CN214067314U - Detection device is put in GIS ultrasonic wave office - Google Patents
Detection device is put in GIS ultrasonic wave office Download PDFInfo
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- CN214067314U CN214067314U CN202022513589.9U CN202022513589U CN214067314U CN 214067314 U CN214067314 U CN 214067314U CN 202022513589 U CN202022513589 U CN 202022513589U CN 214067314 U CN214067314 U CN 214067314U
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 239000012212 insulator Substances 0.000 claims description 28
- 238000013016 damping Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 244000309464 bull Species 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
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- Testing Relating To Insulation (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a GIS ultrasonic partial discharge detection device, which comprises an insulating rod, a connecting platform, a fixed seat and an ultrasonic sensor, wherein the upper end surface of the connecting platform is provided with a gear box and a micro motor, the lower end surface is connected with the insulating rod, the interior of the gear box is provided with a pinion and a gear wheel, the pinion is arranged on a first rotating shaft, one end of the first rotating shaft passes through the left side wall of the gear box and is connected with the micro motor, the other end of the first rotating shaft is connected with the right side wall of the gear box, the gear wheel is meshed with a gear wheel, the gear wheel is provided with a second rotating shaft, one end of the second rotating shaft passes through the gear wheel and is connected with the left side wall of the gear box, the other end passes through the right side wall of the gear box and is connected with a force arm arranged outside the, one side is provided with the camera on the fixing base. The utility model discloses adjustable length, the laminating is effectual, and can real time monitoring.
Description
Technical Field
The utility model relates to a detection technology is put in GIS ultrasonic wave office, in particular to detection device is put in GIS ultrasonic wave office.
Background
In the live detection, generally, in the operating state of the electrical equipment, a worker acquires and transmits signals of the operating high-voltage equipment, processes data and the like by using technologies such as a sensor and an electronic computer to realize the acquisition of the operating state of the electrical equipment or the uninterrupted real-time monitoring.
GIS (gas insulated metal enclosed switchgear, also called as combined electrical apparatus for short) is a compact, high-voltage, large-capacity novel switchgear, which is widely applied in substations, and improper behaviors in the processes of manufacturing, transporting, installing, operating and maintaining may cause internal defects of the switchgear, cause partial discharge, and various types of partial discharge in the switchgear can be found through an ultrasonic partial discharge detector.
The traditional GIS ultrasonic partial discharge test is time-consuming and labor-consuming, part of the test needs to be ascended or detected in a narrow gap, and the risk of endangering the safety of personnel and equipment exists; when the traditional handheld sensor is used for testing a higher detection point, a climbing tool is needed, and the time is consumed; in field work, a detection point tester with a common height can detect the height only by standing, and when the tester encounters a higher detection point, the tester can not reach the detection point only by stretching a hand of the tester, and can only perform ascending detection by means of a ladder.
Among the prior art, three-phase box-separated GIS test completion rate is not high, discover in the scene, when testing three-phase box-separated structure GIS, there is personnel to stretch out the test point inadequately, the ladder does not have the condition that the space was arranged yet simultaneously, lead to that individual position can't test according to the rule requirement, influence the test completion rate, some positions if should accomplish the test, need the tester to scramble on the casing or bore and crowd into the equipment clearance and lay the sensor, make the casing bear the oppression of human gravity, probably make the fragile position of casing (like telescopic joint department) deformation or damage, also cause personnel to collide with or scotch easily.
GIS ultrasonic wave partial discharge detection needs the handheld ultrasonic sensor of tester, hugs closely it and acquires the internal discharge signal on the GIS casing, and finds in field work that there is GIS ultrasonic wave partial discharge to detect and can not hug closely and acquire the internal discharge signal on the GIS casing, because the detection site is high, also can not observe actual conditions.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, and the GIS ultrasonic partial discharge detection device is simple in structure and convenient to use.
The utility model discloses a technical scheme who solves technical problem and take is:
the utility model provides a detection device is put in GIS ultrasonic wave office, includes insulator spindle, connection platform, fixing base and ultrasonic sensor, be provided with gear box and micromotor on the connection platform up end, be connected with on the lower terminal surface the insulator spindle, the micromotor sets up in gear box one side, the inside pinion and the gear wheel of being provided with of gear box, the pinion sets up on first rotation axis, first rotation axis sets up in the inside latter half of gear box, first rotation axis one end is passed behind the left side wall of gear box with the micromotor is connected, the other end with the right side wall connection of gear box, the meshing has the gear wheel on the pinion, the gear wheel sets up the top of pinion, be provided with the second rotation axis on the gear wheel, the second rotation axis passes behind the gear wheel one end with the left side wall connection of gear box, the other end passes behind the right side wall of gear box with set up the outside arm of force of gear box is connected, keep away from on the arm of force the one end of second rotation axis is provided with the fixing base, be provided with the sensor fixed orifices on the preceding terminal surface of fixing base, be provided with in the sensor fixed orifices ultrasonic sensor, be provided with the support on the fixing base, the support is kept away from the one end of fixing base is provided with the camera.
The first rotation axis with the left side wall and the right side wall junction of gear box are equallyd divide and are provided with first bearing respectively, the second rotation axis with the left side wall and the right side wall junction of gear box are equallyd divide and are provided with the second bearing respectively, the second rotation axis with the arm of force is the vertical connection.
The assembling direction of the camera is perpendicular to the end face of the fixing seat where the ultrasonic sensor is located, so that the camera can monitor the attaching condition between the ultrasonic sensor and the surface of an object to be detected.
The force arm is movably connected with the fixed seat in a damping mode, and the sensor fixing hole is fixed with the ultrasonic sensor in a tight fit mode.
The utility model discloses a joint, including insulator spindle, connecting platform, insulator spindle are two sections at least, every section all be one end on the insulator spindle and be provided with the external screw thread, the other end is provided with the internal screw hole, the external screw thread with the internal screw hole is the configuration of matching mutually, be provided with on connecting platform's the lower terminal surface with external screw thread assorted inboard screw hole on the insulator spindle, the one end that has the external screw thread on the insulator spindle utilize the external screw thread with inboard screw hole connects, and then with connecting platform connects, the one end that has the internal screw hole on the insulator spindle is connected, pushes away mutually in proper order, keeps away from at last connecting platform is provided with the apron in the insulator spindle internal screw hole.
The micro motor is a positive and negative rotation motor, and the micro motor and the ultrasonic sensor are connected with a handheld detection instrument through signal lines.
A using method of a GIS ultrasonic partial discharge detection device comprises the following steps:
determining an object detection point according to the field condition;
when in use, the ultrasonic sensor is placed in the sensor fixing seat, and the camera is adjusted;
connecting one or more sections of insulating rods according to the actual detection height of the object detection point, and covering one end farthest away from the ultrasonic pen sensor by using a cover plate to prevent pricking;
step four, connecting the ultrasonic sensor with a detection instrument by using a signal wire;
turning on a power switch, and adjusting a bracket of the camera to enable the camera to clearly monitor the bonding condition between the ultrasonic sensor and the surface of the object to be detected;
step six, a micro-motor starting button and an operating button on a handheld operating terminal are used for opening and controlling the micro-motor, the micro-motor is used for attaching the ultrasonic sensor to the detection position of the equipment through a small gear, a large gear, arm swinging and a fixed seat, if an inclination angle is attached between the ultrasonic sensor and the surface of an object to be detected, the damping type movable connection between the arm and the fixed seat is used for fine angle adjustment, so that the ultrasonic sensor can be completely attached to the detection device;
step seven, recording data after the instrument detection is finished, and then replacing the detection position;
and step eight, after the detection position is replaced, repeating the step five to the step seven, and finishing the ultrasonic live detection work of all the detection points.
The utility model discloses an actively beneficial effect is:
1. the utility model discloses in be provided with two sections at least dismantled insulator spindle, can be applicable to the local current detection of low department and eminence, combination formula insulator spindle, length and security satisfy needs, also be careful to the detection position that is difficult to touch in narrow and small space, can improve work efficiency greatly, and when utilizing this pole to carry out high altitude measurement, can practice thrift corresponding measuring time, reduce equipment and personnel's safe risk.
2. The utility model discloses in be provided with motor and gear box, utilize the motor to drive the inside gear revolve of gear box, the gear drives the arm swing of power, and the arm of force drives ultrasonic sensor swing, realizes ultrasonic sensor and the laminating that will detect the object surface and withdraws, realizes that ultrasonic sensor probe angularly adjustable realizes the laminating of each angle and detects, and whole loading and unloading is nimble, can touch and be located functions such as check point in eminence and narrow and small space.
3. The utility model discloses well arm of force is damping formula swing joint with the fixing base, can finely tune behind ultrasonic wave and the laminating of object surface, realizes the inseparable laminating of ultrasonic wave and object surface.
4. The utility model discloses in be provided with the camera, can monitor ultrasonic sensor and the laminating condition between the object surface that will detect, make things convenient for the operator can adjust the laminating angle between them according to actual conditions, realize clear accurate location.
5. The utility model discloses well utilization pinion drives the gear wheel and rotates, can realize the effect of speed reduction, and the motor is just reversing motor a little, can utilize the positive and negative rotation of motor to realize the seesaw of the arm of force.
Drawings
Fig. 1 is a schematic structural view of a GIS ultrasonic partial discharge detection device of the present invention;
FIG. 2 is a schematic view of the external and internal structure of the gearbox of the attachment platform of FIG. 1;
FIG. 3 is a schematic view of the structure of the insulating rod of FIG. 1;
fig. 4 is a bottom view of fig. 3.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments:
referring to fig. 1, 2, 3 and 4, in which: 1-insulating rod, 2-connecting platform, 3-fixing seat, 4-ultrasonic sensor, 5-gear box, 6-micromotor, 7-pinion, 8-gearwheel, 9-first rotating shaft, 10-second rotating shaft, 11-force arm, 12-bracket, 13-camera, 14-first bearing, 15-second bearing, 16-external thread, 17-internal thread hole and 18-cover plate.
Example (b): a GIS ultrasonic partial discharge detection device comprises an insulating rod 1, a connecting platform 2, a fixed seat 3 and an ultrasonic sensor 4, wherein a gear box 5 and a micro motor 6 are arranged on the upper end surface of the connecting platform 2, the insulating rod 1 is connected on the lower end surface, the micro motor 6 is arranged on one side of the gear box 5, a pinion 7 and a bull gear 8 are arranged inside the gear box 5, the pinion 7 is arranged on a first rotating shaft 9, the first rotating shaft 9 is arranged on the lower half part inside the gear box 5, one end of the first rotating shaft 9 penetrates through the left side wall of the gear box 5 and then is connected with the micro motor 6, the other end of the first rotating shaft is connected with the right side wall of the gear box 5, the bull gear 8 is meshed on the pinion 7, the bull gear 8 is arranged above the pinion 7, a second rotating shaft 10 is arranged on the bull gear 8, one end of the second rotating shaft 10 penetrates through the bull gear 8 and then is connected with the left side wall of the gear box 5, the other end penetrates through the right side wall of the gear box 5 and then is connected with a moment arm 11 arranged outside the gear box 5, one end of the force arm 11, which is far away from the second rotating shaft 10, is provided with a fixed seat 3, a sensor fixing hole is formed in the front end face of the fixed seat 3, an ultrasonic sensor 4 is arranged in the sensor fixing hole, a support 12 is arranged on the fixed seat 3, and one end, far away from the fixed seat 3, of the support 12 is provided with a camera 13.
The joints of the first rotating shaft 9 and the left side wall and the right side wall of the gear box 5 are respectively provided with a first bearing 14, the joints of the second rotating shaft 10 and the left side wall and the right side wall of the gear box 5 are respectively provided with a second bearing 15, and the second rotating shaft 10 is vertically connected with the force arm 11.
The assembly direction of the camera 13 is perpendicular to the end face of the fixing base 3 where the ultrasonic sensor 4 is located, so that the camera 13 can monitor the attaching condition between the ultrasonic sensor 4 and the surface of an object to be detected.
The force arm 11 and the fixed seat 3 are movably connected in a damping mode, and the sensor fixing hole and the ultrasonic sensor 4 are fixed together in a tight fit mode.
The micromotor 6 is a positive and negative rotation motor, the micromotor 6 and the ultrasonic sensor 4 are connected with a handheld detection instrument through signal lines, and the detection result is controlled and displayed through the handheld detection instrument.
A using method of a GIS ultrasonic partial discharge detection device comprises the following steps:
determining an object detection point according to the field condition;
when in use, the ultrasonic sensor 4 is placed in the sensor fixing seat 3, and the camera 13 is adjusted;
thirdly, connecting one or more sections of insulating rods 1 according to the actual detection height of the object detection point, and covering one end, which is farthest away from the ultrasonic pen sensor, with a cover plate 18 to prevent pricking;
step four, connecting the ultrasonic sensor 4 with a detection instrument by using a signal wire;
step five, turning on a power switch, adjusting the bracket 12 of the camera 13, and enabling the camera 13 to clearly monitor the bonding condition between the ultrasonic sensor 4 and the surface of the object to be detected;
step six, a starting button and an operating button of a micro-motor 6 on a handheld operating terminal are used for opening and controlling the micro-motor 6, the micro-motor 6 is used for attaching an ultrasonic sensor 4 to the detection position of the equipment through swinging of a small gear 7, a large gear 8 and a force arm 11 and a fixed seat 3, if an inclination angle is attached between the ultrasonic sensor 4 and the surface of an object to be detected, the damping type movable connection between the force arm 11 and the fixed seat 3 is used for fine angle adjustment, so that the ultrasonic sensor 4 can be completely attached to the detection device;
step seven, recording data after the instrument detection is finished, and then replacing the detection position;
and step eight, after the detection position is replaced, repeating the step five to the step seven, and finishing the ultrasonic live detection work of all the detection points.
When in operation, firstly, the contact type ultrasonic sensor 4 is put into the fixed seat 3, the required length of the insulating rod 1 is calculated according to the field condition, the insulating rod 1 is assembled, the insulating rod 1 is connected with the connecting platform 2, the sensor and the motor are connected with a detection instrument by using a signal wire, then, the power switch is turned on, the bracket 12 of the camera 13 is adjusted, the camera 13 can clearly monitor the bonding condition between the ultrasonic sensor 4 and the surface of an object to be detected, the micro motor 6 is turned on and controlled by using the start button and the operation button of the micro motor 6 on the handheld operation terminal, the micro motor 6 is driven to rotate forward and backward by using the forward and backward rotation of the micro motor 7, the pinion 7 drives the bull gear 8 to rotate, the bull gear 8 drives the power arm 11 to swing, the arm 11 drives the ultrasonic sensor 4 to swing, and the bonding and the evacuation of the ultrasonic sensor 4 and the surface of the object to be detected are realized, if an inclination angle is adhered between the ultrasonic sensor 4 and the surface of an object to be detected, fine adjustment can be performed by utilizing damping type movable connection between the force arm 11 and the fixed seat 3, so that the ultrasonic wave is tightly adhered to the surface of the object, the contact type ultrasonic sensor 4 is placed at the detection position of equipment and tightly adhered to the equipment through the assembled insulating rod 1, and the detection position is replaced after the detection of an instrument and the display of a result are finished; and after the detection position is changed, repeating the steps to finish the ultrasonic live detection work of all the detection points.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (6)
1. The utility model provides a detection device is put in GIS ultrasonic wave office, includes insulator spindle, connection platform, fixing base and ultrasonic sensor, characterized by: be provided with gear box and micromotor on the connection platform up end, be connected with the insulator spindle on the lower terminal surface, the micromotor sets up in gear box one side, the inside pinion and the gear wheel that is provided with of gear box, the pinion sets up on first rotation axis, first rotation axis sets up the inside latter half of gear box, first rotation axis one end is passed behind the left side wall of gear box and is connected with the micromotor, the other end with the right side wall connection of gear box, it has the gear wheel to mesh on the pinion, the gear wheel sets up the top of pinion, be provided with the second rotation axis on the gear wheel, the second rotation axis passes behind the gear wheel one end with the left side wall connection of gear box, the other end passes behind the right side wall of gear box and is connected with the arm of force that sets up outside the gear box, the one end of keeping away from on the arm of force the second rotation axis is provided with the fixing base, be provided with the sensor fixed orifices on the preceding terminal surface of fixing base, be provided with in the sensor fixed orifices ultrasonic sensor, be provided with the support on the fixing base, the support is kept away from the one end of fixing base is provided with the camera.
2. The GIS ultrasonic partial discharge detection device according to claim 1, wherein: the first rotation axis with the left side wall and the right side wall junction of gear box are equallyd divide and are provided with first bearing respectively, the second rotation axis with the left side wall and the right side wall junction of gear box are equallyd divide and are provided with the second bearing respectively, the second rotation axis with the arm of force is the vertical connection.
3. The GIS ultrasonic partial discharge detection device according to claim 1, wherein: the assembling direction of the camera is perpendicular to the end face of the fixing seat where the ultrasonic sensor is located, so that the camera can monitor the attaching condition between the ultrasonic sensor and the surface of an object to be detected.
4. The GIS ultrasonic partial discharge detection device according to claim 1, wherein: the force arm is movably connected with the fixed seat in a damping mode, and the sensor fixing hole is fixed with the ultrasonic sensor in a tight fit mode.
5. The GIS ultrasonic partial discharge detection device according to claim 1, wherein: the utility model discloses a joint, including insulator spindle, connecting platform, insulator spindle are two sections at least, every section all be one end on the insulator spindle and be provided with the external screw thread, the other end is provided with the internal screw hole, the external screw thread with the internal screw hole is the configuration of matching mutually, be provided with on connecting platform's the lower terminal surface with external screw thread assorted inboard screw hole on the insulator spindle, the one end that has the external screw thread on the insulator spindle utilize the external screw thread with inboard screw hole connects, and then with connecting platform connects, the one end that has the internal screw hole on the insulator spindle is connected, pushes away mutually in proper order, keeps away from at last connecting platform is provided with the apron in the insulator spindle internal screw hole.
6. The GIS ultrasonic partial discharge detection device according to claim 1, wherein: the micro motor is a positive and negative rotation motor, and the micro motor and the ultrasonic sensor are connected with a handheld detection instrument through signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513589.9U CN214067314U (en) | 2020-11-04 | 2020-11-04 | Detection device is put in GIS ultrasonic wave office |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513589.9U CN214067314U (en) | 2020-11-04 | 2020-11-04 | Detection device is put in GIS ultrasonic wave office |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214067314U true CN214067314U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022513589.9U Active CN214067314U (en) | 2020-11-04 | 2020-11-04 | Detection device is put in GIS ultrasonic wave office |
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| CN (1) | CN214067314U (en) |
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- 2020-11-04 CN CN202022513589.9U patent/CN214067314U/en active Active
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