CN110190362A - A kind of automatic control warm type battery - Google Patents
A kind of automatic control warm type battery Download PDFInfo
- Publication number
- CN110190362A CN110190362A CN201910438937.XA CN201910438937A CN110190362A CN 110190362 A CN110190362 A CN 110190362A CN 201910438937 A CN201910438937 A CN 201910438937A CN 110190362 A CN110190362 A CN 110190362A
- Authority
- CN
- China
- Prior art keywords
- thermal deformation
- heating elements
- electrical heating
- deformation piece
- automatic control
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000009413 insulation Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- 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
- H01M10/6571—Resistive heaters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
This application discloses a kind of temp auto-controlled batteries, comprising: battery case, inner core, positive terminal, negative terminal；It further include conductive thermal deformation piece and electrical heating elements, electrical heating elements are series between the first part of thermal deformation piece and the negative terminal, and the second part of thermal deformation piece extends at positive terminal；It further include conductive thermal deformation piece and electrical heating elements, the positive terminal of electrical heating elements is connect with positive terminal, and the first part of thermal deformation piece connect with negative terminal, and the second part of thermal deformation piece extends to the negative pole end of electrical heating elements；When the temperature of thermal deformation piece is lower than the first critical value, the second part and electrical heating elements negative pole end abutting contact of thermal deformation piece；When the temperature of thermal deformation piece is higher than the second critical value, thermal deformation piece is heated to generate warping deformation, to be dielectrically separated from electrical heating elements negative pole end.The battery of the application can voluntarily control the temperature of itself according to the height of ambient temperature, remain at battery temperature in suitable range.
Description
Technical field
This application involves a kind of battery, especially a kind of automatic control warm type battery.
Background technique
Compared to single battery, battery pack is a kind of power-supply device with higher voltage, larger capacity, mainly by crowd
More battery cells are composed in series and parallel.Each battery cell at low ambient temperatures can not normal charge and discharge in battery pack in order to prevent
Electricity usually configures heating device in battery pack.The heating device configured in battery pack can only be integrally to each electricity in battery pack
Pond monomer carries out heat temperature raising, and needs that the sensor for monitoring battery temperature is specially arranged, to monitor battery
Aforementioned heating device is just opened when temperature is too low integrally to heat battery pack.
If temperature too low situation occurs in a certain battery cell in battery pack, above-mentioned heating device is not had to this
The ability that single battery cell is heated.In addition, if each battery cell is used alone, because of the not presence of heating device
And it cannot work normally at low ambient temperatures.
Summary of the invention
The purpose of the application is: in view of the above-mentioned problems, proposing a kind of automatic control warm type battery, which can be according to ambient enviroment
The height of temperature voluntarily controls the temperature of itself, remains at battery temperature in suitable range.
The technical solution of the application is:
A kind of automatic control warm type battery, comprising:
Battery case；
The inner core being contained in the battery case,
The positive terminal being connect with the positive conductive of the inner core, and
The negative terminal being connect with the negative conductive of the inner core；
It further include conductive thermal deformation piece and electrical heating elements, the positive terminal of the electrical heating elements and the positive terminal
Connection, the first part of the thermal deformation piece connect with the negative terminal, and the second part of the thermal deformation piece extends to institute
State the negative pole end of electrical heating elements；
When the temperature of the thermal deformation piece be lower than the first critical value when, the second part of the thermal deformation piece with it is described
The negative pole end abutting contact of electrical heating elements；
When the temperature of the thermal deformation piece is higher than the second critical value, the thermal deformation piece is heated to generate warping deformation, from
And it is dielectrically separated from the negative pole end of the electrical heating elements；
Second critical value is not less than first critical value.
The application further includes following preferred embodiment from the basis of above-mentioned technical proposal:
The battery case is connect with the positive conductive of the inner core, and the battery case and the negative terminal empire cloth
It sets, the positive terminal is the battery case.
The electrical heating elements fixing sleeve is set to outside the battery case.
The electrical heating elements are PTC heating element.
Second critical value is equal to first critical value.
The thermal deformation piece is made of the interior sheet body being fixed to each other and outer sheet body, and the interior sheet body and the outer sheet body have
Different thermal expansion coefficients.
At least one the interior sheet body and outer sheet body are conductor.
The negative terminal is the negative terminal for protruding from the automatic control warm type battery surface, described the of the thermal deformation piece
A part of fixing sleeve is set to outside the negative terminal.
The thermal deformation piece includes three second parts.
The insulation for separating three's insulation is disposed between the negative terminal, the battery case and the electrical heating elements
Spacer ring.
The advantages of the application, is:
The application utilizes thermal deformation under high and low temperature environment by configuring thermal deformation piece and electrical heating elements on battery
The deformation features of piece realize the disconnection and conducting of electrical heating elements and battery plus-negative plate, and utilize battery at low ambient temperatures
The electric energy of itself heats battery, and the heating component disconnection of battery stops working under hot environment, so by battery itself temperature
It maintains in required range.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to required use in embodiment description
Attached drawing be briefly described, the drawings in the following description are only some examples of the present application, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of automatic control warm type battery in the embodiment of the present application；
Fig. 2 is the axial section of automatic control warm type battery in the embodiment of the present application；
Wherein: 1- battery case, 2- negative terminal, 3- thermal deformation piece, 3a- first part, 3b- second part, 4- electric heating
Element, 5- insulated spacing collar.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described in the present embodiment.The purpose of following specific embodiments is provided
It is easy for becoming apparent from present disclosure thorough explanation, wherein the words of the indicating positions such as upper and lower, left and right is only needle
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or can also adopt with other methods, component or material.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical solution can also be in one or more embodiments arbitrarily to close
Suitable mode combines.For those skilled in the art, it should be readily appreciated that method related with embodiment provided herein
Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, is required unless expressly stated according to a certain sequence.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Figures 1 and 2 show that a specific embodiment of this automatic control warm type battery of the application, which is cylindrical
Lithium ion battery, identical with conventional batteries to be, which also includes battery case 1, inner core (not shown) and negative terminal
2, wherein inner core is contained in inside battery case 1, battery case 1 be metal conductive materials (such as steel, aluminium), and battery case 1 with it is interior
The positive conductive of core connects, and makes the battery case 1 positively charged.Negative terminal 2 is connect with the negative conductive of aforementioned inner core, and is made
It is negatively charged to obtain the negative terminal 2, and negative terminal 2 is fixedly connected and (is indirectly connected with) with aforementioned battery case 1.Meanwhile negative pole end
Son 2 and 1 insulation arrangement of battery case are to prevent short circuit, specifically: being disposed between negative terminal 2 and battery case 1 and the two insulate
The insulated spacing collar 5 separated.
The key improvements of the present embodiment are that the battery is also configured with thermal deformation piece 3 and electrical heating elements 4, thermal deformation piece 3
It can be conductive, it is clear that the electrical heating elements 4 that could be generated heat that are powered are also conductive.The positive terminal of aforementioned electrical heating elements 4 with it is positively charged
Battery case 1 be connected, which (for convenience of the technical solution for describing the present embodiment, is known as the by a part of thermal deformation piece 3
A part of 3a) it is connected with electronegative negative terminal 2, another part of thermal deformation piece 3 is (for convenience of the skill for describing the present embodiment
The part is known as second part 3b by art scheme) extend to the negative pole ends of aforementioned electrical heating elements 4.When the temperature of thermal deformation piece 3
When lower than a certain critical value (for convenience of the technical solution for describing the present embodiment, which being known as the first critical value), thermal change
The above-mentioned second part and 1 abutting contact of battery case of shape piece 3.It (is retouched for convenience when the temperature of thermal deformation piece 3 is higher than a certain critical value
The critical value is known as the second critical value by the technical solution for stating the present embodiment) when, thermal deformation piece 3 occur warping deformation and with electricity
The negative pole end of heating element 4 is spaced apart.Obvious aforementioned second critical value is not less than aforementioned first critical value.
When practical application, when the environment temperature locating for the battery is higher, the cathode of thermal deformation piece 3 and electrical heating elements 4
Hold it is spaced apart, the two insulation separates, electrical heating elements 4 are not powered on without heating to battery.The ring locating for the battery
When border temperature is too low, because own temperature is too low buckling deformation, deformed thermal deformation piece 3 (second occur for thermal deformation piece 3
Point 3b) negative pole end abutting contact with electrical heating elements 4 so that the positive terminal and negative pole end of electrical heating elements 4 respectively with
Anode and the cathode conducting of the battery, 4 heating power of electrical heating elements, battery is heated and temperature increases.Obviously, in the process
The temperature of middle thermal deformation piece 3 also increases, and the thermal deformation piece 3 occurs during temperature is raised or interruption or continuous
Buckling deformation, after the temperature of thermal deformation piece 3 is increased to a certain critical value, buckling deformation amount is sufficiently large and makes thermal deformation
Piece 3 separates insulation with the negative pole end of electrical heating elements 4, and the electric current for being passed through electrical heating elements 4 is cut off, and electrical heating elements 4 stop
Work.
The size of above-mentioned first critical value and the second critical value is determined by the material and architectural characteristic of thermal deformation piece 3 itself
It is fixed, in design, we can by adjusting the material and structure of thermal deformation piece 3, with obtain different size of first critical value and
Second critical value.For the same thermal deformation piece 3, under normal circumstances, the size phase of aforementioned second critical value and the first critical value
Together.
Thermal deformation piece 3 with above-mentioned deformation characteristic is very common in Material Field, and specifically in the present embodiment, the heat
Deformation sheet 3 is made of the interior sheet body being fixed to each other and outer sheet body, and interior sheet body and outer sheet body have different thermal expansion coefficients,
Different size of expansion or shrinkage occurs in temperature change using interior sheet body and outer sheet body and deforms for it, and realizes thermal deformation piece 3
Buckling deformation forward or backwards.
Above-mentioned interior sheet body and outer sheet body, at least one is conductor.
To prevent above-mentioned electrical heating elements 4 from loosening, the setting of electrical heating elements 4 is in sleeve assembling structure by the present embodiment, and will
4 fixing sleeve of electrical heating elements is set to outside battery case 1.
Electrical heating elements 4 in the present embodiment are using the PTC heating element with overcurrent protection.
In the present embodiment, above-mentioned negative terminal 2 is the negative terminal for protruding from the surface, the first part of thermal deformation piece 3
3a fixing sleeve is set to outside the negative terminal, can so promote the stability of the installation site on the battery of thermal deformation piece 3.
Shown in referring to Fig.1, the thermal deformation piece 3 of the present embodiment has there are three deformation pawl protruding and spaced apart from each other, this
Three deformation pawls all extend to the negative pole end of electrical heating elements 4, and deformation pawl above-mentioned is above-mentioned " second of thermal deformation piece
Divide 3b ".Note: electrical heating elements 4 have at least three negative pole ends.
It should be noted that battery case 1 connect with the positive conductive of inner core and makes 1 band of battery case just in the present embodiment
Electricity, so that the battery case 1 is the positive terminal of the battery, it can be by the positive and negative electrical terminals of electrical equipment point when practical application
It is not connected with aforementioned battery case 1 and negative terminal 2, to obtain work electricity consumption.And in some other embodiments of the application,
Battery case 1 itself is not charged, but specially insulation is fixing non-battery shell that one is connected with inner core anode just on battery case 1
The positive terminal of above-mentioned electrical heating elements 4 can be conductively connected, equally by extreme son, such as positive terminal in the positive terminal in this case
It can allow battery self-heating at low ambient temperatures, stop heating under high temperature environment.In the other some embodiments of the application
In, battery case 1 itself is positively charged, while positively charged positive terminal is fixedly installed on battery case 1 again, the battery case of this battery
1 and positive terminal be that electrical heating elements 4 and battery case 1 can be both conductively connected by the positive terminal of battery in such cases,
The positive terminal of electrical heating elements 4 and positive terminal can be conductively connected again.
To prevent electrical heating elements 4 from directly contacting with negative terminal 2, above-mentioned insulated spacing collar 5 is further placed in electricity simultaneously and adds
Between thermal element 4 and negative terminal 2, electrical heating elements 4 and the insulation of negative terminal 2 are separated.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow people that can understand this Shen
Content please is simultaneously implemented accordingly, and the protection scope of the application can not be limited with this.It is all according to the application main technical schemes
The equivalent transformation or modification that Spirit Essence is done should all be covered within the scope of protection of this application.
Claims (10)
1. a kind of automatic control warm type battery, comprising:
Battery case (1)；
The inner core being contained in the battery case,
The positive terminal being connect with the positive conductive of the inner core, and
The negative terminal being connect with the negative conductive of the inner core；
It is characterized in that, further including conductive thermal deformation piece (3) and electrical heating elements (4), the anode of the electrical heating elements (4)
End is connect with the positive terminal, and the first part of the thermal deformation piece (3) connect with the negative terminal (2), the thermal change
The second part of shape piece (3) extends to the negative pole end of the electrical heating elements (4)；
When the temperature of the thermal deformation piece (3) is lower than the first critical value, the second part of the thermal deformation piece (3) and institute
State the negative pole end abutting contact of electrical heating elements (4)；
When the temperature of the thermal deformation piece (3) is higher than the second critical value, the thermal deformation piece (3) is heated to generate warping deformation,
To be dielectrically separated from the negative pole end of the electrical heating elements (4)；
Second critical value is not less than first critical value.
2. automatic control warm type battery according to claim 1, which is characterized in that the battery case (1) and the inner core
Positive conductive connection, and the battery case (1) and the negative terminal (2) insulation arrangement, the positive terminal are the battery
Shell (1).
3. automatic control warm type battery according to claim 2, which is characterized in that electrical heating elements (4) fixing sleeve is set to
The battery case (1) is outside.
4. automatic control warm type battery according to claim 1, which is characterized in that the electrical heating elements (4) are PTC heating unit
Part.
5. automatic control warm type battery according to claim 1, which is characterized in that second critical value is equal to described first and faces
Dividing value.
6. automatic control warm type battery according to claim 1, which is characterized in that the thermal deformation piece (3) is by what is be fixed to each other
Interior sheet body and outer sheet body are constituted, and the interior sheet body and the outer sheet body have different thermal expansion coefficients.
7. automatic control warm type battery according to claim 6, which is characterized in that at least one the interior sheet body and outer sheet body are
Conductor.
8. automatic control warm type battery according to claim 7, which is characterized in that the negative terminal (2) is described to protrude from
First part's fixing sleeve of the negative terminal of automatic control warm type battery surface, the thermal deformation piece (3) is set to outside the negative terminal.
9. automatic control warm type battery according to claim 1, which is characterized in that the thermal deformation piece (3) includes described in three
Second part.
10. automatic control warm type battery according to claim 2, which is characterized in that the negative terminal (2), the battery case
(1) insulated spacing collar (5) for separating three's insulation is disposed between the electrical heating elements (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438937.XA CN110190362A (en) | 2019-05-24 | 2019-05-24 | A kind of automatic control warm type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438937.XA CN110190362A (en) | 2019-05-24 | 2019-05-24 | A kind of automatic control warm type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110190362A true CN110190362A (en) | 2019-08-30 |
Family
ID=67717779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910438937.XA Withdrawn CN110190362A (en) | 2019-05-24 | 2019-05-24 | A kind of automatic control warm type battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110190362A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146860A (en) * | 2017-04-26 | 2017-09-08 | 北京新能源汽车股份有限公司 | Battery cell, battery bag and the vehicle with it |
| CN206849874U (en) * | 2017-05-05 | 2018-01-05 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery with heat-sensitive component |
| CN208460931U (en) * | 2018-08-01 | 2019-02-01 | 郑州深澜动力科技有限公司 | Battery |
| CN208478510U (en) * | 2018-06-28 | 2019-02-05 | 江苏天钧精密技术有限公司 | A kind of battery modules heating battery core |
| CN209993705U (en) * | 2019-05-24 | 2020-01-24 | 苏州安靠电源有限公司 | Self-temperature-control battery |
-
2019
- 2019-05-24 CN CN201910438937.XA patent/CN110190362A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146860A (en) * | 2017-04-26 | 2017-09-08 | 北京新能源汽车股份有限公司 | Battery cell, battery bag and the vehicle with it |
| CN206849874U (en) * | 2017-05-05 | 2018-01-05 | 深圳市科达利实业股份有限公司 | A kind of battery cover plate structure and battery with heat-sensitive component |
| CN208478510U (en) * | 2018-06-28 | 2019-02-05 | 江苏天钧精密技术有限公司 | A kind of battery modules heating battery core |
| CN208460931U (en) * | 2018-08-01 | 2019-02-01 | 郑州深澜动力科技有限公司 | Battery |
| CN209993705U (en) * | 2019-05-24 | 2020-01-24 | 苏州安靠电源有限公司 | Self-temperature-control battery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190830 |