CN107437827A - A kind of vanadium cell managing device based on STM - Google Patents
A kind of vanadium cell managing device based on STM Download PDFInfo
- Publication number
- CN107437827A CN107437827A CN201610353052.6A CN201610353052A CN107437827A CN 107437827 A CN107437827 A CN 107437827A CN 201610353052 A CN201610353052 A CN 201610353052A CN 107437827 A CN107437827 A CN 107437827A
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- CN
- China
- Prior art keywords
- electrolyte
- detection unit
- unit
- temperature
- stm
- 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.)
- Pending
Links
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 34
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003792 electrolyte Substances 0.000 claims abstract description 98
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000002159 abnormal effect Effects 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910001456 vanadium ion Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- H02J7/0026—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Fuel Cell (AREA)
Abstract
The present invention provides a kind of vanadium cell managing device based on STM, it is characterised in that：Including electrolyte detection unit, battery management main controller, communication unit, alarm unit, fan unit, the electrolyte detection unit, communication unit, alarm unit, fan unit are connected with the battery management main controller respectively, the electrolyte detection unit includes electrolyte temperature detection unit, the battery management main controller uses STM single-chip microcomputers, and the STM single-chip microcomputers are built-in with timing module and a/d converter.Beneficial effects of the present invention are：The present invention can be monitored in real time to the multiple parameters of electrolyte of vanadium redox battery; alarm signal can be sent when monitoring a certain abnormal parameters; particularly when monitoring that temperature anomaly is high, cooling protection first can be carried out to electrolyte, be alarmed again when not cooling successfully in the given time.
Description
Technical field
The present invention relates to vanadium battery field, more particularly, to a kind of vanadium cell managing device based on STM.
Background technology
Vanadium cell have power is big, capacity is big, efficiency high, long lifespan (discharge and recharge is up to more than 100,000 times),
A series of particular advantages such as green, can wind-power electricity generation, photovoltaic generation, electric automobile power supply,
The field extensive use such as peak load regulation network.
Vanadium cell (VRB) is a kind of battery that can be flowed, and currently steps into the commercialization stage.
VRB is compared with traditional lead-acid battery, nickel-cadmium cell as a kind of chemical energy storage technology, it
There are many unique distinctions in design, a variety of industrial occasions are also applied in performance, such as：It can substitute
Oil machine, stand-by power supply etc..The energy conversion stored in the electrolytic solution is electric energy by vanadium cell, and this is to pass through
Two different types of, exchanges electronics to realize between the vanadium ion that is separated by one layer of barrier film.Electrolyte
Mixed by sulfuric acid and vanadium, it is acid as traditional lead-acid battery.Because this electrochemistry is anti-
It should be reversible, so VRB batteries can both charge, can also discharge.During discharge and recharge, with two kinds
The change of vanadium ion concentration, electric energy and chemical energy are mutually changed.VRB batteries are by two electrolysis liquid pools and one
Battery unit composition layer by layer.Be electrolysed liquid pool be used for contain two kinds of different electrolyte, each battery unit by
Two " half-cell " forms, sandwich barrier film and the electrode for collected current.Two different " half
The electrolyte of the vanadium of different ions form is held in unit ".Each electrolysis liquid pool is furnished with a pump, uses
It is each " half-cell " conveying electrolyte in the pipeline in closing.When powered electrolyte is at one layer
When being flowed in the battery unit of layer, electronics just flow to external circuit, and here it is discharge process.When from outer
Portion by electron transport to inside battery when, just there occurs here it is in battery unit for opposite process
Electrolyte charges, and is then transmitted back to electrolysis liquid pool by pump again.
The chemical property of vanadium cell system is by multifactor impact, such as electrolyte temperature, concentration, flow
Deng especially, in battery charge and discharge process producing heat, battery temperature can gradually rise, if be not added with
To monitor, the service life of battery can be influenceed, and the pentavalent vanadium in vanadium cell positive pole liquid is higher than in temperature
Vanadic anhydride precipitation is easily separated out in the case of 45 degrees Celsius, the precipitation of precipitation blocks runner, coats carbon felt
Fiber, deteriorate Performance data, until pile is scrapped, and pile is electrolysed liquid temperature during long-play
Degree can easily exceed 45 degrees Celsius, so when vanadium cell works, it is necessary to a set of rigorous vanadium cell management
System, when detecting potential safety hazard can trigger protection pattern in time, send alarm if necessary to notify
Staff.
The content of the invention
The problem to be solved in the present invention is to provide a kind of vanadium cell managing device based on STM, Ke Yishi
The parameter of electrolyte of vanadium redox battery is monitored when real, sends alarm when finding a certain abnormal parameters, especially
When finding temperature anomaly, can spontaneous startup cooling mode cooled, work as temperature in the given time
Stop cooling when recovering normal, otherwise triggering alarm.
The technical solution adopted by the present invention is：A kind of vanadium cell managing device its feature based on STM exists
In：Including electrolyte detection unit, battery management main controller, communication unit, alarm unit, fan
Unit, the electrolyte detection unit, communication unit, alarm unit, fan unit respectively with the electricity
Pond management master controller is connected, and the electrolyte detection unit includes electrolyte temperature detection unit, institute
State battery management main controller and use STM single-chip microcomputers, the STM single-chip microcomputers be built-in with timing module and
A/d converter.
Further, the vanadium battery management system also includes PC monitoring management systems, the PC prisons
Control management system is connected with the communication unit.
Further, the electrolyte temperature detection unit uses digital temperature sensor.
Further, the electrolyte detection unit also includes electrolyte pressure detection unit, electrolysis liquid stream
Amount detection unit, electrolyte liquid level detection unit, concentration of electrolyte detection unit, the electrolyte pressure
Detection unit, flow of electrolyte detection unit, electrolyte liquid level detection unit, concentration of electrolyte detection are single
Member is connected with the a/d converter respectively.
Further, the electrolyte pressure detection unit uses ceramic capacitive pressure transmitter, the electricity
Solution liquid stream amount detection unit uses electromagnetic flowmeter, and the electrolyte liquid level detection unit uses ultrasonic solution
Position instrument, the concentration of electrolyte detection unit use consistency transmitter.
Further, the fan unit includes fan.
Further, it is different to include electrolyte temperature abnormal alarm unit, electrolyte pressure for the alarm unit
Normal alarm unit, flow of electrolyte abnormal alarm unit, electrolyte liquid level abnormal alarm unit, electrolyte
Concentration abnormality alarm unit.
Further, when the digital temperature sensor monitors that the temperature of the electrolyte exceedes temperature
When spending predetermined value, the battery management main controller controls the fan to cool to electrolyte, triggers simultaneously
The timing module carries out timing to temperature fall time, if the temperature of electrolyte returns to temperature in the given time
Spend predetermined value and following, the fan stopping cooling；If remained above in the temperature of ticket reserving time electrolyte inside
Temperature predetermined value, then trigger temperature anomaly alarm unit and alarmed.
The present invention having the beneficial effect that compared with prior art：The present invention can be to the more of electrolyte of vanadium redox battery
Item parameter is monitored in real time, and alarm signal can be sent when monitoring a certain abnormal parameters, particularly
, being capable of spontaneous carry out cooling protection when monitoring that temperature anomaly is high；Using digital temperature sensor,
Measurement accuracy is high, conversion time is fast, is convenient for measuring and installs.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the vanadium cell managing device based on STM of the present invention.
Embodiment
In order to be better understood from the present invention, enter traveling one to the present invention with reference to specific embodiments and the drawings
The description of step.
With reference to figure 1, the technical solution adopted by the present invention is：A kind of vanadium cell management dress based on STM
Put, it is characterised in that：Including electrolyte detection unit, battery management main controller, communication unit, report
Alert unit, fan unit, the electrolyte detection unit, communication unit, alarm unit, fan unit
It is connected respectively with the battery management main controller, the electrolyte detection unit includes electrolyte temperature
Detection unit, the battery management main controller use STM single-chip microcomputers, built in the STM single-chip microcomputers
There are timing module and a/d converter.
The vanadium battery management system also includes PC monitoring management systems, the PC monitoring management systems
It is connected with the communication unit.
The electrolyte temperature detection unit uses digital temperature sensor.
The electrolyte detection unit also includes electrolyte pressure detection unit, flow of electrolyte detection list
Member, electrolyte liquid level detection unit, concentration of electrolyte detection unit, the electrolyte pressure detection unit,
Flow of electrolyte detection unit, electrolyte liquid level detection unit, concentration of electrolyte detection unit respectively with institute
A/d converter is stated to be connected.
The electrolyte pressure detection unit uses ceramic capacitive pressure transmitter, the flow of electrolyte inspection
Survey unit and use electromagnetic flowmeter, the electrolyte liquid level detection unit uses ultrasonic liquid leveller, described
Concentration of electrolyte detection unit uses consistency transmitter.
The fan unit includes fan.
The alarm unit includes electrolyte temperature abnormal alarm unit, electrolyte pressure abnormal alarm list
Member, flow of electrolyte abnormal alarm unit, electrolyte liquid level abnormal alarm unit, concentration of electrolyte are abnormal
Alarm unit.
When the digital temperature sensor monitors that the temperature of the electrolyte exceedes temperature predetermined value
When, the battery management main controller controls the fan to cool to electrolyte, while triggers the timing
Module carries out timing to temperature fall time, if the temperature of electrolyte returns to temperature predetermined value in the given time
And it is following, the fan stops cooling；If remain above temperature in the temperature of ticket reserving time electrolyte inside to make a reservation for
Value, then trigger temperature anomaly alarm unit and alarmed.
The course of work of the present invention is as follows：The present invention is mainly monitored to the electrolyte of vanadium cell,
In use, ceramic capacitive pressure transmitter, electromagnetic flowmeter, ultrasonic liquid leveller, consistency transmitter point
The electrolyte pressure detected, flow, liquid level, concentration data are not sent to battery management main controller,
It is converted into sending PC monitoring management moulds to by communication unit after corresponding data signal by a/d converter
Block.When monitoring that a certain parameter exceedes predetermined value, alarm unit corresponding to triggering, such as work as and monitor electricity
When solution liquid concentration exceedes concentration predetermined value, then trigger concentration of electrolyte abnormal alarm unit and alarmed.
The temperature digital signal detected is sent directly to battery management master by digital temperature sensor
Controller, PC monitoring management units are sent to by communication module, when the temperature data detected is higher than
During temperature predetermined value, triggering fan cools to battery pile, while timing module starts timing, works as electricity
Solution liquid temperature degree stops cooling when being less than temperature predetermined value；When timing time reaches temperature fall time predetermined value,
The temperature of electrolyte is still higher than temperature predetermined value, then triggers electrolyte temperature abnormal alarm unit and reported
It is alert.
General principle, principal character and the advantages of the present invention of the present invention is shown above.The skill of the industry
Art personnel are retouched in above-described embodiment and specification it should be appreciated that the present invention is not limited to the above embodiments
That states simply illustrates the general principle of the present invention, without departing from the spirit and scope of the present invention, this
Invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention
Patent covering scope within.The claimed scope of the invention is by appended claims and its equivalent
Define.
Claims (8)
- A kind of 1. vanadium cell managing device based on STM, it is characterised in that：Detected including electrolyte single Member, battery management main controller, communication unit, alarm unit, fan unit, the electrolyte detection Unit, communication unit, alarm unit, fan unit are connected with the battery management main controller respectively, The electrolyte detection unit includes electrolyte temperature detection unit, and the battery management main controller uses STM single-chip microcomputers, the STM single-chip microcomputers are built-in with timing module and a/d converter.
- 2. a kind of vanadium cell managing device based on STM according to claim 1, its feature exist In：The vanadium battery management system also includes PC monitoring management systems, the PC monitoring management systems It is connected with the communication unit.
- 3. a kind of vanadium cell managing device based on STM according to claim 1, its feature exist In：The electrolyte temperature detection unit uses digital temperature sensor.
- 4. a kind of vanadium cell managing device based on STM according to claim 1, its feature exist In：The electrolyte detection unit also include electrolyte pressure detection unit, flow of electrolyte detection unit, Electrolyte liquid level detection unit, concentration of electrolyte detection unit, the electrolyte pressure detection unit, electricity Solve liquid stream amount detection unit, electrolyte liquid level detection unit, concentration of electrolyte detection unit respectively with it is described A/d converter is connected.
- 5. a kind of vanadium cell managing device based on STM according to claim 4, its feature exist In：The electrolyte pressure detection unit uses ceramic capacitive pressure transmitter, the flow of electrolyte inspection Survey unit and use electromagnetic flowmeter, the electrolyte liquid level detection unit uses ultrasonic liquid leveller, described Concentration of electrolyte detection unit uses consistency transmitter.
- 6. a kind of vanadium cell managing device based on STM according to claim 1, its feature exist In：The fan unit includes fan.
- 7. a kind of vanadium cell managing device based on STM according to claim 1, its feature exist In：The alarm unit include electrolyte temperature abnormal alarm unit, electrolyte pressure abnormal alarm unit, Flow of electrolyte abnormal alarm unit, electrolyte liquid level abnormal alarm unit, concentration of electrolyte abnormal alarm Unit.
- 8. a kind of vanadium cell managing device based on STM according to claim 6, its feature exist In：When the digital temperature sensor monitors that the temperature of the electrolyte exceedes temperature predetermined value When, the battery management main controller controls the fan to cool to electrolyte, while triggers the timing Module carries out timing to temperature fall time, if the temperature of electrolyte returns to temperature predetermined value in the given time And it is following, the fan stops cooling；If remain above temperature in the temperature of ticket reserving time electrolyte inside to make a reservation for Value, then trigger temperature anomaly alarm unit and alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353052.6A CN107437827A (en) | 2016-05-25 | 2016-05-25 | A kind of vanadium cell managing device based on STM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353052.6A CN107437827A (en) | 2016-05-25 | 2016-05-25 | A kind of vanadium cell managing device based on STM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107437827A true CN107437827A (en) | 2017-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610353052.6A Pending CN107437827A (en) | 2016-05-25 | 2016-05-25 | A kind of vanadium cell managing device based on STM |
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| Country | Link |
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| CN (1) | CN107437827A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045229A (en) * | 2019-04-15 | 2019-07-23 | 西南交通大学 | The isolation protecting device of cable termination temperaturing lifting abnormality under a kind of electriferous state |
| CN110967634A (en) * | 2019-05-17 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Temperature detection circuit, temperature detection method and battery management system |
| CN113140815A (en) * | 2021-04-17 | 2021-07-20 | 狮宸(武汉)科技有限责任公司 | Wireless control system and control method for heat emission of new energy battery module operating environment |
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| CN113140815A (en) * | 2021-04-17 | 2021-07-20 | 狮宸(武汉)科技有限责任公司 | Wireless control system and control method for heat emission of new energy battery module operating environment |
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Application publication date: 20171205 |