Distribution transformer energy efficiency parameter testing device and method based on intelligent sensor

Abstract

The invention relates to the field of detection equipment, and discloses a distribution transformer energy efficiency parameter testing device and method based on an intelligent sensor, and the device comprises fixed supporting side plates, and an upper detection operation platform is fixedly disposed between the tops of the fixed supporting side plates. A bearing installation device is slidably installed at the position, located between the fixed supporting side plates, of the bottom of the upper detection operation table, the bearing installation device comprises a lower supporting positioning driving assembly, sliding wheels are arranged at the bottom of the lower supporting positioning driving assembly, and side limiting plates are integrally connected to the two sides of the tops of the fixed supporting side plates; the device has the beneficial effects that the distribution transformer body can be matched with the lower supporting and positioning driving assembly with the sliding wheels to be conveyed to the detection equipment by adopting the traction equipment device, the distribution transformer body is well positioned and limited, the contact strength during butt joint can be ensured during butt joint, the problem of poor contact is avoided, and the detection efficiency is improved. And the accuracy of detection data is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of detection equipment, and in particular to a device and method for testing energy efficiency parameters of a distribution transformer based on an intelligent sensor. Background Art

[0002] A distribution transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, secondary coil and iron core. The coil resistance inside the distribution transformer is related to the energy efficiency measurement of the transformer output. Testing equipment is needed to detect the coil resistance to see if there is any fault to ensure the energy efficiency of the distribution transformer output. Therefore, testing equipment is needed to detect the transformer.

[0003] There are at least the following disadvantages in the use of existing testing equipment: the existing testing equipment cannot fix the transformer, resulting in insufficient stability during testing of the transformer, and the transformer is prone to shaking, which affects the testing efficiency; during the process of testing the coil with the existing testing equipment, the contact strength between the testing head and the coil is poor, resulting in certain errors in the detected data, reducing the accuracy of energy efficiency measurement and testing; at the same time, when the existing equipment tests the transformer, it is necessary to use lifting equipment such as a gantry crane to lift the transformer to the location of the testing equipment, which is more troublesome.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0005] In view of the deficiencies in the prior art, the object of the present invention is to provide a distribution transformer energy efficiency parameter testing device and method based on intelligent sensors.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a distribution transformer energy efficiency parameter testing device based on an intelligent sensor comprises a fixed support side plate, an upper detection operating table is fixedly installed between the tops of the fixed support side plates, the bottom of the upper detection operating table is located between the fixed support side plates and a load-bearing installation device is slidably installed, the load-bearing installation device comprises a lower support positioning drive assembly, the bottom of the lower support positioning drive assembly is provided with a sliding wheel, the top two sides of the fixed support side plates are integrally connected with side limit plates, and the front and rear ends of the side limit plates are inserted A baffle is connected, and a sliding guide assembly is arranged between the side limit plate and the fixed support side plate, a clamping positioning plate is symmetrically arranged on the inner side of the side limit plate on the lower support positioning drive assembly, a distribution transformer body is arranged between the clamping positioning plates, an upper detection operating table is fixedly installed between the tops of the fixed support side plates, an adjustable detection assembly is embedded and fixedly installed at the bottom of the upper detection operating table, a tester body is embedded and installed in the upper detection operating table, an intelligent sensor is arranged in the tester body, and a display screen and buttons are respectively provided on the tester body.

[0007] Preferably, the lower support positioning drive assembly includes a lower shell, a support partition is fixedly installed on the inner bottom of the lower shell, a drive motor 1 is fixedly installed at the bottom center of the support partition, the output end of the drive motor 1 is connected to a drive shaft that movably passes through the support partition, a drive gear is installed on the top of the drive shaft, and center positioning assemblies are meshed on both sides of the drive gear, and strip grooves are symmetrically opened on the top of the lower shell.

[0008] Preferably, the centering positioning assembly includes two sliding rails fixedly mounted on the supporting partition, limit stops are provided at both ends of the sliding rails, sliding blocks are symmetrically slidably provided on the sliding rails, a supporting cross plate is connected between adjacent sliding blocks, racks are respectively meshed on both sides of the driving gear, and guide columns are movably penetrated in the rack and fixedly connected to the inner wall of the lower shell body, the supporting cross plate is fixedly connected to the corresponding top end of the rack through a fixing block, and the supporting cross plate is fixedly connected to the clamping positioning plate through two strip rods penetrating the strip grooves.

[0009] Preferably, the sliding guide assembly includes a U-shaped sliding groove opened in the fixed support side plate, the outer wall of the side limit plate is provided with a guide pulley matching the U-shaped sliding groove, the guide pulley is installed on the outer wall of the side limit plate through a support frame, one end of the side limit plate is symmetrically provided with a positioning baffle, and one end of the fixed support side plate is symmetrically provided with a positioning groove matching the positioning baffle.

[0010] Preferably, the adjustable detection component includes a second drive motor fixed to one end of the outer wall of the upper detection operating table, the output end of the second drive motor is connected to a transmission rod extending into the upper detection operating table, the transmission rod is respectively provided with two threaded areas with opposite thread directions, and the threaded areas are respectively provided with threaded sleeves, and the bottom of the upper detection operating table is provided with an opening.

[0011] Preferably, the bottom of the upper detection operating table is located on both sides of the opening and is fixedly installed with guide side plates extending between the fixed support side plates, and a lifting connecting plate is slidably arranged between the guide side plates, and a docking positioning component is installed at the bottom of the lifting connecting plate, and the docking positioning component is electrically connected to the tester body through a wire, an offset baffle is installed between the guide side plates, and the wire passes through the outside of the offset baffle, and connecting blocks are symmetrically installed on the lifting connecting plate, and an inclined connecting rod is movably connected to the bottom of the threaded sleeve through a rotating shaft, and guide vertical grooves are provided on the inner sides of the guide side plates, and guide protrusions matching the guide vertical grooves are provided at both ends of the lifting connecting plate.

[0012] Preferably, the docking and positioning assembly includes an outer ceramic insulating sleeve, a docking port is provided at one end of the outer ceramic insulating sleeve away from the wire, a connecting seat is installed on the distribution transformer body, a lower docking metal column is provided on the connecting seat, and an inner contact connecting assembly is provided inside the outer ceramic insulating sleeve.

[0013] Preferably, the inner contact electrical connection component includes an outer insulating rubber sleeve, an inner ceramic sleeve is arranged inside the outer insulating rubber sleeve, a conical insertion port is arranged at the bottom of the inner ceramic sleeve, the top of the conical insertion port is connected to a docking cavity matching the lower docking metal column, and a metal sheet is fixedly installed on the inner top of the docking cavity, the metal sheet is connected to the bottom end of the wire through a connecting wire, and a plurality of rubber positioning protrusions are embedded in the inner wall of the docking cavity.

[0014] The energy efficiency parameter testing method of the distribution transformer based on the intelligent sensor specifically includes the following steps:

[0015] S1: During the test, push the lower support positioning drive assembly from between the fixed support side plates, remove and pull out the baffle plate used for front and rear positioning, push it to move by the action of the sliding wheel, place the distribution transformer body on it, and position and clamp the distribution transformer body by driving the clamping positioning plate;

[0016] S2: Reset the lower support positioning drive assembly, reduce its friction through the action of the sliding guide assembly, and restore the lower support positioning drive assembly to its original position;

[0017] S3: When testing, the adjustable detection component is lowered and connected with the connector on the distribution transformer body to realize power-on, and the distribution transformer body is powered on;

[0018] S4: After setting the corresponding test data through the buttons on the tester body, the test work can be carried out and the detected data will be transmitted to the tester body. Through the role of intelligent sensors, high-precision information collection can be achieved.

[0019] The present invention provides a distribution transformer energy efficiency parameter testing device and method based on an intelligent sensor, and the beneficial effects are as follows:

[0020] The distribution transformer body is carried by the lower support positioning drive assembly arranged between the fixed support side plates. Before testing, the lower support positioning drive assembly is taken out, and it is pushed to move by the action of the sliding wheel, and the distribution transformer body is placed thereon. The distribution transformer body is positioned and clamped by the driving clamping positioning plate, and then the lower support positioning drive assembly is reset. The friction is reduced by the action of the sliding guide assembly, and the lower support positioning drive assembly is restored to its original position. When testing, the docking detection assembly is lowered and docked with the connector on the distribution transformer body to realize power-on, and the distribution transformer body is powered on. After setting the corresponding data required for detection by the button on the tester body, the detection work can be carried out, and the detected data is transmitted to the tester body. Through the action of the intelligent sensor, high-precision information collection can be achieved. The present invention can use a traction device to transport the distribution transformer body in conjunction with the lower support positioning drive assembly with a sliding wheel to the detection equipment, and has good positioning and limiting for the distribution transformer body. When docking, the contact force during docking can be ensured to avoid the problem of poor contact, thereby ensuring the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 is a front view of a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0023] Figure 2 Schematic diagram of the structure of the load-bearing installation device in the distribution transformer energy efficiency parameter testing device based on the intelligent sensor according to an embodiment of the present invention

[0024] Figure 3 It is a structural schematic diagram of a lower support positioning drive component in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0025] Figure 4 is a structural schematic diagram of a centering positioning component in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0026] Figure 5 is a structural schematic diagram of a sliding guide assembly in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0027] Figure 6 is a structural schematic diagram of an adjustable detection component in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0028] Figure 7 It is a structural schematic diagram of a docking and positioning component in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention;

[0029] Figure 8 It is a structural schematic diagram of an internal contact connection component in a distribution transformer energy efficiency parameter testing device based on an intelligent sensor according to an embodiment of the present invention.

[0030] In the figure:

[0031] 1. Fixed support side plate; 2. Lower support positioning drive assembly; 3. Side limit plate; 4. Sliding guide assembly; 5. Clamping positioning plate; 6. Distribution transformer body; 7. Upper detection operating table; 8. Adjustable detection assembly; 9. Tester body; 10. Display screen; 11. Button; 12. Lower shell; 13. Support partition; 14. Drive motor 1; 15. Drive gear; 16. Centering positioning assembly; 17. Strip groove; 18. Sliding track; 19. Sliding block; 20. Support cross plate; 21. Rack; 22. Guide column; 23. Fixed block; 24. Strip rod; 25. Limit stopper; 26. U-shaped sliding groove; 27. Guide pulley; 28. Support Bracket; 29, positioning baffle; 30, positioning groove; 31, driving motor 2; 32, transmission rod; 33, threaded area; 34, threaded sleeve; 35, guide side plate; 36, lifting connection plate; 37, docking positioning assembly; 38, offset baffle; 39, wire; 40, connecting block; 41, tilting connecting rod; 42, guide protrusion; 43, guide vertical groove; 44, outer ceramic insulating sleeve; 45, docking port; 46, connecting seat; 47, lower docking metal column; 48, inner contact electrical assembly; 49, outer insulating rubber sleeve; 50, inner ceramic sleeve; 51, tapered insertion port; 52, docking cavity; 53, metal sheet; 54, connecting wire; 55, rubber positioning protrusion. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-8 The present invention provides a distribution transformer energy efficiency parameter testing device based on an intelligent sensor, comprising a fixed support side plate 1, an upper detection operating table 7 is fixedly installed between the tops of the fixed support side plates 1, and a bearing installation device is slidably installed at the bottom of the upper detection operating table 7 between the fixed support side plates 1, and the bearing installation device comprises a lower support positioning drive assembly 2, and a sliding wheel is arranged at the bottom of the lower support positioning drive assembly 2, and side limit plates 3 are integrally connected to the top sides of the fixed support side plates 1, and baffles are inserted at the front and rear ends of the side limit plates 3, and a sliding guide assembly 4 is arranged between the side limit plates 3 and the fixed support side plates 1, and a clamping positioning plate 5 is symmetrically arranged on the inner side of the side limit plates 3 on the lower support positioning drive assembly 2, and a distribution transformer body 6 is arranged between the clamping positioning plates 5, and the distribution transformer body 6 is carried by the lower support positioning drive assembly 2 arranged between the fixed support side plates 1. Before testing, the lower support positioning drive assembly 2 is pushed out from between the fixed support side plates 1, and the baffle for front and rear positioning is removed and pulled out, and the lower support positioning drive assembly 2 is pushed out from between the fixed support side plates 1. The function of the shifting wheel drives it to move, and the distribution transformer body 6 is placed on it. The distribution transformer body 6 is positioned and clamped by driving the clamping positioning plate 5, and then the lower support positioning driving component 2 is reset. Through the function of the sliding guide component, its friction is reduced, and the lower support positioning driving component 2 is restored to its original position. An upper detection operating table 7 is fixedly installed between the tops of the fixed support side plates 1, and an adjustable detection component 8 is embedded and fixedly installed at the bottom of the upper detection operating table 7. A tester body 9 is embedded and installed in the upper detection operating table 7. An intelligent sensor is arranged in the tester body 9. A display screen 10 and a button 11 are respectively arranged on the tester body 9. When testing, the adjustable detection component 8 is lowered and docked with the connector on the distribution transformer body 6 to realize power-on, and the distribution transformer body 6 is powered on. After setting the corresponding detection data required by the button 11 on the tester body 9, the detection work can be carried out, and the detected data is transmitted to the tester body 9. Through the function of the intelligent sensor, high-precision information collection can be achieved.

[0034] In one embodiment, please refer to the attached manual. Figure 3-4As shown, the lower support positioning drive assembly 2 includes a lower shell 12, a support baffle 13 is fixedly installed on the inner bottom of the lower shell 12, a drive motor 14 is fixedly installed at the bottom center of the support baffle 13, the output end of the drive motor 14 is connected to a drive shaft that movably passes through the support baffle 13, a drive gear 15 is installed on the top of the drive shaft, and a center positioning assembly 16 is meshed on both sides of the drive gear 15, and a strip groove 17 is symmetrically opened on the top of the lower shell 12, and the center positioning assembly 16 includes two sliding rails 1 fixedly installed on the support baffle 13 8. Limit stops 25 are provided at both ends of the sliding track 18. Sliding blocks 19 are symmetrically slidably provided on the sliding track 18. A supporting cross plate 20 is connected between adjacent sliding blocks 19. Racks 21 are respectively meshed on both sides of the driving gear 15, and a guide column 22 is movably penetrated in the rack 21 and fixedly connected to the inner wall of the lower shell 12. The supporting cross plate 20 is fixedly connected to one end of the top of the corresponding rack 21 through a fixing block 23. The supporting cross plate 20 is fixedly connected to the clamping positioning plate 5 through two strip rods 24 that penetrate the strip groove 17. The drive motor 14 is provided to drive the drive gear 15 to rotate, so that the two racks 21 can achieve stable sliding under the guidance of the guide column 22, thereby driving the two supporting cross plates 20 to slide under the cooperation of the sliding track 18 and the sliding block 19 through the fixed block 23, and the supporting cross plate 20 drives the clamping and positioning plate 5 through the strip rod 24 to achieve the effect of centering positioning and clamping, thereby achieving the fixing effect on the distribution transformer body 6.

[0035] In one embodiment, please refer to the attached manual. Figure 5 As shown, the sliding guide assembly includes a U-shaped sliding groove 26 provided in the fixed support side plate 1, and the outer wall of the side limit plate 3 is provided with a guide pulley 27 matched with the U-shaped sliding groove 26, and the guide pulley 27 is installed on the outer wall of the side limit plate 3 through a support frame 28, and one end of the side limit plate 3 is symmetrically provided with a positioning baffle 29, and one end of the fixed support side plate 1 is symmetrically provided with a positioning groove 30 matched with the positioning baffle 29. The guide pulley 27 is provided to cooperate with the U-shaped sliding groove 26, so that the side limit plate 3 can slide into the fixed support side plate 1 conveniently, and the positioning baffle 29 is provided to cooperate with the positioning groove 30 to locate the position between the side limit plate 3 and the fixed support side plate 1.

[0036] In one embodiment, please refer to the attached manual. Figure 6As shown, the adjustable detection assembly 8 includes a second drive motor 31 fixed to one end of the outer wall of the upper detection operating table 7, the output end of the second drive motor 31 is connected to a transmission rod 32 extending into the upper detection operating table 7, the transmission rod 32 is respectively provided with two threaded areas 33 with opposite thread directions, and the threaded areas 33 are sleeved with threaded sleeves 34, the bottom of the upper detection operating table 7 is provided with an opening, and the bottom of the upper detection operating table 7 is fixedly installed with guide side plates 35 extending between the fixed support side plates 1 on both sides of the opening, and a lifting connecting plate 3 is slidably provided between the guide side plates 35. 6. A docking positioning assembly 37 is installed at the bottom of the lifting connection plate 36, and the docking positioning assembly 37 is electrically connected to the tester body 9 through a wire 39. An offset baffle 38 is installed between the guide side plates 35, and the wire 39 passes through the outer side of the offset baffle 38. A connecting block 40 is symmetrically installed on the lifting connection plate 36, and an inclined connecting rod 41 is movably connected between the connecting block 40 and the bottom of the threaded sleeve 34 through a rotating shaft. A guide vertical groove 43 is provided on the inner side of the guide side plate 35, and guide protrusions 42 matching the guide vertical groove 43 are provided at both ends of the lifting connection plate 36. The drive motor 31 is provided to drive the transmission rod 32 to rotate, and cooperates with the two threaded areas 33 with opposite thread directions on the transmission rod 32 to make the threaded sleeve 34 move in opposite directions thereon. When the threaded sleeve 34 moves, the lifting connecting plate 36 is driven by the action of the inclined connecting rod 41 to descend under the guidance of the guide vertical groove 43 and the guide protrusion 42, thereby driving the docking positioning component 37 to descend, and realize the docking work with the lower docking metal column 47 on the distribution transformer body 6. At the same time, it can give it a certain pressure so that it can always maintain a close contact state to avoid the problem of poor contact. The offset blocking rod 38 is provided to offset and block the wire 39 to avoid the problem of the wire 39 and the transmission rod 32 being entangled.

[0037] In one embodiment, please refer to the attached manual. Figure 7 As shown, the docking and positioning assembly 37 includes an outer ceramic insulating sleeve 44, and a docking port 45 is provided at one end of the outer ceramic insulating sleeve 44 away from the wire 39. A connecting seat 46 is installed on the distribution transformer body 6, and a lower docking metal column 47 is provided on the connecting seat 46. An inner contact connection assembly 48 is provided in the outer ceramic insulating sleeve 44. The overall safety is improved by the outer ceramic insulating sleeve 44, and the lower docking metal column 47 is used to cooperate with the docking and positioning assembly 37 to perform docking and positioning work.

[0038] In one embodiment, please refer to the attached manual. Figure 8As shown, the inner contact power connection component 48 includes an outer insulating rubber sleeve 49, an inner ceramic sleeve 50 is arranged inside the outer insulating rubber sleeve 49, a conical insertion port 51 is arranged at the bottom of the inner ceramic sleeve 50, the top of the conical insertion port 51 is connected to a docking cavity 52 matching the lower docking metal column 47, and a metal sheet 53 is fixedly installed on the inner top of the docking cavity 52, the metal sheet 53 is connected to the bottom end of the wire 39 through a connecting wire 54, and a plurality of rubber positioning protrusions 55 are embedded in the inner wall of the docking cavity 52. ​​By matching the outer insulating rubber sleeve 49 with the inner ceramic sleeve 50, the lower docking metal column 47 and the metal sheet 53 are completely insulated when connecting electricity, ensuring their safety. The lower docking metal column 47 is docked with the metal sheet 53 in the docking cavity 52, and the connection with the wire 39 through the connecting wire 54 realizes power supply.

[0039] In actual application, the distribution transformer body 6 is carried by the lower support positioning drive assembly 2 arranged between the fixed support side plates 1. During testing, the lower support positioning drive assembly 2 is pushed out from between the fixed support side plates 1, the baffle for front and rear positioning is removed and pulled out, and the sliding wheel is used to push it to move, and the distribution transformer body 6 is placed thereon, and the distribution transformer body 6 is positioned and clamped by driving the clamping positioning plate 5, and then the lower support positioning drive assembly 2 is reset, and the friction is reduced by the action of the sliding guide assembly, and the lower support positioning drive assembly 2 is restored to its original position. When testing, the adjustable detection assembly 8 is lowered and aligned with the distribution transformer body. 6 is docked with the connector on the tester body 9 to realize power-on, and the distribution transformer body 6 is powered on. After setting the corresponding detection data required by the button 11 on the tester body 9, the detection work can be carried out, and the detected data is transmitted to the tester body 9. Through the action of the intelligent sensor, high-precision information collection can be achieved. The present invention can use a traction device to transport the distribution transformer body 6 to the detection equipment in conjunction with the lower support positioning drive component 2 with a sliding wheel, and has good positioning and limiting for the distribution transformer body 6. When docking, it can ensure the contact force during docking, avoid the problem of poor contact, and ensure the accuracy of the detection data.

[0040] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A distribution transformer energy efficiency parameter testing device based on intelligent sensors, characterized in that: The invention comprises a fixed support side plate (1), an upper detection operating table (7) is fixedly installed between the tops of the fixed support side plates (1), a load-bearing installation device is slidably installed at the bottom of the upper detection operating table (7) between the fixed support side plates (1), the load-bearing installation device comprises a lower support positioning drive assembly (2), a sliding wheel is arranged at the bottom of the lower support positioning drive assembly (2), side limit plates (3) are integrally connected to both sides of the top of the fixed support side plates (1), baffle plates are inserted at both ends of the side limit plates (3), and a sliding guide assembly is arranged between the side limit plates (3) and the fixed support side plates (1). The lower support positioning drive assembly (2) is symmetrically provided with a clamping positioning plate (5) on the inner side of the side limit plate (3); a distribution transformer body (6) is provided between the clamping positioning plates (5); an upper detection operating table (7) is fixedly installed between the tops of the fixed support side plates (1); an adjustable detection assembly (8) is embedded and fixedly installed at the bottom of the upper detection operating table (7); a tester body (9) is embedded and installed in the upper detection operating table (7); an intelligent sensor is provided in the tester body (9); and a display screen (10) and a button (11) are respectively provided on the tester body (9).

2. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 1 is characterized in that: The lower support positioning drive assembly (2) comprises a lower shell (12), a support baffle (13) is fixedly mounted on the inner bottom of the lower shell (12), a drive motor (14) is fixedly mounted at the bottom center of the support baffle (13), an output end of the drive motor (14) is connected to a drive shaft that movably passes through the support baffle (13), a drive gear (15) is mounted on the top end of the drive shaft, and center positioning assemblies (16) are meshed on both sides of the drive gear (15), and strip grooves (17) are symmetrically provided on the top of the lower shell (12).

3. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 2 is characterized in that: The centering positioning assembly (16) comprises two sliding rails (18) fixedly mounted on the supporting partition (13), and limit stops (25) are arranged at both ends of the sliding rails (18). Sliding blocks (19) are symmetrically slidably arranged on the sliding rails (18), and a supporting cross plate (20) is connected between adjacent sliding blocks (19). Racks (21) are respectively meshed on both sides of the driving gear (15), and guide columns (22) are movably arranged through the racks (21) and fixedly connected to the inner wall of the lower shell (12). The supporting cross plate (20) is fixedly connected to the top end of the corresponding rack (21) through a fixing block (23), and the supporting cross plate (20) is fixedly connected to the clamping positioning plate (5) through two strip rods (24) that penetrate the strip grooves (17).

4. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 3 is characterized in that: The sliding guide assembly comprises a U-shaped sliding groove (26) provided in the fixed support side plate (1); the outer wall of the side limit plate (3) is provided with a guide pulley (27) matched with the U-shaped sliding groove (26); the guide pulley (27) is installed on the outer wall of the side limit plate (3) through a support frame (28); one end of the side limit plate (3) is symmetrically provided with a positioning baffle (29); one end of the fixed support side plate (1) is symmetrically provided with a positioning groove (30) matched with the positioning baffle (29).

5. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 4 is characterized in that: The adjustable detection assembly (8) comprises a second drive motor (31) fixed to one end of the outer wall of the upper detection operation platform (7); the output end of the second drive motor (31) is connected to a transmission rod (32) extending into the upper detection operation platform (7); the transmission rod (32) is respectively provided with two threaded areas (33) with opposite thread directions, and the threaded areas (33) are each sleeved with a threaded sleeve (34); and the bottom of the upper detection operation platform (7) is provided with an opening.

6. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 5 is characterized in that: The bottom of the upper detection operating table (7) is located on both sides of the opening and is fixedly installed with guide side plates (35) extending between the fixed support side plates (1). A lifting connecting plate (36) is slidably arranged between the guide side plates (35). A docking positioning component (37) is installed at the bottom of the lifting connecting plate (36). The docking positioning component (37) is electrically connected to the tester body (9) through a wire (39). An offset blocking rod (38) is installed between the guide side plates (35). The wire (39) passes through the outer side of the offset blocking rod (38). A connecting block (40) is symmetrically installed on the lifting connecting plate (36). An inclined connecting rod (41) is movably connected between the connecting block (40) and the bottom of the threaded sleeve (34) through a rotating shaft. A guide vertical groove (43) is arranged on the inner side of the guide side plate (35). Guide protrusions (42) matching the guide vertical groove (43) are arranged at both ends of the lifting connecting plate (36).

7. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 6 is characterized in that: The docking positioning assembly (37) comprises an outer ceramic insulating sleeve (44), an end of the outer ceramic insulating sleeve (44) away from the wire (39) is provided with a docking port (45), a connecting seat (46) is installed on the distribution transformer body (6), a lower docking metal column (47) is provided on the connecting seat (46), and an inner contact connection assembly (48) is provided inside the outer ceramic insulating sleeve (44).

8. The distribution transformer energy efficiency parameter testing device based on intelligent sensor according to claim 7 is characterized in that: The inner contact electrical connection component (48) comprises an outer insulating rubber sleeve (49), an inner ceramic sleeve (50) is arranged inside the outer insulating rubber sleeve (49), a conical insertion opening (51) is arranged at the bottom of the inner ceramic sleeve (50), the top of the conical insertion opening (51) is connected to a docking cavity (52) matching the lower docking metal column (47), and a metal sheet (53) is fixedly installed on the inner top of the docking cavity (52), the metal sheet (53) is connected to the bottom end of the wire (39) through a connecting line (54), and a plurality of rubber positioning protrusions (55) are embedded in the inner wall of the docking cavity (52).

9. The testing method of the distribution transformer energy efficiency parameter testing device based on intelligent sensor according to any one of claims 1 to 8, characterized in that: The specific steps include: S1: Before testing, push the lower support positioning drive assembly (2) from between the fixed support side plates (1), remove and pull out the baffle plate used for front and rear positioning, push it to move by the action of the sliding wheel, place the distribution transformer body (6) on it, and position and clamp the distribution transformer body (6) by driving the clamping positioning plate (5); S2: resetting the lower support positioning drive assembly (2), reducing its friction through the action of the sliding guide assembly (4), and restoring the lower support positioning drive assembly (2) to its original position; S3: When testing, the adjustable detection component (8) is lowered to connect with the connector on the distribution transformer body (6) to realize power supply, and the distribution transformer body (6) is powered on; S4: After setting the corresponding data required for detection through the button (11) on the tester body (9), the detection work can be carried out, and the detected data is transmitted to the tester body (9). Through the function of the intelligent sensor, high-precision information collection can be achieved.

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