Heat dissipation structure of water pump controller
By incorporating multiple cooling fans and a grid structure in the water pump controller, the problem of airflow congestion in existing technologies is solved, resulting in faster heat dissipation and stable motor operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-07
AI Technical Summary
In the existing heat dissipation structure of water pump controllers, upward airflow causes airflow obstruction, affecting heat dissipation effect and efficiency.
In the heat dissipation structure of the water pump controller, at least two cooling fans are installed, with the air outlet direction consistent with the length direction of the heat dissipation fins. A support base and a grid plate are installed on the right side of the fins, and the wire passage hole is located between the two cooling fans to ensure that the air volume reaches the fins to the maximum extent. The grid plate is used to protect the motor lead wires.
It effectively accelerates the heat dissipation of the controller, ensures stable motor operation, and reduces safety hazards.
Smart Images

Figure CN224098039U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water pump technical field relates to a water pump controller especially a water pump controller heat radiation structure. BACKGROUND
[0002] Water pump controller is a kind of device for automatically controlling water pump start-stop, adjusting operating state and protecting equipment, is widely used in water supply, drainage, irrigation, industrial circulation and other systems.
[0003] The existing controller such as the PLC controller with heat dissipation function disclosed in Chinese patent library (application number: 202322463921.9) includes PLC controller main body and several installation parts arranged at the edge of PLC controller main body, the installation part extends to the back of PLC controller main body, the back of PLC controller main body is provided with first heat dissipation fins, the two sides of the back of PLC controller main body are provided with limiting slot for limiting first heat dissipation fins, and the back of limiting slot is provided with heat dissipation fan through mounting bracket.
[0004] In the above-mentioned controller, the heat dissipation fan blows air upward, and the wind is blown into the gap between the two adjacent first heat dissipation fins. However, when blowing air upward, the wind will collide with the back of the PLC controller main body, causing part of the wind to reverse and move downward and collide with the upward moving wind, causing air flow congestion, affecting the heat dissipation effect and efficiency. UTILITY MODEL CONTENTS
[0005] The utility model aims at the above-mentioned problems existing in prior art, and provides a water pump controller heat radiation structure with good heat dissipation.
[0006] The utility model can be realized by the following technical scheme: a water pump controller heat radiation structure, the controller is arranged above water pump motor, including horizontally arranged box body, characterized in that, the heat radiation structure includes heat dissipation fan, concave cavity formed on the bottom wall of box body and a row of heat dissipation fins formed on the bottom wall of concave cavity, the left and right sides of concave cavity are open, the heat dissipation fins extend left and right, and a row of heat dissipation fins are distributed in front and back interval;The left end of heat dissipation fin extends to the left side opening of concave cavity, support seat is arranged at the right side opening of concave cavity, heat dissipation fan is fixed on support seat, and the air outlet of heat dissipation fan faces heat dissipation fin;Heat dissipation fan is at least two and is distributed in front and back.
[0007] At least two heat dissipation fans are arranged at the right side of heat dissipation fin, each heat dissipation fan blows to heat dissipation fin, and the air outlet direction of heat dissipation fan is consistent with the length direction of heat dissipation fin, so that the heat on heat dissipation fin can be quickly taken away, thereby effectively accelerating the heat dissipation of controller.
[0008] In the water pump controller heat dissipation structure, the support seat is a support plate vertically formed on the bottom wall of the cavity, the heat dissipation fan is fixed on the right side of the support plate, the support plate is provided with through holes penetrating left and right, the number of the through holes is the same as that of the heat dissipation fan, and each through hole is opposite to the air outlet of a heat dissipation fan. With the above design, the heat dissipation fan is convenient to install and position.
[0009] In the water pump controller heat dissipation structure, the number of the through holes is 2, that is, the number of the heat dissipation fan is also 2.
[0010] In the water pump controller heat dissipation structure, the upper and lower sides of the through hole are opened to divide the support plate into a middle plate and two side plates, and the middle plate is between the two side plates; the front and back sides of the heat dissipation fan are respectively fixed to the corresponding side plate and the middle plate. With the above design, the size of the through hole is maximized, the air supply is reduced, a large amount of air quickly reaches the position of the heat dissipation fins, and the controller heat dissipation is further improved.
[0011] In the water pump controller heat dissipation structure, a triangular rib is formed between the left side of the middle plate and the bottom wall of the cavity to strengthen the strength of the middle plate and better support the two heat dissipation fans.
[0012] In the water pump controller heat dissipation structure, a grille plate is fixed on the right side of the box body to cover the right side opening of the cavity, and the heat dissipation fan is on the left side of the grille plate. The grille plate is provided to play a protection role and reduce safety hazards.
[0013] In the water pump controller heat dissipation structure, a wire inlet hole is formed in the bottom wall of the cavity to communicate with the inner cavity of the box body, and the wire inlet hole is between the two heat dissipation fans. In use, the motor lead wire extends into the box body through the wire inlet hole.
[0014] The wire inlet hole is arranged between the two heat dissipation fans, which not only facilitates the heat dissipation of the motor lead wire, but also protects the motor lead wire by the grille plate to ensure stable operation of the motor.
[0015] Compared with the prior art, the water pump controller heat dissipation structure has the following advantages:
[0016] 1. At least two heat dissipation fans are arranged on the right side of the heat dissipation fins, each heat dissipation fan blows against the heat dissipation fins, and the air outlet direction of the heat dissipation fan is consistent with the length direction of the heat dissipation fins, so that the heat on the heat dissipation fins can be quickly taken away, thereby effectively accelerating the heat dissipation of the controller.
[0017] 2. The wire inlet hole is arranged between the two heat dissipation fans, which not only facilitates the heat dissipation of the motor lead wire, but also protects the motor lead wire by the grille plate to ensure stable operation of the motor. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1is a three-dimensional schematic view of a water pump controller.
[0019] Figure 2 is a three-dimensional schematic view of a water pump controller without a grid plate.
[0020] Figure 3 is an installation schematic view of a cooling fan.
[0021] In the figure, 1, box body; 1a, recessed cavity; 1b, heat dissipation fin; 1c, support plate; 1d, through hole; 1e, middle plate; 1f, side plate; 1g, rib; 1h, wire inlet hole; 2, cooling fan; 3, grid plate. DETAILED DESCRIPTION
[0022] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.
[0023] In the water pump controller cooling structure, the water pump includes a motor, and in actual use, the motor is horizontally arranged, and the controller is arranged above the water pump motor and includes a horizontally arranged box body 1, and the box opening of the box body 1 is arranged upwards.
[0024] As shown in Figure 2 and Figure 3 , the water pump controller cooling structure includes a cooling fan 2, a recessed cavity 1a formed on the bottom wall of the box body 1, and a row of heat dissipation fins 1b formed on the bottom wall of the recessed cavity 1a.
[0025] Among them,
[0026] The heat dissipation fins 1b and the box body 1 are an integral structure, and preferably both are aluminum alloy integral pieces.
[0027] The cooling fan 2 is a product that can be purchased on the market, and is generally square in structure.
[0028] The left and right sides of the recessed cavity 1a are both open, the heat dissipation fins 1b extend left and right, and a row of heat dissipation fins 1b are distributed in front and back. The left end of the heat dissipation fin 1b extends to the left side opening of the recessed cavity 1a, a support seat is arranged at the right side opening of the recessed cavity 1a, the cooling fan 2 is fixed on the support seat, and the air outlet of the cooling fan 2 faces the heat dissipation fin 1b. The cooling fan 2 has at least two and is distributed side by side in front and back. Preferably, the right end of the heat dissipation fin 1b extends to be close to the cooling fan 2.
[0029] At least two cooling fans 2 are arranged on the right side of the heat dissipation fin 1b, each cooling fan 2 blows against the heat dissipation fin 1b, and the air outlet direction of the cooling fan 2 is consistent with the length direction of the heat dissipation fin 1b, so that the heat on the heat dissipation fin 1b can be quickly taken away, thereby effectively accelerating the cooling of the controller.
[0030] In the embodiment,
[0031] The support seat is a support plate 1c vertically formed on the bottom wall of the cavity 1a, and the support plate 1c extends in length from front to back. In the actual product, the front and back ends of the support plate 1c both extend to the inner wall of the cavity 1a. The heat dissipation fan 2 is fixed on the right side of the support plate 1c, and the support plate 1c is provided with through holes 1d which are left-right through, the number of the through holes 1d is the same as that of the heat dissipation fans 2, and each through hole 1d is opposite to the air outlet of one heat dissipation fan 2. With the above design, the heat dissipation fan 2 is convenient to install and position.
[0032] Further, the number of the through holes 1d is 2, that is, the number of the heat dissipation fans 2 is also 2. The upper and lower sides of the through hole 1d are both open to divide the support plate 1c into a middle plate 1e and two side plates 1f, and the middle plate 1e is between the two side plates 1f; the front and back sides of the heat dissipation fan 2 are respectively fixed to the corresponding side plate 1f and the middle plate 1e. With the above design, the size of the through hole 1d is maximized, the air supply is reduced, a large amount of air quickly reaches the position of the heat dissipation fins 1b, and the heat dissipation of the controller is further improved.
[0033] In the actual product, the heat dissipation fan 2 has bolt holes around it, and the axis of the bolt hole extends left and right. The middle plate 1e and the side plate 1f are both provided with threaded holes corresponding to the bolt holes, and the heat dissipation fan 2 is fixed to the side plate 1f or the middle plate 1e by screws which pass through the bolt holes and are screwed into the corresponding threaded holes.
[0034] Further, a triangular rib 1g is formed between the left side of the middle plate 1e and the bottom wall of the cavity 1a to strengthen the strength of the middle plate 1e and better support the two heat dissipation fans 2.
[0035] As shown in Figure 1 and Figure 2 , the box body 1 is fixed with a grille plate 3 on the right side for covering the right side opening of the cavity 1a, and the heat dissipation fan 2 is on the left side of the grille plate 3. The grille plate 3 is provided to play a protective role and reduce safety hazards. The bottom wall of the cavity 1a is provided with a wire inlet hole 1h which communicates with the inner cavity of the box body 1, and the wire inlet hole 1h is between the two heat dissipation fans 2. In use, the motor lead wire extends into the box body 1 through the wire inlet hole 1h. The wire hole is arranged between the two heat dissipation fans 2, which not only facilitates the heat dissipation of the motor lead wire, but also protects the motor lead wire by the grille plate 3, ensuring the stable operation of the motor.
[0036] Preferably, the front and back sides of the grille plate 3 are fixed to the box body 1 by screws.
[0037] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.
Claims
1. A heat dissipation structure for a water pump controller, wherein the controller is disposed above the water pump motor and includes a horizontally arranged housing (1), characterized in that, This heat dissipation structure includes a heat dissipation fan (2), a cavity (1a) formed on the bottom wall of the box (1), and a row of heat dissipation fins (1b) formed on the bottom wall of the cavity (1a). The left and right sides of the cavity (1a) are open. The heat dissipation fins (1b) extend to the left and right, and the row of heat dissipation fins (1b) is distributed at intervals. The left end of the heat dissipation fins (1b) extends to the left opening of the cavity (1a). A support is provided at the right opening of the cavity (1a). The heat dissipation fan (2) is fixed on the support, and the air outlet of the heat dissipation fan (2) faces the heat dissipation fins (1b). There are at least two heat dissipation fans (2) and they are arranged side by side.
2. The heat dissipation structure for the water pump controller according to claim 1, characterized in that, The support base is a support plate (1c) vertically formed on the bottom wall of the concave cavity (1a). The cooling fan (2) is fixed on the right side of the support plate (1c). The support plate (1c) has through holes (1d) running through the left and right sides. The number of through holes (1d) and cooling fans (2) is the same, and each through hole (1d) is directly opposite the air outlet of a cooling fan (2).
3. The heat dissipation structure for the water pump controller according to claim 2, characterized in that, There are 2 through holes (1d).
4. The heat dissipation structure for the water pump controller according to claim 3, characterized in that, The through hole (1d) has openings on both the upper and lower sides to divide the support plate (1c) into a middle plate (1e) and two side plates (1f), with the middle plate (1e) located between the two side plates (1f); the front and rear sides of the cooling fan (2) are respectively fixed to the corresponding side plates (1f) and the middle plate (1e).
5. The heat dissipation structure for the water pump controller according to claim 4, characterized in that, A triangular rib (1g) is formed between the left side of the middle plate (1e) and the bottom wall of the concave cavity (1a).
6. The heat dissipation structure for the water pump controller according to claim 1, characterized in that, The box body (1) has a grid plate (3) fixed on the right side to cover the right opening of the cavity (1a), and the cooling fan (2) is located on the left side of the grid plate (3).
7. The heat dissipation structure for the water pump controller according to claim 6, characterized in that, The bottom wall of the concave cavity (1a) is provided with an inlet hole (1h) that connects to the inner cavity of the box body (1), and the inlet hole (1h) is located between the two cooling fans (2).
Citation Information
Patent Citations
PLC controller with heat dissipation function
CN220776372U