control box

Abstract

This utility model discloses a control box, including a lower box and an upper box that cooperate with each other. The lower box has a first groove and a first protrusion on its contact side; the upper box has a second groove and a second protrusion on its contact side. During assembly, the first protrusion is located within the second groove, and the second protrusion is located within the first groove. The lower box has an air pipe connection port on its outer side, containing an air pipe connector for connecting to external equipment to detect liquid level and hydraulic pressure. The lower box contains a fixing plate and a solenoid valve mounting seat. A mounting plate is mounted on the fixing plate, and an integrated circuit board and a battery are mounted on opposite sides of the mounting plate. The solenoid valve is mounted on the solenoid valve mounting seat, and a negative pressure switch and a liquid level switch are mounted inside the lower box. A first sealing ring and a second sealing ring are respectively provided in the first and second grooves, forming a double seal in conjunction with the arc-shaped protrusion. Both the lower and upper box have U-shaped mounting openings on their outer sides. This utility model has the advantages of high integration, high protection level, and convenient installation and maintenance.

Description

Technical Field

[0001] This utility model relates to the field of drainage system control equipment technology, and in particular to a control box. Background Technology

[0002] The main equipment of a negative pressure drainage system includes a collector, a cleaning and testing station, and a negative pressure station. The negative pressure collector contains a control unit and a collection unit. Existing control units typically consist of a pilot valve, sensor, integrated circuit, power supply, and housing. However, current control units generally suffer from low integration and inadequate protection levels, leading to difficulties in quality control during production, inconvenience in later maintenance and repair, and susceptibility to damage during long-term outdoor use, thus affecting the system's stability and lifespan. Utility Model Content

[0003] To overcome the above-mentioned shortcomings, the purpose of this utility model is to solve the problems of low integration, low protection level, difficult operation and maintenance, and easy damage of the control unit in the prior art, and to provide a control box with high integration, good protection performance, and easy installation and maintenance.

[0004] This utility model discloses a control box, in which a control component is installed. The control box includes a lower box and an upper box that cooperate with each other. The side of the lower box that contacts the upper box has a first groove, and the outer side of the first groove has a first protrusion. The side of the upper box that contacts the lower box has a second groove, and the inner side of the second groove has a second protrusion. When the lower box and the upper box are installed, the first protrusion is located in the second groove, and the second protrusion is located in the first groove. The outer side of the lower box has an air pipe connection port for connecting to peripheral equipment. The air pipe connection port has an air pipe connector. The control component is connected to the peripheral equipment through the air pipe connector to detect the external liquid level and hydraulic pressure.

[0005] In one or more embodiments of this utility model, the lower box is provided with a fixing plate for installing control components and a solenoid valve mounting seat, and the fixing plate is mounted with a mounting plate along the height direction of the control box.

[0006] In one or more embodiments of this utility model, the control component includes a solenoid valve, an integrated circuit board, and a battery. The solenoid valve is mounted on a solenoid valve mounting base, the integrated circuit board is mounted on one side of the mounting plate, and the battery is mounted on the other side of the mounting plate.

[0007] This utility model achieves a high degree of integration of control components such as solenoid valves, integrated circuit boards, batteries, negative pressure switches, and liquid level switches through the ingenious design of the fixing plate, solenoid valve mounting base, and mounting plate. The structure is compact and facilitates production and subsequent maintenance.

[0008] In one or more embodiments of the present invention, the control component further includes a negative pressure switch and a liquid level switch, which are installed in the lower housing.

[0009] In one or more embodiments of this utility model, a first sealing ring is provided in the first groove, and the cross section of the side of the second protrusion that contacts the first sealing ring and the first groove is arc-shaped.

[0010] In one or more embodiments of this utility model, a second sealing ring is provided in the second groove, and the cross section of the side of the first protrusion that contacts the second sealing ring and the second groove is arc-shaped.

[0011] In one or more embodiments of this utility model, the outer sides of both the lower box and the upper box are provided with mounting ports for fixing the control box, and the mounting ports are configured as U-shaped mounting ports.

[0012] In one or more embodiments of this utility model, the peripheral device includes a negative pressure source, a liquid level sensing conduit, and a shut-off valve, and the air pipe connector is connected to the negative pressure source, the liquid level sensing conduit, and the shut-off valve execution chamber, respectively.

[0013] In this invention, the tracheal connector inside the tracheal connection port can be directly connected to the negative pressure source, the liquid level sensing conduit, and the shut-off valve execution chamber, simplifying external connections and improving installation efficiency.

[0014] In one or more embodiments of this utility model, the tracheal connection port is provided with a plurality of U-shaped openings and protrusions spaced along the axial direction for the fixed installation of the control box.

[0015] This utility model features a U-shaped mounting port, which facilitates the fixed installation of the control box. At the same time, the U-shaped port and protrusion on the air pipe connection port also provide additional fixed installation methods, enhancing the flexibility and stability of the installation.

[0016] The beneficial effects of this utility model are: the male and female interface structure formed by the first groove, the first protrusion, the second groove and the second protrusion between the lower box and the upper box achieves a good sealing connection of the box, improves the protection level and effectively protects the internal control components.

[0017] This invention combines a first sealing ring in the first groove and a second sealing ring in the second groove, and sets the cross-sections of the second protrusion and the first protrusion in contact with the sealing ring and the groove to be arc-shaped, which further enhances the sealing performance and waterproof and dustproof capabilities of the box, and extends the service life of the product.

[0018] The overall design of this utility model solves the problems of low integration, low protection level, difficult operation and maintenance, and easy damage of existing control units, thereby improving the stability and reliability of the product. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the control box in one embodiment of the present invention; Figure 2 This is a schematic diagram of the lower box body in one embodiment of the present invention; Figure 3 This is a schematic diagram of the upper box body in one embodiment of the present invention; Figure 4 This is a schematic diagram (a) of the structure of the control component inside the box in one embodiment of the present invention; Figure 5 This is a schematic diagram (II) of the structure of the control component inside the box in one embodiment of the present invention.

[0020] In the figure: lower box 100, upper box 200, first groove 1, first sealing ring 101, first protrusion 2, fixing piece 3, solenoid valve mounting seat 4, second groove 5, second sealing ring 501, second protrusion 6, mounting port 7, air pipe connector 8, air pipe connection port 9, mounting plate 10, solenoid valve 11, integrated circuit board 12, battery 13, negative pressure switch 14, liquid level switch 15, fixing screw 16. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solutions of this utility model, 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 embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0022] In the description of this utility model, it should be understood that the terms "vertical", "horizontal", "top", "bottom", "upper", "lower", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] It should be noted that, unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0024] See appendix Figures 1-5 As shown, this utility model provides a control box, in which control components are installed.

[0025] In a further embodiment, the control box includes a lower box body 100 and an upper box body 200 that cooperate with each other. A first groove 1 is provided on the side of the lower box body 100 that contacts the upper box body 200, and a first protrusion 2 is provided on the outer side of the first groove 1. A second groove 5 is provided on the side of the upper box body 200 that contacts the lower box body 100, and a second protrusion 6 is provided on the inner side of the second groove 5. When the lower box body 100 and the upper box body 200 are installed, the first protrusion 2 is located within the second groove 5, and the second protrusion 6 is located within the first groove 1, forming a male-female interface-like fit, effectively preventing external moisture and dust from entering the box interior.

[0026] To further improve sealing performance, a first sealing ring 101 is provided within the first groove 1. The cross-section of the side of the second protrusion 6 that contacts the first sealing ring 101 and the first groove 1 is preferably arc-shaped to ensure a tighter press-fit contact. Simultaneously, a second sealing ring 501 is provided within the second groove 5, and the cross-section of the side of the first protrusion 2 that contacts the second sealing ring 501 and the second groove 5 is also preferably arc-shaped. This double sealing ring and arc-shaped cross-section design significantly enhances the waterproof and dustproof rating of the control box, enabling it to operate stably and reliably in harsh outdoor environments for extended periods.

[0027] In a further embodiment, the lower housing 100 has an air pipe connection port 9 on its outer side for connecting to peripheral equipment, and an air pipe connector 8 is provided inside the air pipe connection port 9. The control component is connected to the peripheral equipment through the air pipe connector 8 to detect the liquid level and hydraulic pressure of the peripheral equipment in real time. The peripheral equipment typically includes a negative pressure source, a liquid level sensing conduit, and a shut-off valve. The air pipe connector 8 can be connected to the negative pressure source, the liquid level sensing conduit, and the shut-off valve's execution chamber respectively, realizing the detection and control of multiple signals. For the fixed installation of the control box, the air pipe connection port 9 is provided with several sets of U-shaped openings and protrusions at intervals along the axial direction, which can be used with corresponding fixing structures for installation.

[0028] In a further embodiment, the lower housing 100 is provided with a fixing plate 3 for mounting control components and a solenoid valve mounting seat 4. A mounting plate 10 is mounted on the fixing plate 3 along the height direction of the control box. The mounting plate 10 is provided with a U-shaped opening and a limiting piece for assisting positioning and installation.

[0029] In a further embodiment, the control assembly includes a solenoid valve 11, an integrated circuit board 12, and a battery 13. The solenoid valve 11 is mounted on a solenoid valve mounting base 4 using fixing screws 16, which serves as a stable support base for the solenoid valve. The integrated circuit board 12 is mounted on one side of the mounting plate 10 and is mainly responsible for signal processing, logic control, and power management functions. The battery 13 is mounted on the other side of the mounting plate 10 and provides power to the entire control assembly.

[0030] In a further embodiment, the control assembly also includes a negative pressure switch 14 and a level switch 15. The negative pressure switch 14 and the level switch 15 are also installed within the lower housing 100 and are typically electrically connected to the solenoid valve 11 and the integrated circuit board 12 via wires.

[0031] Specifically, the solenoid valve 11 is mounted on the solenoid valve mounting base 4, and its valve body typically has an interface for connecting an air pipe. The negative pressure switch 14 and the level switch 15 are mounted in reserved positions within the lower housing 100 and are electrically connected to the corresponding input ports on the integrated circuit board 12 via wires for real-time acquisition of negative pressure and level signals. The air pipe connector 8 is connected to the air inlets of the solenoid valve 11, negative pressure switch 14, and level switch 15 via an internal air path, thereby introducing air path signals from the external negative pressure source, level sensing conduit, and shut-off valve execution chamber to the sensing and control elements inside the control box. The integrated circuit board 12 is mounted on one side of the mounting plate 10, serving as the core control unit of the entire control box, and integrates a microprocessor, memory, communication module, and drive circuitry. The battery 13 is mounted on the other side of the mounting plate 10 and is connected to the power input terminal of the integrated circuit board 12 via a power cord, providing it with DC power. The control line of the solenoid valve 11 is connected to the output drive port of the integrated circuit board 12. Based on the input signals from the negative pressure switch 14 and the level switch 15, and the preset control logic, the integrated circuit board 12 controls the opening and closing of the solenoid valve 11 through the drive circuit, thereby controlling the opening and closing of the external air path and realizing the regulation and detection of liquid level and hydraulic pressure. All electrical connections between internal components are completed through wires and are properly wired to ensure the stability and reliability of signal transmission. It should be noted that the specific structure or circuit structure of the control component or control element in this invention is prior art, and therefore is not described in detail in this embodiment.

[0032] In a further embodiment, both the lower housing 100 and the upper housing 200 are provided with mounting ports 7 on their outer sides for fixing the control box. The mounting ports 7 are U-shaped, which makes it convenient for users to fix the control box to the wall or bracket with screws or other fasteners, improving the convenience and flexibility of installation.

[0033] The integrated and modular design of this control box not only facilitates production and assembly but also significantly reduces the difficulty of later maintenance and replacement. Its high protection level allows the product to adapt to a wider range of application environments, improving the overall system's reliability and lifespan.

[0034] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. A control box in which a control assembly is installed, characterized by, The control box includes a lower box body (100) and an upper box body (200) that cooperate with each other. The side of the lower box body (100) that contacts the upper box body (200) is provided with a first groove (1) and a first protrusion (2) is provided on the outside of the first groove (1). The side of the upper box body (200) that contacts the lower box body (100) is provided with a second groove (5) and a second protrusion (6) is provided on the inside of the second groove (5). When the lower box body (100) and the upper box body (200) are installed, the first protrusion (2) is located in the second groove (5) and the second protrusion (6) is located in the first groove (1). The lower box body (100) is provided with an air pipe connection port (9) for connecting with peripheral equipment on the outside. An air pipe connector (8) is provided in the air pipe connection port (9). The control component is connected to the peripheral equipment through the air pipe connector (8) to detect the liquid level and hydraulic pressure of the periphery.

2. A control box according to claim 1, wherein, The lower box (100) is provided with a fixing plate (3) for installing control components and a solenoid valve mounting seat (4). The fixing plate (3) is equipped with a mounting plate (10) along the height direction of the control box.

3. A control box according to claim 2, wherein, The control components include a solenoid valve (11), an integrated circuit board (12), and a battery (13). The solenoid valve (11) is mounted on a solenoid valve mounting base (4), the integrated circuit board (12) is mounted on one side of the mounting plate (10), and the battery (13) is mounted on the other side of the mounting plate (10).

4. A control box according to claim 3, wherein, The control assembly also includes a negative pressure switch (14) and a liquid level switch (15), which are installed inside the lower housing (100).

5. The control box of claim 1, wherein, The first groove (1) is provided with a first sealing ring (101), and the cross section of the second protrusion (6) that contacts the first sealing ring (101) and the first groove (1) is arc-shaped.

6. A control box according to claim 1, wherein, The second groove (5) is provided with a second sealing ring (501), and the cross section of the side of the first protrusion (2) that contacts the second sealing ring (501) and the second groove (5) is arc-shaped.

7. A control box according to claim 1, wherein, The lower box (100) and the upper box (200) are both provided with mounting ports (7) for fixing the control box on their outer sides. The mounting ports (7) are configured as U-shaped mounting ports.

8. The control box of claim 1, wherein, The peripheral equipment includes a negative pressure source, a liquid level sensing conduit, and a shut-off valve. The air pipe connector is connected to the negative pressure source, the liquid level sensing conduit, and the shut-off valve's execution chamber, respectively.

9. The control box of claim 1, wherein, The tracheal connection port (9) is provided with several sets of U-shaped openings and protrusions at axial intervals for the fixed installation of the control box.

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