CN209029945U - A kind of intelligent adaptation power supply - Google Patents
A kind of intelligent adaptation power supply Download PDFInfo
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- CN209029945U CN209029945U CN201821801742.4U CN201821801742U CN209029945U CN 209029945 U CN209029945 U CN 209029945U CN 201821801742 U CN201821801742 U CN 201821801742U CN 209029945 U CN209029945 U CN 209029945U
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- 230000006978 adaptation Effects 0.000 title claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 210000002683 foot Anatomy 0.000 description 41
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- HLUXBGATERNGEH-UHFFFAOYSA-N n'-(5-methoxy-3,4-dihydro-2h-chromen-3-yl)-n-(4-nitro-2,1,3-benzoxadiazol-7-yl)-n'-propylbutane-1,4-diamine Chemical compound C1OC2=CC=CC(OC)=C2CC1N(CCC)CCCCNC1=CC=C([N+]([O-])=O)C2=NON=C12 HLUXBGATERNGEH-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of intelligent adaptation power supplys, belong to power supply technical field.The power supply includes at least two stacks of cells and Intelligent switch controller part；The anode and cathode of each stacks of cells pass through positive switch device and negative switch device respectively and are electrically connected with charger/electrical appliance interface both ends, and pass through switching switching device electrical connection between the anode and cathode of adjacent two stacks of cells；Intelligent switch controller part is relatively high pressure or relatively low pressure according to judge sampling end acquisition, is accordingly controlled each switching device, makes to constitute required serial or parallel connection power supply circuit between stacks of cells.So that battery pack, electric tool and charger interface completely can be with generalizations, standardization, structure simplifies, and manipulation is convenient, due to without any mechanical switching devices or switching link, various failures caused by it is used for a long time are completely avoided, ensure that safe and reliable.
Description
Technical field
The utility model relates to a kind of portable power supplies, especially a kind of intelligent adaptation power supply belongs to power supply technology neck
Domain.
Background technique
In recent years, with the manufacturing development of the power devices such as electric tool, it is desirable to the portable power supplies energy that battery pack is constituted
Enough meet the needs of different occasions provide two or more supply voltage or output power；Such as electric tool and
Speech, it is desirable in addition to traditional 18V voltage is provided, moreover it is possible to which 36V voltage is provided.For this purpose, mainly there are several types of typical cases for power supply
Innovation:
Application No. is disclosed in the Chinese utility model patent application that the 201010145919.1, applying date is 2010.04.12
Battery pack is discharged and provides electric power for it in connecting with wireless electric device, the battery pack can provide two kinds or two kinds with
On voltage or capacity give wireless electric device, battery pack is provided with the first connection terminal of electric connection corresponding with battery pack
Group is provided with change-over switch in the first connecting pin subgroup, two groups or more battery pack is connected by change-over switch or simultaneously
Connection exports two or more voltage or capacity.The electric device of different voltages can be powered, so that battery
Packet can be used for the different electric device of voltage rating.
In addition, application No. is the Chinese patent applications that the 201580011830.7, applying date is 2015-03-06 to disclose one
The component of kind of electric tool and battery pack comprising for connect with electric tool using when connected as the operating of electric tool
The battery pack of electric power is provided.Battery pack includes multiple power unit batteries, and is provided with interface unit, to allow from battery pack
Electric power selectively is supplied at least first or second voltage level to electric tool.
In addition, Patent No. US9406915B, a kind of power tool system of U.S. Patent Publication that the applying date is 2015.5.18
System, comprising: the first power tool, with low-power tool voltage rating；Second power tool, with mid power tool
Voltage rating, the voltage rating are higher than low-power tool voltage rating；Third power tool, with the specified electricity of high power tool
Pressure, the voltage rating are higher than mid power tool voltage rating；First battery pack has corresponding to the low of the first power tool
The low battery power packet voltage rating of power tool voltage rating；And switchable battery packet, it is operable in the first configuration shape
State, switchable battery packet have the first switchable battery packet voltage rating corresponding to the first power tool voltage rating, and
In the second configuration status, switchable battery packet has the second switchable battery packet volume corresponding to the second power tool voltage rating
Constant voltage enables the first power tool to operate, switchable battery wherein the first battery pack can be coupled with the first power tool
Packet can be coupled in the first configuration status with the first power tool enables the first power tool to operate, switchable battery Bao
Two configuration status can be coupled with the second power tool enables the second power tool to operate and multiple switchable battery packet energy
Enough couple with third power tool is that third power tool can operate.
Although the above-mentioned prior art is respectively from the switching of power device internal circuit, the switching of battery pack power supply terminal and the two
Adaptation handoff angle when grafting is realized and meets different power demands with same portable power supplies, but how much need to all turn by operation
The mechanical link for changing switch etc realizes the switching of series-parallel circuit, and not only structure is complicated, and manipulation is inconvenient, it is difficult to realize battery
The generalization of packet, electric tool and charger interface, and less reliable is used for a long time.
Utility model content
The purpose of this utility model is that: be directed to above-mentioned disadvantage of the existing technology, propose it is a kind of for identification charger/
Electrical appliance voltage rating simultaneously automatically switches to the intelligent adaptation power supply that relevant work voltage lays the foundation, to make to significantly improve
Convenience creates favorable conditions with reliability.
In order to reach the goals above, the basic technical scheme of the utility model intelligent adaptation power supply are as follows: including at least two
Stacks of cells and Intelligent switch controller part；
The anode and cathode of each stacks of cells pass through positive switch device and negative switch device and charger/use respectively
The both ends of electric appliance interface are electrically connected, and pass through switching switching device electricity between the anode and cathode of adjacent two stacks of cells
Connection；
Sampling end and charger/electrical appliance interface of the Intelligent switch controller part constitute voltage identification circuit；
The control output end of the Intelligent switch controller part connects each positive switch device, negative switch device respectively and cuts
Change the controlled end of switching device.
After the utility model, battery pack and charger/electrical appliance (electric tool or electronic equipment etc.) are connect on demand
Mouth grafting, intelligent device can be automatically performed following steps and realize intelligent adaptation:
Judge identification step --- judge sampling end acquisition is relatively high pressure or relatively low pressure, if judgement is relatively high
Pressure then carries out series control step, carries out Parallel Control step if judgement is relatively low pressure；
Parallel Control step --- output control signal is opened each positive switch device, negative switch device and closing and is cut
Switching device is changed, the parallel operation circuit of stacks of cells is constituted；
Series control step --- output control signal closes the negative switch device of prime stacks of cells and adjacent
The positive switch device of rear class stacks of cells simultaneously opens switching switching device, constitutes the series-fed circuit of stacks of cells.
It can be seen that the utility model is to realize that full automatic intelligent adaptation control is laid a good foundation, and make battery
Packet, electrical appliance (electric tool etc.) and charger interface can be simplified completely with generalization, standardization, structure；And realize intelligence
Can adaptation after, not only manipulate it is more convenient, and due to without any mechanical switching devices or switching link, keep away completely
Various failures caused by it is used for a long time are exempted from, ensure that safe and reliable.
The utility model is further, passes through controlled termination in the stacks of cells between the both ends of each battery unit respectively
The equalizer switch device of intelligent charge and discharge control device corresponding controling end foot constitutes balancing control circuit.
The utility model is further, the charge control end feet and control of discharge end feet difference of the intelligence charge and discharge control device
Connect the controlled end of the charging control switch device and discharge control switch device that are serially connected in battery charging and discharging circuit.
The utility model is further, and the charger/electrical appliance interface has PORT COM, the intelligence switching control
Device has the communication end feet connecting with charge and discharge electrical part interface PORT COM, the charge and discharge control of the Intelligent switch controller part
End feet processed connects the charge control end feet and control of discharge end feet of corresponding intelligent charge and discharge control device respectively.
The utility model is further, and the sampling end of the Intelligent switch controller part connects high level by divider resistance, institute
The midpoint for stating divider resistance connects the sampling end of charge and discharge electrical part interface, forms voltage identification circuit with ground resistance.
The utility model is further, also containing power supply wake-up circuit, the power supply wake-up circuit, mainly by switching device group
It controls the voltage stabilizing chip powered on to constitute, controlled termination charger/electrical appliance interface of the switching device group, the pressure stabilizing core
The power supply end feet of the output termination Intelligent switch controller part of piece, the power supply of the Intelligent switch controller part maintain end feet to meet institute
State the controlled end of switching device group.
The utility model is further, also contains key electric quantity display circuit, and the key of the key electric quantity display circuit is opened
The electricity of the termination Intelligent switch controller part closed checks end feet, and the electricity of the Intelligent switch controller part shows end feet point
Corresponding display light emitting diode is not connect, and one end of the key switch also passes through the power supply maintenance of Intelligent switch controller part
End feet connects the controlled end of power supply wake-up circuit switching device group.
The utility model is further, also contains temperature observation circuit, and the temperature observation circuit, which has, is located at battery unit
The temp-sensitive sensor of group, the signal output end of the temp-sensitive sensor connect the temperature monitoring end feet of Intelligent switch controller part.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the circuit diagram of the battery section of the preferred embodiment in the utility model.
Fig. 2 is the circuit diagram of the control circuit part of Fig. 1 embodiment.
Specific embodiment
Embodiment one
The intelligent adaptation power supply of the present embodiment is as depicted in figs. 1 and 2, and interface P1, P4 are separately connected the first and second two
The concatenated stacks of cells of 18V, the anode and cathode of this two stacks of cells pass through respectively as positive switch device (including list
A device and assembling device) Mohs pipe Q2 and Q4, Q17 and Q19 and negative switch device Mohs pipe Q11 and Q14, Q24 with
The electrical connection of the both ends general charger/electrical appliance interface P2, and lead between the anode and cathode of this two groups of battery units
Cross the Mohs pipe Q15-Q16 electrical connection as switching switch combination device.
Pass through controlled termination intelligence respectively between the both ends of each battery unit in first 18V stacks of cells of interface P1 connection
Can charge and discharge control device (lithium electricity managing chip) U1(R5432V404BA) the equalizer switch device of corresponding controling end foot 14-22 is (not
Family name's pipe) Q3, Q5, Q7, Q9, Q10 connection, balancing control circuit is constituted, predetermined electricity can be reached in each battery unit charge and discharge
Pressure is to be shorted the battery unit by the control to corresponding Mohs pipe on off operating mode, to keep each battery unit charge and discharge shape
The basis equalization of state is consistent.
The charge control end feet 3 and control of discharge end feet 6 of the intelligent charge and discharge control device U1 of first stacks of cells is distinguished
Meet charging control switch device (Mohs pipe) Q13 and discharge control switch device (Mohs being serially connected in battery charging and discharging circuit
Pipe) Q12 controlled end.The intelligent charge and discharge control device U4 of second stacks of cells has circuit structure identical with above-mentioned U1,
It can analogize.
Therefore, when the charging of any batteries reaches predetermined value (such as 4.25V), 3 feet of U1, U4 export low level,
Corresponding Q13 and Q26 is closed respectively, forms charge protection；When any economize on electricity tank discharge reaches predetermined value (such as 2.50V)
6 feet of U1, U4 export low level, close corresponding Q12 and Q25 respectively, form discharge prevention.
The Intelligent switch controller part U3 that the present embodiment uses uses the MCU of model PIC16F15354, this intelligently switches
9 foot of sampling end of control device meets high level VDD by divider resistance R38, R39, and the midpoint of divider resistance R38, R39 connect charge and discharge
The sampling end of electrical part interface P2 forms voltage identification circuit with ground resistance R21.
The control output end foot 11-15 of the Intelligent switch controller part meets the Mohs pipe Q2 as positive switch device respectively
With Mohs the pipe Q11 and Q14 of Q4, Q17 and Q19 and negative switch device, Q24 and switching switching device Q15-Q16 it is controlled
End.
When by interface P2 plug receptacle grafting corresponding with charger/electrical appliance (such as electric tool or electronic equipment)
Afterwards, Intelligent switch controller part MCU will realize according to the following steps intelligent adaptation automatically:
Judge identification step --- the charger of institute's grafting is judged according to collected ground resistance side pressure or electrical appliance is
Relatively high pressure 36V or relatively low pressure 18V carries out series control step if judgement is relatively high pressure 36V, if judgement is opposite
Low pressure 18V then carries out Parallel Control step；
Parallel Control step --- output control signal opens the positive switch device Q2 and Q4, Q17 of two groups of battery units
With Q19 and negative switch device Q11 and Q14, Q24, and close switching switching device Q15-Q16, thus constitute two groups of battery lists
First 18V power supply circuit in parallel；
Series control step --- output control signal closes negative switch the device Q11 and Q14 of prime stacks of cells
And positive switch the device Q17 and Q19 of adjacent rear class stacks of cells, and switching switching device Q15-Q16 is opened, constitute two
The 36V power supply circuit of group battery cells in series.
So that operating voltage needed for realizing automatic identification and providing electric tool or charger, very convenient reliable.
The charger of the present embodiment/electrical appliance interface P2 has PORT COM, and Intelligent switch controller part U3 also has
Charge and discharge control function, charge and discharge control end feet 2,3,4,5 connect the charging control of corresponding intelligent charge and discharge control device U1, U4 respectively
End feet 3 and control of discharge end feet 6 processed, and U3 has the communication end feet connecting with charge and discharge electrical part interface P1, P4 PORT COM
17,18, therefore communication end feet and charger or electricity consumption can be passed through according to the judgement of 3, the 6 end feet states to U1, U4 when work
Device is communicated, and is sent charger or discharger and is done command signal mutually to be protected, thus realize jointly with U1, U4 to charging or
The duplicate protection of electric discharge.
In addition, the present embodiment also contains:
1) it powers shown in the top Fig. 2 wake-up circuit, the switching device group control being mainly made of two triodes Q6, Q1
The L78M05CDT voltage stabilizing chip U2 powered on is constituted, controlled termination charger/electrical appliance interface P2 of switching device group, pressure stabilizing
The power supply end feet of the output termination Intelligent switch controller part MCU of chip, the power supply of Intelligent switch controller part MCU maintain end feet
25 connect the controlled end of switching device group.Therefore, when charger or electrical appliance are inserted into moment, Q6 conducting directly activates pressure stabilizing through Q1
Chip is powered to MCU, and MCU maintains power supply by 25 end feets later.
2) key electric quantity display circuit shown in Fig. 2 right lower quadrant, a termination intelligence switching control of circuit key switch K1
The electricity of device MCU processed checks end feet 24, and the electricity of Intelligent switch controller part MCU shows that end feet 21,22,23 connects accordingly respectively
Display light emitting diode D4, D5, D6, therefore can check the electricity of battery when needed, and one end of key switch K1
The controlled end of power supply wake-up circuit switching device group is also connect by the end feet 26 of Intelligent switch controller part MCU, therefore key is opened
It closes while carrying out display electricity operation, power supply circuit can also be maintained by 26 foot of end feet of MCU, until the suspend mode of setting
Power-off, plays energy-conserving action.
3) in the middle part of the lower-left Fig. 2 shown in temperature observation circuit, containing the temp-sensitive sensor TH1 for being located at stacks of cells,
Signal output end connects the temperature monitoring end feet 10 of Intelligent switch controller part MCU, therefore stacks of cells can be charged, electric discharge
Temperature change charger/electrical appliance is sent to by communication port, and then controlled accordingly.
It being summed up, the present embodiment is organically combined since switching control and charge and discharge are controlled two-stage intelligent device,
It has a characteristic that
1. patching into and according to the judgement of voltage requirements, on demand by switching for battery supply can be detected automatically
The control of switching device assembles stacks of cells, provides corresponding supply voltage.
2. can realize the lithiums electricity autonomous management functions such as current balance by the detection to cell stack current.
3. having the function of level detection, charging process is by judging that COU1, COU2, discharge process judge DOU1, DOU2；
In charging process, 2 feet and 4 feet of U3 monitor the 3 foot level changes of U1 and U4 respectively, when having monitored level change then through communicating
Port sends data to charger and realizes shutdown control；In discharge process, 3 feet and 5 feet of U3 monitor the 6 feet electricity of U1 and U4 respectively
Flat variation then sends data to electrical appliance realization shutdown control through PORT COM when having monitored level change；Also, U3 passes through
All monitoring informations (voltage, electric current, battery types, temperature etc.) in battery pack can be transmitted charger or use by PORT COM
Electric appliance, to carry out corresponding real-time control.
4. can be changed by the charging of detection temperature sensor TH1 real-time detecting system, discharge temp, judgement is simultaneously
Prompt is manipulated accordingly.
5. the information moment such as battery unit set type, voltage, temperature and charger/electrical appliance can be communicated, into
Simultaneously division of labor accordingly controls row data exchange, to constitute maltilevel security security system.
6. can realize the wake-up activation of power supply by a variety of flexible modes, there is significant energy-saving effect.
7. having electric quantity display function, by key controlled, stacks of cells is shown by LED according to the judgement of voltage
Electricity.
In addition to the implementation, the utility model can also have other embodiments.For example, switching device except Mohs pipe it
Outside, other automatically controlled devices such as relay be can also be；For another example, due to MCU have communication function, the string of stacks of cells,
Parallel Control can also be communicated by peripheral hardware (charger/electrical appliance) and complete switching control；For another example, stacks of cells is also possible to
Two groups or more.All technical solutions formed using equivalent substitution or equivalent transformation, all fall within the protection model of the requires of the utility model
It encloses.
Claims (8)
1. a kind of intelligent adaptation power supply, including at least two stacks of cells, it is characterised in that: further include Intelligent switch controller
Part；
The anode and cathode of each stacks of cells pass through positive switch device and negative switch device and charger/electrical appliance respectively
The both ends of interface are electrically connected, and are electrically connected between the anode and cathode of adjacent two stacks of cells by switching switching device
It connects；
Sampling end and charger/electrical appliance interface of the Intelligent switch controller part constitute voltage identification circuit；
The control output end of the Intelligent switch controller part connects each positive switch device, negative switch device and switching respectively and opens
Close the controlled end of device.
2. intelligent adaptation power supply according to claim 1, it is characterised in that: each battery unit in the stacks of cells
Both ends between pass through the controlled equalizer switch device for terminating intelligent charge and discharge control device corresponding controling end foot respectively, constitute balanced
Control circuit.
3. intelligent adaptation power supply according to claim 2, it is characterised in that: the charging of the intelligence charge and discharge control device
Control end feet and control of discharge end feet connect the charging control switch device being serially connected in battery charging and discharging circuit and electric discharge control respectively
The controlled end of switching device processed.
4. intelligent adaptation power supply according to claim 3, it is characterised in that: the charger/electrical appliance interface has
PORT COM, the Intelligent switch controller part have the communication end feet connecting with charge and discharge electrical part interface PORT COM, institute
The charge and discharge control end feet for stating Intelligent switch controller part connects the charge control end feet of corresponding intelligent charge and discharge control device respectively and puts
Electric control end feet.
5. intelligent adaptation power supply according to claim 4, it is characterised in that: the sampling of the Intelligent switch controller part
End connects high level by divider resistance, and the midpoint of the divider resistance connects the sampling end of charge and discharge electrical part interface, with ground connection electricity
Resistance forms voltage identification circuit.
6. intelligent adaptation power supply according to claim 5, it is characterised in that: also containing power supply wake-up circuit, the power supply
Wake-up circuit is mainly made of the voltage stabilizing chip that switching device group control powers on, the controlled termination charging of the switching device group
Device/electrical appliance interface, the power supply end feet of the output termination Intelligent switch controller part of the voltage stabilizing chip, the intelligence switching
The power supply maintenance end feet of control device connects the controlled end of the switching device group.
7. intelligent adaptation power supply according to claim 6, it is characterised in that: also contain key electric quantity display circuit, it is described
The electricity of one termination Intelligent switch controller part of the key switch of key electric quantity display circuit checks end feet, the intelligence switching
The electricity of control device shows that end feet connects corresponding display light emitting diode respectively, and one end of the key switch also passes through intelligence
The power supply maintenance end feet of energy switching control device connects the controlled end of power supply wake-up circuit switching device group.
8. intelligent adaptation power supply according to claim 7, it is characterised in that: also contain temperature observation circuit, the temperature
Observation circuit has the temp-sensitive sensor positioned at stacks of cells, and the signal output end of the temp-sensitive sensor connects intelligence switching control
The temperature monitoring end feet of device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801742.4U CN209029945U (en) | 2018-11-02 | 2018-11-02 | A kind of intelligent adaptation power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801742.4U CN209029945U (en) | 2018-11-02 | 2018-11-02 | A kind of intelligent adaptation power supply |
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| Publication Number | Publication Date |
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| CN209029945U true CN209029945U (en) | 2019-06-25 |
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ID=66908793
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821801742.4U Withdrawn - After Issue CN209029945U (en) | 2018-11-02 | 2018-11-02 | A kind of intelligent adaptation power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245237A (en) * | 2018-11-02 | 2019-01-18 | 南京久驰机电实业有限公司 | A kind of intelligent adaptation power supply and its adaptation method |
-
2018
- 2018-11-02 CN CN201821801742.4U patent/CN209029945U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245237A (en) * | 2018-11-02 | 2019-01-18 | 南京久驰机电实业有限公司 | A kind of intelligent adaptation power supply and its adaptation method |
| CN109245237B (en) * | 2018-11-02 | 2024-02-27 | 南京久驰机电实业有限公司 | Intelligent adaptation power supply and adaptation method thereof |
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