CN205489684U - Intelligence power battery - Google Patents
Intelligence power battery Download PDFInfo
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- CN205489684U CN205489684U CN201620218051.6U CN201620218051U CN205489684U CN 205489684 U CN205489684 U CN 205489684U CN 201620218051 U CN201620218051 U CN 201620218051U CN 205489684 U CN205489684 U CN 205489684U
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Abstract
The utility model relates to an intelligence power battery contains the shell, is equipped with the group battery of compriseing the electric core of a N series connection in the shell, and N is for being greater than 1 natural number, its characterized in that: still be provided with the host system who is connected with the group battery in the shell, this host system contains master control MCU, can detect the temperature detection module of every electric core temperature, can gather the voltage acquisition module of every electric core voltage and whole battery voltage, can gather every electric core charging current and discharge current's electric current collection module, can gather group battery residual capacity's electricity quantity acquisition module, and display module, temperature detection module wherein, the voltage acquisition module, electric current collection module, electricity quantity acquisition module and display module all are connected with master control MCU and are compared with prior art, the utility model has the advantages of: the battery parameter that this intelligence power battery can audio -visually be wanted has made things convenient for power battery's application.
Description
Technical field
This utility model relates to a kind of intelligent power battery.
Background technology
Along with the development of battery, the application in fields such as electromobile, electric ship, electric automobiles of the jumbo electrokinetic cell is more
Come the widest.In order to allow on common electromobile, electric ship with first-class electrokinetic cell, the electrokinetic cell of band balance module it is
Individual good selection.
Existing electrokinetic cell generally comprises the battery core of N number of series connection, if it is desired to know that its performance parameter must be by additional
Battery management module just can read.
When some battery core in electrokinetic cell is abnormal, and internal resistance increases, then the electric discharge of this battery core is fast, when this battery core is discharged to
During low spot, trigger electrokinetic cell protection, cause whole electrokinetic cell can not play whole performances；In charging process, should
Battery core charging is fast, and boosting is fast, can cause other battery cores also underfill in electrokinetic cell, and this battery core fills with, and continues to fill
After electricity, this battery core can be caused to cross punching, other battery core charge less.In order to solve this problem, electrokinetic cell needs to use equilibrium
Module；A kind of balanced way most widely used in current driving force battery is conductive discharge formula charge balancing, i.e. when battery core voltage
When reaching equalizing voltage, opening balanced mode, being accessed by discharge resistance needs the battery core of equilibrium to discharge it.But
This mode, often due to resistance can produce heat, belongs to the equilibrium of energy-dissipating type, not energy-conserving and environment-protective, and euqalizing current is past
Toward less (consider resistance heating phenomenon, it is impossible to that is done by euqalizing current is the biggest), again due to electrokinetic cell capacity often
Even up to hundreds of ampere-hour number (AH) that is very big, that have, the least euqalizing current for the electrokinetic cell of visibly moved amount,
Do not play great effect and, discharge process can not be accomplished again equilibrium, therefore prior art is further improved.
Utility model content
Technical problem to be solved in the utility model is to provide one self to detect and read for above-mentioned prior art
The intelligent power battery of battery parameter.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of intelligent power battery, comprises shell,
Being provided with the set of cells being made up of N number of battery core being connected in series in shell, N is the natural number more than 1, it is characterised in that:
Being additionally provided with the main control module being connected with set of cells in described shell, this main control module comprises main control MCU, can detect every
The temperature detecting module of individual battery core temperature, can gather each battery core voltage and the voltage acquisition module of whole battery voltage,
Can gather each battery core charging current and the current acquisition module of discharge current, the electricity that can gather set of cells dump energy is adopted
Collection module, and display module, wherein temperature detecting module, voltage acquisition module, current acquisition module, electric quantity acquisition mould
Block and display module are all connected with main control MCU.
As improvement, described main control module also includes that data communication module, data communication module are connected with main control MCU,
Battery parameter data can be uploaded to external equipment by bus by data communication module, in order to external equipment electrolytic cell letter
Breath.
Improving, described main control module also includes battery protection module again, and the both positive and negative polarity of each battery core is all and battery protection module
Connecting, the first control end of battery protection module connects the grid of the first protection field effect transistor, the first protection field effect transistor
Source electrode is connected with battery electrode；Second control end of battery protection module connects the grid of the second protection field effect transistor, the
The source electrode of two protection field effect transistor and the drain electrode of the first protection field effect transistor connect, and the drain electrode of the second protection field effect transistor connects
It is connected with main control MCU after protective resistance.During battery core charging, as long as battery protection module monitors a certain economize on electricity core voltage
Reach full setting value or battery temperature is too high, just close the first protection field effect transistor by main control MCU, disconnect defeated
Enter；During electric discharge, as long as battery protection module monitors setting value that a certain economize on electricity core voltage reached to put or discharge current is big
Too high in setting value or battery temperature, just close the second protection field effect transistor by main control MCU, disconnect output.
Improving, described main control module also includes active equalization module again, and this active equalization module comprises N number of transformator
First transformator, the second transformator ..., N transformator, 2N field effect transistor the first field effect transistor,
Second field effect transistor, the 3rd field effect transistor ... 2N field effect transistor, 2N resistance, wherein in set of cells each
Battery core is configured with a transformator, two field effect transistor and two resistance, the wherein positive pole of m-th battery core in set of cells
Being connected with primary first end of M transformator, primary second end of M transformator connects 2M-1 field effect transistor
Drain electrode, the source electrode of 2M-1 field effect transistor connects the first end of 2M-1 resistance, and the second end of 2M-1 resistance connects
The negative pole of m-th battery core；Secondary second end of M transformator connects the drain electrode of 2M field effect transistor, 2M field
The source electrode of effect pipe connects the first end of 2M resistance, and the second end of 2M resistance is connected to the negative pole of the first battery core,
The source electrode of 2M-1 field effect transistor, the source electrode of 2M field effect transistor, the grid of 2M-1 field effect transistor, 2M field
The grid of effect pipe is all connected with main control MCU；Secondary first end of all transformators interconnects；Wherein
M=1,2,3 ... N.
Compared with prior art, the utility model has the advantage of: this intelligent power battery can read battery capacity, surplus
Remaining how many capacity, the battery parameter that charging and discharging currents, voltage etc. are conventional, and shown by display module, can cast aside
Battery management module, obtains the battery parameter wanted intuitively, facilitates the application of electrokinetic cell.
Accompanying drawing explanation
Fig. 1 is the block diagram of intelligent power battery in this utility model embodiment；
Fig. 2 is the connection figure in this utility model embodiment between battery protection module and set of cells and main control MCU；
Fig. 3 is the connection figure of active equalization module in this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Intelligent power battery as shown in Figure 1, comprises shell, is provided with and is made up of N number of battery core being connected in series in shell
Set of cells, N is the natural number more than 1, is additionally provided with the main control module being connected with set of cells in wherein said shell, should
Main control module comprises main control MCU, can detect the temperature detecting module of each battery core temperature, can gather each battery core voltage
And the voltage acquisition module of whole battery voltage, the current acquisition mould of each battery core charging current and discharge current can be gathered
Block, can gather the electric quantity acquisition module of set of cells dump energy, display module, data communication module, battery protection module
With active equalization module, wherein temperature detecting module, voltage acquisition module, current acquisition module, electric quantity acquisition module,
Display module, data communication module and active equalization module are all connected with main control MCU.
Temperature detecting module, voltage acquisition module, current acquisition module, electric quantity acquisition module, display module and battery are protected
Protect module and all use routine techniques.
The both positive and negative polarity of the most each battery core is all connected with battery protection module, and the first control end of battery protection module connects the
The grid of one protection field effect transistor OC, the source electrode of the first protection field effect transistor OC is connected with battery electrode；Battery is protected
The the second control end protecting module connects the grid of the second protection field effect transistor OD, the source electrode of the second protection field effect transistor OD
Drain electrode with the first protection field effect transistor OC is connected, after the drain electrode of the second protection field effect transistor OD connects protective resistance R
It is connected with main control MCU, shown in Figure 2.During battery core charging, as long as battery protection module monitors a certain economize on electricity core
Voltage reaches full setting value or battery temperature is too high, just closes the first protection field effect transistor by main control MCU, disconnected
Open input；During electric discharge, as long as battery protection module monitors setting value or the electric discharge electricity that a certain economize on electricity core voltage reached to put
Stream is too high more than setting value or battery temperature, just closes the second protection field effect transistor by main control MCU, disconnects output.
Active equalization module comprises N number of transformator the first transformator, the second transformator ..., N transformator,
2N field effect transistor the first field effect transistor, the second field effect transistor, the 3rd field effect transistor ... 2N field effect transistor,
2N resistance, wherein in set of cells, each battery core is configured with a transformator, two field effect transistor and two resistance,
Wherein in set of cells, the positive pole of m-th battery core and primary first end of M transformator T-M connect, M transformator
Primary the second end connect the drain electrode of 2M-1 field effect transistor IMP, the source electrode of 2M-1 field effect transistor connects 2M-1
First end of resistance, the second end of 2M-1 resistance connects the negative pole of m-th battery core；The secondary of M transformator
Two ends connect the drain electrode of 2M field effect transistor IMS, and the source electrode of 2M field effect transistor connects the first end of 2M resistance,
Second end of 2M resistance is connected to the negative pole of the first battery core, the source electrode of 2M-1 field effect transistor, 2M field effect
The source electrode of pipe, the grid of 2M-1 field effect transistor, the grid of 2M field effect transistor are all connected with main control MCU；Institute
Secondary the first end having transformator interconnects；Wherein M=1,2,3 ... N.
The energy of X battery core can be transferred to Y battery core by main control MCU as required, wherein, X=1,2,3 ... N,
Y=1,2,3 ... N, and X is not equal to Y；First, main control MCU makes X battery core discharge, now with X transformation
The 2X-1 field effect transistor that primary second end of device connects is connected, and electric current ramps up in X primary winding,
Until main control MCU detects that the grid of 2X-1 field effect transistor reaches peak point current；2X-1 field effect subsequently
Pipe turns off, and the energy being stored in X transformator is transferred to secondary, thus cause electric current X transformator time
Flowing in level winding, 2X field effect transistor synchronizes to connect, until main control MCU detects the grid of 2X field effect transistor
Till electric current is down to zero；Once the grid current of 2X field effect transistor is down to zero, and 2X field effect transistor disconnects；Master control
MCU opens 2Y field effect transistor, and electric current slope on Y transformer secondary output winding rises, until main control MCU inspection
Measure till the grid of 2Y field effect transistor reaches peak point current, disconnect 2Y field effect transistor, open 2Y-1 simultaneously
Field effect transistor, energy transfers to primary from Y transformer secondary output, be stored in Y primary energy and then
It is transferred to Y battery core.This active equalization module uses multiple single winding transformers to realize energy transfer, shifts at energy
During by the grid current of main control MCU monitoring field effect transistor, thus accurately control being switched on or switched off of field effect transistor,
Thus reduce in transfer process to greatest extent and energy loss occurs.
Claims (4)
1. an intelligent power battery, comprises shell, is provided with the battery being made up of N number of battery core being connected in series in shell
Group, N is the natural number more than 1, it is characterised in that: it is additionally provided with the main control module being connected with set of cells in described shell,
This main control module comprises main control MCU, can detect the temperature detecting module of each battery core temperature, can gather each battery core electricity
Pressure and the voltage acquisition module of whole battery voltage, can gather each battery core charging current and the current acquisition of discharge current
Module, can gather the electric quantity acquisition module of set of cells dump energy, and display module, wherein temperature detecting module, voltage
Acquisition module, current acquisition module, electric quantity acquisition module and display module are all connected with main control MCU.
Intelligent power battery the most according to claim 1, it is characterised in that: described main control module also includes data
Communication module, data communication module is connected with main control MCU.
Intelligent power battery the most according to claim 1, it is characterised in that: described main control module also includes battery
Protection module, the both positive and negative polarity of each battery core is all connected with battery protection module, and the first control end of battery protection module connects
The grid of the first protection field effect transistor, the source electrode of the first protection field effect transistor is connected with battery electrode；Battery protection module
Second control end connect second protection field effect transistor grid, second protection field effect transistor source electrode with first protection field imitate
Should the drain electrode of pipe connect, the drain electrode of the second protection field effect transistor connects after protective resistance and is connected with main control MCU.
4. according to the intelligent power battery described in claim 1 or 2 or 3, it is characterised in that: described main control module is also
Including active equalization module, this active equalization module comprises N number of transformator the first transformator, the second transformation
Device ..., N transformator, 2N field effect transistor the first field effect transistor, the second field effect transistor, the 3rd effect
Ying Guan ... 2N field effect transistor, 2N resistance, wherein in set of cells each battery core be configured with a transformator,
Two field effect transistor and two resistance, the wherein positive pole of m-th battery core and the primary first of M transformator in set of cells
End connects, and primary second end of M transformator connects the drain electrode of 2M-1 field effect transistor, 2M-1 field effect transistor
Source electrode connects the first end of 2M-1 resistance, and the second end of 2M-1 resistance connects the negative pole of m-th battery core；M
Secondary second end of transformator connects the drain electrode of 2M field effect transistor, and the source electrode of 2M field effect transistor connects 2M electricity
First end of resistance, the second end of 2M resistance is connected to the negative pole of the first battery core, the source electrode of 2M-1 field effect transistor,
The source electrode of 2M field effect transistor, the grid of 2M-1 field effect transistor, 2M field effect transistor grid all and main control MCU
Connect；Secondary first end of all transformators interconnects；Wherein M=1,2,3 ... N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218051.6U CN205489684U (en) | 2016-03-21 | 2016-03-21 | Intelligence power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218051.6U CN205489684U (en) | 2016-03-21 | 2016-03-21 | Intelligence power battery |
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| CN205489684U true CN205489684U (en) | 2016-08-17 |
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| CN201620218051.6U Expired - Fee Related CN205489684U (en) | 2016-03-21 | 2016-03-21 | Intelligence power battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576779A (en) * | 2016-03-21 | 2016-05-11 | 宁波市北仑海伯精密机械制造有限公司 | Intelligent power cell and equalization method thereof |
| CN106786852A (en) * | 2016-11-30 | 2017-05-31 | 深圳天珑无线科技有限公司 | A kind of charging circuit, battery bag and mobile terminal |
| CN107054110A (en) * | 2016-11-18 | 2017-08-18 | 德阳九鼎智远知识产权运营有限公司 | A kind of cell management system of electric automobile and management method |
-
2016
- 2016-03-21 CN CN201620218051.6U patent/CN205489684U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576779A (en) * | 2016-03-21 | 2016-05-11 | 宁波市北仑海伯精密机械制造有限公司 | Intelligent power cell and equalization method thereof |
| CN105576779B (en) * | 2016-03-21 | 2018-09-21 | 宁波市北仑海伯精密机械制造有限公司 | A kind of intelligent power battery and its equalization methods |
| CN107054110A (en) * | 2016-11-18 | 2017-08-18 | 德阳九鼎智远知识产权运营有限公司 | A kind of cell management system of electric automobile and management method |
| CN106786852A (en) * | 2016-11-30 | 2017-05-31 | 深圳天珑无线科技有限公司 | A kind of charging circuit, battery bag and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |