CN209448426U - A kind of direct current cabinet - Google Patents

Abstract

The utility model discloses a kind of direct current cabinets, including charging module M1, charging module M2, EMU01MC monitoring M3, inverter GY, battery pack BAT, charging current table PA1, current divider FL1, current divider FL2, the female voltmeter PV1 of conjunction, load current table PA2 and controlling voltage table PV2.This direct current cabinet, EMU01MC monitor M3 to AC power source sampling analysis, can monitor whether input power is in normal value in real time, using charging module M1 and charging module M2 as pre- stand-by power source, can guarantee to power when power is off, improve the stability of circuit work；By access charging current table PA1, current divider FL1, current divider FL2, close female voltmeter PV1, load current table PA2 and controlling voltage table PV2, can real-time monitoring respectively hold and whether work normally, guarantee that circuit works normally；Overall work is stablized, and can be monitored in real time to working condition, it is ensured that is in normal operating conditions.

Description

A kind of direct current cabinet

Technical field

The utility model relates to electrical technology field, specially a kind of direct current cabinet.

Background technique

Direct current cabinet is the abbreviation of DC operation power supply system, and the electric operation power in power station and substation uses now Be all DC power supply, it for control load and living load and direct current phalanges lighting load etc. power supply is provided, direct current cabinet is big Certain applications place is that problem occurs for a unattended single device of buying, and cannot find and handle in time, give power system security Operation brings threat, therefore becomes particularly important to the monitoring of direct current cabinet working condition, understands the working condition of direct current cabinet in real time, It can discover problems and solve them in time, improve the stability and safety of work, be based on this, propose a kind of direct current cabinet.

Utility model content

The purpose of this utility model is to provide a kind of direct current cabinets, have the operation is stable, can carry out in real time to working condition Monitoring, it is ensured that the advantages of being in normal operating conditions, solving in the prior art can not in real time be monitored working condition Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of direct current cabinet, including charging module M1, Charging module M2, EMU01MC monitor M3, inverter GY, battery pack BAT, charging current table PA1, current divider FL1, current divider FL2, the terminal U, the terminal V that close female voltmeter PV1, load current table PA2 and controlling voltage table PV2, the charging module M1 and Terminal W is sequentially connected in series corresponding terminal A, the terminal B, terminal for connecing alternating source after three-phase power switch Q2 and three-phase power switch Q1 C；After terminal U, terminal V and the terminal W of the charging module M2 is sequentially connected in series three-phase power switch Q3 and three-phase power switch Q1 The corresponding terminal A, terminal B, terminal C for connecing alternating source；The terminal AC and terminal IN of the inverter GY is sequentially connected in series two-phase The corresponding terminal A and terminal N for connecing alternating source after power switch Q4 and three-phase power switch Q1, the terminal DC of inverter GY and Terminal IN connects the P+ terminal and P- terminal of EMU01MC monitoring M3 respectively；The end CAN- of the charging module M1 and charging module M2 Son connects the CL+ terminal of EMU01MC monitoring M3, and the CAN+ terminal of charging module M1 and charging module M2 connect EMU01MC monitoring M3's CL- terminal；The OUT+ terminal of the charging module M1 and charging module M2 takes over control anti-diode SQR1 and meets two-phase power supply switch Q5, The foot 2 of two-phase power supply switch Q5 concatenates the output end that fuse FU1 and two-phase power supply switch Q6 meets battery pack BAT, two-phase power supply The foot 4 of switch Q5 concatenates the input terminal that fuse FU2, current divider FL1 and two-phase power supply switch Q6 meet battery pack BAT, battery pack The positive and negative anodes concatenation two-phase power supply switch Q8 output of BAT, the foot 1 of two-phase power supply switch Q8 concatenate two-phase power supply switch Q9 and connect EMU01MC monitors the VB+ terminal of M3, and the foot 3 of two-phase power supply switch Q8 concatenates two-phase power supply switch Q9 and connects EMU01MC monitoring M3's VB4- terminal；The foot 3 of the current divider FL1 connects the IB+ terminal of EMU01MC monitoring M3, and the foot 4 of current divider FL1 connects EMU01MC prison The IB- terminal for controlling M3, between the foot 3 and foot 4 of current divider FL1 and meets charging current table PA1；The terminal L of the charging current table PA1 Engage the terminal L of female voltmeter PV1, load current table PA2 and controlling voltage table PV2, the terminal N engagement of charging current table PA1 The terminal N of female voltmeter PV1, load current table PA2 and controlling voltage table PV2；The anode for closing female voltmeter PV1 connects fusing The output end of device FU1, the cathode for closing female voltmeter PV1 connect the output end of fuse FU2；The anode of the load current table PA2 The output end that current divider FL2 meets fuse FU2 is connect, the cathode concatenation current divider FL2 of load current table PA2 connects EMU01MC monitoring The VK- terminal of M3；The anode of the controlling voltage table PV2 concatenates the output that automatic silicon chain voltage regulating device G meets fuse FU1 End, the VK+ terminal of the output termination EMU01MC monitoring M3 of automatic silicon chain voltage regulating device G, the cathode of controlling voltage table PV2 Connect the VK+ terminal of EMU01MC monitoring M3.

Preferably, the output of the VK+ terminal and VK- terminal of the EMU01MC monitoring M3 is terminated with two-phase power supply switch QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase power supply switch QK5, two-phase power supply The comprehensive control screen of output termination 1# of switch QK6 and two-phase power supply switch QK7, two-phase power supply switch QK1, two-phase power supply switch QK2's The comprehensive control screen of output termination 2#, the output of two-phase power supply switch QK3 terminate 1# governor, the output termination of two-phase power supply switch QK4 2# governor, the output of two-phase power supply switch QK5, which terminates, shares LCU, the output termination control mother spare 1 of two-phase power supply switch QK6, The output termination control mother spare 2 of two-phase power supply switch QK7.

Preferably, the NA terminal concatenation three-phase power switch Q3 of the EMU01MC monitoring M3 meets the terminal A of AC power source, The terminal B, EMU01MC that the NB terminal concatenation three-phase power switch Q3 of EMU01MC monitoring M3 connects AC power source monitor the end NC of M3 Substring meets the terminal C that three-phase power switch Q3 connects AC power source.

Preferably, the charging module M1 is identical as the model of charging module M2.

Preferably, the output end of the AC terminal of the inverter GY and OUT terminal and be connected to two-phase power supply switch QN1, Station, two-phase power supply are controlled in the output termination of two-phase power supply switch QN2 and two-phase power supply switch QN3, two-phase power supply switch QN1 The output end of switch QN2 and two-phase power supply switch QN3 are picked out as stand-by AC.

Compared with prior art, the beneficial effects of the utility model are as follows:

This direct current cabinet, EMU01MC monitor M3 to AC power source sampling analysis, can monitor whether input power is in just in real time In constant value, by using charging module M1 and charging module M2 as pre- stand-by power source, it can guarantee to power when power is off, improve electricity The stability of road work；By access charging current table PA1, current divider FL1, current divider FL2, close female voltmeter PV1, load electricity Flow table PA2 and controlling voltage table PV2, can real-time monitoring respectively hold and whether work normally, guarantee that circuit works normally, pass through selectivity It is closed two-phase power supply switch QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase power supply The i.e. accessible power supply of switch QK5, two-phase power supply switch QK6 or two-phase power supply switch QK7 is different operating power elements；Whole work Work is stablized, and can be monitored in real time to working condition, it is ensured that is in normal operating conditions.

Detailed description of the invention

Fig. 1 is the main schematic diagram of the utility model；

Fig. 2 is that the charging module of the utility model and EMU01MC monitor M3 and connect circuit diagram；

Fig. 3 is the device work wiring diagram of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of direct current cabinet, including charging module M1, charging module M2, EMU01MC monitoring M3, inversion electricity Source GY, battery pack BAT, charging current table PA1, current divider FL1, current divider FL2, female voltmeter PV1, load current table PA2 are closed Three-phase power switch Q2 and three-phase electricity are sequentially connected in series with controlling voltage table PV2, terminal U, terminal V and the terminal W of charging module M1 The corresponding terminal A, terminal B, terminal C for connecing alternating source after source switch Q1；Terminal U, terminal V and the terminal W of charging module M2 according to The corresponding terminal A, terminal B, terminal C for connecing alternating source after secondary concatenation three-phase power switch Q3 and three-phase power switch Q1；Inversion Correspondence connects alternating source after the terminal AC and terminal IN of power supply GY is sequentially connected in series two-phase power supply switch Q4 and three-phase power switch Q1 Terminal A and terminal N, the terminal DC and terminal IN of inverter GY connect respectively EMU01MC monitoring M3 P+ terminal and P- terminal, The output end of AC terminal and OUT terminal of inverter GY is simultaneously connected to two-phase power supply switch QN1, two-phase power supply switch QN2 and two Station is controlled in the output termination of phase power switch QN3, two-phase power supply switch QN1, two-phase power supply switch QN2 and two-phase power supply are opened The output end for closing QN3 is picked out as stand-by AC；Charging module M1 is identical as the model of charging module M2, charging module M1 and fills The CAN- terminal of electric module M2 connects the CL+ terminal of EMU01MC monitoring M3, and the CAN+ terminal of charging module M1 and charging module M2 connect The CL- terminal of EMU01MC monitoring M3；The OUT+ terminal of charging module M1 and charging module M2 takes over control anti-diode SQR1 and connects two-phase The foot 2 of power switch Q5, two-phase power supply switch Q5 concatenate the output that fuse FU1 and two-phase power supply switch Q6 meets battery pack BAT End, the foot 4 of two-phase power supply switch Q5 concatenate fuse FU2, current divider FL1 and two-phase power supply switch Q6 and connect the defeated of battery pack BAT Enter end, the positive and negative anodes concatenation two-phase power supply switch Q8 output of battery pack BAT, the foot 1 of two-phase power supply switch Q8 concatenates two-phase power supply Switch Q9 connects the VB+ terminal of EMU01MC monitoring M3, and the foot 3 of two-phase power supply switch Q8 concatenates two-phase power supply switch Q9 and meets EMU01MC Monitor the VB4- terminal of M3；The foot 3 of current divider FL1 connects the IB+ terminal of EMU01MC monitoring M3, and the foot 4 of current divider FL1 connects EMU01MC monitors the IB- terminal of M3, between the foot 3 and foot 4 of current divider FL1 and meets charging current table PA1；Charging current table PA1's Terminal L engages the terminal L, the terminal N of charging current table PA1 of female voltmeter PV1, load current table PA2 and controlling voltage table PV2 Engage the terminal N of female voltmeter PV1, load current table PA2 and controlling voltage table PV2；The anode for closing female voltmeter PV1 connects fusing The output end of device FU1, the cathode for closing female voltmeter PV1 connect the output end of fuse FU2；The anode of load current table PA2 connects point Stream device FL2 connects the output end of fuse FU2, and the cathode concatenation current divider FL2 of load current table PA2 connects EMU01MC monitoring M3's VK- terminal；The anode of controlling voltage table PV2 concatenates the output end that automatic silicon chain voltage regulating device G meets fuse FU1, automatically The VK+ terminal of the output termination EMU01MC monitoring M3 of silicon chain voltage regulating device G, the cathode of controlling voltage table PV2 connect The VK+ terminal of EMU01MC monitoring M3；The output of the VK+ terminal and VK- terminal of EMU01MC monitoring M3 is terminated with two-phase power supply and opens Close QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase power supply switch QK5, two-phase electricity The comprehensive control screen of output termination 1# of source switch QK6 and two-phase power supply switch QK7, two-phase power supply switch QK1, two-phase power supply switch QK2 Output termination 2# comprehensive control screen, the output termination 1# governor of two-phase power supply switch QK3, the output end of two-phase power supply switch QK4 2# governor is connect, the output of two-phase power supply switch QK5, which terminates, shares LCU, and the output termination control of two-phase power supply switch QK6 is female spare The output termination control mother spare 2 of 1, two-phase power supply switch QK7；Two-phase power supply switch QK1 is closed by selectivity, two-phase power supply is opened Close QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase power supply switch QK5, two-phase power supply switch QK6 or two-phase electricity The i.e. accessible power supply of source switch QK7 is different operating power elements；The NA terminal that EMU01MC monitors M3 concatenates three-phase power switch The NB terminal concatenation three-phase power switch Q3 that Q3 meets terminal A, the EMU01MC monitoring M3 of AC power source meets the terminal B of AC power source, The NC terminal concatenation three-phase power switch Q3 of EMU01MC monitoring M3 meets the terminal C of AC power source, to the AC power source to input It is monitored.

The direct current cabinet, charging module M1 and charging module M2 connect alternating current power supply charging as pre- stand-by power source, and three phase mains is opened When closing Q1 connection, row's needle J27 of EMU01MC monitoring M3 connects AC power source, to AC power source sampling analysis, judges the exchange of input Whether power supply is in normal range (NR), when abnormal, disconnects three-phase power switch Q1, and when normal, three-phase power switch Q1 closure is closed Three-phase power switch Q2 is closed, charging module M1 charging is closed three-phase power switch Q3, charging module M2 charging, charging module M1 It is that EMU01MC monitors M3 power supply with charging module M2, is closed two-phase power supply switch Q4, inverter GY charging, inverter GY It picks out and powers for middle control station, and as alternating current equipment backup power source；Closure two-phase power supply switch Q5 and two-phase power supply are opened Q6, charging module M1 and charging module M2 are closed as battery pack BAT charging, when disconnecting two-phase power supply switch Q5, battery pack BAT is supplied Electricity, the VB+ terminal and VB- terminal of EMU01MC monitoring M3 sample the battery pack BAT voltage exported, charging current table PA1 The electric current of battery pack BAT output is detected, the voltage of mother voltmeter PV1 detection battery pack BAT output, load current table PA2 inspection are closed Size of the flow measurement through load current, the voltage of controlling voltage table PV2 detection access EMU01MC monitoring M3VK+ terminal and VK- terminal Size；EMU01MC monitors the VK+ terminal of M3 and output termination two-phase power supply switch QK1, the two-phase power supply switch of VK- terminal QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase power supply switch QK5, two-phase power supply switch QK6 and two-phase power supply Switch QK7, two-phase power supply switch QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply switch QK4, two-phase Power switch QK5, two-phase power supply switch QK6 and two-phase power supply switch QK7 output are respectively the comprehensive control screen of 1#, the comprehensive control screen of 2#, 1# tune Fast device, 2# comprehensive control screen share LCU, control mother spare 1 and female spare 2 power supply of control, when needing in use, need to only be closed corresponding switch ?.

In summary: this direct current cabinet, EMU01MC monitor M3 to AC power source sampling analysis, can monitor input power in real time Whether in normal value, by using charging module M1 and charging module M2 as pre- stand-by power source, it can guarantee to supply when power is off Electricity improves the stability of circuit work；By access charging current table PA1, current divider FL1, current divider FL2, close female voltage Table PV1, load current table PA2 and controlling voltage table PV2, can real-time monitoring respectively hold and whether work normally, guarantee the normal work of circuit Make, two-phase power supply switch QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply are closed by selectivity and switched The i.e. accessible power supply of QK4, two-phase power supply switch QK5, two-phase power supply switch QK6 or two-phase power supply switch QK7 is different operating member Part power supply；Overall work is stablized, and can be monitored in real time to working condition, it is ensured that is in normal operating conditions.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of direct current cabinet, including charging module M1, charging module M2, EMU01MC monitor M3, inverter GY, battery pack BAT, charging current table PA1, current divider FL1, current divider FL2, female voltmeter PV1, load current table PA2 and controlling voltage table are closed PV2, it is characterised in that: terminal U, terminal V and the terminal W of the charging module M1 is sequentially connected in series three-phase power switch Q2 and three-phase The corresponding terminal A, terminal B, terminal C for connecing alternating source after power switch Q1；Terminal U, terminal V and the end of the charging module M2 Sub- W is sequentially connected in series the corresponding terminal A, terminal B, terminal C for connecing alternating source after three-phase power switch Q3 and three-phase power switch Q1； Correspondence connects after the terminal AC and terminal IN of the inverter GY is sequentially connected in series two-phase power supply switch Q4 and three-phase power switch Q1 The terminal DC and terminal IN of the terminal A and terminal N of alternating source, inverter GY connect the P+ terminal of EMU01MC monitoring M3 respectively With P- terminal；The CAN- terminal of the charging module M1 and charging module M2 connects the CL+ terminal of EMU01MC monitoring M3, and charge mould The CAN+ terminal of block M1 and charging module M2 connects the CL- terminal of EMU01MC monitoring M3；The charging module M1 and charging module M2 OUT+ terminal take over control anti-diode SQR1 and meet two-phase power supply switch Q5, the foot 2 of two-phase power supply switch Q5 concatenate fuse FU1 and Two-phase power supply switch Q6 connects the output end of battery pack BAT, and the foot 4 of two-phase power supply switch Q5 concatenates fuse FU2, current divider FL1 The input terminal of battery pack BAT is connect with two-phase power supply switch Q6, the positive and negative anodes concatenation two-phase power supply switch Q8 of battery pack BAT is exported, The foot 1 of two-phase power supply switch Q8 concatenates the VB+ terminal that two-phase power supply switch Q9 meets EMU01MC monitoring M3, two-phase power supply switch Q8 Foot 3 concatenate two-phase power supply switch Q9 connect EMU01MC monitor M3 VB4- terminal；The foot 3 of the current divider FL1 meets EMU01MC The IB+ terminal of M3 is monitored, the foot 4 of current divider FL1 connects the IB- terminal of EMU01MC monitoring M3, between the foot 3 and foot 4 of current divider FL1 And meet charging current table PA1；It is female that the terminal L of the charging current table PA1 engages female voltmeter PV1, load current table PA2 and control The terminal N of the terminal L of voltmeter PV2, charging current table PA1 engage female voltmeter PV1, load current table PA2 and controlling voltage The terminal N of table PV2；The anode for closing female voltmeter PV1 connects the output end of fuse FU1, and the cathode for closing female voltmeter PV1 connects The output end of fuse FU2；The anode of the load current table PA2 connects the output end that current divider FL2 meets fuse FU2, load The cathode concatenation current divider FL2 of ammeter PA2 connects the VK- terminal of EMU01MC monitoring M3；The anode of the controlling voltage table PV2 Concatenate the output end that automatic silicon chain voltage regulating device G meets fuse FU1, the output termination of automatic silicon chain voltage regulating device G EMU01MC monitors the VK+ terminal of M3, and the cathode of controlling voltage table PV2 connects the VK+ terminal of EMU01MC monitoring M3.

2. a kind of direct current cabinet according to claim 1, it is characterised in that: the VK+ terminal of EMU01MC monitoring M3 and The output of VK- terminal is terminated with two-phase power supply switch QK1, two-phase power supply switch QK2, two-phase power supply switch QK3, two-phase power supply and opens Close QK4, two-phase power supply switch QK5, two-phase power supply switch QK6 and two-phase power supply switch QK7, the output of two-phase power supply switch QK1 The comprehensive control screen of 1#, the comprehensive control screen of output termination 2# of two-phase power supply switch QK2 are terminated, the output of two-phase power supply switch QK3 terminates 1# tune Fast device, the output of two-phase power supply switch QK4 terminate 2# governor, and the output of two-phase power supply switch QK5, which terminates, shares LCU, two-phase The output termination control mother spare 1 of power switch QK6, the output termination control mother spare 2 of two-phase power supply switch QK7.

3. a kind of direct current cabinet according to claim 1, it is characterised in that: the NA terminal concatenation of the EMU01MC monitoring M3 The NB terminal concatenation three-phase power switch Q3 that three-phase power switch Q3 meets terminal A, the EMU01MC monitoring M3 of AC power source connects exchange The NC terminal concatenation three-phase power switch Q3 of terminal B, the EMU01MC monitoring M3 of power supply meets the terminal C of AC power source.

4. a kind of direct current cabinet according to claim 1, it is characterised in that: the type of the charging module M1 and charging module M2 It is number identical.

5. a kind of direct current cabinet according to claim 1, it is characterised in that: the AC terminal and OUT terminal of the inverter GY The output end of son is simultaneously connected to two-phase power supply switch QN1, two-phase power supply switch QN2 and two-phase power supply switch QN3, two-phase power supply switch Station is controlled in the output termination of QN1, and two-phase power supply switch QN2 and the output end of two-phase power supply switch QN3 are picked out as exchanging It is spare.