An insertable micro water sensor

Abstract

The utility model discloses a plug -in micro water sensor belongs to micro water detection field, including the outer ring, the inner ring is rotatively connected in the outer ring inboard, the inner ring inboard fixedly connected with the thimble, the thimble top fixedly connected with the rubber ring, the rubber ring top fixedly connected with rectifier voltage stabilizer and battery respectively, the rubber ring bottom fixedly connected with the copper wire coil, the copper wire coil inboard bushing has the permanent magnet, and the permanent magnet both ends are fixedly connected with the fixed ring and small spring, and the fixed ring inside fixedly connected with sensor rod. The utility model discloses through integration damping vibration damper and induction coil, recycling transformer vibration kinetic energy, effectively isolates mechanical stress transmission, avoids the damage that sensor internal structure leads to because of vibration, through design quick -change formula installation sleeve, realizes the convenient installation and replacement of sensor, and this design ensures that sensor maintains no wet environment before starting, and the artificial calibration demand is relieved, and only need to rotate locking can put into use when installing.

Description

Technical Field

[0001] This utility model relates to the field of micro water detection technology, and in particular to an insertable micro water sensor. Background Technology

[0002] A micro-moisture sensor is a highly sensitive instrument specifically designed for the precise measurement of extremely low moisture content (trace amounts of water). It is mainly used to measure moisture in gases, but can also be used to measure the content of water molecules in liquids. The object being measured is not liquid water itself, and it is usually used for dry gases or applications requiring strict moisture control. Insertion-type micro-moisture sensors are generally used for the detection of micro-moisture in transformer box insulating oil, because the moisture content in insulating oil is related to the insulation quality.

[0003] At present, although traditional insertion-type micro water sensors can meet daily detection needs, they still have the following shortcomings and deficiencies:

[0004] 1. Traditional micro-water sensors require calibration using standard water-containing reference samples before application. This manual calibration process, along with the subsequent installation of specialized tools, is cumbersome, costly, and carries the risk of mechanical damage.

[0005] 2. Traditional insertion-type micro water sensors are prone to internal component damage or performance degradation under strong electromagnetic interference and mechanical vibration environments caused by transformers, resulting in drift in the measured values.

[0006] Therefore, an insertable micro water sensor is proposed. Utility Model Content

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] An insertable micro-water sensor includes an outer ring, an inner ring rotatably connected to the inner side of the outer ring, a collar fixedly connected to the inner side of the inner ring, a rubber ring fixedly connected to the top of the collar, a rectifier and a battery fixedly connected to the top of the rubber ring, a copper wire coil fixedly connected to the bottom of the rubber ring, a permanent magnet sleeved inside the copper wire coil, a fixing ring and a small spring fixedly connected to both ends of the permanent magnet, and a sensor rod fixedly connected inside the fixing ring.

[0009] Preferably, a limit ring, a handle, and a sealing door are fixedly connected to the outer side, top, and bottom of the outer ring, respectively; a fixed ring and a rotating ring are fixedly connected to the top and bottom of the inner ring, respectively; and a limit block is fixedly connected to the side of the fixed ring.

[0010] Preferably, the outer ring is slidably connected to the inner cylinder, the inner cylinder is provided with a slide rail and a groove, the outer side of the inner cylinder is fixedly connected to a sleeve, the bottom of the inner side of the sleeve is fixedly connected to a bottom ring, and the top of the bottom ring is fixedly connected to a top ring by a large spring.

[0011] Preferably, the top ring is slidably connected to the inner side of the sleeve, the slide rail is adapted to the size of the limit ring protrusion, and the groove is adapted to the size of the limit block.

[0012] Preferably, two small springs are provided, and the two small springs are respectively fixedly connected to one end of the two permanent magnets, and copper wire coils are respectively wrapped around the outside of the two permanent magnets.

[0013] Preferably, two rectifiers are provided, and the two rectifiers are respectively connected to the two ends of the copper wire coil through electrical lines.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. By integrating a damping and vibration reduction mechanism with an induction coil, the kinetic energy of transformer vibration is recovered, effectively isolating the transmission of mechanical stress and avoiding damage to the internal structure of the sensor caused by vibration.

[0016] 2. By designing a quick-change mounting sleeve, the sensor can be easily installed and replaced. This design ensures that the sensor is kept in a dry environment before it is put into use, eliminating the need for manual calibration. During installation, it can be put into use simply by rotating and locking it. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of an insertable micro water sensor proposed in this utility model in its inactive state;

[0018] Figure 2 This is a schematic diagram of the working state of an insertion-type micro water sensor transformer box proposed in this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of an insertable micro water sensor in the activated state proposed in this utility model;

[0020] Figure 4 This is an assembly diagram of an insertable micro water sensor proposed in this utility model;

[0021] Figure 5 This is an exploded view of the sensor rod of an insert-type micro water sensor proposed in this utility model;

[0022] Figure 6 This is an exploded view of an insertable micro water sensor proposed in this utility model.

[0023] In the diagram: 1. Outer ring; 11. Limiting ring; 12. Handle; 13. Sealing door; 2. Inner ring; 21. Fixing ring; 22. Limiting block; 23. Rotating ring; 3. Sleeve; 31. Inner cylinder; 311. Slide rail; 312. Groove; 32. Bottom ring; 33. Large spring; 34. Top ring; 4. Collar; 41. Small spring; 42. Permanent magnet; 43. Fixing ring; 44. Copper wire coil; 45. Rubber ring; 46. Rectifier and voltage regulator; 47. Battery; 48. Sensor rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-6 An insertable micro water sensor includes an outer ring 1, an inner ring 2 rotatably connected to the inner side of the outer ring 1, a collar 4 fixedly connected to the inner side of the inner ring 2, a rubber ring 45 fixedly connected to the top of the collar 4, a rectifier and voltage regulator 46 and a battery 47 fixedly connected to the top of the rubber ring 45 respectively, a copper wire coil 44 fixedly connected to the bottom of the rubber ring 45, a permanent magnet 42 sleeved inside the copper wire coil 44, a fixing ring 43 and a small spring 41 fixedly connected to both ends of the permanent magnet 42 respectively, and a sensor rod 48 fixedly connected inside the fixing ring 43.

[0026] It should be noted that the vibration of a transformer is a physical phenomenon caused by the combined effect of electromagnetic force and material properties. The fundamental reason is that the core and windings are subjected to periodically changing electromagnetic forces during operation.

[0027] Through the above technical solution, the vibration generated by the transformer is transmitted to the sensor rod 48 through the structure. When the sensor rod 48 vibrates, the permanent magnet 42 connected to it will slide left and right with the vibration. On the one hand, it buffers the mechanical stress generated by the vibration of the transformer, and on the other hand, it uses the kinetic energy generated by the vibration to make the permanent magnet 42 perform a cyclic cutting magnetic field line motion, thereby generating alternating current. The alternating current is converted into direct current through the rectifier and voltage regulator 46 which is electrically connected to the coil and transmitted to the battery 47 for storage.

[0028] Specifically, the outer ring 1 has a limit ring 11, a handle 12 and a sealing door 13 fixedly connected to its outer side, top and bottom respectively. The inner ring 2 has a fixed ring 21 and a rotating ring 23 fixedly connected to its top and bottom respectively. The fixed ring 21 has a limit block 22 fixedly connected to its side.

[0029] Through the above technical solution, when the sensor is not activated, a sealed chamber is formed inside by the sealing door 13 and the inner ring 2. Dry gas with zero water molecule content is stored in the sealed chamber. When the device is activated, the micro water sensor self-adjustment function is turned on, so that the micro water sensor inside the sensor rod 48 is calibrated in a waterless environment in the inner chamber, saving the step of manually calibrating the moisture coefficient of the sensor. In addition, the inner ring 2 and the sealing door 13 protect the micro water sensor from damage in the environment such as transportation.

[0030] When disassembling the replaced device, removing the rotating ring 23 and handle 12 allows the inner ring 2 and outer ring 1 to be separated, and removing the retaining ring 21 allows the collar 4 and rubber ring 45 to be removed, making it easier to replace and maintain the sensor rod 48.

[0031] Specifically, an inner cylinder 31 is slidably connected to the side of the outer ring 1. A slide rail 311 and a groove 312 are respectively opened on the inner side of the inner cylinder 31. A sleeve 3 is fixedly connected to the outer side of the inner cylinder 31. A bottom ring 32 is fixedly connected to the bottom of the inner side of the sleeve 3. A top ring 34 is fixedly connected to the top of the bottom ring 32 through a large spring 33.

[0032] It should be noted that: sleeve 3, inner cylinder 31, bottom ring 32, large spring 33 and top ring 34 are installation valves for the device. Sleeve 3 is welded to the top of the transformer box on the side during use.

[0033] With the above technical solution, during installation and use, align the protrusion of the limiting ring 11 with the slide rail 311 and let the device fall slowly. When the protrusion of the limiting ring 11 reaches the top ring 34, press the handle 12 firmly. The top ring 34 causes the large spring 33 to deform. At this time, the limiting block 22 enters the groove 312. Then rotate the handle 12 90 degrees to the right. At this time, the inner ring 2 is fixed under the action of the limiting block 22. The handle 12 drives the outer ring 1 and the sealing door 13 to rotate 90 degrees, thus turning on the micro-water detection device.

[0034] Specifically, the top ring 34 is slidably connected to the inner side of the sleeve 3, the slide rail 311 is adapted to the size of the protrusion of the limit ring 11, and the groove 312 is adapted to the size of the limit block 22.

[0035] Specifically, there are two small springs 41, which are fixedly connected to one end of two permanent magnets 42 respectively, and copper wire coils 44 are respectively sleeved on the outside of the two permanent magnets 42.

[0036] Specifically, there are two rectifier regulators 46, which are connected to the two ends of the copper wire coil 44 through electrical lines.

[0037] Working principle:

[0038] Before this utility model is activated, the micro-water sensor is first activated by computer and self-adjusted in a dry environment inside the device. After the adjustment is completed, the operator aligns the protrusion of the limit ring 11 with the slide rail 311 and makes the device slowly fall. When the protrusion of the limit ring 11 reaches the top ring 34, the handle 12 is pressed down hard. The top ring 34 causes the large spring 33 to deform. At this time, the limit block 22 enters the groove 312. Then the handle 12 is rotated 90 degrees to the right. At this time, the inner ring 2 is fixed under the action of the limit block 22. The handle 12 drives the outer ring 1 and the sealing door 13 to rotate 90 degrees, thus turning on the micro-water detection device.

[0039] Based on the above, after the device is installed inside the transformer box, the transformer will vibrate during operation. The vibration generated by the transformer is transmitted to the sensor rod 48 through the structure. When the sensor rod 48 vibrates, the permanent magnet 42 connected to it will slide left and right with the vibration. On the one hand, it buffers the mechanical stress generated by the transformer vibration, and on the other hand, it uses the kinetic energy generated by the vibration to make the permanent magnet 42 perform a cyclic cutting magnetic field line motion, thereby generating alternating current. The alternating current is converted into direct current through the rectifier and voltage regulator 46 which is electrically connected to the coil and transmitted to the battery 47 for storage. The battery 47 supplies power to the micro water sensor through the electrical circuit.

[0040] Based on the above, when the sensor needs to be replaced after its service life, the handle 12 is rotated 90 degrees counterclockwise. At this time, the protrusion on the side of the limit ring 11 slides along the slide rail 311, and the sensor can be pulled out as a whole.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An insertable micro water sensor, comprising an outer ring (1), characterized in that, The outer ring (1) is rotatably connected to the inner ring (2), and the inner ring (2) is fixedly connected to the inner ring (4). The top of the collar (4) is fixedly connected to a rubber ring (45). The top of the rubber ring (45) is fixedly connected to a rectifier and voltage regulator (46) and a battery (47). The bottom of the rubber ring (45) is fixedly connected to a copper wire coil (44). The copper wire coil (44) is sleeved with a permanent magnet (42). The two ends of the permanent magnet (42) are fixedly connected to a fixing ring (43) and a small spring (41). The sensor rod (48) is fixedly connected inside the fixing ring (43).

2. The insertable micro water sensor according to claim 1, characterized in that, The outer ring (1) is fixedly connected to a limit ring (11), a handle (12) and a sealing door (13) on its outer side, top and bottom respectively. The inner ring (2) is fixedly connected to a fixing ring (21) and a rotating ring (23) on its top and bottom respectively. The fixing ring (21) is fixedly connected to a limit block (22) on its side.

3. The insertable micro water sensor according to claim 1, characterized in that, The outer ring (1) is slidably connected to the inner cylinder (31). The inner cylinder (31) has a slide rail (311) and a groove (312) respectively. The outer side of the inner cylinder (31) is fixedly connected to the sleeve (3). The bottom of the inner side of the sleeve (3) is fixedly connected to the bottom ring (32). The top of the bottom ring (32) is fixedly connected to the top ring (34) by a large spring (33).

4. The insertable micro water sensor according to claim 3, characterized in that, The top ring (34) is slidably connected to the inner side of the sleeve (3), the slide rail (311) is adapted to the size of the protrusion of the limiting ring (11), and the groove (312) is adapted to the size of the limiting block (22).

5. An insertable micro water sensor according to claim 1, characterized in that, Two small springs (41) are provided. The two small springs (41) are respectively fixedly connected to one end of two permanent magnets (42). Copper wire coils (44) are respectively sleeved on the outside of the two permanent magnets (42).

6. The insertion-type micro water sensor according to claim 1, characterized in that, Two rectifiers (46) are provided, and the two rectifiers (46) are respectively connected to the two ends of the copper wire coil (44) through electrical lines.

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