CN208062839U - Cell managing device - Google Patents
Cell managing device Download PDFInfo
- Publication number
- CN208062839U CN208062839U CN201820407089.7U CN201820407089U CN208062839U CN 208062839 U CN208062839 U CN 208062839U CN 201820407089 U CN201820407089 U CN 201820407089U CN 208062839 U CN208062839 U CN 208062839U
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- China
- Prior art keywords
- supply control
- energy supply
- control modules
- pins
- connect
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
This application discloses cell managing devices, it includes LM5118 energy supply control modules, the voltage output end of the LM5118 energy supply control modules simultaneously connects concatenated first resistor and second resistance, and the connection midpoint between first resistor and second resistance is connect with the FB pins of the LM5118 energy supply control modules to form backfeed loop.Utility model device can realize taking over seamlessly between constant-current charge process and constant-voltage charge process, it is ensured that battery pack it is safe to use.
Description
Technical field
This application involves wireless power and field of battery management more particularly to a kind of cell managing devices.
Background technology
Wireless power technology is to carry out the transmission of electric energy and energy to power supply unit in a non-contact manner, it is appreciated that
Connecting each other and converting between electricity, magnetic, it is convenient to solve the problems in people's daily life.
In use, production technology, the difference of use environment cause the inconsistency of battery pack to be gradually expanded, may
Occur overcharging, cross the danger put with hot-spot, seriously affects the service life and safety of battery pack.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model to provide a kind of cell managing device, can realize
Taking over seamlessly between constant-current charge process and constant-voltage charge process, it is ensured that battery pack it is safe to use.
In order to solve the above technical problems, the cell managing device of the utility model, including LM5118 energy supply control modules, institute
It states the voltage output end of LM5118 energy supply control modules and connects concatenated first resistor and second resistance, first resistor and the second electricity
Connection midpoint between resistance is connect with the FB pins of the LM5118 energy supply control modules to form backfeed loop.
As the improvement of device described in the utility model, in the COMP pins and FB of the LM5118 energy supply control modules
Between pin and concatenated 3rd resistor and the first capacitance are connect to form Voltage loop.
Another kind as device described in the utility model improves, in one end of the first resistor and the LM5118
An amplifier controller is concatenated between the FB pins of energy supply control module to form electric current loop, the input terminal of the amplifier controller it
Once the 4th resistance eutral grounding.
As another improvement of device described in the utility model, the VCCX pins of the LM5118 energy supply control modules
It is connect with pi regulator.
As being further improved for device described in the utility model, the HO pins of the LM5118 energy supply control modules with
First metal-oxide-semiconductor connects, and the LO pins of the LM5118 energy supply control modules are connect with the second metal-oxide-semiconductor, the first metal-oxide-semiconductor and second
The first inductor is connected between metal-oxide-semiconductor, first metal-oxide-semiconductor is also connect with the pi regulator.
As device described in the utility model another improvement, the VCC pins of the LM5118 energy supply control modules with
RC filter circuits are connected between power input.
According to the utility model, by the cooperation of LM5118 energy supply control modules and backfeed loop, backfeed loop is to output
Voltage is measured in real time, by sending signal to energy supply control module and based on the adjustment of output voltage feedback factor, realizing
The flexible of battery constant pressure and flow stage switches and controls the continual and steady of battery constant-voltage phase.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model
It will become clearer.
Description of the drawings
Fig. 1 is the structural schematic diagram according to an embodiment of utility model device.
Fig. 2 is the schematic diagram of the application scenarios of Fig. 1 shown devices.
For clarity, these attached drawings are figure that is schematic and simplifying, they are only gived for understanding that this practicality is new
Details necessary to type, and omit other details.
Specific implementation mode
The embodiments and examples of the utility model are described in detail with reference to the accompanying drawings.
By detailed description given below, the scope of application of the utility model will be evident.It will be appreciated, however, that
While detailed description and specific example show the preferred embodiment in the utility model, they are provided only for illustration purpose.
Fig. 1 shows the structural schematic diagram of an embodiment of cell managing device according to the present utility model.The cell tube
It includes LM5118 energy supply control modules to manage device.LM5118 energy supply control modules are a kind of wide-voltage range buck/boost switches
Voltage-stabilizing controller has the advantages that realize high-performance and cost-effective using minimum external module.Be less than when input voltage or
When higher than output voltage, buck/boost topology can make output voltage keep stablizing.Output voltage after input voltage is than adjusting
When sufficiently large, LM5118 will be used as voltage-releasing voltage stabilizer to run, and phase is gradually transitions close to output voltage then as input voltage
The buck/boost pattern answered.
As shown in fig. 1, the i.e. the 5th electricity of RC filter circuits is connected between the VCC pins and 48V power inputs of LM5118
Hinder R1 and the second capacitance C1.48V inputs are powered LM5118 energy supply control modules, and R1, C1 realize input filter function.
The voltage output end of LM5118 energy supply control modules simultaneously meets concatenated first resistor R4 and second resistance R5, and first
The FB pins at connection midpoint and LM5118 between resistance R4 and second resistance R5 are connected to form backfeed loop, the backfeed loop
Output voltage is measured in real time.
Between the COMP pins and FB pins of LM5118 energy supply control modules and connect the electricity of concatenated 3rd resistor R2 and first
Hold C3 to form Voltage loop, output voltage is regulated and controled.
The VCCX pins of LM5118 are connect with pi regulator, and the HO pins of LM5118 are connect with the first MOS pipes M1,
The LO pins of LM5118 are connect with the second metal-oxide-semiconductor M2, and the first inductor is connected between the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2
L2, the first metal-oxide-semiconductor M1 are also connect with pi regulator, and the first inductor L2 is also connect through diode D1 with first resistor device R4.
LM5118 energy supply control modules realize the current control during constant-current charging of battery by pi regulator.Voltage/current is through two
Pole pipe D1 output, a portion electric energy by first resistor R4 enter FB pins formed feedback and by Voltage loop electric current loop into
Row is adjusted.When M1 is open-minded, energy supply control module is high level, and main circuit is BUCK patterns.When M1, L2, M2 simultaneously it is open-minded, be
BUCK-BOOST patterns.L2 plays the role of afterflow and energy storage.
An amplifier controller is concatenated between one end of first resistor R4 and the FB pins of LM5118 energy supply control modules with shape
At electric current loop, the input terminal of amplifier controller is grounded once the 4th resistance R3, another input terminal of amplifier controller and first
One end of resistance R4 connects, and the output of amplifier controller is connect with the FB pins of LM5118, and amplifier controller is also with LM5118's
VCCX pins connect.LM5118 energy supply control modules are detected output current by the electric current loop, regulate and control.
Energy supply control module is by receiving such as control signal from battery management system and being fed back based on output voltage
The adjustment of coefficient is realized controls of the LM5118 to Voltage loop, electric current loop, is flexibly switched in the battery constant pressure and flow stage to realize
And it is continual and steady in control battery constant-voltage phase.
The cell managing device of embodiment illustrated in fig. 1 has the advantages that real time monitoring and detection；Strong with scalability
Advantage can easily improve place capacity by improving energy storage device capacity；And have the advantages that output voltage soft start, energy
Effectively avoid the impact in battery charging process to battery.
Fig. 2 shows the schematic diagrames of the application scenario of cell managing device according to the present utility model.The utility model
Cell managing device is connected between 48V power supplys and battery, realizes the management charged, used to battery.
Multiple and different embodiments or its a particular feature, structure, or characteristic described herein can be at one of the utility model
Or it is appropriately combined in multiple embodiments.
Unless explicitly stated otherwise, singulative as used herein " one ", "the", which include plural reference, (has " at least one "
The meaning).It will be further understood that terminology used herein " having ", " include " and or " include " show in the presence of described
Feature, step, operations, elements, and/or components, but do not preclude the presence or addition of other one or more features, step, behaviour
Work, component, assembly unit and/or a combination thereof.Term "and/or" as used in this includes one or more relevant items enumerated
Any and all combination.
Some preferred embodiments of the utility model are foregoing described, it should be emphasized, however, that the utility model not office
It is limited to these embodiments, but can be realized with the other manner in the utility model subject area.Those skilled in the art can be with
The utility model is made in the inspiration of the utility model technical concept and do not depart from the utility model content on the basis of various
Variants and modifications, these variations or modifications are still fallen within the scope of protection of the utility model.
Claims (6)
1. a kind of cell managing device, which is characterized in that the cell managing device includes LM5118 energy supply control modules, described
The voltage output end of LM5118 energy supply control modules simultaneously connects concatenated first resistor and second resistance, first resistor and second resistance
Between connection midpoint connect with the FB pins of the LM5118 energy supply control modules to form backfeed loop.
2. cell managing device according to claim 1, which is characterized in that in the LM5118 energy supply control modules
Between COMP pins and FB pins and concatenated 3rd resistor and the first capacitance are connect to form Voltage loop.
3. cell managing device according to claim 1, which is characterized in that one end of the first resistor with it is described
An amplifier controller is concatenated between the FB pins of LM5118 energy supply control modules to form electric current loop, the amplifier controller it is defeated
Enter end once the 4th resistance eutral grounding.
4. cell managing device according to claim 1, which is characterized in that the VCCX of the LM5118 energy supply control modules
Pin is connect with pi regulator.
5. cell managing device according to claim 4, which is characterized in that the HO of the LM5118 energy supply control modules is inserted
Foot is connect with the first metal-oxide-semiconductor, and the LO pins of the LM5118 energy supply control modules are connect with the second metal-oxide-semiconductor, the first metal-oxide-semiconductor and
The first inductor is connected between two metal-oxide-semiconductors, first metal-oxide-semiconductor is also connect with the pi regulator.
6. cell managing device according to claim 1, which is characterized in that the VCC of the LM5118 energy supply control modules
RC filter circuits are connected between pin and power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407089.7U CN208062839U (en) | 2018-03-23 | 2018-03-23 | Cell managing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407089.7U CN208062839U (en) | 2018-03-23 | 2018-03-23 | Cell managing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208062839U true CN208062839U (en) | 2018-11-06 |
Family
ID=63988384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820407089.7U Active CN208062839U (en) | 2018-03-23 | 2018-03-23 | Cell managing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208062839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172361A (en) * | 2021-11-08 | 2022-03-11 | 北京卫星制造厂有限公司 | Aerospace low-voltage BUCK anti-interference and delay starting circuit |
-
2018
- 2018-03-23 CN CN201820407089.7U patent/CN208062839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172361A (en) * | 2021-11-08 | 2022-03-11 | 北京卫星制造厂有限公司 | Aerospace low-voltage BUCK anti-interference and delay starting circuit |
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