A rain and sewage mixed flow detection device for a manhole

Abstract

The utility model relates to rain and sewage mixed flow detection technical field, concretely relates to a rain and sewage mixed flow detection device for inspection well, including sealed first cover and second cover, first cover and second cover inside are provided with accommodating cavity, are used for accommodating installation detection module, detection module includes power supply unit and electronic detection unit of electricity connection, the accommodating cavity is filled with colloid, and the colloid at least sealed covers all exposed surface of electronic detection unit. The utility model will assemble detection module in the cavity that first cover and second cover sealed buckle form, compact structure, whole volume is small, and the cost is low, first cover and second cover adopt polyamide material, and the strength is big, and the waterproof property is good. In the cavity, glue is filled, and the colloid seals electronic detection unit, avoids corrosion, and all exposed working holes of first cover and second cover are sealed through the colloid, improve equipment waterproof property, multiple waterproof and moistureproof, prolong the service life of detection equipment.

Description

Technical Field

[0001] This utility model relates to the field of rainwater and sewage mixed flow detection technology, and in particular to a rainwater and sewage mixed flow detection device for manholes. Background Technology

[0002] Urban construction, especially the planning of new and old buildings, often involves the mixing and disorderly discharge of sewage from residential buildings with municipal underground water pipes. This can lead to the pollution of surface water bodies directly connected to the sewers, and may even cause eutrophication or foul odors in urban rivers, affecting residents' lives.

[0003] By monitoring the internal sewers of manholes with rainwater and sewage detection equipment, rainwater and sewage in mixed-flow pipes can be identified and discharged separately, reducing the pressure on urban sewage treatment.

[0004] In existing technologies, the detection and analysis equipment is relatively large and placed on the ground, communicating with the detection module lowered into the well for short-term detection when needed. Alternatively, the outer shell is discarded, and the core detection module is placed directly underground, sealed with a waterproof protective shell or sealing rings for waterproofing. Although the water level in the well is variable, the environment is complex, with high humidity, and moisture can easily penetrate into the protective structure, leading to corrosion of the circuit board structure of the detection module. Therefore, while existing technologies allow the detection structure to be placed directly underground for long-term monitoring, its lifespan is short due to moisture, requiring regular checks and replacements, and cannot meet the needs of long-term stable monitoring.

[0005] Based on the problems in the existing technology, this utility model provides a rainwater and sewage mixing detection device for manholes. Utility Model Content

[0006] The purpose of this utility model is to provide a rainwater and sewage mixed flow detection device for manholes, so as to solve the technical problems in the prior art where the rainwater and sewage mixed flow detection device is large in size, cannot be moisture-proof, resulting in short equipment life and failure to meet the requirements of long-term stable monitoring.

[0007] The technical solution of this utility model is: a rainwater and sewage mixing detection device for manholes, including a first cover and a second cover that are sealed and fastened together, and the first cover and the second cover are provided with a receiving cavity for accommodating and installing a detection module; The detection module includes a power supply unit and an electronic detection unit that are electrically connected; the cavity is filled with a colloid, which at least seals and covers all exposed surfaces of the electronic detection unit.

[0008] Preferably, the power supply unit and the electronic detection unit are electrically connected via a lead wire unit. The lead wire unit is provided with a lead wire extending to the outside of the first cover or the second cover to connect to the detection terminal. The side wall of the first cover or the second cover is provided with a working hole for the lead wire to pass through. The working hole is sealed by a waterproof screw or by potting glue.

[0009] Preferably, the receiving cavity includes a power supply compartment, a wiring compartment, and an electronic testing compartment; The central axis of the wiring compartment is parallel to the central axis of the power supply compartment, and the electronic testing compartment is arranged side by side with the power supply compartment.

[0010] Preferably, the electronic detection compartment is disposed within the first cover, the power supply compartment and the wiring compartment are disposed within the second cover, and the power supply compartment and the wiring compartment are separated by a partition. With the first and second covers engaged, the electronic testing compartment is connected to the wiring compartment and the power supply compartment.

[0011] Preferably, the leads on the wiring compartment extend out of the second cover body through the side wall of the second cover body.

[0012] Preferably, the first cover and the second cover are made of polyamide material.

[0013] Preferably, the colloid is made of flexible epoxy resin.

[0014] Preferably, the mating joint between the first cover and the second cover is sealed with a sealing ring.

[0015] Preferably, the first cover and the second cover are fastened together by an assembly plate; the assembly plate is fixedly connected to the first cover or the second cover by fasteners.

[0016] Preferably, a display window is provided on the first cover, the display window is sealed with transparent tempered glass, and a display screen is assembled in the inner cavity of the first cover.

[0017] Compared with the prior art, the advantages of this utility model are: This invention seals the detection module within the cavity formed by the interlocking of a first cover and a second cover. Both covers are made of polyamide, offering high strength and excellent water resistance. When the first and second covers are sealed together using sealing rings, adhesive is injected into the internal cavity, covering at least all exposed surfaces of the electronic detection unit. All exposed working holes on both covers are sealed with adhesive, improving the device's water resistance and moisture protection, preventing corrosion of the circuit board structure of the internal detection module. This multi-layered waterproofing and moisture protection extends the lifespan of the detection equipment. When installed and secured underground, the equipment can be used for two years or more.

[0018] The internal power supply unit, electronic detection unit, and lead wire unit of the detection device are rationally laid out and compactly structured. The overall size of the detection device is small and the cost is low. When installed in the narrow space inside the manhole, the contact area with external water or humid environment is small, which further improves the waterproof and moisture-proof effect. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 A three-dimensional structural schematic diagram of the combined sewer and stormwater detection device provided by this utility model; Figure 2 A schematic diagram of the working hole on the rainwater and sewage mixed flow detection device provided by this utility model; Figure 3 An exploded structural diagram of the combined sewer and stormwater detection device provided by this utility model; Figure 4 A cross-sectional schematic diagram of the rainwater and sewage mixed flow detection device provided by this utility model; Wherein: 1. First cover; 2. Second cover; 3. Detection module; 4. Receiving cavity; 5. Colloid; 6. Assembly plate; 7. Display window; 31. Power supply unit; 32. Electronic detection unit; 33. Lead wire unit; 40. Partition; 41. Power supply compartment; 42. Electronic testing compartment; 43. Wiring compartment; 100. Working hole. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to specific embodiments: As attached Figure 1 As shown, this utility model provides a rainwater and sewage mixing detection device for manholes, including a first cover 1 and a second cover 2 that fasten together, the mating joint of the first cover 1 and the second cover 2 being sealed by a sealing rubber ring. (See attached diagram) Figure 4 As shown in the cross-sectional schematic diagram provided in the example, a receiving cavity 4 is provided inside the first cover 1 and the second cover 2 for accommodating and installing the detection module 3. The receiving cavity 4 is filled with a colloid 5, which at least seals and covers all exposed surfaces of the electronic detection unit 32. The colloid is made of flexible epoxy resin, which provides good sealing and insulation, is stress-free, and effectively protects the detection module 3.

[0021] The first cover 1 and the second cover 2 are made of polyamide material, such as polyhexamethylene adipamide (commonly known as nylon-66), which is insoluble in common solvents, has high hardness, high rigidity, and high mechanical strength. In the downhole environment, it can not only protect the internal detection module 3 but also be waterproof and moisture-proof.

[0022] The first cover 1 and the second cover 2, after being fastened together, are installed and fixed to the downhole equipment or well wall by the assembly plate 6; see appendix. Figure 1 Or attached Figure 2 The assembly plate 6 is fixedly connected to the first cover 1 or the second cover 2 by fasteners (not shown in the attached drawings). The fasteners include bolts, nuts, and pins.

[0023] See attached document Figure 1 As shown, a display window 7 is provided on the first cover 1. The display window 7 is sealed by transparent tempered glass. A display screen is installed in the inner cavity of the first cover 1 to display electronic detection information.

[0024] As attached Figure 4 As shown, the detection module 3 includes a power supply unit 31 and an electronic detection unit 32 electrically connected. The power supply unit 31 is a battery, selected with a large capacity and a size that allows it to reach the installation location through the manhole pipe. This ensures a long-term power supply for the electronic detection unit. The electronic detection unit 32 is a packaged circuit board module for data acquisition and processing.

[0025] The detection module 3 also includes a lead wire unit 33. The wiring of the lead wire unit 33 includes connecting wires, signal lines, and an antenna. The signal lines and antenna extend to the outside of the first cover 1 or the second cover 2. The signal lines are connected to detection devices used for detecting water, such as water quality monitoring sensors (including pH sensors and dissolution sensors), flow monitoring sensors (such as electromagnetic flowmeters), pressure sensors, liquid level sensors, residual chlorine sensors, and chemical oxygen demand sensors. The sensors are used in combination according to specific needs. For example, in a manhole pipe, water quality, flow, and pressure detection sensors can be deployed simultaneously to achieve real-time monitoring of multiple parameters.

[0026] The side wall of the first cover 1 or the second cover 2 is provided with a working hole 100 for the lead wire to pass through. After the lead wire is assembled, the working hole 100 is sealed by a waterproof screw or by potting.

[0027] The testing device is small in size. After assembly and sealing with glue, it is waterproof and moisture-proof, and its service life can reach two years.

[0028] Specifically, see Appendix Figure 3 As shown, the receiving cavity 4 includes a power supply compartment 41, a wiring compartment 43, and an electronic testing compartment 42. The electronic testing compartment 42 is used to house the electronic testing unit. The central axis of the wiring compartment 43 is parallel to the central axis of the power supply compartment 41, and the electronic testing compartment 42 and the power supply compartment 41 are arranged side by side. During application implementation, the wiring compartment 43, the electronic testing compartment 42, and the power supply compartment 41 are arranged according to the assembly and connection requirements of the electronic testing unit 32, the power supply unit 31, and the lead wire unit 33.

[0029] The layout of the electronic detection unit 32, power supply unit 31 and lead wire unit 33 can take many forms to meet the assembly and connection requirements.

[0030] In one embodiment, the electronic detection unit 32 and the power supply unit 31 are assembled side by side, and the lead wire unit 33 is arranged between the electronic detection unit 32 and the power supply unit 31, or the electronic detection unit 32 is arranged between the lead wire unit 33 and the power supply unit 31.

[0031] The power supply compartment 41, wiring compartment 43, and electronic detection compartment 42 are connected. The detection device is cylindrical in shape and suitable for downhole spaces with small radial dimensions. The receiving cavity 4 is filled with colloid to protect the internal detection module 3, making it waterproof and moisture-proof.

[0032] In another embodiment or other implementation, details are provided as shown in the appendix. Figure 4 As shown, the electronic testing compartment 42 is disposed within the first cover 1. After assembly, the electronic testing compartment 42 is filled with adhesive to seal and protect the electronic testing unit 32. The power supply compartment 41 and the wiring compartment 43 are disposed within the second cover 2, and the power supply compartment 41 and the wiring compartment 43 are separated by a partition 40. (Refer to the attached diagram.) Figure 2 As shown, after the first cover 1 and the second cover 2 are fastened together, the whole structure forms an L-shape. The wiring compartment 43 is located on one side of the short arm of the L-shape, and the lead wires on the wiring compartment 43 extend through the side wall of the second cover 2 to the outside of the second cover 2. A working hole 100 for the lead wires to pass through is provided on the second cover 2. After the lead wires are assembled, the working hole 100 is sealed by a waterproof screw or by potting glue. When the first cover 1 and the second cover 2 are fastened together, the electronic detection compartment 42, the wiring compartment 43, and the power supply compartment 41 are connected.

[0033] The leads are led out directly from the second cover 2, instead of being led out from the circuit board of the electronic detection unit 32, saving space, making the structure more compact, and reducing the size of the device.

[0034] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore, all changes falling within the meaning and scope of the equivalents of the claims are intended to be included within this utility model.

Claims

1. A device for detecting combined sewer overflow in manholes, characterized in that, It includes a first cover (1) and a second cover (2) that are sealed together. The first cover (1) and the second cover (2) are provided with a receiving cavity (4) for accommodating the installation of the detection module (3). The detection module (3) includes a power supply unit (31) and an electronic detection unit (32) that are electrically connected; the cavity is filled with a colloid (5), which at least seals and covers all exposed surfaces of the electronic detection unit (32).

2. The rainwater and sewage mixing detection device for manholes according to claim 1, characterized in that, The power supply unit (31) and the electronic detection unit (32) are electrically connected through the lead wire unit (33). The lead wire unit (33) is provided with a lead wire extending to the outside of the first cover (1) or the second cover (2) to connect to the detection terminal. The side wall of the first cover (1) or the second cover (2) is provided with a working hole (100) for the lead wire to pass through. The working hole (100) is sealed by a waterproof screw or by potting.

3. A device for detecting combined sewer overflow in manholes according to claim 2, characterized in that, The receiving cavity (4) includes a power supply compartment (41), a wiring compartment (43), and an electronic testing compartment (42); The central axis of the wiring compartment (43) is parallel to the central axis of the power supply compartment (41), and the electronic detection compartment (42) is arranged side by side with the power supply compartment (41).

4. A device for detecting combined sewer overflow in manholes according to claim 3, characterized in that, The electronic detection compartment (42) is located inside the first cover (1), the power supply compartment (41) and the wiring compartment (43) are located inside the second cover (2), and the power supply compartment (41) and the wiring compartment (43) are separated by a partition (40); When the first cover (1) and the second cover (2) are engaged, the electronic detection compartment (42) is connected to the wiring compartment (43) and the power supply compartment (41).

5. A device for detecting combined sewer overflow in manholes according to claim 4, characterized in that, The lead wires on the wiring compartment (43) extend through the side wall of the second cover (2) to the outside of the second cover (2).

6. A device for detecting combined sewer overflow in manholes according to claim 2, characterized in that, The first cover (1) and the second cover (2) are made of polyamide material.

7. A device for detecting combined sewer overflow in manholes according to claim 1, characterized in that, The colloid (5) is made of flexible epoxy resin.

8. A device for detecting combined sewer overflow in manholes according to claim 6, characterized in that, The mating joint of the first cover (1) and the second cover (2) is sealed by a sealing ring.

9. A device for detecting combined sewer overflow in manholes according to claim 1, characterized in that, The first cover (1) and the second cover (2) are fastened together and fixed by the assembly plate (6); the assembly plate (6) is fixedly connected to the first cover (1) or the second cover (2) by fasteners.

10. A device for detecting combined sewer overflow in manholes according to claim 1, characterized in that, A display window (7) is provided on the first cover (1), the display window (7) is sealed by transparent tempered glass, and a display screen is assembled in the inner cavity of the first cover (1).

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