CN208508580U - A kind of online accumulator cell charging and discharging equipment - Google Patents
A kind of online accumulator cell charging and discharging equipment Download PDFInfo
- Publication number
- CN208508580U CN208508580U CN201821240681.9U CN201821240681U CN208508580U CN 208508580 U CN208508580 U CN 208508580U CN 201821240681 U CN201821240681 U CN 201821240681U CN 208508580 U CN208508580 U CN 208508580U
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- conversion circuit
- cell charging
- accumulator cell
- discharging equipment
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- 238000007599 discharging Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of online accumulator cell charging and discharging equipment of the utility model is what is involved is a kind of circuit maintenance equipment, the specifically to maintain equipment of substation's backup power source.A kind of online accumulator cell charging and discharging equipment is that multiple conversion circuit modules connect to form DC circuit, battery is connected separately with by corresponding circuit in each conversion circuit module, it is also correspondingly arranged on discharge instrument interface in each conversion circuit module, discharge instrument can have been assigned on discharge instrument interface；The conversion circuit module has electrode input end, negative input, and electrode input end, negative input are provided with switch K1；In the lower section of switch K1, it is also respectively provided with switch K2 and switch K6 on the elongated end of electrode input end, switch K3 and switch K7 are also respectively provided on the elongated end of negative input；The anode of discharge instrument interface is connected between switch K2 and switch K6, and the cathode of discharge instrument interface is connected between switch K3 and switch K7.
Description
Technical field
What is involved is a kind of circuit maintenance equipment for a kind of online accumulator cell charging and discharging equipment of the utility model, specifically
The to maintain equipment of substation's backup power source.
Background technique
The transformer station direct current system method of operation is at present: AC system is main power supply in standing, when interior AC system event of standing
When barrier, battery group is powered as backup power source for direct current system, direct current needed for providing whole station relay protection and communication equipment
Electricity.But when needing to carry out battery group verification property charge/discharge operation, need the connection by battery group and direct current system
Fuse disconnects, and carries out discharge operation direct-current discharge instrument is connected with battery group.Safety existing for the technical solution is hidden at present
Trouble is: AC system is the unique power supply of direct current system in standing at this time, and when fault in ac transmission system in station, direct current system is simultaneously
Power supply capacity will be lost, stand in relay protection and communication equipment lose the job power supply, can not work normally.Substation loses directly
Galvanic electricity source, will be unable to that (such as conducting wire, which meets foreign matter short circuit, cable is caused to be mined machine, to be dug disconnected and make to any failure in electric system
At short circuit etc.) it makes a response, it is possible to lesser failure is due to not cutting off in time and to the safe and stable operation of entire power grid
It threatens.So transforming plant DC power supply has very important effect the safe and stable operation of power grid, it must so having
The new equipment of one kind is designed to meet actual use demand.
Utility model content
The utility model in view of the above deficiencies and actual demand, provides a kind of online accumulator cell charging and discharging equipment, energy
Enough in case of constant power, charge and discharge electro-detection is carried out to battery single in battery group, uses and push away with good
Wide effect.
A kind of online accumulator cell charging and discharging equipment is that multiple conversion circuit modules connect to form DC circuit, at each turn
It changes on circuit module and battery is connected separately with by corresponding circuit, be also correspondingly arranged on and put in each conversion circuit module
Electric instrument interface can assign discharge instrument on discharge instrument interface；
The conversion circuit module has electrode input end, negative input, sets in electrode input end, negative input
It is equipped with switch K1；In the lower section of switch K1, switch K2 and switch K6 are also respectively provided on the elongated end of electrode input end,
Switch K3 and switch K7 are also respectively provided on the elongated end of negative input；The anode of discharge instrument interface is connected to switch
Between K2 and switch K6, the cathode of discharge instrument interface is connected between switch K3 and switch K7.
Switch K4 is provided on the anode of discharge instrument interface.
Switch K5 is provided on the cathode of discharge instrument interface.
The battery is rechargeable type battery, preferably lithium battery or lead-acid accumulator.
The discharge instrument is commercially available.
The switch (from K1 to K7) is thyristor switch or relay.
It is additionally provided with sub-controller in each conversion circuit module, for controlling the unlatching of conversion circuit module upper switch
State, the sub-controller are single-chip microcontroller, further preferably Motorola M6805.
Master controller is additionally provided in online accumulator cell charging and discharging equipment, master controller passes through data line and each conversion
Sub-controller on circuit module is attached, and the working condition of sub-controller can be controlled by master controller, and described is total
Controller is single-chip microcontroller or programmable controller, further preferably Motorola M68H1C16.
Data bussing devices are additionally provided on master controller, data bussing devices are attached with display；Described
Data bussing devices are data line or wifi transmitter.
Working principle
When without carrying out charge and discharge electro-detection to battery, multiple conversion circuit modules are passed through into electrode input end, cathode
Input terminal carries out head and the tail series connection, and switch K6 is located in conversion circuit module and the tail end of switch K7 is connected with corresponding electric power storage
Pond, switch K1, switch K4, switch K5 are in normally open, and switch K2, switch K6, switch K3, switch K7 are in normally closed shape
State guarantees that the battery in all conversion circuit modules is cascaded；
When needing to carry out charge and discharge electro-detection to the battery in wherein any one conversion circuit module, pass through master control
Device sends instructions to corresponding sub-controller, and switch K2, K3 are arranged to normally open, and switch K1 is arranged to normally off,
DC circuit is in direct current energized state other than to the conversion circuit module of charge and discharge electro-detection；By discharge instrument by putting
Electric instrument interface is linked into conversion circuit module, closure switch K4, K5, K6, K7；If the electric power storage in conversion circuit module
Pond needs replacing, and also can send instructions to sub-controller by master controller, and switch K2, K3 are arranged to normally open, will
Switch K1 is arranged to normally off, directly replaces corresponding battery.
The utility model is skillfully constructed, structure is simple, easy to use, can not cut off the direct current system as backup power source
In the case where system power supply, charge and discharge electro-detection remotely is carried out to conversion circuit module single on backup power source, and can be according to need
Replace with the corresponding battery in face, it is therefore prevented that when carrying out backup power source detection, as AC system in the station of main power supply
It can not be reacted in time when occurring unexpected；Reduce impact of the failure to power grid, to ensure the stabilization of operation of power networks
Property, there is good use and promotion effect.
Detailed description of the invention
Below in conjunction with attached drawing, the utility model is described in further detail:
Fig. 1 is a kind of connection status structural schematic diagram of online accumulator cell charging and discharging equipment of the utility model；
Fig. 2 is the structural schematic diagram of conversion circuit module in a kind of online accumulator cell charging and discharging equipment of the utility model
(DC circuit connection status)；
Fig. 3 is the structural schematic diagram of conversion circuit module in a kind of online accumulator cell charging and discharging equipment of the utility model
(charge and discharge detecting state).
Specific embodiment
Referring to attached drawing 1-3, a kind of online accumulator cell charging and discharging equipment is that the series connection of multiple conversion circuit modules 1 forms direct current
Circuit is connected separately with battery 2 by corresponding circuit in each conversion circuit module 1, in each conversion circuit module 1
On be also correspondingly arranged on discharge instrument interface, discharge instrument 3 can have been assigned on discharge instrument interface；
The conversion circuit module 1 has electrode input end, negative input, in electrode input end, negative input
It is provided with switch K1；In the lower section of switch K1, switch K2 and switch are also respectively provided on the elongated end of electrode input end
K6 is also respectively provided with switch K3 and switch K7 on the elongated end of negative input；The anode of discharge instrument interface is connected to
Between switch K2 and switch K6, the cathode of discharge instrument interface is connected between switch K3 and switch K7.
Switch K4 is provided on the anode of discharge instrument interface.
Switch K5 is provided on the cathode of discharge instrument interface.
The battery 2 is rechargeable type battery, preferably lithium battery or lead-acid accumulator.
The discharge instrument 3 is commercially available.
The switch (from K1 to K7) is thyristor switch or relay.
Sub-controller 4 is additionally provided in each conversion circuit module, for controlling opening for conversion circuit module upper switch
State is opened, the sub-controller 4 is single-chip microcontroller.
Master controller is additionally provided in online accumulator cell charging and discharging equipment, master controller passes through data line and each conversion
Sub-controller 4 on circuit module is attached, and the working condition of sub-controller can be controlled by master controller, and described is total
Controller is single-chip microcontroller or programmable controller.
Data bussing devices are additionally provided on master controller, data bussing devices are attached with display；Described
Data bussing devices are data line or wifi transmitter.
Claims (8)
1. a kind of online accumulator cell charging and discharging equipment, it is characterised in that: connect to form direct current for multiple conversion circuit modules
Road is connected separately with battery by corresponding circuit in each conversion circuit module, in each conversion circuit module also
It is correspondingly arranged on discharge instrument interface, discharge instrument can have been assigned on discharge instrument interface；
The conversion circuit module has electrode input end, negative input, is provided in electrode input end, negative input
Switch K1；In the lower section of switch K1, it is also respectively provided with switch K2 and switch K6 on the elongated end of electrode input end, is located at
Switch K3 and switch K7 are also respectively provided on the elongated end of negative input；The anode of discharge instrument interface be connected to switch K2 and
Between switch K6, the cathode of discharge instrument interface is connected between switch K3 and switch K7.
2. a kind of online accumulator cell charging and discharging equipment according to claim 1, it is characterised in that: discharge instrument interface is just
Switch K4 is provided on extremely.
3. a kind of online accumulator cell charging and discharging equipment according to claim 1, it is characterised in that: discharge instrument interface is born
Switch K5 is provided on extremely.
4. a kind of online accumulator cell charging and discharging equipment according to claim 1, it is characterised in that: the battery is
Lithium battery or lead-acid accumulator.
5. a kind of online accumulator cell charging and discharging equipment according to claim 1, it is characterised in that: the switch is
Thyristor switch or relay.
6. a kind of online accumulator cell charging and discharging equipment according to claim 5, it is characterised in that: in each conversion circuit
Sub-controller is additionally provided in module, sub-controller is single-chip microcontroller.
7. a kind of online accumulator cell charging and discharging equipment according to claim 6, it is characterised in that: online battery fills
Be additionally provided with master controller on discharge equipment, master controller by the sub-controller on data line and each conversion circuit module into
Row connection, the working condition of sub-controller can be controlled by master controller, and the master controller is single-chip microcontroller or may be programmed
Controller.
8. a kind of online accumulator cell charging and discharging equipment according to claim 7, it is characterised in that: on master controller also
Data bussing devices are provided with, data bussing devices are attached with display；The data bussing devices be data line or
Wifi transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240681.9U CN208508580U (en) | 2018-08-02 | 2018-08-02 | A kind of online accumulator cell charging and discharging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240681.9U CN208508580U (en) | 2018-08-02 | 2018-08-02 | A kind of online accumulator cell charging and discharging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208508580U true CN208508580U (en) | 2019-02-15 |
Family
ID=65299755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240681.9U Active CN208508580U (en) | 2018-08-02 | 2018-08-02 | A kind of online accumulator cell charging and discharging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208508580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151893A (en) * | 2020-09-30 | 2020-12-29 | 大庆辉谷能源科技有限公司 | Storage battery with USB output electric energy controllable |
-
2018
- 2018-08-02 CN CN201821240681.9U patent/CN208508580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151893A (en) * | 2020-09-30 | 2020-12-29 | 大庆辉谷能源科技有限公司 | Storage battery with USB output electric energy controllable |
| CN112151893B (en) * | 2020-09-30 | 2022-02-08 | 大庆辉谷能源科技有限公司 | Storage battery with USB output electric energy controllable |
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