CN205791741U - Accumulator is at line core capacitance device - Google Patents
Accumulator is at line core capacitance device Download PDFInfo
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- CN205791741U CN205791741U CN201620468242.8U CN201620468242U CN205791741U CN 205791741 U CN205791741 U CN 205791741U CN 201620468242 U CN201620468242 U CN 201620468242U CN 205791741 U CN205791741 U CN 205791741U
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- accumulator
- battery
- accumulator battery
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Abstract
The utility model discloses a kind of accumulator at line core capacitance device, including charger, accumulator battery, discharge instrument, battery data logging device, charge switch K1, check diode D1, fuse RD, permutator K2, the ac input end of described charger connects alternating current power supply, the DC output end charged switch K1 of described charger is connected to dc bus, 1 end of described permutator K2 is connected to the anode of dc bus, 2 ends of permutator K2 are connected to the positive pole of accumulator battery, the negative electrode of the 3 termination check diode D1 of permutator K2, the anode of check diode D1 is followed by the positive pole of accumulator battery through fuse RD, the negative pole of described accumulator battery is connected to the negative terminal of dc bus, described accumulator battery is just, negative pole is connected to discharge instrument, described battery data logging device is connected to accumulator battery.The converted switch of charger of the present utility model, check diode and fuse concatenation are followed by accumulator battery, and when system needs big electric current, accumulator can provide required electric current to closing bus bar and control bus.
Description
Technical field
This utility model relates to a kind of accumulator at line core capacitance device, belongs to power-supply device technical field.
Background technology
Storage batteries of transformer substation is in the case of power system transformer substation electricity consumption is broken down, and carries for visual plant
For the important device of operation power supply, higher to job stability, the reliability requirement of storage batteries of transformer substation.Right
Accumulator battery carries out capacity verification property discharge and recharge test, is called for short core and holds.At present, conventional core capacitance type be by
Accumulator is discharged after departing from charger by accumulator, and the DC equipment of whole transformer station relies on charging
Equipment provides power supply, and when emergency stop valve trip switch overlaps, partial switch switching current is very big (about 100A),
And the charger maximum current being now powered typically only has 30A, it is impossible to meet the power reguirements of system,
Safe operation to transformer station causes danger.
Utility model content
The purpose of this utility model be to provide a kind of accumulator at line core capacitance device, when making battery discharging not
Depart from straight-flow system, action current can be provided for switch during protection act, it is ensured that do not affect whole transformer station
Safe operation, can play activation to self again simultaneously.
The purpose of this utility model is achieved by the following technical programs:
A kind of accumulator, at line core capacitance device, is patrolled including charger 1, accumulator battery 2, discharge instrument 3, battery
Inspection instrument 4, charge switch K1, check diode D1, fuse RD, permutator K2, described charger 1
Ac input end connect alternating current power supply, the DC output end charged switch K1 of described charger 1 is connected to directly
Stream bus, 1 end of described permutator K2 is connected to the anode of dc bus, 2 terminations of permutator K2
In the positive pole of accumulator battery 2, the negative electrode of the 3 termination check diode D1 of permutator K2, check two pole
The anode of pipe D1 is followed by the positive pole of accumulator battery 2 through fuse RD, and the negative pole of described accumulator battery 2 is connected to
The negative terminal of dc bus, the positive and negative electrode of described accumulator battery 2 is connected to discharge instrument 3, described battery data logging device 4
It is connected to the voltage parameter of accumulator battery 2 on-line monitoring accumulator battery 2, and parameter signal is delivered to electric discharge
Instrument 3.
The purpose of this utility model can also be realized further by techniques below measure:
Aforementioned accumulator cells is at line core capacitance device, and wherein discharge instrument 3 model is HDGC3982.
Aforementioned accumulator cells is at line core capacitance device, and wherein battery data logging device 4 model is BATM30.
Aforementioned accumulator cells, at line core capacitance device, also includes that voltmeter V1, described voltmeter V1 two end are connected to store
Between the positive and negative electrode of set of cells 2.
Aforementioned accumulator cells, at line core capacitance device, also includes that ammeter A1, described ammeter A1 are connected in series in
Between negative terminal and the negative pole of accumulator battery 2 of dc bus.
Compared with prior art, the beneficial effects of the utility model are: the converted switch of charger, check two
Pole pipe and fuse concatenation are followed by accumulator battery, due to check diode between accumulator and charger
Existing, when line core holds, accumulator can not be charged by charger, and accumulator can bring discharge instrument
Load and the electric discharge of part normal duty.When system needs big electric current, accumulator can provide required electric current to arrive
Closing bus bar and control bus, it is ensured that the safe operation of system.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, accumulator line core capacitance device include charger 1, accumulator battery 2, discharge instrument 3,
Battery data logging device 4, charge switch K1, check diode D1, fuse RD, permutator K2, wherein
Discharge instrument 3 model is HDGC3982, and battery data logging device 4 model is BATM30.
The ac input end of described charger 1 connects alternating current power supply, and the DC output end of described charger 1 is through filling
Electric switch K1 is connected to dc bus, and 1 end of described permutator K2 is connected to the anode of dc bus, turns
2 ends changing switch K2 are connected to the positive pole of accumulator battery 2, the 3 termination check diode D1 of permutator K2
Negative electrode, the anode of check diode D1 is followed by the positive pole of accumulator battery 2, described electric power storage through fuse RD
The negative pole of pond group 2 is connected to the negative terminal of dc bus, and the positive and negative electrode of described accumulator battery 2 is connected to discharge instrument 3,
Described battery data logging device 4 is connected to the voltage parameter of accumulator battery 2 on-line monitoring accumulator battery 2, and will ginseng
Number signal is delivered to discharge instrument 3.
Aforementioned accumulator cells, at line core capacitance device, also includes voltmeter V1, ammeter A1, described voltmeter V1
Two ends are connected between the positive and negative electrode of accumulator battery 2, and described ammeter A1 is connected in series in the negative of dc bus
Between end and the negative pole of accumulator battery 2.Battery tension, current parameters are measured, show.
Discharge instrument of the present utility model is received in accumulator battery, measures electric discharge electricity when accumulator normally works
The constant-current discharge value of discharge instrument is set, now owing to there being check diode between accumulator and charger after stream
Existing, accumulator can not be charged by charger, and accumulator can bring load and the part of discharge instrument
Normal duty discharges.When system needs big electric current, accumulator can also provide current to bus, it is ensured that is
The safe operation of system.When system low-voltage or single-unit battery tension are less than the minimum discharge voltage set, it is
System is automatically stopped electric discharge and prevents the damage to accumulator.
Battery data logging device on-line tracing monitoring battery voltage, charging and discharging currents, battery surface temperature；Battery
The unit voltage of logging test accumulator and total voltage, and input discharge instrument, when battery tension is less than setting
When fixed unit voltage or total voltage, discharge instrument quits work.
In addition to the implementation, this utility model can also have other embodiments, all employing equivalents or
The technical scheme that equivalent transformation is formed, all falls within the protection domain of this utility model requirement.
Claims (5)
1. an accumulator is at line core capacitance device, it is characterised in that include charger (1), accumulator battery (2),
Discharge instrument (3), battery data logging device (4), charge switch K1, check diode D1, fuse RD, turn
Changing switch K2, the ac input end of described charger (1) connects alternating current power supply, described charger (1) straight
Stream outfan charged switch K1 is connected to dc bus, and it is female that 1 end of described permutator K2 is connected to direct current
The anode of line, 2 ends of permutator K2 are connected to the positive pole of accumulator battery (2), the 3 of permutator K2
The negative electrode of termination check diode D1, the anode of check diode D1 is followed by accumulator battery (2) through fuse RD
Positive pole, the negative pole of described accumulator battery (2) is connected to the negative terminal of dc bus, described accumulator battery (2)
Positive and negative electrode be connected to discharge instrument (3), described battery data logging device (4) is connected to accumulator battery (2), online
The voltage parameter of monitoring accumulator battery (2), and parameter signal is delivered to discharge instrument (3).
2. accumulator as claimed in claim 1 is at line core capacitance device, it is characterised in that described discharge instrument (3)
Model is HDGC3982.
3. accumulator as claimed in claim 1 is at line core capacitance device, it is characterised in that described battery inspection
Instrument (4) model is BATM30.
4. accumulator as claimed in claim 1 is at line core capacitance device, it is characterised in that also include voltmeter
V1, described voltmeter V1 two end is connected between the positive and negative electrode of accumulator battery (2).
5. accumulator as claimed in claim 1 is at line core capacitance device, it is characterised in that also include ammeter
A1, described ammeter A1 are connected in series between the negative terminal of dc bus and the negative pole of accumulator battery (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468242.8U CN205791741U (en) | 2016-05-20 | 2016-05-20 | Accumulator is at line core capacitance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468242.8U CN205791741U (en) | 2016-05-20 | 2016-05-20 | Accumulator is at line core capacitance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791741U true CN205791741U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620468242.8U Active CN205791741U (en) | 2016-05-20 | 2016-05-20 | Accumulator is at line core capacitance device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896711A (en) * | 2016-05-20 | 2016-08-24 | 国网江苏省电力公司镇江供电公司 | Online capacity checking device for storage batteries |
| CN110568368A (en) * | 2019-09-17 | 2019-12-13 | 陕西意联电气设备有限公司 | Method and device for online nuclear capacity discharge of storage battery of power system |
| CN113253124A (en) * | 2021-04-28 | 2021-08-13 | 国网河北省电力有限公司电力科学研究院 | Safe and energy-saving power storage battery nuclear capacity discharging device and method |
| CN113777504A (en) * | 2021-08-31 | 2021-12-10 | 云南电网有限责任公司保山供电局 | Storage battery pack capacity checking system |
-
2016
- 2016-05-20 CN CN201620468242.8U patent/CN205791741U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896711A (en) * | 2016-05-20 | 2016-08-24 | 国网江苏省电力公司镇江供电公司 | Online capacity checking device for storage batteries |
| CN110568368A (en) * | 2019-09-17 | 2019-12-13 | 陕西意联电气设备有限公司 | Method and device for online nuclear capacity discharge of storage battery of power system |
| CN113253124A (en) * | 2021-04-28 | 2021-08-13 | 国网河北省电力有限公司电力科学研究院 | Safe and energy-saving power storage battery nuclear capacity discharging device and method |
| CN113777504A (en) * | 2021-08-31 | 2021-12-10 | 云南电网有限责任公司保山供电局 | Storage battery pack capacity checking system |
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