CN204858283U - Low -voltage switchgear - Google Patents
Low -voltage switchgear Download PDFInfo
- Publication number
- CN204858283U CN204858283U CN201520261193.6U CN201520261193U CN204858283U CN 204858283 U CN204858283 U CN 204858283U CN 201520261193 U CN201520261193 U CN 201520261193U CN 204858283 U CN204858283 U CN 204858283U
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- Prior art keywords
- low
- tension switch
- cabinet
- busbar
- switch cabinet
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Abstract
The utility model relates to a low -voltage switchgear. Include that the cabinet body forms main bus -bar room, instrument room, circuit breaker room, cable chamber in internal once the partition through insulation board from the top down of cabinet, in indoor female the arranging that is provided with the generating line frame and matches with the generating line frame of main bus -bar, female the first half of arranging is equipped with bilateral symmetry's mounting groove, and female centre of arranging is run through and is equipped with bow -shaped groove, has the rectangular channel in the bow -shaped cambered surface in bow -shaped groove, and female lower part of arranging is run through has half circular through groove, the cabinet door sets up in cabinet body front end, be provided with on the cabinet door one through with a fixed sign that sets up the buckle swing joint that matches in buckle hole cashier's office in a shop. Compared with the prior art, the utility model has the advantages that: above -mentioned low -voltage switchgear overall structure is succinct, uses the buckle to replace traditional bolt nut, no longer need open the cabinet door and fix, installs convenient and fast more, reduces substantially work load, improves work efficiency.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly relates to a kind of low-tension switch cabinet.
Background technology
Low-tension switch cabinet mainly in power plant, oil, chemical industry, metallurgy, weaving, the industry such as skyscraper, as the use of transmission of electricity, distribution and electric energy conversion.Have disjunction, making capacity is high, dynamic thermal stability is good, and electric power scheme is flexible, combined and instant, and system availability is strong, degree of protection high.
Lower than the cabinet door of switch cubicle generally all needs, a large amount of on/off switch direction boards and transmission line circuit purposes direction board are installed, at present, each block direction board be all installed with bolt nut fixing, more than quantity, install and need coordinating before and after panel opening and could fixing, so very inconvenient, add a lot of workload.In addition, current busbar cross section many employings rectangle or circular cross-section, the thickness of busbar is comparatively large, in change power distribution cabinet, mostly be mode arranged in parallel.In real work, be subject to kelvin effect impact significantly, in busbar, electric current is larger, kelvin effect is further obvious, causes busbar net sectional area greatly to decline, when electric current is when more than 1500A, also there is proximity effect between each busbar, the effective cross-section that can busbar be made further to conduct electricity again reduces.In order to meet the ampacity of busbar, generally can only select more heavy in section busbar, but the kelvin effect brought thus is more serious, produces vicious circle at this point, cause enterprise to produce copper consumption and sharply increase, cost significantly rises.
Utility model content
The purpose of this utility model be to provide a kind of direction board easy for installation, increase area of dissipation, reduce the low-tension switch cabinet of the temperature of different busbar.
Above-mentioned object is realized by following technical scheme:
A kind of low-tension switch cabinet, wherein, comprises,
Cabinet, main bus bar room, control room, breaker chamber, cable vault is separated to form successively from top to bottom by insulation board in described cabinet, in the busbar that described main bus bar indoor are provided with bus frame and mate with described bus frame, the first half of described busbar is provided with symmetrical mounting groove, the centre of described busbar is run through and is provided with arcuate slots, the arc cambered surface of described arcuate slots has rectangular channel, and the bottom of described busbar is run through semicircle groove;
Cabinet door, is arranged at described cabinet front end, is provided with one by being fixedly installed on one the direction board that buckle that the block button hole on described cabinet door mates is flexibly connected on described cabinet door.
Above-mentioned low-tension switch cabinet, wherein, is provided with corrugated teeth groove with the both sides outer wall of described busbar.
Above-mentioned low-tension switch cabinet, wherein, described buckle comprises axis, the deck that the diameter be connected successively is not less than the chuck of described block button hole, diameter is not more than described block button hole diameter, described deck is in " W " type, also comprise the connector be connected with described axis, described connector both sides are provided with flexure strip, and the free end of described flexure strip is towards described block button hole.
Above-mentioned low-tension switch cabinet, wherein, be provided with one in the pre-position of described cabinet in order to detect the temperature-detecting device of temperature in described cabinet, and be connected with described checkout gear and in order to the display unit of displays temperature, described temperature-detecting device internal preset has temperature threshold scope.
Above-mentioned low-tension switch cabinet, wherein, is provided with integrative instrument window, indicator light, button, breaker operator interface on described cabinet door.
Above-mentioned low-tension switch cabinet, wherein, described mounting groove is I shape.
Above-mentioned low-tension switch cabinet, wherein, also comprises an alarm device, connects described temperature-detecting device, and be used to described temperature when exceeding described temperature threshold scope, give the alarm signal.
Above-mentioned low-tension switch cabinet, wherein, described alarm device is acoustooptic alarm.
Above-mentioned low-tension switch cabinet, wherein, described deck is elastic clamp seat.
Compared with prior art, the utility model has the advantages that:
(1) above-mentioned low-tension switch cabinet terminal with compact integral structure, uses buckle to replace traditional bolt nut, no longer needs to open cabinet door and fixed, install more convenient, significantly reduce workload, increase work efficiency.
(2) kelvin effect principle is utilized to optimize the big current busbar of electric close distribution, take into full account the impact of kelvin effect and proximity effect, by analyzing vortex field and the temperature field of busbar, determine its rational electric close distribution and radiating effect, simultaneously structurally saving copper material more than 20%, reduces production cost.
(3) the utility model busbar and air contact surfaces amass the rectangle busbar much larger than same cross section, increase area of dissipation, reduce temperature and the temperature rise of busbar; In addition, the I-shaped structure of busbar and groove, waveform teeth groove, substantially reduce its net sectional area, more economize on copper.
(4) I-shaped structure and waveform teeth groove also help and improve busbar distribution of force, under the prerequisite meeting mechanical performance, are convenient to install and fix.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of busbar in the utility model;
Fig. 3 is the cross-sectional view of buckle in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of low-tension switch cabinet, wherein, comprises,
Cabinet 1, main bus bar room (not marking in figure) is once separated to form from top to bottom by insulation board in described cabinet 1, control room's (not marking in figure), breaker chamber (not marking in figure), cable vault's (not marking in figure), in the busbar 3 that described main bus bar indoor are provided with bus frame and mate with described bus frame, the first half of described busbar 3 is provided with symmetrical mounting groove 34, the centre of described busbar 3 is run through and is provided with arcuate slots, the arc cambered surface of described arcuate slots has rectangular channel 32, the bottom of described busbar 3 is run through semicircle groove 33, kelvin effect principle is utilized to optimize the big current busbar 3 of electric close distribution, take into full account the impact of kelvin effect and proximity effect, by analyzing vortex field and the temperature field of busbar 3, determine its rational electric close distribution and radiating effect, simultaneously structurally saving copper material more than 20%, reduces production cost.For 1600A busbar 3, current user requires employing 125 × 10mm
2sectional area copper bar, and the bronze medal sectional area in this product is only 984.6mm
2.Busbar 3 and air contact surfaces amass the rectangle busbar 3 much larger than same cross section, increase area of dissipation, reduce temperature and the temperature rise of busbar 3; In addition, the I-shaped structure of busbar 3 and groove 33, waveform teeth groove 35, substantially reduce its net sectional area, more economize on copper.
Cabinet door 2, is arranged at described cabinet 1 front end, is provided with a direction board 27 by being flexibly connected with the buckle 26 that buckle 26 hole 21 be fixedly installed on described cabinet door is mated on described cabinet door 2.Use buckle 26 to replace traditional bolt nut, no longer need to open cabinet door 2 and fixed, install more convenient, significantly reduce workload, increase work efficiency.
As further preferred embodiment, above-mentioned low-tension switch cabinet, wherein, is provided with corrugated teeth groove 35 with the both sides outer wall of described busbar 3.Corrugated teeth groove 35 is installed, accelerates radiating effect further.
As further preferred embodiment, above-mentioned low-tension switch cabinet, wherein, described buckle 26 comprises axis 262, the deck 263 that the diameter be connected successively is not less than the chuck 261 in described buckle 26 hole 21, diameter is not more than described buckle 26 hole 21 diameter, described deck 263 is in " W " type, also comprise the connector be connected with described axis 262, described connector both sides are provided with flexure strip, the free end of described flexure strip is towards described buckle 26 hole 21.Wherein, described deck 263 is elastic clamp seat 263.When deformation does not occur for it, the spacing of two flexure strip free ends is greater than buckle 26 hole 21.Wherein said chuck 261 is inclined plane with the junction of axis 262, and direction board 27 is also set to corresponding inclined plane for the through hole that buckle 26 wears, and adopts inclined plane that chuck 261 can be made tightr with the connection of direction board 27.
As further preferred embodiment, above-mentioned low-tension switch cabinet, wherein, one is provided with in order to detect the temperature-detecting device of temperature in described cabinet 1 in the pre-position of described cabinet 1, and to be connected with described checkout gear and in order to the display unit of displays temperature, described temperature-detecting device internal preset has temperature threshold scope.Also comprise an alarm device, connect described temperature-detecting device, be used to described temperature when exceeding described temperature threshold scope, give the alarm signal.Further, described alarm device is acoustooptic alarm.The safe handling of the low-tension switch cabinet of further reinforcement.
As further preferred embodiment, above-mentioned low-tension switch cabinet, wherein, is provided with integrative instrument window 21, breaker operator interface 22, indicator light 23, button 24 on described cabinet door 2.
As further preferred embodiment, above-mentioned low-tension switch cabinet, wherein, described mounting groove 34 is in I shape.I-shaped structure and waveform teeth groove 35 also help and improve busbar 3 distribution of force, under the prerequisite meeting mechanical performance, are convenient to install and fix.
The foregoing is only the utility model preferred embodiment; not thereby execution mode of the present utility model and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilization the utility model specifications and diagramatic content and apparent change obtain in protection range of the present utility model.
Claims (9)
1. a low-tension switch cabinet, is characterized in that: comprise,
Cabinet, main bus bar room, control room, breaker chamber, cable vault is separated to form successively from top to bottom by insulation board in described cabinet, in the busbar that described main bus bar indoor are provided with bus frame and mate with described bus frame, the first half of described busbar is provided with symmetrical mounting groove, the centre of described busbar is run through and is provided with arcuate slots, the arc cambered surface of described arcuate slots has rectangular channel, and the bottom of described busbar is run through semicircle groove;
Cabinet door, is arranged at described cabinet front end, is provided with one by being fixedly installed on one the direction board that buckle that the block button hole on described cabinet door mates is flexibly connected on described cabinet door.
2. low-tension switch cabinet according to claim 1, is characterized in that, is provided with corrugated teeth groove with the both sides outer wall of described busbar.
3. low-tension switch cabinet according to claim 1, it is characterized in that, described buckle comprises axis, the deck that the diameter be connected successively is not less than the chuck of described block button hole diameter, diameter is not more than described block button hole diameter, described deck is in " W " type, also comprise the connector be connected with described axis, described connector both sides are provided with flexure strip, and the free end of described flexure strip is towards described block button hole.
4. low-tension switch cabinet according to claim 1, it is characterized in that, one is provided with in order to detect the temperature-detecting device of temperature in described cabinet in the pre-position of described cabinet, and to be connected with described checkout gear and in order to the display unit of displays temperature, described temperature-detecting device internal preset has temperature threshold scope.
5. low-tension switch cabinet according to claim 1, is characterized in that, is provided with integrative instrument window, indicator light, button, breaker operator interface on described cabinet door.
6. low-tension switch cabinet according to claim 1, is characterized in that, described mounting groove is I shape.
7. low-tension switch cabinet according to claim 4, is characterized in that, also comprises an alarm device, connects described temperature-detecting device, and be used to described temperature when exceeding described temperature threshold scope, give the alarm signal.
8. low-tension switch cabinet according to claim 7, is characterized in that, described alarm device is acoustooptic alarm.
9. low-tension switch cabinet according to claim 3, is characterized in that, described deck is elastic clamp seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261193.6U CN204858283U (en) | 2015-04-27 | 2015-04-27 | Low -voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261193.6U CN204858283U (en) | 2015-04-27 | 2015-04-27 | Low -voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858283U true CN204858283U (en) | 2015-12-09 |
Family
ID=54748802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520261193.6U Expired - Fee Related CN204858283U (en) | 2015-04-27 | 2015-04-27 | Low -voltage switchgear |
Country Status (1)
| Country | Link |
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| CN (1) | CN204858283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170537A (en) * | 2017-06-28 | 2017-09-15 | 河南森源电气股份有限公司 | A kind of insulator cap, insulating cylinder and use its insulation system and transfer bus component |
-
2015
- 2015-04-27 CN CN201520261193.6U patent/CN204858283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170537A (en) * | 2017-06-28 | 2017-09-15 | 河南森源电气股份有限公司 | A kind of insulator cap, insulating cylinder and use its insulation system and transfer bus component |
| CN107170537B (en) * | 2017-06-28 | 2023-12-22 | 河南森源电气股份有限公司 | Insulating cap, insulating cylinder, insulating structure using insulating cap and switching bus assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200427 |