Power supply device for ground induction in railway locomotive signal machine

Abstract

A power supply device for ground sensing in a railway locomotive signal machine is characterized by comprising a one-way power supply module, the one-way power supply module is connected with a ground sensor in series, and the one-way power supply module is connected with a signal lamp power supply in parallel. According to the utility model, the designed one-way power supply module is used for replacing a transmission mode of a current transformer adopted in an original circuit, and compared with an original direct current output current transformer, the one-way power supply module is longer in service life, smaller in overall size and smaller in occupied space of a signal machine; the unidirectional power supply module supplies power to the ground inductor and is connected in parallel with the signal lamp power supply, so that the voltage of the ground inductor is not influenced by the power supply of the signal lamp in the prior art, stable output of the voltage is still maintained, and the stability of the voltage of the ground inductor is indirectly maintained; and when the signal lamp power supply still works normally, the voltage still can be stably output, and the stability of the ground induction voltage is indirectly maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway locomotive signal machine technical field especially relates to a railway locomotive signal machine in ground sense power supply device. BACKGROUND

[0002] In the locomotive shunting operation, the attendant needs to know the front shunting signal state in advance, so as to make corresponding response. The existing shunting signal lamp generally has two kinds of white light and blue light (red light), and the white light represents the passing signal, and the blue light (red light) represents the stop signal. In the train operation process, the shunting monitoring system is used, and in the case that there is no electrical connection and power supply with the station yard interlocking equipment and signal, the shunting signal state is transmitted to the locomotive without changing the original equipment structure, performance, technical index, and the corresponding instruction is sent into the LKJ through the LKJ, and the monitoring of the locomotive in the shunting operation and the single machine running operation is realized. The ground inductor device in the existing shunting monitoring system is used for collecting signal lamp state, and the signal can remind the attendant according to the blue and white light, but the circuit in the signal machine is connected in series through the signal lamp power supply, the current transformer, the ground inductor and the signal lamp. When the blue and white light fails and does not light, the normal use of the ground inductor in the shunting monitoring system is affected, the judgment of the operator is affected, and once the operator operates incorrectly, the accidents such as'rush, squeeze and fall off' are easy to occur, and the practicability of the prior art is reduced.

[0003] Therefore, the railway locomotive signal machine ground sensing power supply device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a railway locomotive signal machine ground sensing power supply device, which changes the current transformer transmission mode and adopts a new type of one-way power module, so that the signal machine and the shunting monitoring system ground inductor do not affect each other.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A railway locomotive signal machine ground sensing power supply device, characterized by comprising a one-way power module, the one-way power module is connected in series with the ground inductor, the one-way power module is connected in parallel with the signal lamp power supply,

[0007] The unidirectional power module comprises a unidirectional power body (U1), a resistor (R1), a first capacitor (C1), an inductor (L1), a second capacitor (C2), a third capacitor (C3) and an electrolytic capacitor (EC1), an alternating current connection end of the unidirectional power body (U1) is connected with a first port (P1) through the resistor (R1), an output voltage end of the unidirectional power body (U1) is connected with the first capacitor (C1), the first capacitor (C1) is connected in parallel with a diode (TVS1), one end of the first capacitor (C1) is connected with a second port (P2) through the inductor (L1), the other end of the first capacitor (C1) is grounded, and the second port (P2) is connected in parallel with the second capacitor (C2), the third capacitor (C3) and the electrolytic capacitor (EC1) respectively.

[0008] Specifically, the unidirectional unit body (U1) adopts LD03-23B09R2.

[0009] The utility model discloses a beneficial effect:

[0010] The utility model discloses a unidirectional power module to replace the transmission mode of current transformer used in the original circuit, compared with the original direct current output current transformer, the service life of unidirectional power module is longer, and the overall volume is smaller, and the space of occupying signal machine is less and simple to operate in construction and post -maintenance, and is not easy to damage, simple to operate in construction and post -maintenance,

[0011] The unidirectional power module of the utility model is used for power supply of ground inductor, and is connected in parallel with signal lamp power supply, so that the voltage of ground inductor is not influenced by signal lamp power supply, and the stable output of voltage is maintained, and the stable voltage of ground inductor is indirectly maintained. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the circuit schematic diagram of the power supply device for ground sensing in the railway locomotive signal machine of the utility model;

[0013] Figure 2 It is the circuit schematic diagram of the unidirectional power module of the power supply device for ground sensing in the railway locomotive signal machine of the utility model;

[0014] Figure 3 It is the front view schematic diagram of the unidirectional power module physical structure of the power supply device for ground sensing in the railway locomotive signal machine of the utility model;

[0015] Figure 4 It is the rear view schematic diagram of the unidirectional power module physical structure of the power supply device for ground sensing in the railway locomotive signal machine of the utility model

[0016] Figure 5 Figure 1 is a schematic diagram of the physical structure of an existing current transformer;

[0017] Figure 1 is a schematic diagram of the physical structure of an existing current transformer; DETAILED DESCRIPTION

[0018] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict. EMBODIMENT

[0021] As shown in the figure, the unidirectional power module 1 is connected in series with the ground sensor, the unidirectional power module is connected in parallel with the signal lamp power supply, the unidirectional power module comprises a unidirectional power main body (U1), a resistor (R1), a first capacitor (C1), an inductor (L1), a second capacitor (C2), a third capacitor (C3) and an electrolytic capacitor (EC1), the alternating current connection end of the unidirectional power main body (U1) is connected with the first port (P1) through the resistor (R1), the output voltage end of the unidirectional power main body (U1) is connected with the first capacitor (C1), the first capacitor (C1) is connected in parallel with a diode (TVS1), one end of the first capacitor (C1) is connected with the second port (P2) through the inductor (L1), the other end of the first capacitor (C1) is grounded, the second port (P2) is connected in parallel with the second capacitor (C2), the third capacitor (C3) and the electrolytic capacitor (EC1) respectively, wherein the unidirectional unit main body (U1) adopts LD03-23B09R2.

[0022] The utility model discloses a unidirectional power module 1 to replace the transmission mode of the current transformer used in the original circuit, and the current transformer in prior art is as shown in the figure. Figure 5 Compared with the original DC output current transformer, the service life of the unidirectional power module 1 is longer, and the physical structure diagram of the unidirectional power module 1 is as shown in the figures. Figure 3 Figure 4 The overall volume is small, and the space occupied by the installation signal machine is small.

[0023] The unidirectional power module 1 supplies power to the ground sensor, and is connected in parallel with the signal lamp power supply, so that the voltage of the ground sensor is no longer affected by the signal lamp power supply, and the stable output of the voltage is maintained, and the stability of the ground sensor voltage is indirectly maintained. If the signal lamp is damaged, the voltage can still be stably output when the signal lamp power supply is still working normally, the stability of the ground voltage is indirectly maintained, the problem of waste waiting time caused by signal lamp failure is prevented, and the purpose of ensuring normal train running is achieved.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The components mentioned in the utility model are common techniques in the prior art, which should be understood by those skilled in the art. The utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.​

Claims

1. A power supply device for ground inductors in railway locomotive signals, characterized in that... The single-way power module is connected in series with the ground inductor and is connected in parallel with the signal lamp power supply; The single-way power module comprises a single-way power body (U1), a resistor (R1), a first capacitor (C1), an inductor (L1), a second capacitor (C2), a third capacitor (C3) and an electrolytic capacitor (EC1). The AC connection end of the single-way power body (U1) is connected with the first port (P1) through the resistor (R1). The output voltage end of the single-way power body (U1) is connected with the first capacitor (C1). The first capacitor (C1) is connected in parallel with a diode (TVS1). One end of the first capacitor (C1) is connected with the second port (P2) through the inductor (L1). The other end of the first capacitor (C1) is grounded. The second port (P2) is connected in parallel with the second capacitor (C2), the third capacitor (C3) and the electrolytic capacitor (EC1) respectively.

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