CN112014699A - High-voltage power equipment partial discharge comprehensive inspection instrument - Google Patents
High-voltage power equipment partial discharge comprehensive inspection instrument Download PDFInfo
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- CN112014699A CN112014699A CN202010880373.8A CN202010880373A CN112014699A CN 112014699 A CN112014699 A CN 112014699A CN 202010880373 A CN202010880373 A CN 202010880373A CN 112014699 A CN112014699 A CN 112014699A
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- 238000007689 inspection Methods 0.000 title claims abstract description 41
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- 230000009466 transformation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 19
- 238000005259 measurement Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G08B21/185—Electrical failure alarms
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Abstract
The invention belongs to the technical field of high-voltage power transmission and transformation, in particular to a partial discharge comprehensive inspection instrument for high-voltage power equipment, which aims at the problems that the existing partial discharge comprehensive inspection instrument needs to be manually carried to monitor the power equipment in a power distribution cabinet, has safety risk and needs to be put into labor force regularly, and meanwhile, the existing partial discharge comprehensive inspection instrument is generally provided with a single detection instrument, so that the detection range is limited, the limitation is large, the detection error is easy to occur, and the following scheme is provided and comprises the power distribution cabinet and a mounting plate. According to the invention, the fixed frame is arranged, the TEV sensor, the UHF sensor, the non-contact AE sensor and the contact AE sensor are arranged in the fixed frame, and the various sensors are used for detecting in various measuring modes, so that no error is caused in detection.
Description
Technical Field
The invention relates to the technical field of high-voltage power transmission and transformation, in particular to a local discharge comprehensive inspection instrument for high-voltage power equipment.
Background
The internal insulation defect of the power equipment is a main cause of the fault, and the current detection method aiming at the insulation defect mainly comprises a voltage withstanding test and a partial discharge detection. In view of the outstanding advantages of simple operation, live-line detection, and early detection of insulation defects, partial discharge detection has become the main detection means for insulation defects inside electrical equipment; the partial discharge is an electrical discharge in an insulating medium, and refers to a discharge phenomenon of a non-penetrating discharge channel caused by only partial areas in an insulating system, such as metal spikes, a floating electrode, an insulating internal air gap and the like, under the action of an electric field, and a polling instrument is required when the partial discharge detection of high-voltage power equipment is carried out.
Through retrieval, the invention patent with the application number of CN201310152334.6 discloses a high-voltage power equipment partial discharge comprehensive inspection instrument, which particularly discloses a technical scheme' a high-voltage power equipment partial discharge comprehensive inspection instrument, and is characterized in that: the system comprises a host and a sensor group connected with the host, wherein the sensor group comprises a transient ground potential sensor for detecting a current pulse signal on a shell of the power equipment, an ultrahigh frequency electromagnetic wave sensor for detecting an electromagnetic wave signal propagated from the inside of the power equipment, a non-contact ultrasonic sensor for detecting an ultrasonic wave signal propagated from the inside of the power equipment and a contact ultrasonic sensor for detecting shell vibration caused by the ultrasonic wave signal inside the power equipment, and the transient ground potential sensor, the ultrahigh frequency electromagnetic wave sensor, the non-contact ultrasonic sensor and the contact ultrasonic sensor are all connected with the host. Although the invention can produce beneficial effects of effectively integrating the local discharge transient state ground potential detection technology, the ultrahigh frequency electromagnetic wave detection technology, the contact type ultrasonic detection technology and the non-contact type ultrasonic detection technology, the invention can realize the multi-method local discharge comprehensive detection of various power equipment such as transformers, combined electrical appliances (GIS), switch cabinets and the like, and improve the defect detection rate of the equipment; the data sampling rate required by different detection methods is reduced to the same level by applying the envelope detection technology, and the analog electronic switch is applied, so that the unified processing of different partial discharge signals by the same data acquisition module is realized, the size of an instrument is effectively reduced, the handholding is realized, the operation comfort level of operation and maintenance personnel of a transformer substation is effectively improved, the working efficiency is improved, and the following defects still exist:
the appearance needs artifical portable power equipment to switch board inside to monitor that present partial discharge synthesizes to patrol, exists and has the safety risk, needs the regular labour that drops into, simultaneously, and the appearance is patrolled and examined to current partial discharge synthesizes and inside single detecting instrument of placing all generally, and this can lead to its detection range limited, and the limitation is great, appears detecting error easily.
Disclosure of Invention
The invention provides a high-voltage power equipment partial discharge comprehensive inspection instrument, which is based on the fact that the existing partial discharge comprehensive inspection instrument needs to be manually carried to monitor power equipment in a power distribution cabinet, has safety risks and needs to be put into labor force regularly, and meanwhile, the existing partial discharge comprehensive inspection instrument is generally provided with a single detection instrument, so that the detection range is limited, the limitation is large, and detection errors are easy to occur.
The invention provides a local discharge comprehensive inspection instrument for high-voltage power equipment, which comprises a power distribution cabinet and a mounting plate, wherein the outer wall of one side of the mounting plate is fixedly connected with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding manner, the outer wall of the sliding block is fixedly connected with a sliding plate, the outer wall of the sliding plate is fixedly connected with a fixing frame, the inner wall of the fixing frame is respectively and fixedly connected with a TEV sensor, a UHF sensor, a non-contact AE sensor and a contact AE sensor, the outer wall of the contact AE sensor is fixedly connected with a conductive rod, the outer wall of the top of the conductive rod is fixedly connected.
Preferably, there is a cabinet door one side outer wall of switch board through hinge connection, and the outer wall of two cabinet doors all opens and has observed the hole, and the equal fixedly connected with glass sight glass of inner wall in two observation holes, the equal fixedly connected with door knob of outer wall of two cabinet doors.
Preferably, the outer wall of one side of switch board is opened there is the connecting hole, and the mounting panel joint in the inner wall of connecting hole.
Preferably, two fixed plates are fixedly connected to the outer walls of the two sides of the mounting plate, threaded holes are formed in the outer walls of the four fixed plates, and mounting bolts are connected to the inner walls of the four threaded holes through threads.
Preferably, the mounting panel is located the outer wall fixedly connected with bottom plate of spout below, and the top outer wall fixedly connected with cylinder of bottom plate, the other end fixed connection of cylinder in the bottom outer wall of slide.
Preferably, the mounting panel is located the outer wall fixedly connected with control panel in the switch board outside, and the mounting panel is located the one side outer wall fixedly connected with siren of control panel top.
Preferably, the outer wall of the mounting plate located outside the alarm is fixedly connected with a sound collecting cover, and the outer wall of the sound collecting cover is fixedly connected with a sound guide pipe.
Preferably, the mounting plate is located the outer wall fixedly connected with speaker of sound collection cover top, and the other end fixed connection of leading note pipe is in the inside of speaker.
The beneficial effects of the invention are as follows:
1. through being provided with fixed frame, fixed frame internally mounted have TEV sensor, UHF sensor, non-contact AE sensor and contact AE sensor, carry out multiple measuring method's detection through multiple sensor to ensure to detect the no error, simultaneously, install soft current conducting plate on contact AE sensor, thereby carry out the inside measurement of each space point of switch board, improve and patrol and examine the effect.
2. Through being provided with cylinder, spout and slider, when patrolling and examining the operation, the cylinder drives the slide on the slider and removes inside the switch board to drive TEV sensor, UHF sensor, non-contact AE sensor and carry out patrolling and examining of each space point, further improve and patrol and examine the effect.
3. Through being provided with mounting panel, fixed plate and construction bolt, when carrying out the installation of this installation, all install it on the mounting panel, then pass through construction bolt with the mounting panel and be fixed in the switch board on, be convenient for carry on this equipment dismantlement and maintenance.
4. Through being provided with the siren, when patrolling and examining the partial discharge condition, can warn the staff through the siren for the staff can in time inspect and maintain the circuit, avoids the emergence of incident.
5. Through being provided with sound collection cover, speaker and leading note pipe, when the siren sounded, the speaker enlarges the siren sound to increase the warning scope, further improve warning effect.
Drawings
Fig. 1 is a schematic overall external structure diagram of a high-voltage power equipment partial discharge comprehensive inspection instrument provided by the invention;
fig. 2 is a schematic diagram of the internal structure of a power distribution cabinet of the high-voltage power equipment partial discharge comprehensive inspection instrument provided by the invention;
fig. 3 is a top view of the internal structure of a power distribution cabinet of the high-voltage power equipment partial discharge comprehensive inspection instrument provided by the invention;
fig. 4 is a schematic structural diagram of a sound collection cover of the high-voltage power equipment partial discharge comprehensive inspection instrument provided by the invention.
In the figure: 1 power distribution cabinet, 2 glass observation mirrors, 3 door handles, 4 cabinet doors, 5 mounting plates, 6TEV sensors, 7 fixing frames, 8UHF sensors, 9 soft conductive plates, 11 sliding grooves, 12 fixing plates, 13 mounting bolts, 14 conductive rods, 15 control panels, 16 non-contact AE sensors, 17 contact AE sensors, 18 sliding plates, 19 bottom plates, 20 air cylinders, 21 alarms, 22 sliding blocks, 23 conductive frames, 24 sound collecting covers, 25 loudspeakers and 26 sound guide pipes.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the high voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet 1 and a mounting plate 5, wherein the outer wall of one side of the mounting plate 5 is fixedly connected with a chute 11, the inner wall of the chute 11 is slidably connected with a slide block 22, the outer wall of the slide block 22 is fixedly connected with a slide plate 18, the outer wall of the slide plate 18 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is respectively and fixedly connected with a TEV sensor 6, a UHF sensor 8, a non-contact AE sensor 16 and a contact AE sensor 17, the outer wall of the contact AE sensor 17 is fixedly connected with a conductive rod 14, the outer wall of the top of the conductive rod 14 is fixedly connected with a conductive frame 23, the outer wall of the top of the conductive frame 23 is fixedly connected with flexible conductive plates 9 at equal intervals, and the detection of various measuring, thereby carry out the measurement of each space point of switch board 1 inside, improve and patrol and examine the effect.
In the invention, the outer wall of one side of the power distribution cabinet 1 is connected with cabinet doors 4 through hinges, and the outer walls of the two cabinet doors 4 are provided with observation holes.
In the invention, two fixing plates 12 are fixedly connected to the outer walls of two sides of the mounting plate 5, the outer walls of the four fixing plates 12 are respectively provided with a threaded hole, and the inner walls of the four threaded holes are respectively connected with a mounting bolt 13 through threads.
In the invention, the outer wall of the mounting plate 5 below the sliding chute 11 is fixedly connected with the bottom plate 19, the outer wall of the top of the bottom plate 19 is fixedly connected with the air cylinder 20, the other end of the air cylinder 20 is fixedly connected with the outer wall of the bottom of the sliding plate 18, and when the inspection operation is carried out, the air cylinder 20 drives the sliding plate 18 on the sliding block 22 to move in the power distribution cabinet 1, so that the TEV sensor 6, the UHF sensor 8, the non-contact AE sensor 16 and the contact AE sensor 17 are driven to carry out inspection of each space point, and the.
During the use, drive slider 22 through cylinder 20 and slide at the inner wall of spout 11, thereby drive the inside TEV sensor 6 of fixed frame 7 on the slide 18, UHF sensor 8, non-contact AE sensor 16 and contact AE sensor 17 carry out the partial discharge and detect, simultaneously, a plurality of soft current conducting plates 9 on the contact AE sensor 17 carry out patrolling and examining in a plurality of spaces, further improve the detection range of contact AE sensor 17, if there is the partial discharge condition to take place in the testing process, then siren 21 sends out the alarm sound, in time remind the staff to carry out the maintenance and the detection of circuit, ensure the normal safety belt operation of the inside power equipment of songgar switch board.
Example 2
Referring to fig. 1-4, the high voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet 1 and a mounting plate 5, wherein the outer wall of one side of the mounting plate 5 is fixedly connected with a chute 11, the inner wall of the chute 11 is slidably connected with a slide block 22, the outer wall of the slide block 22 is fixedly connected with a slide plate 18, the outer wall of the slide plate 18 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is respectively and fixedly connected with a TEV sensor 6, a UHF sensor 8, a non-contact AE sensor 16 and a contact AE sensor 17, the outer wall of the contact AE sensor 17 is fixedly connected with a conductive rod 14, the outer wall of the top of the conductive rod 14 is fixedly connected with a conductive frame 23, the outer wall of the top of the conductive frame 23 is fixedly connected with flexible conductive plates 9 at equal intervals, and the detection of various measuring, thereby carry out the measurement of each space point of switch board 1 inside, improve and patrol and examine the effect.
In the invention, the outer wall of one side of the power distribution cabinet 1 is connected with cabinet doors 4 through hinges, and the outer walls of the two cabinet doors 4 are provided with observation holes.
In the invention, two fixing plates 12 are fixedly connected to the outer walls of two sides of the mounting plate 5, the outer walls of the four fixing plates 12 are respectively provided with a threaded hole, and the inner walls of the four threaded holes are respectively connected with a mounting bolt 13 through threads.
In the invention, the outer wall of the mounting plate 5 below the sliding chute 11 is fixedly connected with the bottom plate 19, the outer wall of the top of the bottom plate 19 is fixedly connected with the air cylinder 20, the other end of the air cylinder 20 is fixedly connected with the outer wall of the bottom of the sliding plate 18, and when the inspection operation is carried out, the air cylinder 20 drives the sliding plate 18 on the sliding block 22 to move in the power distribution cabinet 1, so that the TEV sensor 6, the UHF sensor 8, the non-contact AE sensor 16 and the contact AE sensor 17 are driven to carry out inspection of each space point, and the.
Compared with the embodiment 1, the mounting plate 5 is located the outer wall fixedly connected with sound collection cover 24 outside the siren 21, and the outer wall fixedly connected with sound guide tube 26 of the sound collection cover 24, and the mounting plate 5 is located the outer wall fixedly connected with speaker 25 above the sound collection cover 24, and the other end fixedly connected with speaker 25 inside the sound guide tube 26, when the siren 21 makes the alarm sound, the speaker 25 enlarges the alarm sound, thereby increasing the warning range and further improving the warning effect.
In use, when the alarm 21 emits an alarm sound, the sound collecting cover 24 guides the sound to the sound amplification part of the speaker 25 through the sound guide tube 26, thereby increasing the range of the alarm sound propagation and enhancing the alarm effect, compared to embodiment 1.
Example 3
Referring to fig. 1-4, the high voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet 1 and a mounting plate 5, wherein the outer wall of one side of the mounting plate 5 is fixedly connected with a chute 11, the inner wall of the chute 11 is slidably connected with a slide block 22, the outer wall of the slide block 22 is fixedly connected with a slide plate 18, the outer wall of the slide plate 18 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is respectively and fixedly connected with a TEV sensor 6, a UHF sensor 8, a non-contact AE sensor 16 and a contact AE sensor 17, the outer wall of the contact AE sensor 17 is fixedly connected with a conductive rod 14, the outer wall of the top of the conductive rod 14 is fixedly connected with a conductive frame 23, the outer wall of the top of the conductive frame 23 is fixedly connected with flexible conductive plates 9 at equal intervals, and the detection of various measuring, thereby carry out the measurement of each space point of switch board 1 inside, improve and patrol and examine the effect.
In the invention, the outer wall of one side of the power distribution cabinet 1 is connected with cabinet doors 4 through hinges, and the outer walls of the two cabinet doors 4 are provided with observation holes.
In the invention, two fixing plates 12 are fixedly connected to the outer walls of two sides of the mounting plate 5, the outer walls of the four fixing plates 12 are respectively provided with a threaded hole, and the inner walls of the four threaded holes are respectively connected with a mounting bolt 13 through threads.
In the invention, the outer wall of the mounting plate 5 below the sliding chute 11 is fixedly connected with the bottom plate 19, the outer wall of the top of the bottom plate 19 is fixedly connected with the air cylinder 20, the other end of the air cylinder 20 is fixedly connected with the outer wall of the bottom of the sliding plate 18, and when the inspection operation is carried out, the air cylinder 20 drives the sliding plate 18 on the sliding block 22 to move in the power distribution cabinet 1, so that the TEV sensor 6, the UHF sensor 8, the non-contact AE sensor 16 and the contact AE sensor 17 are driven to carry out inspection of each space point, and the.
Compared with the embodiment 1, the mounting plate 5 is located the outer wall fixedly connected with sound collection cover 24 outside the siren 21, and the outer wall fixedly connected with sound guide tube 26 of the sound collection cover 24, and the mounting plate 5 is located the outer wall fixedly connected with speaker 25 above the sound collection cover 24, and the other end fixedly connected with speaker 25 inside the sound guide tube 26, when the siren 21 makes the alarm sound, the speaker 25 enlarges the alarm sound, thereby increasing the warning range and further improving the warning effect.
In use, when the alarm 21 emits an alarm sound, the sound collecting cover 24 guides the sound to the sound amplification part of the speaker 25 through the sound guide tube 26, thereby increasing the range of the alarm sound propagation and enhancing the alarm effect, compared to embodiment 1.
During the use, compare in embodiment 1-2, the outer wall fixedly connected with control panel 15 of mounting panel 5 outside being located switch board 1, and the one side outer wall fixedly connected with siren 21 that mounting panel 5 is located control panel 15 top.
Example 4
Referring to fig. 1-4, the high voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet 1 and a mounting plate 5, wherein the outer wall of one side of the mounting plate 5 is fixedly connected with a chute 11, the inner wall of the chute 11 is slidably connected with a slide block 22, the outer wall of the slide block 22 is fixedly connected with a slide plate 18, the outer wall of the slide plate 18 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is respectively and fixedly connected with a TEV sensor 6, a UHF sensor 8, a non-contact AE sensor 16 and a contact AE sensor 17, the outer wall of the contact AE sensor 17 is fixedly connected with a conductive rod 14, the outer wall of the top of the conductive rod 14 is fixedly connected with a conductive frame 23, the outer wall of the top of the conductive frame 23 is fixedly connected with flexible conductive plates 9 at equal intervals, and the detection of various measuring, thereby carry out the measurement of each space point of switch board 1 inside, improve and patrol and examine the effect.
In the invention, the outer wall of one side of the power distribution cabinet 1 is connected with cabinet doors 4 through hinges, and the outer walls of the two cabinet doors 4 are provided with observation holes.
In the invention, two fixing plates 12 are fixedly connected to the outer walls of two sides of the mounting plate 5, the outer walls of the four fixing plates 12 are respectively provided with a threaded hole, and the inner walls of the four threaded holes are respectively connected with a mounting bolt 13 through threads.
In the invention, the outer wall of the mounting plate 5 below the sliding chute 11 is fixedly connected with the bottom plate 19, the outer wall of the top of the bottom plate 19 is fixedly connected with the air cylinder 20, the other end of the air cylinder 20 is fixedly connected with the outer wall of the bottom of the sliding plate 18, and when the inspection operation is carried out, the air cylinder 20 drives the sliding plate 18 on the sliding block 22 to move in the power distribution cabinet 1, so that the TEV sensor 6, the UHF sensor 8, the non-contact AE sensor 16 and the contact AE sensor 17 are driven to carry out inspection of each space point, and the.
Compared with the embodiment 1, the mounting plate 5 is located the outer wall fixedly connected with sound collection cover 24 outside the siren 21, and the outer wall fixedly connected with sound guide tube 26 of the sound collection cover 24, and the mounting plate 5 is located the outer wall fixedly connected with speaker 25 above the sound collection cover 24, and the other end fixedly connected with speaker 25 inside the sound guide tube 26, when the siren 21 makes the alarm sound, the speaker 25 enlarges the alarm sound, thereby increasing the warning range and further improving the warning effect.
In use, when the alarm 21 emits an alarm sound, the sound collecting cover 24 guides the sound to the sound amplification part of the speaker 25 through the sound guide tube 26, thereby increasing the range of the alarm sound propagation and enhancing the alarm effect, compared to embodiment 1.
During the use, compare in embodiment 1-2, the outer wall fixedly connected with control panel 15 of mounting panel 5 outside being located switch board 1, and the one side outer wall fixedly connected with siren 21 that mounting panel 5 is located control panel 15 top.
When in use, compared with the embodiment 1-3, the outer wall of one side of the power distribution cabinet 1 is provided with a connecting hole, and the mounting plate 5 is clamped on the inner wall of the connecting hole.
Example 5
Referring to fig. 1-4, the high voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet 1 and a mounting plate 5, wherein the outer wall of one side of the mounting plate 5 is fixedly connected with a chute 11, the inner wall of the chute 11 is slidably connected with a slide block 22, the outer wall of the slide block 22 is fixedly connected with a slide plate 18, the outer wall of the slide plate 18 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is respectively and fixedly connected with a TEV sensor 6, a UHF sensor 8, a non-contact AE sensor 16 and a contact AE sensor 17, the outer wall of the contact AE sensor 17 is fixedly connected with a conductive rod 14, the outer wall of the top of the conductive rod 14 is fixedly connected with a conductive frame 23, the outer wall of the top of the conductive frame 23 is fixedly connected with flexible conductive plates 9 at equal intervals, and the detection of various measuring, thereby carry out the measurement of each space point of switch board 1 inside, improve and patrol and examine the effect.
In the invention, the outer wall of one side of the power distribution cabinet 1 is connected with cabinet doors 4 through hinges, and the outer walls of the two cabinet doors 4 are provided with observation holes.
In the invention, two fixing plates 12 are fixedly connected to the outer walls of two sides of the mounting plate 5, the outer walls of the four fixing plates 12 are respectively provided with a threaded hole, and the inner walls of the four threaded holes are respectively connected with a mounting bolt 13 through threads.
In the invention, the outer wall of the mounting plate 5 below the sliding chute 11 is fixedly connected with the bottom plate 19, the outer wall of the top of the bottom plate 19 is fixedly connected with the air cylinder 20, the other end of the air cylinder 20 is fixedly connected with the outer wall of the bottom of the sliding plate 18, and when the inspection operation is carried out, the air cylinder 20 drives the sliding plate 18 on the sliding block 22 to move in the power distribution cabinet 1, so that the TEV sensor 6, the UHF sensor 8, the non-contact AE sensor 16 and the contact AE sensor 17 are driven to carry out inspection of each space point, and the.
Compared with the embodiment 1, the mounting plate 5 is located the outer wall fixedly connected with sound collection cover 24 outside the siren 21, and the outer wall fixedly connected with sound guide tube 26 of the sound collection cover 24, and the mounting plate 5 is located the outer wall fixedly connected with speaker 25 above the sound collection cover 24, and the other end fixedly connected with speaker 25 inside the sound guide tube 26, when the siren 21 makes the alarm sound, the speaker 25 enlarges the alarm sound, thereby increasing the warning range and further improving the warning effect.
In use, when the alarm 21 emits an alarm sound, the sound collecting cover 24 guides the sound to the sound amplification part of the speaker 25 through the sound guide tube 26, thereby increasing the range of the alarm sound propagation and enhancing the alarm effect, compared to embodiment 1.
During the use, compare in embodiment 1-2, the outer wall fixedly connected with control panel 15 of mounting panel 5 outside being located switch board 1, and the one side outer wall fixedly connected with siren 21 that mounting panel 5 is located control panel 15 top.
When in use, compared with the embodiment 1-3, the outer wall of one side of the power distribution cabinet 1 is provided with a connecting hole, and the mounting plate 5 is clamped on the inner wall of the connecting hole.
When in use, compared with the embodiments 1-4, the inner walls of the two observation holes are fixedly connected with the glass observation mirror 2, and the outer walls of the two cabinet doors 4 are fixedly connected with the door handles 3.
The high-voltage power equipment partial discharge comprehensive inspection instrument has the beneficial effects that:
1. through being provided with fixed frame, fixed frame internally mounted have TEV sensor, UHF sensor, non-contact AE sensor and contact AE sensor, carry out multiple measuring method's detection through multiple sensor to ensure to detect the no error, simultaneously, install soft current conducting plate on contact AE sensor, thereby carry out the inside measurement of each space point of switch board, improve and patrol and examine the effect.
2. Through being provided with cylinder, spout and slider, when patrolling and examining the operation, the cylinder drives the slide on the slider and removes inside the switch board to drive TEV sensor, UHF sensor, non-contact AE sensor and carry out patrolling and examining of each space point, further improve and patrol and examine the effect.
3. Through being provided with mounting panel, fixed plate and construction bolt, when carrying out the installation of this installation, all install it on the mounting panel, then pass through construction bolt with the mounting panel and be fixed in the switch board on, be convenient for carry on this equipment dismantlement and maintenance.
4. Through being provided with the siren, when patrolling and examining the partial discharge condition, can warn the staff through the siren for the staff can in time inspect and maintain the circuit, avoids the emergence of incident.
5. Through being provided with sound collection cover, speaker and leading note pipe, when the siren sounded, the speaker enlarges the siren sound to increase the warning scope, further improve warning effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The high-voltage power equipment partial discharge comprehensive inspection instrument comprises a power distribution cabinet (1) and a mounting plate (5), it is characterized in that the outer wall of one side of the mounting plate (5) is fixedly connected with a chute (11), and the inner wall of the sliding chute (11) is connected with a sliding block (22) in a sliding way, the outer wall of the sliding block (22) is fixedly connected with a sliding plate (18), the outer wall of the sliding plate (18) is fixedly connected with a fixed frame (7), and the inner wall of the fixed frame (7) is respectively and fixedly connected with a TEV sensor (6), a UHF sensor (8), a non-contact AE sensor (16) and a contact AE sensor (17), the outer wall of the contact AE sensor (17) is fixedly connected with a conductive rod (14), and the outer wall of the top of the conducting rod (14) is fixedly connected with a conducting frame (23), and the outer wall of the top of the conducting frame (23) is fixedly connected with flexible conducting plates (9) at equal intervals.
2. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 1, characterized in that the outer wall of one side of the power distribution cabinet (1) is connected with cabinet doors (4) through hinges, the outer walls of the two cabinet doors (4) are respectively provided with an observation hole, the inner walls of the two observation holes are respectively fixedly connected with a glass observation mirror (2), and the outer walls of the two cabinet doors (4) are respectively fixedly connected with a door handle (3).
3. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 1, characterized in that a connecting hole is formed in the outer wall of one side of the power distribution cabinet (1), and the mounting plate (5) is clamped to the inner wall of the connecting hole.
4. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 3, wherein two fixing plates (12) are fixedly connected to the outer walls of two sides of the mounting plate (5), the outer walls of the four fixing plates (12) are provided with threaded holes, and the inner walls of the four threaded holes are connected with mounting bolts (13) through threads.
5. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 4, characterized in that the outer wall of the mounting plate (5) below the chute (11) is fixedly connected with a bottom plate (19), the outer wall of the top of the bottom plate (19) is fixedly connected with an air cylinder (20), and the other end of the air cylinder (20) is fixedly connected with the outer wall of the bottom of the sliding plate (18).
6. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 1, characterized in that a control panel (15) is fixedly connected to the outer wall of the mounting plate (5) positioned outside the power distribution cabinet (1), and an alarm (21) is fixedly connected to the outer wall of the mounting plate (5) positioned on one side above the control panel (15).
7. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 6, characterized in that the outer wall of the mounting plate (5) positioned outside the alarm (21) is fixedly connected with a sound collection cover (24), and the outer wall of the sound collection cover (24) is fixedly connected with a sound guide pipe (26).
8. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 7, characterized in that a sound guide pipe (26) is fixedly connected to the outer wall of the sound collection cover (24).
9. The high-voltage power equipment partial discharge comprehensive inspection instrument according to claim 8, characterized in that the outer wall of the mounting plate (5) above the sound collection cover (24) is fixedly connected with a loudspeaker (25), and the other end of the sound guide tube (26) is fixedly connected inside the loudspeaker (25).
10. The comprehensive patrol instrument for partial discharge of high-voltage power equipment according to claim 9, wherein the other end of the sound guide tube (26) is fixedly connected to the inside of the speaker (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010880373.8A CN112014699A (en) | 2020-08-27 | 2020-08-27 | High-voltage power equipment partial discharge comprehensive inspection instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010880373.8A CN112014699A (en) | 2020-08-27 | 2020-08-27 | High-voltage power equipment partial discharge comprehensive inspection instrument |
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| CN112014699A true CN112014699A (en) | 2020-12-01 |
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| CN202010880373.8A Pending CN112014699A (en) | 2020-08-27 | 2020-08-27 | High-voltage power equipment partial discharge comprehensive inspection instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112540274A (en) * | 2020-12-16 | 2021-03-23 | 江苏博润电气科技有限公司 | Switch cabinet partial discharge detection device and system |
| CN113189462A (en) * | 2021-05-24 | 2021-07-30 | 中广核新能源六安有限公司 | Portable primary equipment discharge patrol instrument |
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Application publication date: 20201201 |