CN113219299A

CN113219299A - Portable comprehensive diagnosis device for distribution line

Info

Publication number: CN113219299A
Application number: CN202110416426.5A
Authority: CN
Inventors: 饶基贤; 王炼; 李国栋; 李永见; 韦腾飞
Original assignee: Shenzhen Power Supply Bureau Co Ltd
Current assignee: Shenzhen Power Supply Bureau Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-08-06

Abstract

The invention relates to a portable comprehensive diagnosis device for a distribution line, which comprises a box body and a diagnosis device body, wherein the diagnosis device body comprises a battery module, a power supply conversion module, a boosting module, an output module, a judgment module, a reading module and a protection module. The above-mentioned scheme that this application provided, power conversion module is used for carrying out power conversion to external power supply and inside battery module and uses, promote the flexibility of power supply, be fit for the use under the different environment, the power signal of power conversion module output is through on boost module and output module couple to the distribution network branch line, read the real-time voltage that the module will be monitored, current signal sends the judgement module and carries out the analysis and judgement, through monitoring the leakage current that produces on certain branch line, can assess the withstand voltage level of this branch line, and then judge whether insulation fault appears, needn't carry out the investigation by branch line outage one by one, effectively improve the efficiency of troubleshooting, the reliability of distribution network power supply has been guaranteed.

Description

Portable comprehensive diagnosis device for distribution line

Technical Field

The invention relates to the technical field of distribution equipment, in particular to a portable comprehensive diagnosis device for a distribution line.

Background

Faults of the distribution line can be classified into transient faults and permanent faults. Transient faults such as arc flashover and short circuit of a line insulator, when the line is tripped, the line loses voltage, under the action of air dissociation, the ground insulation and the interphase air insulation of the insulator are quickly recovered, most of lightning flashover of the overhead line belongs to the faults, at the moment, reclosing can be successfully carried out after action of a recloser, and statistical data shows that the transient faults account for about 90% and the permanent faults are generally less than 10% in power distribution network accidents.

Permanent faults are faults in which the insulation of a line or electrical equipment is damaged by permanent breakdown and cannot be recovered after power failure. If the line has a permanent fault, the insulation of the fault point after the line trips cannot be recovered, the fault exists permanently, the action of the recloser cannot be successfully reclosed, and the accident is enlarged due to the fact that the line is closed to the fault point.

Therefore, after the distribution line has a fault, the accurate fault diagnosis can enable the fault treatment to be carried out as early as possible, ensure the rapid recovery of power supply and obviously reduce the comprehensive economic loss caused by the fault. In view of the above circumstances, it is urgently needed to develop a portable, labor-saving, robust and flexible-to-use intelligent distribution line fault diagnosis device.

Disclosure of Invention

Accordingly, it is necessary to provide a portable comprehensive diagnosis apparatus for a distribution line, which can solve the problem that the conventional distribution line cannot be conveniently diagnosed after a fault occurs.

The invention provides a portable comprehensive diagnosis device for a distribution line, which comprises a box body and a diagnosis device body, wherein the diagnosis device body is arranged in the box body;

the diagnosis device body comprises a battery module, a power supply conversion module, a boosting module, an output module, a judgment module, a reading module and a protection module; the battery module, the power conversion module, the boosting module and the output module are electrically connected in sequence, the power conversion module, the judgment module and the reading module are electrically connected in sequence, and the protection module is electrically connected with the judgment module;

the power supply conversion module is used for performing power supply conversion on an external power supply and an internal battery module and then coupling a converted power supply signal to a power distribution network branch line through the boosting module and the output module; and the reading module sends the monitored real-time voltage and current signals to the judging module for analysis and judgment.

Above-mentioned portable comprehensive diagnosis device of distribution lines, power conversion module is used for carrying out the power conversion use to external power supply and inside battery module, promote the flexibility of power supply, be fit for the use under the different environment, the power signal of power conversion module output is on boosting module and output module coupling to distribution network branch line, read the real-time voltage that the module will be monitored, current signal sends the judgement module and carries out the analysis and judgement, through monitoring the leakage current that produces on certain branch line, can assess the withstand voltage level of this branch line, and then judge whether insulation fault appears, needn't break down the power supply of branch line one by one and investigate, effectively improve the efficiency of troubleshooting, the reliability of distribution network power supply has been guaranteed.

In one embodiment, the fan further comprises a heat dissipation assembly, wherein the heat dissipation assembly comprises a box cover, a heat dissipation frame, a first filter screen, a second filter screen, a motor and fan blades;

case lid detachable installs the opening side of box top, follow on the case lid the direction of height of box runs through and is provided with the heat dissipation frame, the heat dissipation frame deviates from one side of the box inside is provided with first filter screen, the heat dissipation frame orientation one side of the box inside is provided with the second filter screen, the motor sets up in the heat dissipation frame, output shaft orientation on the motor one side of the box inside, the flabellum is installed on the output shaft of motor.

In one embodiment, the heat dissipation assembly further comprises heat dissipation holes, and the heat dissipation holes are formed in two side faces of the box body in a penetrating mode.

In one embodiment, the diagnosis device further comprises a moving plate which is horizontally arranged inside the box body and can move along the height direction of the box body, and the diagnosis device body is detachably arranged on the moving plate.

In one embodiment, the damping device further comprises a first damping spring, a fixing sleeve, a fixing block, a moving block, a damping rod, a second damping spring and at least two fixing columns;

the two fixed columns are correspondingly positioned on two sides of the diagnostic device body, the lower ends of the fixed columns are fixedly connected with the bottom surface inside the box body, the upper ends of the fixed columns penetrate through the movable plate and then extend to the position above the movable plate, the first damping spring is sleeved on the fixed columns, one end of the first damping spring is abutted against the bottom surface of the movable plate, and the other end of the first damping spring is abutted against the bottom surface inside the box body;

the fixed column is provided with the fixed sleeve at one end deviating from the bottom surface inside the box body, the fixed sleeve is arranged in a penetrating manner along the horizontal direction, one side of the fixed sleeve facing the diagnosis device body is connected with the moving block in a sliding manner, one side of the fixed sleeve far away from the diagnosis device body is fixedly connected with the fixed block, the second damping spring is arranged between the fixed block and the moving block, one end of the damping rod is connected with the diagnosis device body, the other end of the damping rod penetrates through the moving block and the fixed block to extend to the outer side of the fixed sleeve, the damping rod is fixedly connected with the moving block, the damping rod is connected with the fixed block in a sliding manner, and the second damping spring is sleeved on the damping rod.

In one embodiment, the diagnostic apparatus further comprises a contact plate, wherein an elastic layer is arranged on the contact plate, and the contact plate is located between the shock absorption rod and the diagnostic apparatus body.

In one embodiment, the connecting assembly is arranged on the outer side face of the box body.

In one of them embodiment, coupling assembling includes movable block and angle modulation spare, the one end of movable block with the lateral surface of box is connected, the other end of movable block with angle modulation spare is connected.

In one of them embodiment, still include connecting block, connecting rod, movable rod, connecting bolt and fixture block, the movable block orientation one side of box is provided with the recess, be provided with the draw-in groove on the inside horizontal plane of recess, the one end of connecting block with the box is connected, the other end of connecting block passes through the fixture block with the draw-in groove cooperation, the top of connecting block is connected with the connecting rod, the connecting rod is kept away from the one end of connecting block with the movable rod is connected, the movable rod passes through connecting bolt fixes on the movable block.

In one embodiment, the angle adjusting piece comprises a U-shaped plate, a mounting plate, a worm, a rotary disc, a turbine, a first rotating shaft, a first gear, a second rotating shaft and an L-shaped plate;

first pivot sets up in the U template, the mounting panel with the L template is all fixed the outside of U template, the movable block is kept away from the one end of box with first pivot is connected, first gear sleeve is established in the first pivot, first gear with the meshing of second gear, the one end of second pivot with the second gear is connected, and the other end passes behind the U template with the L template is connected, the turbine cover is established the second pivot is located one section in the U template outside, the worm with the meshing of turbine, the carousel sets up the top of worm.

Drawings

Fig. 1 is a schematic diagram of module electrical connections of a diagnosis device main body in a portable comprehensive diagnosis device for distribution lines according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a case according to an embodiment of the present invention;

FIG. 3 is a schematic view of the cover of FIG. 2;

FIG. 4 is an enlarged view of area A in FIG. 2;

FIG. 5 is a schematic view of the enclosure of FIG. 2 secured to a building;

FIG. 6 is a schematic view of a connection structure between the case and the connection assembly in FIG. 2;

FIG. 7 is a schematic view of the connection assembly of FIG. 6;

FIG. 8 is an enlarged view of area B of FIG. 7;

fig. 9 is a side view of fig. 7.

The figures are labeled as follows:

1. a box body; 2. a box cover; 3. heat dissipation holes; 4. a heat dissipation frame; 5. a first filter screen; 6. a second filter screen; 7. a motor; 8. a support block; 9. a fan blade; 10. moving the plate; 11. fixing a column; 12. a first damping spring; 13. fixing a sleeve; 14. a fixed block; 15. a moving block; 16. a shock-absorbing lever; 17. a second damping spring; 18. a contact plate; 19. a diagnostic device body; 200. a connecting assembly; 201. a movable block; 2011. a groove; 2012. connecting blocks; 2013. a connecting rod; 2014. a movable rod; 2015. a connecting bolt; 2016. a card slot; 2017. a clamping block; 202. a U-shaped plate; 203. mounting a plate; 204. a worm; 205. a turntable; 206. a turbine; 207. a first rotating shaft; 208. a first gear; 209. a second gear; 2010. a second rotating shaft; 2021. an L-shaped plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, a portable comprehensive diagnostic apparatus for a distribution line is provided, which includes a box 1 and a diagnostic apparatus body 19, wherein the diagnostic apparatus body 19 is disposed in the box 1, and the diagnostic apparatus body 19 includes a battery module, a power conversion module, a voltage boosting module, an output module, a judgment module, a reading module, and a protection module; the battery module, the power conversion module, the boosting module and the output module are sequentially and electrically connected, the power conversion module, the judgment module and the reading module are sequentially and electrically connected, and the protection module is electrically connected with the judgment module; the power supply conversion module is used for performing power supply conversion on an external power supply and the internal battery module and then coupling a converted power supply signal to a power distribution network branch line through the boosting module and the output module; the reading module sends the monitored real-time voltage and current signals to the judging module for analysis and judgment.

By adopting the technical scheme, the power supply conversion module is used for carrying out power supply conversion on an external power supply and an internal battery module, the flexibility of power supply is improved, and the power supply conversion module is suitable for being used in different environments, a power supply signal output by the power supply conversion module is coupled to a branch line of a power distribution network through the boosting module and the output module, the reading module sends a monitored real-time voltage and current signal to the judging module for analysis and judgment, and by monitoring leakage current generated on a certain branch line, the voltage-resistant level of the branch can be evaluated to further judge whether insulation faults occur, the fault is not necessary to be checked after the branch is powered off, the efficiency of fault checking is effectively improved, the reliability of power supply of the power distribution network is ensured, meanwhile, the protection module is a protection switch, and when the diagnostic device body is abnormal, the protection module automatically puts into protection action, so that the safety of a user is guaranteed.

In some embodiments, as shown in fig. 2 in combination with fig. 3, the portable comprehensive diagnosis device for distribution lines in the present application further includes a heat dissipation assembly, which includes a box cover 2, a heat dissipation frame 4, a first filter 5, a second filter 6, a motor 7, and fan blades 9; case lid 2 detachable installs the opening side in 1 top of box, it is provided with heat dissipation frame 4 to run through along 1 direction of height of box on case lid 2, one side that heat dissipation frame 4 deviates from 1 inside of box is provided with first filter screen 5, heat dissipation frame 4 is provided with second filter screen 6 towards one side of 1 inside of box, motor 7 sets up in heat dissipation frame 4, the equal level in this motor 7 left and right sides is provided with supporting shoe 8, two supporting shoes 8 lean on the near-end mutually all with motor 7 side fixed connection, two supporting shoes 8 keep away from the terminal surface mutually all with 4 inner wall fixed connection of heat dissipation frame, output shaft on the motor 7 is towards one side of 1 inside of box, flabellum 9 is installed on the output shaft of motor 7.

When the diagnosis device is used, the motor 7 is started, the motor 7 drives the fan blades 9 to rotate, cold air outside the box body 1 enters the box body 1, and therefore the surface of the diagnosis device body 19 is uniformly cooled, and the service life of the diagnosis device body 19 is prolonged.

In some embodiments, as shown in fig. 2, the heat dissipation assembly in the present application further includes heat dissipation holes 3, the cross sections of the heat dissipation holes 3 are all inclined from high inside to low outside, the heat dissipation holes 3 are all through-arranged on two side surfaces of the box 1, and the arrangement of the heat dissipation holes 3 further improves the air exchange between the inside and the outside of the box 1, thereby facilitating the cooling of the diagnosis device body 19.

In some embodiments, as shown in fig. 2, the portable comprehensive diagnosis device for distribution lines in the present application further includes a movable plate 10, the movable plate 10 is horizontally disposed inside the box 1, the movable plate 10 is capable of moving along the height direction of the box 1, and the diagnosis device body 19 is detachably disposed on the movable plate 10.

Further, as shown in fig. 4, the portable comprehensive diagnosis device for the distribution line in the application further includes a first damping spring 12, a fixed sleeve 13, a fixed block 14, a moving block 15, a damping rod 16, a second damping spring 17, and at least two fixed columns 11, wherein the two fixed columns 11 are correspondingly located on two sides of the diagnosis device body 19, the lower ends of the fixed columns 11 are fixedly connected with the bottom surface inside the box body 1, the upper ends of the fixed columns 11 extend above the moving plate 10 after penetrating through the moving plate 10, the first damping spring 12 is sleeved on the fixed columns 11, one end of the first damping spring 12 abuts against the bottom surface of the moving plate 10, and the other end abuts against the bottom surface inside the box body 1; the one end that fixed column 11 deviates from the inside bottom surface of box 1 is provided with fixed cover 13, fixed cover 13 link up the setting along the horizontal direction, fixed cover 13 has movable block 15 towards one side sliding connection of diagnostic device body 19, fixed cover 13 keeps away from one side fixed connection of diagnostic device body 19 has fixed block 14, second damping spring 17 sets up between fixed block 14 and movable block 15, the one end and the diagnostic device body 19 of shock absorber rod 16 are connected, the other end passes movable block 15 and fixed block 14 extends to the fixed cover 13 outside, shock absorber rod 16 and movable block 15 fixed connection, shock absorber rod 16 and fixed block 14 sliding connection, second damping spring 17 cover is established on shock absorber rod 16.

Specifically, two fixed columns 11 are vertically arranged below the moving plate 10, the two fixed columns 11 are located on two sides of the diagnostic device body 19, the two fixed columns 11 are arranged in bilateral symmetry with the center line of the moving plate 10, the bottom surfaces of the fixed columns 11 are fixedly connected with the bottom surface inside the box body 1, the top ends of the two fixed columns 11 extend to the upper side of the moving plate 10 through the moving plate 10, first damping springs 12 are sleeved on the fixed columns 11, the top ends of the first damping springs 12 are fixedly connected with the bottom surface of the moving plate 10, and the lower ends of the first damping springs 12 are fixedly connected with the bottom surface inside the box body 1;

the top ends of the two fixed columns 11 are horizontally and fixedly provided with fixed sleeves 13, the fixed sleeves 13 are arranged in a left-right through mode, one sides, facing a diagnostic device body 19, of the fixed sleeves 13 are provided with moving blocks 15, the moving blocks 15 are connected with the inner walls of the fixed sleeves 13 in a sliding mode, one sides, far away from the diagnostic device body 19, of the fixed sleeves 13 are provided with fixed blocks 14, the fixed blocks 14 are fixedly connected with the inner walls of the fixed sleeves 13, one ends of the shock absorption rods 16 penetrate through the moving blocks 15 and the fixed blocks 14 and extend to the outer sides of the fixed sleeves 13, the shock absorption rods 16 are fixedly connected with the moving blocks 15, the shock absorption rods 16 are connected with the fixed blocks 14 in a sliding mode, second shock absorption springs 17 are horizontally arranged between the moving blocks 15 and the fixed blocks 14, the left ends and the right ends of the second shock absorption springs 17 are respectively fixedly connected with the side faces of the fixed blocks 14 and the side faces of the moving blocks 15, one ends, facing the diagnostic device body 19, of the shock absorption rods 18 are provided with contact plates 18, and the side faces of the ends, far away from the shock absorption rods 16, of the contact plates are contacted with the side faces of the diagnostic device body 19;

in this embodiment, the contact plate 18 is made of a sponge material, and the deformation of the two second damping springs 17 effectively absorbs the force in the left-right direction applied to the diagnostic apparatus body 19, so as to ensure that the diagnostic apparatus body 19 does not damage or shift the internal apparatus due to the external impact force during operation, thereby effectively ensuring the continuity of the operation.

In some embodiments, in order to facilitate the installation of the box 1 on the building 01, as shown in fig. 5 in combination with fig. 6, the portable comprehensive diagnosis device for distribution lines in the present application further includes a connection assembly 200, and the connection assembly 200 is disposed on the outer side surface of the box 1.

Further, as shown in fig. 7, the connection assembly 200 in this application includes the movable block 201 and the angle adjusting piece, and the one end of the movable block 201 is connected with the lateral surface of the box 1, and the other end of the movable block 201 is connected with the angle adjusting piece, and the setting that the angle adjusting piece is connected has made things convenient for the position that changes the movable block 201 to just make things convenient for the regulation of box 1 angle.

As shown in fig. 8, the portable comprehensive diagnosis device for distribution lines in this application further includes a connection block 2012, a connection rod 2013, a movable rod 2014, a connection bolt 2015 and a fixture block 2017, the movable block 201 is provided with a groove 2011 towards one side of the box 1, a clamp groove 2016 is provided on the horizontal plane inside the groove 2011, one end of the connection block 2012 is connected with the box 1, the other end of the connection block 2012 is matched with the clamp groove 2016 through the fixture block 2017, the connection rod 2013 is connected above the connection block 2012, one end of the connection block 2012 far away from the connection rod 2013 is connected with the movable rod 2014, and the movable rod 2014 is fixed on the movable block 201 through the connection bolt 2015.

When box 1 is dismantled from movable block 201 as required, only need not hard up connecting bolt 2015 so that movable rod 2014 drops from movable block 201, at this moment, upwards move connecting rod 2013 again, connecting rod 2013 drives fixture block 2017 on the connecting block 2012 and drops from draw-in groove 2016, outwards move box 1 again finally alright in order to accomplish the dismantlement work.

In some embodiments, as shown in fig. 9, the angle adjusting member in the present application includes a U-shaped plate 202, a mounting plate 203, a worm 204, a turntable 205, a turbine 206, a first rotating shaft 207, a first gear 208, a second gear 209, a second rotating shaft 2010, and an L-shaped plate 2021, where the first rotating shaft 207 is disposed in the U-shaped plate 202, the mounting plate 203 and the L-shaped plate 2021 are both fixed to the outer side of the U-shaped plate 202, one end of the movable block 201 away from the box body 1 is connected to the first rotating shaft 207, the first gear 208 is sleeved on the first rotating shaft 207, the first gear 208 is engaged with the second gear 209, one end of the second rotating shaft 2010 is connected to the second gear 209, and the other end passes through the U-shaped plate 202 and is connected to the L-shaped plate 2021, the turbine 206 is sleeved on a section of the second rotating shaft 2010 located on the outer side of the U-shaped plate 202, the worm 204 is engaged with the turbine 206, and the turntable 205 is disposed on top of the worm 204.

When box 1 needs to be hung on building 01, the clamping groove on the mounting plate 203 is clamped into the protrusion on the building 01, when the box 1 needs to be angularly adjusted, the turntable 205 is rotated, the turntable 205 drives the worm 204 to rotate, the worm 204 drives the worm wheel 206 to rotate, the worm wheel 206 drives the second rotating shaft 2010 to rotate, the second rotating shaft 2010 drives the second gear 209 to rotate, the second gear 209 drives the first gear 208 to rotate, the first gear 208 drives the first rotating shaft 207 to rotate, the first rotating shaft 207 drives the movable block 201 to rotate, because the movable block 201 is connected with the box 1, when the movable block 201 rotates, the box 1 can be driven to rotate, and therefore the angular adjustment of the box 1 is achieved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A portable comprehensive diagnosis device for distribution lines, characterized by comprising a box body (1) and a diagnosis device body (19), wherein the diagnosis device body (19) is arranged in the box body (1);

the diagnosis device body (19) comprises a battery module, a power supply conversion module, a boosting module, an output module, a judgment module, a reading module and a protection module; the battery module, the power conversion module, the boosting module and the output module are electrically connected in sequence, the power conversion module, the judgment module and the reading module are electrically connected in sequence, and the protection module is electrically connected with the judgment module;

2. The portable comprehensive diagnosis device for distribution lines of claim 1, further comprising a heat dissipation assembly, wherein the heat dissipation assembly comprises a box cover (2), a heat dissipation frame (4), a first filter (5), a second filter (6), a motor (7) and fan blades (9);

case lid (2) detachable installs the opening side of box (1) top, follow on case lid (2) the direction of height of box (1) runs through and is provided with heat dissipation frame (4), heat dissipation frame (4) deviate from one side of box (1) inside is provided with first filter screen (5), heat dissipation frame (4) orientation one side of box (1) inside is provided with second filter screen (6), motor (7) set up in heat dissipation frame (4), the output shaft orientation on motor (7) one side of box (1) inside, install flabellum (9) on the output shaft of motor (7).

3. The portable comprehensive diagnosis device for distribution lines of claim 2, wherein the heat dissipation assembly further comprises heat dissipation holes (3), and the heat dissipation holes (3) are arranged on both side surfaces of the box body (1) in a penetrating manner.

4. The portable comprehensive diagnosis device for distribution lines according to claim 1, further comprising a movable plate (10), wherein the movable plate (10) is horizontally disposed inside the box body (1), the movable plate (10) is capable of moving in the height direction of the box body (1), and the diagnosis device body (19) is detachably disposed on the movable plate (10).

5. The portable comprehensive diagnosis device for distribution lines of claim 4, further comprising a first damping spring (12), a fixed sleeve (13), a fixed block (14), a movable block (15), a damping rod (16), a second damping spring (17) and at least two fixed columns (11);

the two fixing columns (11) are correspondingly positioned on two sides of the diagnostic device body (19), the lower ends of the fixing columns (11) are fixedly connected with the bottom surface inside the box body (1), the upper ends of the fixing columns (11) penetrate through the moving plate (10) and then extend to the upper side of the moving plate (10), the first damping springs (12) are sleeved on the fixing columns (11), one ends of the first damping springs (12) are abutted to the bottom surface of the moving plate (10), and the other ends of the first damping springs are abutted to the bottom surface inside the box body (1);

the fixed sleeve (13) is arranged at one end of the fixed column (11) departing from the inner bottom surface of the box body (1), the fixed sleeve (13) is arranged in a penetrating manner along the horizontal direction, the moving block (15) is connected to one side, facing the diagnostic device body (19), of the fixed sleeve (13) in a sliding manner, the fixed block (14) is fixedly connected to one side, away from the diagnostic device body (19), of the fixed sleeve (13), the second damping spring (17) is arranged between the fixed block (14) and the moving block (15), one end of the damping rod (16) is connected with the diagnostic device body (19), the other end of the damping rod penetrates through the moving block (15) and the fixed block (14) and extends to the outer side of the fixed sleeve (13), the damping rod (16) is fixedly connected with the moving block (15), and the damping rod (16) is connected with the fixed block (14) in a sliding manner, the second damping spring (17) is sleeved on the damping rod (16).

6. The portable integrated distribution line diagnostic apparatus according to claim 5, further comprising a contact plate (18), wherein an elastic layer is provided on the contact plate (18), and wherein the contact plate (18) is located between the shock absorbing bar (16) and the diagnostic apparatus body (19).

7. The portable integrated distribution line diagnostic apparatus according to claim 1, further comprising a connecting member (200), wherein the connecting member (200) is disposed on an outer side surface of the casing (1).

8. The portable comprehensive diagnosis device for distribution lines according to claim 7, wherein the connection assembly (200) comprises a movable block (201) and an angle adjusting member, one end of the movable block (201) is connected with the outer side surface of the box body (1), and the other end of the movable block (201) is connected with the angle adjusting member.

9. The portable comprehensive diagnosis device for distribution lines of claim 8, further comprising a connection block (2012), a connection rod (2013), a movable rod (2014), a connection bolt (2015) and a fixture block (2017), a groove (2011) is arranged on one side of the movable block (201) facing the box body (1), a clamping groove (2016) is arranged on the horizontal plane inside the groove (2011), one end of the connecting block (2012) is connected with the box body (1), the other end of the connecting block (2012) is matched with the clamping groove (2016) through the clamping block (2017), the connecting rod (2013) is connected above the connecting block (2012), one end of the connecting rod (2013) far away from the connecting block (2012) is connected with the movable rod (2014), the activity pole (2014) pass through connecting bolt (2015) are fixed on activity piece (201).

10. The portable comprehensive diagnostic device for distribution lines, according to claim 8, characterized in that the angle adjusting member comprises a U-shaped plate (202), a mounting plate (203), a worm (204), a turntable (205), a worm wheel (206), a first rotating shaft (207), a first gear (208), a second gear (209), a second rotating shaft (2010) and an L-shaped plate (2021);

the first rotating shaft (207) is arranged in the U-shaped plate (202), the mounting plate (203) and the L-shaped plate (2021) are fixed on the outer side of the U-shaped plate (202), one end of the movable block (201) far away from the box body (1) is connected with the first rotating shaft (207), the first gear (208) is sleeved on the first rotating shaft (207), the first gear (208) is meshed with the second gear (209), one end of the second rotating shaft (2010) is connected with the second gear (209), the other end of the second rotating shaft penetrates through the U-shaped plate (202) and then is connected with the L-shaped plate (2021), the turbine (206) is sleeved on a section of the second rotating shaft (2010) located on the outer side of the U-shaped plate (202), the worm (204) is meshed with the worm wheel (206), and the rotating disc (205) is arranged on the top of the worm (204).