CN216526141U - GIS electrical equipment partial discharge detection device - Google Patents
GIS electrical equipment partial discharge detection device Download PDFInfo
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- CN216526141U CN216526141U CN202123120121.4U CN202123120121U CN216526141U CN 216526141 U CN216526141 U CN 216526141U CN 202123120121 U CN202123120121 U CN 202123120121U CN 216526141 U CN216526141 U CN 216526141U
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Abstract
The application discloses GIS electrical equipment partial discharge detection device, the GIS electrical equipment partial discharge detection device that discloses include detection subject (100), strike piece (200) and ultrasonic detection probe (300), wherein, ultrasonic detection probe (300) with detection subject (100) communication connection, strike piece (200) with the first end of ultrasonic detection probe (300) is rotated and is linked to each other GIS electrical equipment partial discharge detection device is in under the condition of first state, strike piece (200) and be used for striking casing (500) of GIS electrical equipment, the second end of ultrasonic detection probe (300) with casing (500) contact. According to the scheme, the detection operation of the GIS electrical equipment partial discharge detection device in the correlation technique is complex, and meanwhile, the specific position of the GIS electrical equipment partial discharge is difficult to detect, so that the problem that the detection effect of the GIS electrical equipment partial discharge detection device is poor is caused.
Description
Technical Field
The application relates to the technical field of electrical detection equipment, in particular to a partial discharge detection device for GIS electrical equipment.
Background
GIS electrical equipment (i.e., gas insulated metal enclosed switchgear) is widely used not only in the high-voltage and ultra-high-voltage fields, but also in the ultra-high-voltage field. GIS electrical equipment receives the influence of manufacturing process and manufacturing environment in the manufacturing process, and GIS electrical equipment appears insulating weak position very easily to lead to GIS electrical equipment to appear partial discharge relatively easily, and then lead to GIS electrical equipment to appear damaging easily, consequently, GIS electrical equipment's discharge detection is showing especially importantly.
In the related art, the GIS electrical equipment detects through GIS electrical equipment partial discharge detection device to can discover that GIS electrical equipment appears the concrete position of partial discharge, specifically, GIS electrical equipment partial discharge detection device adopts ultrasonic detection method to realize detecting, and GIS electrical equipment partial discharge detection device is including continuous detection mechanism and detection subject.
In the testing process, a staff strikes GIS electrical equipment's casing, and another staff needs to ascend a height, and the casing of handheld detection mechanism contact GIS electrical equipment detects, and another handheld main part that detects observes and detects numerical value. Therefore, the detection process is complicated, and the specific position of the partial discharge of the GIS electrical equipment can be detected only by tacitly matching, so that the detection effect of the partial discharge detection device of the GIS electrical equipment is poor.
SUMMERY OF THE UTILITY MODEL
The application discloses GIS electrical equipment partial discharge detection device can solve GIS electrical equipment partial discharge detection device's detection complex operation among the correlation technique, simultaneously, and difficult GIS electrical equipment partial discharge's concrete position that detects to lead to the not good problem of GIS electrical equipment partial discharge detection device's detection effect.
In order to solve the above problems, the following technical solutions are adopted in the present application:
the application discloses GIS electrical equipment partial discharge detection device for detect GIS electrical equipment's partial discharge, disclosed GIS electrical equipment partial discharge detection device is including detecting the main part, knocking piece and ultrasonic detection probe, wherein:
ultrasonic detection probe with detect main part communication connection, strike the piece with ultrasonic detection probe's first end rotates and links to each other GIS electrical equipment partial discharge detection device is in the condition of first state, strike the piece and be used for striking GIS electrical equipment's casing, ultrasonic detection probe's second end with the casing contact.
The technical scheme adopted by the application can achieve the following beneficial effects:
the partial discharge detection device of the GIS electrical equipment disclosed by the embodiment of the application is formed by transforming the partial discharge detection device of the GIS electrical equipment in the related technology, the GIS electrical equipment partial discharge detection device comprises a knocking piece which is rotationally connected with the first end of the ultrasonic detection probe, a worker can hold the detection main body with one hand and can contact the ultrasonic detection probe with the shell of the GIS electrical equipment with the other hand, and drives the knocking piece to rotate, the knocking piece rotates and knocks the first position of the shell, so that the shell vibrates, and at the same time, because ultrasonic detection probe is adjacent to the primary importance, and with the casing contact to make ultrasonic detection probe can detect the vibration signal of primary importance, the vibration signal that ultrasonic detection probe transmitted is also received to the detection subject, and the detection subject compares vibration signal and comparison signal. The detection operation only needs one worker, the detection steps of the GIS electrical equipment partial discharge detection device are simplified, the structure can realize the detection of the GIS electrical equipment partial discharge detection device on the GIS electrical equipment partial discharge and can also detect the specific position of the GIS electrical equipment partial discharge, and therefore the detection effect of the GIS electrical equipment partial discharge detection device is enhanced.
Drawings
Fig. 1 is a structural diagram of a partial discharge detection device for a GIS electrical apparatus disclosed in an embodiment of the present application;
FIG. 2 is a structural diagram of the knocking part and the ultrasonic detection probe at an angle according to the embodiment of the present application;
FIG. 3 is a structural diagram of the knocking part and the ultrasonic detection probe at another angle according to the embodiment of the present application;
fig. 4 is a structural view of an ultrasonic inspection probe at least partially located in an accommodating space according to an embodiment of the present disclosure.
Description of reference numerals:
100-detection main body, 110-screen, 120-detection shell,
200-knocking piece, 210-knocking body, 220-overturning arm, 230-limiting screw rod,
300-ultrasonic detection probe, 310-pin shaft, 320-ultrasonic sensor, 330-handle,
400-finger stall,
500-shell body,
A-an accommodation space.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, an embodiment of the present application discloses a partial discharge detection device for a GIS electrical device, which includes a detection main body 100, a knocking member 200, and an ultrasonic detection probe 300.
The detection main body 100 can integrate and compare the vibration signal detected by the GIS electrical equipment partial discharge detection device, wherein the detection main body 100 is provided with a comparison signal in advance, and the vibration signal is compared with the comparison signal so as to judge the position of the GIS electrical equipment in which the partial discharge occurs. The specific detection principle and process are well known and will not be described herein.
The knocking piece 200 is a knocking functional part of the partial discharge detection device of the GIS electrical equipment, and the knocking piece 200 can be a knocking rod, a knocking hammer and other specific structures.
Specifically, ultrasonic detection probe 300 and detection subject 100 communication connection to make ultrasonic detection probe 300 can transmit vibration signal to detection subject 100 department, and piece 200 rotates with the first end of ultrasonic detection probe 300 and links to each other, and under the condition that GIS electrical equipment partial discharge detection device is in the first state (being detection state), piece 200 is used for striking GIS electrical equipment's casing 500, and the second end of ultrasonic detection probe 300 contacts with casing 500.
In the in-process that GIS electrical equipment partial discharge detection device detected, the staff is handheld detection subject 100 in one hand, another hand is with ultrasonic detection probe 300 and GIS electrical equipment's casing 500 contact, and the drive strikes a 200 and rotates, wherein, strike a 200 and rotate, and strike the primary importance of casing 500, thereby make casing 500 vibration, and simultaneously, ultrasonic detection probe 300 is also close to the primary importance, and contact with casing 500, thereby make ultrasonic detection probe 300 can detect the vibration signal of primary importance, detection subject 100 also receives the vibration signal of ultrasonic detection probe 300 transmission, detection subject 100 compares vibration signal and contrast signal, thereby judge whether partial discharge's the condition appears in the primary importance, thereby realize GIS electrical equipment partial discharge detection device to GIS electrical equipment partial discharge's detection.
The partial discharge detection device of the GIS electrical equipment disclosed by the embodiment of the application is formed by transforming the partial discharge detection device of the GIS electrical equipment in the related technology, the GIS electrical equipment partial discharge detection device comprises the knocking piece 200, the knocking piece 200 is rotatably connected with the first end of the ultrasonic detection probe 300, a worker can hold the detection main body 100 with one hand and can contact the ultrasonic detection probe 300 with the shell 500 of the GIS electrical equipment with the other hand, and drives the plexor member 200 to rotate, the plexor member 200 rotates and beats the first position of the housing 500, so that the housing 500 vibrates, and at the same time, since the ultrasonic detection probe 300 is adjacent to the first position and contacts with the housing 500, the ultrasonic detection probe 300 can detect the vibration signal of the first position, the detection main body 100 also receives the vibration signal transmitted by the ultrasonic detection probe 300, and the detection main body 100 compares the vibration signal with the comparison signal. The detection operation only needs one worker, the detection steps of the GIS electrical equipment partial discharge detection device are simplified, the structure can realize the detection of the GIS electrical equipment partial discharge detection device on the GIS electrical equipment partial discharge and can also detect the specific position of the GIS electrical equipment partial discharge, and therefore the detection effect of the GIS electrical equipment partial discharge detection device is enhanced.
Knocking piece 200 and ultrasonic detection probe 300 can realize relative rotation through concrete modes such as gear drive, worm drive and bearing drive, in an optional mode, first end can be provided with round pin axle 310, knocking piece 200 can seted up the through-hole, specifically, the part of round pin axle 310 can extend in the through-hole, thereby make the part of round pin axle 310 and through-hole can realize the shaft hole cooperation, round pin axle 310 is spacing through removing knocking piece 200, make knocking piece 200 can only rotate, wherein, under the condition that GIS electrical equipment partial discharge detection device is in first state, knocking piece 200 can rotate around the axle center direction of round pin axle 310. The installation of above-mentioned structure is simple, also makes things convenient for the staff to maintain, and simultaneously, round pin axle 310 is as wearing parts, and the processing cost of round pin axle 310 is lower to reduce GIS electrical equipment partial discharge detection device's maintenance cost.
In addition, the first end of the pin shaft 310 and the first end of the ultrasonic detection probe 300 can be of a split structure, the first end of the ultrasonic detection probe 300 can be provided with a mounting groove or a mounting hole, the pin shaft 310 can comprise a first section, a second section and a third section which are sequentially connected, the second section is located in the mounting hole, the second section is matched with the shaft hole of the mounting hole, the through hole can comprise a first opening and a second opening, the first section can penetrate through the first opening, the third section can penetrate through the second opening, and the first section and the third section are matched with the shaft hole of the through hole. The split type structure further facilitates installation of workers, and the pin shaft 310 and the ultrasonic detection probe 300 are prevented from being in an integrated structure, so that maintenance cost of the GIS electrical equipment partial discharge detection device is prevented from being increased.
In this application embodiment, strike piece 200 can be including strikeing body 210, upset arm 220 and stop screw 230, specifically, the through-hole can be seted up in the one end of upset arm 220, the other end of upset arm 220 can set up threaded hole, the direction of seting up of through-hole is crossing with the direction of seting up of threaded hole, strike body 210 can link to each other with stop screw 230's one end, stop screw 230 can with threaded hole screw-thread fit, under the condition that GIS electrical equipment partial discharge detection device is in the second state (i.e. idle state), stop screw 230's the other end can stop to support in round pin axle 310.
In the process of detecting the partial discharge detection device of the GIS electrical equipment, the knocking body 210 can be in threaded fit with the threaded hole through the limiting screw 230, so that the knocking body 210 can be close to or far away from the turnover arm 220, the rotating radius of the knocking piece 200 can be adjusted, and the knocking range of the knocking piece 200 is enlarged; and when GIS electrical equipment partial discharge detection device need not detect or idle, stop screw 230's the other end can stop to round pin axle 310 to make and strike piece 200 and can not rotate around the axle center direction of round pin axle 310, and strike piece 200 and ultrasonic detection probe 300 relatively fixed, and then make things convenient for the staff to accomodate and arrange GIS electrical equipment partial discharge detection device.
In this application embodiment, receiving space a may be opened to plexor member 200, and in particular, under the condition that GIS electrical equipment partial discharge detection device is in the second state (i.e., idle state), ultrasonic detection probe 300 may be located in receiving space a at least partially.
Because ultrasonic detection probe 300 is GIS electrical equipment partial discharge detection device's detection function part, ultrasonic detection probe 300 can not appear colliding with, perhaps ultrasonic detection probe 300 can not be by the condition of other part collisions, especially under the condition that GIS electrical equipment partial discharge detection device is in idle state, above-mentioned structure can make ultrasonic detection probe 300 at least part can be located accommodation space A, thereby make to strike piece 200 and provide the protection for ultrasonic detection probe 300, and then make ultrasonic detection probe 300 not receive external factor's influence and appear damaging.
In a further technical scheme, the knocking part 200 may include a knocking body 210, a flipping arm 220 and a limit screw 230, specifically, the flipping arm 220 may be provided with an accommodating space a, one end of the flipping arm 220 may be provided with a through hole, the other end of the flipping arm 220 may be provided with a threaded hole, the opening direction of the through hole intersects with the opening direction of the threaded hole, both the through hole and the threaded hole may be communicated with the accommodating space a, the first end may be provided with a pin 310, a portion of the pin 310 may extend into the through hole, the knocking body 210 may be connected with one end of the limit screw 230, the limit screw 230 may be in threaded fit with the threaded hole, the knocking part 200 may rotate around the axis direction of the pin 310 under the condition that the GIS electrical equipment partial discharge detection device is in the first state, under the condition that the GIS electrical equipment partial discharge detection device is in the second state, at least a portion of the ultrasonic detection probe 300 may be located in the accommodating space a, and the other end of the restraining screw 230 may be stopped against the pin 310.
Under the condition that GIS electrical equipment partial discharge detection device is in the second state, ultrasonic detection probe 300 part at least can be arranged in accommodation space A, simultaneously, in order to prevent to strike the condition that piece 200 the maloperation appears, stop screw 230 can end in round pin axle 310, thereby make upset arm 220 and ultrasonic detection probe 300 relatively fixed, and then make ultrasonic detection probe 300 not receive external factor's influence and appear damaging, above-mentioned structure also is favorable to realizing GIS electrical equipment partial discharge detection device's miniaturized design simultaneously, thereby make GIS electrical equipment partial discharge detection device portable more easily.
In the embodiment of the present application, the ultrasonic detection probe 300 may include an ultrasonic sensor 320 and a handle 330, specifically, the ultrasonic sensor 320 may be in communication connection with the detection main body 100, one end of the ultrasonic sensor 320 may be disposed at one end of the handle 330, the other end of the handle 330 may form a first end, and in a case where the GIS electrical device partial discharge detection apparatus is in the first state, the other end of the ultrasonic sensor 320 is in contact with the housing 500, and the other end of the ultrasonic sensor 320 forms a second end.
Under the condition that GIS electrical equipment partial discharge detection device is in first state, for the staff can guarantee that ultrasonic sensor 320's the other end and casing 500 stably contact, the staff can hold between the one end and the other end of handle 330, and handle 330 both can increase staff's handheld area, can avoid the staff to right again to guarantee that ultrasonic sensor 320's the other end can stably contact with casing 500.
In addition, the handle 330 may be provided with a corrugated sleeve, so that friction between the hand of the worker and the handle 330 can be increased, the handle 330 is not easy to fall off, and the other end of the ultrasonic sensor 320 can be stably contacted with the housing 500.
In this embodiment, the GIS electrical equipment partial discharge detection device may further include a finger stall 400, specifically, the finger stall 400 may be disposed on the ultrasonic detection probe 300, and the finger stall 400 may be located between the first end and the second end.
Under the condition that GIS electrical equipment partial discharge detection device is in first state, dactylotheca 400 can be worn to staff's finger, and the staff can promote ultrasonic detection probe 300 through the knuckle of finger to make ultrasonic detection probe 300 and casing 500 contact, simultaneously, the staff can drive through the rotation of hand and strike a 200 rotation, thereby realizes striking a 200 and can strike casing 500.
The structure can realize the detection operation of a worker by one hand, so that the detection process of the discharge detection equipment is simplified.
In a further technical scheme, dactylotheca 400 can be flexible deformation dactylotheca, and flexible deformation dactylotheca can come the shape that the adaptation staff pointed through deformation to make GIS electrical equipment partial discharge detection device can the arbitrary staff of adaptation, and then make ultrasonic detection probe 300 also can stably with the contact of casing 500, simultaneously, flexible deformation dactylotheca can adaptation staff's hand rotate the action, thereby be favorable to the staff drive to strike a 200 and rotate.
The flexible deformation dactylotheca can be for specific kind such as rubber deformation dactylotheca, cloth matter deformation dactylotheca, to this, does not do any restriction in this application.
In this embodiment, the detection main body 100 may include a screen 110, a detection housing 120 and an arm sleeve, the detection housing 120 may provide an installation foundation for the screen 110 and the arm sleeve, the screen 110 may display a vibration signal detected by the ultrasonic detection probe 300, specifically, both the screen 110 and the arm sleeve may be disposed on the detection housing 120, and the screen 110 is opposite to the arm sleeve.
Under the condition that GIS electrical equipment partial discharge detection device is in first state, the staff can dress arm cover through the arm to make detection main part 100 can fix on the arm, simultaneously, staff's hand contacts casing 500 through control ultrasonic detection probe 300, and the drive strikes piece 200 and strikes casing 500. According to the structure, the GIS electrical equipment partial discharge detection device can be used by a worker with one hand, and meanwhile, the GIS electrical equipment partial discharge detection device can also detect the specific position of the GIS electrical equipment partial discharge, so that the detection effect of the GIS electrical equipment partial discharge detection device is enhanced.
In this application embodiment, GIS electrical equipment partial discharge detection device can also include the torsional spring, specifically, on the one end of torsional spring can be provided with strikes piece 200, the other end of torsional spring can set up in ultrasonic detection probe 300, and the other end of torsional spring can be located between first end and the second end. Because the deformation volume of torsional spring is big more, the elastic potential energy of torsional spring is just big more, and simultaneously, the basic parameter of torsional spring also determines the intensity of the elastic potential energy of torsional spring, so the staff can select the torsional spring of adaptation to guarantee to strike the dynamics of knocking 200 to make casing 500 can produce vibration, thereby make things convenient for ultrasonic detection probe 300 to detect GIS electrical equipment partial discharge.
In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The GIS electrical equipment partial discharge detection device is characterized by comprising a detection main body (100), a knocking piece (200) and an ultrasonic detection probe (300), wherein:
ultrasonic detection probe (300) with detect main part (100) communication connection, strike piece (200) with the first end of ultrasonic detection probe (300) is rotated and is linked to each other under the condition that GIS electrical equipment partial discharge detection device is in first state, strike piece (200) and be used for striking GIS electrical equipment's casing (500), the second end of ultrasonic detection probe (300) with casing (500) contact.
2. The GIS electrical equipment partial discharge detection device of claim 1, wherein a pin (310) is arranged at the first end, a through hole is formed in the knocking piece (200), a part of the pin (310) extends into the through hole, and the knocking piece (200) rotates around the axis direction of the pin (310) under the condition that the GIS electrical equipment partial discharge detection device is in the first state.
3. The GIS electrical equipment partial discharge detection device of claim 2, wherein the knocking piece (200) comprises a knocking body (210), a turning arm (220) and a limiting screw (230), the through hole is formed in one end of the turning arm (220), a threaded hole is formed in the other end of the turning arm (220), the forming direction of the through hole is intersected with the forming direction of the threaded hole, the knocking body (210) is connected with one end of the limiting screw (230), the limiting screw (230) is in threaded fit with the threaded hole, and under the condition that the GIS electrical equipment partial discharge detection device is in the second state, the other end of the limiting screw (230) is abutted to the pin shaft (310).
4. The GIS electrical equipment partial discharge detection device of claim 1, wherein the knocking piece (200) is provided with an accommodating space (A), and the ultrasonic detection probe (300) is at least partially positioned in the accommodating space (A) under the condition that the GIS electrical equipment partial discharge detection device is in the second state.
5. The GIS electrical equipment partial discharge detection device according to claim 4, wherein the knocking piece (200) comprises a knocking body (210), a turning arm (220) and a limiting screw (230), the turning arm (220) is provided with an accommodating space (A), one end of the turning arm (220) is provided with a through hole, the other end of the turning arm (220) is provided with a threaded hole, the opening direction of the through hole is intersected with the opening direction of the threaded hole, the through hole and the threaded hole are both communicated with the accommodating space (A), the first end is provided with a pin shaft (310), a part of the pin shaft (310) extends into the through hole, the knocking body (210) is connected with one end of the limiting screw (230), the limiting screw (230) is in threaded fit with the threaded hole, and under the condition that the GIS electrical equipment partial discharge detection device is in the first state, the knocking piece (200) rotates around the axis direction of the pin shaft (310), under the condition that the GIS electrical equipment partial discharge detection device is in the second state, at least part of the ultrasonic detection probe (300) is located in the accommodating space (A), and the other end of the limiting screw rod (230) abuts against the pin shaft (310).
6. The GIS electrical equipment partial discharge detection device of claim 1, wherein the ultrasonic detection probe (300) comprises an ultrasonic sensor (320) and a handle (330), the ultrasonic sensor (320) is in communication connection with the detection main body (100), one end of the ultrasonic sensor (320) is disposed at one end of the handle (330), the other end of the handle (330) forms the first end, and when the GIS electrical equipment partial discharge detection device is in the first state, the other end of the ultrasonic sensor (320) is in contact with the housing (500), and the other end of the ultrasonic sensor (320) forms the second end.
7. The GIS electrical equipment partial discharge detection device of claim 1, further comprising a finger stall (400), wherein the finger stall (400) is disposed on the ultrasonic detection probe (300), and the finger stall (400) is located between the first end and the second end.
8. The GIS electrical equipment partial discharge detection device of claim 7, wherein the finger cot (400) is a flexible deformation finger cot.
9. The GIS electrical equipment partial discharge detection device of claim 1, wherein the detection body (100) comprises a screen (110), a detection shell (120) and an arm sleeve, the screen (110) and the arm sleeve are both arranged on the detection shell (120), and the screen (110) is opposite to the arm sleeve.
10. The GIS electrical equipment partial discharge detection device of claim 1, further comprising a torsion spring, wherein one end of the torsion spring is disposed on the knocking member (200), the other end of the torsion spring is disposed on the ultrasonic detection probe (300), and the other end of the torsion spring is disposed between the first end and the second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123120121.4U CN216526141U (en) | 2021-12-13 | 2021-12-13 | GIS electrical equipment partial discharge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123120121.4U CN216526141U (en) | 2021-12-13 | 2021-12-13 | GIS electrical equipment partial discharge detection device |
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| Publication Number | Publication Date |
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| CN216526141U true CN216526141U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123120121.4U Active CN216526141U (en) | 2021-12-13 | 2021-12-13 | GIS electrical equipment partial discharge detection device |
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