CN205595819U - Visual monitoring of transformer substation and balanced battery voltage's device - Google Patents

Visual monitoring of transformer substation and balanced battery voltage's device Download PDF

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Publication number
CN205595819U
CN205595819U CN201620132424.8U CN201620132424U CN205595819U CN 205595819 U CN205595819 U CN 205595819U CN 201620132424 U CN201620132424 U CN 201620132424U CN 205595819 U CN205595819 U CN 205595819U
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unit
circuit
voltage
single battery
master controller
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CN201620132424.8U
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周永光
李嫦艳
胡晓霞
谭中杰
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Shenzhen Power Supply Bureau Co Ltd
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Shenzhen Power Supply Bureau Co Ltd
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Abstract

The utility model provides a visual monitoring of transformer substation and balanced battery voltage's device, including main control unit to and the voltage current detection unit, charge -discharge equilibrium unit, comparing element and the display element that link to each other with main control unit respectively, main control unit is formed by the peripheral circuit of ARM chip, data storage chip and chip, voltage current detection unit includes current sensor and the first signal modulate circuit, and/or voltage sensor and the 2nd signal conditioning circuit, charge -discharge equilibrium unit includes charging circuit and discharge circuit, comparing element realizes on a PCB board through a DSP chip and the peripheral integrated circuit of chip, display element is a liquid crystal display. Implement the utility model discloses, can in real time online visual monitor battery voltage data to automatic equalization battery voltage function, thus reach the life of extension battery, ensure the purpose of the reserve DC power supply's of transformer substation reliability.

Description

A kind of transformer station visual monitoring and the device of equalizing battery voltage
Technical field
This utility model relates to power system transformer substation station power use system technical field and battery technology field, particularly relates to a kind of transformer station visual monitoring and the device of equalizing battery voltage.
Background technology
Accumulator, as the unique stored energy source of transformer station, has that volume is little, light weight, voltage high, power is big, self discharge is few and the advantage such as length in service life, the standby guarantee run when being transformer station's alternating current power supply decompression in order to key equipment in supporting station.But; owing to internal storage battery energy density is high; under overcharged state; there will be heat accumulation and too much cause the phenomenon of battery explosion; easily cause the damage in battery performance and service life; therefore must the protection circuit of adapted excellent in design, to ensure its safety under excessive charging and discharging state, it is to avoid performance degradation.
At present, the most still there is many potential safety hazards in accumulator, as long term seal reaction makes anode plate grid extend, causes acid liquor leakage;Relief valve aerofluxus, the infiltration of groove lid and grid corrosion dehydration are too much, cause accumulator heat radiation bad, thermal runaway occur;Each part fine difference on size, composition and consumption, causes temperature all hook property bad, internal resistance two-plate internal resistance increase etc. situation occurs.
Therefore; along with accumulator importance in power system improves constantly; how the degradation of visualizing monitor accumulator becomes the popular problem of staff's research; not only need to reduce the damage risk of accumulator; extend the life-span of accumulator the most to a certain extent, the most also need to have great significance in terms of environmental conservation cost-effective.
Utility model content
This utility model embodiment technical problem to be solved is, a kind of transformer station visual monitoring and the device of equalizing battery voltage are provided, can real-time online visual monitoring battery tension data, and automatic equalization battery tension function, thus reach to extend the service life of accumulator, it is ensured that the purpose of the reliability of transformer station's standby DC source.
In order to solve above-mentioned technical problem, this utility model embodiment provides a kind of transformer station visual monitoring and the device of equalizing battery voltage, including the master controller for data analysis and process, the measure voltage & current unit of voltage and/or current signal for detecting each single battery, the charge and discharge balancing unit controlled for each single battery balance charge/discharge, for the comparing unit of each single battery super-charge super-discharge state analysis and for showing each single battery voltage and/or the display unit of current information;Wherein,
Described master controller is connected with described measure voltage & current unit, charge and discharge balancing unit, comparing unit and display unit respectively, and it is formed by ARM chip, pin-saving chip and chip periphery circuit;
Described measure voltage & current unit includes the current sensor all can being connected, and the first signal conditioning circuit being all connected with described current sensor and described master controller with each single battery;An and/or voltage sensor, and the secondary signal modulate circuit being all connected with described voltage sensor and described master controller;Wherein, described first signal conditioning circuit and described secondary signal modulate circuit structure are identical, and are formed by filter circuit, operational amplifier and digital to analog converter;
Described charge and discharge balancing unit includes charging circuit and the discharge circuit being all connected with each single battery;
Described comparing unit is integrated on a pcb board realization by a dsp chip and chip periphery circuit thereof;
Described display unit is a LCDs.
Wherein, described device also includes video drive unit, one end of described video drive unit can connecting with external mobile phone or panel computer, the other end is connected with described master controller;Wherein, described video drive unit is integrated on a pcb board realization by another dsp chip and chip periphery circuit thereof.
Wherein, described device also includes permutator control unit, described permutator control unit includes multiple relay, the input of the plurality of relay is all connected with described master controller, and its outfan of two of the plurality of relay is connected with described first signal conditioning circuit and described secondary signal modulate circuit respectively.
Wherein, described device also includes Temperature and Humidity unit, described Temperature and Humidity unit includes Temperature Humidity Sensor, and the 3rd signal conditioning circuit being all connected with a relay output end outside two of its of multiple relays described in described permutator control unit and described Temperature Humidity Sensor;Wherein, described 3rd signal conditioning circuit is formed by filter circuit, operational amplifier and digital to analog converter.
Wherein, described device also includes internal resistance detection unit, described internal resistance detection unit includes internal resistance detection circuit, and the 4th signal conditioning circuit being all connected with another relay output end outside two of its of multiple relays described in described permutator control unit and each single battery;Wherein, described internal resistance detection circuit includes that variable resistance, described 4th signal conditioning circuit are formed by filter circuit, operational amplifier and digital to analog converter.
Wherein, described device also includes the alarm unit for carrying out reporting to the police and being connected with described master controller by buzzer and display lamp luminescence;Wherein, described alarm unit is formed by speaker, light emitting diode and peripheral circuit.
Wherein, described device also includes the Landline communication unit being connected with described master controller, and described Landline communication unit includes one or more among 10/100BASE-T self adaptation Ethernet submodule, RS-485 interface sub-module, RS-232 interface submodule, optical fiber interface submodule, USB interface submodule.
Wherein, described device also includes the wireless communication unit being connected with described master controller, and described wireless communication unit includes one or more among GPRS communicator module, Zigbee communication submodule, WIFI communicator module and Bluetooth communication submodule.
Implement this utility model embodiment, have the advantages that
1, in this utility model embodiment, owing to device detects the change in voltage situation of each single battery by detector unit, and according to the change in voltage situation detected, overcharge and cross the voltage putting single battery by charge and discharge balancing control unit automatic equalization, thus there is real time on-line monitoring battery tension data and the function of equalizing battery voltage, and do not increase occupation of land space or wiring quantity, and can reach to extend the service life of accumulator, it is ensured that the purpose of the reliability of transformer station's standby DC source;
2, in this utility model embodiment, owing to device can pass through display unit real-time monitored each single battery voltage change conditions further, therefore there is real-time online visual monitoring battery tension data function, for the Data safeguard that staff is favourable to battery maintenance offer.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still falls within category of the present utility model.
Transformer station's visual monitoring that Fig. 1 provides for this utility model embodiment and the structural representation of the device of equalizing battery voltage.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in Figure 1, for in this utility model embodiment, a kind of transformer station visual monitoring provided and the device of equalizing battery voltage, including the master controller 1 for data analysis and process, the measure voltage & current unit 2 of voltage and/or current signal for detecting each single battery, the charge and discharge balancing unit 3 controlled for each single battery balance charge/discharge, for the comparing unit 4 of each single battery super-charge super-discharge state analysis and for showing the display unit 5 of each single battery voltage and/or current information;Wherein,
Master controller 1 is connected with measure voltage & current unit 2, charge and discharge balancing unit 3, comparing unit 4 and display unit 5 respectively, and it is formed by ARM chip, pin-saving chip and chip periphery circuit;
Measure voltage & current unit 2 includes the current sensor 21 all can being connected, and the first signal conditioning circuit 22 being all connected with current sensor 21 and master controller 1 with each single battery;An and/or voltage sensor 23, and the secondary signal modulate circuit 24 being all connected with voltage sensor 23 and master controller 1;Wherein, described first signal conditioning circuit 22 and secondary signal modulate circuit 24 construct identical, and are formed by filter circuit, operational amplifier and digital to analog converter;
Charge and discharge balancing unit 3 includes charging circuit 31 and the discharge circuit 32 being all connected with each single battery;
Comparing unit 4 is integrated on a pcb board realization by a dsp chip and chip periphery circuit thereof;
Described display unit 5 is a LCDs.
In one embodiment, using STM32 to process chip (ARM chip) is main body, and is integrated with signal filtering amplifying circuit, AD acquisition chip, pin-saving chip etc. and other peripheral circuit formation master controller 1;Measure voltage & current unit 2 uses PT100 to be formed by the operational amplifier that RC low-pass filter circuit, model are MAX9633ASA and a/d converter that model is TLC1549IDR as voltage sensor and current sensor, the first signal conditioning circuit 22 and secondary signal modulate circuit 24;Charging circuit 31 and the discharge circuit 32 of charge and discharge balancing unit 3 all use conventional circuit design;Comparing unit 4 is integrated on a pcb board realization by C2000 chip and the peripheral circuit thereof of TI company;Display unit 5 uses TFT LCDs.
Device in this utility model embodiment, can realize the control of three kinds of states to single battery, and specific implementation is as follows:
One, the realization of discharge condition: when comparing unit 4 detects the average level value (or the level value of the current signal of a single battery is higher than the average level value of the electric current of accumulator belonging to it) that the level value of the voltage signal of a single battery is higher than the voltage of accumulator belonging to it, master controller 1 exports corresponding instruction, the discharge module 32 simultaneously controlling to be connected with this single battery being higher than average level value works and charging module 31 is had a rest, thus controls this and enter electric discharge under discharge condition higher than single battery of average level value;
Two, the realization of charged state: when comparing unit 4 detects average level value (or the level value of the current signal of a single battery is less than the average level value of the electric current of accumulator belonging to it) that the level value of the voltage signal of a single battery is less than the voltage of accumulator belonging to it, master controller 1 exports corresponding instruction, the discharge module 32 simultaneously controlling to be connected with this single battery being less than average level value is had a rest and charging module 31 works, thus controls this and enter charging under charged state less than single battery of average level value;
Three, the realization of normal condition: when comparing unit 4 detects average level value (level value of the current signal of a single battery is equal to the average level value of the electric current of accumulator belonging to it) that the level value of the voltage signal of a single battery is equal to the voltage of accumulator battery belonging to it, master controller 1 exports corresponding instruction, the discharge module 32 simultaneously controlling to be connected with this single battery being less than average level value is had a rest and charging module 31 is had a rest, and keeps continuing under normal condition the single battery that monitoring is equal with average level value.
In order to by the changing condition of external connection display equipment (such as mobile phone, panel computer etc.) display single battery voltage, realize the purpose of visual on-line monitoring battery tension data further, therefore device also includes video drive unit 6, one end of video drive unit 6 can connecting with external mobile phone or panel computer, the other end is connected with master controller 1;Wherein, video drive unit 6 is integrated on a pcb board realization by another dsp chip and chip periphery circuit thereof.
In one embodiment, video drive unit 6 is realized by TM320TMS320C24x/F24x chip and the peripheral circuit thereof of integrated TI company on pcb board.
Device in this utility model embodiment, not only can realize visual on-line monitoring single battery voltage data, but also visual on-line monitoring single battery current data can be realized, therefore device also includes permutator control unit 7, permutator control unit 7 includes multiple relay, the input of the plurality of relay is all connected with described master controller 1, its outfan of two of the plurality of relay is connected with the first signal conditioning circuit 22 and secondary signal modulate circuit 24 respectively, the instruction that this permutator control unit 7 can export by receiving master controller 1 carries out the monitoring of the online data to single battery voltage and single battery electric current and switches over.
Further, device also has on-line monitoring single battery environment changing condition in charge and discharge process, therefore device also includes Temperature and Humidity unit 8, Temperature and Humidity unit 8 includes Temperature Humidity Sensor 81, and the 3rd signal conditioning circuit 82 that a relay output end outside two of its of multiple relays above-mentioned with permutator control unit 7 and Temperature Humidity Sensor are all connected, make this Temperature and Humidity unit 8 can be according to the situation of change of environment, avoid single battery in charge and discharge process owing to humiture changing value exceedes threshold value and cause accumulator property to deteriorate, thus control the discharge and recharge of single battery, reach the purpose of increasing storage battery service life.Wherein, the 3rd signal conditioning circuit 82 is formed by filter circuit, operational amplifier and digital to analog converter.
In an example, the model that Temperature Humidity Sensor uses is DHT11, and the 3rd signal conditioning circuit 82 is formed by the operational amplifier that RC low-pass filter circuit, model are MAX4454EUD and a/d converter that model is TLC1549IDR.
Further, device also has on-line monitoring single battery internal resistance situation of change in charge and discharge process, therefore device also includes internal resistance detection unit 9, internal resistance detection unit 9 includes internal resistance detection circuit 91, and the 4th signal conditioning circuit 92 that another relay output end outside two of its of multiple relays above-mentioned with permutator control unit 7 and each single battery are all connected, make this internal resistance detection unit 9 can detect single battery situation of change of internal resistance resistance in charge and discharge process in real time, detect that internal resistance resistance exceedes the single battery of the performance degradation of threshold value, thus control the discharge and recharge of single battery, reach the purpose of increasing storage battery service life.Wherein, internal resistance detection circuit 91 includes variable resistance, and the 4th signal conditioning circuit 92 is formed by filter circuit, operational amplifier and digital to analog converter.
In one embodiment, internal resistance detection circuit 91 uses circuit that the resistance variable resistance more than 1000 ohm formed to detect the internal resistance resistance of each single battery, and the 4th signal conditioning circuit 92 is formed by the operational amplifier that RC low-pass filter circuit, model are MAX4251EUD and a/d converter that model is TLC1549IDR.
Further, device also includes the alarm unit 10 for carrying out reporting to the police and being connected with master controller 1 by buzzer and display lamp luminescence;Wherein, alarm unit 10 is formed by speaker, light emitting diode and peripheral circuit, during this alarm unit 10 can realize single battery super-charge super-discharge, reports to the police the single battery of performance degradation.
Further, device also includes the Landline communication unit 11 being connected with master controller 1, Landline communication unit 11 includes one or more among 10/100BASE-T self adaptation Ethernet submodule, RS-485 interface sub-module, RS-232 interface submodule, optical fiber interface submodule, USB interface submodule, such that it is able to be monitored by direct external inspecting terminal.
Further, device also includes the wireless communication unit 12 being connected with master controller 1, wireless communication unit 12 includes one or more among GPRS communicator module, Zigbee communication submodule, WIFI communicator module and Bluetooth communication submodule, such that it is able to remotely monitored by external inspecting terminal.
Implement this utility model embodiment, have the advantages that
1, in this utility model embodiment, owing to device detects the change in voltage situation of each single battery by detector unit, and according to the change in voltage situation detected, overcharge and cross the voltage putting single battery by charge and discharge balancing control unit automatic equalization, thus there is real time on-line monitoring battery tension data and the function of equalizing battery voltage, and do not increase occupation of land space or wiring quantity, and can reach to extend the service life of accumulator, it is ensured that the purpose of the reliability of transformer station's standby DC source;
2, in this utility model embodiment, owing to device can pass through display unit real-time monitored each single battery voltage change conditions further, therefore there is real-time online visual monitoring battery tension data function, for the Data safeguard that staff is favourable to battery maintenance offer.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can be by program and completes to instruct relevant hardware, described program can be stored in a computer read/write memory medium, described storage medium, such as ROM/RAM, disk, CD etc..
Above disclosed it is only this utility model one preferred embodiment, certainly can not limit the interest field of this utility model, the equivalent variations therefore made according to this utility model claim with this, still belong to the scope that this utility model is contained.

Claims (8)

1. transformer station's visual monitoring and the device of equalizing battery voltage, it is characterized in that, including for data analysis and process master controller (1), for detect the voltage of each single battery and/or the measure voltage & current unit (2) of current signal, the charge and discharge balancing unit (3) controlled for each single battery balance charge/discharge, for the comparing unit (4) of each single battery super-charge super-discharge state analysis and for showing the display unit (5) of each single battery voltage and/or current information;Wherein,
Described master controller (1) is connected with described measure voltage & current unit (2), charge and discharge balancing unit (3), comparing unit (4) and display unit (5) respectively, and it is formed by ARM chip, pin-saving chip and chip periphery circuit;
Described measure voltage & current unit (2) includes the current sensor (21) all can being connected, and the first signal conditioning circuit (22) being all connected with described current sensor (21) and described master controller (1) with each single battery;An and/or voltage sensor (23), and the secondary signal modulate circuit (24) being all connected with described voltage sensor (23) and described master controller (1);Wherein, described first signal conditioning circuit (22) and described secondary signal modulate circuit (24) construct identical, and are formed by filter circuit, operational amplifier and digital to analog converter;
Described charge and discharge balancing unit (3) includes charging circuit (31) and the discharge circuit (32) being all connected with each single battery;
Described comparing unit (4) is integrated on a pcb board realization by a dsp chip and chip periphery circuit thereof;
Described display unit (5) is a LCDs.
2. device as claimed in claim 1, it is characterized in that, described device also includes video drive unit (6), one end of described video drive unit (6) can connecting with external mobile phone or panel computer, the other end is connected with described master controller (1);Wherein, described video drive unit (6) is integrated on a pcb board realization by another dsp chip and chip periphery circuit thereof.
3. device as claimed in claim 2, it is characterized in that, described device also includes permutator control unit (7), described permutator control unit (7) includes multiple relay, the input of the plurality of relay is all connected with described master controller (1), and its outfan of two of the plurality of relay is connected with described first signal conditioning circuit (22) and described secondary signal modulate circuit (24) respectively.
4. device as claimed in claim 3, it is characterized in that, described device also includes Temperature and Humidity unit (8), described Temperature and Humidity unit (8) includes Temperature Humidity Sensor (81), and the 3rd signal conditioning circuit (82) being all connected with a relay output end outside two of its of multiple relays described in described permutator control unit (7) and described Temperature Humidity Sensor;Wherein, described 3rd signal conditioning circuit (82) is formed by filter circuit, operational amplifier and digital to analog converter.
5. device as claimed in claim 4, it is characterized in that, described device also includes internal resistance detection unit (9), described internal resistance detection unit (9) includes internal resistance detection circuit (91), and the 4th signal conditioning circuit (92) being all connected with another relay output end outside two of its of multiple relays described in described permutator control unit (7) and each single battery;Wherein, described internal resistance detection circuit (91) includes that variable resistance, described 4th signal conditioning circuit (92) are formed by filter circuit, operational amplifier and digital to analog converter.
6. device as claimed in claim 5, it is characterised in that described device also includes the alarm unit (10) for carrying out reporting to the police and being connected with described master controller (1) by buzzer and display lamp luminescence;Wherein, described alarm unit (10) is formed by speaker, light emitting diode and peripheral circuit.
7. device as claimed in claim 6, it is characterized in that, described device also includes the Landline communication unit (11) being connected with described master controller (1), and described Landline communication unit (11) includes one or more among 10/100BASE-T self adaptation Ethernet submodule, RS-485 interface sub-module, RS-232 interface submodule, optical fiber interface submodule, USB interface submodule.
8. device as claimed in claim 7, it is characterized in that, described device also includes the wireless communication unit (12) being connected with described master controller (1), and described wireless communication unit (12) includes one or more among GPRS communicator module, Zigbee communication submodule, WIFI communicator module and Bluetooth communication submodule.
CN201620132424.8U 2016-02-22 2016-02-22 Visual monitoring of transformer substation and balanced battery voltage's device Active CN205595819U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383323A (en) * 2016-10-26 2017-02-08 深圳供电局有限公司 Battery intelligent monitoring device and network
CN106443479A (en) * 2016-10-26 2017-02-22 深圳供电局有限公司 A storage battery intelligent monitoring system
CN106772076A (en) * 2016-12-09 2017-05-31 国网北京市电力公司 Batteries method for determining running state and device
CN107132483A (en) * 2017-04-28 2017-09-05 广东电网有限责任公司珠海供电局 Storage batteries of transformer substation departs from dc bus monitoring system
CN109038828A (en) * 2018-08-27 2018-12-18 深圳供电局有限公司 A kind of storage batteries of transformer substation and battery room complex control system and its control method
CN109633450A (en) * 2018-11-23 2019-04-16 成都云材智慧数据科技有限公司 A kind of lithium battery charging detection system neural network based
CN110703106A (en) * 2019-10-30 2020-01-17 中国第一汽车股份有限公司 Battery monomer voltage monitoring device and method
CN111525644A (en) * 2020-04-30 2020-08-11 北京东方振动和噪声技术研究所 Battery management system and battery management method
CN111948538A (en) * 2020-09-10 2020-11-17 国网江苏省电力有限公司无锡供电分公司 Portable transformer substation storage battery charge-discharge data recorder

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106383323A (en) * 2016-10-26 2017-02-08 深圳供电局有限公司 Battery intelligent monitoring device and network
CN106443479A (en) * 2016-10-26 2017-02-22 深圳供电局有限公司 A storage battery intelligent monitoring system
CN106772076A (en) * 2016-12-09 2017-05-31 国网北京市电力公司 Batteries method for determining running state and device
CN106772076B (en) * 2016-12-09 2019-07-02 国网北京市电力公司 Battery group method for determining running state and device
CN107132483A (en) * 2017-04-28 2017-09-05 广东电网有限责任公司珠海供电局 Storage batteries of transformer substation departs from dc bus monitoring system
CN109038828A (en) * 2018-08-27 2018-12-18 深圳供电局有限公司 A kind of storage batteries of transformer substation and battery room complex control system and its control method
CN109633450A (en) * 2018-11-23 2019-04-16 成都云材智慧数据科技有限公司 A kind of lithium battery charging detection system neural network based
CN110703106A (en) * 2019-10-30 2020-01-17 中国第一汽车股份有限公司 Battery monomer voltage monitoring device and method
CN111525644A (en) * 2020-04-30 2020-08-11 北京东方振动和噪声技术研究所 Battery management system and battery management method
CN111948538A (en) * 2020-09-10 2020-11-17 国网江苏省电力有限公司无锡供电分公司 Portable transformer substation storage battery charge-discharge data recorder

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