CN117783936A - Portable low-voltage leakage monitor and monitoring method thereof - Google Patents

Abstract

The invention relates to the technical field of low-voltage leakage monitors, in particular to a portable low-voltage leakage monitor and a monitoring method thereof, comprising the following steps: the device comprises a device body, wherein a first fixed block is arranged on the outer wall of one side of the device body, and an adjusting groove and a symmetrical guide groove are formed in the outer wall of the bottom end of the first fixed block; the beneficial effects are as follows: the guide rod is pushed upwards to enable the upper portion of the positioning ring to be separated from the second fixed block, the positioning ring is rotated outwards to enable the positioning ring to be separated from the second fixed block to be in contact with the second fixed block, the cover plate is taken down after the plug block is pulled down to enable the internal power supply and the storage assembly to be taken out, the pressing plate is extruded to enable one end of the extrusion rod to prop against the notch on the positioning rod to slide downwards, meanwhile, the positioning rod slides inwards to the sliding groove until the positioning rod is separated from the positioning rod and is in contact with the upper positioning block, the positioning block is moved upwards in a rebound mode to separate from the fixation of the monitoring probe, the upper storage plate is pulled upwards, the internal monitoring wire is taken down and is plugged into a corresponding socket on the device body together with the power wire to conduct monitoring work, and each assembly is convenient to store.

Description

Portable low-voltage leakage monitor and monitoring method thereof

Technical Field

The invention relates to the technical field of low-voltage leakage monitors, in particular to a portable low-voltage leakage monitor and a monitoring method thereof.

Background

The utility model provides a low pressure leakage monitor is used for detecting whether cable leaks promptly a instrument, mainly is applied to the detection of play line cabinet, voltage box and some outgoing line equipment cable, along with the continuous development of science and technology, detects cable leakage instrument and has obtained certain improvement in structure and function.

In the prior art, a common monitor is box-shaped, and can be carried and transported only by screwing the common monitor up through a handle during carrying. However, the monitoring line and the power lamp assembly for connection cannot be placed therein for storage, and are inconvenient to carry and transport. Therefore, the invention provides a portable low-voltage leakage monitor and a monitoring method thereof for solving the problems.

Disclosure of Invention

The invention aims to provide a portable low-voltage leakage monitor and a monitoring method thereof, which are used for solving the problems that a monitoring line and a power lamp assembly for connection, which are proposed in the background art, cannot be placed into the portable low-voltage leakage monitor for storage and are inconvenient to carry and transport.

In order to achieve the above purpose, the present invention provides the following technical solutions: a portable low voltage leakage monitor, comprising:

the device comprises a device body, wherein a first fixed block is arranged on the outer wall of one side of the device body, an adjusting groove and a symmetrical guide groove are formed in the outer wall of the bottom end of the first fixed block, a mounting block is arranged below the first fixed block, a first spring fixedly connected with the inner wall of the adjusting groove is fixedly connected with the outer wall of the upper side of the mounting block, a positioning ring is arranged on the inner wall of the mounting block, and two symmetrical lug plates are fixedly connected with the outer wall of one side of the device body;

the device comprises a cover body, wherein one end of the cover body is fixedly connected with an adjusting block which is rotationally connected with two lug plates, a second fixing block is arranged on the outer wall of one side of the cover body, which is far away from the adjusting block, a positioning groove which is clamped with the outer wall of a positioning ring is formed in the outer wall of the upper end of the second fixing block, a ring plate is fixedly connected with the inner wall of the cover body, a slot is formed in one end of the ring plate, a baffle is fixedly connected with the inner wall of the ring plate, limiting plates are fixedly connected with the two ends of the baffle, two groups of identical inserting rods are arranged in the cover body, a cover plate is arranged on the outer wall of the ring plate, and an inserting block is inserted into one end of the cover plate;

the storage assembly is arranged in the cover body close to the annular plate, and comprises a lower storage plate, a winding block, a lower positioning block, a second spring, a positioning rod, a pressing plate, an upper storage plate, an upper positioning block and a fourth spring.

Preferably, the outer wall of one side of the first fixed block is fixedly connected with the outer wall of the device body, the outer wall of one side of the installation block, which is close to the spring, is fixedly connected with a guide rod which is symmetrical and is in sliding connection with the inner wall of the guide groove, and the outer wall between the two lug plates is fixedly connected with a fixed shaft.

Preferably, the inner wall of the adjusting block is rotationally connected with the outer wall of the fixing shaft between the ear plates, and the outer wall of one side of the second fixing block is fixedly connected with one end of the cover body.

Preferably, a power supply is arranged on one side of the annular plate, which is close to the baffle, one end of the inserted link is fixedly connected with the inner wall of the cover body, the inserted block penetrates through the cover plate to be inserted into the slot, and the inner wall of the slot is fixedly connected with an anti-slip pad.

Preferably, the storage assembly is used for storing the monitoring line, the outer wall of the lower storage plate is fixedly connected with the outer wall of the winding block, and a clamping groove is formed in the outer wall of one side of the winding block.

Preferably, the outer wall of one side of the lower positioning block is fixedly connected with one end of the lower storage plate, sliding grooves are formed in the outer walls of two sides of the lower positioning block, penetrating pressing grooves are formed in one end of each sliding groove, and lower fastening grooves are formed in the outer wall of the upper side of the lower positioning block.

Preferably, the side walls at two ends of the second spring are fixedly connected with one end of the positioning rod and one side inner wall of the sliding groove respectively, a notch is formed in the surface of the positioning rod, and the notch is in a right triangle shape.

Preferably, the outer wall of one side of the pressing plate is fixedly connected with a symmetrical extrusion rod which is in sliding connection with the inner wall of the pressing groove, one end of the extrusion rod is in butt joint with the notch groove, and the outer wall of one side of the mounting plate is fixedly connected with a third spring which is fixedly connected with the outer wall of the lower positioning block.

Preferably, the stopper of one side outer wall fixedly connected with and draw-in groove inner wall grafting of going up the storage board, the buffer tank has been seted up to the one end of going up the storage board, go up the storage board and be close to the both sides of buffer tank and seted up symmetrical logical groove, the outer wall sliding connection of the inner wall of going up the locating piece and lower locating piece, the chamfer has been seted up at the both ends of going up the locating piece, go up the locating hole of pegging graft with the locating lever at the both ends of locating piece, go up the one side inner wall of locating piece and seted up the fastening groove, go up the top outer wall of locating piece respectively fixedly connected with and buffer tank inner wall sliding connection's installation pole and the gag lever post with logical groove inner wall sliding connection, the both ends lateral wall of fourth spring respectively with the upper end outer wall of installation pole and the inner wall fixed connection of buffer tank.

A method of monitoring a portable low voltage leakage monitor according to any of the claims, comprising the steps of:

s1: firstly, pushing the guide rod upwards to separate the upper part of the positioning ring from the positioning groove of the second fixed block, and then rotating the positioning ring outwards to separate the positioning ring from contact with the second fixed block;

s2: secondly, the monitoring device body in the cover body is exposed through the rotation of the lug plate and the adjusting block;

s3: then, after the plug block is pulled down, the power supply and the storage assembly in the exposed part of the cover plate are taken out;

s4: then, the pressing plate is pressed to enable one end of the pressing rod to prop against the notch on the positioning rod to slide downwards, meanwhile, the positioning rod slides inwards the chute until the positioning rod is separated from contact with the upper positioning block, and at the moment, the upper positioning block moves upwards under the rebound of the fourth spring to separate from the fixation of the monitoring probe;

and S5, finally, the upper storage plate is pulled out upwards to separate the limiting block from the clamping groove, the monitoring wire wound inside is exposed, and the monitoring wire is taken down and is inserted into a corresponding socket on the device body together with the power wire to perform monitoring work.

Compared with the prior art, the invention has the beneficial effects that:

the guide rod is pushed upwards to enable the upper portion of the positioning ring to be separated from the second fixed block, the positioning ring is rotated outwards to enable the positioning ring to be separated from the second fixed block to be in contact with the second fixed block, the cover plate is taken down after the plug block is pulled down to enable the internal power supply and the storage assembly to be taken out, the pressing plate is extruded to enable one end of the extrusion rod to prop against the notch on the positioning rod to slide downwards, meanwhile, the positioning rod slides inwards to the sliding groove until the positioning rod is separated from the positioning rod and is in contact with the upper positioning block, the positioning block is moved upwards in a rebound mode to separate from the fixation of the monitoring probe, the upper storage plate is pulled upwards, the internal monitoring wire is taken down and is plugged into a corresponding socket on the device body together with the power wire to conduct monitoring work, and each assembly is convenient to store.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is an expanded view of the overall structure of the present invention;

FIG. 4 is a schematic view of the expanded portion of the overall structure of the present invention;

FIG. 5 is a schematic view of a housing assembly according to the present invention;

FIG. 6 is a top cross-sectional view of the receiving assembly of the present invention;

FIG. 7 is a front cross-sectional view of the receiving assembly of the present invention;

FIG. 8 is a front semi-sectional view of the receiving assembly of the present invention;

FIG. 9 is an enlarged view of the area A of FIG. 1 in accordance with the present invention;

FIG. 10 is an enlarged view of the structure of area B of FIG. 2 in accordance with the present invention;

FIG. 11 is an enlarged view of the structure of area C in FIG. 3 in accordance with the present invention;

FIG. 12 is an enlarged view of the structure of area D of FIG. 5 in accordance with the present invention;

FIG. 13 is an enlarged view of the structure of area E in FIG. 7 in accordance with the present invention;

fig. 14 is an enlarged view of the structure of the F area in fig. 8 according to the present invention.

In the figure: the device body 1, the first fixing block 11, the adjustment groove 111, the guide groove 112, the mounting block 12, the guide rod 121, the first spring 13, the positioning ring 14, the ear plate 15, the cover body 2, the adjustment block 21, the second fixing block 22, the positioning groove 221, the ring plate 23, the insertion groove 231, the baffle 232, the limiting plate 233, the insertion rod 24, the cover plate 25, the insertion block 26, the storage assembly 3, the lower storage plate 31, the winding block 32, the clamping groove 321, the lower positioning block 33, the sliding groove 331, the pressing groove 332, the lower fastening groove 333, the second spring 34, the positioning rod 35, the notch 351, the pressing plate 36, the pressing rod 361, the third spring 362, the upper storage plate 37, the buffer groove 371, the through grooves 372, 382, the upper positioning block 38, the chamfer 381, the positioning hole, the upper fastening groove 383, the limiting rod 384, the mounting rod 385, and the fourth spring 39.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 14, the present invention provides a technical solution: a portable low voltage leakage monitor, comprising: the device comprises a device body 1, wherein a first fixed block 11 is arranged on one side outer wall of the device body 1, a guide groove 112 symmetrical to an adjusting groove 111 is formed in the bottom end outer wall of the first fixed block 11, the pressing accuracy of a lower installation block 12 is improved, an installation block 12 is installed below the first fixed block 11, a first spring 13 fixedly connected with the inner wall of the adjusting groove 111 is fixedly connected to the upper side outer wall of the installation block 12, the position of the installation block 12 in an initial state is kept, a positioning ring 14 is arranged on the inner wall of the installation block 12, the positioning ring 14 is matched with a second fixed block 22 on a cover body 2 to close the device body 1, two symmetrical lug plates 15 are fixedly connected to one side outer wall of the device body 1, a guide rod 121 fixedly connected to one side outer wall of the installation block 12 close to the spring and slidably connected with the inner wall of the guide groove 112, and a fixed shaft is fixedly connected to the outer wall between the two lug plates 15;

the cover body 2, one end of the cover body 2 is fixedly connected with the regulating block 21 which is rotationally connected with the two lug plates 15, a second fixed block 22 is arranged on the outer wall of one side of the cover body 2 far away from the regulating block 21, a locating groove 221 which is clamped with the outer wall of the locating ring 14 is formed in the outer wall of the upper end of the second fixed block 22, the locating ring 14 is driven by the mounting block 12 to slide downwards and is matched with the locating groove 221 on the second fixed block 22, the position of the cover body 2 is fixed, the inner wall of the cover body 2 is fixedly connected with a ring plate 23, one end of the ring plate 23 is provided with a slot 231, the inner wall of the ring plate 23 is fixedly connected with a baffle 232, two ends of the baffle 232 are fixedly connected with limiting plates 233, the inside of the baffle plate 232 is divided into two spaces, two groups of identical inserted rods 24 are arranged in the cover body 2 close to the inside of the ring plate 232, a cover plate 23 is conveniently inserted and mounted on the outer wall of the ring plate 23, the assembly inside the baffle plate 232 is protected, one end of the cover plate 25 is prevented from being knocked, the inner wall of the baffle plate 25 is fixedly connected with the fixed on one side of the inner wall of the cover body 21, which is fixedly connected with the inner wall of the fixed plate 22, which is connected with the inner wall of the baffle plate 2, and the inner wall of the fixed plate 2, which is connected with the fixed end of the baffle plate 22, and the fixed stop plate 231, and the inner wall of the baffle plate 2 is fixedly connected with the power supply rod, and the inner wall of the baffle plate 2;

the storage component 3, a plurality of storage components 3 are installed in the cover body 2 near the inside of the annular plate 23, the storage component 3 comprises a lower storage plate 31, a winding block 32, a lower positioning block 33, a second spring 34, a positioning rod 35, a pressing plate 36, an upper storage plate 37, an upper positioning block 38 and a fourth spring 39, the storage component 3 is used for storing a monitoring line, the outer wall of the lower storage plate 31 is fixedly connected with the outer wall of the winding block 32, a clamping groove 321 is formed in one side outer wall of the winding block 32, one side outer wall of the lower positioning block 33 is fixedly connected with one end of the lower storage plate 31, sliding grooves 331 are formed in two side outer walls of the lower positioning block 33, penetrating pressing grooves 332 are formed in one end of the sliding grooves 331, lower fastening grooves 333 are formed in the upper side outer wall of the lower positioning block 33, two end side walls of the second spring 34 are respectively fixedly connected with one end of the positioning rod 35 and one side inner wall of the sliding grooves 331, the surface of the positioning rod 35 is provided with a notch 351, the notch 351 is in a right triangle shape, one side outer wall of the pressing plate 36 is fixedly connected with a symmetrical extrusion rod 361 which is in sliding connection with the inner wall of the pressing groove 332, one end of the extrusion rod 361 is abutted against the notch 351, one side outer wall of the mounting plate 36 is fixedly connected with a third spring 362 which is fixedly connected with the outer wall of the lower positioning block 33, one side outer wall of the upper storage plate 37 is fixedly connected with a limiting block 373 which is inserted into the inner wall of the clamping groove 321, one end of the upper storage plate 37 is provided with a buffer groove 371, two sides of the upper storage plate 37, which are close to the buffer groove 371, are provided with symmetrical through grooves 372, the inner wall of the upper positioning block 38 is in sliding connection with the outer wall of the lower positioning block 33, two ends of the upper positioning block 38 are provided with chamfers 381, two ends of the upper positioning block 38 are provided with positioning holes 382 which are inserted into the positioning rod 35, one side inner wall of the upper positioning block 38 is provided with an upper fastening groove 383, the upper outer wall of the upper positioning block 38 is fixedly connected with a mounting rod 385 and a limiting rod 384 respectively, wherein the inner wall of the buffering groove 371 is in sliding connection with the mounting rod 385, and the limiting rod 384 is in sliding connection with the inner wall of the through groove 372, and the side walls of the two ends of the fourth spring 39 are fixedly connected with the outer wall of the upper end of the mounting rod 385 and the inner wall of the buffering groove 371 respectively.

Embodiment two:

on the basis of the first embodiment, the present embodiment provides a detection method of a portable low-voltage leakage monitor:

s1: firstly, the guide rod 121 is pushed upwards to separate the upper part of the positioning ring 14 from the positioning groove of the second fixed block 22, and then the positioning ring 14 is rotated outwards to separate from contact with the second fixed block 22;

s2: secondly, the monitoring device body in which the cover body 2 is exposed is opened by rotating the ear plate 15 in cooperation with the adjusting block 21;

s3: then, after the plug 36 is pulled out, the power supply and the storage assembly 3 in the exposed part of the cover plate 25 are taken out;

s4: then, the pressing plate 36 is pressed to enable one end of the pressing rod 361 to prop against the notch 351 on the positioning rod 35 to slide downwards, meanwhile, the positioning rod 35 slides inwards the sliding groove 331 until the positioning rod is separated from contact with the upper positioning block 38, and at the moment, the upper positioning block 38 moves upwards under the resilience of the fourth spring 39 to separate from the fixation of the monitoring probe;

s5: finally, the upper storage plate 37 is pulled out upwards to separate the limiting block 373 from the clamping groove 321, the monitoring wire wound inside is exposed, and the monitoring wire is taken down and is plugged into a corresponding socket on the device body 1 together with the power wire, so that monitoring work can be performed.

When the device works, the guide rod 121 is pushed upwards to enable the upper part of the positioning ring 14 to be separated from the positioning groove of the second fixed block 22, the positioning ring 14 is rotated outwards to enable the positioning ring 14 to be separated from the second fixed block 22, the cover body 2 is opened through the rotation of the lug 15 matched with the adjusting block 21, the monitoring device body in the cover body 2 is exposed, the power supply and the storage assembly 3 in the exposed part of the cover plate 25 are taken down after the plug block 36 is pulled down, one end of the extrusion pressing plate 36 enables one end of the extrusion rod 361 to prop against the notch 351 on the positioning rod 35 to slide downwards, meanwhile, the positioning rod 35 slides to the inside of the slide groove 331 until the extrusion rod is separated from the upper positioning block 38, at the moment, the upper positioning block 38 moves upwards under the rebound of the fourth spring 39 to be separated from the fixation of the monitoring probe, the upper storage plate 37 is pulled up to enable the limiting block 373 and the clamping groove 321 to be separated, the monitoring line wound inside is exposed, the monitoring device body is taken down and is plugged into the corresponding socket on the device body 1 together with the power line, and the monitoring device body can be monitored.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A portable low-voltage leakage monitor, its characterized in that: comprising the following steps:

the device comprises a device body (1), wherein a first fixed block (11) is arranged on one side outer wall of the device body (1), an adjusting groove (111) and a symmetrical guide groove (112) are formed in the bottom end outer wall of the first fixed block (11), a mounting block (12) is arranged below the first fixed block (11), a first spring (13) fixedly connected with the upper side outer wall of the mounting block (12) and fixedly connected with the inner wall of the adjusting groove (111), a positioning ring (14) is arranged on the inner wall of the mounting block (12), and two symmetrical lug plates (15) are fixedly connected with one side outer wall of the device body (1);

the novel anti-theft device comprises a cover body (2), wherein one end of the cover body (2) is fixedly connected with an adjusting block (21) which is rotationally connected with two lug plates (15), a second fixing block (22) is arranged on the outer wall of one side, far away from the adjusting block (21), of the cover body (2), a positioning groove (221) which is clamped with the outer wall of a positioning ring (14) is formed in the outer wall of the upper end of the second fixing block (22), an annular plate (23) is fixedly connected with the inner wall of the cover body (2), a slot (231) is formed in one end of the annular plate (23), a baffle plate (232) is fixedly connected with the inner wall of the annular plate (23), limiting plates (233) are fixedly connected at two ends of the baffle plate (232), two groups of identical inserting rods (24) are arranged in the inner part, close to the annular plate (232), a cover plate (25) is arranged on the outer wall of the annular plate (23), and one end of the cover plate (25) is inserted with an inserting block (26);

the storage assembly (3), a plurality of storage assemblies (3) are installed in the cover body (2) and are close to the inside of the annular plate (23), and each storage assembly (3) comprises a lower storage plate (31), a winding block (32), a lower positioning block (33), a second spring (34), a positioning rod (35), a pressing plate (36), an upper storage plate (37), an upper positioning block (38) and a fourth spring (39).

2. The portable low voltage leakage monitor of claim 1, wherein: one side outer wall of the first fixed block (11) is fixedly connected with the outer wall of the device body (1), one side outer wall of the mounting block (12) close to the spring is fixedly connected with a guide rod (121) which is symmetrical and is slidably connected with the inner wall of the guide groove (112), and the outer wall between the two lug plates (15) is fixedly connected with a fixed shaft.

3. The portable low voltage leakage monitor of claim 2, wherein: the inner wall of the adjusting block (21) is rotationally connected with the outer wall of the fixed shaft between the ear plate (15), and the outer wall of one side of the second fixing block (22) is fixedly connected with one end of the cover body (2).

4. A portable low voltage leakage monitor according to claim 3 wherein: the power supply is installed on one side of the annular plate (23) close to the baffle (232), one end of the inserting rod (24) is fixedly connected with the inner wall of the cover body (1), the inserting block (26) penetrates through the cover plate (25) to be inserted into the inserting groove (231), and an anti-slip pad is fixedly connected with the inner wall of the inserting groove (231).

5. The portable low voltage leakage monitor of claim 1, wherein: the storage assembly (3) is used for storing the monitoring line, the outer wall of the lower storage plate (31) is fixedly connected with the outer wall of the winding block (32), and a clamping groove (321) is formed in the outer wall of one side of the winding block (32).

6. The portable low voltage leakage monitor of claim 5, wherein: one side outer wall of lower locating piece (33) and the one end fixed connection of lower storage board (31), spout (331) have been seted up to the both sides outer wall of lower locating piece (33), push down groove (332) that pierce through have been seted up to one end of spout (331), lower fastening groove (333) have been seted up to the upside outer wall of lower locating piece (33).

7. The portable low voltage leakage monitor of claim 6, wherein: the side walls at two ends of the second spring (34) are fixedly connected with one end of the positioning rod (35) and one side inner wall of the sliding groove (331) respectively, a notch (351) is formed in the surface of the positioning rod (35), and the notch (351) is in the shape of a right triangle.

8. The portable low voltage leakage monitor of claim 7, wherein: the pressing plate is characterized in that a pressing rod (361) which is symmetrically connected with the inner wall of the pressing groove (332) in a sliding mode is fixedly connected to the outer wall of one side of the pressing plate (36), one end of the pressing rod (361) is abutted to the groove (351), and a third spring (362) fixedly connected with the outer wall of the lower positioning block (33) is fixedly connected to the outer wall of one side of the mounting plate (36).

9. The portable low voltage leakage monitor of claim 8, wherein: the utility model discloses a buffer groove (371) has been seted up to one side outer wall fixedly connected with of going up take in board (37) and stopper (373) of draw-in groove (321) inner wall grafting, buffer groove (371) have been seted up to one end of going up take in board (37), go up take in board (37) and be close to both sides of buffer groove (371) and seted up symmetrical logical groove (372), the outer wall sliding connection of the inner wall of going up locating piece (38) and lower locating piece (33), chamfer (381) have been seted up at the both ends of going up locating piece (38), locating hole (382) with the grafting of locating lever (35) have been seted up at the both ends of going up locating piece (38), fastening groove (383) have been seted up to one side inner wall of going up locating piece (38), the top outer wall of going up locating piece (38) fixedly connected with respectively with buffer groove (371) inner wall sliding connection's installation pole (385) and with logical groove (372) inner wall sliding connection's spacing pole (384), the both ends lateral wall of fourth spring (39) respectively with the upper end outer wall of installation pole (385) and buffer groove (371) fixed connection.

10. A method of monitoring a portable low voltage leakage monitor according to any one of claims 1 to 9, wherein: the method comprises the following steps:

s1: firstly, pushing the guide rod (121) upwards to separate the upper part of the positioning ring (14) from the positioning groove of the second fixed block (22), and then rotating the positioning ring (14) outwards to separate the positioning ring from the second fixed block (22);

s2: secondly, the cover body (2) is opened through the rotation of the lug plate (15) and the matching of the adjusting block (21) to expose the monitoring device body inside;

s3: then, after the plug block (36) is pulled out, the power supply and the storage assembly (3) in the exposed part of the cover plate (25) are taken out;

s4: then, the pressing plate (36) is pressed to enable one end of the pressing rod (361) to prop against a notch (351) on the positioning rod (35) to slide downwards, meanwhile, the positioning rod (35) slides towards the inside of the sliding groove (331) until the positioning rod is separated from contact with the upper positioning block (38), and at the moment, the upper positioning block (38) moves upwards under the resilience of the fourth spring (39) to separate from the fixation of the monitoring probe;

s5: finally, the upper storage plate (37) is pulled out upwards to separate the limiting block (373) from the clamping groove (321), the monitoring wire wound inside is exposed, and the monitoring wire is taken down and is inserted into a corresponding socket on the device body (1) together with the power wire to perform monitoring work.