CN217956766U - Subway platform shield door drive and control electrical power generating system - Google Patents

Abstract

The utility model discloses a subway platform shield door driving and control power supply system, which comprises a double-circuit power supply switching device, a charging module, an alternating current monitoring unit, a direct current monitoring unit, a battery pack, a battery inspection unit, an inversion module, a bypass module and a main monitoring unit; a ground double-circuit AC380V power supply is input into the charging module through the double-circuit power supply switching device, and the DC110V output of the charging module is respectively connected with the battery pack, the inversion module and the separation and combination driving system of the subway shielding door; the ground AC220V power supply and the output of the inversion module are connected with the bypass module, and the AC220V output of the bypass module is connected with the switching control system of the subway shield door. The redundancy of a power supply system is realized by the technologies of automatic switching of double-circuit power supplies, automatic current sharing of multiple modules, battery health management, upper computer monitoring and the like, and the reliability of the power supply system is ensured.

Description

Subway platform shield door drive and control electrical power generating system

Technical Field

The utility model relates to a shield door drive and control power supply's redundancy especially relates to a subway platform shield door drive and control power supply system.

Background

The subway platform screen door driving and controlling power supply system supplies power to the subway platform screen door driving and controlling system, and has high requirements on the reliability of the subway platform screen door driving and controlling power supply system due to the fact that the passenger flow of a subway station is large, and the number of trains entering and leaving the station is frequent in the morning and evening.

The existing power supply system only supports partial redundancy, and the reliability of the system is low, so that the actual requirement cannot be met.

In view of this, the utility model discloses it is special.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a subway platform shield door drive and control electrical power generating system to solve the above-mentioned technical problem who exists among the prior art.

The utility model aims at realizing through the following technical scheme:

the utility model discloses a subway platform shield door drive and control power supply system, including double-circuit power switching device, charging module, interchange monitoring unit, direct current monitoring unit, group battery, battery patrol and examine unit, contravariant module, bypass module and main monitoring unit;

a ground double-circuit AC380V power supply is input into the charging module through the double-circuit power supply switching device, and the DC110V output of the charging module is respectively connected with the battery pack, the inversion module and the separation and combination driving system of the subway shielding door;

the ground AC220V power supply and the output of the inverter module are connected with the bypass module, and the AC220V output of the bypass module is connected with the switching control system of the subway shield door.

Compared with the prior art, the utility model provides a subway platform shield door drive and control electrical power generating system, through double-circuit power automatic switch-over, the multimode is automatic flow equalizes, and technologies such as battery health management and upper computer control realize power supply system's redundancy, guarantee electrical power generating system's reliability.

Drawings

Fig. 1 is a structural block diagram of a driving and controlling power supply system of a subway platform screen door provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a communication circuit according to an embodiment of the present invention;

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention; it is to be understood that the embodiments described are only some embodiments, not all embodiments, and are not to be construed as limiting the invention. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms that may be used herein are first described as follows:

the term "and/or" means that either or both can be achieved, for example, X and/or Y means that both cases include "X" or "Y" as well as three cases including "X and Y".

The terms "comprising," "including," "containing," "having," or other similar terms of meaning should be construed as non-exclusive inclusions. For example: including a feature (e.g., material, component, ingredient, carrier, formulation, material, dimension, part, component, mechanism, device, process, procedure, method, reaction condition, processing condition, parameter, algorithm, signal, data, product, or article of manufacture), is to be construed as including not only the particular feature explicitly listed but also other features not explicitly listed as such which are known in the art.

The term "consisting of 823070 \8230composition" means to exclude any technical characteristic elements not explicitly listed. If used in a claim, the term shall render the claim closed except for the inclusion of the technical features that are expressly listed except for the conventional impurities associated therewith. If the term occurs in only one clause of the claims, it is defined only to the elements explicitly recited in that clause, and elements recited in other clauses are not excluded from the overall claims.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured," etc., are to be construed broadly, as for example: can be fixedly connected, can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.

The terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship that is indicated based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description only, and are not intended to imply or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting herein.

Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art. The embodiment of the present invention does not indicate specific conditions, and the operation is performed according to the conventional conditions in the field or the conditions suggested by the manufacturer. The reagent or the instrument used in the embodiment of the utility model does not indicate the manufacturer, and is a conventional product which can be purchased and obtained through market.

The utility model discloses a subway platform shield door drive and control electrical power generating system, including double-circuit power switching device, charge module, interchange monitoring unit, direct current monitoring unit, group battery, battery patrol and examine unit, contravariant module, bypass module and main monitoring unit;

a ground double-circuit AC380V power supply is input into the charging module through the double-circuit power supply switching device, and the DC110V output of the charging module is respectively connected with the battery pack, the inversion module and the separation and combination driving system of the subway shielding door;

the ground AC220V power supply and the output of the inverter module are connected with the bypass module, and the AC220V output of the bypass module is connected with the switching control system of the subway shield door.

The charging module, the inversion module, the alternating current monitoring unit, the direct current monitoring unit and the battery inspection unit are connected with each other through an RS485 communication bus and connected with the main monitoring unit, and the main monitoring unit is connected with the remote monitoring center through an RS232 interface.

The charging module and the inversion module respectively comprise a plurality of modules connected in parallel.

The battery pack is provided with a temperature adjustment unit.

The double-circuit power supply switching device comprises two input contactors and a detection relay.

To sum up, the utility model discloses subway platform shield door drive and control electrical power generating system, at input power failure, rectifier module damages, and inverter module damages, under the fault condition such as battery performance descends, the redundant design of accessible system self guarantees that the system reliably works.

In order to show the technical solutions and the technical effects provided by the present invention more clearly, the following detailed description is provided in the embodiments of the present invention with specific embodiments.

Example 1

As shown in fig. 1 and 2:

the utility model adopts the technical proposal that:

1. double-circuit power switching device: a ground double-path AC380V power supply is simultaneously sent into a power cabinet, an uninterruptible power supply is provided for a charging module through a double-power automatic switching device, the double-power automatic switching device supplies power from a first path when the first path of power supply is normal, and if the first path of power supply fails, the double-power automatic switching device automatically switches to a second path of power supply.

2. The charging circuit consists of 6 groups of AC380V/DC110V charging modules, the rated output current of each module is 2.2kW, the designed rated output power of the whole charging circuit is 10kW,6 groups of modules run in parallel, and the load is automatically equalized. The charging circuit damages any one of the modules, and the damaged module automatically exits the system without affecting the normal output of the charging circuit.

3. The battery cabinet comprises 8 groups of 12V/100AH batteries and a battery inspection unit, the battery pack is in a floating charge state under the normal working condition of the charging module, when the battery pack outputs the driving, the charging output and the battery pack can provide 2 times of rated current output for driving in a short time, the high-current starting characteristic of a motor of a driving system is met, the battery inspection unit detects the voltage and the temperature of each battery in real time, the health state of the battery is judged, and when the performance of the battery is reduced, alarm information is output to prompt the replacement of the battery with reduced performance.

4. The DC110V output drives the redundant function implementation mode, when the 1-way AC380V power supply on the ground fails, the redundancy is realized through the double-power-supply automatic switching device; when two paths of ground AC380V power supply simultaneously fail, the battery pack maintains the driving system to work for 2-3 times;

when 1-3 modules of the charging circuit have output faults, the power supply system of the driving system is maintained to work through the modules and the battery pack which work normally; when the number of the charging circuit fault modules is more than 3, the battery pack maintains the driving system to work for 5-6 times; when the performance of the battery is reduced, the battery inspection unit finds the battery with the reduced performance in real time.

5. Inverter circuit

The inverter circuit consists of 3 groups of DC110/AC220 inverter modules, the output power of each module is 2kW, the designed rated output power of the whole inverter circuit is 4kW,3 groups of modules run in parallel, the phases are automatically synchronized, the inverter circuit damages any one module, the damaged module automatically exits from the system, and the normal work of the inverter circuit is not influenced.

6. The AC220 output controls the implementation mode of the redundancy function, when 1 module of the inverter circuit has output faults, the normal work of the control system is maintained through the module which works normally; when the inverter circuit damages more than 1 module, automatically switch to ground AC220 power through the bypass module, supply power for control system by ground AC220V power.

Please refer to fig. 1:

a subway platform shielding door driving and controlling power supply device comprises a double-circuit power supply switching device, a charging module, an alternating current monitoring unit, a direct current monitoring unit, a battery pack, a battery inspection unit, an inversion module, a bypass module and a main monitoring unit. A ground double-circuit AC380V power supply is input into the charging module through the double-circuit power supply switching device, the output of the charging module is connected with the battery pack to provide power input for the driving system and the inversion module, and the DC110V output drives the driving system connected with the subway shield door to drive the shield door to be separated and combined. The ground AC220V and the output of the inversion module are connected with the bypass module, and the output of the bypass module provides power for the shielding door control system.

Referring to fig. 2:

the charging module, the contravariant module, exchange the monitoring unit, direct current monitoring unit, the battery patrol and examine the unit and be connected with main monitoring unit through RS485 communication bus, and real-time detection exchanges input, the output that charges, information such as battery state upload to main monitoring unit, and main monitoring unit passes through the RS232 interface and uploads these information to the host computer, realizes the remote monitoring of system.

Input voltage AC380V double-circuit automatic switch-over, RS485 MODBUS communication bus, DC110V voltage level motor drive output, rectification and contravariant module accessible increase module number dilatation, the automatic current-sharing of parallelly connected module output, the battery pack charge management, through the charging current of group battery temperature regulation battery, group battery state automatic monitoring, 7 cun monitoring unit carries out the information interaction through RS232 and management computer lab.

When the input voltage of 1 path is abnormal, the input voltage is automatically switched to the input of the other path through the two input contactors and the detection relay.

The system comprises a rectification module, an inversion module, a direct current monitoring unit, an alternating current monitoring unit, a battery monitoring module and a monitoring module, wherein the RS485 MODBUS bus is adopted for realizing data interaction. And the interference resistance is high by adopting differential communication.

The multi-module capacity expansion and automatic flow equalization technology has the advantages that the output power of a single module of a rectifier module is 20kW, the output power is 100kW through the automatic flow equalization of 5 modules in parallel connection, the power of a single module of an inverter module is 2kW, and the output power is 6kW through the automatic flow equalization and synchronous phase of 3 modules in parallel connection. The output of the rectification module is automatically equalized, and the output of the inversion module is automatically equalized and phase-synchronized.

And the battery monitoring module is used for detecting the voltage and the temperature of each battery, judging the health state of a single module in real time and detecting the voltage and the temperature of the single battery of the battery pack.

The monitoring module reserves an RS232 upper computer communication interface, so that the upper computer can set the operation parameters and query the state information of the whole power supply system, and the upper computer can drive the platform screen door and control the power supply system.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims (5)

1. A power supply system for driving and controlling a shield door of a subway platform is characterized by comprising a double-circuit power supply switching device, a charging module, an alternating current monitoring unit, a direct current monitoring unit, a battery pack, a battery inspection unit, an inversion module, a bypass module and a main monitoring unit;

a ground double-circuit AC380V power supply is input into the charging module through the double-circuit power supply switching device, and the DC110V output of the charging module is respectively connected with the battery pack, the inversion module and the separation and combination driving system of the subway shielding door;

and the ground AC220V power supply and the output of the inversion module are connected with the bypass module, and the AC220V output of the bypass module is connected with the opening and closing control system of the subway shielded door.

2. The power supply system for driving and controlling the screen door of the subway platform according to claim 1, wherein the charging module, the inverter module, the alternating current monitoring unit, the direct current monitoring unit and the battery inspection unit are connected with each other through an RS485 communication bus and connected with the main monitoring unit, and the main monitoring unit is connected with a remote monitoring center through an RS232 interface.

3. A subway platform screen door driving and controlling power supply system as claimed in claim 1 or 2, wherein said charging module and said inverting module respectively comprise a plurality of modules connected in parallel.

4. A subway platform screen door driving and controlling power supply system as claimed in claim 1 or 2, wherein said battery pack is provided with a temperature adjusting unit.

5. A subway platform screen door driving and controlling power supply system as claimed in claim 1 or 2, wherein said two-way power switching means comprises two input contactors and a detection relay.

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