CN106876824B - A kind of semiconductor chilling plate Double-direction Temperature control device for button cell - Google Patents
A kind of semiconductor chilling plate Double-direction Temperature control device for button cell Download PDFInfo
- Publication number
- CN106876824B CN106876824B CN201710164900.3A CN201710164900A CN106876824B CN 106876824 B CN106876824 B CN 106876824B CN 201710164900 A CN201710164900 A CN 201710164900A CN 106876824 B CN106876824 B CN 106876824B
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- Prior art keywords
- temperature
- button cell
- module
- semiconductor chilling
- chilling plate
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Classifications
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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
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6572—Peltier elements or thermoelectric devices
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of semiconductor chilling plate Double-direction Temperature control devices for button cell, data acquisition module, data processing module, drive module, temperature-regulating module, wherein the temperature of button cell is acquired in real time by data acquisition module, collected data obtain judging result by the analysis of data processing module, temperature-regulating module is controlled by drive module according to judging result, temperature adjusting is carried out to button cell by temperature-regulating module.By mpu-pc communication, computer input temp setting value can be passed through at any time, change the temperature of button cell, and can the current button cell of real-time display on computers temperature.System bulk is small, and control is reliable, and precision is high.
Description
Technical field
The present invention relates to domain of control temperature, more particularly to it is a kind of SCM Based applied to button cell research
TEC Bidirectional temperature control system.
Background technique
Semiconductor chilling plate (Thermoelectric Cooler, TEC) is a kind of novel semi-conductor based on thermoelectric material
There is device one side to freeze, the function of another side heating.By changing in semiconductor chilling plate the direction of supply current and big
It is small, chill surface and heating face can be exchanged and adjust refrigerating capacity or heating capacity, to realize the adjusting of temperature.Due to semiconductor
Cooling piece has small in size, fast, long, environmental-friendly etc. excellent without refrigerant and service life without mechanical part, continuously operating, starting
Point is commonly applied to the limited occasion with high reliability in space.
With the continuous consumption of the energy, new energy materials become the research of current research hotspot, especially heat to electricity conversion.
Thermal cell is a kind of novel thermoelectric conversion element, i.e., a kind of battery of electric energy is converted thermal energy by thermodynamic cycle.Heat
The characteristic that battery is varied with temperature using electrode material voltage, is charged and discharged at different temperatures, follows by a heat power
Ring is to be converted into electric energy for the thermal energy of absorption.Therefore research to thermal cell, need can the thermostat of fast regulating temperature adjust
Temperature locating for battery.
In addition, under cryogenic conditions, the electrochemistry of inside battery is anti-since environment temperature is very big on the influence of the performance of battery
It can not should effectively be reacted, and under hot conditions, irreversible chemical reaction occurs for the meeting of inside battery, and causing can not
Inverse capacitance loss, therefore there are many performance changes that researcher has studied battery under different temperatures.
Currently, carrying out the research under different temperatures to battery, common method is by cell package into button cell, then
Entire button cell is put into insulating box.This method needs many very long wiring to attach a battery to battery testing system
On system, so that taking up a large area for whole system, at high cost.Temperature distribution is non-uniform in insulating box, and the volume of button cell
Very small, so that temperature locating for battery is not necessarily studied temperature spot, result of study and actual result will be present certain
Error.In addition, insulating box heating cooling rate is slow, and the temperature lower than room temperature cannot be reached.
Summary of the invention
In order to overcome the problems such as temperature rate present in existing test method is slow, temperature is inaccurate, the present invention is proposed
A kind of SCM Based TEC Double-direction Temperature regulator control system applied to button cell research.The system have control it is sensitive, can
By the advantages that property is strong, precision is high, speed is fast, and temperature can be controlled to subzero, more conducively experimental study.
The technical solution of the invention is as follows: a kind of semiconductor chilling plate Double-direction Temperature control dress for button cell
It sets, which includes: data acquisition module, data processing module, drive module, temperature-regulating module, wherein passing through data acquisition module
Block acquires the temperature of button cell in real time, and collected data obtain judgement knot by the analysis of data processing module
Fruit controls temperature-regulating module by drive module according to judging result, carries out temperature tune to button cell by temperature-regulating module
Section；It is characterized in that the temperature-regulating module includes left and right two parts, this two-part structure is full symmetric, and each section all includes:
Heat-conducting plate, the semiconductor chilling plate for being set to thermally conductive back are set to the radiator of semiconductor refrigerating on piece, described thermally conductive
The positive Middle face of plate is provided with the groove for placing button cell.
Further, the drive module be drive circuit in bi-directional, can control semiconductor chilling plate to button cell into
Row heating or refrigeration.
Further, the heat-conducting plate is aluminium sheet, and the positive depth of groove of the aluminium sheet is the half of button cell, groove-bottom
Portion is to the aluminium sheet back side with a thickness of 1 millimeter.
Further, the data processing module is single-chip microcontroller, and the single-chip microcontroller is additionally connected with computer, with computer
Realize two-way communication.
Technical solution of the present invention has the advantages that
1, highly reliable.The TEC Bidirectional temperature control system of button cell provided by the present invention includes 2 thermistors
The temperature on button cell two sides is measured respectively, 2 driving circuits is then associated with by single-chip microcontroller, and then respectively drive 2
TEC, so that 2 TEC carry out temperature adjustment to the two sides of button cell respectively.When one timing of set temperature value, the asynchronous work of 2 TEC
Ensure that the temperature on button cell two sides is consistent, and button cell thickness is smaller, thus the temperature adjustment respectively in 2 face of battery make it is whole
The temperature of a button cell reaches unanimity, and improves the reliability of experimental study.
2, control is flexible.The TEC Bidirectional temperature control system of button cell provided by the present invention can achieve quick liter
The Double-direction Temperature regulating effect of mild fast cooling.By mpu-pc communication, can be inputted at any time by computer
Desired temperature, changes the temperature of button cell, and can the current button cell of real-time display on computers temperature.System
Small in size, control is reliable, and precision is high.
Detailed description of the invention
Fig. 1 is the TEC Double-direction Temperature regulator control system schematic diagram of SCM Based button cell；
Fig. 2 is temperature-regulating module schematic internal view；
Fig. 3 is temperature-regulating module overall schematic.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Fig. 1 is a kind of TEC Double-direction Temperature regulator control system schematic diagram of button cell, including single-chip microcontroller (1), drive module
(2), data acquisition module (3), temperature sensor (4), TEC (5), aluminium sheet (6), radiator (7) and button cell (8).
Single-chip microcontroller is a kind of super low-power consumption, the mixed-signal processor for having data acquisition module (3), to realize and count
Communication, temperature data acquisition and the regulation to drive module of calculation machine.Detailed process is that data collecting module collected comes from temperature
Digital signal, i.e. measured temperature are converted into after the analog signal of sensor.Desired temperature is defeated by computer hyper terminal
It after entering, is compared in singlechip chip with measured temperature, if measured temperature is greater than desired temperature, output signal
To drive module, so that TEC freezes to battery；If measured temperature is less than desired temperature, driving is outputed signal to
Module heats battery so that TEC supply current direction is reversed；If measured temperature is equal to desired temperature, export
Signal stops powering to drive module to TEC.It include H-bridge circuit in drive module, to realize the change of current direction.
Temperature sensor is NTC thermistor, and volume is very small, high sensitivity, fast response time.There are two temperature in system
Sensor is spent, the two sides of button cell is individually positioned in, for measuring the temperature on battery two sides respectively, and then is fed back to respectively each
From drive module, to respectively respond TEC heating refrigerating state be adjusted.Battery two sides temperature is further ensured in this way
It is consistent, be conducive to experiment research.
The thermal coefficient of aluminium is high, at low cost, therefore system uses aluminium sheet as thermally conductive medium, as shown in Figure 2.The one of aluminium sheet
The high heat-conducting glue of face thermal coefficient and TEC are in close contact, and guarantee that heat transfer is good；There is a circle in the other one side center of aluminium sheet
Columnar slot is used to place button cell.In order to fix contact of the button cell with slot, the inner wall of slot is with an elastic rubber
Cushion rubber (9), rubber width are 1mm or so, and the diameter of rubber ring is the diameter of button cell.According to button cell size, slot
Height is the half of button cell thickness.Since thermal diffusion rate is inversely proportional with distance, so the thickness of aluminium sheet cannot be too thick, greatly
It is about 1mm thicker than the half of button cell thickness.It is conductor additionally, due to aluminium, button cell shell is also conductor, therefore, in order to right
Button cell is tested for the property, and is needed to spray one layer very thin of thermally conductive good but nonconducting coating in the bottom of slot, then be put
Test lead is set, the anode or cathode of button cell are mutually sympathized with corresponding test wiring.In order to guarantee that system closure is good,
There are elongate grooves on aluminium sheet to place test lead and thermistor wiring.
When TEC works, heated when while refrigeration in addition.In order to guarantee that TEC is worked normally, system, which has used, to be dissipated
Thermal radiates to hot end, as shown in Fig. 2, chill surface is allowed to be rapidly achieved set temperature value.Radiator includes
Cooling fin and radiator fan, effectively achieve the effect of rapid cooling.The radiator fan has individual power supply unit.
The application of TEC Bidirectional temperature control system provided by the invention is button cell, and main logic unit is single
Piece machine.Its special character of system is for the design of temperature-regulating module and with heating two working conditions of refrigeration, basic temperature adjustment process are as follows:
Set temperature value is inputted by computer interface window first, single-chip microcontroller is transferred to by communication module；Then single-chip microcontroller is read
Desired temperature, while the measured temperature for two temperature sensors that data collecting module collected arrives is read, and temperature is surveyed
Magnitude returns to computer, carries out real-time display.The size of comparison temperature setting value and two measured temperatures in single-chip microcontroller
Afterwards, instruction is issued to two driving circuits in drive module, and then drives TEC that work is heated or freezed to button cell
Make.Entire temperature regulation is in dynamic stability process, and when input temp setting value, temperature-regulating module can be made rapidly corresponding anti-
It answers, flexibly, precision is high for control.
Claims (4)
1. a kind of semiconductor chilling plate Double-direction Temperature control device for button cell, the device include: data acquisition module,
Data processing module, drive module, temperature-regulating module, wherein being adopted in real time by data acquisition module to the temperature of button cell
Collection, collected data obtain judging result by the analysis of data processing module, pass through drive module pair according to judging result
Temperature-regulating module is controlled, and carries out temperature adjusting to button cell by temperature-regulating module；It is characterized in that the temperature-regulating module includes
Left and right two parts, this two-part structure is full symmetric, and each section all includes: heat-conducting plate, is set to partly leading for thermally conductive back
Body cooling piece, is set to the radiator of semiconductor refrigerating on piece, and the positive Middle face of heat-conducting plate is provided with for placing button
The groove of battery；Further include two temperature sensors in the present apparatus, be individually positioned in the two sides of button cell, for measuring respectively
The temperature on battery two sides, and then respective drive module is fed back to respectively, freeze to the semiconductor refrigeration chip heating respectively responded
State is adjusted.
2. a kind of semiconductor chilling plate Double-direction Temperature control device for button cell as described in claim 1, feature
It is that the drive module is drive circuit in bi-directional, can control semiconductor chilling plate and button cell is heated or freezed.
3. a kind of semiconductor chilling plate Double-direction Temperature control device for button cell as described in claim 1, feature
It is that the heat-conducting plate is aluminium sheet, the positive depth of groove of the aluminium sheet is the half of button cell, bottom portion of groove to the aluminium sheet back side
With a thickness of 1 millimeter.
4. a kind of semiconductor chilling plate Double-direction Temperature control device for button cell as described in claim 1, feature
It is that the data processing module is single-chip microcontroller, and the single-chip microcontroller is additionally connected with computer, realizes two-way communication with computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164900.3A CN106876824B (en) | 2017-03-20 | 2017-03-20 | A kind of semiconductor chilling plate Double-direction Temperature control device for button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164900.3A CN106876824B (en) | 2017-03-20 | 2017-03-20 | A kind of semiconductor chilling plate Double-direction Temperature control device for button cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106876824A CN106876824A (en) | 2017-06-20 |
| CN106876824B true CN106876824B (en) | 2019-10-01 |
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| CN201710164900.3A Expired - Fee Related CN106876824B (en) | 2017-03-20 | 2017-03-20 | A kind of semiconductor chilling plate Double-direction Temperature control device for button cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655959A (en) * | 2017-10-26 | 2018-02-02 | 浙江大学 | A kind of controllable thermoelectrochemistry battery testing platform of electrode temperature and its method |
| TWI688180B (en) * | 2018-11-20 | 2020-03-11 | 緯創資通股份有限公司 | Portable electronic apparatus and battery temperature control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203423230U (en) * | 2013-06-25 | 2014-02-05 | 常州市宇峰电源有限公司 | Cooling type button battery |
| CN203689188U (en) * | 2014-01-10 | 2014-07-02 | 科达半导体有限公司 | Semiconductor temperature control device |
| CN105700587A (en) * | 2016-01-26 | 2016-06-22 | 山东科技大学 | A thermostatic control system for lithium battery performance tests |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
-
2017
- 2017-03-20 CN CN201710164900.3A patent/CN106876824B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203423230U (en) * | 2013-06-25 | 2014-02-05 | 常州市宇峰电源有限公司 | Cooling type button battery |
| CN203689188U (en) * | 2014-01-10 | 2014-07-02 | 科达半导体有限公司 | Semiconductor temperature control device |
| CN105700587A (en) * | 2016-01-26 | 2016-06-22 | 山东科技大学 | A thermostatic control system for lithium battery performance tests |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
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