An irrigation controller
By incorporating a protective box, intake fan, rainproof trapezoidal base, and rotary drive assembly into the irrigation controller, efficient heat dissipation and intelligent protection are achieved, solving the problem of poor heat dissipation in outdoor environments and improving the stability and service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN DAYU WATER-SAVING CO LTD
- Filing Date
- 2025-09-15
- Publication Date
- 2026-08-04
AI Technical Summary
Existing irrigation controllers have poor heat dissipation performance in complex outdoor environments and are easily corroded by dust and rainwater, affecting their stability and service life.
It adopts a protective box design, combining active and passive heat dissipation. It achieves efficient heat dissipation through an intake fan, a rainproof trapezoidal base, and a rotary drive assembly. It is equipped with a ventilation control assembly and a dust filter, which automatically adjusts the opening and closing of the ventilation slots according to the wind direction to enhance the protective effect.
This improves the heat dissipation efficiency and stability of the irrigation controller in outdoor environments, reduces maintenance costs, and extends its service life.
Smart Images

Figure CN224596738U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of irrigation controller technology, specifically an irrigation controller. Background Technology
[0002] An irrigation controller is a core device that enables precise irrigation management through automation technology. It is widely used in agriculture, landscaping, and home gardening. It automatically starts and stops irrigation equipment based on preset programs or sensor data (such as soil moisture and weather data), avoiding the tediousness and errors of manual operation. It supports multiple modes such as timed irrigation, periodic irrigation, and on-demand irrigation.
[0003] As the core equipment of automated irrigation systems in agriculture and gardens, irrigation controllers are responsible for automatically controlling the opening and closing of irrigation valves according to preset programs or environmental parameters. This is of great significance for improving irrigation efficiency and saving water resources. However, the complex outdoor climate and environmental conditions (such as high temperature, high humidity, dust, and rainfall) pose a severe challenge to the stability and service life of irrigation controllers, and the contradiction between heat dissipation and protection is particularly prominent.
[0004] Existing irrigation controllers have two main heat dissipation solutions: natural heat dissipation and active heat dissipation. Natural heat dissipation relies on natural air convection to achieve heat exchange by opening heat dissipation holes on the side wall of the protective box. However, when the wind direction is perpendicular to the direction of the heat dissipation holes or there is no wind, hot air is difficult to be effectively discharged, resulting in heat accumulation inside the box. In addition, dust and rainwater can also easily enter through the heat dissipation holes.
[0005] Therefore, an irrigation controller is proposed to address the above problems. Utility Model Content
[0006] To address the problems mentioned in the background art, this utility model provides an irrigation controller that features efficient heat dissipation and intelligent protection working in tandem, adaptive wind direction adjustment, and flexible adaptation to multiple scenarios. It can significantly improve stability and service life in outdoor environments while reducing operation and maintenance costs.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an irrigation controller, comprising a protective box, an irrigation controller body installed inside the protective box, a sealed door installed on the front side of the protective box, a heat dissipation component installed on the protective box, ventilation slots opened on the left and right sides of the protective box, a ventilation control component installed inside the protective box at a position corresponding to the ventilation slot, a connecting shell fixedly connected to the rear side of the protective box, a supporting column penetrating through the connecting shell, the supporting column being connected to the connecting shell via a bearing, and a horizontal rotation drive component disposed inside the connecting shell.
[0008] Preferably, the sealed box door is provided with an observation window and a handle.
[0009] Preferably, the heat dissipation assembly includes an intake fan installed at the bottom of the protective box, a rainproof trapezoidal base fixedly connected to the top of the protective box, the inner cavity of the rainproof trapezoidal base communicating with the inner cavity of the protective box, and air outlets provided on the front and rear inclined sidewalls of the rainproof trapezoidal base, with a mesh installed inside the air outlets.
[0010] Preferably, a first dustproof net is installed inside the ventilation slot, and a second dustproof net is provided below the air intake fan.
[0011] Preferably, the ventilation control assembly includes an electric telescopic rod installed inside a protective box. The piston rod of the electric telescopic rod is connected to a movable cross plate. Connecting plates are fixedly connected to both ends of the movable cross plate. A baffle is fixedly connected to the top of the connecting plate. The position and structure of the baffle match the ventilation slot.
[0012] Preferably, the baffle slides against the inner wall of the outer protective box of the ventilation slot, and a sealing strip is provided between the baffle and the inner wall of the protective box.
[0013] Preferably, the horizontal rotation drive assembly includes a gear ring fixed on a support column, the gear ring being meshed with a gear, the gear being connected to a drive motor via a motor shaft, and the drive motor being installed inside a connecting housing.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The bottom fan of this utility model heat dissipation component forces in cold air, and the front and rear sloping air outlets of the top rainproof trapezoidal base use the principle of "hot air rising" to guide the airflow to be discharged quickly. The bottom fan is not easily corroded by rainwater, and the two air outlets are set on the sloping surface to prevent rainwater from entering. 2. The electric telescopic rod of the ventilation control component of this utility model drives the moving horizontal plate, which drives the baffle to open and close the ventilation slot through the connecting plate. When the temperature is high, the baffle opens automatically and works with the intake fan to enhance heat dissipation. In extreme weather such as rain or sandstorms, the baffle closes the ventilation slot, which solves the problem of "the heat dissipation holes being open all the time, causing rainwater and dust to enter". 3. The drive motor of the horizontal rotation drive assembly of this utility model drives the protective box to rotate horizontally around the support column through gear meshing with the gear ring, so that the ventilation slot is always aligned with the main airflow direction, greatly improving the heat dissipation efficiency. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the protective box of this utility model; Figure 3 This is a schematic diagram of the ventilation control component of this utility model; Figure 4This is a schematic diagram of the connecting shell of this utility model; Figure 5 This is a schematic diagram of the structure of the horizontal rotation drive assembly of this utility model.
[0016] In the diagram: 1. Protective box; 2. Irrigation controller body; 3. Sealed box door; 41. Inlet fan; 42. Rainproof trapezoidal base; 43. Air outlet; 44. Air filter net; 5. Ventilation slots; 6. Ventilation control components; 61. Electric telescopic rod; 62. Movable crossbar; 63. Connecting plate; 64. Baffle; 7. Connecting shell; 8. Supporting column; 9. Horizontal rotation drive assembly; 91. Gear ring; 92. Gear; 93. Drive motor; 10. Observation window; 11. Handle; 12. First dustproof net; 13. Second dustproof net. Detailed Implementation
[0017] 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.
[0018] like Figures 1 to 5 As shown, this utility model provides an irrigation controller, including a protective box 1, which provides all-around protection for the internal irrigation controller body 2, resisting external impacts, rainwater, and dust. The irrigation controller body 2 is installed inside the protective box 1, serving as the core control component for setting and executing irrigation programs. A sealed door 3 is installed on the front of the protective box 1, and a heat dissipation component 4 is installed on the protective box 1 to efficiently dissipate heat from inside the protective box 1 through a combination of active and passive methods. Ventilation slots 5 are provided on the left and right sides of the protective box 1 to provide air circulation channels for the interior of the protective box 1, assisting in heat dissipation. A ventilation control component 6 is installed at the position corresponding to the ventilation slot 5, which can adjust the opening and closing of the ventilation slot 5 according to the environmental conditions to balance heat dissipation and protection. A connecting shell 7 is fixedly connected to the rear side of the protective box 1, which serves to connect the protective box 1 and the support column 8. The support column 8 runs through the connecting shell 7, providing stable support for the entire device so that it can be firmly installed on the ground or other foundation. The support column 8 is connected to the connecting shell 7 through a bearing, so that the connecting shell 7 can rotate flexibly around the support column 8. A horizontal rotation drive component 9 is installed inside the connecting shell 7 to provide power for the horizontal rotation of the protective box 1 and realize directional adjustment. Specifically, the sealed box door 3 is equipped with an observation window 10 and a handle 11. The observation window 10 allows observation of the operating status of the internal irrigation controller body 2 without opening the sealed box door 3, which is convenient and quick. The handle 11 facilitates the opening and closing of the sealed box door 3. Furthermore, the heat dissipation component 4 includes an intake fan 41 installed at the bottom of the protective box 1, which actively exhausts cold air into the protective box 1 to accelerate air circulation and improve heat dissipation efficiency. The top of the protective box 1 is fixedly connected to a rain shelter trapezoidal seat 42, which can not only block rainwater and prevent rainwater from entering the protective box 1, but also connect the inner cavity of the rain shelter trapezoidal seat 42 to the inner cavity of the protective box 1, ensuring that hot air can smoothly enter the rain shelter trapezoidal seat 42 and be discharged. The front and rear sloping side walls of the rain shelter trapezoidal seat 42 are provided with air outlets 43 as channels for hot air to be discharged. The sloping design reduces the direct entry of rainwater. A mesh 44 is provided inside the air outlet 43 to block external debris, insects, etc. from entering the interior of the protective box 1. Furthermore, a first dustproof net 12 is installed inside the ventilation slot 5 to filter dust in the air entering through the ventilation slot 5, reducing dust contamination of internal components. A second dustproof net 13 is provided below the inlet fan 41 to prevent dust from entering the protective box 1 from the inlet fan 41, thus protecting the inlet fan 41 and internal components. It is worth noting that the ventilation control component 6 includes an electric telescopic rod 61 installed inside the protective box 1, which provides power to drive the movement of subsequent components. The piston rod of the electric telescopic rod 61 is connected to a movable horizontal plate 62, which transmits the power of the electric telescopic rod 61 to the connecting plates 63 at both ends. The two ends of the movable horizontal plate 62 are fixedly connected to the connecting plates 63, which connect the movable horizontal plate 62 and the baffle 64 to realize the transmission of force. The top of the connecting plate 63 is fixedly connected to the baffle 64, which controls the airflow by opening and closing the ventilation slot 5. When needed, the ventilation slot 5 is closed to block rainwater and dust. The position and structure of the baffle 64 match the ventilation slot 5 to ensure that the baffle 64 can accurately cover or open the ventilation slot 5. It is worth noting that the baffle 64 slides against the inner wall of the outer protective box 1 of the ventilation slot 5 to ensure smooth movement of the baffle 64 and improve the sealing effect. A sealing strip is provided between the baffle 64 and the inner wall of the protective box 1 to enhance the sealing performance when the baffle 64 is closed and further prevent rainwater and dust from entering. It is worth mentioning that the horizontal rotation drive assembly 9 includes a gear ring 91 fixed on the support column 8, which cooperates with the gear 92 to realize transmission. The gear ring 91 is meshed with the gear 92, which transmits the power of the drive motor 93 to the gear ring 91, driving the connecting shell 7 and the protective box 1 to rotate. The gear 92 is connected to the drive motor 93 through the motor shaft. The drive motor 93 is installed in the connecting shell 7, which fixes the drive motor 93 and ensures its stable operation.
[0019] Among them, the irrigation controller body 2, the inlet fan 41, the electric telescopic rod 61, and the drive motor 93 are existing technologies and will not be described in detail; at the same time, this utility model also includes a power supply, a controller, and a switch, which are not the main technical points of this patent and will not be described in detail.
[0020] Working principle and process: When the irrigation controller is working, the main body 2 of the irrigation controller operates inside the protective box 1. The sealed box door 3 is closed to ensure the airtightness of the protective box 1. The sealed box door 3 can be opened through the handle 11. The observation window 10 facilitates observation of the internal status. When heat dissipation is required, the intake fan 41 at the bottom of the protective box 1 in the heat dissipation assembly 4 is activated, and outside air enters the protective box 1. The hot air is discharged through the air outlet 43 on the front and rear inclined surfaces of the rain-proof trapezoidal base 42 on the top of the protective box 1. The mesh 44 prevents debris from entering, the rain-proof trapezoidal base 42 prevents rainwater from entering, and the second dustproof net below the intake fan 41... 13 can also block dust. The ventilation control component 6 can extend and retract via the electric telescopic rod 61, driving the moving horizontal plate 62, connecting plate 63 and baffle 64 to move, so that the baffle 64 slides against the inner wall of the protective box 1 to open and close the ventilation slot 5, thereby realizing the adjustment of ventilation volume. When the drive motor 93 in the horizontal rotation drive component 9 starts, the gear 92 meshes with the gear ring 91 to drive the connecting shell 7 to drive the protective box 1 to rotate horizontally around the support column 8, thereby adjusting the orientation of the protective box 1 to adapt to the wind direction and other environmental requirements, so that the airflow can quickly pass through the ventilation slot 5 to enhance the heat dissipation effect or reduce power consumption.
[0021] 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.
[0022] 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. An irrigation controller, comprising a protective box (1), characterized in that: The protective box (1) is equipped with an irrigation controller body (2), a sealed box door (3) is installed on the front side of the protective box (1), a heat dissipation component (4) is installed on the protective box (1), ventilation slots (5) are opened on the left and right sides of the protective box (1), a ventilation control component (6) is installed in the protective box (1) at the position corresponding to the ventilation slots (5), a connecting shell (7) is fixedly connected to the rear side of the protective box (1), a support column (8) runs through the connecting shell (7), the support column (8) is connected to the connecting shell (7) through a bearing, and a horizontal rotation drive component (9) is provided inside the connecting shell (7).
2. An irrigation controller according to claim 1, characterized in that: The sealed box door (3) is provided with an observation window (10) and a handle (11).
3. An irrigation controller according to claim 1, characterized in that: The heat dissipation assembly (4) includes an intake fan (41) installed at the bottom of the protective box (1). A rainproof trapezoidal seat (42) is fixedly connected to the top of the protective box (1). The inner cavity of the rainproof trapezoidal seat (42) is connected to the inner cavity of the protective box (1). An air outlet (43) is provided on the front and rear inclined side walls of the rainproof trapezoidal seat (42). A mesh (44) is provided inside the air outlet (43).
4. An irrigation controller according to claim 3, characterized in that: A first dustproof net (12) is installed inside the ventilation slot (5), and a second dustproof net (13) is provided below the air intake fan (41).
5. An irrigation controller according to claim 1, characterized in that: The ventilation control assembly (6) includes an electric telescopic rod (61) installed in the protective box (1). The piston rod of the electric telescopic rod (61) is connected to a movable horizontal plate (62). Both ends of the movable horizontal plate (62) are fixedly connected to connecting plates (63). The top of the connecting plate (63) is fixedly connected to a baffle (64). The position structure of the baffle (64) matches the ventilation slot (5).
6. An irrigation controller according to claim 5, characterized in that: The baffle (64) slides against the inner wall of the outer protective box (1) of the ventilation slot (5), and a sealing strip is provided between the baffle (64) and the inner wall of the protective box (1).
7. An irrigation controller according to claim 1, characterized in that: The horizontal rotation drive assembly (9) includes a gear ring (91) fixed on a support column (8), the gear ring (91) being meshed with a gear (92), the gear (92) being connected to a drive motor (93) via a motor shaft, and the drive motor (93) being installed inside the connecting housing (7).