CN205355206U - Battery system - Google Patents
Battery system Download PDFInfo
- Publication number
- CN205355206U CN205355206U CN201620013831.7U CN201620013831U CN205355206U CN 205355206 U CN205355206 U CN 205355206U CN 201620013831 U CN201620013831 U CN 201620013831U CN 205355206 U CN205355206 U CN 205355206U
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- Prior art keywords
- battery
- battery system
- heating
- battery core
- control unit
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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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Abstract
The utility model discloses a battery system, it is including generating heat module and electric core, and the module that generates heat includes heating element and heating circuit, and it has the heat conduction passageway to establish between heating element and the electric core, and heating circuit is used for providing electric current to heating element to control heating element generate heat. Through above mode, the utility model discloses can guarantee battery energy normal use under low temperature environment, and the cost is lower, it is comparatively convenient to use.
Description
Technical field
This utility model relates to electronic technology field, particularly relates to a kind of battery system.
Background technology
Intelligent battery is also referred to as SBS (SmartBatterySystem, smart battery system), and it is branch and the important component part of present generation power supplies technology.Intelligent battery utilizes internal electron circuit to measure, calculates and store battery data, and it makes using and managing more measurable of power supply.
For battery, at low ambient temperatures, the internal resistance of cell is relatively big, affects battery performance.At low ambient temperatures, using the electric automobile of lithium battery to there will be the phenomenon that cannot start, What is more, uses the electronic unmanned plane of lithium battery that the phenomenon of air crash can occur, and the lithium battery of some model is even directly it is not recommended that use at low ambient temperatures.
At present, it is adopt the such as external equipment such as air-conditioning, insulation film that battery is incubated before using battery that prior art solves the more common mode of above-mentioned technical problem, re-uses battery when the temperature of battery reaches the temperature of suitable use.But, cause the rising of cost owing to external equipment realizes relatively costly meeting, and use comparatively inconvenient.
Utility model content
In view of this, this utility model embodiment provides a kind of battery system, it is ensured that battery can normally use at low ambient temperatures, and can solve relatively costly with in-convenience in use technical problem.
For solving above-mentioned technical problem, this utility model provides a kind of battery system, including heating module and battery core, heating module includes heater element and heater circuit, setting up between heater element and battery core has passage of heat, heater circuit to be used for providing current to heater element, to control heating element generating heat.
Wherein, heater element is the FPC soft board of parcel heater strip, and, FPC soft board: all or part of outer surface of parcel battery core；Or be embedded between any two battery core.
Wherein, heater element is heating plate or heating resistor, and, heating plate or heating resistor: fit with all or part of outer surface of battery core；Or be embedded between any two battery core.
Wherein, battery system also includes temperature acquisition module, and temperature acquisition module includes temperature sensor, and temperature sensor is arranged on the outer surface of battery core.
Wherein, battery system also includes control unit, and control unit is connected with heating module and temperature acquisition module respectively.
Wherein, battery system also includes outer input interface, and outer input interface is connected with control unit.
Wherein, battery system also includes communications module, and communications module is connected with control unit.
Wherein, battery system also includes abnormal protection unit, and abnormal protection unit is connected with control unit.
Based on above technical scheme, the battery system that this utility model embodiment provides, heater element is set, and make itself and battery core set up passage of heat, control heater strip heating by heating circuit, so that battery core temperature raises, therefore can ensure that battery can normally use at low ambient temperatures, and have more less costly, and use conveniently advantage.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the battery system according to this utility model embodiment；
Fig. 2 is the electrical block diagram of the heating module according to this utility model embodiment；
Fig. 3 is the electrical block diagram of the temperature acquisition module according to this utility model embodiment；
Fig. 4 is the abnormal protection unit according to this utility model embodiment and the electrical block diagram of heating module；
Fig. 5 is the population structure schematic diagram of the battery according to this utility model embodiment；
Fig. 6 is the exploded view of the battery according to this utility model embodiment；
Fig. 7 illustrates the connected mode of the battery core according to this utility model embodiment and heater element.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
It should be noted that battery mentioned in this utility model embodiment is preferably lithium battery.Certainly, this utility model is equally applicable to iron cell, Ni-MH battery, lithium battery, lithium polymerization cell, lead-acid battery, and this utility model is equally applicable to above battery.
Referring firstly to the electrical block diagram that Fig. 1, Fig. 1 are battery systems according to this utility model embodiment.As it is shown in figure 1, battery system includes battery modules 10, heating module 30, temperature acquisition module 40 and control unit 20.
Specifically, battery modules 10 includes multiple battery core 101,102,103 ... 104 and shell 11.Heating module 30 respectively with multiple battery cores 101,102,103 ... 104 contact.Temperature acquisition module 40 equally respectively with multiple battery cores 101,102,103 ... 104 contacts, for gathering the temperature of each battery core.Control unit 20 is connected with heating module 30 and temperature acquisition module 40 respectively, in multiple battery cores 101,102,103 ... before 104 startups, control unit 20 controls heating module 30 to multiple battery cores 101,102,103 ... 104 are heated, and synchronize to obtain multiple battery core 101,102,103 from temperature acquisition module 40 ... the temperature of 104, and in multiple battery cores 101,102,103 ... when the temperature of 104 is more than or equal to the first preset temperature, controls heating module 30 and stop multiple battery cores 101,102,103 ... 104 are heated.
And continuing with referring to Fig. 1, as shown in Figure 1, battery system also includes outer input interface 50, outer input interface 50 is connected with control unit 20, triggering signal for inputting generation according to user and send to control unit 20, control unit 20 response triggering signal controls heating module 30 and battery core is heated.
For example, outer input interface 50 concretely button, switch, wireless signal receiver.
And; battery system also includes abnormal protection unit 70; abnormal protection unit 70 is connected with control unit 20; for detecting the input current of heating module 30; and when input current is more than predetermined current threshold; send abnormal signal to control unit 20, stop battery core being heated so that control unit 20 controls heating module 30 according to abnormal signal.
Further, battery system also includes the communications module 60 being connected with control unit 20, and communications module 60 is also connected with external equipment, and when control unit 20 receives abnormal signal, control unit 20 is produced abnormal information and sent to external equipment by communications module 60.For example, communications module 60 can be serial or parallel communication module, and SPI, I2C or other existing bus protocols specifically can be adopted to communicate.
Refer to the electrical block diagram that Fig. 2, Fig. 2 are the heating modules 30 according to this utility model embodiment.As shown in Figure 2, heating module 30 includes parcel heater strip 3021 ... (Fig. 2 does not illustrate the FPC soft board of 3024, in introducing in detail below) and heater circuit 301, each FPC soft board is wrapped in the outer surface of a corresponding battery core respectively, heater circuit 301 is used for providing current to heater strip 3021 ... 3024, to control its heating.
Alternatively it is also possible to replace heater strip with resistance, to realize the heating function similar with heater strip.
Refer to the electrical block diagram that Fig. 3, Fig. 3 are the temperature acquisition modules 40 according to this utility model embodiment.As shown in Figure 3, temperature acquisition module 40 specifically includes temperature sensor 41 ... 44 and first analog-digital converter 42, each temperature sensor is arranged on the outer surface of corresponding battery core, and the first analog-digital converter 42 obtains temperature sensor 41 respectively ... voltage signal is also converted to digital signal transmission to control unit 20 by the voltage signal of the temperature of the 44 representative each battery cores gathered.
It should be noted that in the present embodiment, the quantity of battery core is multiple, but in alternative embodiment of the present utility model, the quantity of battery core can be 1, when the quantity of battery core is 1, again may be by mode disclosed above and single battery core is preheated.
Preferably, above-mentioned first preset temperature is 5 DEG C.
Further, based on the framework shown in Fig. 1, in the present embodiment, when multiple battery cores 101,102,103 ... 104 start after, more can in multiple battery cores 101,102,103 ... between 104, realize temperature equalization.Specifically can referring to hereinafter described:
In multiple battery cores 101, 102, 103 ... 104 when being in charge or discharge state, control unit 20 may be configured as the temperature regularly obtaining each battery core from temperature acquisition module 40, in multiple battery cores 101, 102, 103 ... in 104 arbitrarily the temperature difference of the two more than or equal to predetermined upper threshold value, and multiple battery core 101, 102, 103 ... when the temperature of the temperature the higher person in both any in 104 is less than or equal to the second preset temperature, control unit 20 controls heating module 30 to multiple battery cores 101, 102, 103 ... the temperature junior in both any in 104 is heated until temperature difference is less than or equal to predetermined lower threshold value, wherein predetermined upper threshold value is more than predetermined lower threshold value.
Preferably, predetermined upper threshold value is 10 DEG C, and the second preset temperature is 35 DEG C, and predetermined lower threshold value is 5 DEG C.
Illustrating in order to clear further, referring to Fig. 4, Fig. 4 is the abnormal protection unit according to this utility model embodiment and the electrical block diagram of heating module.
As shown in Figure 4, heating module includes two groups of heating wires, its heater circuit is as shown in Figure 4, wherein first group of heating wire is the heating wire 802 being arranged in parallel, 803, 804, 805, second group of heating wire is the heating wire 802 ' being arranged in parallel, 803 ', 804 ', 805 ', first group of heating wire is wrapped in a FPC soft board, oneth FPC soft board is used for wrapping up the first battery core, second group of heating wire is wrapped in the 2nd FPC soft board, 2nd FPC soft board is used for wrapping up the second battery core, constant voltage source VCC is respectively applied on two groups of heating wires, control unit 20 controls the break-make of switch triode 809 by current-limiting resistance 807 and divider resistance 808, carry out generating heat or stop heating thus controlling first group of heating wire, control unit 20 controls the break-make of switch triode 809 ' by current-limiting resistance 807 ' and divider resistance 808 ', carry out generating heat or stop heating thus controlling second group of heating wire.
And continuing with referring to Fig. 4, as shown in Figure 4, abnormal protection unit includes:
Sampling resistor group 806, including the resistance (shown in figure 2, but this utility model also includes the situation more than 2) of multiple parallel connections, for the total current that the heater strip in work uses is converted to voltage；
Second analog-digital converter 801, is arranged between one end and the other end of sampling resistor group 806, to gather the voltage of point-to-point transmission, and converts the voltage to the voltage value of digital signal.
Control unit 20 also can realize the partial function of abnormal protection unit; specifically; this voltage value and a default value are made comparisons by control unit 20; when this voltage value is more than default value; judge that the input current of heating module is more than predetermined current threshold; now control unit 20 sends high level to audion 809 and audion 809 ' two groups of heater strips is quit work, and stops all battery cores are heated thus realizing controlling heating module.
It should be noted that in the present embodiment, for the ease of illustrating, only illustrate with two groups of heater strips, but, it will be recognized by those of skill in the art that, in alternate embodiments of the present utility model, also should include the situation using a group, three groups or above heating wire.
Further, in circuit shown in Fig. 4, have employed the sampling resistor group 806 of the resistance including multiple parallel connection, it is by the connected mode of multiple resistor coupled in parallel, the current value flowing through single resistance can be reduced, thus reducing caloric value, it is to avoid the situation generation that the heating of this partial circuit is excessively serious.
Further, abnormity protection circuit also includes electric fuse, and as shown in Figure 4, electric fuse 821 is connected with first group of heating wire, and when first group of heating wire electric current is excessive, fusing is thus carrying out overtemperature protection to battery core and this circuit automatically.
In like manner, electric fuse 821 ' is connected with second group of heating wire, to realize the function similar with heating wire 821.
Below please with further reference to Fig. 5 and Fig. 6, wherein Fig. 5 is the population structure schematic diagram of the battery according to this utility model embodiment, and Fig. 6 is the exploded view of the battery according to this utility model embodiment.
As shown in Figure 5 and Figure 6, battery of the present utility model includes battery core 101 and battery core 102, FPC soft board 810 is wrapped in the outer surface of battery core 101 and battery core 102, and FPC soft board 810 wraps up above-mentioned first group heater strip and second group of heater strip respectively.
It should be noted that FPC soft board 810 can wrap up all or part of outer surface of battery core or be embedded in described in any two between battery core.
In fig. 5 and fig., specifically disclose a kind of preferred implementation being realized heater element function by FPC soft board and heater strip, refer to Fig. 7, Fig. 7 and the connected mode of the battery core according to this utility model embodiment and heater element is shown.As shown in Figure 7; heater element 901 of the present utility model sets up passage of heat with battery core 101; heater element 901 should not be limited only to FPC soft board and heater strip; set up between all and battery core and have passage of heat, and all heater elements that the electric current provided by heater circuit carries out generating heat also should within this utility model protection domain.
For example, heater element is alternatively heating plate or heating resistor, and, described heating plate or described heating resistor can be fitted with all or part of outer surface of described battery core, or are embedded in described in any two between battery core.
It should be noted that temperature sensor (not illustrating) can be respectively arranged at the outer surface of battery core 101 and 102, the quantity of the temperature sensor that each battery core is corresponding is not limit, and can arrange according to actual needs.
Therefore, in the present embodiment, by above-mentioned setting, more can solve the problem that the temperature of battery core monomer is inconsistent in cell operations, make multiple battery core keep temperature consistency and then the performance of raising battery, and improve battery charge state (SOC further, stateofcharge) accuracy, and then realize the temperature equalization between multiple battery core.
To sum up, the battery system that this utility model embodiment provides, the battery system that this utility model embodiment provides, heater element is set, and makes itself and battery core set up passage of heat, control heater strip heating by heating circuit, so that battery core temperature raises, therefore can ensure that battery can normally use at low ambient temperatures, and have more less costly, and use conveniently advantage.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (8)
1. a battery system, it is characterized in that, including heating module and battery core, described heating module includes heater element and heater circuit, set up between described heater element and described battery core and have passage of heat, described heater circuit is used for providing current to described heater element, to control described heating element generating heat.
2. battery system according to claim 1, it is characterised in that described heater element is the FPC soft board of parcel heater strip, and, described FPC soft board:
Wrap up all or part of outer surface of described battery core；
Or it is embedded in described in any two between battery core.
3. battery system according to claim 1, it is characterised in that described heater element is heating plate or heating resistor, and, described heating plate or described heating resistor:
Fit with all or part of outer surface of described battery core；
Or it is embedded in described in any two between battery core.
4. battery system according to claim 1, it is characterised in that described battery system also includes temperature acquisition module, and described temperature acquisition module includes temperature sensor, and described temperature sensor is arranged on the outer surface of described battery core.
5. battery system according to claim 4, it is characterised in that described battery system also includes control unit, described control unit is connected with described heating module and described temperature acquisition module respectively.
6. battery system according to claim 5, it is characterised in that described battery system also includes outer input interface, and described outer input interface is connected with described control unit.
7. battery system according to claim 5, it is characterised in that described battery system also includes communications module, and described communications module is connected with described control unit.
8. battery system according to claim 5, it is characterised in that described battery system also includes abnormal protection unit, and described abnormal protection unit is connected with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013831.7U CN205355206U (en) | 2016-01-06 | 2016-01-06 | Battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013831.7U CN205355206U (en) | 2016-01-06 | 2016-01-06 | Battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355206U true CN205355206U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620013831.7U Expired - Fee Related CN205355206U (en) | 2016-01-06 | 2016-01-06 | Battery system |
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| Country | Link |
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| CN (1) | CN205355206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216830A (en) * | 2018-08-09 | 2019-01-15 | 浙江新创能源有限公司 | A kind of power battery and its heating means |
| CN109716149A (en) * | 2016-09-15 | 2019-05-03 | 罗伯特·博世有限公司 | Method for running battery unit |
-
2016
- 2016-01-06 CN CN201620013831.7U patent/CN205355206U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716149A (en) * | 2016-09-15 | 2019-05-03 | 罗伯特·博世有限公司 | Method for running battery unit |
| CN109716149B (en) * | 2016-09-15 | 2021-09-21 | 罗伯特·博世有限公司 | Method for operating a battery cell |
| CN109216830A (en) * | 2018-08-09 | 2019-01-15 | 浙江新创能源有限公司 | A kind of power battery and its heating means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190106 |