cooling the battery body 105, and a protective mechanism 2 is provided on the top of the battery pack body 1 for preventing the battery pack body 1 from burning.
[0022] like Figure 2As shown, heat dissipation holes 102 are provided on both sides of the outer casing 101. Clamping plates 103 are fixedly connected to the inner walls of both sides of the outer casing 101. The cooling assembly includes symmetrically arranged cooling frames 107. The cooling frames 107 are covered by protective blocks 104. One side of the clamping plate 103 is in contact with one side of the cooling frame 107. Through holes are provided on both sides of the cooling frame 107. Connecting pipes 108 are fixedly connected in the through holes. A micro pump 109 is installed on the outer wall of one end of the connecting pipe 108. The other end is fixedly connected to a cold water tank 110 and a hot water tank 112. Multiple equidistant through holes are provided on one side of the cold water tank 110 and the hot water tank 112. Cooling pipes 111 are fixedly connected in the through holes. The cooling pipes 111 connect the cold water tank 110 and the hot water tank 112. A mounting plate 113 is fixedly connected to one side of the cold water tank 110 and the hot water tank 112. Multiple equidistant fans 114 are fixedly connected to one side of the mounting plate 113.
[0023] It should be noted that during use, the battery body 105 is first protected by the protective block 104 and connected to the electric actuator body 4 by the connecting piece 106 and the wire 3, and then fixed by the clamping plate 103. Then, when the temperature inside the cooling frame 107 rises, the micro pump 109 starts and hot water enters the hot water tank 112 through the connecting pipe 108. Then, the hot water enters the cold water tank 110 through the cooling pipe 111. During this process, the fan 114 on the mounting plate 113 cools the hot water. Finally, the hot air inside the outer casing 101 is discharged through the heat dissipation hole 102. The protective components form a circulating cooling system that can continuously remove the heat generated by the battery and avoid the problem of local overheating.
[0024] like Figure 3 As shown, the protective mechanism 2 includes a cover plate 201. A through hole is provided on one side of the top of the cover plate 201. A connecting bolt 202 is threaded into the through hole. One end of the connecting bolt 202 is threadedly connected to the outer shell 101. A protective plate 203 is fixedly connected to the center of the top of the cover plate 201. A flame-retardant plate 204 and a flame-retardant layer 205 are fixedly connected to the inner wall of the top of the protective plate 203 in sequence.
[0025] It should be noted that during use, the cover plate 201 and the outer shell 101 are first connected by connecting bolts 202. Then, the flame-retardant plate 204 and flame-retardant layer 205 on the protective plate 203 are tightly attached to the battery body 105. The protective mechanism 2 can play the role of heat insulation and flame retardancy, preventing flames and high temperatures from spreading to the outside of the battery pack, reducing the probability of fire accidents, and ensuring the safety of surrounding equipment and personnel.
[0026] During use, the battery body 105 is first protected by the protective block 104 and connected to the electric actuator body 4 by the connecting piece 106 and the wire 3. It is then fixed by the clamping plate 103. When the temperature inside the cooling frame 107 rises, the micro pump 109 starts and hot water enters the hot water tank 112 through the connecting pipe 108. Then, the hot water enters the cold water tank 110 through the cooling pipe 111. During this process, the fan 114 on the mounting plate 113 cools the hot water. Finally, the hot air inside the outer casing 101 is discharged through the heat dissipation hole 102. The cover plate 201 and the outer casing 101 are connected by the connecting bolt 202. Then, the flame-retardant plate 204 and flame-retardant layer 205 on the protective plate 203 are tightly attached to the battery body 105. This device can more effectively reduce the temperature of the battery body 105, ensure that the battery works within a suitable temperature range, and extend the battery's service life.
[0027] 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 embodiments and their equivalents.
Claims
1. A battery pack for an electric actuator based on a BMS (Battery Management System), characterized in that: The battery pack includes a battery body, which contains a housing. Multiple equidistant protective blocks are fixedly connected to the center of the top of the housing, forming a cavity between the protective blocks. The battery body is installed inside the cavity. Connecting pieces are installed on the positive and negative terminals of the battery body. A wire is electrically connected to one side of the battery body, and one end of the wire is electrically connected to an electric actuator body. Cooling components are provided on the inner walls of both sides of the housing for cooling the battery body. A protective mechanism is provided on the top of the battery pack to prevent the battery pack from burning.
2. The battery pack for an electric actuator based on a BMS battery management system according to claim 1, characterized in that: The outer casing has heat dissipation holes on both sides, and clamping plates are fixedly connected to the inner walls of both sides of the outer casing. The cooling assembly includes symmetrically arranged cooling frames, which cover protective blocks. One side of the clamping plate is in contact with one side of the cooling frame.
3. A battery pack for an electric actuator based on a BMS battery management system according to claim 2, characterized in that: The cooling frame has through holes on both sides, and a connecting pipe is fixedly connected inside the through holes. A micro pump is installed on the outer wall of one end of the connecting pipe, and a cold water tank and a hot water tank are fixedly connected to the other end.
4. A battery pack for an electric actuator based on a BMS battery management system according to claim 3, characterized in that: The cold water tank and the hot water tank have multiple equidistant through holes on one side, and cooling pipes are fixedly connected in the through holes, connecting the cold water tank and the hot water tank.
5. A battery pack for an electric actuator based on a BMS battery management system according to claim 3, characterized in that: The cold water tank and the hot water tank are fixedly connected to one side of a mounting plate, and multiple equidistant fans are fixedly connected to one side of the mounting plate.
6. A battery pack for an electric actuator based on a BMS battery management system according to claim 1, characterized in that: The protective mechanism includes a cover plate with a through hole on one side of the top of the cover plate. A connecting bolt is threaded into the through hole, and one end of the connecting bolt is threaded to the outer shell. A protective plate is fixedly connected to the center of the top of the cover plate, and a flame-retardant plate and a flame-retardant layer are fixedly connected to the inner wall of the top of the protective plate in sequence.
Citation Information
Patent Citations
Battery pack
CN101399363A