CN204946691U - The saturable reactor of rail insulation is burnt for solving high-speed railway traction current - Google Patents
The saturable reactor of rail insulation is burnt for solving high-speed railway traction current Download PDFInfo
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- CN204946691U CN204946691U CN201520669214.8U CN201520669214U CN204946691U CN 204946691 U CN204946691 U CN 204946691U CN 201520669214 U CN201520669214 U CN 201520669214U CN 204946691 U CN204946691 U CN 204946691U
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Abstract
The utility model discloses a kind of saturable reactor burning rail insulation for solving high-speed railway traction current, comprise housing secondary with the iron core being arranged on enclosure interior, and the first binding post be arranged on the outer wall of housing side and the second binding post, described iron core pair is set with insulated tube, the top of described insulated tube is provided with insulation upper spacer, the bottom of described insulated tube is provided with insulation lower clapboard, described insulated tube is wound with the hauling-eye between insulation upper spacer and insulation lower clapboard, one end of described hauling-eye is connected on the first binding post, the other end of described hauling-eye is connected on the second binding post.The utility model structure is simple, reasonable in design, and it is convenient, easy for installation to realize, and effectively can solve that high-speed railway backflow is smooth, the potential safety hazard of scaling loss rail insulation and rail's end portion, and practical, result of use is good, is convenient to promote the use of.
Description
Technical field
The utility model belongs to railway signal reactor technical field, is specifically related to a kind of saturable reactor burning rail insulation for solving high-speed railway traction current.
Background technology
China Express Railway, since opening operation, has been engendered by the phenomenon of traction current scaling loss insulation joint, and the line such as Beijing-Shanghai, Shanghai and Nanjing, Zheng Xi all problems occurred.Rail insulation scaling loss can cause damage in insulation, causes string code, also can affect the mechanical performance at rail joint position, form potential safety hazard.
Through analysis and the data to arrange of some cases, when showing that its main cause is roundabout loop (being commonly called as " the 3rd the rail ") formation in order to eliminate track circuit existence, the hidden danger that track circuit cannot complete broken string, Broken rail detection is formed, and side line adopts caused by the scheme of " is blocked up " when station track circuit designs.
In " one is blocked up " situation, stronger traction current is there will be in rail in train departure or running, when refluxing not smooth, larger potential difference will be formed at isolated rail joint two ends, cause two section track-end insulation joint places to there will be arcing electric discharge scaling loss rail joint and insulation joint time serious, even jeopardize staff's personal safety.
If cancel " one is blocked up ", adopt both-end backflow, then can form outside roundabout loop (the 3rd rail).In this case, because the roundabout impedance loop in outside is less, may form the 3rd rail, track circuit cannot complete double break line rear vehicle and take and Broken rail detection.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of saturable reactor burning rail insulation for solving high-speed railway traction current is provided, its structure is simple, reasonable in design, it is convenient, easy for installation to realize, effectively can solve that high-speed railway backflow is smooth, the potential safety hazard of scaling loss rail insulation and rail's end portion, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of saturable reactor burning rail insulation for solving high-speed railway traction current, it is characterized in that: comprise housing secondary with the iron core being arranged on enclosure interior, and the first binding post be arranged on the outer wall of housing side and the second binding post, described iron core pair is set with insulated tube, the top of described insulated tube is provided with insulation upper spacer, the bottom of described insulated tube is provided with insulation lower clapboard, described insulated tube is wound with the hauling-eye between insulation upper spacer and insulation lower clapboard, one end of described hauling-eye is connected on the first binding post, the other end of described hauling-eye is connected on the second binding post.
The above-mentioned saturable reactor burning rail insulation for solving high-speed railway traction current, is characterized in that: described iron core is secondary to be made up of four U-shaped iron cores that upper and lower opening is arranged side by side after docking again between two, and described insulative is contained in the centre of described iron core pair.
The above-mentioned saturable reactor burning rail insulation for solving high-speed railway traction current, is characterized in that: described insulated tube is square tube.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, reasonable in design, and it is convenient to realize.
2, the utility model use time easy for installation, do not need to readjust existing track circuit, only need seal in a saturable reactor between the choke transformer central point of original two adjacent orbit sections, when rail having electric current through out-of-date, energy is conducting traction current smoothly, avoid " one is blocked up " problem that conceptual design causes backflow not smooth, turn increase the impedance of signal code in roundabout loop simultaneously, prevent roundabout loop from having an impact to track circuit characteristic.
3, use of the present utility model has no effect to train operation, effectively can solve that high-speed railway station track circuit current application " one block up " conceptual design causes that backflow is smooth, the potential safety hazard of scaling loss rail insulation and rail's end portion, prevent electrified station track circuit system to be subject to the impact in roundabout loop simultaneously, practical, result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, reasonable in design, and it is convenient, easy for installation to realize, and effectively can solve that high-speed railway backflow is smooth, the potential safety hazard of scaling loss rail insulation and rail's end portion, and practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model except housing.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is using state schematic diagram of the present utility model.
Description of reference numerals:
1-the first binding post; 2-the second binding post; 3-insulation upper spacer;
4-insulation lower clapboard; 5-hauling-eye; 6-U-shaped iron core;
7-insulated tube; 8-saturable reactor; 9-left choke transformer;
10-right choke transformer; 11-high-speed railway station track circuit.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises housing and is arranged on the iron core pair of enclosure interior, and the first binding post 1 and the second binding post 2 be arranged on the outer wall of housing side, described iron core pair is set with insulated tube 7, the top of described insulated tube 7 is provided with insulation upper spacer 3, the bottom of described insulated tube 7 is provided with insulation lower clapboard 4, described insulated tube 7 is wound with the hauling-eye 5 between insulation upper spacer 3 and insulation lower clapboard 4, one end of described hauling-eye 5 is connected on the first binding post 1, the other end of described hauling-eye 5 is connected on the second binding post 2.
As depicted in figs. 1 and 2, in the present embodiment, described iron core is secondary to be made up of four U-shaped iron cores 6 that upper and lower opening is arranged side by side after docking again between two, and described insulated tube 7 is sleeved on the centre of described iron core pair.
As depicted in figs. 1 and 2, in the present embodiment, described insulated tube 7 is square tube.
During concrete enforcement, described enclosure interior adopts the mode of industrial wax embedding, strengthens heat dispersion; Described hauling-eye 5 is when logical 50Hz electric current is more than or equal to 30A, and impedance is less than 1 Ω, and its iron core pair can be saturated; Described hauling-eye 5 loads signal voltage that shift frequency is respectively 1700Hz, 2000Hz, 2300Hz, 2600Hz when being 1V, and its counterpart impedance is not less than 19 Ω, 20 Ω, 22 Ω, 23 Ω respectively; When described hauling-eye 5 loads shift frequency 1700Hz, 2000Hz, 2300Hz, 2600Hz signal voltage when logical traction current is less than or equal to 30A is 1V, its counterpart impedance is not less than 8 Ω, 8.5 Ω, 10 Ω, 11 Ω respectively.
As shown in Figure 3, the utility model is used for the place of high-speed railway station track circuit 11 side line " one is blocked up ", first binding post 6 of saturable reactor 8 is connected with the central point 3 of its left adjacent left choke transformer 9, second binding post 7 of saturable reactor 8 is connected with the central point 3 of its right adjacent right choke transformer 10, wherein, left choke transformer 9 and right choke transformer 10 are the choke transformer of two adjacent orbit sections; When rail not having locomotive, the hauling-eye 5 of saturable reactor 8 has certain impedance, hinders signal code, prevents from forming roundabout loop; When rail has locomotive by time, traction current is comparatively large, and the iron core pair of saturable reactor 8 is saturated, and the impedance of hauling-eye 5 is very low, the smooth conducting of traction current.
Use of the present utility model, can solve that current high-speed railway station track circuit application " one block up " conceptual design causes that backflow is smooth, the potential safety hazard of scaling loss rail insulation and rail's end portion, eliminate the possibility that electrified station track circuit system exists roundabout loop simultaneously.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.
Claims (3)
1. one kind is burnt the saturable reactor of rail insulation for solving high-speed railway traction current, it is characterized in that: comprise housing secondary with the iron core being arranged on enclosure interior, and the first binding post (1) be arranged on the outer wall of housing side and the second binding post (2), described iron core pair is set with insulated tube (7), the top of described insulated tube (7) is provided with insulation upper spacer (3), the bottom of described insulated tube (7) is provided with insulation lower clapboard (4), described insulated tube (7) is wound with the hauling-eye (5) be positioned between insulation upper spacer (3) and insulation lower clapboard (4), one end of described hauling-eye (5) is connected on the first binding post (1), the other end of described hauling-eye (5) is connected on the second binding post (2).
2. according to the saturable reactor burning rail insulation for solving high-speed railway traction current according to claim 1, it is characterized in that: described iron core is secondary to be made up of four U-shaped iron cores (6) that upper and lower opening is arranged side by side after docking again between two, and described insulated tube (7) is sleeved on the centre of described iron core pair.
3. according to the saturable reactor burning rail insulation for solving high-speed railway traction current according to claim 1, it is characterized in that: described insulated tube (7) is square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669214.8U CN204946691U (en) | 2015-08-31 | 2015-08-31 | The saturable reactor of rail insulation is burnt for solving high-speed railway traction current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669214.8U CN204946691U (en) | 2015-08-31 | 2015-08-31 | The saturable reactor of rail insulation is burnt for solving high-speed railway traction current |
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| Publication Number | Publication Date |
|---|---|
| CN204946691U true CN204946691U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520669214.8U Active CN204946691U (en) | 2015-08-31 | 2015-08-31 | The saturable reactor of rail insulation is burnt for solving high-speed railway traction current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861015A (en) * | 2019-03-14 | 2019-06-07 | 汉中集联电气工程科技有限公司 | A kind of portable anti-corrosion aluminium core track lead of railway and application method |
-
2015
- 2015-08-31 CN CN201520669214.8U patent/CN204946691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861015A (en) * | 2019-03-14 | 2019-06-07 | 汉中集联电气工程科技有限公司 | A kind of portable anti-corrosion aluminium core track lead of railway and application method |
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