Wireless transformer winding temperature sensor

Abstract

The invention provides a wireless transformer winding temperature sensor, and belongs to the technical field of transformer temperature control equipment, the wireless transformer winding temperature sensor comprises a base, the top of the base is provided with a voltage transformation mechanism, the front side of the exterior of the voltage transformation mechanism is provided with a wire arrangement mechanism, the interior of the wire arrangement mechanism is provided with a sensing wire, and the top of the voltage transformation mechanism is provided with a clamping mechanism. According to the invention, through the arrangement of the wire arrangement mechanism, effective fixation and management of the sensing wire are realized, stable operation and accurate temperature measurement of the sensor are ensured, and the problem that a wire harness is difficult to disassemble and maintain due to the fact that the sensing wire is fixed by a conventional cable tie in the prior art is solved; according to the utility model, the sensing line probe is firmly fixed and rapidly detached, the accuracy of temperature measurement is ensured, and the problem of measurement interruption or inaccuracy caused by loosening or falling off due to infirm fixation in the prior art is solved. And the disassembly is relatively complicated, so that the maintenance efficiency is influenced.

Description

Technical Field

[0001] This invention relates to the field of transformer temperature control equipment technology, and more specifically, to a wireless transformer winding temperature sensor. Background Technology

[0002] Wireless transformer winding temperature sensors are advanced monitoring devices that use wireless communication technology to monitor and warn of transformer winding temperature in real time. This not only improves the safety and reliability of transformer operation but also reduces installation and maintenance costs. They are widely used in power systems, industrial fields, and data centers.

[0003] A search revealed that Chinese Patent Publication No. CN213149561U discloses a "Dry-type Transformer Temperature Control Device," which includes a contact temperature sensor, a wireless transmission module, a controller, and a heat sink. It also includes a positioning mechanism for positioning the contact temperature sensor. The positioning mechanism includes a fixing plate mounted on the dry-type transformer. The fixing plate has a positioning hole through which the contact temperature sensor passes to directly contact the dry-type transformer. A positioning component for positioning the contact temperature sensor is provided in the positioning hole. This application can improve the problem of energy waste and transformer damage caused by poor contact between the dry-type transformer and the contact temperature sensor, but it still has the following drawbacks:

[0004] However, when sensor maintenance or replacement is required, removing the cable ties is very tedious and can easily damage the sensor wires, increasing maintenance costs and time. Therefore, a wireless transformer winding temperature sensor is proposed. Summary of the Invention

[0005] This invention addresses the problem of the inability to properly organize the sensor wires connected to the sensor by providing a wireless transformer winding temperature sensor.

[0006] The wireless transformer winding temperature sensor of the present invention includes a base (1), a transformer mechanism (2) is provided on the top of the base (1), a wire management mechanism (3) is provided on the front side of the transformer mechanism (2), a sensor wire (5) is installed inside the wire management mechanism (3), and a clamping mechanism (4) is provided on the top of the transformer mechanism (2).

[0007] The cable management mechanism (3) includes multiple connecting plates (32) fixedly connected to the front side of the transformer mechanism (2). A base plate (35) is fixedly connected to the top of the connecting plate (32). Multiple sliding grooves (34) are provided on the top of the base plate (35). A sliding rod (33) is slidably connected inside the sliding groove (34). A top cover (31) is fixedly connected to the top of the sliding rod (33). A fixing component (38) is installed on the outside of the connecting plate (32). A placement groove (36) is provided between adjacent sliding grooves (34). Two buffer pads (37) along the length direction are fixedly connected inside the placement groove (36). A positioning component (39) is installed on the outside side of the top cover (31) and the base plate (35). The sensing wire (5) is set inside the placement groove (36).

[0008] As a preferred technical solution of the present invention, the fixing component (38) includes two screw holes (382) opened on both sides of the connecting plate (32), the screw holes (382) are internally threaded with bolts (381), and the external threads of the bolts (381) are connected to the inside of the transformer mechanism (2).

[0009] As a preferred technical solution of the present invention, the positioning component (39) includes a connecting block (391) fixedly connected to the top cover (31) and the bottom plate (35) on the same side, and a locking rod (392) is slidably connected inside the connecting block (391).

[0010] As a preferred technical solution of the present invention, the transformer mechanism (2) includes a plurality of transformer boxes (21) fixedly connected to the top of the base (1), and the transformer box (21) is provided with a winding body (22).

[0011] As a preferred technical solution of the present invention, the top of the transformer box (21) is fixedly connected to a connecting bracket (23), and the bottom of the connecting plate (32) is fixedly connected to the outside of the connecting bracket (23).

[0012] As a preferred technical solution of the present invention, the clamping mechanism (4) includes a placement tube (41) fixedly connected to the top of multiple transformer boxes (21), with a sealing cap (47) provided on the upper part. Support rods (42) are fixedly connected to the outer sides of the placement tube (41), and a rotating column (43) is rotatably connected inside the support rod (42). Connecting rods (44) are fixedly connected to the outer sides of the rotating column (43), and crossbars (45) are fixedly connected to the ends of the two connecting rods (44). A locking block (46) is fixedly connected to the bottom of the crossbar (45).

[0013] The beneficial effects of this invention are as follows:

[0014] 1. The cable management mechanism effectively fixes and manages the sensor cables, ensuring stable operation and accurate temperature measurement of the sensor. It solves the problem of difficulty in disassembling and maintaining the cable harness caused by the traditional cable ties used to fix the sensor cables in the existing technology.

[0015] 2. The locking mechanism enables secure fixing and quick disassembly of the sensor probe, ensuring the accuracy of temperature measurement. This solves the problems in existing technologies where loosening or falling off due to insecure fixing leads to measurement interruption or inaccuracy, and disassembly is cumbersome, affecting maintenance efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the wireless transformer winding temperature sensor in Example 1;

[0017] Figure 2 This is a schematic diagram of the winding body structure of the wireless transformer winding temperature sensor in Example 1;

[0018] Figure 3 This is a schematic diagram of the slide bar structure of the wireless transformer winding temperature sensor in Example 1;

[0019] Figure 4 This is a schematic diagram of the groove structure of the wireless transformer winding temperature sensor in Example 1;

[0020] Figure 5 This is a schematic diagram of the clamping structure of the wireless transformer winding temperature sensor in Example 1;

[0021] Figure 6 This is a schematic diagram of the rotating column structure of the wireless transformer winding temperature sensor in Example 1.

[0022] The diagram shows: 1. Base; 2. Transformer mechanism; 21. Transformer box; 22. Winding body; 23. Connecting bracket; 3. Cable management mechanism; 31. Top cover; 32. Connecting plate; 33. Slide rod; 34. Slide groove; 35. Base plate; 36. Placement groove; 37. Buffer pad; 38. Fixing component; 381. Bolt; 382. Screw hole; 39. Positioning component; 391. Connecting block; 392. Clamping rod; 4. Clamping mechanism; 41. Placement tube; 42. Support rod; 43. Rotating column; 44. Connecting rod; 45. Crossbar; 46. Clamping block; 47. Sealing cover; 5. Sensor wire.

[0023] Example 1

[0024] Combination Figure 1-6 This embodiment is described below.

[0025] The wireless transformer winding temperature sensor in this embodiment includes a base (1), a transformer mechanism (2) is provided on the top of the base (1), a wire management mechanism (3) is provided on the front side of the transformer mechanism (2), a sensor wire (5) is installed inside the wire management mechanism (3), and a clamping mechanism (4) is provided on the top of the transformer mechanism (2).

[0026] The cable management mechanism (3) includes multiple connecting plates (32) fixedly connected to the front side of the transformer mechanism (2). A base plate (35) is fixedly connected to the top of the connecting plate (32). Multiple sliding grooves (34) are provided on the top of the base plate (35). A sliding rod (33) is slidably connected inside the sliding groove (34). A top cover (31) is fixedly connected to the top of the sliding rod (33). A fixing component (38) is installed on the outside of the connecting plate (32). A placement groove (36) is provided between adjacent sliding grooves (34). Two buffer pads (37) along the length direction are fixedly connected inside the placement groove (36). A positioning component (39) is installed on the outside side of the top cover (31) and the base plate (35). The sensing wire (5) is set inside the placement groove (36).

[0027] The fixing component (38) includes two screw holes (382) on both sides of the connecting plate (32), the screw holes (382) are internally threaded with bolts (381), and the bolts (381) are externally threaded with the inside of the transformer mechanism (2).

[0028] The positioning component (39) includes a connecting block (391) fixedly connected to the top cover (31) and the bottom plate (35) on the same side, and a locking rod (392) is slidably connected inside the connecting block (391).

[0029] The transformer mechanism (2) includes multiple transformer boxes (21) fixedly connected to the top of the base (1), and the transformer box (21) is provided with a winding body (22).

[0030] The top of the transformer box (21) is fixedly connected to a connecting bracket (23), and the bottom of the connecting plate (32) is fixedly connected to the outside of the connecting bracket (23).

[0031] The clamping mechanism (4) includes a placement tube (41) fixedly connected to the top of multiple transformer boxes (21), with a sealing cap (47) on the upper part. Support rods (42) are fixedly connected to the outer sides of the placement tube (41), and a rotating column (43) is rotatably connected inside the support rod (42). Connecting rods (44) are fixedly connected to the outer sides of the rotating column (43), and crossbars (45) are fixedly connected to the ends of the two connecting rods (44). A locking block (46) is fixedly connected to the bottom of the crossbar (45).

[0032] The cable management mechanism 3 has a sensor wire 5 installed inside, which can provide good temperature measurement capability. The sensor wire 5 uses a fluorescent fiber sensor. The top of the transformer mechanism 2 is equipped with a clamping mechanism 4.

[0033] A base plate 35 is fixedly connected to the top of the connecting plate 32, providing good support for the sensor wire 5. Multiple sliding grooves 34 are provided on the top of the base plate 35, offering ample sliding space. A sliding rod 33 is slidably connected inside the sliding groove 34, providing good sliding capability and allowing smooth sliding within the groove. A top cover 31 is fixedly connected to the top of the sliding rod 33, providing docking capability. The top cover 31 drives the sliding rod 33 to slide within the sliding groove 34, engaging it with the outside of the connecting plate 32. A fixing component 38 is installed on the outside of the connecting plate 32. Multiple placement slots 36 are provided on the adjacent side of the top cover 31 and the base plate 35, providing placement space for the sensor wire 5 to be placed inside the slots 36. The top cover 31 then slides on top of the base plate 35, preventing the sensor wire 5 from falling and providing good wire management. Two buffer pads 37 are fixedly connected inside each of the placement slots 36. It can provide cushioning; when the sensor wire 5 is placed inside the placement slot 36, it will first come into contact with the buffer pad 37, so that the line of the sensor wire 5 can be well cushioned. The positioning component 39 is installed on the outer side of the top cover 31 and the bottom plate 35, and the outer side of the sensor wire 5 is located inside the placement slot 36.

[0034] The fixing assembly 38 includes two screw holes 382 on both sides of the top of the connecting plate 32, which provide placement space. The bolts 381 connected to the internal threads of the screw holes 382 provide locking capability, which enables the connecting plate 32 to be fixed to the outside of the transformer mechanism 2 to prevent it from falling off. The external threads of the bolts 381 are connected to the inside of the transformer mechanism 2.

[0035] The positioning component 39 includes a connecting block 391 fixedly connected to the top cover 31 and the bottom plate 35 on the same side, which can provide connection capability and provide a good sliding channel; the connecting block 391 has a locking rod 392 slidably connected inside, which can provide limiting capability. After the top cover 31 drives the sliding rod 33 to slide close to the inside of the sliding groove 34, the locking rod 392 then passes through the inside of the two connecting blocks 391, so as to limit the sliding of the top cover 31 and prevent displacement.

[0036] The transformer mechanism 2 includes multiple transformer boxes 21 fixedly connected to the top of the base 1, which can provide good protection. The winding body 22 is fixedly connected inside the multiple transformer boxes 21, which converts the input voltage into a voltage suitable for the operation of the internal circuit of the sensor, and provides a stable power supply for the normal operation of the sensor.

[0037] The top of the transformer box 21 is fixedly connected to a connecting bracket 23, which provides support and connection capabilities, enabling multiple transformer boxes 21 to be connected to each other. The bottom of the connecting plate 32 is fixedly connected to the outside of the connecting bracket 23.

[0038] The clamping mechanism 4 provides a placement channel, allowing the probe of the sensor wire 5 to enter the transformer box 21 through the placement tube 41 to detect the temperature of the winding body 22. A sealing cap 47 is fixedly connected to the outside of the sensor wire 5, i.e., the side closest to the placement tube 41, to provide sealing capability and prevent errors caused by the external ambient temperature when the sensor wire 5 detects the temperature of the winding body 22. Support rods 42 are fixedly connected to both sides of the outside of the placement tube 41 to provide support capability. A rotating column 43 is rotatably connected inside the support rod 42, allowing the rotating column 43 to rotate laterally inside the support rod 42.

[0039] Connecting rods 44 are fixedly connected to both sides of the rotating column 43, providing connection capability and rotating with the rotating column 43. A crossbar 45 is fixedly connected to one side of the top of the two connecting rods 44, providing lateral support capability and rotating with the connecting rods 44. A locking block 46 is fixedly connected to the bottom of the crossbar 45, providing locking capability. The locking block 46 can generate compression when subjected to force, so that when the connecting rod 44 drives the crossbar 45 to rotate outside the support rod 42, the locking block 46 can be locked to the outside of the sealing cover 47 to prevent it from falling off. At the same time, the sealing cover 47 can be quickly opened after the connecting rod 44 is rotated in the opposite direction.

[0040] When using the wireless transformer winding temperature sensor: First, place and secure the base 1 in a suitable position, then install the transformer mechanism 2 on top of the base 1. Next, fix the connecting plate 32 of the cable management mechanism 3 to the front exterior of the transformer mechanism 2. Secure the connecting plate 32 to the transformer mechanism 2 by connecting the bolt 381 in the fixing assembly 38 with the threaded connection of the screw hole 382, ​​preventing it from falling off. Then, lead the sensor wire 5 out from the inside of the transformer mechanism 2 and pass it through the placement groove 36 of the cable management mechanism 3. The buffer pad 37 inside the placement groove 36 will contact the sensor wire 5, providing cushioning protection for the sensor wire 5. Subsequently, the top cover 31 drives the slide rod 33 to slide inside the slide groove 34, causing the top cover 31 to engage with the outside of the connecting plate 32, thereby fixing the sensor wire 5 in the placement groove 36 and preventing it from falling off, completing the cable management operation. After the top cover 31 drives the slide rod 33 to slide to the appropriate position, the locking rod 392 in the positioning assembly 39 passes through the interior of the two connecting blocks 391. The locking rod 392 restricts the sliding of the top cover 31 to prevent it from shifting, ensuring the stability of the sensor wire 5 in the placement slot 36 and further improving the reliability of the wire arrangement. When the probe of the sensor wire 5 is introduced into the transformer box 21 through the placement tube 41 to detect the temperature of the winding body 22, a sealing cap 47 is fixedly connected to the outside of the sensor wire 5 near the placement tube 41. Its function is to prevent errors caused by changes in the external ambient temperature when the sensor wire 5 monitors the temperature of the winding body 22, ensuring the accuracy of the measurement. Support rods 42 are fixedly connected to both sides of the outside of the placement tube 41 to provide support. A rotating column 43 is rotatably connected inside the support rod 42. With the support of the support rod 42, the rotating column 43 can rotate laterally inside the support rod 42. When it is necessary to fix the sensor wire 5, rotating the rotating column 43 will cause the connecting rods 44 fixedly connected to its outer two sides to rotate. The crossbar 45 can move laterally following the rotation of the connecting rod 44, and the design of 45 has a certain degree of elasticity. When the locking block 46 is subjected to force, it will generate its own compression, so that when the connecting rod 44 drives the crossbar 45 to rotate outside the support rod 42, it can lock the locking block 46 tightly against the outside of the sealing cover 47, thereby firmly fixing the sensor wire 5 and preventing it from falling off. When it is necessary to disassemble or adjust the sensor wire 5, simply rotate the connecting rod 44 in the opposite direction, and the locking block 46 will quickly release the sealing cover 47, achieving quick disassembly.

Claims

1. A wireless transformer winding temperature sensor, characterized by: The application discloses a wireless transformer winding temperature sensor which comprises a base (1), a transformer mechanism (2) arranged on the top of the base (1), a wire arranging mechanism (3) arranged on the outer front side of the transformer mechanism (2), a sensing wire (5) arranged in the wire arranging mechanism (3), and a clamping mechanism (4) arranged on the top of the transformer mechanism (2). The wire arranging mechanism (3) comprises a plurality of connecting plates (32) fixedly connected to the outer front side of the transformer mechanism (2), a bottom plate (35) fixedly connected to the top of the connecting plate (32), a plurality of sliding grooves (34) formed in the top of the bottom plate (35), a sliding rod (33) slidably connected to the inside of the sliding groove (34), a top cover (31) fixedly connected to the top of the sliding rod (33), a fixing assembly (38) arranged on the outside of the connecting plate (32), a placing groove (36) arranged between adjacent sliding grooves (34), two lengthwise buffer pads (37) fixedly connected to the inside of the placing groove (36), a positioning assembly (39) arranged on the outside of the top cover (31) and the bottom plate (35), and the sensing wire (5) arranged in the inside of the placing groove (36).

2. The wireless transformer winding temperature sensor of claim 1, wherein: The fixing assembly (38) comprises two screw holes (382) formed in the two sides of the connecting plate (32), and a screw bolt (381) threadedly connected to the inside of the screw hole (382) and threadedly connected to the inside of the transformer mechanism (2).

3. The wireless transformer winding temperature sensor of claim 1, wherein: The positioning assembly (39) comprises a connecting block (391) fixedly connected to the same side of the top cover (31) and the bottom plate (35), and a clamping rod (392) slidably connected to the inside of the connecting block (391).

4. The wireless transformer winding temperature sensor of claim 1, wherein: The transformer mechanism (2) comprises a plurality of transformer boxes (21) fixedly connected to the top of the base (1), and a winding body (22) arranged in the inside of the transformer box (21).

5. The wireless transformer winding temperature sensor of claim 4, wherein: The top of the transformer box (21) is fixedly connected with a connecting support (23), and the bottom of the connecting plate (32) is fixedly connected to the outside of the connecting support (23).

6. The wireless transformer winding temperature sensor of claim 1, wherein: The clamping mechanism (4) comprises a placing pipe (41) fixedly connected to the top of the plurality of transformer boxes (21), a sealing cover (47) arranged on the top, support rods (42) fixedly connected to the two sides of the outside of the placing pipe (41), rotating columns (43) rotatably connected to the inside of the support rods (42), connecting rods (44) fixedly connected to the two sides of the outside of the rotating columns (43), a horizontal rod (45) fixedly connected to the ends of the two connecting rods (44), and a clamping block (46) fixedly connected to the bottom of the horizontal rod (45).

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