Backoff device of APM power monitoring system

Abstract

The utility model discloses a switching device of an APM power monitoring system, and belongs to the field of APM control. The device comprises trackside power supply equipment, a switching circuit, a first APM power monitoring system and a second APM power monitoring system, the trackside power supply equipment is connected with the input end of the switching circuit, and the output end of the switching circuit is connected with the first APM power monitoring system and the second APM power monitoring system. According to the utility model, during the transformation period of the old APM system, the normal operation of the old APM system is ensured, and meanwhile, the transformation task of a new system can be completed according to project requirements.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the APM control field, specifically, the utility model relates to a kind of APM electric power monitoring system's reverse cutting device. BACKGROUND

[0002] APM (Automated People Mover System), namely automatic passenger rapid transit system, is a kind of unmanned automatic driving, three-dimensional crossing mass transit system, and is a kind of urban rail transit line system.

[0003] Traditional APM system, for example, the APM-300 turnout monitoring system disclosed in the comparative document (CN218728720U), all uses PLC (Programmable Logic Controller) to monitor various data on track, especially power supply data.

[0004] In recent years, with the continuous development of APM technology and the increasing demand of urban traffic, the APM system established in early years gradually cannot adapt to the demand of now, so it is necessary to reform the old APM system, especially to update the original power monitoring system (such as old PLC), but during the reform, the power monitoring system of old APM system should also meet the operation requirements of APM system, which requires power monitoring to consider the reverse cutting of new and old systems, at the same time, the reverse cutting scheme should also be simple, safe and convenient according to the actual situation of existing equipment on site.

[0005] Therefore, the present application proposes a kind of APM electric power monitoring system's reverse cutting device, by increasing control circuit in each power distribution room cabinet to realize the reverse cutting demand of new and old systems. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the deficiency of prior art, and proposes a kind of APM electric power monitoring system's reverse cutting device, to achieve the following purposes: during the reform of old APM system, through the reverse cutting device of the present application, ensure the normal operation of old APM system, and also can complete the reform task of new system according to project requirements.

[0007] In order to achieve the above purpose, the utility model takes the technical scheme as follows: a kind of APM electric power monitoring system's reverse cutting device, the device includes trackside power supply equipment, reverse cutting circuit, first APM electric power monitoring system, second APM electric power monitoring system, wherein, the trackside power supply equipment is connected with the input end of the reverse cutting circuit, the output end of the reverse cutting circuit is connected with the first APM electric power monitoring system, second APM electric power monitoring system respectively.

[0008] Preferably, the reverse cut circuit comprises a double-in double-out reverse terminal, wherein any incoming line end of the double-in double-out reverse terminal is connected with the wayside power supply device, and the other incoming line end serves as a backup; a first outgoing line end of the double-in double-out reverse terminal is connected with the first APM power monitoring system, and a second outgoing line end is connected with the second APM power monitoring system.

[0009] Preferably, a first air switch is connected in series between the first outgoing line end of the double-in double-out reverse terminal and the first APM power monitoring system; and a second air switch is connected in series between the second outgoing line end of the double-in double-out reverse terminal and the second APM power monitoring system.

[0010] Preferably, all the air switches are single-control air switches.

[0011] Preferably, the double-in double-out reverse terminal and all the air switches are arranged in the power distribution room cabinet.

[0012] Preferably, the power distribution room cabinet further comprises a signal switching interface, which is connected with the first APM power monitoring system and the second APM power monitoring system in communication, and is used for realizing information exchange between the first APM power monitoring system and the second APM power monitoring system.

[0013] Preferably, the first APM power monitoring system is an automatic screen cabinet.

[0014] Preferably, the second APM power monitoring system is a PLC.

[0015] The technical effects of the present application are as follows: (1) The present application has simple structure, is safe and convenient to operate, and reduces the cost of new system transformation. (2) The data of the old power monitoring system (such as PLC) is exchanged with the newly added automatic screen cabinet through the interface in the power distribution room cabinet, and the data reverse cut of the new and old systems is realized. (3) The power distribution room cabinet of the present application realizes the reverse cut power supply of the new and old power monitoring systems through the configuration of the reverse cut circuit. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structure diagram of an APM power monitoring system reverse cut device according to an embodiment of the present application. DETAILED DESCRIPTION

[0017] The specific embodiments of the utility model are further explained in detail below with reference to the drawings and the description of the embodiments, which aims to help the skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical scheme of the utility model, and to help its implementation. It should be noted that the words "first", "second" and the like in the present application are only for the convenience of describing the technical scheme to distinguish different components, and do not limit the present application. In order to make the technical scheme of the utility model more clear, the utility model is explained and described by the following embodiments.

[0018] The embodiment provides a kind of APM power monitoring system's cutback device, as shown in it, the device includes trackside power supply equipment, cutback circuit, first APM power monitoring system, second APM power monitoring system, wherein the trackside power supply equipment is connected with the input end of the cutback circuit, the output end of the cutback circuit is connected with the first APM power monitoring system, second APM power monitoring system respectively. Figure 1

[0019] Specifically, in the embodiment, the first APM power monitoring system is the automation screen cabinet newly added after APM system update and reconstruction, and the automation screen cabinet usually integrates advanced control system, can realize intelligent monitoring and control, supports automation operation, reduces manual intervention, improves the reliability and stability of APM power monitoring system. The second APM power monitoring system of the embodiment is the control center of old APM system, usually PLC. Before APM system update and reconstruction is not completed, it still needs to rely on the control center of old APM system to operate.

[0020] In order to provide the output power supply of trackside power supply equipment for the new and old systems represented by automation screen cabinet and PLC, the cutback circuit is provided in the embodiment, so as to realize the control of new and old system cutback.

[0021] Specifically, the cutback circuit of the embodiment includes double-in double-out reverse connection terminal. Wherein, any incoming line end of the double-in double-out reverse connection terminal is connected with the trackside power supply equipment;The other incoming line end is used as backup, and when trackside power supply equipment power supply is abnormal, backup power supply can be accessed. The first outgoing line end of the double-in double-out reverse connection terminal is connected with the first APM power monitoring system, i.e. automation screen cabinet, and the second outgoing line end is connected with the second APM power monitoring system, i.e. PLC.

[0022] Further, first air switch is connected in series between the first outgoing line end of the double-in double-out reverse connection terminal and the first APM power monitoring system;Second air switch is connected in series between the second outgoing line end of the double-in double-out reverse connection terminal and the second APM power monitoring system. In order to wiring and operation, simplify the structure of device, the double-in double-out reverse connection terminal and all air switches are arranged in distribution room cabinet.​

[0023] In order to avoid that the linkage air switch cannot work due to the fault, all the air switches are single control air switches.

[0024] According to the reverse cut circuit, when the AC 200V power supply is output from the trackside power supply device to the double-in double-out reverse connection terminal, if the automation screen cabinet is powered, the first air switch is closed and the second air switch is disconnected; on the contrary, if the PLC is powered, the second air switch is closed and the first air switch is disconnected.

[0025] The signal switching interface is further arranged in the power distribution room cabinet, so that the power distribution room cabinet serves as a signal switching cabinet, the signal switching interface is in communication connection with the first APM power monitoring system and the second APM power monitoring system respectively, and information exchange between the first APM power monitoring system and the second APM power monitoring system is realized, so that the data updating and control function of the first APM power monitoring system, i.e. the automation screen cabinet, is gradually improved, and the reform task is promoted.

[0026] The embodiment has the advantages of simple structure, safety and convenient operation, does not need complex facilities or circuits, can meet the operation demand while realizing the reform task of the old system, reduces the reform cost of the new system, effectively reduces the safety risk of construction and operation, and has certain reference value for the execution of similar reform projects.

[0027] The utility model is described above with reference to the drawings. Obviously, the specific implementation of the utility model is not limited by the above method. As long as various non-essential improvements are made by using the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A switching device for an APM power monitoring system, characterized in that: The device comprises a trackside power supply device, a reverse cut circuit, a first APM power monitoring system and a second APM power monitoring system, wherein the trackside power supply device is connected with the input end of the reverse cut circuit, and the output end of the reverse cut circuit is connected with the first APM power monitoring system and the second APM power monitoring system respectively.

2. The apparatus according to claim 1, wherein: The reverse cut circuit comprises a double-in double-out reverse connection terminal, wherein any incoming line end of the double-in double-out reverse connection terminal is connected with the trackside power supply device, and the other incoming line end is used as a backup; the first outgoing line end of the double-in double-out reverse connection terminal is connected with the first APM power monitoring system, and the second outgoing line end is connected with the second APM power monitoring system.

3. An APM power monitoring system switchover apparatus according to claim 2, wherein: A first air switch is connected in series between the first outgoing line end of the double-in double-out reverse connection terminal and the first APM power monitoring system; and a second air switch is connected in series between the second outgoing line end of the double-in double-out reverse connection terminal and the second APM power monitoring system.

4. An APM power monitoring system switchover apparatus according to claim 3, wherein: All the air switches are single-control air switches.

5. The apparatus according to claim 3, wherein: the APM power monitoring system is a power monitoring system for an APM. The double-in double-out reverse connection terminal and all the air switches are arranged in a power distribution room cabinet.

6. An APM power monitoring system switchover apparatus according to claim 5, wherein: A signal switching interface is further arranged in the power distribution room cabinet, and the signal switching interface is communicatively connected with the first APM power monitoring system and the second APM power monitoring system, so as to realize information exchange between the first APM power monitoring system and the second APM power monitoring system.

7. An APM power monitoring system switchover apparatus according to any one of claims 1 to 6, wherein: The first APM power monitoring system is an automatic screen cabinet.

8. A switchover device for an APM power monitoring system according to any one of claims 1 to 6, characterized in that: The second APM power monitoring system is a PLC.

Images