CN203306042U

CN203306042U - Pulse choke transformer

Info

Publication number: CN203306042U
Application number: CN2013203153724U
Authority: CN
Inventors: 董忠; 潘广明; 纪金; 樊炳涛; 王俊杰; 吴晶晶; 赵红芳; 侯江薇; 杨柳; 朱明英; 马子敬
Original assignee: Gu'an Xintong Railway Signal Equipment Co Ltd
Current assignee: Gu'an Xintong Signal Technology Co ltd
Priority date: 2013-06-03
Filing date: 2013-06-03
Publication date: 2013-11-27
Anticipated expiration: 2023-06-03

Abstract

The utility model relates to a pulse choke transformer, comprising a traction coil, a signal coil, an antijamming coil, an iron core and a filter; the corresponding terminal and the non-corresponding end of the traction coil are respectively connected with a sending end and a receiving end in a traction circuit; the other non-corresponding end of the traction coil is electrically connected with one non-corresponding end of the traction coil in the next pulse choke transformer; the traction coil, the signal coil and the antijamming coil are respectively wound on the iron core; any two pins of all pins on the signal coil are respectively connected with a pulse sender and a pulse attenuator; and the filter is connected with the antijamming coil in series. The pulse choke transformer is capable of adjusting the size of output signals, reducing the influence of a 50Hz power frequency signal on the receiving end and improving the antijamming capacity on power frequency signals.

Description

A kind of pulse impedance transformer

Technical field

The utility model relates to a kind of railway signal apparatus, particularly a kind of pulse impedance transformer.

Background technology

In standing, there are problems in the asymmetrical impulse track circuit system at aspects such as solving track circuit shunting badness, the pulse impedance transformer that former asymmetric high-voltage pulse system is used, with the asymmetric high-voltage pulse track circuit of electronization, do not mate, in use the output signal voltage regulation stall is few, the 50Hz power frequency component is larger on the impact of receiving end, the poor situation of anti-power frequency component interference performance easily occurs.

The utility model content

Technical problem to be solved in the utility model be to provide a kind of can the regulation output signal size, reduce the 50Hz power frequency component on the impact of receiving end, improve the pulse impedance transformer of the ability that anti-power frequency component disturbs.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of pulse impedance transformer comprises hauling-eye, signal coil, disturbance rejection coil, iron core and filter;

The Same Name of Ends of described hauling-eye and a different name end respectively with track circuit in feed end with receiving end, be connected, a different name end of the hauling-eye in another different name end of hauling-eye and next pulse impedance transformer circuit is electrically connected to, described hauling-eye, signal coil and disturbance rejection coil are wound in respectively on iron core, any two pins on described signal coil in all pins are connected with the pulsed signal device with the impulse singla transmitter respectively, also are connected with filter on described disturbance rejection coil.

The beneficial effects of the utility model are: the size that the utility model can the regulation output signal, reduce the 50Hz power frequency component on the impact of receiving end, improve the ability that anti-power frequency component disturbs.

On the basis of technique scheme, the utility model can also be done following improvement.

Further, described filter comprises electric capacity and inductance, and described electric capacity and inductance are connected in series.

The rate of turn scope of described hauling-eye and described signal coil is 1～9.

The rate of turn scope of described hauling-eye and disturbance rejection coil is 7～18.

The accompanying drawing explanation

Fig. 1 is the utility model circuit structure diagram;

Fig. 2 is the utility model filter graph architecture.

In accompanying drawing, the list of parts of each label representative is as follows:

1, hauling-eye, the Same Name of Ends of 1a, hauling-eye, a different name end of 1b, hauling-eye, another different name end of 1c, hauling-eye, 2, signal coil, 2a, 2b, 2c, 2d, 2e, be a plurality of coupling ends of signal coil, 3, disturbance rejection coil, a plurality of coupling ends of 3a, 3b, 3c, disturbance rejection coil, 4, iron core, 5, filter.

The specific embodiment

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only be used to explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1, be the utility model circuit structure diagram; Fig. 2 is the utility model filter graph architecture.

Embodiment 1

A kind of pulse impedance transformer, comprise hauling-eye 1, signal coil 2, disturbance rejection coil 3, iron core 4 and filter 5;

The Same Name of Ends 1a of described hauling-eye 1 and a different name end 1b respectively with track circuit in feed end with receiving end, be connected, a different name end of the hauling-eye in another different name end 1c of hauling-eye 1 and next pulse impedance transformer circuit is electrically connected to, described hauling-eye 1, signal coil 2 and disturbance rejection coil 3 are wound in respectively on iron core 4, all pin (2a on described

signal coil

2, 2b, 2c, 2d, any two pins 2e) are connected with the pulsed signal device with the impulse singla transmitter respectively, on described disturbance rejection coil 3, also be connected with filter 5, three pin (3a of described disturbance rejection coil 3, 3b, two pin 3a 3c), 3b or 3a, the 3c electrical connection that is connected with two pins of filter respectively.

Described filter 5 comprises electric capacity and inductance, and described electric capacity and inductance are connected in series.

Described hauling-eye 1 is 1～9 with the rate of turn scope of described signal coil.

Described hauling-eye 1 is 7～18 with the rate of turn scope of disturbance rejection coil 3.

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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a pulse impedance transformer, is characterized in that: comprise hauling-eye (1), signal coil (2), disturbance rejection coil (3), iron core (4) and filter (5);

The Same Name of Ends (1a) of described hauling-eye (1) and a different name end (1b) respectively with track circuit in feed end with receiving end, be connected, a different name end of the hauling-eye in another different name end (1c) of hauling-eye (1) and next pulse impedance transformer circuit is electrically connected to, described hauling-eye (1), signal coil (2) and disturbance rejection coil (3) are wound in respectively on iron core (4), any two pins in the upper all pins of described signal coil (2) are connected with the pulse attenuator with pulse generator respectively, on described disturbance rejection coil (3), also be connected with filter (5).

2. pulse impedance transformer according to claim 1, it is characterized in that: described filter (5) comprises electric capacity and inductance, and described electric capacity and inductance are connected in series.

3. according to the arbitrary described pulse impedance transformer of claim 1 to 2, it is characterized in that: described hauling-eye (1) is 1～9 with the rate of turn scope of described signal coil.

4. according to the arbitrary described pulse impedance transformer of claim 1 to 2, it is characterized in that: described hauling-eye (1) is 7～18 with the rate of turn scope of disturbance rejection coil (3).