CN109888907A - A kind of portable feed-back type battery service control system - Google Patents
A kind of portable feed-back type battery service control system Download PDFInfo
- Publication number
- CN109888907A CN109888907A CN201810020261.8A CN201810020261A CN109888907A CN 109888907 A CN109888907 A CN 109888907A CN 201810020261 A CN201810020261 A CN 201810020261A CN 109888907 A CN109888907 A CN 109888907A
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- back type
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- battery
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 239000013589 supplement Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of portable feed-back type battery service control systems, including charger, battery group, system load, battery data logging device, portable feed-back type device, system monitor and switch K1-K5；Wherein system load accesses DC bus by switch K2；The input terminal of charger accesses AC network, and output end accesses DC bus by switch K1；The input terminal of battery group accesses DC bus by switch K3, is electrically connected by switch K4 with the input terminal of portable feed-back type device；The output end of battery group is electrically connected with the input terminal of battery data logging device；The output end of portable feed-back type device accesses AC network by switch K5；System monitor carries out data transmission with charger, battery data logging device and portable feed-back type device.The present invention has in linear, convenient economy, energy saving, safe and reliable and high-precision advantage.
Description
Technical field
The present invention relates to battery service fields, more particularly, to a kind of portable feed-back type battery service control system
System.
Background technique
In order to ensure the safe operation of electric system, power plant, the control of substation and protection equipment are all made of direct current
Source power supply, wherein DC power supply is provided by electric operation power high-frequency switching power supply module and battery group respectively.Power train
When uniting normal, DC power supply is powered by electric operation power with high-frequency switching power supply module, and battery group is in stand-by state.When
When the Alternating Current Power Supply end of electric system accident occurs and leads to AC dump, electric operation power high-frequency switching power supply module is by nothing
Method works normally, and battery group will serve as power take-off, guarantees that important terminal device works normally, therefore battery group
Reliably working is one of the important leverage that electric system operates normally.It is wanted currently, can determine whether battery group capacity meets
Seeking most directly reliable method is exactly to carry out electric discharge maintenance test to battery.
Currently, the first is fixed active inversion equipment there are three types of the equipment in industry safeguarded to battery,
Second is fixed energy-dissipating type conductive discharge equipment, the third is portable energy-dissipating type discharge equipment；The first and second
Discharge equipment is fixedly mounted on DC power supply device, but due to programming and planning etc., now only only a few
DC power system contain this fixed to maintain equipment；The third portable energy-dissipating type discharge equipment application is relatively flexibly, again
It can be with later procurement, so now using more.
It when battery group maintenance, needs to carry out constant-current discharge, current portable energy-dissipating type discharge equipment mostly uses PTC electric
Resistance, by control PTC resistor temperature realize constant-current discharge, this control method be easy it is influenced by ambient temperature, and current stabilization adjust speed
Degree is slow, and discharge current stability is poor, influences the accuracy of battery group capacity calculating.And energy-dissipating type discharge equipment was being run
Cheng Zhong, heat is come out by resistance, will lead to discharge equipment itself and ambient temperature increases, to the equipment on periphery
Operation affects, while wasting certain energy.Current portable energy-dissipating type discharge equipment be all made of from
Wire type maintenance mode, off-line type maintenance mode need to put into standby battery group, increase certain system input cost.
Summary of the invention
Present invention aim to address said one or multiple defects, design a kind of portable feed-back type battery service control
System.
To realize the above goal of the invention, the technical solution adopted is that:
A kind of portable feed-back type battery service control system, including charger, battery group, system load, battery patrol
Examine instrument, portable feed-back type device, system monitor and switch K1-K5；
Wherein system load accesses DC bus by switch K2；
The input terminal of charger accesses AC network, and output end accesses DC bus by switch K1；
The input terminal of battery group passes through the defeated of switch K4 and portable feed-back type device by switch K3 access DC bus
Enter end electrical connection；The output end of battery group is electrically connected with the input terminal of battery data logging device；
The output end of portable feed-back type device accesses AC network by switch K5；
System monitor carries out data transmission with charger, battery data logging device and portable feed-back type device.
Wherein the charger includes several electric operation power high frequency switch power subelements.
Wherein the portable feed-back type device includes DC/AC major loop, control circuit, sample circuit, communicating circuit, display
Terminal and keyboard；Wherein the output end of sample circuit is electrically connected with the input terminal of control circuit, control circuit and DC/AC major loop
Carry out data transmission with communicating circuit, display terminal and keyboard are electrically connected with control circuit.
Wherein the communicating circuit is the circuit for including RS485 chip or CAN chip.
When system operates normally, switch K1, K2, K3 are closed state, and K4, K5 are off-state, portable feed-back type
In the non-access system of device.AC network is charger power supply, and it by K1 is direct current that AC conversion is direct current by charger
Bussed supply, while being battery group electric energy supplement by K3.DC bus is system load power supply by K2, it is assumed that system is negative
Load electric current is Io.The working condition of battery data logging device real-time detection battery group, and status information is uploaded to system prison in real time
Control device.
When needing to carry out battery group electric discharge maintenance, the direct-flow input end of portable feed-back type device is connected to switch
K4, ac output end are connected to switch K5, and switch K4, K5 are still remained off at this time.By the communication of portable feed-back type device
The PORT COM of port and system monitor connection, it is ensured that communication is normal.
After above-mentioned connection is correct, portable feed-back type device power supply is connected, if display terminal shows battery group
State is normal, then carries out corresponding discharge parameter setting.Mainly battery group discharge off end voltage, battery group electric discharge electricity
Flow valuve and charger output voltage, the setting principle of charger output voltage are electric lower than the battery group discharge off end of setting
Pressure and the low pressure limit value for being higher than DC bus permission.After setting completed, closure switch K4, if display terminal is showing state just
Often, can starting storage battery group maintenance process, maintenance process starting after, if display terminal show electric power storage tank discharge just
Often, closure switch K5, portable feed-back type device will be according to battery group discharge current value and system load electric current Io, adjust automaticallies
The input current value of itself, to guarantee setting value that the discharge current value of battery group is kept constant.When the electric power storage for reaching setting
After the group discharge off condition of pond, portable feed-back type device will be automatically stopped work, issue prompt tone, and output data analysis knot
Fruit, while the output voltage of charger will be arranged in the information uploading system monitor that will terminate maintenance, system monitor automatically
It is DC bus powered for even charging voltage, while is battery group electric energy supplement.After the maintenance for completing battery group, disconnect
Switch K5, K4 cut off the power supply of portable feed-back type device, disconnect the communication of portable feed-back type device and system monitor
Line separates portable feed-back type device with system.
Compared with prior art, the beneficial effects of the present invention are:
1) portable feed-back type device can be by switching input coefficient, and battery group needs not necessarily depart from system, to realize storage
The on-line maintenance of battery pack improves the power supply reliability of DC power system；
2) portable feed-back type device can be put into system as needed, and not need standby battery group, be improved
The degree of flexibility of battery O&M, reduces O&M cost in DC power system；
3) portable feed-back type device, which is realized, feeds back to power grid for the portion of energy of battery group, can avoid certain energy wave
Take；
4) various kinds of protective circuit is set in portable feed-back type device, guarantees that battery service process safety is reliable, and not shadow
The normal operation of acoustic system；
5) portable feed-back type device is internally provided with control circuit, can quickly adjust input current value, guarantees battery group
The stability of discharge current improves the accuracy that battery group capacity calculates.
Detailed description of the invention
Fig. 1 is system architecture diagram of the invention；
Fig. 2 is portable feed-back type apparatus structure schematic diagram of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
A kind of portable feed-back type battery service control system, referring to FIG. 1, negative including charger, battery group, system
Load, battery data logging device, portable feed-back type device, system monitor and switch K1-K5；
Wherein system load accesses DC bus by switch K2；
The input terminal of charger accesses AC network, and output end accesses DC bus by switch K1；
The input terminal of battery group passes through the defeated of switch K4 and portable feed-back type device by switch K3 access DC bus
Enter end electrical connection；The output end of battery group is electrically connected with the input terminal of battery data logging device；
The output end of portable feed-back type device accesses AC network by switch K5；
System monitor carries out data transmission with charger, battery data logging device and portable feed-back type device.
Wherein the charger includes several electric operation power high frequency switch power subelements.
Wherein the portable feed-back type device is referring to FIG. 2, including DC/AC major loop, control circuit, sample circuit, leading to
Interrogate circuit, display terminal and keyboard；Wherein the output end of sample circuit is electrically connected with the input terminal of control circuit, control circuit with
DC/AC major loop and communicating circuit carry out data transmission, and display terminal and keyboard are electrically connected with control circuit.
Wherein the communicating circuit is the circuit for including RS485 chip or CAN chip.
Assuming that system is 220VDC system, the capacity of battery group is 200AH, therefore battery group discharge current value is
0.1*200=20A, even charging voltage 242VDC, float charge voltage 230VDC, final discharging voltage 198VDC, DC bus
Minimum permission voltage is 192.5VDC.
When system operates normally, switch K1, K2, K3 are closed state, and K4, K5 are off-state, portable feed-back type
In the non-access system of device.AC network is charger power supply, and it by K1 is direct current that AC conversion is direct current by charger
Bussed supply, while being battery group electric energy supplement by K3.The output voltage of charger is generally operational in float charge voltage
230VDC。
When needing to carry out battery group electric discharge maintenance, the direct-flow input end of portable feed-back type device is connected to switch
K4, ac output end are connected to switch K5, this switch K4, and K5 is still remained off.By the communication terminal of portable feed-back type device
Mouth is connect with the PORT COM of system monitor, it is ensured that communication is normal.
After above-mentioned connection is correct, portable feed-back type device power supply is connected, if display terminal shows battery group
State is normal, then carries out corresponding discharge parameter setting.Battery group discharge off end voltage is set as 198VDC, battery group
Discharge current value is set as 20A, and charger output voltage setting is 195VDC (being arranged between 192.5~198VDC).
After setting completed, closure switch K4, if display terminal show state it is normal, can starting storage battery group maintenance process, dimension
After the starting of shield process, if display terminal shows that electric power storage tank discharge is normal, closure switch K5, portable feed-back type device is by basis
Battery group discharge current value and system load electric current Io, the input current value of adjust automatically itself, to guarantee battery group
The setting value that discharge current value is kept constant.Assuming that system load electric current be 5A, portable feed-back type device by automatically by itself
Input current is adjusted to 15A, and when system load electric current becomes 10A, portable feed-back type device will be automatically by the input electricity of itself
Stream is adjusted to 10A, remains that the discharge current of battery group is 20A.When the end voltage of battery group is reduced to 198VDC,
Portable feed-back type device will be automatically stopped work, issue prompt tone, and output data analysis is as a result, uploading system monitors simultaneously
Device, the output voltage that charger will be arranged in system monitor automatically is even charging voltage 242VDC, to be DC bus powered, simultaneously
For battery group electric energy supplement.After the maintenance for completing battery group, switch K5, K4 are disconnected, portable feed-back type device is cut off
Power supply disconnects the connection of portable feed-back type device and system monitor, and portable feed-back type device is separated with system.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (4)
1. a kind of portable feed-back type battery service control system, which is characterized in that negative including charger, battery group, system
Load, battery data logging device, portable feed-back type device, system monitor and switch K1-K5；
Wherein system load accesses DC bus by switch K2；
The input terminal of charger accesses AC network, and output end accesses DC bus by switch K1；
The input terminal of battery group accesses DC bus by switch K3, passes through the input terminal of switch K4 and portable feed-back type device
Electrical connection；The output end of battery group is electrically connected with the input terminal of battery data logging device；
The output end of portable feed-back type device accesses AC network by switch K5；
System monitor carries out data transmission with charger, battery data logging device and portable feed-back type device.
2. a kind of portable feed-back type battery service control system according to claim 1, which is characterized in that the charging
Machine includes several electric operation power high frequency switch power subelements.
3. a kind of portable feed-back type battery service control system according to claim 1, which is characterized in that described portable
Feed-back type device includes DC/AC major loop, control circuit, sample circuit, communicating circuit, display terminal and keyboard；Wherein sample
The output end of circuit is electrically connected with the input terminal of control circuit, and control circuit and DC/AC major loop and communicating circuit carry out data
Transmission, display terminal and keyboard are electrically connected with control circuit.
4. a kind of portable feed-back type battery service control system according to claim 3, which is characterized in that the communication
Circuit is the circuit for including RS485 chip or CAN chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020261.8A CN109888907A (en) | 2018-01-09 | 2018-01-09 | A kind of portable feed-back type battery service control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020261.8A CN109888907A (en) | 2018-01-09 | 2018-01-09 | A kind of portable feed-back type battery service control system |
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| Publication Number | Publication Date |
|---|---|
| CN109888907A true CN109888907A (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810020261.8A Pending CN109888907A (en) | 2018-01-09 | 2018-01-09 | A kind of portable feed-back type battery service control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157952A (en) * | 2010-02-12 | 2011-08-17 | 华东电网有限公司 | Intelligent storage battery discharge energy-saving device for constant-current multi-loop feedback power grid |
| CN206820086U (en) * | 2017-06-07 | 2017-12-29 | 深圳奥特迅电力设备股份有限公司 | A kind of accumulator on-line maintenance control circuit and system |
| CN207819550U (en) * | 2018-01-09 | 2018-09-04 | 广东电网有限责任公司电力调度控制中心 | A kind of portable feed-back type battery service control system |
-
2018
- 2018-01-09 CN CN201810020261.8A patent/CN109888907A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157952A (en) * | 2010-02-12 | 2011-08-17 | 华东电网有限公司 | Intelligent storage battery discharge energy-saving device for constant-current multi-loop feedback power grid |
| CN206820086U (en) * | 2017-06-07 | 2017-12-29 | 深圳奥特迅电力设备股份有限公司 | A kind of accumulator on-line maintenance control circuit and system |
| CN207819550U (en) * | 2018-01-09 | 2018-09-04 | 广东电网有限责任公司电力调度控制中心 | A kind of portable feed-back type battery service control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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