CN105071253A - Low-voltage power distribution cabinet for power system - Google Patents
Low-voltage power distribution cabinet for power system Download PDFInfo
- Publication number
- CN105071253A CN105071253A CN201510480035.4A CN201510480035A CN105071253A CN 105071253 A CN105071253 A CN 105071253A CN 201510480035 A CN201510480035 A CN 201510480035A CN 105071253 A CN105071253 A CN 105071253A
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- low
- distribution cabinet
- voltage distribution
- power system
- cabinet
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- 238000001816 cooling Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 11
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 239000012809 cooling fluid Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 abstract 3
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000019771 cognition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a low-voltage power distribution cabinet for a power system. The low-voltage power distribution cabinet comprises a cabinet body, wherein the cabinet body comprises a top cover, a side wall, a cabinet door and a base, the low-voltage power distribution cabinet is characterized in that the side wall and the base both comprise an outer plate and an inner plate, an insulation plate is arranged outside the inner plate, a cooling sandwiched layer is arranged between the insulation plate and the outer plate, a cooling liquid is arranged in the cooling sandwiched layer, the top cover and the outer plate are connected via a screw rod, the upper part of the screw rod is provided with an optical rod, the lower part of the screw rod is provided with a thread and is in threaded connection with the outer plate, a spring sleeves the optical rod, the top cover can vertically move along the optical rod, a water storage groove is arranged on the top cover, a water baffle plate is arranged at the edge of a low end of the water storage groove, the water storage groove is connected with a water guide pipe, a temperature sensor and semiconductor refrigeration chips are further arranged in the cooling sandwiched layer, the temperature sensor is connected with a micro controller, and the micro controller is connected to power supply ends of the semiconductor chips.
Description
Technical field
The invention belongs to electrical equipment technical field, relate to a kind of power system equipment, the low-voltage distribution cabinet in especially a kind of electric power system; This low-voltage distribution cabinet can not only effectively avoid rainwater to enter in cabinet, but also can effectively carry out dispelling the heat and pressure release, to guarantee the safe handling of low-voltage distribution cabinet.
Background technology
Low-voltage distribution cabinet, as the distribution equipment in electric power system, is very important in whole electrical network course of conveying.
Low-voltage distribution cabinet is arranged on open air usually, and its construction packages is poor, cannot be used for outdoor installing and using, limit the scope of application of low-voltage distribution apparatus.When running into rainy weather, because construction packages is poor, rainwater can enter the inside of power distribution cabinet, is drenched by the element in power distribution cabinet, thus causes power distribution cabinet normally to run, and also can bring serious potential safety hazard simultaneously.
Usually the anti-sealing of hermetic power distribution cabinet is adopted to enter the object of power distribution cabinet in prior art.Hermetic power distribution cabinet generally adopts sealing cabinet, after carrying out electrical equipment assembling, cabinet door is carried out sealing and fixes.And components and parts in power distribution cabinet operationally, can produce a large amount of heat, cannot realize efficiently radiates heat.
In addition, during the arcing fault that is short-circuited in low-voltage distribution cabinet, high temperature, high pressure can be produced instantaneously in power distribution cabinet; If when power distribution cabinet degree of protection is higher, then this pressure cannot be discharged into outside cabinet smoothly, and may cause distribution cabinet permanent deformation, even cabinet door is blown up, without special pressure relief device in general low-voltage distribution cabinet, be thus in operation and can there is larger potential safety hazard.This is the deficiencies in the prior art part.
Therefore, the low-voltage distribution cabinet in a kind of novel electric power system of design is provided, to solve defect of the prior art, is necessary.
Summary of the invention
The object of the invention is to, for the defect that above-mentioned prior art exists, provide the low-voltage distribution cabinet in a kind of electric power system of design, to solve the problems of the technologies described above.
For achieving the above object, the present invention provides following technical scheme:
Low-voltage distribution cabinet in a kind of electric power system, comprise cabinet, described cabinet comprises top cover, sidewall, cabinet door and base, it is characterized in that: described sidewall and base include outside plate and inner panel, described inner panel is outside equipped with insulation board, cooling sandwith layer is provided with between described insulation board and outside plate, cooling fluid is provided with in described cooling sandwith layer, described top cover is connected by screw rod with outside plate, the top of described screw rod is polished rod, bottom is provided with screw thread, the bottom of described screw rod is threaded with outside plate, described polished rod is arranged with spring, described top cover can move up and down along polished rod, described top cover is provided with aqua storage tank, described aqua storage tank lower edge is provided with water fender, described aqua storage tank is connected with aqueduct, also be provided with temperature sensor and semiconductor refrigeration chip in described cooling sandwith layer, described temperature sensor is connected with microcontroller, and described microcontroller is connected to the feeder ear of semiconductor refrigeration chip.
Preferably, described cooling fluid is water or cold oil; Cooling fluid adopts water, can recycle, be especially applied in the low-voltage distribution cabinet of the public place such as factory, hospital after the temperature rising of water; Why cooling fluid adopts cold oil to be because cold oil has good insulation property.
Preferably, the top of described outside plate is provided with groove, is provided with sealing ring in described groove; Adopt this programme, the sealing of outside plate and top cover can be ensured.
Preferably, it is hinged that described cabinet door and inner panel pass through hinge, the arranged outside jug of described cabinet door.
Preferably, the thickness of described cooling sandwith layer is 3 ~ 5cm.Cause the size of low-voltage distribution cabinet and weight comparatively large if the thickness of cooling sandwith layer crosses conference, if the thickness of cooling sandwith layer is too small, cooling fluid in cooling sandwith layer can be caused less, do not reach good cooling effect, and need often to change cooling fluid.
Preferably, the thickness of described cooling sandwith layer is 4cm.
Preferably, the outside plate of described base is connected with roller; By arranging roller, mobile low-voltage distribution cabinet can be facilitated.
Preferably, described roller is the universal wheel with auto-lock function; Adopt this programme, when mounted, convenient movement adjusts its position to low-voltage distribution cabinet, time saving and energy saving.
Beneficial effect of the present invention is, can be lowered the temperature on the one hand by the cooling fluid in cooling sandwith layer to low-voltage distribution cabinet, on the other hand, can reduce the noise produced when element runs in low-voltage distribution cabinet; When be short-circuited in low-voltage distribution cabinet arcing fault time, high temperature, high pressure can be produced instantaneously in power distribution cabinet, top cover jack-up is carried out pressure release by the high pressure gas cognition in low-voltage distribution cabinet, after pressure release terminates, top cover resets under the effect of the elastic force of self gravitation and spring, because polished rod plays good guide effect to top cover, the accuracy that top cover resets can be ensured;
Can collect by arranging aqua storage tank the rainwater flowed down along top cover, and by aqueduct, the rainwater in aqua storage tank be drawn; By arranging water fender in aqua storage tank lower edge, excessive rainfall in aqua storage tank can be avoided and pour in cabinet;
By set temperature transducer in cooling sandwith layer, can detect the temperature of the cooling fluid in cooling sandwith layer, and be passed to microcontroller in real time, when temperature sensor detects that the temperature of current cooling fluid is higher than predetermined value, then microprocessor controls semiconductor refrigeration chip energising, to realize the cooling to cooling fluid; In addition, design principle of the present invention is reliable, and structure is simple, has application prospect widely.
As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and progress significantly, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the low-voltage distribution cabinet in a kind of electric power system provided by the invention.
Fig. 2 is the partial enlarged drawing of part A in Fig. 1.
Fig. 3 is the control principle drawing of the low-voltage distribution cabinet in a kind of electric power system provided by the invention.
Wherein, 1-top cover, 1.1-aqua storage tank, 2-outside plate, 3-inner panel, 4-insulation board, 5-cooling sandwith layer, 6-cabinet door, 7-handle, 8-hinge, 9-water fender, 10-semiconductor refrigeration chip, 11-microcontroller, 12-sealing ring, 13-screw rod, 14-spring, 15-aqueduct, 17-roller, 16-temperature sensor.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the present invention will be described in detail, and following examples are explanation of the invention, and the present invention is not limited to following execution mode.
As shown in Figures 1 to 3, low-voltage distribution cabinet in a kind of electric power system provided by the invention, comprise cabinet, described cabinet comprises top cover 1, sidewall, cabinet door 6 and base, described sidewall and base include outside plate 2 and inner panel 3, described inner panel 3 is outside equipped with insulation board 4, cooling sandwith layer 5 is provided with between described insulation board 4 and outside plate 2, cooling fluid is provided with in described cooling sandwith layer 5, described top cover 1 is connected by screw rod 13 with outside plate 2, the top of described screw rod 13 is polished rod, bottom is provided with screw thread, the bottom of described screw rod 13 is threaded with outside plate 2, described polished rod is arranged with spring 14, described top cover 1 can move up and down along polished rod, described top cover 1 is provided with aqua storage tank 1.1, described aqua storage tank 1.1 lower edge is provided with water fender 9, described aqua storage tank 1.1 is connected with aqueduct 15, also be provided with temperature sensor 16 and semiconductor refrigeration chip 10 in described cooling sandwith layer 5, described temperature sensor 16 is connected with microcontroller 11, and described microcontroller 11 is connected to the feeder ear of semiconductor refrigeration chip 10.
Can be lowered the temperature to low-voltage distribution cabinet on the one hand by the cooling fluid in cooling sandwith layer 5, on the other hand, the noise produced when element runs in low-voltage distribution cabinet can be reduced; When be short-circuited in low-voltage distribution cabinet arcing fault time, high temperature, high pressure can be produced instantaneously in power distribution cabinet, top cover jack-up is carried out pressure release by the high pressure gas cognition in low-voltage distribution cabinet, after pressure release terminates, top cover resets under the effect of the elastic force of self gravitation and spring, because polished rod plays good guide effect to top cover, the accuracy that top cover resets can be ensured;
Can collect by arranging aqua storage tank 1.1 rainwater flowed down along top cover, and by aqueduct 15, the rainwater in aqua storage tank 1.1 be drawn; By arranging water fender 9 in aqua storage tank 1.1 lower edge, excessive rainfall in aqua storage tank 1.1 can be avoided and pour in cabinet;
By set temperature transducer 16 in cooling sandwith layer 5, can detect the temperature of the cooling fluid in cooling sandwith layer 5, and be passed to microcontroller 11 in real time, when temperature sensor 16 detects that the temperature of current cooling fluid is higher than predetermined value, then microcontroller 11 controls semiconductor refrigeration chip 10 and is energized, to realize the cooling to cooling fluid.
In the present embodiment, described cooling fluid is water or cold oil; Cooling fluid adopts water, can recycle, be especially applied in the low-voltage distribution cabinet of the public place such as factory, hospital after the temperature rising of water; Why cooling fluid adopts cold oil to be because cold oil has good insulation property.
In the present embodiment, the top of described outside plate 2 is provided with groove, is provided with sealing ring 12 in described groove; Adopt this programme, the sealing of outside plate and top cover can be ensured.
In the present embodiment, described cabinet door 6 is hinged by hinge 8 with inner panel 3, the arranged outside jug 7 of described cabinet door 6.
In the present embodiment, the thickness of described cooling sandwith layer 5 is 3 ~ 5cm.Cause the size of low-voltage distribution cabinet and weight comparatively large if the thickness of cooling sandwith layer crosses conference, if the thickness of cooling sandwith layer is too small, cooling fluid in cooling sandwith layer can be caused less, do not reach good cooling effect, and need often to change cooling fluid.
In specific implementation process, the thickness of cooling sandwith layer 5 can select 3cm, 4cm or 5cm.
In the present embodiment, the outside plate of described base is connected with roller 17; By arranging roller 17, mobile low-voltage distribution cabinet can be facilitated.
In the present embodiment, described roller 17 is for having the universal wheel of auto-lock function; Adopt this programme, when mounted, convenient movement adjusts its position to low-voltage distribution cabinet, time saving and energy saving.
The preferred embodiment of the present invention is only above; but the present invention is not limited thereto; any those skilled in the art can think there is no creationary change, and some improvements and modifications done without departing from the principles of the present invention, all should drop in protection scope of the present invention.
Claims (8)
1. the low-voltage distribution cabinet in an electric power system, comprise cabinet, described cabinet comprises top cover, sidewall, cabinet door and base, it is characterized in that: described sidewall and base include outside plate and inner panel, described inner panel is outside equipped with insulation board, cooling sandwith layer is provided with between described insulation board and outside plate, cooling fluid is provided with in described cooling sandwith layer, described top cover is connected by screw rod with outside plate, the top of described screw rod is polished rod, bottom is provided with screw thread, the bottom of described screw rod is threaded with outside plate, described polished rod is arranged with spring, described top cover can move up and down along polished rod, described top cover is provided with aqua storage tank, described aqua storage tank lower edge is provided with water fender, described aqua storage tank is connected with aqueduct, also be provided with temperature sensor and semiconductor refrigeration chip in described cooling sandwith layer, described temperature sensor is connected with microcontroller, and described microcontroller is connected to the feeder ear of semiconductor refrigeration chip.
2. the low-voltage distribution cabinet in a kind of electric power system according to claim 1, is characterized in that: described cooling fluid is water or cold oil.
3. the low-voltage distribution cabinet in a kind of electric power system according to claim 1 and 2, is characterized in that: the top of described outside plate is provided with groove, is provided with sealing ring in described groove.
4. the low-voltage distribution cabinet in a kind of electric power system according to claim 3, is characterized in that: it is hinged that described cabinet door and inner panel pass through hinge, the arranged outside jug of described cabinet door.
5. the low-voltage distribution cabinet in a kind of electric power system according to claim 4, is characterized in that: the thickness of described cooling sandwith layer is 3 ~ 5cm.
6. the low-voltage distribution cabinet in a kind of electric power system according to claim 5, is characterized in that: the thickness of described cooling sandwith layer is 4cm.
7. the low-voltage distribution cabinet in a kind of electric power system according to claim 6, is characterized in that: the outside plate of described base is connected with roller.
8. the low-voltage distribution cabinet in a kind of electric power system according to claim 7, is characterized in that: described roller is the universal wheel with auto-lock function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480035.4A CN105071253B (en) | 2015-08-07 | 2015-08-07 | A kind of low-voltage distribution cabinet in power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480035.4A CN105071253B (en) | 2015-08-07 | 2015-08-07 | A kind of low-voltage distribution cabinet in power system |
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| Publication Number | Publication Date |
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| CN105071253A true CN105071253A (en) | 2015-11-18 |
| CN105071253B CN105071253B (en) | 2017-08-29 |
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| CN201510480035.4A Active CN105071253B (en) | 2015-08-07 | 2015-08-07 | A kind of low-voltage distribution cabinet in power system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742997A (en) * | 2016-03-02 | 2016-07-06 | 国网山东省电力公司阳信县供电公司 | Low-voltage power distribution cabinet |
| CN106025870A (en) * | 2016-07-25 | 2016-10-12 | 国网山东省电力公司惠民县供电公司 | Outdoor detachable high-protection box-type transformer substation |
| CN106229843A (en) * | 2016-08-19 | 2016-12-14 | 国家电网公司 | A kind of power high voltage switch cubicle possessing refrigerating function |
| CN106355853A (en) * | 2016-08-26 | 2017-01-25 | 国网山东省电力公司阳信县供电公司 | Remote-transmission intelligent meter reading device |
| CN106364391A (en) * | 2016-08-26 | 2017-02-01 | 国网山东省电力公司阳信县供电公司 | Mobile power marketing operating system |
| CN106563222A (en) * | 2016-11-11 | 2017-04-19 | 吴坤苗 | Fireproof protection box for important documents for big data central apparatus room |
| CN106659095A (en) * | 2017-02-21 | 2017-05-10 | 常州大学怀德学院 | Cabinet, cooling system thereof, and preparation method of insulation rubber compounded outside cabinet |
| CN106711781A (en) * | 2017-01-19 | 2017-05-24 | 国网山东省电力公司滨州供电公司 | Power distribution cabinet for electric power marketing |
| CN106786070A (en) * | 2017-04-07 | 2017-05-31 | 国网黑龙江省电力有限公司牡丹江供电公司 | A protective box for electrical equipment |
| CN106786087A (en) * | 2016-12-05 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of buried substation |
| CN106972383A (en) * | 2017-05-16 | 2017-07-21 | 江苏恒炫电气有限公司 | A kind of intelligent Prefabricated Cubical Substation casing |
| CN109638687A (en) * | 2018-11-16 | 2019-04-16 | 湖北上科电气有限公司 | A kind of energy-saving power distribution cabinet |
| CN112261492A (en) * | 2020-09-09 | 2021-01-22 | 董海波 | AAU equipment that 5G communication base station used |
| CN120222195A (en) * | 2025-04-01 | 2025-06-27 | 宜昌市锦安璃商贸有限公司 | An assembled intelligent heat dissipation distribution cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105742997A (en) * | 2016-03-02 | 2016-07-06 | 国网山东省电力公司阳信县供电公司 | Low-voltage power distribution cabinet |
| CN106025870A (en) * | 2016-07-25 | 2016-10-12 | 国网山东省电力公司惠民县供电公司 | Outdoor detachable high-protection box-type transformer substation |
| CN106229843A (en) * | 2016-08-19 | 2016-12-14 | 国家电网公司 | A kind of power high voltage switch cubicle possessing refrigerating function |
| CN106355853A (en) * | 2016-08-26 | 2017-01-25 | 国网山东省电力公司阳信县供电公司 | Remote-transmission intelligent meter reading device |
| CN106364391A (en) * | 2016-08-26 | 2017-02-01 | 国网山东省电力公司阳信县供电公司 | Mobile power marketing operating system |
| CN106563222A (en) * | 2016-11-11 | 2017-04-19 | 吴坤苗 | Fireproof protection box for important documents for big data central apparatus room |
| CN106786087A (en) * | 2016-12-05 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of buried substation |
| CN106711781B (en) * | 2017-01-19 | 2018-11-13 | 国网山东省电力公司滨州供电公司 | A kind of power distribution cabinet for power marketing |
| CN106711781A (en) * | 2017-01-19 | 2017-05-24 | 国网山东省电力公司滨州供电公司 | Power distribution cabinet for electric power marketing |
| CN106659095A (en) * | 2017-02-21 | 2017-05-10 | 常州大学怀德学院 | Cabinet, cooling system thereof, and preparation method of insulation rubber compounded outside cabinet |
| CN106786070A (en) * | 2017-04-07 | 2017-05-31 | 国网黑龙江省电力有限公司牡丹江供电公司 | A protective box for electrical equipment |
| CN106972383A (en) * | 2017-05-16 | 2017-07-21 | 江苏恒炫电气有限公司 | A kind of intelligent Prefabricated Cubical Substation casing |
| CN106972383B (en) * | 2017-05-16 | 2019-02-26 | 南通苏源恒炫电气有限公司 | An intelligent box-type substation box |
| CN109638687A (en) * | 2018-11-16 | 2019-04-16 | 湖北上科电气有限公司 | A kind of energy-saving power distribution cabinet |
| CN109638687B (en) * | 2018-11-16 | 2020-11-06 | 湖北上科电气有限公司 | Energy-saving power distribution cabinet |
| CN112261492A (en) * | 2020-09-09 | 2021-01-22 | 董海波 | AAU equipment that 5G communication base station used |
| CN120222195A (en) * | 2025-04-01 | 2025-06-27 | 宜昌市锦安璃商贸有限公司 | An assembled intelligent heat dissipation distribution cabinet |
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