CN117630743A - A leakage detection device for electrical equipment - Google Patents
A leakage detection device for electrical equipment Download PDFInfo
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- CN117630743A CN117630743A CN202410090181.5A CN202410090181A CN117630743A CN 117630743 A CN117630743 A CN 117630743A CN 202410090181 A CN202410090181 A CN 202410090181A CN 117630743 A CN117630743 A CN 117630743A
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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Abstract
本发明涉及测量电变量技术领域，特别是一种电气设备漏电检测装置，其包括检测单元，包括漏电检测仪以及与漏电检测仪线路连接的延展团线组件；延展团线组件包括与漏电检测仪连接的双层防尘件、设置于双层防尘件上层内的滚轴测线件、与滚轴测线件插接的自锁调线件、设置于双层防尘件上层内的窗门锁紧件，以及设置于双层防尘件下层内的二次验证件。本发明的有益效果为通过提供便于收纳的长检测线与漏电检测仪的检测短线接通，通过利用长夹具夹持检测线并通过探头远程对待检测区域进行检测，保证工作人员的安全。
The invention relates to the technical field of measuring electrical variables, in particular to an electrical equipment leakage detection device, which includes a detection unit, including a leakage detector and an extended wire assembly connected to the leakage detector line; the extended wire assembly includes a leakage detector and a leakage detector. The connected double-layer dust-proof parts, the roller line measuring part arranged in the upper layer of the double-layer dust-proof parts, the self-locking line adjusting part plugged into the roller line measuring part, and the window arranged in the upper layer of the double-layer dust-proof parts Door locking parts, and secondary verification parts located in the lower layer of double-layer dustproof parts. The beneficial effects of the present invention are to ensure the safety of workers by providing a long detection line that is easy to store and connected to the short detection line of the leakage detector, by using a long clamp to clamp the detection line and remotely detecting the area to be detected through a probe.
Description
Technical Field
The invention relates to the technical field of measuring electric variables, in particular to an electric leakage detection device of electrical equipment.
Background
When the hydroelectric equipment is in operation and maintenance, various types of electric leakage detection devices are needed for detecting the fire-fighting electric leakage of the electrical equipment, wherein the electric leakage detection devices comprise an electric leakage detector, and the electric leakage detector is used for detecting electric leakage phenomenon equipment instruments and can detect the action current of a current type electric shock protector and detect unbalanced leakage current smaller than the action current of the current type electric shock protector.
When the electric leakage detector in the prior art is used in the process of going on, the probe is directly touched with the part to be detected in a manual hand-held mode, and the traditional mode enables a user to be close to the area to be detected, so that false touch accidents are easy to occur. The leakage detection equipment is directly placed on the tabletop after the use is finished, dust is easy to accumulate on the probe, and the dust accumulation can cause insensitivity of the leakage detection equipment in detection. After the detection device fails, the detection precision can not be maintained, or the detection area can not be detected normally, so that the operator can easily misjudge.
Disclosure of Invention
The present invention has been made in view of the above-mentioned or existing problems occurring in the prior art.
Therefore, an object of the present invention is to provide an electrical equipment leakage detection device capable of providing a long detection line convenient for storage, and ensuring safety of workers by detecting an area to be detected remotely by clamping the detection line with a long clamp.
In order to solve the technical problems, the invention provides the following technical scheme: an electric equipment leakage detection device comprises a detection unit, a detection unit and a detection unit, wherein the detection unit comprises a leakage detector and an extension group line assembly connected with the leakage detector in a line manner;
the extension group line component comprises a double-layer dustproof piece connected with the electric leakage detector, a roller line measuring piece arranged in the upper layer of the double-layer dustproof piece, a self-locking line adjusting piece spliced with the roller line measuring piece, a window locking piece arranged in the upper layer of the double-layer dustproof piece and a secondary verification piece arranged in the lower layer of the double-layer dustproof piece;
the double-layer dustproof piece comprises a containing cavity, an opening and closing plate spliced with the containing cavity, an observation window arranged outside the opening and closing plate, a threaded port arranged on the containing cavity and a test port arranged at a laminate in the containing cavity;
the opening and closing plate comprises an outer sealing plate, two groups of inner inserting plates symmetrically arranged on the outer sealing plate and positioning ports arranged on the inner inserting plates.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the roller measuring line piece comprises a limiting movable supporting ring fixedly connected with the inner wall of the accommodating cavity, an inner roller connected with the limiting movable supporting ring, an accommodating opening arranged in the middle of the inner roller, two groups of inner arc driven plates symmetrically arranged in the accommodating opening, a protecting ring arranged at the outer end of the inner roller, an arc pressing block arranged on the surface of the protecting ring, an embedded conductive block arranged on the inner roller, a conductive pipe connected with the embedded conductive block, a conductive ring sleeved with the conductive pipe, a detection short wire connected with the conductive ring and connected with the leakage detector, a remote detection long wire connected with the embedded conductive block and wound with the inner roller, and a probe connected with the end of the remote detection long wire.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the self-locking wire adjusting piece comprises an outer sealing screwing head, a threaded short rod connected with the outer sealing screwing head, an elongated rod connected with the threaded short rod and spliced with the inner roller, two groups of half cone blocks symmetrically arranged at the tail end of the elongated rod, and a cooperation port arranged between the two groups of half cone blocks.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the window locking piece comprises a middle block fixedly connected with the inner wall of the accommodating cavity, a T-shaped slot block connected with the middle block, two groups of arc-shaped separation blocks symmetrically arranged on two sides of the T-shaped slot block, a first spring arranged between the two groups of arc-shaped separation blocks and a positioning rod arranged on the arc-shaped separation blocks.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the secondary verification piece comprises a switch pressure head arranged below the protection ring, a second spring arranged at the bottom of the switch pressure head, a branch power connection piece connected with the switch pressure head, a power measurement area which is contacted with the branch power connection piece and arranged below the test port, and a power supply end arranged below the branch power connection piece.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the inner roller is provided with a limit ring, and the inner wall of the limit movable support ring is provided with a limit ring groove clamped with the limit ring; the limiting movable supporting ring is used for supporting the inner roller and limiting the inner roller to rotate only.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the size of the test port is the same as the size of the probe.
As a preferable embodiment of the electric leakage detecting device for an electric apparatus according to the present invention, wherein: the size of the cooperative opening is the same as that of the inner arc driven plate.
The invention has the beneficial effects that: the long detection line convenient to store is connected with the detection short line of the electric leakage detector, the detection line is clamped by the long clamp, and the detection is remotely carried out on the area to be detected by the probe, so that the safety of staff is ensured; the roller wire measuring piece is used for winding and unwinding the long detection wire, so that the requirements of different lengths are met, and the secondary verification piece is controlled to provide stable current during the winding or unwinding, so that the probe can be tested twice respectively, and the integrity and the measurement accuracy of the probe can be checked again; the roller line measuring piece in the narrow space can be wound and unwound through the self-locking line adjusting piece, and the double-layer dustproof piece is sealed and self-locked after the roller line measuring piece is deactivated and the detection line is stored, so that dust accumulation is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the overall structure of a detection unit of an electrical equipment leakage detection device.
Fig. 2 is a schematic diagram of an extended string assembly of the electrical equipment leakage detection device.
Fig. 3 is a schematic diagram of an internal structure of an extended string assembly of the electrical equipment leakage detection device.
Fig. 4 is a partially omitted schematic illustration of the internal structure of the extended string assembly of the electrical device leakage detection apparatus.
Fig. 5 is a partially omitted schematic illustration of the internal structure of the extended string assembly of the electrical device leakage detection apparatus.
Fig. 6 is a schematic diagram of a roller wire member structure of an electrical equipment leakage detection device.
In the figure: the detection unit 10, the leakage detector 100, the extension group wire assembly 200, the double-layer dustproof piece 201, the roller measuring piece 202, the self-locking wire adjusting piece 203, the window locking piece 204, the secondary verification piece 205, the accommodating cavity 201a, the opening and closing plate 201b, the observation window 201c, the threaded port 201d, the test port 201e, the outer sealing plate 201b-1, the inner inserting plate 201b-2, the positioning port 201b-3, the limit movable supporting ring 202a, the inner roller 202b, the accommodating port 202c, the inner arc driven plate 202d, the protection ring 202e, the arc pressing block 202f, the embedded conductive block 202g, the conductive pipe 202h, the conductive ring 202i, the detection short wire 202j, the remote detection long wire 202k, the probe 202l, the outer sealing head 203a, the threaded short rod 203b, the slender rod 203c, the half cone block 203d, the cooperative port 203e, the middle block 204a, the T-shaped slot block 204b, the arc separation block 204c, the first spring 204d, the positioning rod 204e, the switch pressing head 205a, the second spring 205b, the branch electric connection 205c, the power supply end region 205e.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 6, in a first embodiment of the present invention, an electrical equipment leakage detection device is provided, which provides a long detection line convenient for storage, and ensures the safety of staff by using a long clamp to clamp the detection line to remotely detect a region to be detected.
Specifically, the detection unit 10 includes a leakage detector 100 and an extension group line assembly 200 connected with the leakage detector 100 in a line manner;
the extension group line assembly 200 comprises a double-layer dustproof member 201 connected with the electric leakage detector 100, a roller line member 202 arranged in the upper layer of the double-layer dustproof member 201, a self-locking line member 203 spliced with the roller line member 202, a window locking member 204 arranged in the upper layer of the double-layer dustproof member 201, and a secondary verification member 205 arranged in the lower layer of the double-layer dustproof member 201;
the double-layer dustproof piece 201 comprises a containing chamber 201a, an opening and closing plate 201b spliced with the containing chamber 201a, an observation window 201c arranged outside the opening and closing plate 201b, a threaded port 201d arranged on the containing chamber 201a, and a test port 201e arranged at a laminate in the containing chamber 201 a;
the opening and closing plate 201b includes an outer sealing plate 201b-1, two groups of interposer plates 201b-2 symmetrically disposed on the outer sealing plate 201b-1, and positioning ports 201b-3 disposed on the interposer plates 201 b-2.
Further, the roller wire measuring unit 202 includes a spacing movable supporting ring 202a fixedly connected to the inner wall of the accommodating chamber 201a, an inner roller 202b connected to the spacing movable supporting ring 202a, an accommodating opening 202c arranged in the middle of the inner roller 202b, two groups of inner arc driven plates 202d symmetrically arranged in the accommodating opening 202c, a protecting ring 202e arranged at the outer end of the inner roller 202b, an arc pressing block 202f arranged on the surface of the protecting ring 202e, an embedded conductive block 202g arranged on the inner roller 202b, a conductive tube 202h connected to the embedded conductive block 202g, a conductive ring 202i sleeved with the conductive tube 202h, a detection short wire 202j connected to the conductive ring 202i and connected to the leakage detector 100, a remote detection long wire 202k connected to the embedded conductive block 202g and wound around the inner roller 202b, and a probe 202l connected to the end of the remote detection long wire 202 k. Through the movable mode that conducting ring 202i cup jointed with conducting tube 202h, avoid interior cylinder 202b to cause the interference to both ends circuit when accomodating, be convenient for receive normal line and unwrapping wire to long line 202k of remote detection.
Further, the self-locking thread adjusting member 203 includes an outer sealing screw head 203a, a screw thread short rod 203b connected to the outer sealing screw head 203a, an elongated rod 203c connected to the screw thread short rod 203b and inserted into the inner drum 202b, two sets of half cone blocks 203d symmetrically disposed at the end of the elongated rod 203c, and a cooperation port 203e disposed between the two sets of half cone blocks 203 d.
Further, the window locking member 204 includes a middle block 204a fixedly connected to the inner wall of the accommodating chamber 201a, a T-shaped slot block 204b connected to the middle block 204a, two sets of arc-shaped separation blocks 204c symmetrically disposed on two sides of the T-shaped slot block 204b, a first spring 204d disposed between the two sets of arc-shaped separation blocks 204c, and a positioning rod 204e disposed on the arc-shaped separation blocks 204 c.
Further, the secondary verification body 205 includes a switch pressing head 205a disposed below the protection ring 202e, a second spring 205b disposed at the bottom of the switch pressing head 205a, a branch power receiving piece 205c connected to the switch pressing head 205a, a power measuring area 205d contacting the branch power receiving piece 205c and disposed below the test port 201e, and a power end 205e disposed below the branch power receiving piece 205 c.
Further, the inner roller 202b is provided with a limit ring, and the inner wall of the limit movable support ring 202a is provided with a limit ring groove clamped with the limit ring; the limiting movable supporting ring 202a is used for supporting the inner roller 202b and limiting the inner roller 202b to rotate only.
Preferably, the size of the test port 201e is the same as the size of the probe 202l. The size of the cooperative orifice 203e is the same as the size of the inner arc follower plate 202 d. The embedded conductive block 202g, the conductive tube 202h, the conductive ring 202i, the branch connection piece 205c and the measurement area 205d are made of conventional conductive materials. The leakage detector 100 employs a conventional leakage detector 100.
It should be noted that, the secondary verification 205 is shown only as an example, the secondary verification 205 may be an existing power switch, and the power terminal 205e may be used to supply power to the power measuring area 205d through the branch power connection piece 205c only when the switch pressure head 205a is pressed. The power end 205e provides stable current, the electricity measuring area 205d is arranged below the test port 201e, so when the inner roller 202b rotates to pay off, when the arc-shaped pressing block 202f on the surface of the protection ring 202e rotates and presses down the switch pressing head 205a, a worker directly pushes the probe 202l into the test port 201e and enters the electricity measuring area 205d, the probe 202l transmits current to the electric leakage detector 100 through two groups of detection lines and the electricity receiving block, the electric leakage detector 100 displays the reading of the detected current, and the probe 202l and other electric connection can work normally through normal reading values, so that false judgment during real detection is avoided. And when the wire is wound, the power supply end 205e supplies power to the power measuring area 205d again, and then the reading of the secondary detection probe ensures the accuracy of the reading in the detection process through primary detection during wire unwinding and correct reading of the fixed current value during wire winding.
When in use, the double-layer dust-proof piece 201 needs to be unlocked first, and paying-off operation is performed for remote detection. Only the outer sealing screwing head 203a is required to be rotated, so that the screw thread short rod 203b is gradually screwed out of the screw thread opening 201d of the double-layer dustproof piece 201, the two groups of half cone blocks 203d are dragged to displace through the slender rod 203c while the screw thread short rod 203b is screwed out, the two groups of half cone blocks 203d gradually reduce the separation degree of the two groups of arc separation blocks 204c, the two groups of arc separation blocks 204c gradually move inwards under the action of the first spring 204d, and finally the two groups of positioning rods 204e are respectively separated from the two groups of positioning openings 201b-3; when the slender rod 203c is positioned in the threaded opening 201d, a worker can control the rotation or displacement of the outer sealing screwing head 203a, control the outer sealing screwing head 203a to rotate through the observation window 201c and enable the cooperative opening 203e to be aligned with the inner arc driven plate 202d, then pull the outer sealing screwing head 203a to enable the two sets of half cone blocks 203d to enter the inner roller 202b, and the inner roller 202b can rotate along with the rotation when the sealing screwing head 203a is rotated in a limit inserting mode, so that control of the roller wire measuring piece 202 in a narrow space is achieved. When the two sets of half cone blocks 203d enter the inner roller 202b, the distance between the two sets of arc-shaped separation blocks 204c is minimized, and the two sets of positioning rods 204e are completely separated from the two sets of positioning ports 201b-3, so that the opening and closing plate 201b is unlocked, and at the moment, the opening and closing plate 201b can be taken out through the observation window 201 c.
Then the inner roller 202b is rotated by rotating the screwing head 203a to pay out, when the inner roller 202b is rotated by a certain angle to enable the arc-shaped pressing block 202f outside the protecting ring 202e to press the switch pressing head 205a and enable the switch pressing head 205a to descend by a certain distance, the long detection wire 202k is remotely discharged by a certain wire length, and the power measuring area 205d is electrified, so that a worker can put the probe 202l into the power measuring area 205d for one detection through the test port 201e during paying out, and the current collected by the probe 202l is transmitted into the leakage detector 100 through the long detection wire 202k, the embedded conductive block 202g, the conductive pipe 202h, the conductive ring 202i and the detection short wire 202j to be read, and whether the probe 202l is good or not and whether the sensitivity is normal or not is confirmed through one reading. When the long remote detection wire 202k is paid out to a proper length, a worker only needs to clamp the tail end of the long remote detection wire 202k through a long clamp, and the detection area is remotely detected through the probe 202l.
When the wire winding is finished, the outer sealing screwing head 203a is reversely rotated to enable the inner roller 202b to rotate, the long wire 202k is remotely detected to be wound on the inner roller 202b through manual adjustment, the arc pressing block 202f on the protection ring 202e can press the switch pressing head 205a again during the wire winding, the power end 205e supplies power for the power measuring area 205d, the process is repeated for secondary inspection, and the accuracy of the reading in the detection process is ensured through the reading on the electric leakage detector 100. And then the outer sealing screwing head 203a is rotated to continue taking up and cutting off the power, so that energy is saved, and the long wire is taken in.
When the double-layer dust-proof member 201 is not in use, the inside of the double-layer dust-proof member 201 needs to be sealed and protected from dust accumulation. The opening and closing plate 201b is pushed in along the opening of the accommodating chamber 201a again, so that the positioning opening 201b-3 is opposite to the positioning rod 204e, then the outer sealing screwing head 203a is pushed to drive the slender rod 203c to drive the two groups of half cone blocks 203d to gradually separate from the accommodating opening 202c, and when the slender rod is separated from the accommodating opening, the two groups of arc-shaped separating blocks 204c are gradually extruded to enable the two groups of positioning rods 204e to respectively enter the two groups of positioning openings 201b-3, finally the screw short rod 203b is screwed into the screw opening 201d, and the two groups of half cone blocks 203d can still keep the lifting height unchanged after following rotation, so that the limit of the opening and closing plate 201b is ensured. The screw short rod 203b is screwed into the screw opening 201d to form self-locking, so that the sealing failure caused by loosening of the slender rod 203c is avoided.
In summary, by providing a long detection line convenient to store and connecting with a detection short line of the electric leakage detector, the safety of staff is ensured by clamping the detection line by using the existing long clamp and remotely detecting the region to be detected by the probe; the roller wire measuring piece is used for winding and unwinding the long detection wire, so that the requirements of different lengths are met, and the secondary verification piece is controlled to provide stable current during the winding or unwinding, so that the probe can be tested twice respectively, and the integrity and the measurement accuracy of the probe can be checked again; the roller line measuring piece in the narrow space can be wound and unwound through the self-locking line adjusting piece, and the double-layer dustproof piece is sealed and self-locked after the roller line measuring piece is deactivated and the detection line is stored, so that dust accumulation is avoided.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (8)
1. An electrical equipment electric leakage detection device, its characterized in that: comprising the steps of (a) a step of,
the detection unit (10) comprises a leakage detector (100) and an extension group line assembly (200) connected with the leakage detector (100) in a line way;
the extending group line assembly (200) comprises a double-layer dustproof piece (201) connected with the electric leakage detector (100), a roller line piece (202) arranged in the upper layer of the double-layer dustproof piece (201), a self-locking line adjusting piece (203) spliced with the roller line piece (202), a window locking piece (204) arranged in the upper layer of the double-layer dustproof piece (201), and a secondary verification piece (205) arranged in the lower layer of the double-layer dustproof piece (201);
the double-layer dustproof piece (201) comprises a containing cavity (201 a), an opening and closing plate (201 b) which is inserted into the containing cavity (201 a), an observation window (201 c) which is arranged outside the opening and closing plate (201 b), a threaded port (201 d) which is arranged on the containing cavity (201 a), and a test port (201 e) which is arranged at a layer plate in the containing cavity (201 a);
the opening and closing plate (201 b) comprises an outer sealing plate (201 b-1), two groups of interpolation plates (201 b-2) symmetrically arranged on the outer sealing plate (201 b-1), and positioning ports (201 b-3) arranged on the interpolation plates (201 b-2).
2. The electrical equipment leakage detection device according to claim 1, wherein: the roller measuring line piece (202) comprises a limiting movable supporting ring (202 a) fixedly connected with the inner wall of the accommodating cavity (201 a), an inner roller (202 b) connected with the limiting movable supporting ring (202 a), an accommodating opening (202 c) arranged in the middle of the inner roller (202 b), two groups of inner arc driven plates (202 d) symmetrically arranged in the accommodating opening (202 c), a protecting ring (202 e) arranged at the outer end of the inner roller (202 b), an arc pressing block (202 f) arranged on the surface of the protecting ring (202 e), an embedded conductive block (202 g) arranged on the inner roller (202 b), a conductive pipe (202 h) connected with the embedded conductive block (202 g), a conductive ring (202 i) sleeved with the conductive pipe (202 h), a detection short line (202 j) connected with the conductive ring (202 i) and connected with the electric leakage detector (100), a remote detection line (202 k) connected with the embedded conductive block (202 g) and wound with the inner roller (202 b), and a long-distance detection line (202 k) connected with the long-distance probe (202 l).
3. The electrical equipment leakage detection device according to claim 2, wherein: the self-locking wire adjusting piece (203) comprises an outer sealing screwing head (203 a), a screw thread short rod (203 b) connected with the outer sealing screwing head (203 a), an elongated rod (203 c) connected with the screw thread short rod (203 b) and spliced with the inner roller (202 b), two groups of half cone blocks (203 d) symmetrically arranged at the tail end of the elongated rod (203 c), and a cooperation port (203 e) arranged between the two groups of half cone blocks (203 d).
4. The electrical equipment leakage detection device according to claim 3, wherein: the window and door locking piece (204) comprises a middle block (204 a) fixedly connected with the inner wall of the accommodating cavity (201 a), a T-shaped slot block (204 b) connected with the middle block (204 a), two groups of arc-shaped separation blocks (204 c) symmetrically arranged on two sides of the T-shaped slot block (204 b), a first spring (204 d) arranged between the two groups of arc-shaped separation blocks (204 c), and a positioning rod (204 e) arranged on the arc-shaped separation blocks (204 c).
5. The electrical equipment leakage detection device according to claim 4, wherein: the secondary verification member (205) comprises a switch pressure head (205 a) arranged below the protection ring (202 e), a second spring (205 b) arranged at the bottom of the switch pressure head (205 a), a branch power connection piece (205 c) connected with the switch pressure head (205 a), a power measurement area (205 d) which is contacted with the branch power connection piece (205 c) and arranged below the test port (201 e), and a power supply end (205 e) arranged below the branch power connection piece (205 c).
6. The electrical equipment leakage detection device according to claim 5, wherein: the inner roller (202 b) is provided with a limit ring, and the inner wall of the limit movable support ring (202 a) is provided with a limit ring groove which is clamped with the limit ring; the limiting movable supporting ring (202 a) is used for supporting the inner roller (202 b) and limiting the inner roller (202 b) to rotate only.
7. The electrical equipment leakage detection device according to claim 6, wherein: the size of the test port (201 e) is the same as the size of the probe (202 l).
8. The electrical equipment leakage detection device according to claim 7, wherein: the size of the cooperation opening (203 e) is the same as the size of the inner arc driven plate (202 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410090181.5A CN117630743B (en) | 2024-01-23 | 2024-01-23 | Electrical equipment electric leakage detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410090181.5A CN117630743B (en) | 2024-01-23 | 2024-01-23 | Electrical equipment electric leakage detection device |
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| CN117630743A true CN117630743A (en) | 2024-03-01 |
| CN117630743B CN117630743B (en) | 2024-05-31 |
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