CN211063143U - Zero connection protection device for low-voltage power system - Google Patents
Zero connection protection device for low-voltage power system Download PDFInfo
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- CN211063143U CN211063143U CN201922396277.1U CN201922396277U CN211063143U CN 211063143 U CN211063143 U CN 211063143U CN 201922396277 U CN201922396277 U CN 201922396277U CN 211063143 U CN211063143 U CN 211063143U
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Abstract
The utility model discloses a zero connection protection device for a low-voltage power system, which comprises an installation base, a box body, a box door, a handle, a dismounting heat-radiating component, a zero connection electrical element body, a buffer component, a top plate and universal wheels, wherein the box body is fixedly installed at the top end of the installation base; the utility model discloses a, convenient to use can effectually dispel the heat to the electrical equipment of incasement, can be convenient dismantle and install the incasement interlayer, and can adjust the incasement interlayer space size according to electrical equipment's high needs, makes things convenient for electrical equipment's fixed mounting, can carry out the shock attenuation of buffering to this device when removing to whole device, and the operation that connects zero protection device in the assurance box is stable.
Description
Technical Field
The utility model relates to a low pressure electric power system equipment field specifically is a low pressure electric power system is with connecing zero protection device.
Background
The ground voltage is low when the voltage to ground is 1000V or less. The 380V/220V neutral point grounding systems of the 220V three-phase four-wire system in the alternating current system are all low voltage, and the metal shell of the electrical equipment is connected with the zero line of the power grid, so that the electrical safety measure for protecting the personal safety is realized. In the zero-connection power grid with the voltage lower than 1000V, if electrical equipment causes the metal shell to be electrified due to insulation damage or accidents, a single-phase short circuit of a phase line to a neutral line is formed, and a protection device (an automatic switch or a fuse) on the line rapidly acts to cut off a power supply when zero-connection is protected, so that the metal part of the equipment cannot have dangerous voltage for a long time, and the personal safety is ensured. The existing zero connection protection device for the low-voltage power system is inconvenient to use, cannot adjust the space in a box according to the size of an electric element, cannot be fully utilized, and cannot well buffer and dissipate heat of the whole device in the using process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low pressure electric power system is with connecing zero protection device to solve the problem that proposes among the above-mentioned background art.
The purpose of the utility model can be realized by the following technical scheme:
a zero connection protection device for a low-voltage power system comprises an installation base, a box body, a box door, a handle, a dismounting heat dissipation assembly, a zero connection electric element body, a buffer assembly, a top plate and universal wheels, wherein the box body is fixedly installed at the top end of the installation base, the box door is movably connected to one side of the box body through a hinge, the handle is arranged on one side of the box door, the top plate is fixedly installed at the top end of the box body, the universal wheels are fixedly installed at four corners of the installation base, and the dismounting heat dissipation assembly is arranged in the box body;
the detachable radiating assembly comprises a concave sliding rail, a first sliding plate, a supporting plate, sliding grooves, sliding blocks, a partition plate, a ventilating pipe and a radiating fan, wherein the concave sliding rail is symmetrically and fixedly arranged on the inner wall of the top end and the inner wall of the bottom end of the box body;
the buffer assembly comprises a connecting box, first springs, telescopic rods, a connecting plate, connecting rods, second sliding plates, sliding rods and second springs, wherein the connecting box is fixedly installed on one side of the inner wall of the bottom end of the mounting base, one ends of the two first springs are fixedly installed on one side of the top end of the connecting box, the other ends of the two first springs are fixedly installed on one side of the outer wall of the bottom end of the box body, one end of the telescopic rod is fixedly installed on one side of the bottom end of the box body, the other end of the telescopic rod penetrates through the outer wall of the top end of the connecting box and is fixedly installed on the top end of the connecting plate, the connecting plate is connected in the connecting box in a sliding mode, one end of the two connecting rods is connected on one side of the two second sliding plates through hinge movable chains, the second sliding plates are connected on the, and the two sides of the sliding rod are symmetrically sleeved with second springs.
As a further aspect of the present invention: and one side of the top end of the mounting base is provided with a mounting groove.
As a further aspect of the present invention: and a brake pad is arranged on one side of the universal wheel.
As a further aspect of the present invention: the number of concave slide rails is four, and the fixed mounting is a set of at box top inner wall and bottom inner wall department, totally two sets of.
As a further aspect of the present invention: the quantity of backup pad is two, and the backup pad bottom is in box bottom fixed connection's spill slide rail through first slide sliding connection.
As a further aspect of the present invention: the number of the connecting rods is four, and two connecting rods are movably connected to one side of the connecting plate in a group.
The utility model has the advantages that: the utility model discloses a, convenient to use can effectually dispel the heat to the electrical equipment of incasement, through dismouting radiator unit's setting, can be convenient dismantle and install the incasement interlayer, and can adjust incasement interlayer space size according to electrical equipment's high needs, make things convenient for electrical equipment's fixed mounting, through the setting of buffering subassembly, when can removing whole device, effectually cushion the shock attenuation to this device, guarantee the stable operation of meeting zero protection device in the box.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a front view partially cut away view of the present invention;
FIG. 3 is a top sectional view of the connection box of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 2;
in the figure: 1. installing a base; 2. a box body; 3. a box door; 4. a handle; 5. disassembling and assembling the heat dissipation assembly; 6. a zero-connection electric element body; 7. a buffer assembly; 8. a top plate; 9. a universal wheel; 51. a concave slide rail; 52. a first slide plate; 53. a support plate; 54. a chute; 55. a slider; 56. a partition plate; 57. a vent pipe; 58. a heat radiation fan; 71. a connection box; 72. a first spring; 73. a telescopic rod; 74. a connecting plate; 75. a connecting rod; 76. a second slide plate; 77. a slide bar; 78. a second spring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, a zero connection protection device for a low-voltage power system comprises an installation base 1, a box body 2, a box door 3, a handle 4, a dismounting heat dissipation assembly 5, a zero connection electrical component body 6, a buffer assembly 7, a top plate 8 and universal wheels 9, wherein the box body 2 is fixedly installed at the top end of the installation base 1, the box door 3 is movably connected to one side of the box body 2 through a hinge, the handle 4 is arranged at one side of the box door 3, the top plate 8 is fixedly installed at the top end of the box body 2, the universal wheels 9 are fixedly installed at four corners of the installation base 1, and the dismounting heat dissipation assembly 5;
the detachable heat dissipation assembly 5 comprises a concave slide rail 51, a first slide plate 52, a support plate 53 and a slide groove 54, the electric component mounting device comprises a sliding block 55, a partition plate 56, a ventilation pipe 57 and a cooling fan 58, wherein concave sliding rails 51 are symmetrically and fixedly installed on the inner wall of the top end and the inner wall of the bottom end of the box body 2, a first sliding plate 52 is connected in the concave sliding rails 51 in a sliding mode, the bottom end of the first sliding plate 52 is fixedly connected with the top end of a supporting plate 53, a plurality of first sliding grooves 54 are fixedly installed on one side of the supporting plate 53, a first sliding block 55 is connected in the first sliding grooves 54 in a sliding mode, the top end of the first sliding block 55 is fixedly connected with one side of the bottom end of the partition plate 56, a zero-connection electric component body 6 is fixedly installed on one side of the top end of the partition plate 56, the ventilation pipe 57 penetrates through and;
the buffer component 7 comprises a connecting box 71, first springs 72, an expansion link 73, a connecting plate 74, connecting rods 75, a second sliding plate 76, sliding rods 77 and second springs 78, the connecting box 71 is fixedly installed on one side of the inner wall of the bottom end of the installation base 1, one end of each of the two first springs 72 is fixedly installed on one side of the top end of the connecting box 71, the other end of each of the two first springs 72 is fixedly installed on one side of the outer wall of the bottom end of the box body 2, one end of each of the expansion links 73 is fixedly installed on one side of the bottom end of the box body 2, the other end of each of the expansion links 73 penetrates through the outer wall of the top end of the connecting box 71 and is fixedly installed on the top end of the connecting plate 74, the connecting plate 74 is slidably connected in the connecting box 71, one end of each of the two connecting rods 75 is, two sliding rods 77 are horizontally and fixedly arranged on one side of the inner wall of the connecting box 71, and second springs 78 are symmetrically sleeved on two sides of each sliding rod 77;
wherein, one side of the top end of the mounting base 1 is provided with a mounting groove;
wherein, one side of the universal wheel 9 is provided with a brake pad;
the number of the concave sliding rails 51 is four, and the concave sliding rails are fixedly arranged on the inner walls of the top end and the bottom end of the box body 2 to form a group, and the number of the concave sliding rails is two;
the number of the supporting plates 53 is two, and the bottom ends of the supporting plates 53 are slidably connected in concave sliding rails 51 fixedly connected with the bottom end of the box body 2 through first sliding plates 52;
the number of the connecting rods 75 is four, and two connecting rods are movably linked to one side of the connecting plate 74 in a group.
The utility model discloses a theory of operation: when the zero-connection protection device for the low-voltage power system is used, the box door 3 can be opened through the handle 4, the concave sliding rails 51 and the supporting plates 53 are in sliding connection through the first sliding plates 52 and can be conveniently assembled, the sliding grooves 54 and the partition plates 56 are in sliding connection through the sliding blocks 55 and can also be conveniently disassembled and assembled, time-consuming and labor-consuming assembly can be avoided through the design, great convenience is brought to an installer, meanwhile, the sliding grooves 54 are provided with a plurality of the sliding grooves, the distance between the different partition plates 56 can be adjusted to realize the arrangement of different partition layers, the partition layers with different sizes can be arranged according to the size requirement of electrical equipment, hot air in the box body 2 can be discharged out of the box body 2 through the ventilation pipe 57 through the work of the cooling fan 58, the whole device can be moved through the universal wheel 9, the brake pad is arranged on one side of the universal wheel 9 and, the first spring 72 is compressed through the bottom end of the box body 2, meanwhile, the telescopic rod 73 is driven to move downwards, the connecting plate 74 is driven to move downwards in the connecting box 71 through the telescopic rod 73, and the connecting rod 75 drives the second sliding plate 76 to compress the second spring 78 on the sliding rod 77 under the action of the movable hinge, so that the effect of buffering and shock absorption is achieved.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The zero connection protection device for the low-voltage power system is characterized by comprising an installation base (1), a box body (2), a box door (3), a handle (4), a dismounting heat dissipation assembly (5), a zero connection electric element body (6), a buffer assembly (7), a top plate (8) and universal wheels (9), wherein the box body (2) is fixedly installed at the top end of the installation base (1), the box door (3) is movably connected to one side of the box body (2) through a hinge, the handle (4) is arranged at one side of the box door (3), the top plate (8) is fixedly installed at the top end of the box body (2), the universal wheels (9) are fixedly installed at four corners of the installation base (1), and the dismounting heat dissipation assembly (5) is arranged in the box body (2);
the disassembly and assembly heat dissipation assembly (5) comprises a concave sliding rail (51), a first sliding plate (52), a supporting plate (53), sliding grooves (54), sliding blocks (55), a partition plate (56), a ventilation pipe (57) and a heat dissipation fan (58), wherein the concave sliding rail (51) is symmetrically and fixedly installed on the inner wall of the top end and the inner wall of the bottom end of the box body (2), the first sliding plate (52) is connected in the concave sliding rail (51) in a sliding mode, the bottom end of the first sliding plate (52) is fixedly connected with the top end of the supporting plate (53), a plurality of first sliding grooves (54) are fixedly installed on one side of the supporting plate (53), a first sliding block (55) is connected in the first sliding groove (54) in a sliding mode, the top end of the first sliding block (55) is fixedly connected with one side of the bottom end of the partition plate (56), a zero electrical component body (6) is fixedly installed on one side of the top end of the, a heat radiation fan (58) is fixedly installed on the inner wall of one side of the ventilation pipe (57) through an installation frame, and a buffer assembly (7) is arranged inside the top end of the installation base (1);
the buffer assembly (7) comprises a connecting box (71), first springs (72), a telescopic rod (73), a connecting plate (74), connecting rods (75), a second sliding plate (76), a sliding rod (77) and a second spring (78), wherein the connecting box (71) is fixedly installed on one side of the inner wall at the bottom end of the mounting base (1), one ends of the two first springs (72) are fixedly installed on one side of the top end of the connecting box (71), the other ends of the two first springs (72) are fixedly installed on one side of the outer wall at the bottom end of the box body (2), one end of the telescopic rod (73) is fixedly installed on one side of the bottom end of the box body (2), the other end of the telescopic rod (73) penetrates through the outer wall at the top end of the connecting box (71) and is fixedly installed on the top end of the connecting plate (74), the connecting plate (74) is slidably connected in the connecting box (71), and one side, the other end of connecting rod (75) is respectively through hinge active link in one side of two second slide (76), second slide (76) sliding connection is on two slide bars (77), and the equal level fixed mounting of two slide bars (77) is in connecting box (71) inner wall one side, slide bar (77) both sides all symmetry have cup jointed second spring (78).
2. The zero-connection protection device for the low-voltage power system as claimed in claim 1, wherein a mounting groove is formed on one side of the top end of the mounting base (1).
3. Zero-connection protection device for low-voltage power system according to claim 1, characterized in that the universal wheel (9) is provided with a brake pad on one side.
4. The zero-crossing protection device for the low-voltage power system as claimed in claim 1, wherein the number of the concave sliding rails (51) is four, and the concave sliding rails are fixedly installed at the inner walls of the top end and the bottom end of the box body (2) in one group, and the number of the concave sliding rails is two.
5. The zero-crossing protection device for the low-voltage power system as claimed in claim 1, wherein the number of the support plates (53) is two, and the bottom ends of the support plates (53) are slidably connected in concave sliding rails (51) fixedly connected with the bottom end of the box body (2) through first sliding plates (52).
6. The zero-crossing protection device for low-voltage electric power system according to claim 1, wherein the number of the connecting rods (75) is four, and two connecting rods are movably linked in a group at one side of the connecting plate (74).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922396277.1U CN211063143U (en) | 2019-12-27 | 2019-12-27 | Zero connection protection device for low-voltage power system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922396277.1U CN211063143U (en) | 2019-12-27 | 2019-12-27 | Zero connection protection device for low-voltage power system |
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CN211063143U true CN211063143U (en) | 2020-07-21 |
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CN201922396277.1U Expired - Fee Related CN211063143U (en) | 2019-12-27 | 2019-12-27 | Zero connection protection device for low-voltage power system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112739134A (en) * | 2020-12-11 | 2021-04-30 | 严冰 | Protection device for electric automation controller |
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2019
- 2019-12-27 CN CN201922396277.1U patent/CN211063143U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112739134A (en) * | 2020-12-11 | 2021-04-30 | 严冰 | Protection device for electric automation controller |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201227 |
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CF01 | Termination of patent right due to non-payment of annual fee |