CN117724010B - Line leakage fault positioning device and positioning method - Google Patents
Line leakage fault positioning device and positioning method Download PDFInfo
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- CN117724010B CN117724010B CN202311751524.XA CN202311751524A CN117724010B CN 117724010 B CN117724010 B CN 117724010B CN 202311751524 A CN202311751524 A CN 202311751524A CN 117724010 B CN117724010 B CN 117724010B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 100
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
A line leakage fault positioning device and a positioning method belong to the field of circuit leakage detection equipment. Comprises a universal meter, a shell, a transmission device I, a transmission device II, a connecting device, a transmission device III and a fixing device; the lower end of the universal meter is fixedly connected with a shell; the bottom end of the inside of the shell is provided with a fixing device which is in sliding fit with the shell, and the upper end of the fixing device is provided with a transmission device III; the transmission device I and the transmission device II are arranged on the side face of the shell, and the transmission device I and the transmission device II are matched with the corresponding transmission device III; the connecting device is fixedly connected to the upper ends of the outer sides of the transmission device I and the transmission device II. The universal meter can be fixed, is convenient to move, can prevent the plugs of the red and black pens from loosening, and can shrink the transmission device I, the transmission device II and the fixing device to reduce the occupied space in the moving process, so that the universal meter is convenient to carry.
Description
Technical Field
The invention relates to a circuit leakage fault positioning device and a positioning method, and belongs to the field of circuit leakage detection equipment.
Background
The universal meter is a multifunctional measuring device and can be used for measuring parameters such as voltage, current, resistance and the like. By connecting a multimeter to two points in the circuit, the voltage and current between the two points can be measured. If there is leakage, the digital multimeter will show a local voltage drop and current increase.
At present, a commonly used universal meter is not provided with a fixing device, when the universal meter is used, a worker needs to frequently check measured data at a low head, even if the universal meter is fixed, in the use process, a red pen and a black pen need to be moved for measurement, if the moving distance of the red pen and the black pen is larger than the length of a lead wire of the red pen and the black pen, a plug is easy to loosen, and therefore, the universal meter needs to be improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a circuit leakage fault positioning device and a circuit leakage fault positioning method.
The invention achieves the above purpose, adopts the following technical scheme:
A line leakage fault positioning device comprises a universal meter, a shell, a transmission device I, a transmission device II, a connecting device, a transmission device III and a fixing device; the lower end of the universal meter is fixedly connected with a shell; the bottom end of the inside of the shell is provided with a fixing device which is in sliding fit with the shell, and the upper end of the fixing device is provided with a transmission device III; the transmission device I and the transmission device II are arranged on the side face of the shell, and the transmission device I and the transmission device II are matched with the corresponding transmission device III; the connecting device is fixedly connected to the upper ends of the outer sides of the transmission device I and the transmission device II.
A positioning method of a line leakage fault positioning device, the positioning method comprising the steps of:
step one: inserting a plug corresponding to the black-gauge pen into a connecting device above the transmission device II, and then inserting the plug into a corresponding jack;
Step two: inserting a plug corresponding to the red pointer into a connecting device above the transmission device I, and then inserting the plug into a corresponding jack;
step three: after the plug of the black meter pen is inserted into the corresponding jack, the sucker is exposed, and the sucker is adsorbed on a plane to fix the universal meter;
Step four: and then detecting the circuit by using a black meter pen and a red meter pen, and positioning the position of the leakage fault according to the reading.
Compared with the prior art, the invention has the beneficial effects that: the universal meter can be fixed, is convenient to move, can prevent the plugs of the red and black pens from loosening, and can shrink the transmission device I, the transmission device II and the fixing device to reduce the occupied space in the moving process, so that the universal meter is convenient to carry.
Drawings
FIG. 1 is a front view of a line leakage fault locating device of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken in the direction B-B of FIG. 1;
fig. 4 is a front view of a housing of a line leakage fault locating device of the present invention;
FIG. 5 is a side cross-sectional view of a housing of a line leakage fault location device of the present invention;
FIG. 6 is a schematic diagram of a transmission I of a line leakage fault locating device according to the present invention;
FIG. 7 is a schematic diagram of a transmission II of a line leakage fault locating device according to the present invention;
Fig. 8 is a front view of a connection device of a line leakage fault location device of the present invention;
FIG. 9 is a side view of a connection device of a line leakage fault location device of the present invention;
FIG. 10 is a schematic diagram of a transmission III of a line leakage fault locating device according to the present invention;
Fig. 11 is a schematic structural diagram of a fixing device of a line leakage fault locating device according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are all within the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1-11, the present embodiment describes a line leakage fault positioning device, which includes a multimeter 1, a case 2, a transmission device i 3, a transmission device ii 4, a connecting device 5, a transmission device iii 6, and a fixing device 7; the lower end of the universal meter 1 is fixedly connected with a shell 2; the bottom end of the inside of the shell 2 is provided with a fixing device 7 in sliding fit with the shell 2, and the upper end of the fixing device 7 is provided with a transmission device III 6; the transmission device I3 and the transmission device II 4 are arranged on the side face of the shell 2, and the transmission device I3 and the transmission device II 4 are matched with the corresponding transmission device III 6; the connecting device 5 is fixedly connected to the upper ends of the outer sides of the transmission device I3 and the transmission device II 4. The number of the transmission devices II 4 is the same as that of the red meter pen inserting holes, and the number of the transmission devices III 6 is equal to the sum of the transmission devices II 4 and I3.
The housing 2 includes a fixed housing 21; the top of the fixed shell 21 is hollow, and the fixed shell 21 is fixedly connected to the lower end of the universal meter 1.
The fixing device 7 comprises a sliding plate 71, a sliding block 73, a diagonal rod 74 and a sucker 75; the sliding plate 71 is arranged in the fixed shell 21, and a T-shaped sliding groove 72 is arranged at the lower end of the sliding plate 71; the sliding block 73 is in sliding fit with the T-shaped sliding groove 72; the outer side surface of the fixed shell 21 is provided with a conical groove 28, and the inner side surface of the fixed shell 21 is provided with a chute 27 communicated with the conical groove 28; the lower end of the sliding block 73 is fixedly connected with a diagonal rod 74, the diagonal rod 74 is in sliding fit with the corresponding chute 27, and the diagonal rod 74 is hinged with a sucker 75 in sliding fit with the conical groove 28. After the sucking disc 75 is adsorbed on the adsorption surface, the spring III 76 at the lower end of the sliding plate 71 is always in a compressed state, and the sucking disc 75 can be adsorbed on a plane or an inclined plane, so that the universal meter is convenient to fix and adapt to different scenes.
The transmission device III 6 comprises a rotary drum 61, a rectangular block 62, a round rod 63 and a transmission block 64; the rectangular block 62 is fixedly connected to the lower end of the universal meter 1; the rotary drum 61 is connected to the lower end of the universal meter 1 through a bearing, and the rectangular block 62 is positioned inside the rotary drum 61; the top end of the round rod 63 is provided with a rectangular groove in sliding fit with the rectangular block 62, the outer wall of the round rod 63 is provided with a spiral groove 66, and the round rod 63 is in sliding fit with the rotary drum 61; a transmission block 64 which is in sliding fit with the spiral groove 66 is fixedly connected to the inner wall of the rotary drum 61; the outer side of the rotary drum 61 is provided with tooth grooves 65; the lower end of the round bar 63 contacts the upper end surface of the slide plate 71. The transmission devices III 6 are provided with a plurality of transmission devices III 6, and the transmission devices III 6 are respectively positioned on the side surfaces of the corresponding transmission devices I3 and II 4 and are matched with the corresponding transmission devices I3 and II 4.
The transmission device I3 comprises a sliding rod 31, a push block 32, a spring I33, a rotating rod 34, an L-shaped sliding rod 35 and an L-shaped connecting rod 36; the side surface of the fixed shell 21 is provided with a perforation I24; the horizontal ends of the sliding rod 31, the rotating rod 34 and the L-shaped sliding rod 35 are in sliding fit with the through hole I24; one end of the sliding rod 31 is hinged with the rotating rod 34, and the other end of the rotating rod 34 is fixedly connected with the horizontal end of the L-shaped sliding rod 35; the lower end of the horizontal end of the L-shaped connecting rod 36 is provided with a slideway 37, and the vertical end of the L-shaped sliding rod 35 is in sliding fit with the slideway 37; the vertical end of the L-shaped connecting rod 36 is fixedly connected with a connecting device 5; the push block 32 is sleeved on the sliding rod 31, one end of the spring I33 is fixedly connected to the inner wall of the fixed shell 21, and the other end of the spring I33 is fixedly connected to the push block 32; the push block 32 mates with a corresponding tooth slot 65. The sliding of the L-shaped slide bar 35 controls the upward movement of the slide plate 71 to prevent the suction cup 75 from moving into the tapered slot 28, wasting time for readjustment when used again.
The transmission device II 4 comprises a transmission rod 41, a spring II 42, a movable rod I43 and a movable rod II 44; the side surface of the fixed shell 21 is provided with a perforation II 25; the transmission rod 41 and the movable rod I43 are in sliding fit with the through hole II 25; one end of the transmission rod 41 is hinged with a movable rod I43, and the other end of the movable rod I43 is hinged with a movable rod II 44; the upper end of the movable rod II 44 is fixedly connected with a connecting device 5; one end of the spring II 42 is fixedly connected to the inner wall of the fixed shell 21, and the other end of the spring II 42 is fixedly connected to the side face of the transmission rod 41; the side of the transmission rod 41 is provided with a bump matched with the corresponding tooth groove 65.
The connecting device 5 comprises a fixed ring 51, a rotating plate 52 and an arc-shaped plate 54; the fixed ring 51 is fixedly connected to the upper ends of the vertical ends of the transmission rod 41 and the L-shaped connecting rod 36; an annular groove is formed in the inner wall of the fixed ring 51, a rotating plate 52 is connected in the annular groove through a bearing, and a round hole 53 which is not coaxial with the fixed ring 51 is formed in the rotating plate 52; the arc-shaped plate 54 is fixedly connected to the inner wall of the fixing ring 51. The inner wall of the rotating plate 52 and the arc-shaped plate 54 clamp the plug, so that the problem of loosening of the plug caused by too far moving distance of the black and red pens in the measuring process can be avoided.
After the rotating plate 52 rotates, the round hole 53 is coaxial with the jack 11 on the multimeter 1.
The outside of the fixed shell 21 is provided with a groove I22 matched with the rotating rod 34, the L-shaped sliding rod 35 and the L-shaped connecting rod 36, and the groove I22 is communicated with the through hole I24; the outer side of the fixed shell 21 is also provided with a groove II 26 which is matched with the movable rod I43 and the movable rod II 44 in the direction; the groove II 26 is communicated with the through hole II 25, and a round groove 23 matched with the corresponding fixing ring 51 is formed in the upper end of the groove II 26. After use, the rotating rod 34, the L-shaped sliding rod 35 and the L-shaped connecting rod 36 can be rotated into the groove I22 around the hinge, the movable rod I43 and the movable rod II 44 can be moved downwards into the groove II 26 around the hinge, so that the storage is convenient, and the occupied space is reduced.
A positioning method of a line leakage fault positioning device, the positioning method comprising the steps of:
Step one: inserting a plug corresponding to the black-gauge pen into the connecting device 5 above the transmission device II 4, and then inserting the plug into the corresponding jack 11;
step two: inserting a plug corresponding to the red pointer into the connecting device 5 above the transmission device I3, and then inserting the plug into the corresponding jack 11;
Step three: after the plug of the black meter pen is inserted into the corresponding jack 11, the sucker 75 is exposed, and the sucker 75 is adsorbed on a plane to fix the universal meter 1;
Step four: and then detecting the circuit by using a black meter pen and a red meter pen, and positioning the position of the leakage fault according to the reading.
The working principle of the invention is as follows: when the device is used, a plug corresponding to a black-gauge pen is inserted into a round hole 53 of a connecting device 5 above a transmission device II 4, then the plug is rotated, the plug drives a rotating plate 52 to rotate through the round hole 53, the round hole 53 is coaxial with a jack 11 on a universal meter 1, at the moment, the plug is clamped by the inner wall of the round hole 53 and an arc-shaped plate 54, then the plug is pushed towards the direction of the jack 11, the plug is inserted into the corresponding jack 11, in the process of moving the plug, the connecting device 5 drives a movable rod II 44, a movable rod I43 and the transmission rod 41 to move towards the direction of a fixed shell 21, the transmission rod 41 stretches a spring II 42, and the rotary drum 61 is matched with a tooth socket 65 on a corresponding transmission device III 6 to rotate through a lug on the side surface of the transmission rod, the rotary drum 61 drives a round rod 63 to move downwards through a transmission block 64, so as to push a sliding plate 71 to compress a spring III 76, and in the process of moving downwards, so as to push a sliding block 73 to move reversely, and further drive a diagonal rod 74 and a sucker 75 to move towards the direction far away from the fixed shell 21, so that the sucker 75 is exposed outside the fixed shell 21; then the sucking disc 75 is sucked on the plane; after the suction cup 75 sucks, the slide plate 71 is prevented from moving upward;
Inserting the plug corresponding to the red pointer into the connecting device 5 above the transmission device I3 in the above manner, and then inserting the plug into the corresponding jack 11; in the plug insertion process of the red pointer, the plug drives the L-shaped connecting rod 36 to move towards the direction of the fixed shell 21, and then drives the L-shaped sliding rod 35, the rotating rod 34 and the sliding rod 31 to move through the slideway 37 until the plug of the red pointer is completely inserted into the corresponding jack 11, and at the moment, the horizontal end of the L-shaped sliding rod 35 is in contact with the push block 32;
Detecting a circuit by using a black meter pen and a red meter pen, and positioning the position of the leakage fault according to the reading;
When the red pen is required to move, the vertical end of the L-shaped sliding rod 35 of the transmission device I3 corresponding to the red pen plug is pressed by a hand and pushed towards the direction of the fixed shell 21, so that the horizontal end of the L-shaped sliding rod 35 pushes the push block 32 and drives the push block 32 to move, the push block 32 is matched with the tooth groove 65 on the transmission device III 6 at the corresponding position, the tooth groove 65 drives the rotary drum 61 to rotate, the round rod 63 is driven to move downwards, the round rod 63 is abutted against the upper end surface of the sliding plate 71, the universal meter 1 is pulled, the sucking disc 75 is separated from the adsorption surface, at the moment, the round rod 63 corresponding to the red pen position is abutted against the upper end of the top plate 71, the top plate 71 is prevented from moving upwards, and further the sucking disc 75 is prevented from moving back to the original position, and the sliding rod 31 and the rotating rod 34 are in sliding fit with the through hole III 29 at the rear side of the fixed shell 21; after moving to the preset position, the sucker 75 is sucked to the preset position, then the hand is released, and under the action of the elastic force of the spring I33, the pushing block 32 pushes the L-shaped sliding rod 35 to move to the original position, so that the round rod 63 on the transmission device III 6 at the corresponding position is driven to move upwards to the original position;
After the use is completed, the universal meter 1 is directly pulled, the sucking disc 75 is separated from the adsorption surface, under the combined action of the spring III 76 and the spring II 42, the sliding plate 71 moves upwards to push the round rod 63, the spring II 42 drives the transmission rod 41 to move away from the fixed shell 21, the corresponding rotary drum 61 is further driven to rotate reversely, the round rod 63 moves upwards to the original position, the transmission rod 41 drives the connecting device 5 connected with the transmission rod 41 to pull out the plug corresponding to the black pen, the top plate 71 moves to the original position, the inclined rod 74 and the sucking disc 75 are driven to move into the conical groove 28, then the red pen plug is pulled out, the rotating plate 52 is driven to rotate, the arc plate 54 is separated, and finally the red pen plug is pulled out.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. A line leakage fault positioning device is characterized in that: comprises a universal meter (1), a shell (2), a transmission device I (3), a transmission device II (4), a connecting device (5), a transmission device III (6) and a fixing device (7); the lower end of the universal meter (1) is fixedly connected with a shell (2); the bottom end of the inside of the shell (2) is provided with a fixing device (7) which is in sliding fit with the shell (2), and the upper end of the fixing device (7) is provided with a transmission device III (6); the transmission device I (3) and the transmission device II (4) are arranged on the side face of the shell (2), and the transmission device I (3) and the transmission device II (4) are matched with the corresponding transmission device III (6); the connecting device (5) is fixedly connected to the upper ends of the outer sides of the transmission device I (3) and the transmission device II (4);
the housing (2) comprises a fixed shell (21); the top end of the fixing shell (21) is hollowed out, and the fixing shell (21) is fixedly connected to the lower end of the universal meter (1);
The fixing device (7) comprises a sliding plate (71), a sliding block (73), an inclined rod (74) and a sucker (75); the sliding plate (71) is arranged in the fixed shell (21), and a T-shaped sliding groove (72) is formed in the lower end of the sliding plate (71); the sliding block (73) is in sliding fit with the T-shaped sliding groove (72); the outer side surface of the fixed shell (21) is provided with a conical groove (28), and the inner side surface of the fixed shell (21) is provided with a chute (27) communicated with the conical groove (28); the lower end of the sliding block (73) is fixedly connected with a diagonal rod (74), the diagonal rod (74) is in sliding fit with the corresponding chute (27), and the diagonal rod (74) is hinged with a sucker (75) in sliding fit with the conical groove (28);
The transmission device III (6) comprises a rotary drum (61), a rectangular block (62), a round rod (63) and a transmission block (64); the rectangular block (62) is fixedly connected to the lower end of the universal meter (1); the rotary drum (61) is connected to the lower end of the universal meter (1) through a bearing, and the rectangular block (62) is positioned in the rotary drum (61); the top end of the round rod (63) is provided with a rectangular groove in sliding fit with the rectangular block (62), the outer wall of the round rod (63) is provided with a spiral groove (66), and the round rod (63) is in sliding fit with the rotary drum (61); a transmission block (64) which is in sliding fit with the spiral groove (66) is fixedly connected to the inner wall of the rotary drum (61); a tooth slot (65) is arranged on the outer side of the rotary drum (61); the lower end of the round rod (63) is contacted with the upper end surface of the sliding plate (71);
The transmission device I (3) comprises a sliding rod (31), a push block (32), a spring I (33), a rotating rod (34), an L-shaped sliding rod (35) and an L-shaped connecting rod (36); the side surface of the fixed shell (21) is provided with a perforation I (24); the horizontal ends of the sliding rod (31), the rotating rod (34) and the L-shaped sliding rod (35) are in sliding fit with the through hole I (24); one end of the sliding rod (31) is hinged with the rotating rod (34), and the other end of the rotating rod (34) is fixedly connected with the horizontal end of the L-shaped sliding rod (35); the lower end of the horizontal end of the L-shaped connecting rod (36) is provided with a slideway (37), and the vertical end of the L-shaped sliding rod (35) is in sliding fit with the slideway (37); the upper end of the vertical end of the L-shaped connecting rod (36) is fixedly connected with a connecting device (5); the push block (32) is sleeved on the sliding rod (31), one end of the spring I (33) is fixedly connected to the inner wall of the fixed shell (21), and the other end of the spring I (33) is fixedly connected to the push block (32); the pushing block (32) is matched with the corresponding tooth groove (65);
The transmission device II (4) comprises a transmission rod (41), a spring II (42), a movable rod I (43) and a movable rod II (44); the side surface of the fixed shell (21) is provided with a perforation II (25); the transmission rod (41) and the movable rod I (43) are in sliding fit with the perforation II (25); one end of the transmission rod (41) is hinged with the movable rod I (43), and the other end of the movable rod I (43) is hinged with the movable rod II (44); the upper end of the movable rod II (44) is fixedly connected with a connecting device (5); one end of the spring II (42) is fixedly connected to the inner wall of the fixed shell (21), and the other end of the spring II (42) is fixedly connected to the side face of the transmission rod (41); the side surface of the transmission rod (41) is provided with a convex block matched with the corresponding tooth groove (65);
The connecting device (5) comprises a fixed ring (51), a rotating plate (52) and an arc-shaped plate (54); the fixed ring (51) is fixedly connected to the upper ends of the vertical ends of the transmission rod (41) and the L-shaped connecting rod (36); an annular groove is formed in the inner wall of the fixed ring (51), a rotating plate (52) is connected in the annular groove through a bearing, and a round hole (53) which is not coaxial with the fixed ring (51) is formed in the rotating plate (52); the arc-shaped plate (54) is fixedly connected to the inner wall of the fixed ring (51).
2. The line leakage fault locating device according to claim 1, wherein: after the rotating plate (52) rotates, the round hole (53) is coaxial with the jack (11) on the universal meter (1).
3. A line leakage fault locating device according to claim 1 or 2, wherein: the outer side of the fixed shell (21) is provided with a groove I (22) matched with the rotating rod (34), the L-shaped sliding rod (35) and the L-shaped connecting rod (36), and the groove I (22) is communicated with the through hole I (24); the outer side of the fixed shell (21) is also provided with a groove II (26) which is matched with the movable rod I (43) and the movable rod II (44) in the direction; the groove II (26) is communicated with the perforation II (25), and a round groove (23) matched with the corresponding fixing ring (51) is formed in the upper end of the groove II (26).
4. A method for locating a line leakage fault locating device according to claim 3, wherein: the positioning method comprises the following steps:
Step one: inserting a plug corresponding to the black-gauge pen into a connecting device (5) above a transmission device II (4), and then inserting the plug into a corresponding jack (11);
step two: inserting a plug corresponding to the red pointer into a connecting device (5) above a transmission device I (3), and then inserting the plug into a corresponding jack (11);
Step three: after the plug of the black meter pen is inserted into the corresponding jack (11), the sucker (75) is exposed, and the sucker (75) is adsorbed on a plane to fix the universal meter (1);
Step four: and then detecting the circuit by using a black meter pen and a red meter pen, and positioning the position of the leakage fault according to the reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311751524.XA CN117724010B (en) | 2023-12-19 | 2023-12-19 | Line leakage fault positioning device and positioning method |
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| CN202311751524.XA CN117724010B (en) | 2023-12-19 | 2023-12-19 | Line leakage fault positioning device and positioning method |
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| CN117724010A CN117724010A (en) | 2024-03-19 |
| CN117724010B true CN117724010B (en) | 2024-05-14 |
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| CN118033191B (en) * | 2024-04-12 | 2024-06-11 | 国网黑龙江省电力有限公司 | Information acquisition wiring port and method for intelligent ammeter error estimation |
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| CN210427656U (en) * | 2019-06-19 | 2020-04-28 | 江苏华电昆山热电有限公司 | Lighting line and lamp fault point searching and analyzing device |
| KR102065394B1 (en) * | 2019-06-20 | 2020-01-13 | 주식회사 한양 티이씨 | Leakage monitoring apparatus of underground distribution line |
| CN212808476U (en) * | 2020-07-23 | 2021-03-26 | 乐昌市市政建设工程有限公司 | Low-voltage line leakage fault finding device |
| WO2023284409A1 (en) * | 2021-07-12 | 2023-01-19 | 河北地质大学 | Underground environment detection system based on optical sensing |
| CN115032565A (en) * | 2022-06-16 | 2022-09-09 | 周口师范学院 | Power failure detection device |
| CN116819283A (en) * | 2023-06-30 | 2023-09-29 | 国网山东省电力公司菏泽供电公司 | Equipment and method for detecting abnormal electricity consumption |
| CN116845615A (en) * | 2023-07-03 | 2023-10-03 | 国网黑龙江省电力有限公司营销服务中心 | Data access interface device for electricity consumption information collection and method thereof |
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