CN217427761U - Automatic access system of standby charger - Google Patents

Automatic access system of standby charger Download PDF

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Publication number
CN217427761U
CN217427761U CN202220977344.8U CN202220977344U CN217427761U CN 217427761 U CN217427761 U CN 217427761U CN 202220977344 U CN202220977344 U CN 202220977344U CN 217427761 U CN217427761 U CN 217427761U
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China
Prior art keywords
module
charger
bus
switch
direct current
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CN202220977344.8U
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Chinese (zh)
Inventor
谢牡芳
陈志武
黎德恒
冯学彪
赖佩坤
梁航
陈明
杨万枫
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Zhuhai Titans Technology Co ltd
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Zhuhai Titans Technology Co ltd
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model aims at providing a simple structure, the reliability is high, can avoid direct current bus to appear losing the automatic access system of machine of stand-by battery of electric problem. The utility model discloses a reserve machine, the machine output switch that charges and two power module, two the power module passes through the machine output switch that charges carries out the electricity and connects, power module includes generating line module, battery module, monitor module and direct current machine that charges, battery module with direct current machine that charges all with the generating line module carries out the electricity and connects, direct current machine that charges and the machine output switch that charges all with monitor module carries out the electricity and connects, the reserve machine that charges with the machine output switch that charges carries out the electricity and connects. The utility model discloses be applied to power supply system technical field.

Description

Automatic access system of standby charger
Technical Field
The utility model discloses be applied to power supply system technical field, in particular to automatic access system of stand-by charger.
Background
The direct current power supply system for the station is mainly responsible for providing reliable power supply for switching-on and switching-off control of relay protection equipment, various monitoring devices (signals), communication equipment and circuit breakers (switches) in the station and also relates to whether secondary protection and control signals can be normally switched on or not. According to the requirements of the power industry standard DL/T5044-2014, a plurality of groups of storage batteries and a plurality of chargers are required to be arranged in an important transformer substation with the voltage of more than 220kV, and a communication electric appliance is arranged between two sections of buses. And when the bus runs normally, the two sections of buses respectively run independently. Therefore, two sections of normally-operated direct current buses are operated by respective chargers with one group of storage batteries, but when a direct current system fails, the storage batteries in the system are discharged in large quantities, and at the moment, a standby charger needs to be manually put into operation or a bus coupler switch needs to be manually put into operation. However, the time required for manually putting into the bus tie switch or manually putting into the standby charger is long, and when the transformer substation is remote, maintenance personnel can discharge the electric quantity of the storage battery when arriving at the site too soon, so that the direct-current bus is lost. If the automatic access system of the standby charger, which has the advantages of simple structure and high reliability and can avoid the problem of power loss of the direct-current bus, can be designed, the problems can be well solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, the reliability is high, can avoid direct current bus to appear the automatic access system of stand-by charger who loses the electric problem.
The utility model adopts the technical proposal that: the utility model discloses a reserve machine, the machine output switch that charges and two power module, two the power module passes through the machine output switch that charges carries out the electricity and connects, power module includes generating line module, battery module, monitor module and direct current machine that charges, battery module with direct current machine that charges all with the generating line module carries out the electricity and connects, direct current machine that charges and the machine output switch that charges all with monitor module carries out the electricity and connects, the reserve machine that charges with the machine output switch that charges carries out the electricity and connects.
Furthermore, the two bus modules are electrically connected through a charger output switch, the charger output switch comprises a ZK31 switch and a ZK32 switch, the ZK31 switch is electrically connected with the ZK32 switch, and the ZK31 switch and the ZK32 switch are electrically connected with the backup charger.
Furthermore, the two bus modules are respectively a first bus module and a second bus module, the first bus module comprises a first bus and a second bus, the second bus module comprises a third bus and a fourth bus, the first bus is electrically connected with the third bus through a ZK5 switch, and the second bus is electrically connected with the fourth bus through a charger output switch.
Further, the two monitoring modules are electrically connected with the ZK31 switch and the ZK32 switch respectively.
Furthermore, the power supply module further comprises a charging switch, the direct current charger is electrically connected with the bus module through the charger output switch, and the charger output switch is electrically connected with the monitoring module.
Further, the automatic access system of the standby charger further comprises a current detection module, and the current detection module is electrically connected with the two storage battery modules.
Further, the automatic access system of the standby charger further comprises a voltage detection module, and the voltage detection module is electrically connected with the bus module.
Further, the two direct current chargers are electrically connected with a computer system.
The utility model has the advantages that: when one of the direct current chargers fails, for example, overvoltage or undervoltage occurs, the computer system sends a fault signal, the monitoring module receives the fault signal and then sends a command to the charging switch to disconnect the charging switch so that the direct current charger exits, the direct current charger is subsequently overhauled, and then the monitoring module sends a command to the charger output switch so that the ZK31 switch or the ZK32 switch is closed so that the backup charger is connected to supply power. Therefore, the utility model is not only simple in structure, the reliability is high moreover, works as when direct current charger breaks down, the reserve charger can insert automatically to avoid direct current generating line to appear losing the electricity problem.
Drawings
Fig. 1 is a connection block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the present invention;
FIG. 3 is a circuit schematic of the first monitoring module;
fig. 4 is a circuit schematic of the second monitoring module.
Detailed Description
As shown in fig. 1 to fig. 4, in this embodiment, the utility model discloses a back-up charger 1, charger output switch 2 and two power module 7, two power module 7 passes through charger output switch 2 carries out the electricity and connects, power module 7 includes bus module 3, battery module 4, monitor module 5 and direct current charger 6, battery module 4 with direct current charger 6 all with bus module 3 carries out the electricity and connects, direct current charger 6 and charger output switch 2 all with monitor module 5 carries out the electricity and connects, back-up charger 1 with charger output switch 2 carries out the electricity and connects.
In this embodiment, two bus modules 3 are electrically connected through charger output switch 2, charger output switch 2 includes a ZK31 switch and a ZK32 switch, the ZK31 switch is electrically connected with the ZK32 switch, and the ZK31 switch and the ZK32 switch are electrically connected with backup charger 1.
In this embodiment, two bus modules 3 are a first bus module and a second bus module respectively, the first bus module includes a first bus and a second bus, the second bus module includes a third bus and a fourth bus, the first bus is electrically connected to the third bus through a ZK5 switch, and the second bus is electrically connected to the fourth bus through a charger output switch 2.
In this embodiment, the two monitoring modules 5 are a first monitoring module and a second monitoring module, respectively, the first monitoring module is electrically connected to the ZK31 switch, and the second monitoring module is electrically connected to the ZK32 switch.
In this embodiment, the power supply module 7 further includes a charging switch, the dc charger 6 is electrically connected to the bus module 3 through the charging switch, and the charging switch is electrically connected to the monitoring module 5.
In this embodiment, the automatic access system for the standby charger further includes a current detection module, and the current detection module is electrically connected to the two storage battery modules 4.
In this embodiment, the automatic access system for the standby charger further includes a voltage detection module, and the voltage detection module is electrically connected to the bus module 3.
In this embodiment, both the two dc chargers 6 are electrically connected to a computer system.
In this embodiment, when one of the dc chargers 6 fails, for example, overvoltage or undervoltage occurs, the computer system sends a fault signal, after receiving the fault signal, the monitoring module 5 first sends a command to the charging switch to turn off the charging switch, so that the dc charger 6 exits, and subsequently, the dc charger 6 is repaired, and then the monitoring module 5 sends a command to the charger output switch 2 to turn on the charger output switch 2, so that the backup charger 1 is connected to supply power. Therefore, the utility model is not only simple in structure, the reliability is high moreover, works as when direct current charger breaks down, the back-up machine can insert automatically to avoid direct current bus to appear losing the electric problem.
In this embodiment, the direct current charger 6 outputs an undervoltage, a required undervoltage value of 0-999V can be set, 198V is defaulted, the discharge current of the storage battery module 4 is greater than 1A, the storage battery module is kept for 30 seconds, and the backup charger 1 is put into operation; after the fault of the direct current charger 6 is eliminated, namely the output voltage of the direct current charger 6 is recovered to 198V-245V, the direct current charger 6 recovers power supply, and the backup charger 1 quits.
In this embodiment, the direct current charger 6 outputs overvoltage, the required overvoltage value is 0-999V, 245V is defaulted, the backup charger 1 is put into service, the direct current charger 6 is withdrawn, and manual maintenance is needed at this time; after the fault of the direct current charger 6 is eliminated, namely the output voltage of the direct current charger 6 is recovered to 198V-245V, the direct current charger 6 recovers power supply, and the backup charger 1 quits.
In this embodiment, the output overvoltage and undervoltage value of the backup charger 1 may be set.
In this embodiment, it is required that the ZK31 switch and the ZK32 switch of the backup charger 1 cannot be turned on simultaneously, and an electrical interlock process is adopted, so that when both the two dc chargers 6 are under-voltage, the backup charger 1 is only standby for one of the dc chargers 6.

Claims (8)

1. The utility model provides a reserve charger automatic access system which characterized in that: it includes reserve charger (1), charger output switch (2) and two power module (7), two power module (7) are passed through charger output switch (2) carry out the electricity and are connected, power module (7) are including bus module (3), battery module (4), monitor module (5) and direct current charger (6), battery module (4) with direct current charger (6) all with bus module (3) carry out the electricity and connect, direct current charger (6) and charger output switch (2) all with monitor module (5) carry out the electricity and connect, reserve charger (1) with charger output switch (2) carry out the electricity and connect.
2. The automatic access system of the standby charger according to claim 1, characterized in that: two bus module (3) are passed through machine output switch (2) that charges carries out the electricity and is connected, machine output switch (2) that charges includes ZK31 switch and ZK32 switch, ZK31 switch with the ZK32 switch carries out the electricity and connects, ZK31 switch with ZK32 switch all with reserve machine (1) carries out the electricity and connects.
3. The automatic access system of the standby charger according to claim 2, characterized in that: the two bus modules (3) are respectively a first bus module and a second bus module, the first bus module comprises a first bus and a second bus, the second bus module comprises a third bus and a fourth bus, the first bus is electrically connected with the third bus through a ZK5 switch, and the second bus is electrically connected with the fourth bus through a charger output switch (2).
4. The automatic access system of the standby charger according to claim 2, characterized in that: the two monitoring modules (5) are respectively electrically connected with the ZK31 switch and the ZK32 switch.
5. The automatic access system of the standby charger according to claim 1, characterized in that: the power supply module (7) further comprises a charging switch, the direct current charger (6) is electrically connected with the bus module (3) through the charging switch, and the charging switch is electrically connected with the monitoring module (5).
6. The automatic access system of the standby charger according to claim 1, characterized in that: the automatic access system of the standby charger further comprises a current detection module, and the current detection module is electrically connected with the two storage battery modules (4).
7. The automatic access system of the standby charger according to claim 1, characterized in that: the automatic access system of the standby charger further comprises a voltage detection module, and the voltage detection module is electrically connected with the bus module (3).
8. The automatic access system of the standby charger according to claim 1, characterized in that: and the two direct current chargers (6) are electrically connected with a computer system.
CN202220977344.8U 2022-04-26 2022-04-26 Automatic access system of standby charger Active CN217427761U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220977344.8U CN217427761U (en) 2022-04-26 2022-04-26 Automatic access system of standby charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220977344.8U CN217427761U (en) 2022-04-26 2022-04-26 Automatic access system of standby charger

Publications (1)

Publication Number Publication Date
CN217427761U true CN217427761U (en) 2022-09-13

Family

ID=83184598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220977344.8U Active CN217427761U (en) 2022-04-26 2022-04-26 Automatic access system of standby charger

Country Status (1)

Country Link
CN (1) CN217427761U (en)

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GR01 Patent grant
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EE01 Entry into force of recordation of patent licensing contract

Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd.

Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd.

Contract record no.: X2022980021491

Denomination of utility model: An automatic access system for standby charger

Granted publication date: 20220913

License type: Exclusive License

Record date: 20221115

EE01 Entry into force of recordation of patent licensing contract
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: An automatic access system for standby charger

Effective date of registration: 20221118

Granted publication date: 20220913

Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd.

Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd.

Registration number: Y2022980022396

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20220913

Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd.

Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd.

Registration number: Y2022980022396

PC01 Cancellation of the registration of the contract for pledge of patent right
EC01 Cancellation of recordation of patent licensing contract

Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd.

Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd.

Contract record no.: X2022980021491

Date of cancellation: 20240426

EC01 Cancellation of recordation of patent licensing contract