CN206114869U - Battery performance detection device and DC power supply system - Google Patents
Battery performance detection device and DC power supply system Download PDFInfo
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- CN206114869U CN206114869U CN201621181333.XU CN201621181333U CN206114869U CN 206114869 U CN206114869 U CN 206114869U CN 201621181333 U CN201621181333 U CN 201621181333U CN 206114869 U CN206114869 U CN 206114869U
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- module
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- rectification
- monitoring modular
- discharge
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a battery performance detection device and DC power supply system, DC power supply system include power supply loop and battery performance detection device, and power supply loop is including the NULL module, AC distribution module, rectifier module, storage battery, the dc bus that connect gradually, and its battery performance detection device includes rectification monitoring module, battery monitoring module, the module of discharging, direct current monitoring module, rectification monitoring module is connected with the DC power supply system rectifier module output, battery monitoring module and storage battery feeding end connection, the module of discharging and the storage battery loop connection that discharges, rectification monitoring module, battery monitoring module, the module of discharging are connected with the direct current monitoring module respectively. The utility model provides a DC power supply system can not in time reflect the true situation of storage battery performance, the battery performance detects and the capacity detects the problem that relies on manual operation.
Description
Technical field
This utility model belongs to DC source field, more particularly to a kind of Battery Performance Testing device and DC source system
System.
Background technology
DC power system is widely used in the fields such as transformer station, power plant, track traffic, and it is straight by the friendship of commutator
Circulation change and accumulator it is online standby, provide reliable and stable DC source for height voltage breaker and secondary device.Electric power storage
Pond is used as the last guarantee together powered for DC load in the case of exchange dead electricity, and its maintenance work is particularly important.It is straight at present
Means of the stream power-supply system generally using VRLA formula accumulator, its performance of real-time detection and capacity are not enough, and accumulator is floated
Charging voltage and internal resistance data can auxiliary judgment and can not truly reflect its volumetric properties, rely primarily on artificial periodically verification property electric discharge
Checking accumulator capacity and performance.With the popularization and the popularization of unmanned O＆M mode of Intelligent transformer station, and electric power storage
The reason such as pond maintenance period is long, because the manual maintenance to accumulator tends not to be in time, DC power system is not yet
The real conditions of battery performance can in time be reflected, thus battery performance deterioration and caused off-capacity will be serious
Affect the effective standby of accumulator.
Utility model content
The purpose of this utility model is to provide a kind of Battery Performance Testing device and DC power system, for can not
Reflect the real conditions of battery performance in time, Battery Performance Testing and capacity check rely on manually-operated problem.
For achieving the above object, the technical solution of the utility model is：
A kind of Battery Performance Testing device, including rectification monitoring modular, battery detection module, discharge module, direct current prison
Control module, the rectification monitoring modular is used to be arranged on DC power system rectification module outfan；The battery detection mould
Block is used to be arranged on accumulator battery feeder ear；The discharge module is used to be arranged on accumulator battery discharge loop；It is described whole
Stream monitoring modular, battery detection module, discharge module are connected respectively with direct-current supervision module；The direct-current supervision module is by whole
Flow the start and stop of the Data Control discharge module of monitoring modular and the output of battery detection module and control the output of rectification module.
Exchange monitoring modular that the device also includes being connected for the AC distribution module outfan with DC power system,
And the dc bus monitoring modular being connected for the dc bus with DC power system, the exchange monitoring modular and direct current mother
Line monitoring modular is connected respectively with direct-current supervision module.
The device also includes the distant place backstage being connected with direct-current supervision module.
This utility model additionally provides a kind of DC power system, including current supply circuit, and current supply circuit includes being sequentially connected
Exchange input module, AC distribution module, rectification module, accumulator battery, dc bus；Also detect including battery performance
Device, battery performance detection means includes rectification monitoring modular, battery detection module, discharge module, direct-current supervision module,
The rectification monitoring modular is connected with DC power system rectification module outfan；The battery detection module is supplied with accumulator battery
Electric end connection；The discharge module is connected with accumulator battery discharge loop；The rectification monitoring modular, battery detection module, put
Electric module is connected respectively with direct-current supervision module；The direct-current supervision module is defeated by rectification monitoring modular and battery detection module
The start and stop of the Data Control discharge module for going out simultaneously control the output of rectification module.
The system also include the exchange monitoring modular being connected with the AC distribution module outfan of DC power system and with
The dc bus monitoring modular of the dc bus connection of DC power system.
The system also includes the distant place backstage being connected with direct-current supervision module.
The direct-current supervision module controls the output of rectification module.
The beneficial effects of the utility model are：
Monitoring to DC power system and control are realized by Battery Performance Testing device, has been reached to accumulator
Carry out the purpose of automatic performance detection and capacity check, it is to avoid accumulator property monitoring and capacity monitoring rely on manually-operated
Problem.
Description of the drawings
Fig. 1 is Battery Performance Testing system schematic；
Fig. 2 is the monitoring flow chart of battery performance detection.
Specific embodiment
Below in conjunction with the accompanying drawings to the further details of explanation of specific embodiment of the present utility model：
A kind of embodiment of DC power system of the present utility model：
A kind of DC power system, specifically, as shown in figure 1, including current supply circuit and Battery Performance Testing device, its
Middle current supply circuit includes exchange input module, AC distribution module, rectification module, accumulator battery, dc bus, AC distribution mould
Block can be single supply or double-power supply switching device, and exchange input module is connected with AC distribution module, AC distribution module
It is connected with rectification module, rectification module and dc bus connect, while being connected with accumulator battery, accumulator battery and dc bus connect
Connect.
Battery Performance Testing device includes direct-current supervision module, exchange monitoring modular, commutator output monitoring modular, straight
Stream bus monitoring modular, battery detection module, discharge module, direct-current supervision module respectively with exchange Input Monitor Connector module, rectification
Device output monitoring modular, dc bus monitoring modular, battery detection module, discharge module, the connection of distant place backstage；All modules are all
Possess communication interface, wherein exchange Input Monitor Connector module is connected with AC distribution output module, adopted using A.C. voltmeter in real time
Sample AC three-phase voltage；Rectification monitoring modular is connected with rectification module outfan, is sampled using the 3rd D.C. voltmeter in real time whole
Stream device output voltage；Dc bus monitoring modular is connected with dc bus, female using the first D.C. voltmeter sampling direct current in real time
Line voltage；Battery detection module is connected with accumulator battery feeder ear, is adopted using the second D.C. voltmeter and DC ammeter in real time
Sample accumulator battery output voltage, accumulator battery output current, storage battery unit cell voltage, the temperature of accumulator；Electric discharge mould
Block is connected with battery discharging loop.
Direct-current supervision module is received and above-mentioned all monitoring devices and the data of discharge module, union by communication interface
Middle to analyze and process the Monitoring Data for receiving, automatically controlling discharge module start and stop according to analysis result carries out the electric discharge of verification property；Or
Automatically controlling rectification module output carries out carrying out battery performance test in tape placing electricity；Direct-current supervision module is entered with distant place backstage
Row real-time Communication for Power, can manually control discharge module or rectification module running status by distant place backstage.
The automatic detection process of battery performance is specifically：It is presetting to some performance parameters of accumulator first
Value, parameter includes accumulator battery float charge voltage, accumulator battery discharge test cycle, discharge test final voltage, discharge test end
Only time, discharge test electric current.Wherein discharge test final voltage, discharge test termination time, discharge test electric current need to press
It is configured according to accumulator Delivery Inspection Report or first verification property discharge data.System detectio flow process it is specific as shown in Fig. 2
2 describe testing process in detail below in conjunction with the accompanying drawings：
When accumulator battery output voltage is equal to float charge voltage, whether calculating reaches battery discharging test period, if
Battery discharging test period is reached, and there is no the dependent failure of commutator or accumulator battery, such as commutator output event in system
Barrier, commutator exchange input fault, accumulator battery floating charge overvoltage, storage battery unit cell overvoltage/undervoltage etc., record discharge test
The time of startup is reduced to discharge test termination for calculating the discharge test termination time that whether reaches, and controlling commutator output
Voltage, now because accumulator battery voltage is higher than rectifier output voltage, accumulator battery starts electric discharge, while star t-up discharge mould
Block, discharge module reaches discharge test electric current by adjusting own load regulation accumulator battery discharge current, and beginning is followed next time
Ring judges；If system has failure, stop discharge test, record Discharge test, recalculate the discharge test cycle,
If not up to the discharge test cycle, continuing to test.
When accumulator battery output voltage is not equal to float charge voltage, if accumulator battery output current is negative value, i.e. set of cells
Discharge, if not negative value, then restart cycle criterion next time, then judge the electric discharge for being discharge test startup, also
The electric discharge that to be commutator cause without output, if not discharging, restarts cycle criterion next time, if the former, then sentence
It is disconnected to whether there is commutator or accumulator battery dependent failure, if there is no failure, then whether judge accumulator battery output voltage
Less than final discharging voltage, if judging whether the discharge test time reaches discharge test and terminate the time not less than continuation, if
Reach, then judgement battery discharging test passes, the minimum of storage battery unit cell voltage at the end of record discharge test
Value, recovers rectifier output voltage to float charge voltage, and stops discharge module operation；If not up to, proceeding test；
If before the not up to discharge test termination time, accumulator battery output voltage be just reduced to discharge test final voltage with
Under, then judge accumulator battery test failure, also stop discharge test, record whole group and monomer battery voltage, if there is being
System failure, then recover rectifier output voltage to final discharging voltage, and stops the operation of discharge module.
The storage battery unit cell voltage recorded at the end of by discharge test or the value of whole group cell voltage, with electric power storage
The comparison of pond factory data, estimates the residual capacity of single battery of accumulator battery, is multiplied by battery number of elements as whole group capacity.Electric discharge
System carries out in real time accumulator battery and commutator status monitoring, and the status monitoring of each monitoring device in test process, works as storage
Set of cells group or commutator abnormal state, or during monitoring device communications status exception, discharge test is stopped automatically, it is also possible to pass through
Remotely issue control command and stop discharge test to direct current (DC) monitoring device.Complete to test battery performance by above-mentioned flow process
And Residual capacity prediction, system at regular intervals automatic accumulator in tape placing electrical testing, and possess abort test guarantor
Shield measure.
Claims (7)
1. a kind of Battery Performance Testing device, it is characterised in that including rectification monitoring modular, battery detection module, electric discharge mould
Block, direct-current supervision module, the rectification monitoring modular is used to be arranged on DC power system rectification module outfan；The electricity
Pond monitoring modular is used to be arranged on accumulator battery outfan；The discharge module is used to be arranged on accumulator battery discharge loop
On；The rectification monitoring modular, battery detection module, discharge module are connected respectively with direct-current supervision module；The direct-current supervision
Module is used for the start and stop of the Data Control discharge module exported by rectification monitoring modular and battery detection module and controls rectification
The output of module.
2. a kind of Battery Performance Testing device according to claim 1, it is characterised in that also include for unidirectional current
What the AC distribution module outfan of origin system connected exchanges monitoring modular and for connecting with the dc bus of DC power system
The dc bus monitoring modular for connecing, the exchange monitoring modular connects respectively with dc bus monitoring modular with direct-current supervision module
Connect.
3. a kind of Battery Performance Testing device according to claim 1, it is characterised in that also include and direct-current supervision mould
The distant place backstage of block connection.
4. a kind of DC power system, including current supply circuit, current supply circuit includes that the exchange input module being sequentially connected, exchange are matched somebody with somebody
Electric module, rectification module, accumulator battery, dc bus, it is characterised in that also including battery performance detection means, electric power storage
Pond device for detecting performance includes rectification monitoring modular, battery detection module, discharge module, direct-current supervision module, the rectification prison
Survey module to be connected with DC power system rectification module outfan；The battery detection module is connected with accumulator battery feeder ear；
The discharge module is connected with accumulator battery discharge loop；The rectification monitoring modular, battery detection module, discharge module difference
It is connected with direct-current supervision module；The data control that the direct-current supervision module is exported by rectification monitoring modular and battery detection module
The start and stop of discharge module processed simultaneously control the output of rectification module.
5. a kind of DC power system according to claim 4, it is characterised in that also include the friendship with DC power system
The exchange monitoring modular of stream Power entry module outfan connection and the dc bus prison being connected with the dc bus of DC power system
Survey module.
6. a kind of DC power system according to claim 4, it is characterised in that also include being connected with direct-current supervision module
Distant place backstage.
7. a kind of DC power system according to any one of claim 4-6, it is characterised in that the direct-current supervision module
The output of control rectification module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181333.XU CN206114869U (en) | 2016-10-27 | 2016-10-27 | Battery performance detection device and DC power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181333.XU CN206114869U (en) | 2016-10-27 | 2016-10-27 | Battery performance detection device and DC power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114869U true CN206114869U (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181333.XU Active CN206114869U (en) | 2016-10-27 | 2016-10-27 | Battery performance detection device and DC power supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884724A (en) * | 2017-12-18 | 2018-04-06 | 东莞铭普光磁股份有限公司 | A kind of dc source supervising device |
| CN110441709A (en) * | 2019-07-29 | 2019-11-12 | 云南电网有限责任公司红河供电局 | A kind of transforming plant DC power-supply system and monitoring method monitoring battery and charging module |
-
2016
- 2016-10-27 CN CN201621181333.XU patent/CN206114869U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884724A (en) * | 2017-12-18 | 2018-04-06 | 东莞铭普光磁股份有限公司 | A kind of dc source supervising device |
| CN110441709A (en) * | 2019-07-29 | 2019-11-12 | 云南电网有限责任公司红河供电局 | A kind of transforming plant DC power-supply system and monitoring method monitoring battery and charging module |
| CN110441709B (en) * | 2019-07-29 | 2021-11-05 | 云南电网有限责任公司红河供电局 | Transformer substation direct-current power supply system for monitoring storage battery and charging module and monitoring method |
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