Foam sensor wire harness

By designing a floating plate and cleaning assembly for the foam sensor wiring harness, residual foam at the bottom of the foam sensor is automatically cleaned, solving the problem of residual foam affecting detection accuracy after detection and improving the stability and service life of the sensor.

CN224034684UActive Publication Date: 2026-03-24CHANGZHOU CHUNJIE ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing foam sensors often leave foam residue after detection, which affects the accuracy of subsequent detections, causes data deviations, and may lead to sensor failure and shorten its service life.

Method used

A foam sensor wiring harness was designed, comprising a floating plate, a cleaning assembly, and a guide channel. It utilizes an automatic liquid supply and nozzle to clean residual foam at the bottom of the foam sensor, and guides the cleaning liquid through the guide channel to ensure cleaning effectiveness.

Benefits of technology

It enables automated cleaning operations, reduces the labor intensity of operators, improves the accuracy of detection and the stability of sensors, and extends the service life of sensors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wire harnesses, and discloses a foam sensor wire harness which comprises a floating disc, a foam sensor is installed in the middle of the floating disc, a wire is installed at the top of the foam sensor, a connector is installed at the end, away from the foam sensor, of the wire, and a cleaning assembly is arranged at the bottom of the floating disc. The cleaning assembly is used for cleaning foam at the bottom end of the foam sensor; in the process that liquid falls into the device, the liquid is automatically stored from the water inlet, extra manual adding of the cleaning liquid is not needed, operation is convenient, and timely supply of the cleaning liquid is guaranteed; the cleaning process can be started by shifting the pressing block, the operation is simple, convenient and fast, and the labor intensity of operators is reduced; liquid is extruded by the movable plate to be sprayed out of the spray head, the bottom end of the foam sensor is specifically cleaned by means of the guide groove, and residual foam at the detection end can be effectively removed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wiring harness, concretely to a foam sensor wiring harness. BACKGROUND

[0002] As a key component connecting foam sensor and related control equipment, foam sensor wiring harness undertakes the dual responsibilities of signal transmission and power supply. It can convert the information such as the existence, concentration and height of foam detected by the sensor into electrical signals and accurately transmit them to the control unit or monitoring equipment, while stably supplying power for the sensor to ensure its normal operation, which is an important link to realize effective monitoring of foam.

[0003] Application No. 202220795402.5 discloses a waterproof angle sensor. Compared with the prior art, the device sets the sensor body inside the waterproof shell assembly through mounting studs, uses hydrophobic foam to isolate water vapor, and at the same time, the rubber gasket between the sensor body and the sealing bottom plate can isolate the water vapor in the direction of the sealing bottom plate. The sealing rubber sheet seals the shaft hole at the end of the protective shell, completely seals the space where the sensor body is located in multiple directions, and thus is more practical.

[0004] After the above-mentioned foam sensor completes detection, foam often remains at its detection end, which not only interferes with the accuracy of subsequent detection, causes detection data to deviate, and affects the judgment of the real state of foam, but also may cause sensor failure and shorten its service life. Therefore, we propose a foam sensor wiring harness. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a foam sensor wiring harness, which solves the problem that foam often remains at the detection end of the above-mentioned foam sensor after it completes detection, which not only interferes with the accuracy of subsequent detection, causes detection data to deviate, and affects the judgment of the real state of foam, but also may cause sensor failure and shorten its service life.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foam sensor wiring harness, comprising a floating disc, a foam sensor is installed in the middle of the floating disc, a wire is installed at the top of the foam sensor, a connector is installed at the end of the wire away from the foam sensor, and a cleaning assembly is arranged at the bottom of the floating disc, which cleans the foam at the bottom end of the foam sensor.

[0007] Preferably, a plurality of guide grooves are formed in the bottom of the floating disc, and the guide grooves are distributed in a circle.

[0008] Preferably, the cleaning assembly comprises a fixed box, a water inlet and a spray head, the fixed box is provided with two groups and symmetrically arranged at both sides of the bottom of the floating disc, the water inlet is arranged on the side wall of the fixed box, and the spray head is fixedly connected to the far end of the fixed box.

[0009] Preferably, the inner walls on both sides of the floating disc are slidably connected with connecting rods, and the bottom of each connecting rod is fixedly connected with a movable plate.

[0010] Preferably, the spring is movably sleeved on the outer wall of the connecting rod, and the position of the movable plate is higher than that of the water inlet.

[0011] Preferably, the top of the connecting rod is fixedly connected with a pull ring.

[0012] Preferably, the top of the floating disc is fixedly connected with a square box, the inner wall of the square box is slidably connected with a pressing block, one end of the pressing block is slidably connected to the inner wall of the square box, and the other end of the pressing block is inserted into the inner wall of the connecting rod.

[0013] Compared with the prior art, the foam sensor wire harness has the following beneficial effects:

[0014] 1. The foam sensor wire harness can automatically store liquid from the water inlet during the falling process of the device, without the need for additional manual addition of cleaning liquid, and can ensure the timely supply of cleaning liquid, and can start the cleaning process by pulling the pressing block, and can effectively remove the residual foam at the detection end, avoid the interference of residual foam on the subsequent detection accuracy, reduce the sensor failure caused by residual foam, and prolong the service life of the sensor.

[0015] 2. The foam sensor wire harness can make the foam sensor stably stay at the detection position through the floating disc, ensure the stability of the sensor during the detection process, facilitate the accurate detection of foam information by the sensor, and avoid the influence of position shaking and other factors on the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the bottom structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 It is Figure 3 the local enlarged schematic diagram of A in the utility model.

[0020] Fig. 1, floating disc; 2, foam sensor; 3, wire; 4, connector; 5, connecting rod; 6, pressing block; 7, square box; 8, guide groove; 9, pull ring; 10, fixed box; 11, water inlet; 12, spray head; 13, spring; 14, movable plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 A foam sensor wire harness, comprising a floating disc 1, a foam sensor 2 is installed in the middle of the floating disc 1, a wire 3 is installed at the top of the foam sensor 2, a connector 4 is installed at the end of the wire 3 away from the foam sensor 2, and a cleaning assembly is arranged at the bottom of the floating disc 1, which cleans the foam at the bottom end of the foam sensor 2. When the foam sensor 2 works, it detects the foam related information and converts it into an electrical signal, which is transmitted to the connector 4 through the wire 3. The cleaning assembly plays a role after detection is completed, and it cleans the residual foam at the bottom end of the foam sensor 2. When the cleaning assembly works, the liquid that falls into the liquid when the device falls into the fixed box 10 from the water inlet 11, and after detection is completed, the liquid is sprayed out from the spray head 12 through a specific operation, realizing the cleaning of the foam. The foam sensor 2 can be stably placed in the detection position through the floating disc 1, ensuring the stability of the sensor during the detection process, which is conducive to the accurate detection of the foam information by the sensor and avoids the influence of factors such as position shaking on the detection accuracy.

[0023] A plurality of guide grooves 8 are arranged at the bottom of the floating disc 1, and the guide grooves 8 are distributed in a circle. When the cleaning assembly works, the liquid sprayed from the spray head 12 flows along the guide grooves 8, cleaning the bottom end of the foam sensor 2. The guide grooves 8 play a role in guiding the flow direction of the liquid, enabling the cleaning liquid to impact the bottom end of the sensor more concentratedly and orderly, and the arrangement of the guide grooves 8 improves the cleaning efficiency and effect.

[0024] The cleaning assembly comprises a fixed box 10, a water inlet 11 and a spray head 12. The fixed box 10 is arranged symmetrically on both sides of the bottom of the floating disc 1, the water inlet 11 is arranged on the side wall of the fixed box 10, and the spray head 12 is fixedly connected to the end of the fixed box 10 away from the water inlet 11. After detection is completed, pressure is applied to the liquid in the fixed box 10, so that it is sprayed out from the spray head 12 fixedly connected to the end of the fixed box 10 away from the water inlet 11, for cleaning the bottom end of the foam sensor 2.

[0025] The inner wall of both sides of the floating disc 1 is slidably connected with a connecting rod 5, and the bottom of the connecting rod 5 is fixedly connected with a movable plate 14; the bottom of the floating disc 1 is fixedly connected with a spring 13 between the inner top wall of the fixed box 10, the spring 13 is movably sleeved on the outer wall of the connecting rod 5, and the position of the movable plate 14 is higher than that of the water inlet 11; when an upward or downward external force is applied to the connecting rod 5, the connecting rod 5 drives the movable plate 14 to move up and down in the floating disc 1; in the cleaning process, the connecting rod 5 is moved downward through specific operation, and the movable plate 14 extrudes the liquid in the fixed box 10; when the device falls into the liquid, the connecting rod 5 and the movable plate 14 move upward under the action of buoyancy and the like, and compress the spring 13; after detection is completed, when the pressing block 6 is separated from the connecting rod 5, the spring 13 is reset, drives the connecting rod 5 and the movable plate 14 to move downward, extrudes the liquid in the fixed box 10, and the position of the movable plate 14 is higher than that of the water inlet 11, so that when the liquid enters the fixed box 10, the movable plate 14 can normally move above and does not affect the liquid storage; in the process that the device falls into the liquid, the liquid is automatically reserved from the water inlet 11, and it is not necessary to manually add cleaning liquid, so that the operation is convenient, and the timely supply of cleaning liquid is ensured; the cleaning process can be started by pulling the pressing block 6, the operation is simple, convenient and fast, and the labor intensity of the operator is reduced; the liquid is extruded by the movable plate 14 and sprayed from the nozzle 12, and the bottom end of the foam sensor 2 is specifically cleaned by means of the guide groove 8, so that the residual foam at the detection end can be effectively removed, the subsequent detection accuracy is prevented from being interfered by the residual foam, the sensor failure caused by the residual foam is reduced, and the service life of the sensor is prolonged.

[0026] The top of the connecting rod 5 is fixedly connected with a pull ring 9; when it is necessary to manually adjust the position of the connecting rod 5, the operator can realize it by pulling the pull ring 9; in the cleaning process, if it is necessary to assist in adjusting the extrusion action of the movable plate 14, the connecting rod 5 can be pulled through the pull ring 9.

[0027] The top of the floating disc 1 is fixedly connected with a square box 7, the inner wall of the square box 7 is slidably connected with a pressing block 6, one end of the pressing block 6 is slidably connected with the inner wall of the square box 7, and the other end of the pressing block 6 is inserted into the inner wall of the connecting rod 5; when the pressing block 6 is pulled, one end thereof moves into the square box 7, and the other end thereof is separated from the inner wall of the connecting rod 5, so that the restriction on the connecting rod 5 is released, and the spring 13 can drive the connecting rod 5 and the movable plate 14 to move.

[0028] Structural description: 1, floating disc: as the basic bearing component of the whole device, the floating disc 1 floats on the water surface, provides a stable support platform for the foam sensor 2, ensures that the sensor can detect the foam at a suitable position, and at the same time, the fixed box 10 is symmetrically arranged at the bottom of both sides of the floating disc 1, and a plurality of circumferential guide grooves 8 are formed in the bottom, which are used for guiding the cleaning liquid to the bottom end of the foam sensor 2.

[0029] 2. Foam sensor: Installed in the middle of the floating plate 1, it is the core component for detecting foam-related information. When in operation, it converts the detected foam presence, concentration, height and other information into electrical signals, which are transmitted to the connector 4 through the wire 3, providing raw data for subsequent data analysis and processing.

[0030] 3. Wire: Connects foam sensor 2 and connector 4, responsible for transmitting the electrical signal generated by foam sensor 2 to connector 4. It is the key channel for signal transmission, ensuring that the detection information can be accurately transmitted to external devices.

[0031] 4. Connector: Located at the end of wire 3 furthest from foam sensor 2, it is used to connect to an external control unit or monitoring device to enable the device to interface with an external system, so that the signal detected by foam sensor 2 can be received and processed by the external device.

[0032] 5. Connecting rod: The connecting rod 5 is slidably connected to the inner walls of both sides of the floating plate 1, and the bottom of the connecting rod 5 is fixedly connected to the movable plate 14. During the cleaning process, by moving the connecting rod 5 up or down, the movable plate 14 is driven to squeeze the liquid in the fixed box 10, thereby cleaning the residual foam at the bottom of the foam sensor 2. The top is fixedly connected to the pull ring 9, which is convenient for the operator to manually adjust its position.

[0033] 6. Pressure block: One end is slidably connected to the inner wall of the square box 7, and the other end is inserted into the inner wall of the connecting rod 5. By moving the pressure block 6, one end moves into the square box 7, and the other end disengages from the inner wall of the connecting rod 5, releasing the restriction on the connecting rod 5, thereby triggering the spring 13 to drive the connecting rod 5 and the movable plate 14 to move, starting the cleaning process.

[0034] 7. Square box: It is fixedly connected to the top of the floating plate 1, and the inner wall is slidably connected to the pressure block 6, providing a sliding track for the pressure block 6, so that the pressure block 6 can accurately control the state of the connecting rod 5, thereby controlling the start of the cleaning component.

[0035] 8. Guide groove: It is located at the bottom of the floating plate 1 and is circumferential. When the cleaning component is working, the liquid sprayed from the nozzle 12 flows along the guide groove 8, which guides the cleaning liquid to impact the bottom of the foam sensor 2 more concentratedly and orderly, thereby improving the cleaning efficiency and effect.

[0036] 9. Pull ring: Fixedly connected to the top of connecting rod 5, providing a point of leverage for the operator. When manual adjustment of the position of connecting rod 5 is required, such as when spring 13 malfunctions and liquid needs to be manually squeezed or when fine adjustments to the cleaning process are needed, the operator can pull the pull ring 9.

[0037] 10, fixed box: two groups, symmetrically arranged in the bottom of the float 1 both sides, in the device into the liquid, liquid from the water inlet 11 into the fixed box 10, storage for cleaning liquid, detection is completed, the movable plate 14 on its internal liquid extrusion, make the liquid from the nozzle 12, for cleaning the foam sensor 2 bottom end.

[0038] 11, water inlet: set in the fixed box 10 side wall, in the device into the liquid, liquid through the water inlet 11 into the fixed box 10, realize the automatic storage of cleaning fluid, for subsequent cleaning operation provides liquid source.

[0039] 12, nozzle: fixed communication in the fixed box 10 away from the water inlet 11 end, in the movable plate 14 extrusion fixed box 10 liquid, liquid from the nozzle 12, for cleaning the foam sensor 2 bottom end residual foam.

[0040] 13, spring: one end fixed in the bottom of the float 1, the other end fixed in the fixed box 10 inner top wall, movable sleeve set in the connecting rod 5 outer wall, in the device into the liquid, connecting rod 5 and movable plate 14 upward movement compression spring 13, storage elastic potential. Detection is completed, the pressure block 6 from the connecting rod 5, spring 13 reset connecting rod 5 and movable plate 14 downward movement, extrusion fixed box 10 liquid, realize the automatic reset and cleaning operation.

[0041] 14, movable plate: fixed connection in the connecting rod 5 bottom, in the cleaning process, with the movement of connecting rod 5, movable plate 14 on the fixed box 10 liquid extrusion, make the liquid from the nozzle 12, complete the cleaning work of the foam sensor 2 bottom end residual foam, its position is higher than the water inlet 11, ensure that the liquid into the fixed box 10 when not affect the liquid storage.

[0042] Usage

[0043] When the foam needs to be detected, the device is placed on the water surface, and the buoyancy of the floating disc 1 is used to float on the water surface 2, at this time, the foam sensor 2 starts to work, detects the existence, concentration, height and other information of the foam, and converts these information into an electric signal 3, the electric signal is transmitted to the connector 4 through the wire 3, and then can be transmitted to the related control unit or monitoring equipment 4, when the device falls into the liquid below the foam, the liquid enters the fixed box 10 from the water inlet 11 5, at this time, the movable plate 14 is located above the liquid in the fixed box 10, with the continuous entry of the liquid, the fixed box 10 reserves the liquid for subsequent cleaning 6, after the detection is completed, the device is taken out of the water surface 7, the pressing block 6 is turned, one end of the pressing block 6 moves towards the inside of the square box 7, and the other end leaves the connecting rod 58, at this time, the spring 13 which is compressed before is reset, drives the connecting rod 5 and the movable plate 14 to move downwards along the fixed box 10 9, the movable plate 14 extrudes the liquid in the fixed box 10, the liquid is sprayed from the nozzle 12 10, the sprayed liquid cleans the foam at the bottom end of the foam sensor 2 along the guide groove 8, so that the residual foam at the detection end is removed 11.

[0044] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A foam sensor wiring harness, comprising a floating disk (1), a foam sensor (2) mounted in the middle of the floating disk (1), a wire (3) mounted on the top of the foam sensor (2), and a connector (4) mounted on the end of the wire (3) away from the foam sensor (2), characterized in that, Also includes: The bottom of the floating plate (1) is equipped with a cleaning component, which cleans the foam at the bottom of the foam sensor (2).

2. The foam sensor wiring harness according to claim 1, characterized in that: The bottom of the floating roof (1) is provided with several guide grooves (8), which are distributed in a circular pattern.

3. The foam sensor wiring harness according to claim 1, characterized in that: The cleaning assembly includes a fixed box (10), a water inlet (11), and a nozzle (12). The fixed box (10) has two sets and is symmetrically arranged on both sides of the bottom of the float (1). The water inlet (11) is opened on the side wall of the fixed box (10), and the nozzle (12) is fixedly connected to one end of the fixed box (10) away from the other end.

4. The foam sensor wiring harness according to claim 1, characterized in that: The inner walls on both sides of the floating plate (1) are slidably connected to connecting rods (5), and the bottom of the connecting rods (5) is fixedly connected to a movable plate (14).

5. A foam sensor wiring harness according to claim 4, characterized in that: A spring (13) is fixedly connected between the bottom of the floating plate (1) and the inner top wall of the fixed box (10). The spring (13) is movably sleeved on the outer wall of the connecting rod (5). The position of the movable plate (14) is higher than the water inlet (11).

6. A foam sensor wiring harness according to claim 5, characterized in that: A pull ring (9) is fixedly connected to the top of the connecting rod (5).

7. A foam sensor wiring harness according to claim 1, characterized in that: A square box (7) is fixedly connected to the top of the floating plate (1). A pressure block (6) is slidably connected to the inner wall of the square box (7). One end of the pressure block (6) is slidably connected to the inner wall of the square box (7), and the other end of the pressure block (6) is inserted into the inner wall of the connecting rod (5).

Citation Information

Patent Citations

  • Waterproof angle sensor

    CN217032436U