CN206301909U - It is a kind of can the internal electrokinetic cell for surveying mild heat - Google Patents
It is a kind of can the internal electrokinetic cell for surveying mild heat Download PDFInfo
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- CN206301909U CN206301909U CN201621179267.2U CN201621179267U CN206301909U CN 206301909 U CN206301909 U CN 206301909U CN 201621179267 U CN201621179267 U CN 201621179267U CN 206301909 U CN206301909 U CN 206301909U
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- Prior art keywords
- battery
- temperature
- thermal detector
- electrokinetic cell
- internal
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- 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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model disclose it is a kind of can the internal electrokinetic cell for surveying mild heat, the utility model by outside batteries be provided for detect battery surface temperature the first thermal detector, and for detecting the second thermal detector of mean temperature in battery, wherein the second thermal detector extends in roundabout shape through inside battery and from one end of battery to the other end, measure the surface temperature and internal temperature of battery of electrokinetic cell respectively by the first thermal detector and the second thermal detector, contrasted by internal and external temperature, whether normal internal temperature of power battery can in time be monitored, to avoid battery from being caused the accident because internal temperature is too high, when detecting that internal temperature of battery is too low simultaneously, intensification is internally heated to electrokinetic cell by the second thermal detector, electrokinetic cell normal work can both be protected, also the service efficiency of battery is improved.
Description
Technical field
The utility model is related to cell-temperature monitoring field, it is more particularly to a kind of can the internal power electric for surveying mild heat
Pond.
Background technology
At present, new-energy automobile has become one of great strategy new industry of China seven, and with new-energy automobile
The development at full speed of research and development, lithium-ion-power cell due to the superiority such as high-energy-density and long circulating service life, progressively
As most one of electrokinetic cell of development potentiality and competitiveness, but the safety problem during lithium battery use is also constrained
The fast development of lithium dynamical battery.
In the prior art, electrokinetic cell is typically by high oxidative anode, strong reducing property negative electrode and flammable organic
Electrolyte is constituted, and electrokinetic cell is in being melted into or activating charging process because charge efficiency can not reach 100%, part not by
Electric energy for active material conversion is converted into heat energy.If can make because loose contact between all parts of inside battery
Contact resistance increases, and produces more Joule heat.If internal temperature of battery is too high, the performance of battery can be not only influenceed,
In the case of serious, batteries caught fire even explodes in also resulting in charge and discharge process, so as to cause huge economic loss.
In the prior art, the detection for battery temperature focuses primarily upon the temperature for obtaining electrokinetic cell surface, if dynamic
Overcharging occurs in power battery, short circuit the problems such as when, internal temperature of battery can change rapidly, but battery hull-skin temperature changes but not
It is very sensitive, and needs the regular hour, the internal temperature of battery can be just reflected into battery surface and be detected, therefore electricity
During the abnormal operating state of pond, there is larger temperature difference in internal temperature of battery and hull-skin temperature, therefore, to inside battery temperature
Degree carries out accurate and monitor in real time and is extremely important for the normal use of battery and management.
In addition, when cold weather, the electricity of electrokinetic cell can rapid decrease even result in cannot normal power supply and
Equipment is set to shut down, because environment temperature is too low so that the activity decrease of lithium ion battery electrode material, battery exists serious
Capacitance loss.In the prior art, most battery be not provided with corresponding heating system or simply using heating rod or
Heating plate is heated to the air of battery circumferential, can not cause that internal temperature of battery is improved rapidly, so as to electricity can not be lifted effectively
The service efficiency in pond.
Utility model content
Main purpose of the present utility model be propose it is a kind of can the internal electrokinetic cell for surveying mild heat, it is intended to accurate measurements
Internal temperature of power battery, to improve the safety and reliability of electrokinetic cell, and to inside battery heat temperature raising being lifted
The service efficiency of battery.
To achieve the above object, the utility model proposes it is a kind of can the internal electrokinetic cell for surveying mild heat, including battery
Housing, is provided with some plus plate current-collecting bodies as anode and the negative pole collection as GND inside the battery container
Fluid, the plus plate current-collecting body is arranged alternately with the negative current collector and is isolated by barrier film, the plus plate current-collecting body and institute
State negative current collector relative wall and be respectively equipped with positive active material and negative electrode active material；The outside batteries be additionally provided with for
The first thermal detector of the battery surface temperature is detected, and in roundabout shape through the inside battery and for detecting the electricity
Second thermal detector of pond internal temperature.
Preferably, second thermal detector for scale copper process and can heat temperature raising resistor disc, the resistor disc
Surface is coated with insulating barrier.
Preferably, the resistor disc is Cu50 thermometric pieces, and the Cu50 thermometrics sheet resistance values are 50 ohm, and the Cu50 is surveyed
Warm piece measurement temperature scope is -50 DEG C~150 DEG C.
Preferably, first thermal detector is temperature sensor.
Preferably, first thermal detector is the thermometric piece for thermometric.
Technical solutions of the utility model by outside batteries be provided for detect battery surface temperature the first thermal detector,
And for detecting the second thermal detector of internal temperature of battery, wherein the second thermal detector in roundabout shape through inside battery and from electricity
The one end in pond extends to the other end, by the first thermal detector and the second thermal detector monitor respectively the surface temperature of electrokinetic cell with
And internal temperature of battery, contrasted by internal and external temperature, whether normally internal temperature of power battery can be in time monitored, to avoid battery
Caused the accident because internal temperature is too high.When detecting that internal temperature of battery is too low simultaneously, by the second thermal detector to electrokinetic cell
Internal heat temperature raising, can both protect electrokinetic cell normal work, also improve the service efficiency of battery.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is battery appearance structural perspective of the present utility model；
Fig. 2 is inside battery structure structural representation of the present utility model；
Fig. 3 is inside battery structure sectional view of the present utility model；
Fig. 4 is the enlarged drawing at A in Fig. 3；
Fig. 5 is the structural representation of the second thermal detector of the present utility model；
Fig. 6 is the internal structure schematic diagram of the second thermal detector of the present utility model.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Positive terminal | 71 | Insulating barrier |
| 2 | Negative terminal | 72 | Scale copper |
| 3 | Thermometric post | 73 | Interface |
| 4 | Battery container | 8 | Positive active material |
| 5 | Negative current collector | 9 | Barrier film |
| 6 | Plus plate current-collecting body | 10 | Negative electrode active material |
| 7 | Second thermal detector |
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
If in addition, relate to the description of " first ", " second " etc. in the utility model embodiment, should " first ", " the
Two " description etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning
The quantity of the technical characteristic for showing.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that this technical side
The combination of case does not exist, not within the protection domain of the utility model requirement yet.
It is of the present utility model can the internal electrokinetic cell for surveying mild heat, including battery container 4, the surface of battery container 4 is also
It is provided with thermometric post 3, positive terminal 1 and the negative terminal 2 being connected with inside battery.Then it is provided with some as electricity inside battery container 4
The plus plate current-collecting body 6 of pond positive pole and the negative current collector 5 as GND, plus plate current-collecting body 6 and negative current collector 5 replace
Arrange and isolated by barrier film 9, plus plate current-collecting body 6 and the relative wall of negative current collector 5 are respectively equipped with positive active material 8 and bear
Pole active material 10, outside batteries are additionally provided with for detecting the first thermal detector of battery surface temperature, and are passed through in roundabout shape
Inside battery and the second thermal detector 7 for detecting internal temperature of battery.The utility model is set in circuitous by inside battery
Shape is returned and through the second thermal detector 7 of inside battery, so that the inside mean temperature of effective monitoring battery.
In electrokinetic cell of the present utility model, for detecting the second thermal detector 7 of internal temperature of battery for scale copper 72 adds
Work form and can heat temperature raising resistor disc, the surface of resistor disc is also covered with insulating barrier 71, and the second thermal detector 7 is additionally provided with interface
The 73 thermometric posts 3 set with battery container are connected.Preferably, the second thermal detector 7 of the present utility model is Cu50 thermometric pieces, wherein
The resistance of Cu50 thermometric pieces is 50 ohm, and measurable temperature range is -50 DEG C~150 DEG C.In the table of the second thermal detector 7
The insulating barrier 71 of face covering is polyethylene terephthalate, heat-conducting silicone grease, heat-conducting glue band, one kind of polytetrafluoroethylene (PTFE) or many
Kind so that be arranged at the second thermal detector 7 of inside battery with the touching of the circuit of inside battery will not cause internal short-circuit of battery and
Generation accident, in addition, being that temperature-measuring range is 50 DEG C~150 as the Cu50 measurable temperature ranges of thermometric piece of the second thermal detector 7
DEG C, compared with existing temperature measuring device, disclosure satisfy that electrokinetic cell thermometric requirement under various circumstances.
First thermal detector of electrokinetic cell of the present utility model is temperature sensor, or for thermometric battery surface temperature
Thermometric piece, it is preferable that thermometric piece is coated with the Cu50 thermometric pieces of insulating barrier for surface.By in battery surface, TEMP is set
Device or thermometric piece, can effectively monitor the temperature of battery surface, and managed accordingly.
The utility model can the control principle of the internal electrokinetic cell for surveying mild heat be：
During electrokinetic cell normal work of the present utility model, positioned at multiple temperature sensors or thermometric piece of outside batteries
Temperature detection is carried out to battery many places surface respectively, many places battery surface can be obtained after multiple temperature sensors or the detection of thermometric piece
Temperature value, then takes the average value of multiple surface temperature values, so as to obtain battery surface average temperature value and as the first temperature
Value.
The second thermal detector 7 that the utility model is arranged inside battery is Cu50 thermometric pieces, and the Cu50 thermometrics piece is in thin slice
Shape, and inside battery gap is passed through in roundabout shape, being extended to the other end from one end of battery, Cu50 thermometrics piece can be accurate
Detect the mean temperature of inside battery.During normal battery operation of the present utility model, Cu50 thermometrics piece can detect inside battery
Mean temperature and as second temperature value.
In the utility model, after second temperature value is higher than the first temperature value and more than certain temperature gap, it is preferable that
When second temperature value is higher by more than 20 degrees Celsius than the first temperature value, can determine that internal temperature of battery is too high, it is necessary to take corresponding
Battery is cut off outside power supply circuit by measure, in case internal temperature of battery is constantly raised and causes blast etc. unexpected.
After second temperature value is lower than the first temperature value and less than certain difference, it is preferable that second temperature value it is low go out 20
When more than degree Celsius, can determine that internal temperature of battery is too low inside battery is heated, it is necessary to take, to improve inside battery
Temperature.Because Cu50 thermometrics piece of the present utility model is the resistor disc that resistance is 50 ohm, when internal temperature of battery is significantly lower than
During battery surface temperature, electric current is passed through by Cu50 thermometric pieces so that Cu50 thermometrics piece generates heat so that internal temperature of battery liter
Normal work to ensure battery high such that it is able to effectively lift the service efficiency of battery.
The utility model is provided for the first of detection battery surface temperature relative to prior art by outside batteries
Thermal detector, and for detecting the second thermal detector of mean temperature in battery, wherein the second thermal detector is weaving through inside battery
And be configured to the other end from one end of battery, inside battery and outer is monitored by the second thermal detector and the first thermal detector respectively
The mean temperature in portion can in time and accurately detect the internal and external temperature situation of change of battery to be contrasted.Surveyed additionally by second
The heating of warm device causes that inside battery heats up, so that battery use is more safe and reliable.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under design of the present utility model, the equivalent structure transformation made using the utility model specification and accompanying drawing content, or
Directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (5)
1. it is a kind of can the internal electrokinetic cell for surveying mild heat, including battery container is provided with some works inside the battery container
Plus plate current-collecting body for anode and the negative current collector as GND, the plus plate current-collecting body and the negative pole collection
Fluid is arranged alternately and is isolated by barrier film, and the plus plate current-collecting body and the negative current collector relative wall are respectively equipped with positive pole
Active material and negative electrode active material；Characterized in that, the outside batteries are additionally provided with for detecting the battery surface temperature
The first thermal detector, and in roundabout shape is through the inside battery and is used to detect the second thermometric of the internal temperature of battery
Device.
2. electrokinetic cell as claimed in claim 1, it is characterised in that second thermal detector is for scale copper is processed and can
The resistor disc of heat temperature raising, the resistor disc surface is coated with insulating barrier.
3. electrokinetic cell as claimed in claim 2, it is characterised in that the resistor disc is Cu50 thermometric pieces, the Cu50 is surveyed
Warm sheet resistance values are 50 ohm, and the Cu50 thermometrics piece measurement temperature scope is -50 DEG C~150 DEG C.
4. electrokinetic cell as claimed in claim 1, it is characterised in that first thermal detector is temperature sensor.
5. electrokinetic cell as claimed in claim 1, it is characterised in that first thermal detector is the thermometric piece for thermometric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179267.2U CN206301909U (en) | 2016-10-26 | 2016-10-26 | It is a kind of can the internal electrokinetic cell for surveying mild heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179267.2U CN206301909U (en) | 2016-10-26 | 2016-10-26 | It is a kind of can the internal electrokinetic cell for surveying mild heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301909U true CN206301909U (en) | 2017-07-04 |
Family
ID=59203340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621179267.2U Withdrawn - After Issue CN206301909U (en) | 2016-10-26 | 2016-10-26 | It is a kind of can the internal electrokinetic cell for surveying mild heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384854A (en) * | 2016-10-26 | 2017-02-08 | 广东工业大学 | Power battery with inside temperature measuring and heating functions and control method thereof |
| CN108896923A (en) * | 2018-06-28 | 2018-11-27 | 合肥国轩高科动力能源有限公司 | Device and method for testing overcurrent capacity of current collector of lithium battery |
-
2016
- 2016-10-26 CN CN201621179267.2U patent/CN206301909U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384854A (en) * | 2016-10-26 | 2017-02-08 | 广东工业大学 | Power battery with inside temperature measuring and heating functions and control method thereof |
| CN106384854B (en) * | 2016-10-26 | 2020-04-17 | 广东工业大学 | Power battery capable of measuring and heating temperature internally and control method |
| CN108896923A (en) * | 2018-06-28 | 2018-11-27 | 合肥国轩高科动力能源有限公司 | Device and method for testing overcurrent capacity of current collector of lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20200417 |
|
| AV01 | Patent right actively abandoned |