CN207910498U - Battery feed circuit and plate circuit - Google Patents
Battery feed circuit and plate circuit Download PDFInfo
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- CN207910498U CN207910498U CN201721925615.0U CN201721925615U CN207910498U CN 207910498 U CN207910498 U CN 207910498U CN 201721925615 U CN201721925615 U CN 201721925615U CN 207910498 U CN207910498 U CN 207910498U
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Abstract
The utility model is related to a kind of battery feed circuit and plate circuits, including：First switch, the first conversion circuit, the second conversion circuit, electric quantity detecting circuit and ON-OFF control circuit；Battery is connected with the first switch and second conversion circuit respectively, the first switch is connected by the first conversion circuit with the first load of equipment, second conversion circuit is connected by the second load of equipment with electric quantity detecting circuit, electric quantity detecting circuit is connected with battery and ON-OFF control circuit respectively, and ON-OFF control circuit is connected with the first switch.Above-mentioned battery feed circuit improves the utilization rate of battery.
Description
Technical field
The utility model is related to power supply technique fields, more particularly to a kind of battery feed circuit and plate circuit.
Background technology
Technology is increasingly becoming respectively with machinery, the high speed development of electronics and informationized society, efficiently using for battery power
The object of state's primary study.
Traditional battery feed circuit includes protection circuit and conversion circuit, and battery is in power supply, mainly by battery
Through overprotection circuit and then the device by being converted between high-low pressure direct current (Direct Current/Direct Current,
DC/DC) or the conversion circuits such as low pressure difference linear voltage regulator (low dropout regulator, LDO) are converted into the electricity needed
Then pressure gives the different loads circuit of equipment to power.Battery is by battery feed circuit power supply to the device, still, when battery is logical
When crossing traditional battery feed circuit power supply to the device, if sufficient electric energy can not be provided for equipment, battery is needed replacing, electricity
The utilization rate in pond is not high.
Utility model content
Based on this, it is necessary to for the not high problem of utilization rate of battery, provide a kind of battery feed circuit and plate electrode electricity
Road.
Wherein, the utility model embodiment provides a kind of battery feed circuit, including：
First switch, the first conversion circuit, the second conversion circuit, electric quantity detecting circuit and ON-OFF control circuit；
Battery is connected with the first switch and second conversion circuit respectively, and the first switch passes through first turn
It changes circuit with the first load of equipment to be connected, second conversion circuit passes through the second load of equipment and electric quantity detecting circuit
It is connected, electric quantity detecting circuit is connected with battery and ON-OFF control circuit respectively, ON-OFF control circuit and the first switch
It is connected.
Above-mentioned battery feed circuit, by adding first switch before the first conversion circuit, after light loading section
In addition electric quantity detecting circuit, the electricity of battery is detected by electric quantity detecting circuit, and control according to the electricity detected
The state of one switch can control first switch when battery capacity does not supply heavy-loaded circuit by ON-OFF control circuit
It disconnects, battery can continue as light loading section power supply, improve the utilization rate of battery.
In one embodiment, the battery feed circuit, the electric quantity detecting circuit detect the electricity of battery respectively
Electricity with second load is detected, the first testing result is sent to ON-OFF control circuit；
The ON-OFF control circuit receives first testing result, and first switch control letter is sent to the first switch
Number.
In one embodiment, the battery feed circuit further includes：
Protect circuit；
The protection circuit is connected with battery, first switch circuit and the second conversion circuit respectively.
In one embodiment, the battery feed circuit further includes：Respectively with protection circuit, the second conversion circuit
And the second switch that electric quantity detecting circuit is connected.
In one embodiment, the battery feed circuit, the electric quantity detecting circuit detect the electricity of battery respectively
Electricity with second load is detected, the second testing result is sent to ON-OFF control circuit；
The ON-OFF control circuit receives second testing result, and first switch control letter is sent to the first switch
Number, it sends second switch to the second switch and controls signal.
In one embodiment, the battery feed circuit, second load includes storage-type flash memory or code-shaped
The memory of flash memory.
In one embodiment, the battery feed circuit, the first switch and/or second switch are controllable type electricity
Sub switch.
In one embodiment, the battery feed circuit, first conversion circuit and/or the second conversion circuit are
Conversion equipment between high-low pressure direct current.
In one embodiment, the battery feed circuit, first conversion circuit and/or the second conversion circuit are
Low voltage difference line style voltage-stablizer.
The embodiments of the present invention also provide a kind of plate circuit, including：Battery interface and power supply circuit；The power supply
Circuit is the battery feed circuit in above-described embodiment.
Above-mentioned plate circuit is added by adding first switch before the first conversion circuit after light loading section
Electric quantity detecting circuit is detected the electricity of battery by electric quantity detecting circuit, and is opened according to the electricity detected to control first
The state of pass can control first switch by ON-OFF control circuit and disconnect when battery capacity does not supply heavy-loaded circuit,
Battery can continue as light loading section power supply, improve the utilization rate of battery.
Description of the drawings
Fig. 1 is the battery feed circuit in the existing individual equipment of the utility model one embodiment；
Fig. 2 is the battery feed circuit of the utility model first embodiment；
Fig. 3 is the battery feed circuit of the utility model second embodiment；
Fig. 4 is the battery feed circuit of the utility model 3rd embodiment；
Fig. 5 is the battery feed circuit of the utility model fourth embodiment.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Battery feed circuit in the utility model embodiment can be used for the echelon power supply of same equipment inner panel level power supply.Electricity
Pond after echelon utilization, can also individually set between multiple equipment by the battery feed circuit in the utility model embodiment
It is standby above to continue echelon utilization, further improve the utilization rate of battery.
Fig. 1 is the battery feed circuit in existing individual equipment, battery after overprotection circuit, by DCDC or
The conversion circuits such as LDO are converted into required voltage, then different load circuits are given to power.But when battery cannot set for this
When standby interior all loads provide sufficient electrical energy, it is necessary to replace battery, the utilization rate of battery is not high.
Based on existing battery feed circuit, the utility model embodiment provides a kind of battery feed circuit, such as Fig. 2 institutes
Show, including：First switch, the first conversion circuit, the second conversion circuit, electric quantity detecting circuit and ON-OFF control circuit；
Battery is connected with the first switch and second conversion circuit respectively, and the first switch passes through first turn
It changes circuit with the first load of equipment to be connected, second conversion circuit passes through the second load of equipment and electric quantity detecting circuit
It is connected, electric quantity detecting circuit is connected with battery and ON-OFF control circuit respectively, ON-OFF control circuit and the first switch
It is connected.
Above-mentioned first load can be the heavy duty part in equipment, and the second load can be the light load portion in equipment
Point.Gently load and heavy duty are all opposite herein, and the numerical value not loaded herein to heavy duty and gently does specific restriction.It is same
In a equipment, impedance matching and the power that can bear just are regarded as heavy duty, resistance with respect to what other loads belonged to " heavy type "
Anti- matching and the power that can bear belong to " light-duty " with respect to other loads and are regarded as gently loading.
In one embodiment, electric quantity detecting circuit can detect electricity and detection second load of battery respectively
Electricity sends the first testing result to ON-OFF control circuit；The ON-OFF control circuit receives first testing result, to institute
It states first switch and sends first switch control signal；
Specifically, electric quantity detecting circuit can be connected with light loading section, and electric quantity detecting circuit can detect battery
Real time electrical quantity, and testing result is sent to ON-OFF control circuit, ON-OFF control circuit controls first according to testing result
The opening and closing of switch.As shown in figure 3, when battery capacity is inadequate, can part by a dotted line, first switch is opened,
Battery is only that light loading section is powered.
Above-described embodiment, by adding first switch before the first conversion circuit, plus electricity after light loading section
Detection circuit is measured, the electricity of battery is detected by electric quantity detecting circuit, and first switch is controlled according to the electricity detected
State, when battery capacity does not supply heavy-loaded circuit, can pass through ON-OFF control circuit control first switch disconnect, electricity
Pond can continue as light loading section power supply, improve the utilization rate of battery.
In view of power circuit, there are some destabilizing factors, as shown in figure 4, can also be after power supply plus protection electricity
Road；The protection circuit is connected with battery, first switch circuit and the second conversion circuit respectively.
Above-mentioned protection circuit can prevent destabilizing factor from influencing circuit work, protect the type of circuit that can be：Overcurrent
Protection, overvoltage protection, overheating protection, no-load protection, short-circuit protection etc..
By protecting circuit that the component in circuit can be prevented because of the overcurrent of circuit, overvoltage, overheat, zero load and short circuit
Etc. reasons and damage, the safety of circuit can be improved.
In one embodiment, battery feed circuit is as shown in figure 5, can also include：Respectively with protection circuit, second turn
Change the second switch that circuit and electric quantity detecting circuit are connected.
In above-described embodiment, the original state of first switch and the second switch can be closed state, work as electric power detection
Circuit detects that the electricity of battery not enough provides the electricity of enough abundances for equipment, but enough in the first load or the second load
One when electricity is provided, a switch in first switch or second switch can be disconnected by control come the part for equipment
Load supplying.As embodiment, the light loading section of the core of electric quantity detecting circuit and equipment can be connected, in not enough power supply
When, the state prior by controlling switch is powered to core load part.
Above-described embodiment is added by adding first switch before the first conversion circuit before the second conversion circuit
Second switch adds electric quantity detecting circuit after light loading section, the electricity of battery is detected by electric quantity detecting circuit, and
The state that first switch and the second switch is controlled according to the electricity detected, when battery capacity does not supply heavy-loaded circuit
When, first switch can be controlled by ON-OFF control circuit and disconnected, battery can continue as light loading section power supply, improve electricity
The utilization rate in pond.
In one embodiment, the electric quantity detecting circuit can receive the electricity that battery is sent with second load respectively
Signal is measured, and first control signal is sent to the first switch, second control signal is sent to the second switch.
In above-described embodiment, electric quantity detecting circuit can control the according to the electric quantity signal that battery and the second load are sent
The state of one switch and second switch.When battery capacity is only enough a part of load supplying in equipment, disconnection can be passed through
First switch or second switch continue to power for the part in equipment.
Above-described embodiment is added by adding first switch before the first conversion circuit before the second conversion circuit
Second switch adds electric quantity detecting circuit after light loading section, the electricity of battery is detected by electric quantity detecting circuit, and
The state that first switch and the second switch is controlled according to the electricity detected, when battery capacity does not supply heavy-loaded circuit
When, first switch can be controlled by ON-OFF control circuit and disconnected, battery can continue as light loading section power supply, improve electricity
The utilization rate in pond.
In one embodiment, in the battery feed circuit, second load includes memory.Memory one
As gently loaded for the core of equipment, can also be core if battery can not give the heavy duty part of equipment to power
The memory portion especially Nand Flash (storage-type flash memory) of light load supplying, core will not partly fall because of moment
Electricity and go wrong (defect of Nand Flash itself can exactly go wrong because of powered-off fault).
In one embodiment, above-mentioned memory can be storage-type flash memory or code-shaped flash memory.
Storage-type flash memory or code-shaped flash memory are all one kind of flash memory, and flash memory is that a kind of electronic type can be clear
Except the form of programmable read-only memory, allow the memory repeatedly wiped or write in operation.This science and technology is mainly used for one
As the storage of property data, and transmission data is exchanged between computer and other digital products, such as memory card and USB flash disk.Compared with hard disk,
Flash memory also has more preferably dynamic shock resistance.These characteristics are exactly the widely used reason of flash memory mobile device.Flash memory also has one
Item characteristic：It is very reliable when it is made into memory card, it is enough to resist high pressure and extreme temperature under water.
In one embodiment, the first switch in the battery feed circuit and/or second switch are single-pole double throw
Switch.
In above-described embodiment, single-pole double-throw switch (SPDT) can control power supply and be exported to two different directions, that is to say, that can
To be used for controlling two parts load, or same equipment can also be controlled and make conversion rotation direction use.If above-mentioned power supply supplies
Switch is single-pole double-throw switch (SPDT) used by circuit, then can also be finely divided heavy duty part and light loading section again,
Such as heavy duty part is separated into the first heavy duty part and the second heavy duty part, it is light negative that light loading section is separated into first
Carry part and the second light loading section.The closed end that single-pole double-throw switch (SPDT) is controlled according to the battery capacity detected, can be cleverer
The part that load is accessed in ground living control circuit, can preferably improve the utilization rate of battery.
In another embodiment, the first switch in the battery feed circuit and/or second switch can also be
Controllable type electronic switch.
Controllable type electronic switch in above-described embodiment can control the break-make of electronic switch by electric quantity detecting circuit,
To reach switch/closed state of adjustment controllable type electronic switch in time.Wherein, electric quantity detecting circuit can existing be had
Accurate monitoring and control to battery may be implemented in the circuit of electric quantity detection function and switch control functions.
Above-described embodiment, by adding first switch before the first conversion circuit, plus electricity after light loading section
Detection circuit is measured, the electricity of battery is detected by electric quantity detecting circuit, and first switch is controlled according to the electricity detected
State, when battery capacity does not supply heavy-loaded circuit, can pass through ON-OFF control circuit control first switch disconnect, electricity
Pond can continue as light loading section power supply, improve the utilization rate of battery.
In one embodiment, the battery feed circuit, the first switch and/or second switch can be MOS
It manages (metal oxide semiconductor, mos field effect transistor).
Metal-oxide-semiconductor is divided into N-type or p-type, no matter the metal-oxide-semiconductor of N-type or p-type, operation principle essence is the same, be all by
The voltage for being added in input terminal grid carrys out the electric current of control output end drain electrode.Metal-oxide-semiconductor, which is voltage-controlled device, passes through the electricity being added on grid
As the charge-storage effect caused by base current when triode switchs, therefore the characteristic of pressure controller part will not occur
In switch application, the switching speed of metal-oxide-semiconductor is faster than triode.
In one embodiment, first conversion circuit in battery feed circuit and/or the second conversion circuit are height
Conversion equipment (Direct Current/Direct Current, DC/DC) between low-voltage direct.
The direct current of input is changed into alternating current by conversion equipment between above-mentioned high-low pressure direct current by self-maintained circuit,
It is reconverted into direct current electricity output after changing voltage by transformer again, or is converted to alternating current by voltage doubling rectifing circuit
High voltage direct current electricity output.
Above-described embodiment, by adding first switch before the first conversion circuit, plus electricity after light loading section
Detection circuit is measured, the electricity of battery is detected by electric quantity detecting circuit, and first switch is controlled according to the electricity detected
State, when battery capacity does not supply heavy-loaded circuit, can pass through ON-OFF control circuit control first switch disconnect, electricity
Pond can continue as light loading section power supply, improve the utilization rate of battery.
In another embodiment, first conversion circuit in battery feed circuit and/or the second conversion circuit are
Low voltage difference line style voltage-stablizer (LDO low dropout linear regulator, LDO).
Above-mentioned low voltage difference line style voltage-stablizer can be used for the control of electric current main channel, be integrated on chip with being led on extremely low line
Be powered the mos field effect transistor hindered, the hardware electricity such as Schottky diode, sample resistance and divider resistance
Road also has the function of such as load short circuits protection, overvoltage shutdown, crosses Thermal shutdown, reverse connecting protection others.
Above-described embodiment, by adding first switch before the first conversion circuit, plus electricity after light loading section
Detection circuit is measured, the electricity of battery is detected by electric quantity detecting circuit, and first switch is controlled according to the electricity detected
State, when battery capacity does not supply heavy-loaded circuit, can pass through ON-OFF control circuit control first switch disconnect, electricity
Pond can continue as light loading section power supply, improve the utilization rate of battery.
The utility model also provides a kind of plate circuit, including：Battery interface and power supply circuit；
The corresponding embodiment of battery feed circuit embodiment corresponding with above-mentioned battery feed circuit is similar, this
Place repeats no more；
The battery interface can access battery, and power supply is provided for the battery feed circuit.
In the above-described embodiments, battery and battery feed circuit can be all integrated on plate circuit, reduce power supply
The volume of device.
Above-described embodiment, by adding first switch before the first conversion circuit, plus electricity after light loading section
Detection circuit is measured, the electricity of battery is detected by electric quantity detecting circuit, and first switch is controlled according to the electricity detected
State, when battery capacity does not supply heavy-loaded circuit, can pass through ON-OFF control circuit control first switch disconnect, electricity
Pond can continue as light loading section power supply, improve the utilization rate of battery.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of battery feed circuit, which is characterized in that including：
First switch, the first conversion circuit, the second conversion circuit, electric quantity detecting circuit and ON-OFF control circuit；
Battery is connected with the first switch and second conversion circuit respectively, and the first switch passes through the first conversion electricity
Road is connected with the first load of equipment, and second conversion circuit is connected by the second load of equipment with electric quantity detecting circuit
It connects, electric quantity detecting circuit is connected with battery and ON-OFF control circuit respectively, and ON-OFF control circuit is connected with the first switch
It connects.
2. battery feed circuit according to claim 1, which is characterized in that the electric quantity detecting circuit detects battery respectively
Electricity with detect it is described second load electricity, to ON-OFF control circuit send the first testing result；
The ON-OFF control circuit receives first testing result, and sending first switch to the first switch controls signal.
3. battery feed circuit according to claim 1, which is characterized in that further include：
Protect circuit；
The protection circuit is connected with battery, first switch circuit and the second conversion circuit respectively.
4. battery feed circuit according to claim 3, which is characterized in that further include：Respectively with protection circuit, second turn
Change the second switch that circuit and electric quantity detecting circuit are connected.
5. battery feed circuit according to claim 4, which is characterized in that the electric quantity detecting circuit detects battery respectively
Electricity with detect it is described second load electricity, to ON-OFF control circuit send the second testing result；
The ON-OFF control circuit receives second testing result, and sending first switch to the first switch controls signal,
Second switch, which is sent, to the second switch controls signal.
6. battery feed circuit according to claim 1, which is characterized in that it is described second load include storage-type flash memory or
The memory of code-shaped flash memory.
7. battery feed circuit according to claim 4, which is characterized in that the first switch and/or second switch are
Controllable type electronic switch.
8. battery feed circuit according to claim 1, which is characterized in that first conversion circuit and/or second turn
Change circuit conversion equipment between high-low pressure direct current.
9. battery feed circuit according to claim 1, which is characterized in that first conversion circuit and/or second turn
It is low voltage difference line style voltage-stablizer to change circuit.
10. a kind of plate circuit, which is characterized in that including：Battery interface and power supply circuit；The power supply circuit is claim
Battery feed circuit described in 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925615.0U CN207910498U (en) | 2017-12-28 | 2017-12-28 | Battery feed circuit and plate circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925615.0U CN207910498U (en) | 2017-12-28 | 2017-12-28 | Battery feed circuit and plate circuit |
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| Publication Number | Publication Date |
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| CN207910498U true CN207910498U (en) | 2018-09-25 |
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ID=63566206
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721925615.0U Active CN207910498U (en) | 2017-12-28 | 2017-12-28 | Battery feed circuit and plate circuit |
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| CN (1) | CN207910498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233470A (en) * | 2017-12-28 | 2018-06-29 | 广州邦讯信息系统有限公司 | Battery feed circuit |
-
2017
- 2017-12-28 CN CN201721925615.0U patent/CN207910498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233470A (en) * | 2017-12-28 | 2018-06-29 | 广州邦讯信息系统有限公司 | Battery feed circuit |
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