CN108377023A - Startup power supply - Google Patents
Startup power supply Download PDFInfo
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- CN108377023A CN108377023A CN201810458003.8A CN201810458003A CN108377023A CN 108377023 A CN108377023 A CN 108377023A CN 201810458003 A CN201810458003 A CN 201810458003A CN 108377023 A CN108377023 A CN 108377023A
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- Prior art keywords
- voltage
- power supply
- battery
- module
- switch
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- 239000007858 starting material Substances 0.000 claims abstract description 18
- 238000007600 charging Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 2
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 239000005955 Ferric phosphate Substances 0.000 claims 1
- 229940032958 ferric phosphate Drugs 0.000 claims 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- H02J7/0091—
Abstract
The application provides a kind of startup power supply, including Power Supply Assembly, switch module and control unit.Power Supply Assembly includes concatenated N groups battery module.Switch module includes M switch module, and each switch module is correspondingly connected with at least one set of battery module in N group battery modules, and the switch module accesses to corresponding battery module in voltage follower circuit.Control unit is electrically connected with M switch module, the required default startup voltage of starter of vehicle for being applied according to startup power supply controls the on off state of M switch module, under the switch control of M switch module, battery module accesses in voltage follower circuit some or all of in N group battery modules, voltage follower circuit is set to export the default startup voltage, to start the vehicle.The startup power supply of the application can adapt to export a variety of different startup voltages in different startup voltage requirements, to enable the startup power supply to be widely applied in different vehicles.
Description
Technical field
This application involves vehicle power supply technical field, more particularly to a kind of startup power supply.
Background technology
Currently, the startup power supply of motor vehicles (such as automobile) on the market is typically all the motor vehicle for 12V or 24V
Startup and design, engine application product (such as the tank armor vehicle of certain model) for not being directed to higher voltage opening
Dynamic power supply.In addition, existing startup power supply is generally only capable of output particular voltage level, to start starting for specific standard
Machine, and the engine of different size cannot be started, the scope of application is not extensive enough.
Invention content
The application provides a kind of startup power supply, can adapt to export a variety of different open in different startup voltage requirements
Dynamic voltage, to enable the startup power supply to be widely applied in different vehicles, and it is user-friendly.
A kind of startup power supply, including：
Power Supply Assembly, including concatenated N groups battery module；
Switch module, including M switch module, each switch module and at least one in the N groups battery module
Group battery module is correspondingly connected with, and the switch module is for accessing to corresponding battery module in one voltage follower circuit；With
And
Control unit is electrically connected with M switch module of the switch module, for according to the startup power supply institute
The required default startup voltage of starter of the vehicle of application controls the on off state of the M switch module, in institute
Under the switch control for stating M switch module, battery module accesses to the voltage some or all of in the N groups battery module
In output circuit, the voltage follower circuit is set to export the default startup voltage, to start the vehicle.
The startup power supply of the application controls each group battery module and voltage of Power Supply Assembly by using multiple switch module
The connection status of output circuit, to make the startup power supply can adapt to export in different voltage requirements it is a variety of different
Start voltage, to start the vehicle that the startup power supply is applied, to enable the startup power supply to be widely applied to difference
Vehicle in, it is user-friendly.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the application embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of construction module schematic diagram of startup power supply provided by the present application, and the startup power supply includes power supply group
Part and switch module.
Fig. 2 is the attachment structure schematic diagram of Power Supply Assembly and switch module that the application first embodiment provides.
Fig. 3 is the attachment structure schematic diagram of Power Supply Assembly and switch module that the application second embodiment provides.
Fig. 4 is the attachment structure schematic diagram of Power Supply Assembly and switch module that the application third embodiment provides.
Fig. 5 is another construction module schematic diagram of startup power supply shown in FIG. 1.
Fig. 6 is another construction module schematic diagram of startup power supply shown in FIG. 1.
Main element symbol description
Startup power supply 100
Voltage follower circuit 10
First output end 11
Second output terminal 12
Power Supply Assembly 20
Battery module 21, B1~BN
First electrode end 211
Second electrode end 212
Series connection sub-circuit 23
Switch module 30,30 '
Switch module K1~KM
First switch unit K11~KM1
Second switch unit K21~KM2
Control unit 40
Circuit board 50
Battery voltage detection circuit 51
Battery charger 52
Battery temperature detection circuit 53
Battery equalizing circuit 54
Integrated circuit board 55
Output interface 551
Start voltage detecting circuit 56
Starter 201
Storage battery 202
Following specific implementation mode will further illustrate the application in conjunction with above-mentioned attached drawing.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features, and advantages of the application
Mode is applied the application is described in detail.It should be noted that in the absence of conflict, presently filed embodiment and reality
The feature applied in mode can be combined with each other.
Many details are elaborated in the following description in order to fully understand the application, described embodiment
Only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment in the application, this field
The every other embodiment that those of ordinary skill is obtained without making creative work belongs to the application guarantor
The range of shield.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
Fig. 1 is a kind of construction module schematic diagram of startup power supply 100 provided by the present application.The startup power supply 100 can
It is adapted to different startup voltage requirements and exports a variety of different startup voltages, applied with starting the startup power supply 100
Vehicle, to enable the startup power supply 100 to be widely applied in different vehicles, and user-friendly.In this reality
It applies in mode, the startup power supply 100 can be applied in motor vehicles, and the motor vehicles can be electric vehicle, tank armor
Vehicle etc..
As shown in Figure 1, the startup power supply 100 includes at least Power Supply Assembly 20, switch module 30 and control unit 40.
In the present embodiment, the Power Supply Assembly 20 includes concatenated N groups battery module 21, and every group of battery module 21 may include one
Or multiple energy-storage units.Wherein, the battery module 21 is when including multiple energy-storage units, multiple storages of the battery module 21
It can unit serial or parallel connection.
The energy module of mainstream at present can be used in the energy-storage units, for example, lead-acid battery, Ni-MH battery, LiFePO4
Battery, cobalt acid lithium battery, lithium titanate battery, super capacitor power battery, lithium-ion capacitor or other can store or provide
The energy module of electric energy supply.
The switch module 30 includes M switch module, in each switch module and the N groups battery module 21
At least one set of battery module is correspondingly connected with, and the switch module is used to corresponding battery module accessing to a voltage follower circuit
In 10, that is, the on off state by controlling the switch module can control corresponding battery module and the voltage follower circuit
10 status of electrically connecting.
Described control unit 40 and M switch module of the switch module 30 are electrically connected, described control unit 40
The required default startup voltage of starter of vehicle for being applied according to the startup power supply 100 controls the M
The on off state of a switch module, under the switch control of the M switch module, part in the N groups battery module or
All batteries module 21 accesses in the voltage follower circuit 10, and the voltage follower circuit 10 is made to export the default startup
Voltage, to start the vehicle.In the present embodiment, the on off state includes conducting state and off-state.
In the present embodiment, the startup power supply 100 further includes battery voltage detection circuit 51, the cell voltage inspection
Slowdown monitoring circuit 51 is electrically connected with each group battery module 21, the residual voltage for detection each group battery module 21 in real time.In this reality
It applies in mode, described control unit 40 is also electrically connected with the battery voltage detection circuit 51, and described control unit 40 is specifically used
In controlling the M switching molding according to the residual voltage of each group battery module 21 detected and the default startup voltage
The on off state of block makes the voltage follower circuit 10 export the default startup voltage.
Fig. 2 is the attachment structure schematic diagram of Power Supply Assembly 20 and switch module 30 that the application first embodiment provides.
In the first embodiment, the voltage follower circuit 10 includes the first output end 11 and second output terminal 12.The confession
Electrical component 20 includes N group battery modules B1~BN, and the N groups battery module B1~BN connects in order, each battery mould
Block B1~BN includes first electrode end 211 and second electrode end 212, the 1st group of battery module B1 in the Power Supply Assembly 20
First electrode end 211 be electrically connected with first output end 11.Wherein, as shown in Fig. 2, first output end 11 can be negative
Pole output end, the second output terminal 12 can be cathode output end, and correspondingly, the first electrode end 211 can be negative pole end, institute
It can be positive terminal to state second electrode end 212.It is understood that first output end 11 or cathode output end, described
Second output terminal 12 can be cathode output end, and correspondingly, the first electrode end 211 can be positive terminal, the second electrode end
212 can be negative pole end.
The switch module 30 includes M switch module K1~KM, in the first embodiment, the switch module
Quantity M it is equal with the quantity N of the battery module 21, i.e. M=N.The M switch module K1~KM in order with the N
Group battery module B1~BN connects one to one, and each switch module K1~KM is electrically connected to corresponding battery module 21
Between second electrode end 212 and the second output terminal 12.
In the first embodiment, the 1st switch module K1 in the switch module 30 is in the conduction state
When, the 1st group of battery module B1 in the Power Supply Assembly 20 is accessed in the voltage follower circuit 10.The switch module 30
In m-th of switch module Km when in the conduction state, the 1st to m group battery module B1~Bm in the Power Supply Assembly 20
It accesses in the voltage follower circuit 10 simultaneously, wherein m, M, N are integer, and 1<m<=M=N.
In the first embodiment, described control unit 40 can start voltage requirements and each group battery according to practical
One of switch module is connected in the residual voltage of module 21, so that the voltage follower circuit 10 exports corresponding startup electricity
Pressure, wherein the voltage that the voltage follower circuit 10 exports is equal to the battery module accessed in the voltage follower circuit 10
The sum of residual voltage.
In the first embodiment, the startup power supply 100 N group battery modules series connection, and N groups battery module it
Between directly carry out physical connection, by using M switch module between N group battery modules different series positions choose electricity
Pressure is, it can be achieved that a variety of different startup voltage outputs.
In the first embodiment, the Power Supply Assembly 20 the switch module 30 switch control under described
The voltage value exported in voltage follower circuit 10 at least may include 48V, 24V and 12V, so that the startup power supply 100 can answer
It uses in 48V, 24V or 12V motor vehicle at present on the market.
For example, it is assumed that the average voltage of each group battery module B1~BN is 12V, when switch module K1 is connected, only
The battery module B1 is accessed in the voltage follower circuit 10, the voltage of 10 exportable 12V of the voltage follower circuit.
When switch module K2 is connected, the battery module B1~B2 is accessed in the voltage follower circuit 10, and the voltage is defeated
Go out the voltage of 10 exportable 24V of circuit.When switch module K3 is connected, the battery module B1~B3 is accessed to the voltage
In output circuit 10, the voltage of 10 exportable 48V of the voltage follower circuit.
In another example when the startup power supply 100 is previously used one or many after fully charging, lead to the battery mould
The residual voltage of at least one of block B1~BN battery modules declines.Assuming that the residual voltage of battery module B1 drops to 2V,
And the residual voltage of battery module B2 drops to 10V, the residual voltage of other battery modules is constant, is 12V, when conducting switchs
When module K5, the battery module B1~B5 is accessed in the voltage follower circuit 10, and the voltage follower circuit 10 can
Export the voltage of 48V.
It is understood that the Power Supply Assembly 20 the switch module 30 switch control under in the voltage output
Also exportable other voltage values, can specifically be set and controlled according to actual use demand, so as to described in circuit 10
Startup power supply 100 is applicable in the motor vehicle that other start voltage, or is other power supply for electrical equipment.
In the first embodiment, the M switch module is at most connected in synchronization in described control unit 40
Switch module one of in K1~KM, that is to say, that in 100 course of work of the startup power supply, at most only wherein
One switch module is switched on, without there are two or more switch modules while being switched on, to avoid
Multiple switch module simultaneously turns on and causes part of battery module short-circuit, so as on the basis of ensuring circuit safety, into
One step ensures that the voltage follower circuit 10 can export corresponding voltage.
Fig. 3 is the attachment structure schematic diagram of Power Supply Assembly 20 and switch module 30 ' that the application second embodiment provides.
In the second embodiment, the Power Supply Assembly 20 include N group battery module B1~BN, the switch module 30 ' it is every
One switch module includes first switch unit and second switch unit, wherein M first switch unit K11~KM1
It connects with the N groups battery module B1~BN, each first switch unit forms a string of sons with corresponding battery module
Circuit 23, the series connection sub-circuit 23 and the second switch unit of corresponding switch module are in parallel.Such as shown in Fig. 3, switching molding
Block K2 is correspondingly connected with battery module B2, and the switch module K2 includes first switch unit K21 and second switch unit
K22, the first switch unit K21 and the battery module B2 form the sub-circuit 23 of connecting, the series connection sub-circuit 23
It is in parallel with the second switch unit K22.It is understood that including two or more in the series connection sub-circuit 23
When battery module, two first switch units or more than two battery modules are considered as a battery module entirety.
In the second embodiment, the first switch unit K11~KM1 is and described when in the conduction state
The corresponding battery modules of first switch unit access in the voltage follower circuit 10.The second switch unit K12~KM2
When in the conduction state, the short circuit of series connection sub-circuit corresponding with the second switch unit 23, make corresponding battery modules with
The voltage follower circuit 10 disconnects electrical connection.
In the second embodiment, in 100 course of work of the startup power supply, each switch module includes
One of switch unit it is in the conduction state, another switch unit is off, that is, each switch module
There are one switch unit is in the conduction state, and each switch module first switch unit for including and second switch list
In the conduction state when first different, two switch units to avoid same switch module simultaneously turn on and cause battery module short
Road, and avoid two switch units of same switch module from simultaneously switching off and the voltage follower circuit 10 is caused to be opened a way, to
It can further ensure that the voltage follower circuit 10 can export corresponding voltage on the basis of ensuring circuit safety.
It is understood that in one embodiment, as shown in figure 3, the quantity M of the switch module and the battery
The quantity N of module 21 is equal, i.e. M=N, and the M switch module connects one to one with the N groups battery module B1~BN.
Described control unit 40 can be closed according to the practical residual voltage for starting voltage requirements and each group battery module 21 come unrestricted choice
Suitable battery module, for example, the sum of selection residual voltage is substantially equal to the practical battery module for starting voltage, and by leading
The logical and selection corresponding first switch unit of battery module and second switch unit corresponding with other battery modules, and it is disconnected
The corresponding second switch unit of battery module opened and selected and first switch unit corresponding with other battery modules, so as to
The battery module of selection is accessed into the voltage follower circuit 10, the voltage follower circuit 10 is made to export corresponding startup electricity
Pressure.
For example, as 40 simultaneous selection battery module B1, B3 of described control unit, described control unit 40 can simultaneously turn on
First switch unit K11, K31 and second switch unit K22, K42~KM2, and simultaneously switch off second switch unit K12, K32 and
First switch unit K21, K41~KM1 make battery module B1, B3 while accessing in the voltage follower circuit 10, and makes electricity
Pond module B2, B4~BM is disconnected with the voltage follower circuit 10 simultaneously, the voltage that the voltage follower circuit 10 exports
Equal to the sum of the residual voltage of described battery module B1, B3.
In the third embodiment, as shown in figure 4, the quantity M of the switch module can be less than the battery module 21
Quantity N, in this way, the part of battery module in the N groups battery module B1~BN can keep being connected to the voltage always
The state of output circuit 10, and the output voltage always when the startup power supply 100 works.Described control unit 40 can be according to reality
Border starts voltage requirements and the residual voltage of each group battery module 21 carrys out the suitable battery module of unrestricted choice.
For example, in Fig. 4, battery module B1 is connected to always in the voltage follower circuit 10, battery module B2 and
One switch unit K11 and second switch unit K12 are correspondingly connected with, described when described control unit 40 selects battery module B2
Control unit 40 can simultaneously turn on first switch unit K11 and second switch unit K22~KM2, and simultaneously switch off second switch
Unit K12 and first switch unit K21~KM1, makes battery module B2 access in the voltage follower circuit 10, and make battery
Module B3~BM is disconnected with the voltage follower circuit 10 simultaneously, and the voltage that the voltage follower circuit 10 exports is equal to institute
State the sum of the residual voltage of battery module B1, B2.
In second and third described embodiment, the N group battery modules of the startup power supply 100 are connected, and N group battery moulds
Physical connection is carried out by first switch unit between block, and in parallel by second switch unit and corresponding battery module, from
And the combination of corresponding voltage module or power module can be chosen according to voltage output demand come output voltage.
In second and third described embodiment, the Power Supply Assembly 20 the switch module 30 switch control under
The voltage value exported in the voltage follower circuit 10 includes at least 48V, 24V and 12V, so that the startup power supply 100 can
It is applied in 48V, 24V or 12V motor vehicle at present on the market.It is understood that the Power Supply Assembly 20 is in the switch
Under the switch control of component 30 in the voltage follower circuit 10 also exportable others voltage value, specifically can be according to actually making
It is set and is controlled with demand, is applicable to so as to the startup power supply 100 in the motor vehicle that other start voltage, or
Person is other electric appliances or power supply for electrical equipment.
The embodiment of the present application does not limit the concrete structure of the switch module K1~KM, as long as the switch module is logical
The status of electrically connecting of corresponding battery module and the voltage follower circuit 10 can be controlled by crossing its on off state.For example,
Electronic switch, such as triode or metal-oxide-semiconductor etc. can be used in the switch module K1~KM, and for details, reference can be made to the relevant technologies, originally
Application is not described in detail this.
Referring to Fig. 5, the startup power supply 100 further includes the battery charger being electrically connected with described control unit 40
52.In one embodiment, described control unit 40 is additionally operable to be detected in real time according to the battery voltage detection circuit 51
The residual voltage of each group battery module 21 determine the charging priority of each group battery module 21, and control the battery charging electricity
It charges to each group battery module 21 according to the determining charging priority on road 52, wherein the lower battery module of residual voltage
Charging priority be higher than the higher battery module of residual voltage charging priority.
It is understood that in a kind of embodiment, for Power Supply Assembly 20 shown in Fig. 2 and switch module 30
Connection structure, due to n-th (1<n<=N) a switch module Kn conducting when, 1~n group battery modules B1~Bn is accessed
Extremely in the voltage follower circuit 10, and it is carried out at the same time electric discharge so that (n-1)th in the course of work of the startup power supply 100
The frequency of use of group battery module Bn-1 can be greater than or equal to the frequency of use of n-th group battery module Bn, and (n-1)th group of battery mould
The discharge capacity of block Bn-1 can be greater than or equal to the discharge capacity of n-th group battery module Bn, therefore, electric described in practical charging process
Pond charging circuit 52 can preferentially give (n-1)th group of battery module Bn-1 charging.
Described control unit 40 can first compare the residue of each group battery module B1~Bn when determining the charging priority
Voltage determines the charging priority further according to comparison result.For example, it is assumed that battery module B1~BN is in the case of Full Charge Capacity
Cell voltage having the same, before to the B1~BN chargings of each group battery module, the first comparative cell module of described control unit 40
The residual voltage of B1, B2 control the battery charger 52 first to battery module B1 if the residual voltage of the two is inconsistent
It charges, until the residual voltage of battery module B1 is consistent with the residual voltage of battery module B2.If battery module B1's is surplus
Remaining voltage is consistent with the residual voltage of battery module B2, and described control unit 40 continues the average residual of battery module B1, B2
Voltage or minimum voltage are made comparisons with the residual voltage of battery module B3, if the average residual voltage of battery module B1, B2 or most
Low-voltage be less than battery module B3 residual voltage, then control the battery charger 52 to battery module B1, B2 simultaneously into
Row charging, until the residual voltage of battery module B1, B2 are consistent with the residual voltage of battery module B3, and so on.
It is understood that for the connection structure of Power Supply Assembly 20 and switch module 30 ' shown in Fig. 2, by institute
The voltage output electricity can be accessed to unrestricted choice by each group battery module B1~BN in the process by stating the use of startup power supply 100
In road 10, the frequency of use of each group battery module B1~BN is uncertain, therefore can be directly preferentially to the lower battery of residual voltage
Module charges.
Optionally, in another embodiment, described control unit 40 can also be used to control the battery charger
52 give the B1~BN chargings of each group battery module respectively, until each group battery module B1~BN is fully charged.
The embodiment of the present application does not limit the particular circuit configurations of the battery charger 52, as long as the battery fills
Circuit 52 can give each group battery module 21 to charge respectively.Such as the battery charger 52 may include multiple chargings
Sub-circuit, each charging sub-circuit gives one or more groups of battery modules 21 to charge respectively, since this part is not the weight of the application
Point, in this application without being discussed in detail.
Referring to Fig. 5, in one embodiment, the startup power supply 100 may also include battery temperature detection electricity
Road 53 and battery equalizing circuit 54, wherein the battery temperature detection circuit 53 is used to detect the temperature of each group battery module 21
Degree.The battery equalizing circuit 54 is electrically connected to each group battery module 21, and described control unit 40 is detected with the battery temperature
Circuit 53 and battery equalizing circuit 54 are electrically connected, and described control unit 40 is additionally operable to the temperature according to each group battery module 21
Degree, by the working condition of 54 Balance route each group battery module 21 of the battery equalizing circuit, in this way, certain battery modules 21
Its when the temperature is excessively high, you can the temporary close by Balance route of the battery equalizing circuit 54, in order to avoid influence the confession
The performance of electrical component 20.
For example, described control unit 40 can according in the temperature of each group battery module 21 and residual voltage value etc. one kind or
Many kinds of parameters determines the uneven and non-security or wrong running environment of battery, such as over-pressed, under-voltage, overheat etc., and passes through
The working condition of each group battery module 21 of Power Supply Assembly 20 described in 54 Balance route of the battery equalizing circuit, such as open certain
A little temperature are relatively low and/or the higher rechargeable battery of voltage, close that certain temperature are higher and/or the lower rechargeable battery of voltage, with
Controllable protectiveness management is carried out to the Power Supply Assembly 20, ensures the safe and reliable use of the Power Supply Assembly 20.
It is understood that the battery temperature detection circuit 53 can be arranged with each group battery module 21 in same circuit base
On plate, in order to more accurately detect the temperature of corresponding battery module.The embodiment of the present application detects electricity to the battery temperature
The particular circuit configurations on road 53 do not limit, as long as the battery temperature detection circuit 53 can detect each group battery module respectively
21 temperature.For example, the battery temperature detection circuit 53 may include multiple temperature detection sub-circuits, each charging electricity
Road is respectively used to detect the temperature of one or more groups of battery modules 21.It is understood that the quantity of the charging sub-circuit
Can be corresponding with the quantity of the battery module 21, targetedly to carry out corresponding temperature inspection to corresponding battery module
It surveys.Since this part is not the emphasis of the application, in this application without being discussed in detail.
The embodiment of the present application does not limit the particular circuit configurations of the battery equalizing circuit 54, as long as the battery is equal
Weighing apparatus circuit 54 can control the working condition of each group battery module 21 respectively.For example, the battery equalizing circuit 54 can wrap
Multiple balanced sub-circuits are included, each equilibrium sub-circuit is respectively used to control the working condition of one or more groups of battery modules 21, by
In this part be not the emphasis of the application, in this application without being discussed in detail.
It is understood that in order to make the compact-sized of the startup power supply 100, to reduce the startup power supply 100
Volume, the battery voltage detection circuit 51, battery temperature detection circuit 53, battery equalizing circuit 54 can be integrated in same electricity
On base board 50.
In one embodiment, the startup power supply 100 may also include at least one output interface 551, the startup
Power supply 100 be used for by the output interface 551 be other power supply for electrical equipment, for example, the electronic equipments such as mobile phone charge or
Person is the power supplies such as lighting apparatus, communication equipment, so as to provide facility to the user, promotes user experience.Wherein, when opening
When dynamic power supply 100 includes multiple output interfaces 551, multiple output interfaces 551 may be provided on integrated circuit board 55, to reduce
The space occupied required for the multiple output interface 551.
The output interface 551 includes at least USB interface, such as the USB interface of the USB interface of 5V3A, 5V2A, QC3.0
USB interface etc., wherein the The concrete specification of the USB interface can be configured according to actual use situation, herein without tool
Body limits.
In a kind of embodiment, described control unit 40 can also be according to the surplus of each group battery module 21 detected
Remaining voltage and the required operating voltage of other electrical equipments control the on off state of the M switch module, make
The voltage follower circuit 10 exports the operating voltage.
In one embodiment, as shown in fig. 6, the vehicle may also include the storage battery being electrically connected with starter 201
202, the startup power supply 100 further includes starting voltage detecting circuit 56, the startup voltage detecting circuit 56 and the storage battery
202 electrical connections, the voltage for detecting the storage battery 202.Described control unit 40 and 56 electricity of the startup voltage detecting circuit
Connection, described control unit 40 are used to receive the voltage for the storage battery 202 that the startup voltage detecting circuit 56 detects, and
The required default startup voltage of the starter 201 of the vehicle is determined according to the voltage of the storage battery 202.It is appreciated that
It is that the voltage of the storage battery 202 may cause to be less than the starter 201 due to not enough power supply etc. required
Default to start voltage, in a kind of embodiment, described control unit 40 can be according to the electricity of the storage battery 202 detected
Voltage range where pressure determines the required default startup voltage of the starter 201.
Optionally, in another embodiment, the startup power supply 100 further includes being electrically connected with described control unit 40
Communication interface (not shown), the communication interface be used for receive external equipment (not shown) transmission startup voltage signal, and
The startup voltage signal is sent to described control unit 40, described control unit 40 can be with according to the startup voltage signal
Determine the required default startup voltage of the starter of the vehicle.
Optionally, in another embodiment, the startup power supply 100 further includes input unit (not shown), described
Input unit starts voltage signal accordingly for receiving input and operating and generate, described control unit 40 and the input unit
Electrical connection, the startup voltage signal for being generated according to the input unit determine that the starter of the vehicle is required pre-
If starting voltage.
Wherein, the input unit can be digit dialling device, and the digit dialling device can be used for being grasped according to the dialing of user
Make to generate corresponding startup voltage signal.Alternatively, the input unit is multiple driving switch, each driving switch corresponds to one and opens
Dynamic voltage value, the driving switch are used to generate corresponding startup voltage signal in the closed procedure for receiving user.
In this way, the startup power supply 100 can be applied in different vehicles by user according to actual needs, and lead to
The output voltage that the input unit rapidly sets the startup power supply 100 is crossed, so that the startup power supply 100 can be not
Same starter power supply.
It is understood that described control unit 40 obtains the starter for the vehicle that the startup power supply 100 is applied
The required default mode for starting voltage can there are many, the application citing that differs illustrates.
In the present embodiment, described control unit 40 can be microcontroller, micro-control unit (MicroControl Unit,
MCU) etc..Described control unit 40 may include multiple signal acquisition ports, communication port, multiple control ports etc., wherein described
Control unit 40 can by its multiple signal acquisition port respectively with the startup voltage detecting circuit 56 or input unit, battery
The electrical connections such as voltage detecting circuit 51, battery temperature detection circuit 53, to obtain vehicle that the startup power supply 100 is applied
A variety of electric informations of the required default startup voltage of starter or the startup power supply 100, such as the power supply group
The residual voltage of each group battery module 21 of part 20 and temperature etc..Described control unit 40 can also by its communication port with it is described
Communication interface is electrically connected, to obtain the startup voltage signal.Described control unit 40 can also pass through its multiple control port point
It is not electrically connected with each switch module of the switch module 30, battery equalizing circuit 54, battery charger 52 etc., with basis
Different demands for control controls corresponding electronic device or circuit structure accordingly.
The startup power supply 100 of the application controls each group battery mould of the Power Supply Assembly 20 by using multiple switch module
The connection status of block 21 and the voltage follower circuit 10, to make the startup power supply 100 can adapt in different voltage
Demand and export a variety of different startup voltages, to start the vehicle that the startup power supply 100 is applied, to make the startup
Power supply 100 can be widely applied in different vehicles, user-friendly.
The application is described in detail in the above specific implementation mode, but these not constitute the limit to the application
System.The protection domain of the application is not limited with the above embodiment, as long as those of ordinary skill in the art are according to the application institute
Equivalent modification or variation made by disclosure, should be included in the scope of the protection described in the claims.
Claims (14)
1. a kind of startup power supply, which is characterized in that including：
Power Supply Assembly, including concatenated N groups battery module；
Switch module, including M switch module, each switch module and at least one set electricity in the N groups battery module
Pond module is correspondingly connected with, and the switch module is for accessing to corresponding battery module in one voltage follower circuit；And
Control unit is electrically connected with M switch module of the switch module, for being applied according to the startup power supply
The starter required default startup voltage of vehicle control the on off state of the M switch module, at the M
Under the switch control of switch module, battery module accesses to the voltage output some or all of in the N groups battery module
In circuit, the voltage follower circuit is set to export the default startup voltage, to start the vehicle.
2. startup power supply as described in claim 1, which is characterized in that the startup power supply further includes battery voltage detection electricity
Road, the battery voltage detection circuit are electrically connected with each group battery module, the residue for detecting each group battery module in real time
Voltage；
Described control unit is also electrically connected with the battery voltage detection circuit, and described control unit is used for each according to detecting
The residual voltage and the default startup voltage of group battery module control the on off state of the M switch module, make institute
It states voltage follower circuit and exports the default startup voltage.
3. startup power supply as claimed in claim 2, which is characterized in that the voltage follower circuit includes the first output end and the
Two output ends；
The N groups battery module is connected in order, and each battery module includes first electrode end and second electrode end, institute
The first electrode end for stating the in Power Supply Assembly the 1st group of battery module is electrically connected with first output end；
The quantity M of the switch module is equal with the quantity N of the battery module, the M switch module in order with the N
Group battery module connect one to one, each switch module be electrically connected to corresponding battery module second electrode end and
Between the second output terminal；
The 1st switch module in the switch module is when in the conduction state, the 1st group of battery mould in the Power Supply Assembly
Block accesses in the voltage follower circuit；M-th of switch module in the switch module is described when in the conduction state
The 1st in Power Supply Assembly accesses in the voltage follower circuit simultaneously to m groups battery module, wherein and m, M, N are integer,
And 1<m<=M=N；
Wherein, described control unit switch module one of in the M switch module is at most connected in synchronization.
4. startup power supply as claimed in claim 2, which is characterized in that each switch module includes first switch unit
And second switch unit, the M first switch units are connected with the N groups battery module, each first switch list
It is first to form a string of sub-circuits, the second switch list of the series connection sub-circuit and corresponding switch module with corresponding battery module
It is first in parallel；
For the first switch unit when in the conduction state, battery modules corresponding with the first switch unit access to institute
It states in voltage follower circuit；The second switch unit is when in the conduction state, string corresponding with the second switch unit
Join sub-circuit short circuit, so that corresponding battery modules is disconnected with the voltage follower circuit and be electrically connected；
Wherein, in the startup power supply course of work, one of each switch module includes switch unit is in
Conducting state, another switch unit are off.
5. startup power supply as described in claim 3 or 4, which is characterized in that the startup power supply further includes single with the control
The battery charger of member electrical connection, what described control unit was additionally operable to be detected in real time according to the battery voltage detection circuit
The residual voltage of each group battery module determines the charging priority of each group battery module, and control the battery charger according to
The determining charging priority gives each group charging battery module, wherein the charging of the lower battery module of residual voltage is preferential
Grade is higher than the charging priority of the higher battery module of residual voltage；Or
Described control unit is additionally operable to control the battery charger respectively to each group charging battery module.
6. startup power supply as described in claim 3 or 4, which is characterized in that the Power Supply Assembly is opened the switch module
It closes the voltage value exported in the voltage follower circuit under control and includes at least 48V, 24V and 12V；Or
The voltage value that the Power Supply Assembly exports under the switch control of the switch module in the voltage follower circuit is extremely
Include 24V and 12V less.
7. startup power supply as described in claim 1, which is characterized in that every group of battery module includes one or more energy storage lists
Member, the energy-storage units include lead-acid battery, Ni-MH battery, ferric phosphate lithium cell, cobalt acid lithium battery, lithium titanate battery, super
Capacitance power battery, lithium-ion capacitor.
8. startup power supply as claimed in claim 7, which is characterized in that the battery module when including multiple energy-storage units,
Multiple energy-storage units serial or parallel connections of the battery module.
9. startup power supply as described in claim 1, which is characterized in that the startup power supply further includes：
Battery temperature detection circuit, the temperature for detecting each group battery module；And
Battery equalizing circuit is electrically connected to each group battery module；
Described control unit is electrically connected with the battery temperature detection circuit and battery equalizing circuit, described control unit
It is additionally operable to the temperature according to each group battery module, passes through the work shape of the battery equalizing circuit Balance route each group battery module
State.
10. startup power supply as described in claim 1, which is characterized in that the startup power supply further includes that at least one output connects
Mouthful, the startup power supply is used to through the output interface be other power supply for electrical equipment, wherein the output interface at least wraps
Include USB interface.
11. startup power supply as described in claim 1, which is characterized in that the vehicle further includes being electrically connected with the starter
The storage battery connect, the startup power supply further include starting voltage detecting circuit, the startup voltage detecting circuit and storage battery electricity
Connection, the voltage for detecting the storage battery；
Described control unit is electrically connected with the startup voltage detecting circuit, and described control unit is for receiving the startup voltage
The voltage for the storage battery that detection circuit detects, and determined needed for the starter of the vehicle according to the voltage of the storage battery
The default startup voltage wanted.
12. startup power supply as described in claim 1, which is characterized in that the startup power supply further includes and described control unit
The communication interface of electrical connection, the communication interface starts voltage signal for receiving, and the startup voltage signal is sent to
Described control unit, described control unit determine that the starter of the vehicle is required pre- according to the startup voltage signal
If starting voltage.
13. startup power supply as described in claim 1, which is characterized in that the startup power supply further includes input unit, described defeated
Enter device for receive input operate and generate corresponding startup voltage signal, described control unit is electrically connected with the input unit
It connects, the startup voltage signal for being generated according to the input unit determines that required preset of the starter of the vehicle is opened
Dynamic voltage.
14. startup power supply as claimed in claim 13, which is characterized in that the input unit is digit dialling device, the number
Word dialer is used to generate corresponding startup voltage signal according to the dial-up operation of user；Or
The input unit is multiple driving switch, and each driving switch corresponds to one and starts voltage value, and the driving switch is used for
Corresponding startup voltage signal is generated in the closed procedure for receiving user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810458003.8A CN108377023A (en) | 2018-05-14 | 2018-05-14 | Startup power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810458003.8A CN108377023A (en) | 2018-05-14 | 2018-05-14 | Startup power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108377023A true CN108377023A (en) | 2018-08-07 |
Family
ID=63033420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810458003.8A Pending CN108377023A (en) | 2018-05-14 | 2018-05-14 | Startup power supply |
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| CN (1) | CN108377023A (en) |
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