CN202084880U - Heavy current mother board insulation joint - Google Patents
Heavy current mother board insulation joint Download PDFInfo
- Publication number
- CN202084880U CN202084880U CN2011201947015U CN201120194701U CN202084880U CN 202084880 U CN202084880 U CN 202084880U CN 2011201947015 U CN2011201947015 U CN 2011201947015U CN 201120194701 U CN201120194701 U CN 201120194701U CN 202084880 U CN202084880 U CN 202084880U
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- Prior art keywords
- dead ring
- ring
- insulation
- bolt
- electric current
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Abstract
The utility model relates to a heavy current mother board insulation joint, including the following: insulation rings, the two insulation rings are matchingly provided with respective outer rings, and form annular grooves with respective outer rings; a fixing device; an outer insulation clamp; an inner insulation clamp and an insulation tube. In the utility model, a novel insulation joint is designed; an insulation layer is provided between buses; through the structure design of the novel insulation joint provided in the utility model, not only the distance between buses is reduced, but also the standard requirements of an electrical gap and a creepage distance are satisfied; the structure is intelligible; the installation mode is simple and easy to operate; and the engineering practice demand is satisfied.
Description
Technical field
The application relates to a kind of big electric current busbar insulating joint.
Background technology
In the electric power system at present, low-voltage, high-current equipment wants under the taking into account system failure condition assurance equipment can bear fault current and disengagement failure rapidly in the design phase, the running safety of assurance system, on the other hand before coming into operation, will detect its fail safe according to national standard, so design, development phase and application country authentication phase all must be carried out the test of big current limitation load.
In the low-voltage high-current test system, bus will be by tens or the electric current of kilo-amperes up to a hundred, in order to obtain so big current value, necessarily require the impedance of test circuit very little, therefore the spacing between the three-phase bus in the circuit is enough little, general spacing is 2～3 centimeters, and clamping and fixing device need be installed by the busbar joint place, as bolt, nut, as keeping above-mentioned 2～3 centimeters spacing between bus, bolt then, distance between nut and the bus is less than above-mentioned spacing, but so little spacing makes bolt, electric clearance between nut and the bus and creepage distance can not satisfy the national standard requirement.
Summary of the invention
Provide hereinafter about brief overview of the present utility model, so that basic comprehension about some aspect of the present utility model is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present utility model.It is not that intention is determined key of the present utility model or pith, neither be intended to limit scope of the present utility model.Its purpose only is to provide some notion with the form of simplifying, with this as the preorder in greater detail of argumentation after a while.
For solve that heavy current busbar requires for little spacing and busbar joint standard electrical gap, creepage distance between contradiction, the utility model has designed a kind of novel insulating joint, between bus, be provided with insulating barrier, and by structural design of the present utility model, both dwindle the bus spacing, satisfied the standard-required of electric clearance and creepage distance again.
For achieving the above object, embodiment of the present utility model provides a kind of big electric current busbar insulating joint, comprise: dead ring, described dead ring comprises outer dish, interior ring and through hole, ring is for annular tube shaped in the described dead ring, and the outer dish of described dead ring is ring discoid, encircle in the outer dish of described dead ring and the dead ring join and internal diameter identical, described two dead rings interior ring separately cooperates to be installed, and forms annular groove jointly with separately outer dish; Fixture, described fixture comprises nut and bolt, described bolt passes described dead ring through hole; The external insulation folder, described external insulation folder is arranged between described dead ring and the described nut, and described external insulation folder is provided with the aperture through hole identical with described dead ring through hole and passes described bolt; Interior insulating blanked clamper, described in insulating blanked clamper be arranged between the outer dish of adjacent two described dead rings of ccontaining adjacent two-phase bus, described in insulating blanked clamper be provided with the aperture through hole identical and pass described bolt with described dead ring through hole; Insulated tube, described insulated tube inner surface cooperates installation with described bolt, and described insulated tube outer surface cooperates installation with described dead ring, external insulation folder, interior insulating blanked clamper.
Preferably, described big electric current busbar insulating joint also comprises insulation cushion, described insulation cushion is arranged at the radial outside of the outer dish of described dead ring, and it is identical that described insulation cushion internal diameter and described dead ring coil external diameter outward, and described insulation cushion is identical with the outer disc thickness of described dead ring.
Preferably, described dead ring is the insulating material of epoxy phenolic laminated glass fabric plate.
Preferably, described fixture also comprises elastic washer and plain washer, and institute's elastic washer and plain washer are arranged between described nut and the described external insulation folder and with described nut coaxial cooperation and install.
Preferably, described external insulation folder is the insulating material of epoxy phenolic laminated glass fabric plate.
Preferably, described interior insulating blanked clamper is the insulating material of epoxy phenolic laminated glass fabric plate.
Preferably, described insulated tube is the insulating material of epoxy novolac laminated glass stringing.
Preferably, described bolt is 4, and described insulated tube is 4, and described external insulation folder, all corresponding being provided with of interior insulating blanked clamper can supply described insulated tube to cooperate four through holes of the symmetry of installing.
Compared with prior art, embodiment of the present utility model has the following advantages and one or more of beneficial effect:
1, the utility model is provided with insulating barrier between bus, and adopts the structural design of dead ring, insulation fixture block, insulated tube, has both dwindled the bus spacing, has satisfied the standard-required of electric clearance and creepage distance again.
2, insulating material of the present utility model adopts epoxy phenolic laminated glass fabric plate, and cost is not high, be suitable for large-scale production promotes.
3, big electric current busbar insulating joint of the present utility model, clear in structure, mounting means is simple, easy to operate, can satisfy the engineering practice demand.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing, can understand above and other purpose of the present utility model, characteristics and advantage more easily to the utility model embodiment.Parts in the accompanying drawing are just in order to illustrate principle of the present utility model.In the accompanying drawings, same or similar technical characterictic or parts will adopt identical or similar Reference numeral to represent.
Fig. 1 is the structural representation of a kind of execution mode of big electric current busbar insulating joint of the present utility model;
Fig. 2 is the structural representation of a kind of execution mode of dead ring of big electric current busbar insulating joint of the present utility model.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.Element of describing in an accompanying drawing of the present utility model or a kind of execution mode and feature can combine with element and the feature shown in one or more other accompanying drawing or the execution mode.Should be noted that for purpose clearly, omitted in accompanying drawing and the explanation and the utility model parts irrelevant, that those of ordinary skills are known and the expression and the description of processing.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, as Fig. 1, shown in Figure 2, comprise: dead ring 1, dead ring 1 can be used to increase creepage distance between the adjacent bus, " L " type that described dead ring 1 radial cross-section is two subtends, described dead ring 1 comprises interior ring, outer dish and through hole, ring is for annular tube shaped in the described dead ring 1, described dead ring 1 outer dish is ring discoid, encircle in described dead ring 1 outer dish and the dead ring 1 join and internal diameter identical, the cooperation staggered relatively of described two dead rings 1 interior ring is separately installed, and with the common annular groove that forms in order to ccontaining bus of separately outer dish, described dead ring 1 can be adjusted size according to the bus size; Fixture 2, fixture 2 can be used for fastening bus, and described fixture 2 comprises nut 21 and bolt 22, and described bolt 22 passes described dead ring 1 through hole; External insulation folder 3, external insulation folder 3 can be used to increase insulation distance between bus and the described nut 21, described external insulation folder 3 is arranged between described dead ring 1 and the described nut 21, and described external insulation folder 3 is provided with the aperture through hole identical with described dead ring 1 through hole and passes described bolt 22; Interior insulating blanked clamper 4, interior insulating blanked clamper 4 can be used to increase insulation distance between the adjacent bus, insulating blanked clamper 4 is arranged between the outer dish of adjacent two described dead rings 1 of ccontaining adjacent two buses in described, described in insulating blanked clamper 4 be provided with the aperture through hole identical and pass described bolt 22 with described dead ring 1 through hole; Insulated tube 5, insulated tube 5 can be used to guarantee bus and 22 insulation of described bolt, and described insulated tube 5 inner surfaces cooperate installation with described bolt 22, and described insulated tube 5 outer surfaces cooperate installation with described dead ring 1, external insulation folder 3, interior insulating blanked clamper 4.Described bus and bolt 22, nut 21 are as electric conductor, isolated by the insulator structure that the utility model designs, have 1 interior insulating blanked clamper 4 and 8 dead rings 1 between the described adjacent two-phase bus, have 3 and 4 dead rings 1 of 1 external insulation folder between described bus and the nut 21, have dead ring 1 and insulated tube 5 between described bus and the bolt 22, so promptly satisfying the standard-required that meets creepage distance and electric clearance under the closely spaced prerequisite of big electric current simultaneously.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, described big electric current busbar insulating joint also comprises insulation cushion 6, described insulation cushion 6 is arranged at the radial outside of the perpendicular arm of described dead ring 1 " L " structure, described insulation cushion 6 internal diameters are identical with described dead ring 1 outer dish external diameter, and described insulation cushion 6 is identical with described dead ring 1 outer disc thickness.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, and described dead ring 1 is the insulating material of epoxy phenolic laminated glass fabric plate.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, described fixture 2 also comprises elastic washer 23 and plain washer 24, and institute's elastic washer 23 and plain washer 24 are arranged between described nut 21 and the described external insulation folder 3 and with described nut 21 coaxial cooperation and install.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, and described external insulation folder 3 is the insulating material of epoxy phenolic laminated glass fabric plate.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, and described interior insulating blanked clamper 4 is the insulating material of epoxy phenolic laminated glass fabric plate.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, and described insulated tube 5 is the insulating material of epoxy novolac laminated glass stringing.
An embodiment of the present utility model provides a kind of big electric current busbar insulating joint, described bolt 22 is 4, corresponding described insulated tube 5 is 4, described external insulation folder 3, being provided with that interior insulating blanked clamper 4 is all corresponding can supply described insulated tube 5 to cooperate four through holes of the symmetry of installing, described dead ring 1 be arranged between described external insulation folder 3 and the interior insulating blanked clamper 4 or two interior insulating blanked clampers 4 between, be provided with 4 described dead rings 1 and be provided with 1 insulation cushion with 4 through holes 4 that is used for cooperating installation between one group of described external insulation folder 3 and interior insulating blanked clamper 4 or one group two interior insulating blanked clampers 4 with described dead ring 1.
When big electric current busbar insulating joint described in the utility model is installed, described busbar is provided with four through holes, identical on the pitch-row in four holes on the big electric current busbar insulating joint described in the utility model place busbar and described external insulation folder 3, the interior insulating blanked clamper 4 selected stud 22 according to described busbar through hole.Install in advance earlier, be enclosed within 4 described dead rings 1 in 4 holes of busbar from the left side, 1 described insulation cushion 6 is enclosed within 4 described dead ring 1 outer dish outsides, be enclosed within 4 described dead rings 1 in 4 holes of busbar from the right again, 1 described insulation cushion 6 of dish outside cover outside described 4 dead rings 1 again, as for three-phase bus then other busbars install successively as described in dead ring 1 and as described in insulation cushion 6; Position installation again, from left to right, with a described screw rod 22 described external insulation folder 3 is worn, pass the A busbar mutually that dead ring 1 and insulation cushion 6 are installed then, pass described interior insulating blanked clamper 4 again,, penetrate the described busbar of dead ring 1 and insulation cushion 6, the described busbar of interior insulating blanked clamper 4......, the interior insulating blanked clamper 4 of having successively according to the busbar number, after penetrating last 1 phase busbar, penetrate 1 external insulation folder 3 again; Install then, penetrate 3 described insulated tubes 5 in 3 successively that all described busbars are remaining through holes, penetrate 3 described studs 22 again, first described bolt 22 that will be used for location and installation takes out, and penetrates described insulated tube 5, stud 22 in this hole successively; At last above all mounted parts are put in order, adjusted 4 length that described bolt 22 stretches out the described external insulation joint 3 in both sides, make the both sides equal in length, load onto described elastic washer 23 and plain washer 24, tighten described nut 21, and carry out fastening, installation.Described bus and bolt 22, nut 21 are as electric conductor, isolated by the insulator structure that the utility model designs, have 1 interior insulating blanked clamper 4 and 8 dead rings 1 between the described adjacent bus, have 3 and 4 dead rings 1 of 1 external insulation folder between described bus and the nut 21, have dead ring 1 and insulated tube 5 between described bus and the bolt 22, so promptly satisfying the standard-required that meets creepage distance and electric clearance under the closely spaced prerequisite of big electric current simultaneously.
In equipment of the present utility model and method, obviously, after can decomposing, make up and/or decompose, each parts or each step reconfigure.These decomposition and/or reconfigure and to be considered as equivalents of the present utility model.The step that also it is pointed out that the above-mentioned series of processes of execution can order following the instructions naturally be carried out in chronological order, but does not need necessarily to carry out according to time sequencing.Some step can walk abreast or carry out independently of one another.Simultaneously, in the above in the description to the utility model specific embodiment, can in one or more other execution mode, use in identical or similar mode at the feature that a kind of execution mode is described and/or illustrated, combined with the feature in other execution mode, or the feature in alternative other execution mode.
Should emphasize that term " comprises/comprise " existence that refers to feature, key element, step or assembly when this paper uses, but not get rid of the existence of one or more further feature, key element, step or assembly or additional.
Though described the utility model and advantage thereof in detail, be to be understood that and under not exceeding, can carry out various changes, alternative and conversion by the situation of the appended spirit and scope of the present utility model that claim limited.And the application's scope is not limited only to the specific embodiment of the described process of specification, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, can use according to the utility model and carry out and process, equipment, means, method or step essentially identical function of corresponding embodiment described herein or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (4)
1. one kind big electric current busbar insulating joint is characterized in that, comprising:
Dead ring (1), described dead ring (1) comprise interior ring, outward the dish and through hole, the interior ring of described dead ring (1) is annular tube shaped, the outer dish of described dead ring (1) is ring discoid, encircle in the outer dish of described dead ring (1) and the dead ring (1) join and internal diameter identical, two described dead rings (1) interior ring separately cooperates to be installed, and forms annular groove jointly with described two outer dishes;
Fixture (2), described fixture (2) comprise nut (21) and bolt (22), and described bolt (22) passes described dead ring (1) through hole;
External insulation folder (3), described external insulation folder (3) is arranged between described dead ring (1) and the described nut (21), and described external insulation folder (3) is provided with the aperture through hole identical with described dead ring (1) through hole and passes described bolt (22);
Interior insulating blanked clamper (4), insulating blanked clamper (4) is arranged between the outer dish of adjacent two described dead rings (1) of ccontaining adjacent two-phase bus in described, described in insulating blanked clamper (4) be provided with the aperture through hole identical and pass described bolt (22) with described dead ring (1) through hole;
Insulated tube (5), described insulated tube (5) inner surface cooperates installation with described bolt (22), and described insulated tube (5) outer surface cooperates installation with described dead ring (1), external insulation folder (3), interior insulating blanked clamper (4).
2. big electric current busbar insulating joint as claimed in claim 1, it is characterized in that, described big electric current busbar insulating joint also comprises insulation cushion (6), described insulation cushion (6) is arranged at the radial outside of the outer dish of described dead ring (1), described insulation cushion (6) internal diameter is identical with the outer dish of described dead ring (1) external diameter, and described insulation cushion (6) is identical with the outer disc thickness of described dead ring (1).
3. big electric current busbar insulating joint as claimed in claim 1, it is characterized in that, described fixture (2) also comprises elastic washer (23) and plain washer (24), and described elastic washer (23) and plain washer (24) are arranged between described nut (21) and the described external insulation folder (3) and with described nut (21) coaxial cooperation and install.
4. big electric current busbar insulating joint as claimed in claim 1, it is characterized in that, described bolt (22) is 4, and described insulated tube (5) is 4, and being provided with that described external insulation folder (3), interior insulating blanked clamper (4) are all corresponding can supply described insulated tube (5) to cooperate four through holes of the symmetry of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201947015U CN202084880U (en) | 2011-06-10 | 2011-06-10 | Heavy current mother board insulation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201947015U CN202084880U (en) | 2011-06-10 | 2011-06-10 | Heavy current mother board insulation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084880U true CN202084880U (en) | 2011-12-21 |
Family
ID=45345497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201947015U Expired - Fee Related CN202084880U (en) | 2011-06-10 | 2011-06-10 | Heavy current mother board insulation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202084880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916377A (en) * | 2012-11-14 | 2013-02-06 | 北京电子工程总体研究所 | Integrated bus bar stacking device |
| CN103269017A (en) * | 2013-05-27 | 2013-08-28 | 上海振大电器成套有限公司 | Three-phase busbar arc-isolating device |
| CN111628461A (en) * | 2020-06-10 | 2020-09-04 | 江苏冠卓电气有限公司 | Fire-resistant bus connector and assembling method thereof |
-
2011
- 2011-06-10 CN CN2011201947015U patent/CN202084880U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916377A (en) * | 2012-11-14 | 2013-02-06 | 北京电子工程总体研究所 | Integrated bus bar stacking device |
| CN103269017A (en) * | 2013-05-27 | 2013-08-28 | 上海振大电器成套有限公司 | Three-phase busbar arc-isolating device |
| CN111628461A (en) * | 2020-06-10 | 2020-09-04 | 江苏冠卓电气有限公司 | Fire-resistant bus connector and assembling method thereof |
| CN111628461B (en) * | 2020-06-10 | 2021-11-02 | 江苏冠卓电气有限公司 | Fire-resistant bus connector and assembling method thereof |
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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 |
Granted publication date: 20111221 Termination date: 20180610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |