A heat dissipation device for a general BACnet network controller

By introducing a water tank, circulating water pump, and cleaning device into the BACnet network controller, the problems of water cooling circulation and heat dissipation clogging were solved, achieving effective water cooling and heat dissipation, and ensuring stable equipment operation.

CN224401967UActive Publication Date: 2026-06-23NANTONG MENGBANG ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANTONG MENGBANG ELECTRONIC TECH CO LTD
Filing Date
2025-08-04
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In the existing technology, BACnet network controllers are difficult to achieve circulating water cooling. Cooling water is easily conducted by heat, causing the temperature to rise. In addition, the heat sink is easily blocked by dust, affecting the heat dissipation effect.

Method used

A heat dissipation device is designed, which includes a water tank, a circulating water pump, a motor, a rotating shaft, heat dissipation blades, a bevel gear, and a cleaning device. The circulating water pump achieves water cooling, the motor drives the rotating shaft to drive the heat dissipation blades and fan blades to dissipate heat, and the cleaning device cleans the heat dissipation tank.

Benefits of technology

Effective water cooling circulation and heat sink cleaning are achieved to prevent water temperature rise and dust blockage, ensuring stable operation of the controller.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of heat dissipation device of general BACnet network controller, belong to network controller field, including controller, the positive side of the controller is provided with connecting port, the inside of the controller is provided with heat dissipation device;The heat dissipation device includes water tank, one end of water pipe is fixedly connected in the bottom of the water tank, the other end of the water pipe is fixedly connected in the positive side of water tank, the circumferential surface of the water pipe is fixedly penetrated in the inner wall of controller, the circumferential surface of the water pipe is provided with circulating water pump, the inner wall of the controller is fixedly connected with motor, the output shaft of the motor is fixedly connected with rotating shaft.The utility model is provided with heat dissipation device, so that rotating shaft can drive heat dissipation leaf to rotate when rotating, so that the wind power generated when heat dissipation leaf rotates can blow the cool air that water in water pipe dissipates to the below of controller, to avoid cool air in the above of controller.
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Description

Technical Field

[0001] This utility model relates to the field of network controllers, and more specifically, to a heat dissipation device for a general-purpose BACnet network controller. Background Technology

[0002] In modern building automation systems, protocols are widely used for interconnecting building control systems. The BACnet network controller, as the core of these systems, is responsible for data transmission, monitoring, and control tasks. With the increase in device functionality and processing power, the power consumption and heat generation of the controller also increase, thus requiring the design of effective heat dissipation devices to ensure stable equipment operation.

[0003] A search revealed that Chinese patent CN206629055U discloses a "network communication transceiver," comprising an interface module, a wireless communication module, a housing, a satellite communication module, a controller, a wired communication module, a heat dissipation device, and an air filter. The interface module is fixedly connected to the housing. The housing houses the controller, which is fixedly connected to the wireless communication module, the satellite communication module, and the wired communication module. The heat dissipation device and the air filter are fixedly connected to the housing. The heat dissipation device consists of a heat sink, a heat-conducting plate, an outer frame, and a fan. The bottom of the heat sink is fixedly connected to the heat-conducting plate, the inner side of the heat sink is fixedly connected to the outer frame, and the outer frame is fixedly connected to the fan. This invention provides a heat dissipation device to cool the interior of the housing, preventing overheating and damage, and extending the device's lifespan. However, it still has the following drawbacks:

[0004] (1) When using the network controller, the above application makes it difficult to circulate water cooling inside the controller, so that the cooling water is always inside the controller and is easily conducted by the heat inside the controller, causing the water temperature to rise and making it impossible to cool the controller.

[0005] (2) When using the network controller, it is difficult to indirectly clean the heat sink while cooling the controller, which may cause the heat sink to be blocked by dust and affect the heat dissipation effect. To address this, a heat dissipation device for a general BACnet network controller is proposed. Utility Model Content

[0006] The purpose of this invention is to address the current problem that it is difficult to circulate water cooling inside the controller, causing the cooling water to remain inside the controller and be easily conducted by the heat inside the controller, resulting in the water temperature rising and making it impossible to cool the controller.

[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0008] The present invention is as follows: a heat dissipation device for a general BACnet network controller, comprising a controller, a connection port provided on the front side of the controller, and a heat dissipation device provided inside the controller;

[0009] The heat dissipation device includes a water tank, one end of a water pipe is fixedly connected to the bottom of the water tank, the other end of the water pipe is fixedly connected to the front side of the water tank, the circumferential surface of the water pipe is fixedly inserted through the inner wall of the controller, a circulating water pump is provided on the circumferential surface of the water pipe, a motor is fixedly connected to the inner wall of the controller, a rotating shaft is fixedly connected to the output shaft of the motor, and heat dissipation blades are fixedly connected to the circumferential surface of the rotating shaft.

[0010] As a preferred technical solution of this utility model, a bevel gear one is fixedly connected to the circumferential surface of the rotating shaft, a rotating rod is rotatably connected to the inner wall of the controller, and a bevel gear two is fixedly connected to the side of the rotating rod. The function of the bevel gear two is to drive the rotating rod to rotate.

[0011] As a preferred technical solution of this utility model, a fan blade is fixedly connected to the circumferential surface of the rotating rod, and a heat dissipation groove is provided on the side of the controller. The function of the fan blade is to dissipate the heat inside the controller.

[0012] As a preferred technical solution of this utility model, the circumferential surface of the first bevel gear meshes with the circumferential surface of the second bevel gear. The number of the rotating rod, the second bevel gear, the fan blade and the heat dissipation groove are each set to two, and they are symmetrical to each other along the vertical central axis of the controller. The purpose of the meshing of the first bevel gear and the second bevel gear is to drive the second bevel gear to rotate when the first bevel gear rotates.

[0013] As a preferred technical solution of this utility model, a cleaning device is provided on the side of the controller. The cleaning device includes a half gear, the side of which is fixedly connected to the side of the rotating rod. A rack is slidably connected to the side of the controller. A brush plate is fixedly connected to the side of the rack. Brush bristles are fixedly connected to the side of the brush plate. A force plate is fixedly connected to the side of the controller. The function of the brush bristles is to clean the heat dissipation groove.

[0014] As a preferred technical solution of this utility model, a tension spring is fixedly connected to the top of the force plate, and the end of the tension spring away from the force plate is fixedly connected to the bottom of the rack. The function of the tension spring is to allow the rack to reset when the half gear stops pushing the rack to move.

[0015] As a preferred technical solution of this utility model, the circumferential surface of the half gear meshes with the back side of the rack, and the number of the cleaning devices is set to two, which are symmetrical to each other along the vertical central axis of the controller. The purpose of the half gear meshing with the rack is to push the rack to move when the half gear rotates. The purpose of setting two cleaning devices is to clean the heat dissipation grooves on both sides.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. Through the heat dissipation device, when the water reaches a certain level, the water drawn in will re-enter the water tank due to the suction of the circulating water pump, thus continuing the circulation process. This allows for water cooling inside the controller. The circulating water prevents the water from remaining inside the controller, which could easily lead to heat conduction and cause the water temperature to rise, hindering water cooling of the controller. Then, the motor is started. When the motor's output shaft rotates, it drives the rotating shaft, which in turn drives the cooling fins. The airflow generated by the rotating cooling fins blows the cool air from the water pipes downwards from the controller, thus preventing the cool air from remaining above the controller.

[0018] 2. The cleaning device allows the half-gear to rotate, which in turn drives the rack to move. When the rack moves, it drives the brush plate to move, which in turn drives the brush bristles to move. As the brush bristles move, they clean the heat sink, preventing dust from clogging the heat sink and affecting the heat dissipation effect on the controller. Attached Figure Description

[0019] Figure 1 A schematic diagram of the heat dissipation device for a general-purpose BACnet network controller provided by this utility model;

[0020] Figure 2 A three-dimensional structural diagram of the heat dissipation device provided by this utility model;

[0021] Figure 3 A schematic diagram of the overall three-dimensional structure of the cleaning device provided by this utility model;

[0022] Figure 4 Provided by this utility model Figure 2 A three-dimensional magnified structural diagram at point A in the middle;

[0023] Figure 5 Provided by this utility model Figure 3 A three-dimensional magnified structural diagram at point B.

[0024] 1. Controller; 2. Connection port; 3. Heat dissipation device; 31. Water tank; 32. Water pipe; 33. Circulating water pump; 34. Motor; 35. Shaft; 36. Heat dissipation blade; 37. Bevel gear one; 38. Rotating rod; 39. Bevel gear two; 310. Fan blade; 311. Heat dissipation groove; 4. Cleaning device; 41. Half gear; 42. Rack; 43. Brush plate; 44. Brush bristles; 45. Force plate; 46. Tension spring. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0026] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0027] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] like Figure 1 , Figure 2 , Figure 4 As shown, this embodiment proposes a heat dissipation device for a general BACnet network controller, including a controller 1, a connection port 2 provided on the front side of the controller 1, and a heat dissipation device 3 provided inside the controller 1.

[0030] The heat dissipation device 3 includes a water tank 31. One end of a water pipe 32 is fixedly connected to the bottom of the water tank 31, and the other end of the water pipe 32 is fixedly connected to the side of the water tank 31. The circumferential surface of the water pipe 32 is fixedly connected through the inner wall of the controller 1. A circulating water pump 33 is provided on the circumferential surface of the water pipe 32. A motor 34 is fixedly connected to the inner wall of the controller 1. A rotating shaft 35 is fixedly connected to the output shaft of the motor 34. A heat dissipation fin 36 is fixedly connected to the circumferential surface of the rotating shaft 35.

[0031] like Figure 2 , Figure 4As shown, in a preferred embodiment, based on the above method, a bevel gear 37 is fixedly connected to the circumferential surface of the rotating shaft 35, a rotating rod 38 is rotatably connected to the inner wall of the controller 1, and a bevel gear 39 is fixedly connected to the side of the rotating rod 38. The function of the bevel gear 39 is to drive the rotating rod 38 to rotate.

[0032] like Figure 2 As shown, in a preferred embodiment, based on the above method, a fan blade 310 is fixedly connected to the circumferential surface of the rotating rod 38, and a heat dissipation groove 311 is provided on the side of the controller 1. The function of the fan blade 310 is to dissipate the heat inside the controller 1.

[0033] like Figure 2 , Figure 4 As shown, in a preferred embodiment, based on the above method, the circumferential surface of bevel gear 37 meshes with the circumferential surface of bevel gear 39. The number of rotating rod 38, bevel gear 39, fan blade 310 and heat dissipation groove 311 are each set to two, and they are symmetrical to each other along the vertical central axis of controller 1. The function of bevel gear 37 meshing with bevel gear 39 is to drive bevel gear 39 to rotate when bevel gear 37 rotates.

[0034] like Figure 3 , Figure 5 As shown, in a preferred embodiment, based on the above method, a cleaning device 4 is further provided on the side of the controller 1. The cleaning device 4 includes a half gear 41, the side of the half gear 41 is fixedly connected to the side of the rotating rod 38, a rack 42 is slidably connected to the side of the controller 1, a brush plate 43 is fixedly connected to the side of the rack 42, brush bristles 44 are fixedly connected to the side of the brush plate 43, and a force plate 45 is fixedly connected to the side of the controller 1. The function of the brush bristles 44 is to clean the heat dissipation groove 311.

[0035] like Figure 5 As shown, in a preferred embodiment, based on the above method, a tension spring 46 is further fixedly connected to the top of the force plate 45. The end of the tension spring 46 away from the force plate 45 is fixedly connected to the bottom of the rack 42. The function of the tension spring 46 is to allow the rack 42 to be reset by means of the tension spring 46 when the half gear 41 no longer pushes the rack 42 to move.

[0036] like Figure 3 , Figure 5As shown, in a preferred embodiment, based on the above method, the circumferential surface of the half gear 41 meshes with the back surface of the rack 42, and the number of cleaning devices 4 is set to two, which are symmetrical about each other along the vertical central axis of the controller 1. The function of the half gear 41 meshing with the rack 42 is to push the rack 42 to move when the half gear 41 rotates. The function of setting two cleaning devices 4 is to clean the heat dissipation grooves 311 on both sides.

[0037] Specifically, when using this network controller heat dissipation device: First, when the device is needed, the heat dissipation device 3 can be used. By starting the circulating water pump 33, water in the water tank 31 is drawn into the water pipe 32. When the water reaches a certain position, the drawn water will re-enter the water tank 31 due to the suction of the circulating water pump 33, thus continuing the circulation. This can cool the inside of the controller 1. The circulating water prevents the water from remaining inside the controller 1, which would easily cause the water temperature to rise due to heat conduction, thus preventing the controller 1 from being properly cooled. Then, the motor 34 is started. When the output shaft of the motor 34 rotates, it will drive the rotating shaft. When the shaft 35 rotates, it can drive the heat dissipation blades 36 to rotate. The air generated by the rotation of the heat dissipation blades 36 can blow the cool air emitted by the water pipe 32 towards the lower part of the controller 1, thus preventing the cool air from staying above the controller 1. When the shaft 35 rotates, it can also drive the first bevel gear 37 to rotate. When the first bevel gear 37 rotates, it can drive the second bevel gear 39 to rotate. When the second bevel gear 39 rotates, it can drive the rotating rod 38 to rotate inside the controller 1. When the rotating rod 38 rotates, it can drive the fan blades 310 to rotate. The air generated by the rotation of the fan blades 310 can blow the heat inside the controller 1 out of the controller 1 through the heat dissipation slots 311.

[0038] The rotation of the rotating rod 38 drives the cleaning device 4. When the rotating rod 38 rotates, it drives the half gear 41 to rotate. When the half gear 41 rotates, it pushes the rack 42 to move. When the rack 42 moves, it drives the brush plate 43 to move. When the brush plate 43 moves, it drives the bristles 44 to move. When the bristles 44 move, they can clean the heat dissipation slot 311 and prevent dust from clogging the heat dissipation slot 311 and affecting the heat dissipation effect of the controller 1. When the half gear 41 rotates to the toothless side, the rack 42 will be reset by the tension spring 46 through the brush plate 43 because it will not receive the pushing force of the half gear 41. When the half gear 41 rotates to the toothed side again, the above principle will be repeated, so that the heat dissipation slot 311 can be cleaned intermittently.

[0039] All technical features in this embodiment can be freely combined according to actual needs.

[0040] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A heat dissipation device for a general-purpose BACnet network controller, comprising a controller (1), characterized in that, The controller (1) has a connection port (2) on its front side and a heat dissipation device (3) inside the controller (1). The heat dissipation device (3) includes a water tank (31), one end of a water pipe (32) is fixedly connected to the bottom of the water tank (31), the other end of the water pipe (32) is fixedly connected to the front side of the water tank (31), the circumferential surface of the water pipe (32) is fixedly connected through the inner wall of the controller (1), a circulating water pump (33) is provided on the circumferential surface of the water pipe (32), a motor (34) is fixedly connected to the inner wall of the controller (1), the output shaft of the motor (34) is fixedly connected to a rotating shaft (35), and a heat dissipation blade (36) is fixedly connected to the circumferential surface of the rotating shaft (35).

2. The heat dissipation device for a general-purpose BACnet network controller according to claim 1, characterized in that, A bevel gear (37) is fixedly connected to the circumferential surface of the rotating shaft (35), a rotating rod (38) is rotatably connected to the inner wall of the controller (1), and a bevel gear (39) is fixedly connected to the side of the rotating rod (38).

3. The heat dissipation device for a general-purpose BACnet network controller according to claim 2, characterized in that, The circumferential surface of the rotating rod (38) is fixedly connected with a fan blade (310), and the side of the controller (1) is provided with a heat dissipation groove (311).

4. The heat dissipation device for a general-purpose BACnet network controller according to claim 2, characterized in that, The circumferential surface of the first bevel gear (37) meshes with the circumferential surface of the second bevel gear (39). The number of the rotating rod (38), the second bevel gear (39), the fan blade (310), and the heat dissipation groove (311) are set to two, and they are symmetrical to each other along the vertical central axis of the controller (1).

5. The heat dissipation device for a general-purpose BACnet network controller according to claim 1, characterized in that, A cleaning device (4) is provided on the side of the controller (1). The cleaning device (4) includes a half gear (41). The side of the half gear (41) is fixedly connected to the side of the rotating rod (38). A rack (42) is slidably connected to the side of the controller (1). A brush plate (43) is fixedly connected to the side of the rack (42). Brush bristles (44) are fixedly connected to the side of the brush plate (43). A force plate (45) is fixedly connected to the side of the controller (1).

6. The heat dissipation device for a general-purpose BACnet network controller according to claim 5, characterized in that, A tension spring (46) is fixedly connected to the top of the force plate (45), and the end of the tension spring (46) away from the force plate (45) is fixedly connected to the bottom of the rack (42).

7. The heat dissipation device for a general-purpose BACnet network controller according to claim 5, characterized in that, The circumferential surface of the half gear (41) meshes with the back side of the rack (42), and the number of the cleaning devices (4) is set to two, which are symmetrical about each other along the vertical central axis of the controller (1).