CN204586920U - A kind of inductance capacitance box and coding system - Google Patents
A kind of inductance capacitance box and coding system Download PDFInfo
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- CN204586920U CN204586920U CN201520328727.2U CN201520328727U CN204586920U CN 204586920 U CN204586920 U CN 204586920U CN 201520328727 U CN201520328727 U CN 201520328727U CN 204586920 U CN204586920 U CN 204586920U
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Abstract
The utility model relates to a kind of inductance capacitance box and coding system, comprise shell and internal circuit, the side of described shell is provided with the first through hole successively, second through hole and third through-hole, described first through hole, second through hole and third through-hole place are fixed with the first connecting ring respectively, second connecting ring and the 3rd connecting ring, described internal circuit comprises inductance L and electric capacity C, described inductance L and electric capacity C connect, one end of described inductance L is electrically connected with described first connecting ring, one end of described electric capacity C is electrically connected with described 3rd connecting ring, the common port of described inductance L and electric capacity C is electrically connected with described second connecting ring.A kind of inductance capacitance box of the present utility model is the important equipment in four-wire system coding system, after access, make the normal work not affecting 25Hz phase detecting track circuit, and can effectively prevent shift information from being shunted by 25Hz phase detecting track circuit power supply panel and equipment, make frequency-shift signaling send into track, ensure the work that cab signal is reliable and stable.
Description
Technical field
The utility model relates to railway track circuit signal field, particularly relates to a kind of inductance capacitance box and coding system.
Background technology
On China railways line, interval employing ZPW-2000 series frequency shift modulated track circuit, cab signal can only receive shift information.In standing or semi-automatic block system generally adopt 25Hz phase detecting track circuit or 50Hz AC track circuit close to section.When locomotive enter station in or close to section time, just do not receive shift information, make locomotive generation emergency braking.In order to make cab signal reliable operation, the track circuit in station with close to section needs to realize coding.Four-wire system is the preferred plan realizing coding.Can superpose in 25Hz phase detecting track circuit or 50Hz AC track circuit, prestacked (or closed loop inspection) ZPW-2000A information.When locomotive is AT STATION or close to operation by sections, cab signal can receive the ZPW-2000A information identical with interval, makes cab signal reliable operation.Superposition or Pre-overlap Code are after locomotive enters station track circuit, and 25Hz information and shift information send to track circuit simultaneously, when 25Hz information and shift information send information to track simultaneously, can mutually disturb each other.For this reason, need effectively to isolate the frequency-shift signaling in 25Hz phase detecting track circuit.In order to make frequency-shift signaling send information to track circuit, not entering 25Hz equipment, devising inductance capacitance box.Inductance capacitance box is isolated frequency-shift signaling, to guarantee the work that cab signal is reliable and stable.Can pass through smoothly 25Hz signal, make 25Hz track circuit stable operation.Inductance capacitance cassette in series send at 25Hz phase detecting track circuit, the track transformer primary side of receiving end.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inductance capacitance box and coding system, solve when 25Hz phase detecting track circuit superposition shift information, shift information is isolated in 25Hz phase detecting track circuit, can effectively prevent shift information from being shunted by 25Hz power supply panel and equipment, make frequency-shift signaling flow to track, ensure the work that cab signal is reliable and stable.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of inductance capacitance box, comprise shell and internal circuit, the side of described shell is provided with the first through hole successively, second through hole and third through-hole, described first through hole is fixed with the first connecting ring, described second through hole is fixed with the second connecting ring, described third through-hole place is fixed with the 3rd connecting ring, described internal circuit comprises inductance L and electric capacity C, described inductance L and electric capacity C connect, one end of described inductance L is electrically connected with described first connecting ring, one end of described electric capacity C is electrically connected with described 3rd connecting ring, the common port of described inductance L and electric capacity C is electrically connected with described second connecting ring.
The beneficial effects of the utility model are: a kind of inductance capacitance box of the present utility model, by sealing in inductance L and electric capacity C, in 25Hz track circuit, shift information is isolated, and can effectively prevent shift information from being shunted by 25Hz power supply panel and equipment, ensures the work that cab signal is reliable and stable.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described first connecting ring extends out to screw and is fixed on the first binding post, and described first binding post is electrically connected with described first connecting ring.
Further, described second connecting ring extends out to screw and is fixed on the second binding post, and described second binding post is electrically connected with described second connecting ring.
Further, described 3rd connecting ring extends out to screw and is fixed on the 3rd binding post, and described 3rd binding post is electrically connected with described 3rd connecting ring.
Another technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of coding system, comprise 25Hz power supply panel, track transformer, impedance transformer, 25Hz receptor and described inductance capacitance box, described track transformer comprises feed end track transformer and receiving end track transformer, described impedance transformer comprises feed end impedance transformer and receiving end impedance transformer, a mouth of described 25Hz power supply panel is connected to an input end of described feed end track transformer by described inductance capacitance box, another mouth is connected to another input end of described feed end track transformer, the mouth of described feed end track transformer is connected to the input end of described feed end impedance transformer, the mouth of described feed end impedance transformer is connected to external orbital, a mouth of described 25Hz receptor is connected to an input end of described receiving end track transformer by described inductance capacitance box, another mouth is connected to another input end of described receiving end track transformer, the mouth of described receiving end track transformer is connected to the input end of described receiving end impedance transformer, and the mouth of described receiving end impedance transformer is connected to external orbital.
Accompanying drawing explanation
Fig. 1 is a kind of inductance capacitance box containment structure schematic diagram of the present utility model;
Fig. 2 is a kind of inductance capacitance box internal circuit configuration schematic diagram of the present utility model;
Fig. 3 is a kind of 25Hz phase detecting track circuit coding system schematic of the present utility model.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As Fig. 1, shown in 2, a kind of inductance capacitance box containment structure schematic diagram, comprise shell and internal circuit, the side of described shell is provided with the first through hole successively, second through hole and third through-hole, described first through hole is fixed with the first connecting ring 1, described second through hole is fixed with the second connecting ring 2, described third through-hole place is fixed with the 3rd connecting ring 3, described internal circuit comprises inductance L and electric capacity C, described inductance L and electric capacity C connect, one end of described inductance L is electrically connected with described first connecting ring 1, one end of described electric capacity C is electrically connected with described 3rd connecting ring 3, the common port of described inductance L and electric capacity C is electrically connected with described second connecting ring 2.
In the present embodiment, be fixed on the first binding post 4 at the described first connecting ring screw that stretches out, described first binding post 4 is electrically connected with described first connecting ring 1.
In the present embodiment, be fixed on the second binding post 5 at the described second connecting ring screw that stretches out, described second binding post 5 is electrically connected with described second connecting ring 2.
In the present embodiment, be fixed on the 3rd binding post 5 at the described 3rd connecting ring screw that stretches out, described 3rd binding post 6 is electrically connected with described 3rd connecting ring 3.
Particularly, in actual mechanical process, at 25Hz track circuit feed end, described first binding post 4 is connected with external circuit with the second binding post 5 (now only having in inductance L incircuit), and in dissimilar according to 25Hz phase detecting track circuit of receiving end, outside line uses different terminals.As electrified sections 97 type receiving end connects identical with feed end external circuit; Improved type receiving end external circuit connects relevant with track circuit length, and when track circuit length is less than 700 meters, receiving end connects identical with feed end external circuit; When track circuit length is greater than 700 meters, receiving end is connected with external circuit and described first binding post 4 and the 3rd binding post 6 is connected with external circuit (now inductance L and electric capacity C all incircuit in).Then tighten fixing, by this inductance capacitance box, the frequency-shift signaling in ZPW-2000 series of track circuit is isolated, 25Hz signal is passed through, do not affect the transmission of phase detecting track circuit signal in station as far as possible, misregistration signal angle in circuit can also be improved simultaneously.
For the standard of different station track circuit, we adjust the value of described inductance L and electric capacity C as required, and have formulated the inductance capacitance box of HLC-T and HLC-T1 two profiles number.Model is that the inductance capacitance box of HLC-T is generally used in the superposition of 25Hz phase detecting track circuit, prestacked ZPW-2000 (UM) serial coding; Model is that the inductance capacitance box of HLC-T1 is generally used in the superposition of 50Hz AC track circuit, prestacked ZPW-2000 (UM) serial coding.Certain described inductance L and electric capacity C can adjust according to actual conditions, thus meet the operating needs of different track circuit.
A kind of inductance capacitance box of the present utility model, by sealing in inductance L and electric capacity C, when 25Hz phase detecting track circuit are worked, 25Hz information and shift information can not disturb mutually, can effectively prevent shift information from being shunted by 25Hz power supply panel and equipment, make frequency-shift signaling flow to track, ensure the work that cab signal is reliable and stable.
As shown in Figure 3, a kind of coding system, comprise 25Hz power supply panel, track transformer, impedance transformer, 25Hz receptor and described inductance capacitance box, described track transformer comprises feed end track transformer and receiving end track transformer, described impedance transformer comprises feed end impedance transformer and receiving end impedance transformer, a mouth of described 25Hz power supply panel is connected to an input end of described feed end track transformer by described inductance capacitance box, another mouth is connected to another input end of described feed end track transformer, the mouth of described feed end track transformer is connected to the input end of described feed end impedance transformer, the mouth of described feed end impedance transformer is connected to external orbital, a mouth of described 25Hz receptor is connected to an input end of described receiving end track transformer by described inductance capacitance box, another mouth is connected to another input end of described receiving end track transformer, the mouth of described receiving end track transformer is connected to the input end of described receiving end impedance transformer, and the mouth of described receiving end impedance transformer is connected to external orbital.
A kind of inductance capacitance box of the present utility model and coding system, structure is simple, easy to use.Meet and coding signal is effectively isolated, have the function of adjustment binary two relay angular displacements simultaneously concurrently.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an inductance capacitance box, it is characterized in that: comprise shell and internal circuit, the side of described shell is provided with the first through hole successively, second through hole and third through-hole, described first through hole is fixed with the first connecting ring (1), described second through hole is fixed with the second connecting ring (2), described third through-hole place is fixed with the 3rd connecting ring (3), described internal circuit comprises inductance L and electric capacity C, described inductance L and electric capacity C connect, one end of described inductance L is electrically connected with described first connecting ring (1), one end of described electric capacity C is electrically connected with described 3rd connecting ring (3), the common port of described inductance L and electric capacity C is electrically connected with described second connecting ring (2).
2. a kind of inductance capacitance box according to claim 1, it is characterized in that: described first connecting ring (1) screw that stretches out is fixed on the first binding post (4), and described first binding post (4) is electrically connected with described first connecting ring (1).
3. a kind of inductance capacitance box according to claim 2, it is characterized in that: described second connecting ring (2) screw that stretches out is fixed on the second binding post (5), and described second binding post (5) is electrically connected with described second connecting ring (2).
4. a kind of inductance capacitance box according to claim 3, it is characterized in that: described 3rd connecting ring (3) screw that stretches out is fixed on the 3rd binding post (6), and described 3rd binding post (6) is electrically connected with described 3rd connecting ring (3).
5. a coding system, it is characterized in that: comprise 25Hz power supply panel, track transformer, impedance transformer, 25Hz receptor and the inductance capacitance box described in any one of claim 1-4, described track transformer comprises feed end track transformer and receiving end track transformer, described impedance transformer comprises feed end impedance transformer and receiving end impedance transformer, a mouth of described 25Hz power supply panel is connected to an input end of described feed end track transformer by described inductance capacitance box, another mouth is connected to another input end of described feed end track transformer, the mouth of described feed end track transformer is connected to the input end of described feed end impedance transformer, the mouth of described feed end impedance transformer is connected to external orbital, a mouth of described 25Hz receptor is connected to an input end of described receiving end track transformer by described inductance capacitance box, another mouth is connected to another input end of described receiving end track transformer, the mouth of described receiving end track transformer is connected to the input end of described receiving end impedance transformer, and the mouth of described receiving end impedance transformer is connected to external orbital.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328727.2U CN204586920U (en) | 2015-05-20 | 2015-05-20 | A kind of inductance capacitance box and coding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520328727.2U CN204586920U (en) | 2015-05-20 | 2015-05-20 | A kind of inductance capacitance box and coding system |
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| CN204586920U true CN204586920U (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453298A (en) * | 2017-08-09 | 2017-12-08 | 安徽红桥金属制造有限公司 | A kind of sealed waterproof type multidirectional wiring box |
| CN107634484A (en) * | 2017-08-09 | 2018-01-26 | 安徽红桥金属制造有限公司 | A kind of terminal box with explosion prevention function |
-
2015
- 2015-05-20 CN CN201520328727.2U patent/CN204586920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453298A (en) * | 2017-08-09 | 2017-12-08 | 安徽红桥金属制造有限公司 | A kind of sealed waterproof type multidirectional wiring box |
| CN107634484A (en) * | 2017-08-09 | 2018-01-26 | 安徽红桥金属制造有限公司 | A kind of terminal box with explosion prevention function |
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