CN207587869U - Lithium ion battery and electrical appliance using solar energy - Google Patents
Lithium ion battery and electrical appliance using solar energy Download PDFInfo
- Publication number
- CN207587869U CN207587869U CN201720972783.9U CN201720972783U CN207587869U CN 207587869 U CN207587869 U CN 207587869U CN 201720972783 U CN201720972783 U CN 201720972783U CN 207587869 U CN207587869 U CN 207587869U
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- battery
- lithium ion
- ion battery
- unit
- circuit board
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of lithium ion battery and electrical appliance using solar energy, wherein, the lithium ion battery includes battery case and one or is arranged side by side in multiple battery units in the battery case, each battery unit includes the battery strings at least two side by side, and electric heating film is equipped between two battery strings of the battery unit.It is more safe and reliable that the utility model can ensure that lithium ion battery works in low temperature environment.
Description
Technical field
The utility model is related to technical field of lithium ion, more particularly to a kind of lithium ion battery and electrical appliance using solar energy.
Background technology
With being on the rise for energy crisis and environmental pollution, the novel secondaries such as solar energy, wind energy non-polluting energy sources are gradually
Be widely used, New-energy electric vehicle also by countries in the world support energetically alleviate pressing for the energy and environmental pollution
Power.Novel secondary non-polluting energy sources are that energy resource supply is unstable the problem of the trans-utilization link of the energy is maximum, therefore logical
It crosses after converting to have got up power storage into the only way which must be passed, electric vehicle also be unable to do without the memory technology of electric energy, advocates in the whole world
Under the influence of lead ring guarantor and install convenient etc., more and more solar energy storage products start to use lithium ion battery, and
The existing performance of lithium ion battery determines that it cannot work at low ambient temperatures, and will not to influence its because of low temperature defeated for photovoltaic panel
Go out power, to make the unlikely waste of the energy, the lithium ion battery being applied under low temperature environment released at present is:It is used under low temperature
Lithium ion battery largely using plus heat-preservation cotton physics heat preserving method, the temperature of battery pack is still under long-time low temperature environment
Its environment temperature can be equal to, practical heat-preservation cotton cannot play insulation effect, such as at this moment have great risk using lithium battery;Add guarantor
It is many that Wen Mianhui increases battery pack Outside Dimensions, is allowed to volume increase.
Utility model content
The main purpose of the utility model is to provide a kind of lithium ion battery, it is intended to make lithium ion battery in low temperature environment temperature
The lower operation of degree is more safe and reliable.
To achieve the above object, the utility model proposes lithium ion battery, set including battery case and one or side by side
The multiple battery units being placed in the battery case, each battery unit include the battery strings at least two side by side, the battery
Electric heating film is equipped between two battery strings of unit.
Preferably, glass fiber plate of isolation is equipped between two adjacent battery units.
Preferably, the temperature detector being connect with peripheral control unit is additionally provided in the battery case, it is described for detecting
Battery cell temperature.
Preferably, the switching circuit board for connecting peripheral control unit, the electrical heating are additionally provided in the battery case
Film is electrically connected with the switching circuit board.
Preferably, temperature control protection switch that is neighbouring or being adjacent to the battery unit setting is additionally provided in the battery case,
Each electric heating film connects switching circuit board through the temperature control protection switch.
Preferably, the PCB isolation boards positioned at the battery unit end, the switching electricity are additionally provided in the battery case
Road plate is set in the one side back to the battery unit of the PCB isolation boards.
Preferably, the protection board for connecting peripheral control unit is additionally provided in the battery case, is set on the protection board
There is temperature control protective device, input, the output of each battery unit connect the protection board through the temperature control protective device.
Preferably, the protection board is arranged on the PCB isolation boards back in the one side of the battery unit, and positioned at institute
State the adjacency of switching circuit board.
Preferably, the battery case includes outer casing made of internal layer shell made of glass-fiber-plate and heat preservation material,
The battery case correspond to the switching circuit board end plate be equipped with cable-through hole, the external wire of the switching circuit board and
The input of the battery unit, output lead connect peripheral control unit through the cable-through hole.
The utility model also proposes a kind of electrical appliance using solar energy, is connect including peripheral control unit and with the peripheral control unit
Lithium ion battery, the lithium ion battery include battery case and one or are arranged side by side in multiple electricity in the battery case
Pool unit, each battery unit include the battery strings at least two side by side, and being equipped with electricity between two battery strings of the battery unit adds
Hotting mask.
Technical solutions of the utility model make lithium-ion electric by increasing electric heating film between the battery strings of lithium ion battery
Pond can heat its battery by electric heating film at low ambient temperatures, and the battery in lithium ion battery is made to be maintained at normal work
Continuous firing within the temperature range of work;For scheme of the prior art using heat-preservation cotton heat preservation, this programme can ensure
Lithium ion battery is more safe and reliable in low temperature environment work, and reduces the size increase to lithium ion battery.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the front view of the utility model lithium ion battery preferred embodiment;
Fig. 2 is the sectional view in A-A directions in Fig. 1;
Fig. 3 is the decomposition diagram of the utility model lithium ion battery preferred embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
The utility model proposes a kind of lithium ion batteries, are mainly used in solar energy storage product (for example, solar lighting
Lamp) in.
With reference to Fig. 2 and Fig. 3, in the present embodiment, which includes battery case 10 and one or arranged side by side
In multiple battery units 20 (the present embodiment is for 3) in battery case 10, each battery unit 20 includes at least two simultaneously
The battery strings 21 (the present embodiment is for two) of row are often arranged battery strings 21 and are made of several batteries, and the two of battery unit 20
Electric heating film 22 is equipped between battery strings 21.It should be noted that 22 set-up mode of electric heating film is explained in the present embodiment
It is as follows:When 21 quantity of battery strings in battery unit 20 is more than two, the setting of the electric heating film 22 in battery unit 20 can be with
For:1st, the electric heating film 22 in each battery unit 20 be one, the electric heating film 22 be arranged on arbitrary two battery strings 21 it
Between;2nd, electric heating film 22 is both provided between arbitrary two adjacent battery strings 21 in same battery unit 20, i.e., electricity adds at this time
Hotting mask 22 is multiple.The lithium ion battery of the present embodiment is in solar energy storage product in application, lithium ion battery is controlled with external
Device processed connection, by the charge and discharge of peripheral control unit control lithium ion, when in the case where environment temperature is too low, outside can be passed through
Controller control is powered to electric heating film 22 (for example, a part of electric energy that photovoltaic panel power generation generates is diverted to by peripheral control unit
Electric heating film 22 is powered), electric heating film 22 is made to generate heat and is heated with the battery to battery unit 20, is made in lithium ion battery
In the range of battery temperature maintains normal work, so as to ensure that lithium ion battery maintains to work normally at low ambient temperatures.
The present embodiment technical solution makes lithium ion by increasing electric heating film 22 between the battery strings 21 of lithium ion battery
Battery can heat its battery by electric heating film 22 at low ambient temperatures, and the battery in lithium ion battery is made to be maintained at just
Often continuous firing within the temperature range of work;For scheme of the prior art using heat-preservation cotton heat preservation, the present embodiment side
It is more safe and reliable that case can ensure that lithium ion battery works in low temperature environment, and reduces the size to lithium ion battery
Increase.
Further, with reference to Fig. 2 and Fig. 3, the present embodiment lithium ion battery divides also between two adjacent battery units 20
Not She You glass fiber plate of isolation 30, it is by glass fiber plate of isolation 30 that each battery unit 20 is mutually isolated, avoid adjacent two battery unit 20
Between influence each other, ensure lithium ion battery work security and stability.
Further, it with reference to Fig. 2 and Fig. 3, in the present embodiment, is additionally provided in battery case 10 and is connect with peripheral control unit
Temperature detector 40 (for example, thermistor), for detecting 20 temperature of battery unit.Peripheral control unit is according to temperature detector
The temperature of 40 feedbacks, controls the work of electric heating film 22;I.e. at a temperature of low temperature environment, when the temperature of battery unit 20 is reduced to
During the critical-temperature of cisco unity malfunction, peripheral control unit then controls electric heating film 22 to work;When the temperature of battery unit 20 is returned
When rising to certain temperature value, control electric heating film 22 is stopped.For the present embodiment is only with a temperature detector 40, when
So, in other embodiments, temperature detector 40 can also be more, such as correspond to each battery unit 20 and set one respectively
A temperature detector 40 or corresponding each battery strings 21 set a temperature detector 40 respectively, can cause temperature in this way
The temperature that detector 40 feeds back to peripheral control unit is more accurate.
Further, the switching circuit board for connecting peripheral control unit is additionally provided in the battery case 10 of the present embodiment
50, electric heating film 22 is electrically connected with switching circuit board 50.Pass through switching by increase that switching circuit board 50 makes electric heating film 22
Circuit board 50 connects peripheral control unit, and the circuit of electric heating film 22 is facilitated to set;In addition, temperature detector 40 can also be arranged on
It is connect on switching circuit board 50 or by switching circuit board 50 with peripheral control unit, circuit in battery case 10 is made more with this
Add succinct.
Further, as shown in Figures 2 and 3, it is additionally provided with neighbouring in battery case 10 or is adjacent to what battery unit 20 was set
Temperature control protection switch 60, each electric heating film 22 connect switching circuit board 50 through temperature control protection switch 60.Temperature control protection switch
60 is neighbouring or to be adjacent to battery unit 20 be the temperature in order to more accurately sense battery unit 20.When temperature detector 40 is abnormal
Or during peripheral control unit appearance exception, the heating that may result in electric heating film 22 is out of control, causes the battery in lithium ion battery
20 temperature of unit is excessively high and the failures such as burns out, and therefore, the present embodiment increases temperature control protection switch 60, further to control electrical heating
The work of film 22;I.e. when the temperature of battery unit 20 reaches the threshold value of setting, temperature control protection switch 60 will disconnect electric heating film
22 with the connection of switching circuit board 50, so as to cut off the power supply of electric heating film 22, electric heating film 22 is stopped, is effectively protected
Battery unit 20 is not burned;When the temperature of battery unit 20 is less than the threshold value of setting, temperature control protection switch 60 is closed, and makes electricity
The work of heating film 22 is controlled by peripheral control unit.The present embodiment is by increasing temperature control protection switch 60 so that lithium ion battery
Work it is more safe and reliable.
Further, it with reference to Fig. 2 and Fig. 3, is additionally provided in the battery case 10 of the present embodiment positioned at the battery unit 20
The PCB isolation boards 70 of end, the switching circuit board 50 are set in the one side back to battery unit 20 of the PCB isolation boards 70.
In the present embodiment, by the end set PCB isolation boards 70 in battery unit 20 by switching circuit board 50 and battery unit 20 every
It leaves, and switching circuit board 50 is installed by PCB isolation boards 70, make the structure in battery case 10 compacter.
Further, with reference to Fig. 2 and Fig. 3, the protection board 80 for connecting peripheral control unit is additionally provided in battery case 10,
The protection board 80 is circuit board, and protection board 80 is equipped with temperature control protective device (not shown), for detecting environment temperature;It is each
Input, the output of battery unit 20 connect protection board 80 through temperature control protective device.When temperature control protective device detects environment temperature
When degree reaches inoperable temperature range, temperature control protective device controls the input of each battery unit 20, output to disconnect, effectively
Protect the safety of lithium ion battery.The preferred protection board 80 of the present embodiment is located at the same end with switching circuit board 50, is also disposed at institute
PCB isolation boards 70 are stated back in the one side of the battery unit 20, and protection board 80 is located at the adjacency of switching circuit board 50, such as
This, it is compact-sized in guarantee battery case 10, and facilitate wire arrangements.
Preferably, the battery case 10 of the present embodiment is included made of internal layer shell 11 made of glass-fiber-plate and heat preservation material
Outer casing 12, internal layer shell 11 make that lithium ion battery reaches electric insulation and fire protecting performance is certain, and internal layer shell 11 can also
The material of other similar performances is taken to be made;The heat that outer casing 12 slows down inside lithium ion cell scatters and disappears, and makes lithium ion
Battery can be worked normally preferably at low ambient temperatures.The end plate that battery case 10 corresponds to switching circuit board 50 was equipped with line
Hole (non-label), the input of the external wire and battery unit 20 of switching circuit board 50, output lead connect outer through cable-through hole
Portion's controller.
The utility model also proposes a kind of electrical appliance using solar energy, the electrical appliance using solar energy include peripheral control unit and with the outside
The lithium ion battery of controller connection, the concrete structure of the lithium ion battery is with reference to above-described embodiment;Due to this electrical appliance using solar energy
Employ whole technical solutions of above-mentioned all embodiments, therefore institute at least caused by the technical solution with above-described embodiment
There is advantageous effect, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of lithium ion battery, which is characterized in that including battery case and one or be arranged side by side in the battery case
Multiple battery units, each battery unit includes the battery strings at least two side by side, between two battery strings of the battery unit
Equipped with electric heating film, glass fiber plate of isolation is equipped between two adjacent battery units.
2. lithium ion battery as described in claim 1, which is characterized in that be additionally provided in the battery case and peripheral control unit
The temperature detector of connection, for detecting the battery cell temperature.
3. lithium ion battery as claimed in claim 1 or 2, which is characterized in that be additionally provided with to connect in the battery case
The switching circuit board of peripheral control unit, the electric heating film are electrically connected with the switching circuit board.
4. lithium ion battery as claimed in claim 3, which is characterized in that be additionally provided with neighbouring in the battery case or be adjacent to institute
The temperature control protection switch of battery unit setting is stated, each electric heating film connects switching circuit board through the temperature control protection switch.
5. lithium ion battery as claimed in claim 4, which is characterized in that be additionally provided in the battery case positioned at the battery
The PCB isolation boards of unit end, the switching circuit board are set on the one side back to the battery unit of the PCB isolation boards
On.
6. lithium ion battery as claimed in claim 5, which is characterized in that be additionally provided with to connect outside in the battery case
The protection board of controller, the protection board are equipped with temperature control protective device, and the input of each battery unit is exported through the temperature
It controls protective device and connects the protection board.
7. lithium ion battery as claimed in claim 6, which is characterized in that the protection board is arranged on the PCB isolation backboard
To in the one side of the battery unit, and positioned at the adjacency of the switching circuit board.
8. lithium ion battery as claimed in claim 6, which is characterized in that the battery case includes internal layer made of glass-fiber-plate
Outer casing made of housing and heat preservation material, the end plate that the battery case corresponds to the switching circuit board were equipped with line
Hole, the input of the external wire of the switching circuit board and the battery unit, output lead connect outer through the cable-through hole
Portion's controller.
9. a kind of electrical appliance using solar energy, the lithium ion battery being connect including peripheral control unit and with the peripheral control unit, feature
It is, the lithium ion battery is lithium ion battery as claimed in any of claims 1 to 8 in one of claims.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720972783.9U CN207587869U (en) | 2017-08-01 | 2017-08-01 | Lithium ion battery and electrical appliance using solar energy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720972783.9U CN207587869U (en) | 2017-08-01 | 2017-08-01 | Lithium ion battery and electrical appliance using solar energy |
Publications (1)
Publication Number | Publication Date |
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CN207587869U true CN207587869U (en) | 2018-07-06 |
Family
ID=62717788
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CN201720972783.9U Active CN207587869U (en) | 2017-08-01 | 2017-08-01 | Lithium ion battery and electrical appliance using solar energy |
Country Status (1)
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CN (1) | CN207587869U (en) |
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2017
- 2017-08-01 CN CN201720972783.9U patent/CN207587869U/en active Active
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