CN103682995A - Cable distribution box with electric leakage detection function - Google Patents
Cable distribution box with electric leakage detection function Download PDFInfo
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- CN103682995A CN103682995A CN201310650135.8A CN201310650135A CN103682995A CN 103682995 A CN103682995 A CN 103682995A CN 201310650135 A CN201310650135 A CN 201310650135A CN 103682995 A CN103682995 A CN 103682995A
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- electric leakage
- case lid
- distribution box
- alarm
- chip microcomputer
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 239000002274 desiccant Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention discloses a cable distribution box with the electric leakage detection function. The cable distribution box with the electric leakage detection function comprises a box body of a cuboid shape, a rain shielding box cover and an electric leakage detection device arranged in the box body. The electric leakage detection device comprises a leakage current detection sensor, an alarm and an 89C51 single-chip microcomputer. The leakage current detection sensor and the alarm are arranged on a panel of a cabinet body and are both electrically connected to the 89C51 single-chip microcomputer. The rain shielding box cover is of an isosceles triangle shape. Ground corner steel channels are arranged at the bottom of the box body. The rain shielding box cover is hollow. A drying agent bag is placed in the rain shielding box cover. A baffle is arranged between the rain shielding box cover and the box body. The baffle is attracted by a direct current electromagnet so that the rain shielding box cover can be separated from the box body through the baffle. The control end of the direct current electromagnet is connected to the 89C51 single-chip microcomputer. According to the cable distribution box with the electric leakage detection function, since the leakage current detection sensor is arranged, electric leakage of equipment can be detected in real time, and an alarm can be given in time in case of electric leakage.
Description
Technical field
The present invention relates to electrical equipment technical field, be specifically related to a kind of cable distribution box with earth leakage detection functions.
Background technology
Cable distribution box (Cable Distribution Box) is that a kind of being used for implemented tap, branch, continued and the equipment of change-over circuit cable line, most for outdoor.This equipment is not long service time in China, and insider and electric power system are used department to its understanding and understood still inconsistently, particularly to drawing from the external European and American device etc. of patching, have different views.Below the correlation technique key element of cable distribution box is briefly described and is discussed, for the reference of electric power design and running department.
The type of cable distribution box
Cable distribution box is divided into two large classes by its electric formation: a class is not contain any switchgear, only has pair cable socket to process and the annex being connected in casing, relatively simple for structure, small volume, and function is more single, can be described as common distribution box; Another kind of is in case, not only to have the annex of common distribution box, also contains one or more switchgear, and its structure is comparatively complicated, and volume is larger, and interface unit is many, and manufacturing technology difficulty is large, and cost is high, can be described as senior distribution box.
1, common distribution box
In common distribution box, there is no switchgear, inlet wire and outlet link together on electric, and current potential is identical, are suitable for tap or branch connection.Ordinary practice is returned inlet wire to number and is added that outlet returns number and be called minute numbers.Three branch cable distribution boxes for example, it each goes up three equipotential connection contacts mutually, can enter one as one-in-and-two-out or two and go out.Cable distribution box includes U, V, and W three-phase, three-phase circuit structure is identical, and in-line arrangement is together.
2, senior distribution box
Senior distribution box contains switchgear, both can play tap, branch's effect of common distribution box, can play again control, the conversion of power supply circuits and change operational mode.Switch fracture is roughly divided into cable loop inlet wire side and outgoing line side, and both sides current potential can be different.Therefore switchgear itself has larger volume, and the overall dimension of senior distribution box is larger, is highly generally 1.4～1.8 m, and the degree of depth is about 0.9～1.0 m, and length is determined according to contained switchgear number, how between 1.0 m to 2.4 m.The profile of casing is similar to outdoor box transformer, has the door of several activities on case shell, and some doors are to establish for the operation of switchgear, and some doors are to establish for installation or the Maintenance and Repair of cable connector part.
Summary of the invention
For above-mentioned prior art, the object of the present invention is to provide a kind of cable distribution box with earth leakage detection functions, it is intended to solve the technical problem of cable distribution box detection of electrical leakage, insulation protection.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of cable distribution box with earth leakage detection functions, it is characterized in that, comprise and be casing, the screening rain case lid of cuboid and be arranged on the electricity leakage detecting device in casing, described electricity leakage detecting device comprises leakage current test transducer, alarm and 89C51 single-chip microcomputer, described leakage current test transducer and alarm are arranged on the panel of cabinet, and leakage current test transducer and alarm are all electrically connected to 89C51 single-chip microcomputer; Described screening rain case lid is isosceles triangle, bottom half arranges ditch channel-section steel, described screening rain case lid inner hollow, hide in rain case lid and be placed with drier bag, hide between rain case lid and casing and be provided with a plate washer, this plate washer cuts off and hides rain case lid and casing through a direct current electromagnetic actuation, and the control end of described DC electromagnet is connected to described 89C51 single-chip microcomputer.
Compared with prior art, the present invention has following beneficial effect:
One, the present invention is provided with leakage current test transducer, and whether checkout equipment leaks electricity in real time, if electric leakage can and alarm;
Two, hide rain case lid and be isosceles triangle, rainwater is more easily flowed and plow, reduced the time on distribution box; And bottom half is installed ditch channel-section steel, at the bottom of padded case apart from the distance on ground, moisture-sensitive not.
Accompanying drawing explanation
Fig. 1 is schematic appearance of the present invention;
Fig. 2 is schematic diagram of the present invention;
Reference numeral is: 1 is that screening rain case lid, 2 is that casing, 3 is that ditch channel-section steel, 4 is that electromagnet, 5 is that plate washer, 6 is drier bag.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
A kind of cable distribution box with earth leakage detection functions, it is characterized in that, comprise and be casing, the screening rain case lid of cuboid and be arranged on the electricity leakage detecting device in casing, described electricity leakage detecting device comprises leakage current test transducer, alarm and 89C51 single-chip microcomputer, described leakage current test transducer and alarm are arranged on the panel of cabinet, and leakage current test transducer and alarm are all electrically connected to 89C51 single-chip microcomputer; Described screening rain case lid is isosceles triangle, bottom half arranges ditch channel-section steel, described screening rain case lid inner hollow, hide in rain case lid and be placed with drier bag, hide between rain case lid and casing and be provided with a plate washer, this plate washer cuts off and hides rain case lid and casing through a direct current electromagnetic actuation, and the control end of described DC electromagnet is connected to described 89C51 single-chip microcomputer.The present invention is provided with leakage current test transducer, and whether checkout equipment leaks electricity in real time, if electric leakage can and alarm; Hide rain case lid and be isosceles triangle, rainwater is more easily flowed and plow, reduced the time on distribution box; And bottom half is installed ditch channel-section steel, at the bottom of padded case apart from the distance on ground, moisture-sensitive not.
Claims (1)
1. the cable distribution box with earth leakage detection functions, it is characterized in that, comprise and be casing, the screening rain case lid of cuboid and be arranged on the electricity leakage detecting device in casing, described electricity leakage detecting device comprises leakage current test transducer, alarm and 89C51 single-chip microcomputer, described leakage current test transducer and alarm are arranged on the panel of cabinet, and leakage current test transducer and alarm are all electrically connected to 89C51 single-chip microcomputer; Described screening rain case lid is isosceles triangle, bottom half arranges ditch channel-section steel, described screening rain case lid inner hollow, hide in rain case lid and be placed with drier bag, hide between rain case lid and casing and be provided with a plate washer, this plate washer cuts off and hides rain case lid and casing through a direct current electromagnetic actuation, and the control end of described DC electromagnet is connected to described 89C51 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310650135.8A CN103682995A (en) | 2013-12-06 | 2013-12-06 | Cable distribution box with electric leakage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310650135.8A CN103682995A (en) | 2013-12-06 | 2013-12-06 | Cable distribution box with electric leakage detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103682995A true CN103682995A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310650135.8A Pending CN103682995A (en) | 2013-12-06 | 2013-12-06 | Cable distribution box with electric leakage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682995A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866493A (en) * | 2016-05-27 | 2016-08-17 | 徐州呼机械制造有限公司 | Electric meter box with electric leakage detection function |
| CN111856327A (en) * | 2020-08-24 | 2020-10-30 | 海南电网有限责任公司琼中供电局 | A leakage alarm monitoring device |
| CN113421379A (en) * | 2021-06-16 | 2021-09-21 | 深圳市先行电气技术有限公司 | Multifunctional intelligent electric meter |
-
2013
- 2013-12-06 CN CN201310650135.8A patent/CN103682995A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866493A (en) * | 2016-05-27 | 2016-08-17 | 徐州呼机械制造有限公司 | Electric meter box with electric leakage detection function |
| CN111856327A (en) * | 2020-08-24 | 2020-10-30 | 海南电网有限责任公司琼中供电局 | A leakage alarm monitoring device |
| CN111856327B (en) * | 2020-08-24 | 2022-12-27 | 海南电网有限责任公司琼中供电局 | Electric leakage alarm monitoring device |
| CN113421379A (en) * | 2021-06-16 | 2021-09-21 | 深圳市先行电气技术有限公司 | Multifunctional intelligent electric meter |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |