CN215986426U - Single-phase earth fault line selection device of asymmetric small current system - Google Patents
Single-phase earth fault line selection device of asymmetric small current system Download PDFInfo
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- CN215986426U CN215986426U CN202121903505.0U CN202121903505U CN215986426U CN 215986426 U CN215986426 U CN 215986426U CN 202121903505 U CN202121903505 U CN 202121903505U CN 215986426 U CN215986426 U CN 215986426U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000005476 soldering Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a single-phase earth fault line selection device of an asymmetric small current system, belonging to the technical field of earth wires, the key points of the technical proposal are that the device comprises a device body, the top of the device body is fixedly connected with a heat dissipation mechanism, the two sides of the device body are fixedly connected with the adjusting mechanisms, and the two sides of the heat dissipation mechanism are fixedly connected with the shell, so that the problem that the conventional small-current grounding wire selection device does not have the function of adjusting the height and is difficult to detect when a user detects a higher circuit point is solved, meanwhile, the device does not have the function of heat dissipation, and the small-current grounding wire selection device is not easy to be damaged by current when being used for a long time, the high temperature can be generated in the wire selection device, the short circuit of an internal circuit or the fire disaster can be easily caused under the influence of the high temperature, the practicability and the safety are reduced, and the problems of improving the efficiency and dissipating heat of the low-current grounding wire selection device during wire selection can not be solved.
Description
Technical Field
The utility model relates to the technical field of grounding wires, in particular to a single-phase grounding fault wire selection device of an asymmetric small current system.
Background
The grounding wire is a wire directly connected with the earth and can also be called as a safety return line, high voltage is directly transferred to the earth in danger, even if the grounding wire is a life wire, the shell of the household electrical appliance equipment can have certain static electricity due to poor insulation performance or moist use environment, and electric shock accidents can occur in serious cases, in order to avoid accidents, a wire can be connected to the metal shell of the electric appliance, the other end of the wire is connected to the ground, once the electric appliance leaks electricity, the grounding wire can bring static electricity to the ground to be released, in addition, when an electric soldering iron is used for soldering a circuit by an electric appliance maintenance worker, the electric soldering iron can break down and damage an integrated circuit in the electric appliance due to electrification of the electric soldering iron, which is important, friends using a computer can ignore the grounding of the main case, the computer host shell is connected with a ground wire, so that the phenomenon of dead halt can be prevented to a certain extent.
When the line selection is carried out on the ground wire, a small-current ground wire line selection device is required to be used, the application of the small-current ground wire line selection device in the field of power engineering is very wide, in sum, the existing small-current ground wire line selection device does not have the function of height adjustment, a user can hardly detect a higher circuit point when detecting the higher circuit point, and does not have the function of heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a single-phase earth fault line selection device of an asymmetric small current system, which aims to solve the problems that the existing small current earth line selection device does not have the function of height adjustment, a user is difficult to detect a higher circuit point when detecting the higher circuit point, and simultaneously does not have the function of heat dissipation, and when the small current earth line selection device is used for a long time, high temperature can be generated in the small current earth line selection device due to the influence of current, the short circuit of an internal circuit or the fire disaster can be easily caused under the influence of the high temperature, the practicability and the safety are reduced, and the efficiency can not be improved and the heat dissipation of the small current earth line selection device can not be realized when the line is selected.
The utility model is realized in such a way that the single-phase earth fault line selection device of the asymmetric small current system comprises a device body, wherein the top of the device body is fixedly connected with a heat dissipation mechanism, two sides of the device body are both fixedly connected with adjusting mechanisms, and two sides of the heat dissipation mechanism are both fixedly connected with a shell;
the adjusting mechanism comprises fixing rods, bearings, movable rods, handles and a bottom plate, wherein one side, opposite to the fixing rods, of each fixing rod is fixedly connected with the device body, each bearing is movably mounted on the inner wall of the corresponding fixing rod, the bottom of each bearing is fixedly connected with the top of the corresponding movable rod, one side, opposite to the corresponding bearing, of each bearing is fixedly connected with the corresponding handle, one side, opposite to the corresponding handle, of each handle is used to go out of the corresponding fixing rod, and the bottom of each movable rod penetrates through the bottom of the corresponding fixing rod and is fixedly connected with the top of the bottom plate.
In order to achieve the purpose of dissipating heat of the device body, the single-phase ground fault line selection device of the small current system adopting the asymmetric method is preferably used, the heat dissipation mechanism comprises two heat dissipation fans, two protection plates and pull grooves, the surfaces of the heat dissipation fans are fixedly connected with the inner wall of the device body, the bottoms of the protection plates are movably connected with the top of the device body, the pull grooves are formed in the tops of the protection plates, two sides of each protection plate are fixedly connected with the shell, and the bottoms of the protection plates are in contact with the top of the heat dissipation fans.
In order to achieve the purpose of positioning the protection plate, the single-phase ground fault line selection device of the asymmetric small current system is preferably used as the line selection device of the asymmetric small current system, the inner wall of the shell is fixedly connected with a spring, the bottom of the spring is fixedly connected with a movable plate, the bottom of the movable plate is fixedly connected with a limiting rod, and the bottom of the limiting rod penetrates through the bottom of the shell.
In order to achieve the purpose of conveniently moving the protection plate, the single-phase earth fault line selection device of the asymmetric small current system is preferably used, the right side of the bottom of the protection plate is fixedly connected with the dovetail block, and the top of the device body is provided with the dovetail groove matched with the dovetail block for use.
In order to achieve the purpose of conveniently moving and positioning the handle, the single-phase ground fault line selection device of the small current system adopting the asymmetric method is preferably characterized in that a movable hole matched with the handle is formed in the front side of the fixed rod, a plurality of movable grooves matched with the movable hole are formed in the surface of the fixed rod, and a concave groove is formed in the inner wall of each movable groove.
In order to achieve the purpose of positioning the shell, the single-phase ground fault line selection device of the small current system adopting the asymmetric method is preferably characterized in that the top of the device body is provided with two limiting holes, the inner walls of the limiting holes are movably connected with the surface of the limiting rod, and the number of the limiting holes is two.
In order to achieve the purpose of conveniently moving the limiting rod, the single-phase ground fault line selection device of the asymmetric small current system is preferably characterized in that the bottom of the shell is provided with a through hole, and the surface of the limiting rod is in contact with the inner wall of the through hole.
Compared with the prior art, the utility model has the beneficial effects that:
the single-phase earth fault line selection device of the asymmetric small current system can ensure that when a user needs to adjust the height of the device body by arranging the adjusting mechanism, the user pulls the handle to drive the bearing to move, so that the handle moves in the inner cavity of the movable hole, the movement of the bearing drives the movable rod to move, the movement of the movable rod drives the bottom plate to move, and the movable rod moves out of a required distance, at the moment, the user rotates the handle through the bearing to enable the handle to enter the inner cavity of the movable groove, after the handle enters the inner cavity of the movable groove, the user can enable the bottom of the bottom plate to be in contact with the ground, so that the handle can enter the inner cavity of the concave groove, thereby adjusting the height of the device body, the user can more conveniently detect circuit points with different heights, by arranging the heat dissipation mechanism, when the user needs to dissipate heat of the device body, the user passes through the kerve pulling guard plate, exposes cooling fan, and at this moment, the user opens cooling fan and can dispel the heat to the device body, avoids high temperature to lead to the device body to take place the phenomenon of short circuit and conflagration, has increased practicality and security, has made things convenient for user's use.
Drawings
FIG. 1 is an overall structure diagram of the single-phase earth fault line selection device of the asymmetric small current system of the utility model;
FIG. 2 is an exploded view of a portion of the present invention;
FIG. 3 is a perspective view of a partial structure of the present invention;
FIG. 4 is a perspective view of the fender and housing of the present invention;
FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 1;
fig. 6 is a partial enlarged view of the utility model at B in fig. 2.
In the figure, 1, an apparatus body; 2. an adjustment mechanism; 201. fixing the rod; 202. a bearing; 203. a movable rod; 204. a handle; 205. a base plate; 3. a heat dissipation mechanism; 301. a heat radiation fan; 302. a protection plate; 303. groove drawing; 4. a movable hole; 5. a housing; 6. a through hole; 7. a spring; 8. a movable plate; 9. a limiting rod; 10. a dovetail block; 11. a dovetail groove; 12. a limiting hole; 13. a movable groove; 14. a recessed groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-6, the present invention provides the following technical solutions: a single-phase earth fault line selection device of an asymmetric small current system comprises a device body 1, wherein the top of the device body 1 is fixedly connected with a heat dissipation mechanism 3, two sides of the device body 1 are both fixedly connected with adjusting mechanisms 2, and two sides of the heat dissipation mechanism 3 are both fixedly connected with a shell 5;
the adjusting mechanism 2 comprises fixing rods 201, bearings 202, movable rods 203, handles 204 and a bottom plate 205, one side of each of the two fixing rods 201 opposite to each other is fixedly connected with the device body 1, the bearings 202 are movably mounted on the inner walls of the fixing rods 201, the bottoms of the bearings 202 are fixedly connected with the tops of the movable rods 203, one side of each of the two bearings 202 opposite to each other is fixedly connected with the handle 204, one side of each of the two handles 204 opposite to each other is used to the outside of the fixing rod 201, and the bottoms of the movable rods 203 penetrate through the bottoms of the fixing rods 201 and are fixedly connected with the tops of the bottom plate 205.
In this embodiment: when the user needs to adjust the height of the device body 1 by arranging the adjusting mechanism 2, the user pulls the handle 204 to drive the bearing 202 to move, the handle 204 moves in the inner cavity of the movable hole 4, the moving of the bearing 202 drives the movable rod 203 to move, the moving of the movable rod 203 drives the bottom plate 205 to move, and the movable rod 203 moves out of a required distance, at the moment, the user rotates the handle 204 through the bearing 202 to enable the handle 204 to enter the inner cavity of the movable groove 13, after the handle 204 enters the inner cavity of the movable groove 13, the user can enable the bottom of the bottom plate 205 to be in contact with the ground, so that the handle 204 can enter the inner cavity of the concave groove 14, thereby adjusting the height of the device body 1, the user can more conveniently detect circuit points with different heights, by arranging the heat dissipation mechanism 3, when the user needs to dissipate heat of the device body 1, the user passes through pull groove 303 pulling guard plate 302, exposes cooling fan 301, and at this moment, the user opens cooling fan 301 and can dispel the heat to device body 1, avoids high temperature to lead to device body 1 to take place the phenomenon of short circuit and conflagration, has increased practicality and security, has made things convenient for user's use.
As a technical optimization scheme of the utility model, the heat dissipation mechanism 3 comprises two heat dissipation fans 301, a protection plate 302 and pull grooves 303, the number of the heat dissipation fans 301 is two, the surface of each heat dissipation fan 301 is fixedly connected with the inner wall of the device body 1, the bottom of the protection plate 302 is movably connected with the top of the device body 1, the pull grooves 303 are arranged at the top of the protection plate 302, two sides of the protection plate 302 are fixedly connected with the shell 5, and the bottom of the protection plate 302 is in contact with the top of the heat dissipation fans 301.
In this embodiment: through setting up heat dissipation mechanism 3, when can making the user need dispel the heat to device body 1, the user stimulates guard plate 302 through kerve 303, exposes cooling fan 301, and at this moment, the user opens cooling fan 301 and can dispel the heat to device body 1, avoids high temperature to lead to device body 1 to take place the phenomenon of short circuit and conflagration, has increased practicality and security, has made things convenient for user's use, has reached and has carried out radiating purpose to device body 1.
As a technical optimization scheme of the utility model, the inner wall of the shell 5 is fixedly connected with a spring 7, the bottom of the spring 7 is fixedly connected with a movable plate 8, the bottom of the movable plate 8 is fixedly connected with a limiting rod 9, and the bottom of the limiting rod 9 penetrates to the bottom of the shell 5.
In this embodiment: through the cooperation that sets up spring 7, fly leaf 8 and gag lever post 9 and use, can make after gag lever post 9 gets into the inner chamber of spacing hole 12 completely to spacing to guard plate 302, make guard plate 302 can not take place the phenomenon of back-and-forth movement, increased stability, reached and carried out the purpose of fixing a position to guard plate 302.
As a technical optimization scheme of the utility model, the right side of the bottom of the protection plate 302 is fixedly connected with a dovetail block 10, and the top of the device body 1 is provided with a dovetail groove 11 matched with the dovetail block 10 for use.
In this embodiment: through the cooperation that sets up dovetail block 10 and dovetail 11 and use, can make guard plate 302 easy convenient more when removing, still can make guard plate 302 can not take place the phenomenon of incline when removing simultaneously, avoid guard plate 302 to take place the phenomenon that drops, increased the convenience, reached the purpose of conveniently removing guard plate 302.
As a technical optimization scheme of the utility model, the front side of the fixed rod 201 is provided with a movable hole 4 matched with the handle 204, the surface of the fixed rod 201 is provided with a plurality of movable grooves 13 matched with the movable hole 4, and the inner wall of each movable groove 13 is provided with a concave groove 14.
In this embodiment: through setting up activity hole 4, can make handle 204 reduce when the removal and dead lever 201 between friction and the collision, cooperation through setting up activity groove 13 and depressed groove 14 is used, can make handle 204 pass through bearing 202 and rotate the inner chamber that drives activity groove 13 after, can make handle 204 get into the inner chamber of depressed groove 14 through the reason of gravity, thereby it is spacing to carry out handle 204, make handle 204 can not take place pivoted phenomenon, stability has been increased, the purpose of conveniently moving handle 204 and carrying out the location to handle 204 has been reached.
As a technical optimization scheme of the utility model, the top of the device body 1 is provided with two limiting holes 12, the inner walls of the limiting holes 12 are movably connected with the surface of the limiting rod 9, and the number of the limiting holes 12 is two.
In this embodiment: through setting up spacing hole 12, can make behind the gag lever post 9 gets into the inner chamber of spacing hole 12 completely to spacing to casing 5, and then spacing to guard plate 302, make its phenomenon that can not take place the back-and-forth movement, reached the purpose of fixing a position casing 5.
As the technical optimization scheme of the utility model, the bottom of the shell 5 is provided with a through hole 6, and the surface of the limiting rod 9 is contacted with the inner wall of the through hole 6.
In this embodiment: through setting up through-hole 6, can make gag lever post 9 reduce when removing with casing 5 between friction and the collision, still can avoid gag lever post 9 to take place the dead phenomenon of card when removing simultaneously, increased stability, reached the purpose that conveniently removes gag lever post 9.
The working principle is as follows: when the device is used, when a user needs to adjust the height of the device body 1, the user pulls the handle 204 to drive the bearing 202 to move, so that the handle 204 moves in the inner cavity of the movable hole 4, the movement of the bearing 202 drives the movable rod 203 to move, the movement of the movable rod 203 drives the bottom plate 205 to move, and the movable rod 203 moves out of a required distance, at the moment, the user rotates the handle 204 through the bearing 202, so that the handle 204 enters the inner cavity of the movable groove 13, after the handle 204 enters the inner cavity of the movable groove 13, the user can make the bottom of the bottom plate 205 contact with the ground, so that the handle 204 can enter the inner cavity of the concave groove 14, thereby adjusting the height of the device body 1, the user can more conveniently detect circuit points with different heights, when the user needs to radiate heat to the device body 1, the user pulls the protection plate 302 through the pull groove 303, protection plate 302 drives casing 5 simultaneously and removes, extrude gag lever post 9, the removal of gag lever post 9 drives 8 extrusion springs 7 of fly leaf, expose radiator fan 301, after protection plate 302 removed specific position, make gag lever post 9 get into the inner chamber of spacing hole 12 through spring 7's reaction force, thereby it is spacing to carry out protection plate 302, at this moment, the user opens radiator fan 301 and can dispel the heat to device body 1, avoid high temperature to lead to device body 1 to take place the phenomenon of short circuit and conflagration, practicality and security have been increased, user's use has been made things convenient for.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a single-phase earth fault route selection device of small current system of asymmetric method, includes device body (1), its characterized in that: the top of the device body (1) is fixedly connected with a heat dissipation mechanism (3), two sides of the device body (1) are both fixedly connected with an adjusting mechanism (2), and two sides of the heat dissipation mechanism (3) are both fixedly connected with a shell (5);
adjustment mechanism (2) include dead lever (201), bearing (202), movable rod (203), handle (204) and bottom plate (205), two dead lever (201) relative one sides all with device body (1) fixed connection, bearing (202) movable mounting is in the inner wall of dead lever (201), the bottom of bearing (202) and the top fixed connection of movable rod (203), two opposite one sides of bearing (202) all with handle (204) fixed connection, two opposite one sides of handle (204) all are used to the outside of going out to dead lever (201), the bottom of movable rod (203) run through to the bottom of dead lever (201) and with the top fixed connection of bottom plate (205).
2. The single-phase earth fault line selection device of the asymmetric small current system according to claim 1, characterized in that: radiating mechanism (3) are including cooling fan (301), guard plate (302) and kerve (303), the quantity of cooling fan (301) is two, the surface of cooling fan (301) and the inner wall fixed connection of device body (1), the bottom of guard plate (302) and the top swing joint of device body (1), the top of guard plate (302) is seted up in kerve (303), the both sides of guard plate (302) all with casing (5) fixed connection, the bottom of guard plate (302) and the top contact of cooling fan (301).
3. The single-phase earth fault line selection device of the asymmetric small current system according to claim 1, characterized in that: the inner wall fixedly connected with spring (7) of casing (5), the bottom fixedly connected with fly leaf (8) of spring (7), the bottom fixedly connected with gag lever post (9) of fly leaf (8), the bottom of gag lever post (9) runs through to the bottom of casing (5).
4. The single-phase earth fault line selection device of the asymmetric small current system according to claim 2, characterized in that: the right side fixedly connected with dovetail block (10) of guard plate (302) bottom, dovetail (11) that use with dovetail block (10) cooperation are seted up at the top of device body (1).
5. The single-phase earth fault line selection device of the asymmetric small current system according to claim 1, characterized in that: the front side of dead lever (201) is opened and is equipped with activity hole (4) that use with handle (204) cooperation, activity groove (13) that use with activity hole (4) cooperation are seted up on the surface of dead lever (201), the quantity in activity groove (13) is a plurality of, depressed groove (14) have been seted up to the inner wall in activity groove (13).
6. The single-phase earth fault line selection device of the asymmetric small current system according to claim 3, wherein: the device is characterized in that the top of the device body (1) is provided with two limiting holes (12), the inner walls of the limiting holes (12) are movably connected with the surface of the limiting rod (9), and the number of the limiting holes (12) is two.
7. The single-phase earth fault line selection device of the asymmetric small current system according to claim 3, wherein: the bottom of the shell (5) is provided with a through hole (6), and the surface of the limiting rod (9) is in contact with the inner wall of the through hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903505.0U CN215986426U (en) | 2021-08-13 | 2021-08-13 | Single-phase earth fault line selection device of asymmetric small current system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903505.0U CN215986426U (en) | 2021-08-13 | 2021-08-13 | Single-phase earth fault line selection device of asymmetric small current system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986426U true CN215986426U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121903505.0U Expired - Fee Related CN215986426U (en) | 2021-08-13 | 2021-08-13 | Single-phase earth fault line selection device of asymmetric small current system |
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| Country | Link |
|---|---|
| CN (1) | CN215986426U (en) |
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2021
- 2021-08-13 CN CN202121903505.0U patent/CN215986426U/en not_active Expired - Fee Related
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