CN206313500U - A kind of adjustable charge-discharge system of battery unit total voltage - Google Patents
A kind of adjustable charge-discharge system of battery unit total voltage Download PDFInfo
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- CN206313500U CN206313500U CN201621490267.4U CN201621490267U CN206313500U CN 206313500 U CN206313500 U CN 206313500U CN 201621490267 U CN201621490267 U CN 201621490267U CN 206313500 U CN206313500 U CN 206313500U
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- battery
- voltage
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- unit
- switch
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
A kind of adjustable charge-discharge system of battery unit total voltage, including battery unit, charging/discharging apparatus and control unit；The battery unit is connected with the charging/discharging apparatus and described control unit, described control unit carries out two-way communication with the charging/discharging apparatus by wireless network, the battery unit carries out discharge and recharge by the charging/discharging apparatus, described control unit regulates and controls the total voltage of the battery unit by sending control instruction, and the battery unit includes battery modules and the on-off circuit being connected with battery modules.This new adjustable charge-discharge system of battery unit total voltage, battery cell voltage is adjustable, and charge efficiency is high, and the charging interval is few, and loss is low, and component is few.
Description
【Technical field】
The utility model is related to electric vehicle engineering field, more particularly to a kind of adjustable discharge and recharge of battery unit total voltage
System.
【Background technology】
In recent years, new-energy automobile industry had welcome explosive growth.Battery is the core of electric automobile, is also automobile work
Journey embodies with the comprehensive of electric power project engineering.Existing battery modules use the quick rush-harvesting and rush-planting charge mode for improving charging current,
, in the case where charging current is limited, the raising of charge efficiency is limited, and the energy in the case where charging voltage is limited for this mode
Conversion is low, and loss is big.Battery modules after charging do not have plurality of voltages to export when discharging, and existing battery modules plurality of voltages is defeated
It is linear voltage-stabilizing circuit or boost/buck circuits to go out, and component is more, high cost, and a kind of output voltage correspondence one is linear steady
Volt circuit or boost/buck circuits, voltage transformation are single, and circuit loss is big.
【Utility model content】
The purpose of this utility model is to provide that a kind of battery cell voltage is adjustable, and charge efficiency is high, and the charging interval is few, loss
It is low, the few adjustable charge-discharge system of battery unit total voltage of component.
To achieve these goals, the utility model provides a kind of adjustable charge-discharge system of battery unit total voltage, bag
Include battery unit, charging/discharging apparatus and control unit；The battery unit and the charging/discharging apparatus and described control unit phase
Connection, described control unit carries out two-way communication with the charging/discharging apparatus by wireless network, and the battery unit passes through institute
Stating charging/discharging apparatus carries out discharge and recharge, and described control unit regulates and controls the total voltage of the battery unit by sending control instruction,
The battery unit includes battery modules and the on-off circuit being connected with battery modules；The battery modules include multiple batteries
Group, the on-off circuit includes that multiple first switches, multiple second switches and multiple the 3rd are switched, the multiple first switch,
The multiple second switch and the multiple 3rd switch one-to-one corresponding, the two ends of each first switch and two adjacent batteries
The positive pole of group is connected, and the two ends of each second switch are connected with two adjacent negative poles of battery pack, and the one of each the 3rd switch
Hold and be connected with the negative pole of one of them of two adjacent battery packs, the other end and two adjacent battery packs another just
Extremely it is connected；It is described when the multiple first switch and the multiple second switch are closed and the multiple 3rd switches off
Multiple battery packs of battery modules are in parallel；When the multiple first switch and the multiple second switch disconnect and the multiple the
During three switch closures, multiple battery packs series connection of the battery modules.
In a preferred embodiment, when the battery unit is in charged state, the charging/discharging apparatus are to fill
Electric equipment, the battery unit is connected with the charging equipment；Described control unit is by controlling the on-off circuit to control
The battery unit exports predeterminated voltage, and detect the battery unit output total voltage value whether with predeterminated voltage phase
Deng；If the total voltage value of the battery unit output is not equal to preset voltage value, the on-off circuit exception, the control list
Unit sends control instruction to the charging equipment, and control charging equipment stops charging；If the total voltage of the battery unit output
Equal to predeterminated voltage, then the on-off circuit is normal, and described control unit controls the charging equipment output predeterminated voltage to think
The battery unit charges；Further, described control unit also detect charging equipment output voltage whether with it is default
Voltage is equal, if the voltage and predeterminated voltage of charging equipment output, described control unit sends control instruction control
The voltage of the on-off circuit closure or disconnection to cause the total voltage value of the battery unit to be exported with the charging equipment
Value matches.
In a preferred embodiment, when the battery unit is in discharge condition, the charging/discharging apparatus are use
Electrical equipment, the battery unit is connected with the electrical appliance；Described control unit detects the total voltage value of the battery unit and sentences
Whether the on-off circuit that breaks is abnormal, if total voltage value is not equal to preset value, the on-off circuit exception, the control list
Unit sends control instruction to the battery unit, controls battery unit to stop as the electrical appliance is powered；When the on-off circuit
Normally, the electrical appliance sends to described control unit required magnitude of voltage, and described control unit is according to the electrical appliance demand
Magnitude of voltage control the disconnection of the on-off circuit and be closed so that the battery unit exports the electrical appliance required for
Magnitude of voltage.
In a preferred embodiment, described control unit is single-chip microcomputer.
In a preferred embodiment, the multiple first switch, the multiple second switch and the multiple 3rd
Switch is relay or optocoupler.
In a preferred embodiment, the multiple battery pack is the series connection of cell or multiple cells.
In a preferred embodiment, the adjustable charge-discharge system of battery unit total voltage also includes that selection is exported
Button；The selection output button can manually select magnitude of voltage needed for output to manually select button；The selection output is pressed
Button provides the option of the magnitude of voltage that the battery unit can be exported, and believes by by the corresponding option of magnitude of voltage needed for the electrical appliance
Described control unit number is sent to, the on-off circuit control that described control unit sends control instruction to the battery unit is described
On-off circuit is closed or disconnected, so as to adjust the output voltage values of the battery unit.
Compared to prior art, this new adjustable charge-discharge system of battery unit total voltage, described control unit is led to
Cross detect the battery unit total voltage value judge the on-off circuit whether exception and send control instruction control charging set
It is standby, reach the purpose of safe charging；Low-voltage and high-current charge mode can be changed into high voltage low current charge pattern, improved
Charge efficiency, reduces the charging interval, reduce loss；Can be according to the output of the required magnitude of voltage regulating cell unit of electrical appliance electricity
Pressure value, reaches one group of multiplex effect of battery unit, can in the case where battery unit electricity is low output HIGH voltage, without boosting
Or reduction voltage circuit, component is few, small power consumption.
【Brief description of the drawings】
The principle frame of the adjustable charge-discharge system of battery unit total voltage that Fig. 1 is provided for the utility model implementation method
Figure.
Fig. 2 is the circuit theory diagrams of battery unit in Fig. 1.
【Specific embodiment】
In order that the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with
Accompanying drawing in the utility model implementation method, is clearly and completely retouched to the technical scheme in the utility model implementation method
State, it is clear that described implementation method is only a part of implementation method of the utility model, rather than whole implementation methods.
Based on the implementation method in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other implementation method, belong to the utility model protection scope.
As shown in figure 1, the utility model provides a kind of adjustable charge-discharge system 100 of battery unit total voltage, including electricity
Pool unit 10, charging/discharging apparatus 20 and control unit 30.
The battery unit 10 is connected with the charging/discharging apparatus 20 and described control unit 30, described control unit 30
Two-way communication is carried out by wireless network with the charging/discharging apparatus 20.The battery unit 10 passes through the charging/discharging apparatus 20
Discharge and recharge is carried out, described control unit 30 regulates and controls the total voltage of the battery unit 10 by sending control instruction.
As shown in Fig. 2 the battery unit 10 includes battery modules 11 and the on-off circuit 12 being connected with battery modules 11.
The battery modules 11 are by multiple cells are by series connection and compose in parallel and including the cell of at least two parallel connections.Institute
On-off circuit 12 is stated for the building form by controlling the connection in series-parallel relation of the battery modules 11 to control battery modules 11,
Change the total voltage and capacity of battery unit 10 with this.
Specifically, the battery modules 11 include multiple battery packs 111, the on-off circuit 12 includes multiple first switches
121st, multiple second switches 122 and multiple 3rd switches 123.The multiple first switch 121, the multiple second switch 122
And the multiple 3rd switch 123 is corresponded.Wherein, the two ends of each first switch 121 and two adjacent battery packs 111
Positive pole be connected, the two ends of each second switch 122 and two adjacent negative poles of battery pack 111 are connected, each the 3rd switch
The negative pole of one of them of 123 one end and two adjacent battery packs 111 is connected, the other end and two adjacent battery packs
111 another positive pole is connected.When the multiple first switch 121 and the multiple second switch 122 are closed and described many
When individual 3rd switch 123 disconnects, multiple battery packs 111 of the battery modules 11 are in parallel；When the multiple first switch 121 and
When the multiple second switch 122 disconnects and the multiple 3rd switch 123 is closed, multiple battery packs of the battery modules 11
111 series connection.Described control unit 30 by send control instruction to the on-off circuit 12 the multiple first switch 121,
The multiple second switch 122 and the multiple first switch 121 of control of the multiple 3rd switch 123, the multiple second
The disconnection of switch 122 and the multiple 3rd switch 123 and closure, so as to regulate and control the total voltage of the battery unit 10.
When the battery unit 10 is in charged state, the charging/discharging apparatus 20 are charging equipment, the battery list
Unit 10 is connected with the charging equipment.Described control unit 30 is by controlling the on-off circuit 12 to control the battery unit
10 output predeterminated voltages, and detect whether the total voltage value of the output of the battery unit 10 is equal with predeterminated voltage；If described
The total voltage value of the output of battery unit 10 is not equal to preset voltage value, then the on-off circuit 12 is abnormal, described control unit 30
Control instruction to the charging equipment is sent, control charging equipment stops charging.If the total voltage of the output of the battery unit 10
Equal to predeterminated voltage, then the on-off circuit 12 is normal, and described control unit 30 controls the charging equipment output predeterminated voltage
Think that the battery unit 10 charges.Further, described control unit 30 is additionally operable to detect the electricity of the charging equipment output
Whether pressure is equal with predeterminated voltage, if the voltage and predeterminated voltage of charging equipment output, described control unit 30 is sent out
Send control instruction control the on-off circuit 12 close or disconnects with so that the battery unit 10 total voltage value with it is described
The magnitude of voltage of charging equipment output matches, and then can prevent from being more than the battery unit because of the voltage of charging equipment output
10 total voltage and cause for the battery modules 11 to fill bad situation and occur.
When the battery unit 10 is in discharge condition, the charging/discharging apparatus 20 are electrical appliance, the battery unit
10 are connected with the electrical appliance.Described control unit 30 detects the total voltage value of the battery unit 10 and judges the switch electricity
Whether road 12 is abnormal, if total voltage value is not equal to preset value, the on-off circuit 12 is abnormal, and described control unit 30 sends
Control instruction controls battery unit 10 to stop as the electrical appliance is powered to the battery unit 10.When the on-off circuit 12
Normally, the electrical appliance sends to described control unit 30 required magnitude of voltage, and described control unit 30 is according to the electrical appliance
The magnitude of voltage of demand controls the disconnection of the on-off circuit 12 and is closed so that the battery unit 10 exports the electricity consumption
Magnitude of voltage required for device.
Described control unit 40 is single-chip microcomputer.
The multiple first switch 121, the multiple second switch 122 and the multiple 3rd switch 123 are relay
Or optocoupler.
The multiple battery pack 111 is the series connection of cell or multiple cells.
The adjustable charge-discharge system 100 of battery unit total voltage also includes selection output button 40.
Referring again to Fig. 1, the selection output button 40 can manually select voltage needed for output to manually select button
Value, can manually select magnitude of voltage needed for output when preventing the electrical appliance from interrupting and communicating with described control unit 30.The choosing
Select output button 40 and the option of the magnitude of voltage that the battery unit 10 can be exported is provided, by by magnitude of voltage needed for the electrical appliance
Corresponding OPTION signal is sent to described control unit 30, and described control unit 30 sends control instruction to the battery unit 10
On-off circuit 12 control the on-off circuit 12 to close or disconnect, so as to adjust the output voltage of the battery unit 10
Value.
Compared to prior art, this new adjustable charge-discharge system 100 of battery unit total voltage, described control unit
30 judge whether the on-off circuit 12 exception and sends control instruction control by detecting the total voltage value of the battery unit 10
Charging equipment processed, reaches the purpose of safe charging；Low-voltage and high-current charge mode can be changed into high voltage low current charge
Pattern, improves charge efficiency, reduces the charging interval, reduce loss；Can be according to the required magnitude of voltage regulating cell list of electrical appliance
The output voltage values of unit, reach one group of multiplex effect of battery unit, and electricity high can be exported in the case where battery unit electricity is low
Pressure, without boosting or reduction voltage circuit, component is few, small power consumption.
The utility model is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
For be easily achieved additional advantage and modification, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model be not limited to specific details, representational equipment and shown here as with retouch
The examples shown stated.
Claims (7)
1. a kind of adjustable charge-discharge system of battery unit total voltage, it is characterised in that：Including battery unit, charging/discharging apparatus and
Control unit；The battery unit is connected with the charging/discharging apparatus and described control unit, described control unit with it is described
Charging/discharging apparatus carry out two-way communication by wireless network, and the battery unit carries out discharge and recharge by the charging/discharging apparatus,
Described control unit regulates and controls the total voltage of the battery unit by sending control instruction, and the battery unit includes battery modules
And the on-off circuit being connected with battery modules；The battery modules include multiple battery packs, and the on-off circuit includes multiple the
One switch, multiple second switch and the multiple 3rd switch, the multiple first switch, the multiple second switch and the multiple
3rd switch is corresponded, and the two ends of each first switch are connected with two adjacent positive poles of battery pack, each second switch
Two ends and two adjacent negative poles of battery pack be connected, one end of each the 3rd switch and two adjacent battery packs are wherein
The negative pole of one is connected, and the other end is connected with another positive pole of two adjacent battery packs；When the multiple first switch
And the multiple second switch closure and the multiple 3rd, when switching off, multiple battery packs of the battery modules are in parallel；
When the multiple first switch and the multiple second switch disconnect and the multiple 3rd switch is closed, the battery modules
Multiple battery packs series connection.
2. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 1, it is characterised in that：When the battery list
When unit is in charged state, the charging/discharging apparatus are charging equipment, and the battery unit is connected with the charging equipment；It is described
Control unit controls the battery unit to export predeterminated voltage by controlling the on-off circuit, and detects the battery list
Whether the total voltage value of unit's output is equal with predeterminated voltage；If the total voltage value of the battery unit output is not equal to predeterminated voltage
It is worth, then the on-off circuit exception, described control unit sends control instruction to the charging equipment, control charging equipment stops
Charge；If the total voltage of the battery unit output is equal to predeterminated voltage, the on-off circuit is normal, described control unit control
Make the charging equipment output predeterminated voltage and think that the battery unit charges；Further, described control unit also detects institute
Whether the voltage for stating charging equipment output is equal with predeterminated voltage, if the voltage of charging equipment output is with predeterminated voltage not
Send control instruction and control the on-off circuit closure or disconnect causing the total of the battery unit Deng, described control unit
The magnitude of voltage that magnitude of voltage is exported with the charging equipment matches.
3. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 1, it is characterised in that：When the battery list
When unit is in discharge condition, the charging/discharging apparatus are electrical appliance, and the battery unit is connected with the electrical appliance；The control
Unit detects that the total voltage value of the battery unit simultaneously judges whether the on-off circuit abnormal, if total voltage value be not equal to it is pre-
If value, then the on-off circuit exception, described control unit sends control instruction to the battery unit, and control battery unit stops
Only for the electrical appliance is powered；When the on-off circuit is normal, required magnitude of voltage is sent single to the control by the electrical appliance
Unit, described control unit controls the disconnection of the on-off circuit and is closed so that according to the magnitude of voltage of the electrical appliance demand
Magnitude of voltage required for the battery unit output electrical appliance.
4. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 1, it is characterised in that：Described control unit
It is single-chip microcomputer.
5. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 1, it is characterised in that：The multiple first
Switch, the multiple second switch and the multiple 3rd switch are relay or optocoupler.
6. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 1, it is characterised in that：The multiple battery
Group is the series connection of cell or multiple cells.
7. the adjustable charge-discharge system of battery unit total voltage as claimed in claim 3, it is characterised in that：The battery unit
The adjustable charge-discharge system of total voltage also includes selection output button；The selection output button, can to manually select button
Manually select magnitude of voltage needed for output；The selection output button provides the option of the magnitude of voltage that the battery unit can be exported,
Described control unit is sent to by by the corresponding OPTION signal of magnitude of voltage needed for the electrical appliance, described control unit sends control
System instruction to the on-off circuit of the battery unit controls the on-off circuit closure or disconnects, so as to adjust the battery list
The output voltage values of unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490267.4U CN206313500U (en) | 2016-12-29 | 2016-12-29 | A kind of adjustable charge-discharge system of battery unit total voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490267.4U CN206313500U (en) | 2016-12-29 | 2016-12-29 | A kind of adjustable charge-discharge system of battery unit total voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206313500U true CN206313500U (en) | 2017-07-07 |
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ID=59247800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490267.4U Active CN206313500U (en) | 2016-12-29 | 2016-12-29 | A kind of adjustable charge-discharge system of battery unit total voltage |
Country Status (1)
| Country | Link |
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| CN (1) | CN206313500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786926A (en) * | 2016-12-29 | 2017-05-31 | 深圳市沃特玛电池有限公司 | A kind of adjustable charge-discharge system of battery unit total voltage |
| CN107749647A (en) * | 2017-09-28 | 2018-03-02 | 维沃移动通信有限公司 | A kind of battery pack structure, mobile terminal and charge control method |
-
2016
- 2016-12-29 CN CN201621490267.4U patent/CN206313500U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786926A (en) * | 2016-12-29 | 2017-05-31 | 深圳市沃特玛电池有限公司 | A kind of adjustable charge-discharge system of battery unit total voltage |
| CN107749647A (en) * | 2017-09-28 | 2018-03-02 | 维沃移动通信有限公司 | A kind of battery pack structure, mobile terminal and charge control method |
| CN107749647B (en) * | 2017-09-28 | 2019-10-15 | 维沃移动通信有限公司 | A kind of battery pack structure, mobile terminal and charge control method |
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