CN201234153Y

CN201234153Y - DC electric power cabinet controller

Info

Publication number: CN201234153Y
Application number: CNU2008201132807U
Authority: CN
Inventors: 朱剑华; 戴兵
Original assignee: SUZHOU LONGYUAN ELECTRIC POWER ENGINEERING CO LTD
Current assignee: SUZHOU LONGYUAN ELECTRIC POWER ENGINEERING CO LTD
Priority date: 2008-07-24
Filing date: 2008-07-24
Publication date: 2009-05-06
Anticipated expiration: 2018-07-24

Abstract

The utility model relates to a DC power cabinet controller, which comprises a processor module, a digital switch quantity input module connected with the input port of the processor module, a temperature detection module, a single battery voltage detection module, a current voltage output detection module, and a selection module for selectively outputting the detection result of each detection module, wherein the output terminals of the temperature detection module, the single battery voltage detection module and the current voltage output detection module are respectively electrically connected with the input terminals of a selector; the output terminal of the selection module is electrically connected with the input terminal of the processor module; and the processor module processes the signals inputted by the digital switch quantity input module and the selector and controls a breaker, a charger and a battery of the DC power cabinet through a bus interface according to the processed signals. The controller is more accurate and reliable in controlling the charger, etc., through the bus output data, so that the DC power cabinet controller has larger practicability.

Description

The DC power supply cabinet controller

Technical field

The utility model relates to a kind of control appliance of DC power cabinet.

Background technology

DC power cabinet is used for providing the controller switching equipment of stable DC electricity to power consumption equipment, it has two-way usually and exchanges the end of incoming cables, respectively with the circuit breaker that exchanges the end of incoming cables electrical connection, charger, storage battery, the combined floodgate of circuit breaker, the input of gate-dividing state control alternating current, when circuit breaker is in "on" position, alternating current is input in the charger and charges, and then by storage battery alternating current is converted to and to export load behind the direct current to power supply, storage battery generally includes a plurality of cells, in the DC power cabinet power supply process, often because the dropout of circuit breaker, battery temp exceeds, charger overshoot or owe to dash and power supply trouble occurs, therefore, be necessary in the DC power cabinet course of work, it to be monitored, and mostly existing controller is to adopt discrete component to realize, the equipment of its formation is bigger, and the control inaccuracy often causes the delay to fault judgement, thereby influences the useful life and the normal power supply of DC power cabinet.

The utility model content

The utility model purpose is to provide a kind of control accurate and comprehensive DC power supply cabinet controller in order to overcome the deficiencies in the prior art.

For achieving the above object, the technical solution adopted in the utility model is: a kind of DC power supply cabinet controller, described DC power cabinet comprises that two-way exchanges the end of incoming cables, exchanges circuit breaker, charger, the storage battery that the end of incoming cables is electrically connected with described respectively, described storage battery comprises a plurality of cells, and described controller comprises:

Processor module, it has a plurality of input ports and a plurality of output port and a plurality of bus interface;

The digital switch quantity input module, its output is connected with the input port of described processor module, and described digital switch quantity input module is used for to described processor module input control signal;

Temperature detecting module, it is used for gathering the ambient temperature of DC power cabinet storage battery;

The monomer battery voltage detection module, it is used for gathering the charged state of each cell of DC power cabinet;

Current/voltage output detection module, it is used to gather the output voltage electric current of charger and storage battery;

Select module, the output of described temperature detecting module, monomer battery voltage detection module, current/voltage output detection module is electrically connected with the input of selector respectively, the input of described selection module output and described processor module is electrically connected, and it is used for selectively exporting the testing result of each detection module;

Described processor module is handled the back according to the signal of digital switch quantity input module and selector input and by bus interface circuit breaker, charger, the storage battery of DC power cabinet is controlled.

Further, described controller also comprises display module, and a bus interface of described display module and processor module is electrically connected, and described display module is used to show the operating state of DC power cabinet.

Described controller comprises also with the bus interface of described processor module and communicates the remote monitoring module that is connected that described remote monitoring module is used for the teletransmission monitor data.

Described bus interface is the RS485 interface.

Described processor module also has the network interface card interface, and described network interface card interface is the RJ45 interface.

It also comprises the digital switch quantity output module, and the input of described digital switch quantity output module and the output of described processor module are electrically connected.

Described digital switch quantity output module is mainly set by a plurality of relays and is formed.

Because the utilization of technique scheme, the utility model compared with prior art has following advantage: the utility model is by the temperature monitoring module, the circuit breaker of monomer battery voltage monitoring modular and current/voltage output monitoring module monitors DC power cabinet, the state information of charger and storage battery, and each state information is sent into processor handle, processor is again by the functional unit of its bus interface output control data to each DC power cabinet, thereby adjust its operating state, with timely discharge fault, thereby prolonged the useful life of DC power cabinet, and because this controller is controlled charger etc. by the bus dateout, feasible control is more accurate, reliably, therefore, this DC power cabinet controller has bigger practicality.

Description of drawings

Accompanying drawing 1 is the utility model controller function block diagram;

Accompanying drawing 2 is the utility model controller electricity theory diagram;

Wherein: 1, processor module; 2, digital switch quantity input module; 3, temperature detecting module; 4, monomer battery voltage detection module; 5, current/voltage output detection module; 6, select module; 7, display module; 8, remote monitoring module; 9, digital switch quantity output module.

Embodiment

Below in conjunction with accompanying drawing, describe particular content of the present utility model in detail for example:

Controller as depicted in figs. 1 and 2, comprise a core processor module 1, the digital switch quantity input module 2 that is connected respectively with the input of processor module 1 and select module 6, digital switch quantity output module 9 that is connected with the output of processor module 1 and the display module 7 that is connected with the bus interface of processor module 1, remote monitoring module 8, select the input of module 6 to be connected with temperature detecting module 3 respectively, the output of monomer battery voltage detection module 4 and voltage of power output detection module 5 now is described in detail above-mentioned each functional module and principle:

Described processor module 1 is mainly realized by a microprocessor MCU, it has a plurality of input ports and a plurality of output port and bus interface, in the present embodiment, it is that AX11015, frequency are the processor of 100MHz that microprocessor adopts model, and it has three RS485 serial communication interfaces and a RJ45 network interface card interface;

Described digital switch quantity input module 2 is used for to processor module 1 input high-low level control signal, in the present embodiment, this digital switch quantity input module 2 mainly is made up of 16 way switch, 1 pair of each switch of processor module carries out serialization, therefore, when the switch opens on a certain road or close, processor module 1 can receive control signal and handle accordingly;

Described digital switch quantity output module 9 and digital switch quantity module 2 functions reversed, in the present embodiment, it also has 16 way switch, each way switch and the corresponding connection of the output port of processor, thereby the different output port output high-low levels of processor are controlled the switch closure on the corresponding way, and the switch of described digital switch quantity input module 2 and digital switch quantity output module 9 also can be realized by relay;

Described temperature detecting module 3 mainly comprises temperature sensor, and this temperature sensor is used to gather the temperature of storage battery in the DC power cabinet, and in the present embodiment, temperature detecting module 3 has the two-way output port;

Described monomer battery voltage module 4 is used for gathering the charged state of each cell of storage battery, with detect battery charge whether too high, low with excessivelying, owe towards or break down etc., this monomer battery voltage module 4 can detect the direct voltage of 16 road or 36 road 0-20V;

Described current/voltage output detection module 5 is used to gather the output current or the voltage of storage battery and charger;

Select the corresponding connection of output port of input port with said temperature detection module 3, monomer battery voltage module 4 and the current/voltage output detection module 5 of module 6, after changing, the analog signal of selecting 6 pairs of above-mentioned each modules of module to import inputs in the processor module 1, thereby control data is handled and exported to processor module 1 according to the detection information of its input, and control data inputs to DC power cabinet by a RS485 interface of processor.In the present embodiment, select module 6 to comprise two 30 alternative chips, the output of each chip is connected with an A/D converter respectively, digital signal after the conversion inputs in the processor through data/address bus, simultaneously, processor also can be by the output signal of channel selecting control bus control selector;

Described display module 7 and remote monitoring module 8 are connected with the RS485 bus interface of processor respectively, and display module 7 is used for showing in real time the operating state of DC power cabinet, so that the monitor staff in time discharges fault; Remote monitoring module 8 is used to realize data remote, thereby reaches the purpose of remote control, remote measurement, remote signalling, remote regulating DC power cabinet.

Therefore, the utility model controling appliance has following function:

1, can exchange primary voltage to DC power cabinet two tunnel gathers;

2, can control DC power cabinet charging voltage, electric current inlet wire;

3, can gather the temperature of DC power cabinet battery, and according to temperature battery charging be controlled System;

4, can carry out communication with the monitoring interface of DC power cabinet, all parameters of DC power cabinet are being supervised Show on the visual interface. And can carry out by monitoring interface the setting of parameter;

5, can monitor the DC power cabinet whole system, fault-signal is reported to the police and teletransmission.

It has stability better, advantage that reliability is higher, and it is simple to operate, it is more convenient, right to arrange The duty Real-Time Monitoring of DC power cabinet has guaranteed the service life of DC power cabinet.

Claims

1, a kind of DC power supply cabinet controller, described DC power cabinet comprises that two-way exchanges the end of incoming cables, exchanges circuit breaker, charger, the storage battery that the end of incoming cables is electrically connected with described respectively, described storage battery comprises a plurality of cells, it is characterized in that: described controller comprises:

Processor module (1), it has a plurality of input ports and a plurality of output port and a plurality of bus interface;

Digital switch quantity input module (2), its output is connected with the input port of described processor module (1), and described digital switch quantity input module (2) is used for to described processor module (1) input control signal;

Temperature detecting module (3), it is used for gathering the ambient temperature of DC power cabinet storage battery;

Monomer battery voltage detection module (4), it is used for gathering the charged state of each cell of DC power cabinet;

Current/voltage output detection module (5), it is used to gather the output voltage electric current of charger and storage battery;

Select module (6), the output of described temperature detecting module (3), monomer battery voltage detection module (4), current/voltage output detection module (5) is electrically connected with the input of selecting module (6) respectively, the input of described selection module (6) output and described processor module (1) is electrically connected, and it is used for selectively exporting the testing result of each detection module;

Described processor module (1) is handled the back according to the signal of digital switch quantity input module (2) and selection module (6) input and by bus interface circuit breaker, charger, the storage battery of DC power cabinet is controlled.

2, DC power supply cabinet controller according to claim 1, it is characterized in that: described controller also comprises display module (7), described display module (7) is electrically connected with a bus interface of processor module (1), and described display module (7) is used to show the operating state of DC power cabinet.

3, DC power supply cabinet controller according to claim 1, it is characterized in that: described controller comprises also with the bus interface of described processor module (1) and communicates the remote monitoring module (8) that is connected that described remote monitoring module (8) is used for the teletransmission monitor data.

4, DC power supply cabinet controller according to claim 1 is characterized in that: described bus interface is the RS485 interface.

5, DC power supply cabinet controller according to claim 1 is characterized in that: described processor module (1) also has the network interface card interface.

6, DC power supply cabinet controller according to claim 5 is characterized in that: described network interface card interface is the RJ45 interface.

7, DC power supply cabinet controller according to claim 1 is characterized in that: it also comprises digital switch quantity output module (9), and the output of the input of described digital switch quantity output module (9) and described processor module (1) is electrically connected.

8, DC power supply cabinet controller according to claim 7 is characterized in that: described digital switch quantity output module (9) is mainly set by a plurality of relays and is formed.