Auxiliary robot for partial discharge detection of switch cabinet

Abstract

A switch cabinet partial discharge detection auxiliary robot relates to the switch cabinet partial discharge detection auxiliary technical field, and comprises a slide way and a detection device, the slide way is arranged on the top of a switch cabinet, the detection device is arranged on the slide way, the detection device is composed of a fixing frame and an ultrasonic detection head, the fixing frame is movably connected with the slide way, and the ultrasonic detection head is arranged on the fixing frame. The ultrasonic detection head is used for detecting the interior of the switch cabinet; the device is reasonable and practical in structure and easy to operate, detection equipment can move on the switch cabinets in rows conveniently, the switch cabinets can be opened conveniently to detect partial discharge in the switch cabinets, and the detection efficiency of the partial discharge in the switch cabinets is improved.

Description

Technical Field

[0001] The invention relates to the field of switch cabinet partial discharge detection auxiliary technology, and in particular to a switch cabinet partial discharge detection auxiliary robot. Background Art

[0002] As is known, switchgear is an important component of the power system, and its operating safety and stability are directly related to the reliability of the entire power grid. The internal environment of the switchgear is complex and the equipment is of various types. In addition, due to long-term operation wear and tear and the influence of the external environment, partial discharge is prone to occur inside the switchgear. Partial discharge will not only lead to the decline of equipment insulation performance and accelerate equipment aging, but may also cause fires and other safety accidents in severe cases, posing a serious threat to the safe and stable operation of the power system. The operating status of the switchgear is difficult to observe directly, and there are a large number of switchgears. The traditional switchgear partial discharge detection method mainly relies on manual inspections and power outage tests, which have low detection efficiency, poor accuracy, and a large impact on power users. To this end, we propose a switchgear partial discharge detection auxiliary robot. Summary of the invention

[0003] In order to overcome the shortcomings of the background technology, the present invention discloses a switch cabinet partial discharge detection auxiliary robot, a slide is arranged on the top of the switch cabinet, a fixed frame is installed on the slide, an ultrasonic detection head is installed on the fixed frame, and the ultrasonic detection head is movably connected to the slide through the fixed frame, so as to achieve the purpose of detecting partial discharge in the switch cabinet.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: A switch cabinet partial discharge detection auxiliary robot comprises a slide and a detection device. The slide is arranged on the top of the switch cabinet, the slide is provided with the detection device, the detection device consists of a fixed frame and an ultrasonic detection head, the fixed frame is movably connected to the slide, the fixed frame is provided with an ultrasonic detection head, and the ultrasonic detection head is used to detect inside the switch cabinet.

[0005] The ultrasonic detection head is composed of a shell, an ultrasonic detection sensor and a limit block. A third fixing hole is provided on one end of the shell, and the shell is connected to a fixing frame. An ultrasonic detection sensor is provided inside the other end of the shell. A fourth groove is provided on the outer wall of the shell at the end where the ultrasonic detection sensor is provided, and a limit block is provided in the fourth groove on the shell.

[0006] The limit block is composed of a third electric telescopic rod and a limit plate, one end of the third electric telescopic rod is fixed in a fourth groove on the shell, the other end of the third electric telescopic rod is the limit plate, the limit plate is movably connected to the shell through the third electric telescopic rod, the limit plate is an arc structure, and one end of the inner wall of the limit plate close to the front surface is a slope structure.

[0007] The slideway is composed of a third fixed block, a second fixed block, a first electric telescopic rod and a first fixed block, both ends of the third fixed block are provided with second fixed blocks, the rear surface of the second fixed block is provided with the first electric telescopic rod, one end of the first electric telescopic rod is connected to the second fixed block, the other end of the first electric telescopic rod is provided with the first fixed block, the front surface of the first fixed block is provided with a first fixing hole, the first fixing hole penetrates the first fixed block, the first fixed block is sleeved on the first electric telescopic rod through the first fixing hole, the first fixed block is fixed to the top surface of the switch cabinet, and the second fixed block is movably connected to the first fixed block through the first electric telescopic rod.

[0008] The upper surface of the third fixing block has at least one tooth, and the teeth are arranged in order on the third fixing block, and a fixing frame is provided on the third fixing block.

[0009] The fixed frame is composed of a fourth fixed block, a sliding block, a second electric telescopic rod, a sixth fixed block and a fixed rod, the upper surface of the fourth fixed block is provided with a first groove on one end close to the front surface, the first groove on the fourth fixed block is provided with a sliding block, the upper surface of the fourth fixed block is provided with a second fixing hole on one end close to the rear surface, the second fixing hole penetrates the fourth fixed block, the second electric telescopic rod is provided in the second fixing hole on the fourth fixed block, one end of the second electric telescopic rod is fixed in the second fixing hole on the fourth fixed block, the other end of the second electric telescopic rod is provided with a sixth fixed block, and the fixing rod is provided on the sixth fixed block.

[0010] The left side surface of the fourth fixed block is provided with a second groove on one end close to the front surface, the second groove penetrates the fourth fixed block, the second groove on the fourth fixed block is connected with the first groove, a roller is provided on the bottom surface of the second groove on the fourth fixed block, at least one roller is provided, and the rollers are orderly arranged in the second groove on the fourth fixed block, the fourth fixed block is sleeved on the third fixed block through the second groove, and the fourth fixed block is movably connected to the third fixed block.

[0011] The sliding block is composed of a fifth fixed block, a servo motor and a gear. The fifth fixed block is fixed in the first groove on the fourth fixed block. A third groove is provided on the lower surface of the fifth fixed block. A servo motor is provided inside the fifth fixed block. A gear is provided on the servo motor. The gear passes through the third groove on the fifth fixed block and is stuck on the teeth of the third fixed block. The gear is meshed with the teeth on the third fixed block.

[0012] One end of the fixing rod is connected to the sixth fixing block, the fixing rod is made of elastic material, and the other end of the fixing rod is fixed in the third fixing hole on the shell.

[0013] Due to the adoption of the above technical solution, the present invention has the following beneficial effects: The switch cabinet partial discharge detection auxiliary robot described in the present invention has a slideway arranged on the top of the switch cabinet, a fixing frame installed on the slideway, and an ultrasonic detection head installed on the fixing frame. The ultrasonic detection head is movably connected to the slideway through the fixing frame, so as to achieve the purpose of detecting partial discharge in the switch cabinet. The present invention has a reasonable and practical structure and is easy to operate. It is not only convenient to move the detection equipment on the switch cabinets in a row, but also convenient to open the switch cabinet to detect partial discharge in the switch cabinet, thereby improving the efficiency of detecting partial discharge in the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the slide structure of the present invention; Figure 3 It is a schematic diagram of the structure of the detection device of the present invention; Figure 4 It is a schematic diagram of the structure of the sliding block of the present invention; Figure 5 It is a schematic diagram of the structure of the ultrasonic detection head of the present invention; Figure 6 It is a schematic diagram of the limit block structure of the present invention; Figure 7 It is a schematic diagram of the installation structure of the present invention; 1. slideway; 2. detection device; 3. first fixed block; 4. first fixed hole; 5. first electric telescopic rod; 6. second fixed block; 7. third fixed block; 8. tooth; 9. second fixed hole; 10. sliding block; 11. ultrasonic detection head; 12. first groove; 13. fourth fixed block; 14. second groove; 15. roller; 16. second electric telescopic rod; 17. fixed frame; 18. fifth fixed block; 19. servo motor; 20. third groove; 21. gear; 22. sixth fixed block; 23. fixed rod; 24. fourth groove; 25. third fixed hole; 26. shell; 27. ultrasonic detection sensor; 28. limit block; 29. ​​third electric telescopic rod; 30. limit plate. DETAILED DESCRIPTION

[0015] The present invention can be explained in detail by the following examples, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0016] Combined with Figures 1 to 7 A switch cabinet partial discharge detection auxiliary robot comprises a slide 1 and a detection device 2. The slide 1 is arranged on the top of the switch cabinet, and the detection device 2 is arranged on the slide 1. The detection device 2 is composed of a fixing frame 17 and an ultrasonic detection head 11. The fixing frame 17 is movably connected to the slide 1, and the fixing frame 17 is provided with an ultrasonic detection head 11. The ultrasonic detection head 11 is used to detect inside the switch cabinet.

[0017] The ultrasonic detection head 11 is composed of a shell 26, an ultrasonic detection sensor 27 and a limit block 28. A third fixing hole 25 is provided on one end of the shell 26. The shell 26 is connected to the fixing frame 17. An ultrasonic detection sensor 27 is provided inside the other end of the shell 26. A fourth groove 24 is provided on the outer wall of the shell 26 at the end where the ultrasonic detection sensor 27 is provided. A limit block 28 is provided in the fourth groove 24 on the shell 26.

[0018] The limit block 28 is composed of a third electric telescopic rod 29 and a limit plate 30. One end of the third electric telescopic rod 29 is fixed in the fourth groove 24 on the shell 26, and the other end of the third electric telescopic rod 29 is the limit plate 30. The limit plate 30 is movably connected to the shell 26 through the third electric telescopic rod 29. The limit plate 30 is an arc structure, and one end of the inner wall of the limit plate 30 close to the front surface is a slope structure.

[0019] The slide 1 is composed of a third fixed block 7, a second fixed block 6, a first electric telescopic rod 5 and a first fixed block 3. The second fixed blocks 6 are provided at both ends of the third fixed block 7. The first electric telescopic rod 5 is provided on the rear surface of the second fixed block 6. One end of the first electric telescopic rod 5 is connected to the second fixed block 6. The other end of the first electric telescopic rod 5 is provided with the first fixed block 3. The front surface of the first fixed block 3 is provided with a first fixing hole 4. The first fixing hole 4 penetrates the first fixed block 3. The first fixed block 3 is sleeved on the first electric telescopic rod 5 through the first fixing hole 4. The first fixed block 3 is fixed on the top surface of the switch cabinet. The second fixed block 6 is movably connected to the first fixed block 3 through the first electric telescopic rod 5.

[0020] The third fixing block 7 has at least one tooth 8 on its upper surface. The teeth 8 are arranged in an orderly manner on the third fixing block 7 . A fixing frame 17 is provided on the third fixing block 7 .

[0021] The fixing frame 17 is composed of a fourth fixing block 13, a sliding block 10, a second electric telescopic rod 16, a sixth fixing block 22 and a fixing rod 23. The upper surface of the fourth fixing block 13 is provided with a first groove 12 at one end close to the front surface. The sliding block 10 is arranged in the first groove 12 on the fourth fixing block 13. The upper surface of the fourth fixing block 13 is provided with a second fixing hole 9 at one end close to the rear surface. The second fixing hole 9 penetrates the fourth fixing block 13. The second electric telescopic rod 16 is arranged in the second fixing hole 9 on the fourth fixing block 13. One end of the second electric telescopic rod 16 is fixed in the second fixing hole 9 on the fourth fixing block 13. The other end of the second electric telescopic rod 16 is provided with a sixth fixing block 22. The fixing rod 23 is arranged on the sixth fixing block 22.

[0022] A second groove 14 is provided on the left side of the fourth fixed block 13 at one end close to the front surface, and the second groove 14 runs through the fourth fixed block 13. The second groove 14 on the fourth fixed block 13 is communicated with the first groove 12. A roller 15 is provided on the bottom surface of the second groove 14 on the fourth fixed block 13. At least one roller 15 is provided, and the rollers 15 are orderly arranged in the second groove 14 on the fourth fixed block 13. The fourth fixed block 13 is sleeved on the third fixed block 7 through the second groove 14, and the fourth fixed block 13 is movably connected to the third fixed block 7.

[0023] The sliding block 10 is composed of a fifth fixed block 18, a servo motor 19 and a gear 21. The fifth fixed block 18 is fixed in the first groove 12 on the fourth fixed block 13. A third groove 20 is provided on the lower surface of the fifth fixed block 18. A servo motor 19 is provided inside the fifth fixed block 18. The servo motor 19 is provided with a gear 21. The gear 21 passes through the third groove 20 on the fifth fixed block 18 and is stuck on the tooth 8 of the third fixed block 7. The gear 21 is meshed with the tooth 8 on the third fixed block 7.

[0024] One end of the fixing rod 23 is connected to the sixth fixing block 22 . The fixing rod 23 is made of elastic material. The other end of the fixing rod 23 is fixed in the third fixing hole 25 on the housing 26 .

[0025] Embodiment 1, a switch cabinet partial discharge detection auxiliary robot, when in use, the first electric telescopic rod 5 is fixed to the top of the switch cabinet through the first fixing block 3, the second fixing block 6 is fixed to the first electric telescopic rod 5, the third fixing block 7 is fixed to the second fixing block 6, the fourth fixing block 13 is installed on the third fixing block 7, the gear 21 is driven to rotate by the servo motor 19, the gear 21 rotates on the teeth 8 of the third fixing block 7 to drive the fourth fixing block 13 to move on the third fixing block 7, and the roller 15 on the fourth fixing block 13 lowers the fourth fixing block 13 and the third fixing block 13. The friction force between the fixed blocks 7 fixes the second electric telescopic rod 16 on the fourth fixed block 13, and the housing 26 is fixed on the second electric telescopic rod 16 through the fixed rod 23 and the sixth fixed block 22. An ultrasonic detection sensor 27 is arranged in the housing 26. A micro camera can also be installed on the housing 26 according to needs. The first electric telescopic rod 5, the second electric telescopic rod 16, the third electric telescopic rod 29, the servo motor 19, the ultrasonic detection sensor 27 and the micro camera are all connected to the single-chip microcomputer. The model of the single-chip microcomputer is 89C51. The specific connection method of the single-chip microcomputer pins It is common knowledge for those skilled in the art to refer to the technical manual. The staff can program the operation process into the single chip computer, and move the housing 26 to the specified position through the cooperation of the first electric telescopic rod 5, the second electric telescopic rod 16 and the servo motor 19, and push the limit plate 30 out of the fourth groove 24 on the housing 26 through the extension of the third electric telescopic rod 29, and the limit plate 30 is hooked on the handle of the switch cabinet door. The switch cabinet door is opened through the cooperation of the first electric telescopic rod 5, the second electric telescopic rod 16 and the servo motor 19, and then the third electric telescopic rod 29 is retracted to push the limit plate 30 out of the fourth groove 24 on the housing 26. 0 is received into the fourth groove 24 on the shell 26, and the first electric telescopic rod 5, the second electric telescopic rod 16 and the servo motor 19 drive the ultrasonic detection sensor 27 and the micro camera to move in the closed cabinet door again, and the ultrasonic detection sensor 27 is used to detect the partial discharge in the switch cabinet, and the micro camera is used to observe the inside of the switch cabinet; the present invention has a reasonable and practical structure and is easy to operate. It is not only convenient to move the detection equipment on the switch cabinets in a row, but also convenient to open the switch cabinet to detect the partial discharge in the switch cabinet, thereby improving the efficiency of detecting the partial discharge in the switch cabinet.

[0026] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred implementation scheme, there are many methods and approaches to specifically implement the technical solution. The above is only a preferred implementation scheme of the present invention, but technical personnel in the relevant field should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention defined by the attached claims, which are all within the scope of protection of the present invention.

Claims

1. A switch cabinet partial discharge detection auxiliary robot, comprising a slide and a detection device, wherein the slide is arranged on the top of the switch cabinet and the detection device is arranged on the slide, and the characteristics are: The detection device consists of a fixing frame and an ultrasonic detection head. The fixing frame is movably connected to the slideway. The ultrasonic detection head is arranged on the fixing frame. The ultrasonic detection head is used to detect inside the switch cabinet.

2. A switch cabinet partial discharge detection auxiliary robot according to claim 1, characterized in that: The ultrasonic detection head is composed of a shell, an ultrasonic detection sensor and a limit block. A third fixing hole is provided on one end of the shell, and the shell is connected to a fixing frame. An ultrasonic detection sensor is provided inside the other end of the shell. A fourth groove is provided on the outer wall of the shell at the end where the ultrasonic detection sensor is provided, and a limit block is provided in the fourth groove on the shell.

3. A switch cabinet partial discharge detection auxiliary robot according to claim 2, characterized in that: The limit block is composed of a third electric telescopic rod and a limit plate, one end of the third electric telescopic rod is fixed in a fourth groove on the shell, the other end of the third electric telescopic rod is the limit plate, the limit plate is movably connected to the shell through the third electric telescopic rod, the limit plate is an arc structure, and one end of the inner wall of the limit plate close to the front surface is a slope structure.

4. A switch cabinet partial discharge detection auxiliary robot according to any one of claims 1 to 3, characterized in that: The slideway is composed of a third fixed block, a second fixed block, a first electric telescopic rod and a first fixed block, both ends of the third fixed block are provided with second fixed blocks, the rear surface of the second fixed block is provided with the first electric telescopic rod, one end of the first electric telescopic rod is connected to the second fixed block, the other end of the first electric telescopic rod is provided with the first fixed block, the front surface of the first fixed block is provided with a first fixing hole, the first fixing hole penetrates the first fixed block, the first fixed block is sleeved on the first electric telescopic rod through the first fixing hole, the first fixed block is fixed to the top surface of the switch cabinet, and the second fixed block is movably connected to the first fixed block through the first electric telescopic rod.

5. A switch cabinet partial discharge detection auxiliary robot according to claim 4, characterized in that: The upper surface of the third fixing block has at least one tooth, and the teeth are arranged in order on the third fixing block, and a fixing frame is provided on the third fixing block.

6. A switch cabinet partial discharge detection auxiliary robot according to claim 5, characterized in that: The fixed frame is composed of a fourth fixed block, a sliding block, a second electric telescopic rod, a sixth fixed block and a fixed rod, the upper surface of the fourth fixed block is provided with a first groove on one end close to the front surface, the first groove on the fourth fixed block is provided with a sliding block, the upper surface of the fourth fixed block is provided with a second fixing hole on one end close to the rear surface, the second fixing hole penetrates the fourth fixed block, the second electric telescopic rod is provided in the second fixing hole on the fourth fixed block, one end of the second electric telescopic rod is fixed in the second fixing hole on the fourth fixed block, the other end of the second electric telescopic rod is provided with a sixth fixed block, and the fixing rod is provided on the sixth fixed block.

7. A switch cabinet partial discharge detection auxiliary robot according to claim 6, characterized in that: The left side surface of the fourth fixed block is provided with a second groove on one end close to the front surface, the second groove penetrates the fourth fixed block, the second groove on the fourth fixed block is connected with the first groove, a roller is provided on the bottom surface of the second groove on the fourth fixed block, at least one roller is provided, and the rollers are orderly arranged in the second groove on the fourth fixed block, the fourth fixed block is sleeved on the third fixed block through the second groove, and the fourth fixed block is movably connected to the third fixed block.

8. The switch cabinet partial discharge detection auxiliary robot according to claim 7 is characterized in that: The sliding block is composed of a fifth fixed block, a servo motor and a gear. The fifth fixed block is fixed in the first groove on the fourth fixed block. A third groove is provided on the lower surface of the fifth fixed block. A servo motor is provided inside the fifth fixed block. A gear is provided on the servo motor. The gear passes through the third groove on the fifth fixed block and is stuck on the teeth of the third fixed block. The gear is meshed with the teeth on the third fixed block.

9. A switch cabinet partial discharge detection auxiliary robot according to claim 8, characterized in that: One end of the fixing rod is connected to the sixth fixing block, the fixing rod is made of elastic material, and the other end of the fixing rod is fixed in the third fixing hole on the shell.

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