CN106058385B - A kind of sodium-sulphur battery incubator heating element power calculation algorithms - Google Patents
A kind of sodium-sulphur battery incubator heating element power calculation algorithms Download PDFInfo
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- CN106058385B CN106058385B CN201610675977.2A CN201610675977A CN106058385B CN 106058385 B CN106058385 B CN 106058385B CN 201610675977 A CN201610675977 A CN 201610675977A CN 106058385 B CN106058385 B CN 106058385B
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- heating
- heating element
- power
- sodium
- sulphur battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of sodium-sulphur battery incubator heating element power calculation algorithms, include the following steps：Heating power estimated value calculates step：Estimate the heating power estimated value of each heating element of sodium-sulphur battery incubator；Connection step：Each heating element on sodium-sulphur battery incubator is separately connected corresponding current sensor, and all current sensors are accessed into a data collecting system for having data recording function；Emulate heating step：Sodium-sulphur battery incubator is set to heat up according to set heating curve, the data collecting system records the curent change curve of heating element by the current sensor；Heating element power ratio calculates step；The specified heating power of the minimum heating element of heating power determines step；Other specified heating powers of heating element determine step and control Connection Step.It has the technical effect that：By accurately calculating the specified heating power and reasonable Arrangement of each heating element, to solve the problems, such as temperature uniformity, achieving the effect that, which reduces cost, reduces the fault point.
Description
Technical field
The present invention relates to a kind of sodium-sulphur battery incubator heating element power calculation algorithms.
Background technology
Sodium-sulphur battery operation needs sodium-sulphur battery incubator to provide stable, uniform hot operation environment, current skill
Art means are to arrange that heating element realizes the purpose of maintenance internal operating temperature in sodium-sulphur battery incubator inside circumference and bottom.
The heating element of use includes resistance heating wire and heating plate made of stainless steel plate, the heating of the power decision of resistance heating wire
The calorific value of component is one of the principal element for influencing temperature change.The temperature of inner material, i.e. sodium-sulphur battery and filler is special
Property, the other factors such as the heat conduction between heating plate and external cooling amount also have a significant impact to temperature.These factors are difficult
Effect is determined with the method for mathematical computations, therefore more difficult to control for sodium-sulphur battery incubator internal temperature uniformity,
Conventional single circuit control cannot be satisfied the requirement to sodium-sulphur battery incubator internal temperature uniformity.
In the prior art, the heating element in each face of sodium-sulphur battery incubator is independently arranged, heating element power is using larger
Value estimates to obtain method, is controlled respectively using multichannel by different controllers, each heating surface maintains desired temperature, with this
Solve the problems, such as that the coupling between sodium-sulphur battery incubator internal temperature uniformity difficulty and heating element is difficult.Although sodium sulphur electricity
The uniformity that heating is controllable inside battery thermal insulation box, sodium-sulphur battery incubator internal temperature can reach requirement, but use multichannel control
System can cause integrated control complicated, increase fault point and cost.
Invention content
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of sodium-sulphur battery incubator heating element work(
Rate computational methods are conducive to the primary Ioops control for each heating element in sodium-sulphur battery incubator, by accurately calculating
The specified heating power and reasonable Arrangement of each heating element, to solve the problems, such as temperature uniformity, reaching, which reduces cost, reduces event
Hinder the effect of point.
Realizing a kind of technical solution of above-mentioned purpose is：A kind of sodium-sulphur battery incubator heating element power calculation algorithms,
Include the following steps：
Heating power estimated value calculates step：Estimate the heating power estimation of each heating element of sodium-sulphur battery incubator
Value；
Connection step：Each heating element on sodium-sulphur battery incubator is separately connected corresponding current sensor,
And all current sensors are accessed into a data collecting system for having data recording function；
Emulate heating step：Sodium-sulphur battery incubator is set to heat up according to set heating curve, the data acquisition
For system by each current sensor, the curent change for recording the heating element corresponding to each current sensor is bent
Line；
Heating element power ratio calculates step:When obtaining the heating of sodium-sulphur battery incubator, actual measurement heating general power is maximum
The measured current and other heating elements actual measurement electricity of the minimum heating element of heating power are surveyed in period in each heating element
The ratio of stream；
The specified heating power of the minimum heating element of heating power determines step：Determine actual measurement heating general power maximum time period
The specified heating power of the middle actual measurement minimum heating element of heating power；
Other specified heating powers of heating element determine step：Actual measurement in general power maximum time period is heated according to actual measurement to add
Ratio between the measured current of the minimum heating element of thermal power and other heating element measured currents, determines other heating parts
The specified heating power of part；
Control Connection Step：All heating element parallel connections are accessed into heating power supply, the heating power supply connects controller, real
More now control.
Further, heating power estimated value calculates the heating power of each heating element of sodium-sulphur battery incubator in step
The estimation formula of estimated value is：
Q=A × q；
P=Q × K；
Wherein P is the heating power estimated value of the heating element；Q is the outer wall heat radiation power of sodium-sulphur battery incubator；A is
The surface area of the outer wall of sodium-sulphur battery incubator；Q is the unit area heat radiation power of the outer wall of sodium-sulphur battery incubator；K is sodium
The heating power coefficient of sulphur battery thermal case.
Further, q 300W/m2, K 1.4.
Further, heating element power ratio calculates in step, and the electric current for intercepting four each heating parts of different phase becomes
Change curve, and calculates measured current and the actual measurement of other heating elements of the actual measurement minimum heating element of heating power in each stage
The ratio of electric current；The four-stage is：
Low-temperature zone：The measured current of each heating element of sodium-sulphur battery incubator is steady state value.
Middle-temperature section：Sodium-sulphur battery incubator starts accelerated warming, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream first increases to be kept constant afterwards；
High temperature section：Sodium-sulphur battery incubator heating rate eases up, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream starts to reduce；
Constant temperature zone：Sodium-sulphur battery incubator temperature is kept constant, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream is kept constant；
Further, the specified heating power of the minimum heating element of heating power determines in step, and actual measurement heating general power is most
It is total in actual measurement heating to should be the heating element for the specified heating power of the actual measurement minimum heating element of heating power in the big period
1.1 times of the measured power of power maximum time period.
Use a kind of technical solution of sodium-sulphur battery incubator heating element power calculation algorithms of the present invention, a kind of sodium
Sulphur battery thermal case heating element power calculation algorithms, include the following steps：Heating power estimated value calculates step：Estimate sodium sulphur
The heating power estimated value of each heating element of battery thermal case；Connection step：Add each on sodium-sulphur battery incubator
Thermal part is separately connected corresponding current sensor, and all current sensors are accessed one and have data recording function
Data collecting system；Emulate heating step：Sodium-sulphur battery incubator is set to heat up according to set heating curve, the data
Acquisition system records the curent change curve of corresponding heating element by the current sensor；Heating element power ratio meter
Calculate step:When acquisition sodium-sulphur battery incubator heating, actual measurement adds in each heating element in actual measurement heating general power maximum time period
The ratio of the measured current of the minimum heating element of thermal power and other heating element measured currents；The minimum heating part of heating power
The specified heating power of part determines step：Determine the heating part that actual measurement heating power is minimum in actual measurement heating general power maximum time period
The specified heating power of part；Other specified heating powers of heating element determine step：General power maximum time is heated according to actual measurement
Ratio in section between the measured current and other heating element measured currents of the actual measurement minimum heating element of heating power, determines
The specified heating power of other heating elements；Control Connection Step：All heating element parallel connections are accessed into heating power supply, it is described to add
Thermoelectric generator connects controller, realizes and a little controls.It has the technical effect that：Be conducive to for each heating in sodium-sulphur battery incubator
The primary Ioops of component control, and it is uniform to solve temperature by the specified heating power and reasonable Arrangement that accurately calculate each heating element
Sex chromosome mosaicism, achieving the effect that, which reduces cost, reduces the fault point.
Specific implementation mode
The present inventor is in order to preferably understand technical scheme of the present invention, below by specifically real
Example is applied, and is described in detail：
The present invention a kind of sodium-sulphur battery incubator heating element power calculation algorithms be directed to antetheca, rear wall, left wall,
Respectively there is the sodium-sulphur battery incubator of one piece of heating element in right wall and lower wall.
A kind of sodium-sulphur battery incubator heating element power calculation algorithms of the present invention use Simple Calculation Method first,
It estimates the heating power estimated value of each heating element, and is amplified to and ensures to meet the power that heating needs, pass through emulation
Temperature-rise period detects actual measurement heating power of each heating element in sodium-sulphur battery incubator temperature-rise period, and calculates each
The ratio of the actual measurement heating power of heating element.Selection meet actual measurement heating power in the heating element of demand for heat it is minimum plus
Thermal part calculates it and surveys the ratio of heating power and other each heating element actual measurement heating powers, accurately calculates each and add
The specified heating power of thermal part.By all heating elements and primary Ioops are unified into integrating process, by a control loop reality
Existing single-point control.
A kind of sodium-sulphur battery incubator heating element power calculation algorithms of the present invention include the following steps：
Heating power estimated value calculates step：Using following formula：
Q=A × q；
P=Q × K；
Wherein P is the heating power estimated value of heating element, unit W；
Q is the heat radiation power of the outer wall of sodium-sulphur battery incubator, unit W；
A is the surface area of the outer wall of sodium-sulphur battery incubator, unit m2；
Q is the unit area heat radiation power of the outer wall of sodium-sulphur battery incubator, unit W/m2；
K：The heating power coefficient of sodium-sulphur battery incubator.
When sodium-sulphur battery incubator Preliminary design, the heating power of heating element must be bigger than normal, to simplify the calculation, can estimate
The heating power estimated value of heating element, and over-evaluate the heating power estimated value of heating element.Therefore the value of q can be constant
300, K value can be constant 1.4, and the heating power estimated value of heating element has to be larger than the heating power actual measurement of heating element
Value.
Connection step：Each heating element on sodium-sulphur battery incubator is separately connected corresponding current sense
Device, and all current sensors are accessed into a data collecting system for having data recording function, current sensor also may be used
It is replaced with kilowatt-hour meter or power meter.
Emulate heating step：Sodium-sulphur battery incubator is set to heat up according to set heating curve, data collecting system
By each current sensor, the curent change curve of the heating element corresponding to each current sensor is recorded.
Heating element power ratio calculates step:In sodium-sulphur battery incubator temperature-rise period, each of different phase is intercepted
The curent change curve of heating element, calculates each stage, the ratio of the measured current of each heating element of sodium-sulphur battery incubator,
Actual measurement heating general power maximum time period especially in sodium-sulphur battery incubator temperature-rise period, i.e. sodium-sulphur battery incubator heating speed
The rate most fast period, the measured current of the actual measurement minimum heating element of heating power and other heating elements are real in each heating element
The ratio of electric current is surveyed, power meter or kilowatt-hour meter is such as used, then calculates the power ratio or electric degree ratio of each heating element.
Curent change curve is generally divided into four sections：
Low-temperature zone：The measured current of each heating element of sodium-sulphur battery incubator is steady state value.
Middle-temperature section：Sodium-sulphur battery incubator starts accelerated warming, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream first increases to be kept constant afterwards, and in the stage, sodium-sulphur battery incubator heats up the most fast stage, i.e. measured current is kept constant
Period is actual measurement heating general power maximum time period, finds out in actual measurement heating general power maximum time period and surveys heating power most
Low heating element and the heating element heat the actual measurement heating power of general power maximum time period in actual measurement.
High temperature section：Sodium-sulphur battery incubator heating rate eases up, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream starts to reduce.
Constant temperature zone：Sodium-sulphur battery incubator temperature is kept constant, the actual measurement electricity of each heating element of sodium-sulphur battery incubator
Stream is kept constant.
The specified heating power of the minimum heating element of heating power determines step：Determine actual measurement heating general power maximum time
The specified heating power that the minimum heating element of heating power is surveyed in section considers to control to adjust surplus, actual measurement heating general power
The specified heating power that the minimum heating element of heating power is surveyed in maximum time period should be the heating element in actual measurement heating
1.1 times of the actual measurement heating power of general power maximum time period.
Other specified heating powers of heating element determine step：Actual measurement in general power maximum time period is heated according to actual measurement to add
Ratio between the measured current of the minimum heating element of thermal power and other heating element measured currents, determines other heating parts
The specified heating power of part and position.The actual measurement minimum heating element of heating power in actual measurement heating general power maximum time period
Ratio between measured current and other heating element measured currents, as actual measurement adds in actual measurement heating general power maximum time period
Ratio between the specified heating power and the specified heating power of other heating elements of the minimum heating element of thermal power.
Control Connection Step：All heating element parallel connections are accessed into heating power supply, heating power supply Configuration Control Unit, using one
Point control.
A kind of sodium-sulphur battery incubator heating element power calculation algorithms of the present invention are conducive to keep the temperature sodium-sulphur battery
The primary Ioops control of each heating element, passes through the specified heating power for accurately calculating each heating element and reasonable cloth in case
It sets, to solve the problems, such as temperature uniformity, achieving the effect that, which reduces cost, reduces the fault point, and in sodium-sulphur battery incubator
The calculating of the specified heating power of each heating element is simple, efficient, reliable.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, to the variation of above example, become
Type will all be fallen within the scope of claims of the present invention.
Claims (5)
1. a kind of sodium-sulphur battery incubator heating element power calculation algorithms, include the following steps：
Heating power estimated value calculates step：Estimate the heating power estimated value of each heating element of sodium-sulphur battery incubator；
Connection step：Each heating element on sodium-sulphur battery incubator is separately connected corresponding current sensor, and will
All current sensors access a data collecting system for having data recording function；
Emulate heating step：Sodium-sulphur battery incubator is set to heat up according to set heating curve, the data collecting system
By each current sensor, the curent change curve of the heating element corresponding to each current sensor is recorded；
Heating element power ratio calculates step:When obtaining the heating of sodium-sulphur battery incubator, actual measurement heating general power maximum time
The measured current of the minimum heating element of heating power and other heating element measured currents are surveyed in section in each heating element
Ratio；
The specified heating power of the minimum heating element of heating power determines step：It determines real in actual measurement heating general power maximum time period
Survey the specified heating power of the minimum heating element of heating power；
Other specified heating powers of heating element determine step：Actual measurement heating work(in general power maximum time period is heated according to actual measurement
Ratio between the measured current of the minimum heating element of rate and other heating element measured currents, determines other heating elements
Specified heating power；
Control Connection Step：All heating element parallel connections are accessed into heating power supply, the heating power supply connects controller, realizes one
Point control.
2. a kind of sodium-sulphur battery incubator heating element power calculation algorithms according to claim 1, it is characterised in that：Add
The estimation formula of the heating power estimated value of each heating element of sodium-sulphur battery incubator is in thermal power estimated value calculating step：
Q=A × q；
P=Q × K；
Wherein P is the heating power estimated value of the heating element；Q is the outer wall heat radiation power of sodium-sulphur battery incubator；A is sodium sulphur
The surface area of the outer wall of battery thermal case；Q is the unit area heat radiation power of the outer wall of sodium-sulphur battery incubator；K is sodium sulphur electricity
The heating power coefficient of battery thermal insulation box.
3. a kind of sodium-sulphur battery incubator heating element power calculation algorithms according to claim 2, it is characterised in that：q
For 300W/m2, K 1.4.
4. a kind of sodium-sulphur battery incubator heating element power calculation algorithms according to claim 1, it is characterised in that：Add
Thermal part power ratio calculates in step, intercepts the curent change curve of four each heating parts of different phase, and in each stage
Calculate the ratio of the measured current and other heating element measured currents of the actual measurement minimum heating element of heating power；Described four
A stage is：
Low-temperature zone：The measured current of each heating element of sodium-sulphur battery incubator is steady state value；
Middle-temperature section：Sodium-sulphur battery incubator starts accelerated warming, and the measured current of each heating element of sodium-sulphur battery incubator is first
It is kept constant after increase；
High temperature section：Sodium-sulphur battery incubator heating rate eases up, and the measured current of each heating element of sodium-sulphur battery incubator is opened
Begin to reduce；
Constant temperature zone：Sodium-sulphur battery incubator temperature is kept constant, and the measured current of each heating element of sodium-sulphur battery incubator is protected
It holds constant.
5. a kind of sodium-sulphur battery incubator heating element power calculation algorithms according to claim 1, it is characterised in that：Add
The specified heating power of the minimum heating element of thermal power determines in step, and heating work(is surveyed in actual measurement heating general power maximum time period
The specified heating power of the minimum heating element of rate should be actual measurement of the heating element in actual measurement heating general power maximum time period
1.1 times of power.
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| CN201610675977.2A CN106058385B (en) | 2016-08-17 | 2016-08-17 | A kind of sodium-sulphur battery incubator heating element power calculation algorithms |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840232A (en) * | 2014-03-21 | 2014-06-04 | 国网上海市电力公司 | Temperature field control method for sodium-sulfur battery module heat-preservation box |
| WO2015000683A1 (en) * | 2013-07-03 | 2015-01-08 | Robert Bosch Gmbh | Control device and method for operating a high-temperature battery |
| WO2015056739A1 (en) * | 2013-10-17 | 2015-04-23 | 日本碍子株式会社 | Secondary battery |
| CN105552478A (en) * | 2016-01-15 | 2016-05-04 | 温州大学 | Design method of power battery temperature control system and corresponding control system |
-
2016
- 2016-08-17 CN CN201610675977.2A patent/CN106058385B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015000683A1 (en) * | 2013-07-03 | 2015-01-08 | Robert Bosch Gmbh | Control device and method for operating a high-temperature battery |
| WO2015056739A1 (en) * | 2013-10-17 | 2015-04-23 | 日本碍子株式会社 | Secondary battery |
| CN103840232A (en) * | 2014-03-21 | 2014-06-04 | 国网上海市电力公司 | Temperature field control method for sodium-sulfur battery module heat-preservation box |
| CN105552478A (en) * | 2016-01-15 | 2016-05-04 | 温州大学 | Design method of power battery temperature control system and corresponding control system |
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Effective date of registration: 20200903 Address after: Room 1201, no.1346 Gonghe Xin Road, Jing'an District, Shanghai 200070 Patentee after: Shanghai Electric Enterprise Development Co., Ltd Address before: 201815 Shanghai Jiading District City Jia Zhu Road No. 1997 Patentee before: SHANGHAI ELECTRIC SODIUM SULFUR ENERGY STORAGE TECHNOLOGY Co.,Ltd. |