CN206684279U - Storage batteries of transformer substation departs from dc bus monitoring system - Google Patents
Storage batteries of transformer substation departs from dc bus monitoring system Download PDFInfo
- Publication number
- CN206684279U CN206684279U CN201720477476.3U CN201720477476U CN206684279U CN 206684279 U CN206684279 U CN 206684279U CN 201720477476 U CN201720477476 U CN 201720477476U CN 206684279 U CN206684279 U CN 206684279U
- Authority
- CN
- China
- Prior art keywords
- battery
- bus
- microcontroller
- monitoring device
- departs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
It the utility model is related to a kind of storage batteries of transformer substation and depart from dc bus monitoring system, including battery system voltage increment monitoring device, accumulator body voltage attenuation monitoring device, battery floating charge stream monitoring device, battery fuse monitoring device, bus of storage battery on off state monitoring device, battery-operated on off state monitoring device, communicator, microcontroller, display device, warning device and server.The utility model can find whether battery departs from dc bus in time, improve the safety and reliability of transforming plant DC power-supply system, it is ensured that the stabilization of power grids is safely run.
Description
Technical field
Storage batteries of transformer substation monitoring field is the utility model is related to, departs from direct current more particularly to a kind of storage batteries of transformer substation
Bus monitoring system.
Background technology
Battery is power supply most reliable and stable in transformer station, is the loops such as power transformation station center control, protection, combined floodgate, locking
Power supply is provided with equipment.Straight-flow system in whole transformer station is that the dc source provided with charger is that whole system is powered.
And the power supply of charger is AC power in station.If battery depart from dc bus, once accident occurs, stand in dead electricity, meeting
Cause whole straight-flow system to lose power supply, and protect, control device can not act, be expanded to upper level by causing the accident.Therefore,
For battery whether depart from dc bus detect it is significant.But in the conventional technology, depend on O＆M
Personnel on site patrols, and not only efficiency is low for this mode, and in the case of inspection not in time serious safety will be caused hidden
Suffer from.
Utility model content
Based on this, the utility model provides a kind of storage batteries of transformer substation and departs from dc bus monitoring system, to battery
Running status is monitored, and can find whether battery departs from dc bus in time.
To achieve the above object, the utility model embodiment uses following technical scheme：
A kind of storage batteries of transformer substation departs from dc bus monitoring system, including：Battery system voltage increment monitoring device,
Accumulator body voltage attenuation monitoring device, battery floating charge stream monitoring device, battery fuse monitoring device, battery
Bus-tie circuit breaker state monitoring apparatus, battery-operated on off state monitoring device, communicator, microcontroller, display device, report
Alarm device and server；
The battery system voltage increment monitoring device, battery decay monitoring device, the battery floating charge
Current monitoring device respectively connects battery and the microcontroller in transformer station；
The battery fuse monitoring device is connected with the fuse of the battery and the microcontroller respectively, institute
Bus of storage battery on off state monitoring device is stated to be connected with the bus-tie circuit breaker of the battery and the microcontroller respectively, it is described
Battery-operated on off state monitoring device is connected with the operating switch of the battery and the microcontroller respectively；
The communicator connects the microcontroller and the server, the display device and the alarm dress respectively
Put and equal be connected with the microcontroller.
Optionally, the battery system voltage increment monitoring device includes being used to detect control bus in the transformer station
The first voltage sensor of voltage, second voltage sensor and calculus of differences circuit for detecting the battery tension；
The first voltage sensor and the second voltage sensor are respectively connecting to the input of the calculus of differences circuit, described
The output end of calculus of differences circuit is connected with the microcontroller.
The calculus of differences circuit can carry out analysis calculating into microcontroller with output difference voltage signal.
Optionally, the accumulator body voltage attenuation measurement apparatus includes periodically gathering the of the battery tension
Three voltage sensors, the tertiary voltage sensor are connected with the microcontroller.Microcontroller can be according to changing over time
Battery tension fit attenuation curve, if the attenuation curve fitted meets certain requirements, illustrate that battery departs from
Dc bus.
Optionally, the battery floating charge stream monitoring device includes being used for the current sense for gathering battery floating charge stream
Device, the current sensor are connected with the battery, the microcontroller respectively.
The current sensor can use high-precision current anti-saturation sensor, to obtain more accurate testing result.
Optionally, the battery fuse monitoring device includes being used for the fuse state for monitoring the battery suddenly
That sensor, the Hall sensor are connected with the fuse of the battery and the microcontroller respectively.
The Hall sensor can use modern high accuracy, highly sensitive Hall sensor, to improve accuracy of detection.
Optionally, the bus of storage battery on off state monitoring device includes the first photo-coupler, first optical coupling
The input of device is connected with the position contact of the bus-tie circuit breaker, output end and the microcontroller of first photo-coupler
Connection.
After the work of first photo-coupler, its output signal is inputted into microcontroller, the intellectual analysis through microcontroller, can
To judge the closure of bus-tie circuit breaker and cut-off state.Simultaneously as the effect of photo-coupler, signal one-way transmission, input
Electrical isolation is fully achieved with output end, output signal is on input without influence, strong antijamming capability.
Optionally, the battery-operated on off state monitoring device includes the second photo-coupler, second optical coupling
The input of device is connected with the position contact of the operating switch of the battery, the output end of second photo-coupler with it is described
Microcontroller connects.
Microcontroller analyzes the output signal of the second photo-coupler, it can be determined that the closure of battery-operated switch and disconnection
State.
Optionally, the communicator includes gsm communication module, 3G communication modules or 4G communication modules.
Optionally, the warning device is alarm bell or warning light.
The utility model can monitor the voltage change situation of battery, charging and discharging state in real time, and can monitor battery
Whether fuse fuse, monitors the conducting state of bus of storage battery switch and operating switch, realizes batteries and dc bus
Connection and the various dimensions monitoring of running status show with data, battery disengaging dc bus can be found in time, and give and report
Alert prompting, substantially increase the safety and reliability of transforming plant DC power-supply system, it is ensured that the stabilization of power grids is safely run.
Brief description of the drawings
Fig. 1 is the first structure signal that storage batteries of transformer substation departs from dc bus monitoring system in the utility model embodiment
Figure；
Fig. 2 is the first structure signal that storage batteries of transformer substation departs from dc bus monitoring system in the utility model embodiment
Figure；
Fig. 3 is the first structure signal that storage batteries of transformer substation departs from dc bus monitoring system in the utility model embodiment
Figure.
Embodiment
Content of the present utility model is described in further detail below in conjunction with preferred embodiment and accompanying drawing.Obviously, under
Embodiment described by text is only used for explaining the utility model, rather than to restriction of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of the utility model protection.
It should be appreciated that although various information, but these are hereinafter described using term " first ", " second " etc.
Information should not necessarily be limited by these terms, and these terms are only used for same type of information being distinguished from each other out.For example, this is not being departed from
In the case of utility model scope, " first " information can also be referred to as " second " information, similar, and " second " information can also
It is referred to as " first " information.It also should be noted that for the ease of describing, illustrate only and the utility model phase in accompanying drawing
The part of pass rather than full content.
Fig. 1 is the first structure signal that storage batteries of transformer substation departs from dc bus monitoring system in the utility model embodiment
Figure.In the present embodiment, storage batteries of transformer substation departs from dc bus monitoring system and included：Battery system voltage increment monitoring dress
Put 1, accumulator body voltage attenuation monitoring device 2, battery floating charge stream monitoring device 3, battery fuse monitoring device
4th, bus of storage battery on off state monitoring device 5, battery-operated on off state monitoring device 6, communicator 7, microcontroller 8
And server 9.
Wherein, battery system voltage increment monitoring device 1, battery decay monitoring device 2, battery floating charge stream prison
Survey device 3 respectively connects battery and microcontroller 8 in transformer station.
Battery fuse monitoring device 4 is connected with the fuse and microcontroller 8 of battery respectively, and bus of storage battery is opened
Off status monitoring device 5 is connected with the bus-tie circuit breaker and microcontroller 8 of battery respectively, battery-operated on off state monitoring dress
6 are put to be connected with the operating switch and microcontroller 8 of battery respectively.Communicator 7 connects microcontroller 8 and server respectively
9。
In the present embodiment, battery system voltage increment monitoring device 1 is used for the voltage increment for monitoring battery system,
Signified voltage increment is control bus voltage U1 and battery tension U2 difference herein, when battery normal work, reason
Zero is should be by upper control bus voltage U1 and battery tension U2 difference, in practice control bus voltage U1 and battery tension
U2 difference also very little, close to zero.
Accumulator body voltage attenuation monitoring device 2 is used for the dough softening situation for monitoring battery tension U2, if battery
Depart from bus, the curve that battery tension changes over time will meet：
U2 is battery tension in formula (1), and Ue is battery tension decay moment rated value, and R, C are that battery returns respectively
Internal resistance, electric capacity in road.
Battery floating charge stream monitoring device 3 is used to monitor the floating current I of battery, if battery without departing from bus,
The floating current I of battery should be not equal to zero in theory.Battery fuse monitoring device 4 is used to monitor battery fuse
Cut-off state, it is ensured that operating fuse is in serviceable condition.Bus of storage battery on off state monitoring device 5 is used to monitor mother
The conducting state of wiretap, it is ensured that battery does not depart from bus when running, and unusual condition does not occur for voltage x current.Battery-operated
On off state monitoring device 6 is used for the conducting state for monitoring battery-operated switch, it is ensured that control bus voltage and storage battery
Press indifference.
Microcontroller 8 is used for the data for receiving above-mentioned each monitoring device transmission, and carries out comprehensive analysis, judges battery
Whether bus is departed from.Optionally, when any one that microcontroller 8 determines in following condition by analysis meets, judge to store
Battery departs from bus：
(1) control bus voltage U1 and battery tension U2 difference are not zero, and more than the threshold value of setting；
(2) battery tension U2 meets with time attenuation changeWherein, U2 is battery tension, and Ue is
Battery tension is decayed moment rated value, and R, C are internal resistance in battery loop, electric capacity respectively；
(3) the floating current I of battery is more than threshold current (threshold current close to zero)；
(4) battery fuse disconnects；
(5) bus of storage battery switches off；
(6) battery-operated switches off.
Microcontroller 8 is communicated by communicator 7 with server 9, and analyze data is transmitted to server 9, backstage
Personnel can obtain the online monitoring data of battery by server 9, and can judge whether battery departs from bus run.Its
In, communicator 7 can use 3G communication modules, 4G communication modules etc..
It is preferred that shown in reference picture 2, the storage batteries of transformer substation in the present embodiment departs from dc bus monitoring system and also included
Display device 10, the display device 10 are connected with microcontroller 8.Display device 10 can show microcontroller 8 export wait show
Registration evidence.Optionally, microcontroller 8 forms job analysis list, the list after analyzing the data of each monitoring device collection
In contain every analyze data and curve, display device 10 can show the job analysis list, and when have data exception or
During curve abnormality, it is directed to abnormal data or curve is prompted, for example mark red abnormal data or curve automatically, reminds fortune
Dimension maintainer investigates failure cause and carries out respective handling in time.
Further, shown in reference picture 2, the storage batteries of transformer substation in the present embodiment departs from dc bus monitoring system and may be used also
Including the warning device 11 being connected with microcontroller 8, the warning device 11 is used to enter according to the abnormal signal that microcontroller 8 exports
Row alarm, to remind O＆M maintainer.Optionally, microcontroller 8 is analyzed the data of each monitoring device collection respectively,
When the data for having any one monitoring device to gather occur abnormal, microcontroller 8 can generate corresponding abnormal signal, to drive
Dynamic warning device 11 sends alarm.Wherein, warning device 11 can be the warning device of any one sound, light or other forms,
Such as alarm bell, warning light etc..
In a kind of optional embodiment, shown in reference picture 3, battery system voltage increment monitoring device 1 includes the
One voltage sensor 101a, second voltage sensor 101b and calculus of differences circuit 102.Wherein, first voltage sensor
101a is used to detect control bus voltage U1 in transformer station, and second voltage sensor 101b is used to detect battery tension U2, the
One voltage sensor 101a and second voltage sensor 101b is respectively connecting to the input of calculus of differences circuit 102, difference fortune
The output end for calculating circuit 102 is connected with microcontroller 8.Calculus of differences circuit 102 can be with output difference voltage signal △ U to microcontroller
Analysis calculating is carried out in device 8, wherein, △ U=U1-U2.
In a kind of optional embodiment, shown in reference picture 3, accumulator body voltage attenuation measurement apparatus 2 include with
The tertiary voltage sensor 201 that microcontroller 8 connects, the tertiary voltage sensor 201 periodically gathers battery tension, and shines
Time passage is by the control source collected into microcontroller 8.Microcontroller 8 can be according to the storage battery changed over time
Press to fit attenuation curve, if the attenuation curve fitted meets formula (1), illustrate that battery departs from dc bus.
Alternatively, shown in reference picture 3, battery floating charge stream monitoring device 3 includes being used to gather battery floating charge stream
Current sensor 301, the current sensor 301 is connected with battery, microcontroller 8 respectively.Current sense in the present embodiment
Device 301 can use high-precision current anti-saturation sensor, can obtain more accurate testing result.
Optionally, shown in reference picture 3, battery fuse monitoring device 4 include respectively with the fuse of battery and micro-
The Hall sensor 401 that controller 8 connects, what Hall sensor 401 was used to monitoring battery fuse cut-offs state.This implementation
Hall sensor 401 in example is using modern high accuracy, highly sensitive Hall sensor, to improve accuracy of detection.
Optionally, shown in reference picture 3, bus of storage battery on off state monitoring device 5 includes the first photo-coupler 501, the
The input of one photo-coupler 501 and the position contact of bus-tie circuit breaker connect, the output end and microcontroller of the first photo-coupler 501
Device 8 connects.Specifically, the empty position contact of bus-tie circuit breaker can be accessed to the input of the first photo-coupler 501, the first optical coupling
After device 501 works, its output signal is inputted into microcontroller 8, the intellectual analysis through microcontroller 8, it can be determined that go out bus
The closure of switch is with cut-offfing state.Simultaneously as the effect of photo-coupler, signal one-way transmission, input are complete with output end
Electrical isolation is realized, output signal is on input without influence, strong antijamming capability.
Optionally, shown in reference picture 3, battery-operated on off state monitoring device 6 includes the second photo-coupler 601, the
The position contact of the input of two photo-couplers 601 and the operating switch of battery connects, the output end of the second photo-coupler 601
It is connected with microcontroller 8.Similarly, battery-operated can be switched to the input that empty position contact accesses the second photo-coupler 601
End, after the work of the second photo-coupler 601, its output signal is inputted into microcontroller 8, the intellectual analysis through microcontroller 8, can
To judge the closure of battery-operated switch and cut-off state.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of storage batteries of transformer substation departs from dc bus monitoring system, it is characterised in that including：Battery system voltage increment
Monitoring device, accumulator body voltage attenuation monitoring device, battery floating charge stream monitoring device, battery fuse monitoring dress
Put, be bus of storage battery on off state monitoring device, battery-operated on off state monitoring device, communicator, microcontroller, aobvious
Showing device, warning device and server；
The battery system voltage increment monitoring device, battery decay monitoring device, the battery floating charge stream
Monitoring device respectively connects battery and the microcontroller in transformer station；
The battery fuse monitoring device is connected with the fuse of the battery and the microcontroller respectively, the storage
Battery power feeds on off state monitoring device is connected with the bus-tie circuit breaker of the battery and the microcontroller respectively, the electric power storage
Pond operating switch state monitoring apparatus is connected with the operating switch of the battery and the microcontroller respectively；
The communicator connects the microcontroller and the server respectively, and the display device and the warning device are equal
It is connected with the microcontroller.
2. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Cell system voltage increment monitoring device includes being used for first voltage sensor, the use for detecting control bus voltage in the transformer station
In the second voltage sensor and calculus of differences circuit that detect the battery tension；
The first voltage sensor and the second voltage sensor are respectively connecting to the input of the calculus of differences circuit,
The output end of the calculus of differences circuit is connected with the microcontroller.
3. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Pond bulk voltage attenuation measurement device includes periodically gathering the tertiary voltage sensor of the battery tension, the 3rd electricity
Pressure sensor is connected with the microcontroller.
4. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Pond floating current monitoring device includes being used for gathering the current sensor of battery floating charge stream, the current sensor respectively with
The battery, microcontroller connection.
5. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Pond fuse monitoring device includes being used to monitor the Hall sensor of the fuse state of the battery, the Hall sensor
It is connected respectively with the fuse of the battery and the microcontroller.
6. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Pond bus-tie circuit breaker state monitoring apparatus includes the first photo-coupler, input and the bus-tie circuit breaker of first photo-coupler
The connection of position contact, the output end of first photo-coupler is connected with the microcontroller.
7. storage batteries of transformer substation according to claim 1 departs from dc bus monitoring system, it is characterised in that the electric power storage
Pond operating switch state monitoring apparatus includes the second photo-coupler, input and the battery of second photo-coupler
The position contact connection of operating switch, the output end of second photo-coupler are connected with the microcontroller.
8. storage batteries of transformer substation according to any one of claim 1 to 7 departs from dc bus monitoring system, its feature exists
In the communicator includes gsm communication module, 3G communication modules or 4G communication modules.
9. storage batteries of transformer substation according to any one of claim 1 to 7 departs from dc bus monitoring system, its feature exists
In the warning device is alarm bell.
10. storage batteries of transformer substation according to any one of claim 1 to 7 departs from dc bus monitoring system, its feature
It is, the warning device is warning light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477476.3U CN206684279U (en) | 2017-04-28 | 2017-04-28 | Storage batteries of transformer substation departs from dc bus monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477476.3U CN206684279U (en) | 2017-04-28 | 2017-04-28 | Storage batteries of transformer substation departs from dc bus monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206684279U true CN206684279U (en) | 2017-11-28 |
Family
ID=60406874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477476.3U Active CN206684279U (en) | 2017-04-28 | 2017-04-28 | Storage batteries of transformer substation departs from dc bus monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206684279U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872879A (en) * | 2018-08-15 | 2018-11-23 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of monitoring battery disengaging bus alarm device |
| CN109884535A (en) * | 2019-03-26 | 2019-06-14 | 国网北京市电力公司 | The detection method and device of battery group |
| CN110398668A (en) * | 2019-09-11 | 2019-11-01 | 广东电网有限责任公司 | A kind of looped network of DC power on-line monitoring system and method |
| CN110398667A (en) * | 2019-09-11 | 2019-11-01 | 广东电网有限责任公司 | A kind of looped network of DC power on-line monitoring system and method |
| CN111060827A (en) * | 2019-12-10 | 2020-04-24 | 广西电网有限责任公司防城港供电局 | Storage battery separation bus monitoring system of station direct current system and control method thereof |
-
2017
- 2017-04-28 CN CN201720477476.3U patent/CN206684279U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872879A (en) * | 2018-08-15 | 2018-11-23 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of monitoring battery disengaging bus alarm device |
| CN109884535A (en) * | 2019-03-26 | 2019-06-14 | 国网北京市电力公司 | The detection method and device of battery group |
| CN110398668A (en) * | 2019-09-11 | 2019-11-01 | 广东电网有限责任公司 | A kind of looped network of DC power on-line monitoring system and method |
| CN110398667A (en) * | 2019-09-11 | 2019-11-01 | 广东电网有限责任公司 | A kind of looped network of DC power on-line monitoring system and method |
| CN111060827A (en) * | 2019-12-10 | 2020-04-24 | 广西电网有限责任公司防城港供电局 | Storage battery separation bus monitoring system of station direct current system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206684279U (en) | Storage batteries of transformer substation departs from dc bus monitoring system | |
| CN107132483A (en) | Storage batteries of transformer substation departs from dc bus monitoring system | |
| CN106451794B (en) | Monitoring and alarming device and method for separating storage battery from direct current bus | |
| CN107942257A (en) | A kind of storage battery on-line monitoring system and method | |
| CN101894981A (en) | Intelligent monitoring, repair and control method of lead-acid battery pack and system thereof | |
| CN201018284Y (en) | Economically intelligent synthetic power distribution unit | |
| CN106569145A (en) | Comprehensive monitoring device and monitoring method for UPS power supply of ring-network cabinet | |
| CN204154853U (en) | A kind of distribution intelligent trouble indicator reducing false alarm | |
| CN201226551Y (en) | Anti-theft device for accumulator, base station and monitoring system | |
| CN107069948A (en) | The remote detection monitoring system and detection method of a kind of DC power system | |
| CN204030640U (en) | Batteries novel maintenance monitoring intelligent device | |
| CN104680712A (en) | Anti-trampling prewarning system for people crowded region and implementation method for anti-treading prewarning system | |
| CN203135572U (en) | Transformer substation DC device state monitoring system | |
| CN105823954A (en) | Detection device for grounding point of storage battery pack, method and DC power supply system | |
| CN110071555A (en) | A kind of batteries management system | |
| CN207410117U (en) | A kind of computer room and the online Centralizing inspection device of substation's UPS DC power supplies | |
| CN109546741A (en) | The self-checking system of battery remote maintenance equipment | |
| CN206313535U (en) | Batteries depart from dc bus monitor alarm device | |
| CN205941681U (en) | ESD's direct current voltage detecting system in field of gas transmission station | |
| CN106908740A (en) | Embedded transformer station direct-flow storage battery on-Line Monitor Device | |
| CN201726122U (en) | Self-powered microcomputer protector capable of fetching electricity on basis of high-voltage current transformer | |
| CN110412474A (en) | Direct current monitors auxiliary system on-line in a kind of station | |
| CN109596880A (en) | One kind being based on substation's alternating current-direct current down Monitor Unit system and monitoring method | |
| CN201298069Y (en) | Intelligent on-line battery patrol detector | |
| CN209313529U (en) | A kind of power equipment operation monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |