CN208190332U - A kind of power supply device - Google Patents
A kind of power supply device Download PDFInfo
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- CN208190332U CN208190332U CN201820116622.4U CN201820116622U CN208190332U CN 208190332 U CN208190332 U CN 208190332U CN 201820116622 U CN201820116622 U CN 201820116622U CN 208190332 U CN208190332 U CN 208190332U
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Abstract
The utility model discloses a kind of power supply device, which includes: current detection circuit, battery, super capacitor and controller；The current detection circuit, for detect load need electric current；The controller controls the super capacitor and battery parallel connection while being the load supplying for determining when electric current being needed to be greater than predetermined current of the load.It can be seen that, pass through power supply device provided by the utility model, when load needs high current, controller is load supplying by control super capacitor and battery parallel connection, battery supplemental capacity is given by the super capacitor with high output power, in the case where high current needed for proof load, alleviates the output burden of small-capacity cells, mitigate the impact to battery high current charge-discharge simultaneously, greatly extends battery life.
Description
Technical field
The utility model relates to power technique fields more particularly to a kind of power supply devices.
Background technique
With socio-economic development, digital product it is universal, lithium battery is also gradually valued by the people, by as important
The energy is widely used in digital product and high end instrument product.Lithium battery has higher storage energy density, weight because of it
Gently, high/low temperature is adaptable, the superiority outstanding such as environmentally protective plays an increasingly important role in terms of the energy.Lithium electricity
Though pond energy density in energy source of car, or live it is daily in electrical equipment in, all be unable to do without lithium battery and energy be provided
Amount.
The capacity of the polymer lithium ion battery monomer series of products produced at present is from 30mAh to 1000mAh, due to life
Middle electrical equipment toward miniaturization, intelligent direction development, keeps its application more and more convenient.Since the volume of electrical equipment is got over
It is next smaller, therefore the volume of lithium battery is limited, and then limit the capacity of lithium battery.
When in some applications, for needing moment to export relatively high electric current, since lithium battery output electric current is
Stable, explosion type electric current will increase the output burden of lithium battery, and lithium battery, in moment output HIGH current, energy is converted
Rate is low, loses larger.Therefore, lithium battery is not able to satisfy the occasion that moment needs to export larger current.
Utility model content
In order to solve the above technical problem of the existing technology, the utility model provides a kind of power supply device and side
Method can export high current in moment, provide larger current for electrical equipment.
The utility model provides a kind of power supply device, which includes: current detection circuit, battery, super capacitor
And controller；
The current detection circuit, for detect load need electric current；
The controller controls the super capacitor for determining when electric current being needed to be greater than predetermined current of the load
In parallel with the battery is the load supplying simultaneously.
Preferably, power supply device further include: electric quantity detecting circuit；
The electric quantity detecting circuit, for detecting the electricity of the super capacitor；
The controller controls power supply when being also used to determine that the electricity of the super capacitor is less than or equal to default electricity
It is that the super capacitor charges while charging for battery.
Preferably, the power supply device further includes power switch；
The power switch first end connection super capacitor first end, the power switch second end connection described in
The first end of load, the second end of the load connect the second end of the super capacitor；
The controller is the load supplying by controlling the power switch closure to control the super capacitor.
Preferably, power supply device, further includes: charge switch；
The first end of the charge switch connects the first end of the power supply, described in the second end connection of the charge switch
The first end of super capacitor, the second end of the super capacitor connect the second end of the power supply；
The controller is by controlling the charge switch closure control power supply as super capacitor charging.
Preferably, the first end of the first end connection load of the battery, the of the second end connection load of the battery
Two ends.
Preferably, power supply device further include: DC-DC converter；
The DC-DC converter, for after the voltage of the battery and super capacitor output is converted to institute
State load supplying.
Preferably, power supply device further include: low pressure difference linear voltage regulator；
The low pressure difference linear voltage regulator, for institute will to be given after the voltage progress pressure stabilizing of the battery and super capacitor output
State load supplying.
Preferably, the current detection circuit is current transformer.
Preferably, the load is camera, baseband module or motor.
Compared with prior art, the utility model at least has the following advantages:
A kind of power supply device provided by the utility model, including current detection circuit, battery, super capacitor and control
Device, the load of current detection circuit real-time detection need electric current, when controller determines that the electric current that load needs is greater than predetermined current
When, then it controls super capacitor and battery parallel connection while being load supplying, electric current needed for proof load.As it can be seen that practical new by this
The power supply device that type provides, when load needs high current, controller is negative by control super capacitor and battery parallel connection
Power supply is carried, battery supplemental capacity is given by the super capacitor with high output power, needed for proof load the case where high current
Under, the output burden of small-capacity cells is alleviated, while mitigating the impact to battery high current charge-discharge, greatly extends electricity
The pond service life.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of power supply device structure chart provided by the utility model；
Fig. 2 is another power supply device structure chart provided by the utility model；
Fig. 3 A is another power supply device structure chart provided by the utility model；
Fig. 3 B is another power supply device structure chart provided by the utility model；
Fig. 4 is a kind of power source supply method flow chart provided by the utility model.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
Technical solution provided by the utility model in order to facilitate understanding, below first to the background of technical solutions of the utility model
Technology is briefly described.
Inventor has found that electrical equipment needs moment to export bigger peak value electricity in some applications under study for action
Stream needs moment to export high current for example, the sudden strain of a muscle of camera is turned off the light；Within the burst stage, power supply allows for baseband module
Big peak point current is provided, guarantees that voltage will not drop into the minimum operating voltage of module；Motor needs when taking a turn for the worse
Instantaneous large-current etc..However due to the limited battery capacity of electrical equipment, and the electric current exported is more stable, and explosion type is defeated
High current will increase the output burden of battery, and the charge and discharge of high current out, and very big impact can be brought to battery, shortens electricity
The service life in pond.Therefore, the battery of electrical equipment is not able to satisfy the occasion that moment needs to export larger current at present.
Based on this, the utility model embodiment provides a kind of power supply device, specifically, the device includes electric current inspection
Slowdown monitoring circuit, battery, super capacitor and controller；The electric current that current detection circuit detection load needs, loads when controller determines
When the electric current needed is greater than predetermined current, then it is in parallel with battery to control super capacitor, while powering load, so that passing through has
The super capacitor of high output power gives battery supplemental capacity, in the case where high current needed for proof load, alleviate low capacity
The output of battery is born, while mitigating the impact to battery high current charge-discharge, greatly extends battery life.
Embodiment one:
It is situated between in detail below in conjunction with attached drawing 1 to the power supply device shown in the utility model exemplary embodiment
It continues.
It is a kind of power supply device structure chart provided by the embodiment of the utility model referring to Fig. 1.
Power supply device 100 provided in this embodiment includes current detection circuit 101, battery 102, super capacitor 103
With controller 104；
Current detection circuit 101, for detect load need electric current.
In the present embodiment, the load of 101 real-time detection of current detection circuit needs the size of electric current, and the electricity that will test
Stream is sent to controller 104, so that controller 104 carries out corresponding operation according to the size of electric current needed for load.
Battery 102 can be polymer Li-ion battery in specific application, which is come with solid polymer electrolyte
Instead of traditional liquid electrolyte, this polymer can be " solid-state ", be also possible to " colloidal state ", most of at present to use colloid
Electrolyte.Polymer Li-ion battery compared with liquid lithium ionic cell, have many advantages, such as can thin type, arbitrary shape,
The safety problems such as leakage and combustion explosion will not be generated.Moreover, the capacity of polymer Li-ion battery can reach same volume with weight
One times or so of the liquid lithium ionic cell of amount.Certainly, battery 102 or other kinds of battery, the utility model are real
Apply example it is not limited here.
Wherein, super capacitor 103 is a kind of electrochemical element by polarized electrolytic matter come energy storage, also referred to as electric double layer
Capacitor or double layer capacitor are a kind of electrochemical capacitors for possessing high-energy density.Super capacitor is different from traditional change
Power supply is learned, is a kind of power supply between traditional capacitor and battery, with property, relies primarily on electric double layer and oxidation
It restores fake capacitance charge and stores electric energy, do not chemically reacted in the process of energy storage, this thermal energy storage process is reversible, just
Because super capacitor can be hundreds of thousands of times with repeated charge thus, large current discharging capability is superpower, and energy conversion rate is high, conversion process
It loses small.
In specific implementation, super capacitor 103 can arrange in pairs or groups a very low equivalent series resistance, so that super capacitor
103 can send and absorb higher electric current, and the low ESR of super capacitor 103 can make super capacitor
103 chargings rapidly.The characteristic of super capacitor 103 itself allows capacitor charge and discharge at a same speed, by parallel super
Peak point current can be improved in capacitor.
Controller 104, for determine the load need electric current be greater than predetermined current when, control the super capacitor and
The battery in parallel is the load supplying simultaneously.
In the present embodiment, predetermined current is preset by controller and is saved in the controller, and occurrence can be with needle
Different equipment is configured, can also be arranged according to equipment in different applications.In specific implementation, controller
The load that 104 reception current detection circuits 101 detect needs the size of electric current and judges whether the electric current is greater than predetermined current,
If it is greater than predetermined current, then controls super capacitor 103 and 102 parallel connection of battery while being load supplying, by having high output
The super capacitor 103 of electric power is 102 supplemental capacity of battery, to meet the needs of load is to high current, proof load can be just
Often work.If the electric current is less than or equal to predetermined current, controller 104 is still that load supplies by battery 102 without operation
Electricity.
In order to make it easy to understand, predetermined current is defined as I0, it is I that current detection circuit 101, which detects that load needs electric current,
And the electric current I that will test is sent to controller 104, controller 104 is by electric current I and predetermined current I0It is compared, if I is greater than
I0, then illustrate that load needs high current, then it is simultaneously load supplying that it is in parallel with battery 102, which to control the connection of super capacitor 103, is passed through
Super capacitor 103 quickly exports high current and provides energy for load, meets the case where load needs instantaneous large-current；If I is small
In or equal to I0, show loaded work piece in the normal mode, then controller 104 keeps battery 102 individually to negative without operation
Carry the state of power supply.
The power supply device provided through this embodiment, current detection circuit detection load needs electric current, and is sent to
Controller determines whether the electric current is greater than predetermined current by controller, and when determining that the electric current is greater than predetermined current, then control is super
Grade capacitor and battery parallel connection are load supplying simultaneously, so that transient peak high current is provided by super capacitor for load, with guarantor
Card load can work normally, meanwhile, the output burden of small-capacity cells is alleviated, while mitigating to battery high current charge-discharge
Impact, greatly extend battery life.
Embodiment two
Above-described embodiment describes the realization of power supply device function, below in conjunction with Fig. 2 to above-mentioned power supply device
Concrete composition describe in detail.
It referring to fig. 2, is another power supply device structure chart provided by the embodiment of the utility model.
Power supply device provided in this embodiment includes: current detection circuit 201, battery 202, super capacitor 203, control
Device 204 and electric quantity detecting circuit 205 processed.
Current detection circuit 201, for detect load need electric current.
In the present embodiment, what 201 real-time detection of current detection circuit loaded needs the size of electric current, and will test
Electric current is sent to controller 204, so that controller 204 needs the size of electric current to carry out corresponding operation according to load.
In practical applications, current detection circuit 201 can be current transformer, be according to electromagnetic induction principle by one
The instrument that secondary side high current is converted into secondary side low current to measure.Current transformer is made of the iron core and winding being closed,
First side winding the number of turns is seldom, goes here and there in the route for the electric current for needing to measure.
Wherein, load can be the equipment such as camera, baseband module or motor.
Controller 204, for determine the load need electric current be greater than predetermined current when, control the super capacitor and
The battery in parallel is the load supplying simultaneously.
In the present embodiment, predetermined current is preset by controller and is saved in the controller, and occurrence can be with needle
Different equipment is configured, can also be arranged according to equipment in different applications.In specific implementation, controller
The load that 204 reception current detection circuits 201 detect needs the size of electric current and judges whether the electric current is greater than predetermined current,
If it is greater than predetermined current, then controls super capacitor 203 and 202 parallel connection of battery while being load supplying, by having high output
The super capacitor 203 of electric power is 202 supplemental capacity of battery, to meet the needs of load is to high current, proof load can be just
Often work.If the electric current is less than or equal to predetermined current, controller 204 is still that load supplies by battery 202 without operation
Electricity.
Electric quantity detecting circuit 205, for detecting the electricity of the super capacitor 203.
Controller 204, when being also used to determine that the electricity of the super capacitor 203 is less than or equal to default electricity, control electricity
Source is that battery 202 is that the super capacitor 203 charges while charging.
Wherein, presetting electricity is that controller 204 presets and saves in the controller, and the setting of occurrence can root
It is set according to actual conditions.In practical applications, to guarantee that the electricity of super capacitor 203 is sufficient, to need wink when load
Between high current when, can star 203 repid discharge of super capacitor, energy be provided, electric quantity detecting circuit 205 need to detect super
The electricity of capacitor 203, when not enough power supply, controller 204 controls power supply as the charging of super capacitor 203.
In specific implementation, electric quantity detecting circuit 205 detects the electricity of super capacitor 203, and the super electricity that will test
The electricity of appearance is sent to controller 204, judges whether the electricity of super capacitor 203 is less than or equal to default electricity by controller 204
Amount, when the electricity of super capacitor 203 is less than or equal to default electricity, then controller 204 controls power supply and is charging for battery
It charges simultaneously for super capacitor 203；If the electricity of super capacitor 203 is greater than default electricity, controller 204 without
Operation, keeping power supply is only that battery charges.
In order to make it easy to understand, for example, for example, super capacitor Full Charge Capacity is 100%, using 40% electricity as default
Electricity, when the remaining capacity of super capacitor is less than or equal to 40%, controller controls power supply as super capacitor charging；If super
The remaining capacity of grade capacitor is greater than 40%, then controller is without operation.The above is only for example, default electricity can basis
Practical application scene and the concrete model of super capacitor are arranged, and are not specifically limited in the present embodiment.
It should be noted that if can be charged on one side by power supply when current super capacitor not enough power supply, on one side into
Row electric discharge, so as to provide required energy for load continuous.
In some embodiments, device further include: power switch 206；
The first end of the first end connection super capacitor 203 of the power switch 206, the second of the power switch 206
End connects the first end of the load, and the second end of the load connects the second end of the super capacitor 203；The controller
204 control the super capacitor 203 by controlling the closure of power switch 206 as the load supplying.
In specific implementation, power switch 206 is in an off state, and the electric current needed for controller 204 determines load is big
When predetermined current, controller 204 controls power switch 206 and is closed, and is connected to load, so that super capacitor 203 is negative
Carry power supply.
In some embodiments, device further include: charge switch 207；
The first end of the charge switch 207 connects the first end of the power supply, and the second end of the charge switch 207 connects
The first end of the super capacitor 203 is connect, the second end of the super capacitor 203 connects the second end of the power supply；The control
Device 204 processed is closed by controlling the charge switch 207, controls power supply as the super capacitor 203 charging.
In specific implementation, charge switch 207 is in an off state, when controller 204 determines the electricity of super capacitor 203
When less than or equal to default electricity, then the closure of charge switch 207 is controlled, is connected to power supply, so that controlling power supply is super capacitor
203 chargings.
In practical applications, the first end of the first end connection load of the battery 202, the second end of the battery 202
The second end of load is connected, so that battery 202 is load supplying.
In some embodiments, device further include: DC-DC converter 208；The DC-DC converter
208 for giving the load supplying after being converted the voltage that the battery 202 and super capacitor 203 export.
Wherein, DC-DC converter (DC-DC) 208 is a kind of to become the electric energy of voltage value in DC circuit
For the device of the electric energy of another voltage value, specifically, by fixed current-voltage conversion at variable DC voltage, for reality
Border uses.
In some embodiments, device further include: low pressure difference linear voltage regulator 209；The low pressure difference linearity pressure stabilizing
Device 209 gives the load supplying after the voltage progress pressure stabilizing for exporting the battery 202 and super capacitor 203.
Wherein, low pressure difference linear voltage regulator (LDO) 209 is the integrated circuit voltage regulator of a new generation, has overcurrent protection, mistake
The functions such as temperature protection and load short circuits protection, over-voltage shutdown.
In practical applications, DC-DC converter 208 or low pressure difference linear voltage regulator 209 are connected to battery and load
Between and super capacitor and load between.It is straight by direct current-when battery 202 and/or super capacitor 203 are load charging
After current converter 208 or low pressure difference linear voltage regulator 209 are handled, driving current is provided for load, proof load can be normal
Work.Specifically, may refer to Fig. 3 A and Fig. 3 B, DC-DC converter 208, low pressure difference linear voltage regulator are respectively illustrated
209, the annexation figure of battery 202 and super capacitor 203.
It should be noted that Fig. 3 A and Fig. 3 B are only used as exemplary connection figure, it in practical applications, can be according to practical feelings
Condition is attached, and the utility model embodiment is it is not limited here.
The power supply device provided through this embodiment, what current detection circuit detection loaded needs current circuit, and
The electric current that will test is sent to controller, and when determining that load needs electric current to be greater than predetermined current by controller, control is for establishing by cable
It closes and closes, so that controlling super capacitor is load supplying；Meanwhile the electricity of electric quantity detecting circuit detection super capacitor, and will inspection
The electricity measured is sent to controller, and when determining the electricity of super capacitor less than or equal to default electricity by controller, control is filled
Electric switch closure guarantees that super capacitor electricity is sufficient to control power supply as super capacitor charging.As it can be seen that through this embodiment
The power supply device of offer, on the one hand, transient peak high current is provided for load by super capacitor, it can be with proof load
It works normally, on the other hand, alleviates the output burden of small-capacity cells, while mitigating and rushing to battery high current charge-discharge
It hits, greatly extends battery life.
Embodiment three
Based on the power supply device that above embodiments improve, the utility model additionally provides a kind of power source supply method,
Its working method is described in detail below with reference to flow chart.
This method can be applied in Fig. 1 and power supply device shown in Fig. 2.
The power supply device includes: current detection circuit, battery, super capacitor and controller；This method comprises:
Detection load needs electric current；Judge when electric current being needed to be greater than predetermined current of the load, controls described super
Capacitor and battery parallel connection are load supplying simultaneously.
In specific implementation, current detection circuit be used for detect load need electric current；Controller is used to judge load
When electric current being needed to be greater than predetermined current, control super capacitor and battery parallel connection is load supplying simultaneously.
The method of supplying power to of body through this embodiment, when controller determines that the load needs electric current to be greater than predetermined current,
It then controls super capacitor and battery parallel connection while being load supplying, to provide transient peak big electricity for load by super capacitor
Stream, can work normally with proof load, meanwhile, the output burden of small-capacity cells is alleviated, while mitigating to the big electricity of battery
The impact for flowing charge and discharge, greatly extends battery life.
For ease of understanding, it describes in detail below with reference to method of supplying power to shown in Fig. 4, this method can be applied to Fig. 1 extremely
In power supply device shown in Fig. 2.
It referring to fig. 4, is a kind of method of supplying power to flow chart provided by the embodiment of the utility model, this method comprises:
S401: current detection circuit detection load needs electric current, and is sent to controller.
In the present embodiment, the electricity that needs the size of electric current, and will test of current detection circuit real-time detection load
Stream is sent to controller, so that controller carries out corresponding operation according to the size of electric current needed for load.
S402: controller receives electric current selected by the load that current detection circuit is sent, and it is pre- to judge whether the electric current is greater than
If electric current, if so, thening follow the steps S403；If not, thening follow the steps S407.
In specific implementation, the load that controller receives that current detection circuit detects needs the size of electric current and judges to be somebody's turn to do
Whether electric current is greater than predetermined current, if it is greater than predetermined current, thens follow the steps S403；If the electric current is less than or equal to default
Electric current thens follow the steps S407.
S403: controller controls power switch closure, and control super capacitor and battery parallel connection is load supplying simultaneously.
In the present embodiment, electric current electric current needed for controller is determined and loaded then controls super electricity greater than predetermined current
Hold and battery is in parallel while being load supplying, is battery supplemental capacity by the super super capacitor with high output power, from
And meeting the needs of load is to high current, proof load can work normally.
S404: electricity electrical measurement circuit detects the electricity of super capacitor, and is sent to controller.
It in practical applications, is to guarantee that the electricity of super capacitor is sufficient, so as to when load needs instantaneous large-current,
It can star super capacitor repid discharge, energy be provided, electric quantity detecting circuit need to detect the electricity of super electricity, and will test
The electricity of super capacitor is sent to controller.
S405: controller receives the electricity for the super capacitor that electric quantity detecting circuit is sent, and judges whether the electricity is less than
Or it is equal to default electricity, if so, thening follow the steps S406；If not, thening follow the steps S408.
In the present embodiment, the electricity of electric quantity detecting circuit detection super capacitor, and the electricity for the super capacitor that will test
Amount is sent to controller, judges whether the electricity of super capacitor is less than or equal to default electricity by controller, when super capacitor
When electricity is less than or equal to default electricity, S406 is thened follow the steps；If the electricity of super capacitor is greater than default electricity, execute
Step S408.
S406: controller controls charge switch closure, controls power supply as super capacitor charging.
In the present embodiment, when controller determines that the electricity of super capacitor is less than or equal to default electricity, then controller
Control power supply is that super capacitor charges while for battery charging, thus guarantee that super capacitor has the electricity of abundance,
It is load supplying when load needs instantaneous large-current, to can star super capacitor, load is maintained to work normally.
S407: control battery is load supplying.
In the present embodiment, electric current electric current needed for controller is determined and loaded then is kept less than or equal to predetermined current
Original power supply state is load supplying by battery.
S408: control power supply is only battery charging.
In the present embodiment, when controller determines that the electricity of super capacitor is greater than default electricity, then keeping power supply is only electricity
The state that pond is charged.
By method of supplying power to provided by the embodiment of the utility model, what current detection circuit detection loaded needs electric current, and
The electric current that will test is sent to controller, and when electric current needed for determining load by controller is greater than predetermined current, control is for establishing by cable
It closes and closes, so that controlling super capacitor is load supplying；Meanwhile the electricity of electric quantity detecting circuit detection super capacitor, and will inspection
The electricity measured is sent to controller, and when determining the electricity of super capacitor less than or equal to default electricity by controller, control is filled
Electric switch closure guarantees that super capacitor electricity is sufficient to control power supply as super capacitor charging.As it can be seen that through this embodiment
The power supply device of offer, on the one hand, transient peak high current is provided for load by super capacitor, it can be with proof load
It works normally, on the other hand, alleviates the output burden of small-capacity cells, while mitigating and rushing to battery high current charge-discharge
It hits, greatly extends battery life.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Although the utility model has been disclosed with preferred embodiment as above, it is not intended to limit the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solutions of the utility model, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modifications, equivalents, and modifications that upper embodiment is done still fall within the model of technical solutions of the utility model protection
In enclosing.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (9)
1. a kind of power supply device characterized by comprising current detection circuit, battery, super capacitor and controller；
The current detection circuit, for detect load need electric current；
The controller controls the super capacitor and institute for determining when electric current being needed to be greater than predetermined current of the load
It states battery parallel connection while being the load supplying.
2. power supply device according to claim 1, which is characterized in that further include: electric quantity detecting circuit；
The electric quantity detecting circuit, for detecting the electricity of the super capacitor；
The controller, when being also used to determine that the electricity of the super capacitor is less than or equal to default electricity, control power supply is electricity
It charges while pond is charged for the super capacitor.
3. power supply device according to claim 1, which is characterized in that further include power switch；
The first end of the first end connection super capacitor of the power switch, the second end of the power switch connect the load
First end, the second end of the load connects the second end of the super capacitor；
The controller is the load supplying by controlling the power switch closure to control the super capacitor.
4. power supply device according to claim 2, which is characterized in that further include: charge switch；
The first end of the charge switch connects the first end of the power supply, and the second end connection of the charge switch is described super
The first end of capacitor, the second end of the super capacitor connect the second end of the power supply；
The controller is by controlling the charge switch closure control power supply as super capacitor charging.
5. power supply device according to claim 2 or 4, which is characterized in that the first end of the battery connects load
First end, the battery second end connection load second end.
6. power supply device according to claim 1-4, which is characterized in that further include: DC-dc conversion
Device；
The DC-DC converter, for being born after being converted the voltage of the battery and super capacitor output to described
Carry power supply.
7. power supply device according to claim 1-4, which is characterized in that further include: low pressure difference linearity is steady
Depressor；
The low pressure difference linear voltage regulator, for will be born after the voltage progress pressure stabilizing of the battery and super capacitor output to described
Carry power supply.
8. power supply device according to claim 1, which is characterized in that the current detection circuit is Current Mutual Inductance
Device.
9. power supply device according to claim 1-4, which is characterized in that the load is camera, base band
Module or motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820116622.4U CN208190332U (en) | 2018-01-23 | 2018-01-23 | A kind of power supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820116622.4U CN208190332U (en) | 2018-01-23 | 2018-01-23 | A kind of power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110879A (en) * | 2018-01-23 | 2018-06-01 | 北京华大智宝电子系统有限公司 | A kind of power supply device and method of supplying power to |
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2018
- 2018-01-23 CN CN201820116622.4U patent/CN208190332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110879A (en) * | 2018-01-23 | 2018-06-01 | 北京华大智宝电子系统有限公司 | A kind of power supply device and method of supplying power to |
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