Electrical equipment partial discharge simulation and analysis device with protection structure

Abstract

The utility model relates to the field of electric appliance discharge simulation and analysis devices, in particular to an electric appliance partial discharge simulation and analysis device with a protection structure, which comprises an electric appliance bureau simulation table shell, and a voltage stabilizing source, an encoder, a boosting module and a wiring terminal are sequentially arranged at the rear end of the electric appliance bureau simulation table shell. The front end of the electric appliance bureau simulation bench housing is provided with a connecting cover, and the front end of the connecting cover is sequentially provided with a control bench, an observation port and a safety lock. According to the utility model, the rotary knob is rotated to enable the first screw rod to drive the two fixing blocks to clamp an electric appliance needing to be detected, so that the electric appliance is prevented from displacing in the detection process to influence the detection result, and the electric appliance is subjected to discharge simulation and analysis by simulating the partial discharge of the electric appliance and the voltage stabilizing source, the encoder, the boosting module and the wiring terminal. Wherein the console controls the partial discharge amount of the motor partial discharge simulation table through a signal line, and the size of the simulation electric appliance partial discharge detection electric appliance partial discharge is compared with the console to determine the accuracy of the electric appliance partial discharge detector.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric appliance discharge simulation and analysis device technical field especially, it relates to the electric appliance equipment partial discharge simulation and analysis device with protection structure. BACKGROUND

[0002] Partial discharge detection is an important and effective insulation state evaluation method for high-voltage electrical equipment, and has been extensively researched and applied in the diagnosis and evaluation of electrical equipment insulation state.

[0003] The traditional method is to carry out on-site testing, monitor the electrical equipment in the actual operating environment, and compare the output of the detection instrument with the actual equipment state to verify its accuracy in the real working environment. On-site testing may have the following problems: 1. Environmental factors: on-site testing is disturbed by environmental factors, such as the electromagnetic field around the electrical equipment, temperature changes, voltage fluctuations, etc., which may affect the test results, reducing accuracy and reliability, 2. Operation error: on-site testing requires the operator to correctly operate the detection instrument, improper operation may cause data collection errors or deviations, affecting the accuracy of the results, 3. Time and cost: on-site testing requires a lot of time and resources, especially when frequent testing is required, which increases additional costs and workload, reducing efficiency.

[0004] Therefore, in view of the above-mentioned problems of the existing electric appliance equipment partial discharge simulation and analysis device in the detection process, the external environment affects the test results, reducing accuracy and reliability, and on-site testing requires the operator to correctly operate the detection instrument, improper operation may cause data collection errors or deviations, affecting the accuracy of the results, therefore, the electric appliance equipment partial discharge simulation and analysis device with protection structure can be designed, the first screw rod drives two fixed blocks to clamp the electrical appliances to be detected by rotating the knob, preventing displacement of the electrical appliances during detection, affecting the test results, and the electrical appliances are discharged simulated and analyzed by simulating the electrical appliance partial discharge, the voltage stabilizing source, the encoder, the voltage boosting module and the terminal, wherein the console controls the electrical appliance partial discharge simulation table through the signal line to control the size of the partial discharge, compares the size of the electrical appliance partial discharge detection with the console to determine the accuracy of the electrical appliance partial discharge detector. SUMMARY

[0005] In order to overcome the problem that the existing electric appliance equipment partial discharge simulation and analysis device in the detection process, the external environment affects the test results, reducing accuracy and reliability, and on-site testing requires the operator to correctly operate the detection instrument, improper operation may cause data collection errors or deviations, affecting the accuracy of the results.

[0006] The utility model discloses a technical scheme for an electric appliance device partial discharge simulation and analysis device with a protection structure, comprising an electric appliance partial simulation table shell, a voltage stabilizer, an encoder, a voltage boosting module and a terminal are sequentially arranged at the rear end of the electric appliance partial simulation table shell, a connecting cover is arranged at the front end of the electric appliance partial simulation table shell, a control console, an observation port and a safety lock are sequentially arranged at the front end of the connecting cover, an electric appliance partial discharge simulator is arranged at the top end of the inner wall of the electric appliance partial simulation table shell at the rear end of the connecting cover, a fixing table is movably connected to the bottom end of the inner wall of the electric appliance partial simulation table shell below the electric appliance partial discharge simulator, fixing blocks are arranged at the two sides of the top surface of the fixing table, a knob is arranged at the bottom end of the fixing table on the opposite side of the two fixing blocks, one end of the knob extends to the inner side of the fixing table, and positioning blocks are arranged at the two sides of the front end surface of the fixing table.

[0007] Preferably, the first screw rod drives the two fixing blocks to clamp the electric appliance to be detected by rotating the knob, preventing displacement of the electric appliance during detection and affecting the detection result, and the voltage stabilizer, the encoder, the voltage boosting module and the terminal are used to simulate and analyze the discharge of the electric appliance, wherein the control console controls the partial discharge amount of the electric appliance partial simulation table through a signal line, the size of the electric appliance partial discharge is detected by the electric appliance partial discharge simulator and compared with the control console to determine the accuracy of the electric appliance partial discharge detector.

[0008] Preferably, the inner side of the electric appliance partial discharge simulator is provided with an electric appliance partial discharge detector, the voltage stabilizer, the encoder, the voltage boosting module and the terminal are bonded to the electric appliance partial simulation table shell by glue, the opposite sides of the voltage stabilizer, the encoder, the voltage boosting module and the terminal are provided with cables, the voltage stabilizer, the encoder, the voltage boosting module and the terminal are connected by the cables, the inner side of the control console is provided with a control chip, and the control console is electrically connected to the electric appliance partial discharge simulator, the voltage stabilizer, the encoder, the voltage boosting module and the terminal through the control chip.

[0009] Preferably, a hinge is arranged at the inner side of the electric appliance partial simulation table shell at the rear end of the connecting cover, the connecting cover is movably connected to the electric appliance partial simulation table shell through the hinge, and the opposite sides of the connecting cover and the electric appliance partial simulation table shell are provided with sealing rubber strips.

[0010] Preferably, first movable grooves are arranged at the inner sides of the electric appliance partial simulation table shell at the two sides of the fixing table, a positioning groove is arranged at the inner side of the first movable groove at one end of the positioning block, a connecting spring is arranged at the inner side of the fixing table of the positioning block, and the positioning block extends to the inner side of the positioning groove through the connecting spring.

[0011] Preferably, two fixing blocks are arranged, second movable grooves are arranged at the top end of the fixing table at the bottom ends of the fixing blocks, and the bottom ends of the fixing blocks extend to the inner sides of the second movable grooves.

[0012] As preferred, one end of the knob is provided with a first lead screw inside the fixed table, the first lead screw extends to the inside of the second movable groove through two fixed blocks, and the first lead screw is in mesh with the two fixed blocks.

[0013] As preferred, the first lead screw is a double-thread lead screw, the threads of the two ends of the first lead screw are symmetrical to each other, the top end of the knob is provided with a bevel gear at the intersection with the first lead screw, and the knob is in transmission connection with the first lead screw through the bevel gear.

[0014] The utility model discloses the beneficial effects of:

[0015] The first lead screw drives two fixed blocks to clamp the electric appliance to be detected by rotating the knob, prevents the displacement of the electric appliance in the detection process, and influences the detection result, and the electric appliance is discharged simulated and analyzed through the simulation electric appliance local place and the stabilized voltage source, the encoder, the boost module and the wiring terminal, wherein the console controls the local place size of the electric appliance local place simulation table through the signal line, compares the size of the electric appliance local place detection electric appliance local place with the console, and determines the accuracy of the electric appliance local place detector. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The whole structure schematic view of the utility model is shown.

[0017] Figure 2 The whole rear view structure schematic view of the utility model is shown.

[0018] Figure 3 The structure schematic view of the fixed table of the utility model is shown.

[0019] Figure 4 The internal structure schematic view of the fixed table of the utility model is shown.

[0020] Figure 5 The structure schematic view of the positioning block of the utility model is shown.

[0021] Mark the drawings: 1, electric appliance local place simulation table shell;2, observation port;3, safety lock;4, simulate electric appliance local place;5, stabilized voltage source;6, encoder;7, cable;8, boost module;9, wiring terminal;10, fixed table;11, first movable groove;12, fixed block;13, second movable groove;14, positioning block;15, knob;16, first lead screw;18, connecting spring;19, console;20, connecting cover. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: the partial discharge simulation and analysis device of electric appliance equipment with protection structure, including electrician local simulation platform shell 1, the rear end of electrician local simulation platform shell 1 is equipped with voltage stabilizer 5, encoder 6, boost module 8 and terminal 9 in proper order, the front end of electrician local simulation platform shell 1 is equipped with the connecting cover 20, the front end of connecting cover 20 is equipped with control platform 19, observation port 2 and safety lock 3 in proper order, the rear end of connecting cover 20 is located in the inside of electrician local simulation platform shell 1 and is equipped with the hinge, connecting cover 20 is connected with electrician local simulation platform shell 1 swing through the hinge, the opposite surface of connecting cover 20 and electrician local simulation platform shell 1 is equipped with sealing rubber strip, and then the electrician local simulation platform shell 1 with connecting cover 20 is connected through the hinge, and the opposite surface of connecting cover 20 and electrician local simulation platform shell 1 is equipped with sealing rubber strip, improve the sealing property of connecting cover 20 and electrician local simulation platform shell 1, and the electrician local simulation platform shell 1 with connecting cover 20 is fixed through safety lock 3;

[0024] Please refer to Figures 2-3 In the embodiment, the rear end of connecting cover 20 is located in the top end of the inner wall of electrician local simulation platform shell 1 and is equipped with simulation electrician local discharge 4, the inside of simulation electrician local discharge 4 is equipped with electrician local detector, voltage stabilizer 5, encoder 6, boost module 8 and terminal 9 are bonded with electrician local simulation platform shell 1 through glue, the opposite surface of voltage stabilizer 5, encoder 6, boost module 8 and terminal 9 is equipped with cable 7, voltage stabilizer 5, encoder 6, boost module 8 and terminal 9 are connected through cable 7, the inside of control platform 19 is equipped with control chip, control platform 19 is electrically connected with simulation electrician local discharge 4, voltage stabilizer 5, encoder 6, boost module 8 and terminal 9 through control chip, and then the electric appliance is simulated and analyzed through simulation electrician local discharge 4 and voltage stabilizer 5, encoder 6, boost module 8 and terminal 9;

[0025] Please refer to Figures 2-4In the embodiment, the lower part of the analog electrical office is placed in the bottom end of the inner wall of the electrical office analog table shell 1. The fixed table 10 is movably connected. The two sides of the front end face of the fixed table 10 are provided with positioning blocks 14. The two sides of the top surface of the fixed table 10 are provided with fixed blocks 12. The opposite surfaces of the two fixed blocks 12 are provided with knobs 15 at the bottom end of the fixed table 10. One end of the knob 15 extends to the inner side of the fixed table 10. The two sides of the fixed table 10 are provided with first movable grooves 11 at the inner side of the electrical office analog table shell 1. One end of the positioning block 14 is provided with a positioning groove at the inner side of the first movable groove 11. The inner side of the positioning block 14 is provided with a connecting spring 18. The positioning block 14 extends to the inner side of the positioning groove through the connecting spring 18. The fixed block 12 is provided with two second movable grooves 13 at the top end of the fixed table 10. The bottom end of the fixed block 12 extends to the inner side of the second movable groove 13. One end of the knob 15 is provided with a first lead screw 16 at the inner side of the fixed table 10. The two ends of the first lead screw 16 extend to the inner side of the second movable groove 13 through the two fixed blocks 12. The first lead screw 16 is in mesh with the two fixed blocks 12. The first lead screw 16 is a double-thread lead screw. The threads at the two ends of the first lead screw 16 are symmetrical with each other. The top end of the knob 15 and the intersection of the first lead screw 16 are provided with bevel gears. The knob 15 is in transmission connection with the first lead screw 16 through the bevel gears. When the connecting cover 20 is opened, the fixed table 10 can be taken out from the inner side of the electrical office analog table shell 1. Then the knob 15 is rotated to drive the first lead screw 16 to rotate. The first lead screw 16 is in mesh with the two fixed blocks 12. The two fixed blocks 12 are relatively displaced through the first lead screw 16. The two fixed blocks 12 can clamp the electrical appliances to be detected. The displacement of the electrical appliances during detection is prevented. The detection result is affected. When the fixed table 10 is located in the inner side of the electrical office analog table shell 1, the positioning blocks 14 on both sides of the fixed table 10 extend to the inner side of the electrical office analog table shell 1. The fixed table 10 can fix the electrical office analog table shell 1 through the positioning blocks 14.

[0026] In the process of working, open the connecting cover 20, and then fix the table 10 from the inner side of the electric appliance local simulation table shell 1, and then rotate the knob 15, the knob 15 drives the first lead screw 16 to rotate, the first lead screw 16 is engaged with the two fixed blocks 12, and then the first lead screw 16 makes the two fixed blocks 12 relatively displace, so as to clamp the electric appliance to be detected by the two fixed blocks 12, prevent the electric appliance from displacing in the detection process, and affect the detection result, and when the fixed table 10 is located at the inner side of the electric appliance local simulation table shell 1, the positioning blocks 14 on both sides of the fixed table 10 extend to the inner side of the electric appliance local simulation table shell 1, so as to fix the electric appliance local simulation table shell 1 by the fixed table 10 through the positioning blocks 14, then close the connecting cover 20, the opposite surfaces of the connecting cover 20 and the electric appliance local simulation table shell 1 are provided with sealing rubber strips, the sealing property of the connecting cover 20 and the electric appliance local simulation table shell 1 is improved, the power supply is connected, the device is started, and the electric appliance is discharged simulated and analyzed by the simulation electric appliance local 4, the voltage stabilizing source 5, the encoder 6, the voltage boosting module 8 and the wiring terminal 9, wherein the console 19 controls the local discharge amount of the motor local simulation table through the signal line, the simulation electric appliance local 4 detects the size of the electric appliance local and compares with the console 19, and the accuracy of the electric appliance local discharge detector is determined.

[0027] Through the above steps, the first lead screw 16 drives the two fixed blocks 12 to clamp the electric appliance to be detected by rotating the knob 15, prevent the electric appliance from displacing in the detection process, affect the detection result, discharge simulate and analyze the electric appliance by the simulation electric appliance local 4, the voltage stabilizing source 5, the encoder 6, the voltage boosting module 8 and the wiring terminal 9, wherein the console 19 controls the local discharge amount of the motor local simulation table through the signal line, the simulation electric appliance local 4 detects the size of the electric appliance local and compares with the console 19, and the accuracy of the electric appliance local discharge detector is determined, solves the problem that the existing electric appliance local discharge simulation and analysis device is affected by the external environment in the detection process, reduces the accuracy and reliability, and the on-site test needs the operator to correctly operate the detector, improper operation may cause data collection error or deviation, thereby affecting the accuracy of the result.

Claims

1. Partial discharge simulation and analysis device for electrical equipment with protective structure, comprising an electrical partial simulation table shell (1); characterized in that: The rear end of the electric appliance department analog table shell (1) is sequentially provided with a voltage stabilizer (5), an encoder (6), a voltage boosting module (8) and a terminal (9), and the front end of the electric appliance department analog table shell (1) is provided with a connecting cover (20), the front end of the connecting cover (20) is sequentially provided with a control console (19), a viewing port (2) and a safety lock (3), and the rear end of the connecting cover (20) is located at the top of the inner wall of the electric appliance department analog table shell (1) and is provided with an analog electric appliance department (4), the bottom of the analog electric appliance department (4) is movably connected to the bottom of the inner wall of the electric appliance department analog table shell (1) and is provided with a fixed table (10), the top surface of the fixed table (10) is provided with a fixed block (12) on both sides, the opposite surface of the two fixed blocks (12) is provided with a knob (15) at the bottom of the fixed table (10), one end of the knob (15) extends to the inner side of the fixed table (10), and the front end surface of the fixed table (10) is provided with a positioning block (14) on both sides.

2. The partial discharge simulation and analysis apparatus for an electrical appliance with a shield structure according to claim 1, characterized by: The inner side of the analog electric appliance department (4) is provided with an electric appliance department detector, the voltage stabilizer (5), the encoder (6), the voltage boosting module (8) and the terminal (9) are bonded to the electric appliance department analog table shell (1) by glue, the opposite surfaces of the voltage stabilizer (5), the encoder (6), the voltage boosting module (8) and the terminal (9) are provided with cables (7), the voltage stabilizer (5), the encoder (6), the voltage boosting module (8) and the terminal (9) are connected through the cables (7), the inner side of the control console (19) is provided with a control chip, and the control console (19) is electrically connected to the analog electric appliance department (4), the voltage stabilizer (5), the encoder (6), the voltage boosting module (8) and the terminal (9) through the control chip.

3. The partial discharge simulation and analysis apparatus for an electrical appliance with a shield structure according to claim 1, characterized by: The rear end of the connecting cover (20) is located at the inner side of the electric appliance department analog table shell (1) and is provided with a hinge, the connecting cover (20) is movably connected to the electric appliance department analog table shell (1) through the hinge, and the opposite surfaces of the connecting cover (20) and the electric appliance department analog table shell (1) are provided with sealing rubber strips.

4. The partial discharge simulation and analysis apparatus for an electrical appliance with a shield structure according to claim 1, characterized by: The two sides of the fixed table (10) are provided with first movable grooves (11) at the inner side of the electric appliance department analog table shell (1), one end of the positioning block (14) is provided with a positioning groove at the inner side of the first movable groove (11), the inner side of the positioning block (14) located in the fixed table (10) is provided with a connecting spring (18), and the positioning block (14) extends to the inner side of the positioning groove through the connecting spring (18).

5. The partial discharge simulation and analysis apparatus for an electrical appliance with a protective structure according to claim 1, characterized by: There are two fixed blocks (12), and the bottom end of the fixed block (12) is provided with a second movable groove (13) at the top end of the fixed table (10), and the bottom end of the fixed block (12) extends to the inner side of the second movable groove (13).

6. The partial discharge simulation and analysis apparatus for an electrical appliance with a shield structure according to claim 1, characterized by: One end of the knob (15) is provided with a first lead screw (16) at the inner side of the fixed table (10), the two ends of the first lead screw (16) extend to the inner side of the second movable groove (13) through the two fixed blocks (12), and the first lead screw (16) and the two fixed blocks (12) are mutually engaged.

7. The partial discharge simulation and analysis apparatus for an electrical appliance with a shield structure according to claim 6, characterized by: The first screw rod (16) is a double-thread screw rod, the threads of the two ends of the first screw rod (16) are symmetrical to each other, the top end of the knob (15) is provided with a bevel gear at the intersection with the first screw rod (16), and the knob (15) is in transmission connection with the first screw rod (16) through the bevel gears.

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