CN105789718B - A kind of constant pressure export structure component and use its rechargeable battery - Google Patents
A kind of constant pressure export structure component and use its rechargeable battery Download PDFInfo
- Publication number
- CN105789718B CN105789718B CN201610250971.0A CN201610250971A CN105789718B CN 105789718 B CN105789718 B CN 105789718B CN 201610250971 A CN201610250971 A CN 201610250971A CN 105789718 B CN105789718 B CN 105789718B
- Authority
- CN
- China
- Prior art keywords
- constant pressure
- substrate
- cathode
- capacitance
- pressure plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4264—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing with capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of constant pressure export structure component, including protection board, constant pressure plate, leading-out terminal and dielectric resilience gasket；Centre bore is provided on the dielectric resilience gasket, central aperture edge is provided with projection portion.Further include the rechargeable battery of the constant pressure export structure component using the present invention; battery core is placed in shell; the openend of shell is equipped with jet-bedding; the openend closing constant pressure export structure component of shell; the anode of battery core is drawn lug and is connected on the other end that first resistor (R1) is connected with the vdd terminal mouth of protection IC, and the cathode of battery core is drawn lug and is connected on the GND ports of the protection IC；Protection board is placed in below the jet-bedding slot position on shell, and dielectric resilience gasket and constant pressure plate are sequentially placed into above the jet-bedding slot position on shell, and cathode output end is in close contact with shell on constant pressure plate.The rechargeable battery of the present invention, it is structure novel, easy to make, can stop voltage output as needed, meet the market demand.
Description
Technical field
The present invention relates to a kind of constant pressure export structure component and use its rechargeable battery.
Background technology
With the development of secondary cell technology, the performance of secondary cell has a quick promotion, while its cost is also substantially
Degree declines, high-energy density that especially secondary cell has, the characteristics of can be recycled, thus has obtained more and more extensive
Using.Such as the rechargeable lithium ion batteries in secondary cell, have become mobile phone, laptop, camera mainly for
Battery, and many one-shot batteries traditional application field such as remote controler, flashlight, toy, secondary cell also by
Step is substituted by one-shot battery.
But secondary cell still has inconvenience compared with one-shot battery on using.One-shot battery does not need to fill
Electricity, and secondary cell needs to be charged with dedicated charger, while in order to keep normal performance, often secondary cell needs
Charging process and electric discharge are managed and are protected using process.The rated voltage of one-shot battery also tends to not with secondary cell
Together, such as the rated voltage of NCM type lithium rechargeable batteries is 3.6V, and common alkaline zinc-manganese dioxide cell rated voltage is
1.5V, so if secondary cell is without voltage management, it is the electricity consumption that cannot be directly applied to one-shot battery under normal circumstances
In equipment, electrical equipment otherwise may be damaged.
Under normal conditions, secondary cell substitutes one-shot battery and is used, it is necessary first to secondary cell is packed,
Secondary cell shell setting charging and discharging protection device, voltage management device can meet the use of one-shot battery equipment to form one
It is required that product.But there are complicated, of high cost, battery packages product the final shape of technology of the package is difficult to control for this method
The problems such as.This seriously constrains secondary cell in the popularization of numerous application fields of one-shot battery and substitutes use.
Therefore, how by the requirement of the performance characteristics combination one-shot battery of secondary cell, by secondary cell battery pipe
Reason, one-shot battery contour structures, one-shot battery use demand plan as a whole optimization, take into account cost and efficiency, propose a new battery
Structure member solution, is just very necessary.
Invention content
For the defects in the prior art, the present invention is intended to provide a kind of constant pressure export structure component, can realize battery
In the electric energy course of work is exported, constant output voltage can be remained, while include charge protection, discharge prevention, mistake
Stream protection, short-circuit protection and structural support, additionally provide a kind of rechargeable battery using this kind of constant pressure export structure component.This
Invention is realized by following scheme：
A kind of constant pressure export structure component, it is described exhausted including protection board, constant pressure plate, leading-out terminal and dielectric resilience gasket
Centre bore is provided on edge elastomeric pad, the thickness of dielectric resilience gasket is typically chosen in 0.1~1.0mm, dielectric resilience gasket
Material for PP, PE, PET, nylon etc..
The protection board is for the protection in battery charging, discharge process, including first substrate, protection IC, first resistor
R1, the first capacitance C1 and the second capacitance C2, the protection IC welding on the first substrate, protect the vdd terminal mouth of IC and GND ends
The first capacitance C1 is concatenated between mouthful, protects and the second capacitance C2 is concatenated between the GND ports of IC and VCC ports, first resistor R1's
One end is connected to the vdd terminal mouth of protection IC and the connection of the first capacitance C1；
The constant pressure plate is for ensureing that battery constant pressure exports, including second substrate, electric pressure converter, inductance, diode, the
Two resistance R2,3rd resistor R3, third capacitance C3, the 4th capacitance C4 and the 5th capacitance C5 are provided with just on the second substrate
Pole output terminal and cathode output end, the electric pressure converter are welded on second substrate, and one end and the voltage of the inductance are converted
The SW ports of device are connected, the other end connection cathode output end of inductance；One end of the diode respectively with electric pressure converter
VIN ports, EN ports be connected, the other end of diode connection cathode output end；The VIN ports of electric pressure converter with
Third capacitance C3 is concatenated between GND ports, the 4th capacitance C4 is concatenated between the FB ports of electric pressure converter and cathode output end, the
Three resistance R3 are attempted by the both ends of the 4th capacitance C4, and the 5th capacitance C5 is attempted by the 4th capacitance C4's after being concatenated with second resistance R2
Both ends and second resistance R2 is serially connected between the FB ports of electric pressure converter and cathode output end；
For the convenience of description, the welding surface of first substrate and second substrate is defined as A faces, on first substrate and second substrate
Electronic component where face be defined as B faces.
The leading-out terminal is arranged on the A faces of the substrate of constant pressure plate, and the anode of leading-out terminal and the constant pressure plate exports
End is connected；The dielectric resilience gasket is arranged on the periphery in the B faces of the substrate of constant pressure plate, and the protection board is arranged on the perseverance
The lower section of pressing plate, the protection board are connected by anode contact pin, cathode contact pin with the constant pressure plate, and the one of the anode contact pin
End is connected on the other end that first resistor R1 is connected with the vdd terminal mouth of protection IC on protection board, the other end of anode contact pin
It connects on the constant pressure plate on the VIN ports of electric pressure converter；One end of the cathode contact pin is connected on the protection board and protects
It protects on two VM ports of IC, the 5th capacitance C5 of the other end connection constant pressure plate of cathode contact pin is connected with second resistance R2
On the one end connect.
Further, it in order to facilitate the connection of anode contact pin, cathode contact pin, is set respectively on the protection board, constant pressure plate
Anode contact pin location hole, cathode contact pin location hole, the anode contact pin location hole on protection board is with first resistor R1 with protection IC's
The other end that vdd terminal mouth is connected connects, and the cathode contact pin location hole on protection board is with protecting two VM ports of IC to connect；It is permanent
Anode contact pin location hole on pressing plate is connected with the VIN ports of electric pressure converter, the cathode contact pin location hole difference on constant pressure plate
It is connected with one end that cathode output end, the 5th capacitance C5 are connected with second resistance R2.
The connection of lug, cathode extraction lug is drawn for convenience of anode, anode extraction pole is provided on the first substrate
Ear tie point B+ and cathode draw lug tie point B-, and the anode draws lug tie point B+ and first resistor R1 and protection IC
Vdd terminal mouth be connected the other end connection, cathode draw lug tie point B- with protection IC GND ports connect.
The B faces of the first substrate and the B faces of the second substrate are opposite, outside the second substrate and mating battery
Shell is closely mating, and the first substrate is identical with the shape of the second substrate and the size of first substrate is less than second substrate
Size.First substrate, second substrate shape can be generally circular in cross section and square according to the change in shape of mating battery case
Shape.
When the first substrate and rounded second substrate, to meet the requirement of protection board and the assembling of constant pressure plate, prevent from protecting
The diameter of backplate is excessive can not to be put into inside mating battery case, and the diameter of protection board is too small, is unfavorable for electronic component
Reasonable Arrangement, the diameter d1 of first substrate meet d-0.50≤d1≤d-0.20, and wherein d is on mating cylindrical shell
Jet-bedding internal diameter；The thickness of the first substrate is 0.6~0.8mm；The jet-bedding being supported on battery case to meet constant pressure plate
The matching requirements of slot position prevent constant pressure board diameter to be more than battery case internal diameter D and can not be put into inside battery case, and constant pressure plate is straight
Diameter is less than the slot position internal diameter d on battery case and can not be formed in the support above slot position, and the thickness of the second substrate is 0.8
~1.2mm, the diameter d2 of second substrate meet D-0.20≤d2≤D-0.05, and wherein D is interior for mating cylindrical shell
Diameter.The dielectric resilience gasket is in annulus, and thickness is 0.1~1.0mm, and outer diameter of a circle is equal to the diameter of second substrate, in
Heart bore dia d3 meets d1+0.05≤d3≤d-0.05, and wherein d is the jet-bedding internal diameter on mating cylindrical shell, and d1 is
The diameter of first substrate.
At least one venthole is provided on the second substrate of the constant pressure plate, to meet inside battery gas under abnormal conditions
The security requirement of release is pressed, while plays buffering sealing compressional deformation function.
A kind of rechargeable battery, including shell and battery core, battery core is placed in shell, and the openend of the shell is equipped with punching
Slot, the openend of shell have also closed off a kind of constant pressure export structure component as described above, the battery core be by anode, cathode,
Membrane winding is formed or molding single battery, and the anode of the battery core draws lug and is connected to first resistor R1 with protecting IC's
On the other end that vdd terminal mouth is connected, the cathode of the battery core is drawn lug and is connected on the GND ports of the protection board；Institute
The jet-bedding slot position lower section that protection board is placed on shell is stated, the dielectric resilience gasket and constant pressure plate are sequentially placed into the jet-bedding on shell
On slot position, cathode output end and the shell of the constant pressure plate are in close contact.
Further, thickness compression ratio of the dielectric resilience gasket after sealing is 5%~40%.
Compared with prior art, a kind of constant pressure export structure component of the invention, has the following advantages：
(1) battery charging, the protection in discharge process, constant cell are integrated in certain voltage output, battery knot
The function of structure support, taken into account well battery demand for safety protection in itself, electrical equipment to the output characteristics requirement of battery,
The structural requirement of battery in itself；
(2) economized of cell adjunct component occupied space and the high capacity of battery can be realized.Constant pressure export structure
Component, collection multiple functions are a global facility, and by the unified requirement met of multiple functions, the optimization for having carried out configuration aspects is set
Meter and layout, compared to more common split type battery charge and discharge protecting wiring board, battery constant pressure output circuit board, battery structure branch
Support component integration volume, the constant pressure export structure portion used in a kind of cylindrical rechargeable battery of constant pressure of the invention output
The volume of part will be greatly reduced, and which achieves the economizeds of cell adjunct component occupied space, have more spaces that can use
The assembling of active material is prompted, so as to being advantageously implemented the high capacity of battery.
The rechargeable battery made using a kind of constant pressure export structure component of the present invention, structure novel are made simple.This
The rechargeable battery of invention has used constant pressure export structure component, reduces the processing step of battery assembling, will especially realize
Welding times needed for equal functional product reduce more than half, and entire assembling process is simple and efficient, thus can realize electricity
The reduction of pond cost.
Description of the drawings
The overall structure diagram of rechargeable battery in Fig. 1 embodiments 1
The structure diagram of constant pressure export structure component in Fig. 2 embodiments 1
The schematic top plan view in the B faces of protection board in Fig. 3 (a) embodiments 1
The schematic elevation view in the B faces of protection board in Fig. 3 (b) embodiments 1
The schematic circuit of protection board in Fig. 3 (c) embodiments 1
The schematic top plan view in the B faces of constant pressure plate in Fig. 4 (a) embodiments 1
The schematic elevation view in the B faces of constant pressure plate in Fig. 4 (b) embodiments 1
The schematic top plan view in the A faces of constant pressure plate in Fig. 4 (c) embodiments 1
The schematic circuit of constant pressure plate in Fig. 4 (d) embodiments 1
Charging voltage-charging current-charging time graph of relation of rechargeable battery in Fig. 5 (a) embodiments 1
Charging voltage-charging current-time relationship in Fig. 5 (b) embodiments 1 in the case of the overcharge of rechargeable battery is bent
Line chart
Discharge voltage-discharge current-time curve in Fig. 5 (c) embodiments 1 under the discharge scenario of rechargeable battery
Figure
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
For specifically making a kind of cylindrical rechargeable battery of constant pressure output, constant pressure export structure is expanded on further
Component, while illustrate the cylindrical rechargeable battery structure of this kind of constant pressure output.
A kind of rechargeable battery, to be cylindrical, it is required that being：Cell diameter≤14.5mm, cell height≤50.5mm,
Battery has a charging and discharging defencive function, and battery has constant pressure 1.50V ± 0.10V, the output function of maximum 2A electric currents, such as
Shown in Fig. 1, including shell 1, battery core 2 and constant pressure export structure component 3, the battery core of the present embodiment is polymer Li-ion monomer electricity
Pond, model 13400 (diameter 13mm, height 40mm), nominal voltage 3.6V, capacity 650mAh；Shell 1 is box hat,
Its outer diameter is 14.15 ± 0.05mm, and internal diameter is 13.90 ± 0.05mm, is highly 51.0 ± 0.05mm；Battery core 2 is placed in shell 1
Interior, the openend of shell 1 is equipped with jet-bedding 11, jet-bedding slot position 13.15 ± 0.03mm of internal diameter, and slot position height is 3.0 ± 0.05mm, outside
The openend of shell 1 is closed with constant pressure export structure component 3；As shown in Fig. 2, constant pressure export structure component 3 includes protection board 31, perseverance
Pressing plate 32, leading-out terminal 33 and dielectric resilience gasket 34, dielectric resilience gasket 34 are overlooked in annular shape.
Protection board 31 is protected for battery charging, discharge process, specially：(overcharge electro-detection voltage is additives for overcharge protection
4.25 ± 0.05V, overcharge release that voltage be 4.10 ± 0.05V, overcharge voltage detection delay time is≤200mS), mistake puts
(overdischarge detection voltage is 2.90 ± 0.05V, overdischarge releasing voltage is 3.00 ± 0.05V, the inspection of overdischarge voltage for electric protection
Delay time is surveyed as≤100mS), overcurrent protection is (when overdischarge current detecting be 2.1~3.9A, overdischarge current detecting postpones
Between for≤20mS), (load short circuit current is detected as 10~30A to short-circuit protection, load short circuit current detection delay is≤300 μ
S).As shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), including circular 311 (diameter of first substrate：12.7mm thickness：0.6mm)、
(specification is by protection IC 312 (model XB8358D), first resistor R1 (specification is 100R ± 1%), the first capacitance C1
0.1uF, 10V) and the second capacitance C2 (specification 1uF, 10V), IC 312 is protected to be welded on first substrate 311, protects IC
The first capacitance C1 is concatenated between 312 vdd terminal mouth and GND ports, protects and is concatenated between the GND ports of IC 312 and VCC ports
One end of second capacitance C2, first resistor R1 are connected to the vdd terminal mouth of protection IC and the connection of the first capacitance C1.Protection
Anode contact pin location hole X, cathode contact pin location hole Y be set on plate 31, and the anode contact pin location hole X and first on protection board 31 is electric
Resistance R1 is connected with the other end that the vdd terminal mouth of IC 312 is protected to be connected, and the cathode contact pin location hole Y on protection board 31 is with protecting
Protect two VM ports connection of IC 312.An anode is also set up on protection board 31 and draws lug tie point B+ and a cathode
Lug tie point B- is drawn, anode draws lug tie point B+ with first resistor R1 with the vdd terminal mouth of IC 312 is protected to be connected
The other end connection, cathode draw lug tie point B- connected with the GND ports of protection board 31.
Constant pressure plate 32 ensures that battery has constant pressure 1.50V ± 0.10V, maximum 2A electric currents for ensureing that battery constant pressure exports
Output function, as shown in Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), including circular 321 (diameter of second substrate：13.85mm thickness：
0.8mm), electric pressure converter 322 (model ME3104), inductance L (models：2.7uH/3A), diode D (models：B5819WS
SL 1A), second resistance R2 (specification is 20KR ± 1%), 3rd resistor R3 (specification is 30KR ± 1%), third capacitance C3 (rule
Lattice are 22uF, 15V), the 4th capacitance C4 (specification 0.1uF, 10V) and the 5th capacitance C5 (specification 22uF, 15V), the second base
Cathode output end 323 and cathode output end 325 are provided on plate 321, on the second substrate 321 of constant pressure plate 32 there are two settings
Venthole 324, electric pressure converter 322 are welded on second substrate 321, one end of inductance L and the SW ports of electric pressure converter 322
It is connected, the other end connection cathode output end 323 of inductance L；One end of diode D respectively with the VIN ends of electric pressure converter 322
Mouth, EN ports are connected, the other end connection cathode output end 323 of diode D；The VIN ports of electric pressure converter 322 and GND
Third capacitance C3 is concatenated between port, the 4th capacitance is concatenated between the FB ports of electric pressure converter 322 and cathode output end 323
C4,3rd resistor R3 are attempted by the both ends of the 4th capacitance C4, and the 5th capacitance C5 is attempted by the 4th electricity after being concatenated with second resistance R2
The both ends and second resistance R2 for holding C4 are serially connected between the FB ports of electric pressure converter 322 and cathode output end 325.Constant pressure plate 32
The upper anode contact pin location hole X of setting respectively, cathode contact pin location hole Y, the anode contact pin location hole X on constant pressure plate 32 turn with voltage
The VIN ports connection of parallel operation 322, cathode contact pin location hole Y on constant pressure plate 32 respectively with cathode output end 325, the 5th capacitance
One end connection that C5 is connected with second resistance R2.
For the convenience of description, the welding surface of first substrate 311 and second substrate 321 is defined as A faces, 311 He of first substrate
Face where electronic component on second substrate 321 is defined as B faces.
As shown in Fig. 2, leading-out terminal 33 is arranged on the middle position in the A faces of the substrate 321 of constant pressure plate 32, output terminal
Son 33 is connected with the cathode output end 323 of constant pressure plate 32；Dielectric resilience gasket 34 (thickness 0.5mm, outer diameter 13.85mm；
Center-hole diameter is 12.80mm) be arranged on constant pressure plate 32 substrate 321 B faces periphery, protection board 31 is arranged on constant pressure plate
32 lower section, the B faces of first substrate 311 and the B faces of second substrate 321 are opposite, and protection board 31 is inserted by anode contact pin 35, cathode
Needle 36 is connected with constant pressure plate 32, and one end of anode contact pin 35 is connected on the anode contact pin location hole X on protection board 31, just
On anode contact pin location hole X on the other end connection constant pressure plate 32 of pole contact pin 35；One end of cathode contact pin 36 is connected to protection
On cathode contact pin location hole Y on plate 31, on the cathode contact pin location hole Y of the other end connection constant pressure plate 32 of cathode contact pin 36；
The anode of battery core 2 is drawn lug 21 and is connected on the anode extraction lug tie point B+ of protection board 31, the cathode extraction pole of battery core 2
The cathode that ear 22 is connected to protection board 31 is drawn on lug tie point B-；Protection board 31 is placed under the 11 slot position of jet-bedding on shell 1
Side, dielectric resilience gasket 34 and constant pressure plate 32 are sequentially placed into above the 11 slot position of jet-bedding on shell 1, and the cathode of constant pressure plate 32 is defeated
Outlet 325 is in close contact with shell 1, and thickness compression ratio control of the dielectric resilience gasket 34 after sealing is 5%~40%.
During actual fabrication, carry out according to the following steps：
(1) battery core, that is, polymer Li-ion battery is wrapped into outer membrane, anode is drawn in the cathode output end welding of battery core
The upper cathode of cathode output end welding of battery core is drawn lug, anode then is drawn lug, cathode draws lug difference by lug
It is insulated using insulating tape, prevents the contact with battery steel shell；
(2) then battery core, that is, polymer Li-ion battery is fitted into battery steel shell, then to being equipped with polymer Li-ion
The box hat of battery carries out jet-bedding；
(3) protection board, constant pressure plate are made, by the center meta position in the A faces of the second substrate of leading-out terminal welding constant pressure plate
It puts, anode contact pin, cathode contact pin is respectively fixedly connected with anode contact pin location hole X, the cathode contact pin in protection board, constant pressure plate
On location hole Y, protection board is passed through to the centre bore of resilient non-conductive pad, forms constant pressure export structure component；
(4) anode of battery core is drawn lug to connect with the anode extraction lug tie point B+ solderings on protection board, battery core
Cathode draw lug on protection board cathode extraction lug tie point B- solderings connect.
(5) protection board is placed in below the jet-bedding slot position of box hat, constant pressure plate is placed on jet-bedding slot position and is placed in elastic insulated
It above gasket, is sealed later, completes the making of the cylindrical rechargeable battery of constant pressure output.
The cylindrical rechargeable battery that the constant pressure of the present embodiment is exported, after putting residual electricity completely, with 1000mA constant current constant voltages
Charging, constant pressure 4.5V, charge cutoff electric current 20mA, total charging capacity is about 686.6mAh, charging voltage-charging electricity
Shown in stream-charging time graph of relation such as Fig. 5 (a).
To verify the charging overvoltage protection function of constant pressure export structure component, to fully charged battery, with 20mA electric currents into
Row constant-current charge, and ceiling voltage 4.7V is limited, charging voltage-charging current-time curve in the case of overcharge
Figure by Fig. 5 (b) it is found that battery electric current when charging 2 seconds is reduced to 0mA from 20mA, shows that constant pressure exports as shown in Fig. 5 (b)
Structure member triggers charging overvoltage protection condition, has turned off charge circuit, and charging overvoltage protection function is realized.
The battery of electricity is will be filled with, is discharged with constant current 2000mA, blanking voltage 1.0V, the electric discharge electricity under discharge scenario
Shown in pressure-discharge current-time history such as Fig. 5 (c), "-" represents electric discharge in figure, by Fig. 5 (c) it is found that battery is put
Piezoelectric voltage is 1479mV~1430mV, is stablized in the range of 1.50 ± 0.10V, has reached the work(that constant pressure output is carried out with 2A electric currents
Can, entire discharge process discharge capacity is 1278mAh.Electric discharge ends, and discharge voltage bust to 0V, electric current 0mA shows constant pressure
Export structure component triggers electric discharge under-voltage protection condition, has turned off discharge loop, and electric discharge under-voltage protection function is realized.
It should be noted that although the present embodiment is said for being depressured constant pressure 1.5V output type lithium ion batteries
It is bright, but being equally applicable to battery needs the operating mode that constant pressure exports of boosting, such as 9V constant pressures output lithium ion battery etc..
Embodiment 2
A kind of cylindrical rechargeable battery of constant pressure output, structure and a kind of cylinder of constant pressure output in embodiment 1
The structure of shape rechargeable battery is similar, the difference is that：Battery core is formed by anode, cathode, membrane winding, first substrate
Thickness is 0.8mm.Second substrate thickness is 1.2mm.
The above is only the preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvement and modification
Protection scope of the present invention should be considered as.
Claims (9)
1. a kind of constant pressure export structure component, it is characterised in that：Including protection board, constant pressure plate, leading-out terminal and dielectric resilience pad
Piece is provided with centre bore on the dielectric resilience gasket；
The protection board includes first substrate, protection IC, first resistor (R1), the first capacitance (C1) and the second capacitance (C2), institute
It states protection IC welding on the first substrate, protects and the first capacitance (C1) is concatenated between the vdd terminal mouth of IC and GND ports, protect IC
GND ports and VCC ports between concatenate the second capacitance (C2), one end of first resistor (R1) is connected to the vdd terminal of protection IC
The connection of mouth and the first capacitance (C1)；
The constant pressure plate include second substrate, electric pressure converter, inductance, diode, second resistance (R2), 3rd resistor (R3),
Third capacitance (C3), the 4th capacitance (C4) and the 5th capacitance (C5) are provided with cathode output end and cathode on the second substrate
Output terminal, the electric pressure converter are welded on second substrate, and one end of the inductance is connected with the SW ports of electric pressure converter
It connects, the other end connection cathode output end of inductance；One end of the diode respectively with the VIN ports of electric pressure converter, EN ends
Mouth is connected, the other end connection cathode output end of the diode；It is gone here and there between the VIN ports of electric pressure converter and GND ports
Third capacitance (C3) is connect, the 4th capacitance (C4), 3rd resistor are concatenated between the FB ports of electric pressure converter and cathode output end
(R3) both ends of the 4th capacitance (C4) are attempted by, the 5th capacitance (C5) is attempted by the 4th capacitance after being concatenated with second resistance (R2)
(C4) both ends and second resistance (R2) are serially connected between the FB ports of electric pressure converter and cathode output end；
The leading-out terminal is arranged on (A) face of the substrate of constant pressure plate, the cathode output end of leading-out terminal and the constant pressure plate
It is connected；The dielectric resilience gasket is arranged on the periphery in (B) face of the substrate of constant pressure plate, and the protection board is arranged on the perseverance
The lower section of pressing plate, the protection board are connected by anode contact pin, cathode contact pin with the constant pressure plate, and the one of the anode contact pin
End be connected to first resistor on protection board (R1) on the other end that is connected of vdd terminal mouth of protection IC, anode contact pin it is another
End is connected on the constant pressure plate on the VIN ports of electric pressure converter；One end of the cathode contact pin is connected on the protection board
On two VM ports for protecting IC, the other end of cathode contact pin connects the 5th capacitance (C5) and second resistance of the constant pressure plate
(R2) on the one end being connected.
2. a kind of constant pressure export structure component as described in claim 1, it is characterised in that：Divide on the protection board, constant pressure plate
Not She Zhi anode contact pin location hole, cathode contact pin location hole, anode contact pin location hole on protection board and first resistor (R1) with
The other end that the vdd terminal mouth of protection IC is connected connects, two VM ends of the cathode contact pin location hole on protection board and protection IC
Mouth connection；Anode contact pin location hole on constant pressure plate is connected with the VIN ports of electric pressure converter, and the cathode contact pin on constant pressure plate is determined
One end connection that position hole is connected respectively with cathode output end, the 5th capacitance (C5) with second resistance (R2).
3. a kind of constant pressure export structure component as described in claim 1, it is characterised in that：It is provided with just on the first substrate
Lug tie point (B+) is drawn in pole and cathode draws lug tie point (B-), and the anode draws lug tie point (B+) and first
Resistance (R1) is connected with the other end that the vdd terminal mouth of IC is protected to be connected, and cathode draws lug tie point (B-) and protection IC's
GND ports connect.
4. a kind of constant pressure export structure component as described in claim 1, it is characterised in that：(B) face of the first substrate and
(B) face of second substrate is opposite, and the second substrate and mating battery case are closely mating, the first substrate and described
The shape of second substrate is identical and the size of first substrate is less than the size of second substrate.
5. a kind of constant pressure export structure component as claimed in claim 4, it is characterised in that：The first substrate and second substrate
Rounded, the thickness of the first substrate is 0.6~0.8mm, and the diameter d1 of first substrate meets d-0.50≤d1≤d-
0.20, wherein d are the jet-bedding internal diameter on mating cylindrical shell；The thickness of the second substrate be 0.8~1.2mm, second
The diameter d2 of substrate meets D-0.20≤d2≤D-0.05, and wherein D is the internal diameter of mating cylindrical shell.
6. a kind of constant pressure export structure component as claimed in claim 5, it is characterised in that：The dielectric resilience gasket is in circle
Ring, thickness be 0.1~1.0mm, outer diameter of a circle be equal to second substrate diameter, center-hole diameter d3 meet d1+0.05≤
D3≤d-0.05, wherein d are the jet-bedding internal diameter on mating cylindrical shell, and d1 is the diameter of first substrate.
7. a kind of constant pressure export structure component as described in claim 1~6 is any, it is characterised in that：The of the constant pressure plate
At least one venthole is provided on two substrates.
8. a kind of rechargeable battery, including shell and battery core, battery core is placed in shell, the openend of the shell is equipped with jet-bedding,
It is characterized in that：The openend of shell also closes off a kind of constant pressure export structure component any just like claim 1~6,
The anode of the battery core is drawn lug and is connected on the other end that first resistor (R1) is connected with the vdd terminal mouth of protection IC, institute
The cathode extraction lug for stating battery core is connected on the GND ports of the protection board；The protection board is placed in the jet-bedding slot on shell
Position lower section, the dielectric resilience gasket and constant pressure plate are sequentially placed into above the jet-bedding slot position on shell, the cathode of the constant pressure plate
Output terminal is in close contact with shell.
9. a kind of rechargeable battery as claimed in claim 8, it is characterised in that：Thickness of the dielectric resilience gasket after sealing
It is 5%~40% to spend compression ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250971.0A CN105789718B (en) | 2016-04-21 | 2016-04-21 | A kind of constant pressure export structure component and use its rechargeable battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610250971.0A CN105789718B (en) | 2016-04-21 | 2016-04-21 | A kind of constant pressure export structure component and use its rechargeable battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105789718A CN105789718A (en) | 2016-07-20 |
| CN105789718B true CN105789718B (en) | 2018-06-22 |
Family
ID=56397996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610250971.0A Active CN105789718B (en) | 2016-04-21 | 2016-04-21 | A kind of constant pressure export structure component and use its rechargeable battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105789718B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289442B (en) * | 2019-07-10 | 2021-12-03 | 深圳先进储能材料国家工程研究中心有限公司 | Large capacity secondary battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881982Y (en) * | 2006-03-07 | 2007-03-21 | 深圳市迈乐数码科技有限公司 | Cylindrical lithium battery |
| CN101604764A (en) * | 2009-07-08 | 2009-12-16 | 上海德朗能电池有限公司 | A kind of lithium battery that protective circuit is built into battery cap inside |
| CN204289548U (en) * | 2014-12-23 | 2015-04-22 | 赵振涛 | The prismatic battery that a kind of baffle is built-in |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006246585A (en) * | 2005-03-02 | 2006-09-14 | Nec Saitama Ltd | Battery protection circuit |
| KR101956921B1 (en) * | 2012-06-19 | 2019-03-11 | 삼성에스디아이 주식회사 | Protective circuit module and battery pack having the same |
-
2016
- 2016-04-21 CN CN201610250971.0A patent/CN105789718B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881982Y (en) * | 2006-03-07 | 2007-03-21 | 深圳市迈乐数码科技有限公司 | Cylindrical lithium battery |
| CN101604764A (en) * | 2009-07-08 | 2009-12-16 | 上海德朗能电池有限公司 | A kind of lithium battery that protective circuit is built into battery cap inside |
| CN204289548U (en) * | 2014-12-23 | 2015-04-22 | 赵振涛 | The prismatic battery that a kind of baffle is built-in |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105789718A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105870519B (en) | Constant pressure export structure component and use its rechargeable battery | |
| CN105896479B (en) | A kind of built-in constant pressure protection structure member and use its rechargeable battery | |
| CN101404406B (en) | Lithium battery protection circuit | |
| CN110289442A (en) | Large capacity secondary cell | |
| CN110138025A (en) | Induction dustbin rechargeable battery | |
| CN105553052A (en) | Lithium battery protection chip of integrated power metal oxide semiconductor field effect transistor (MOSFET) and charging circuit applying chip | |
| CN110429353A (en) | Inexpensive secondary cell | |
| CN100521355C (en) | Chargeable battery | |
| CN110534676A (en) | Rechargeable battery | |
| CN205723839U (en) | The cylindrical rechargeable battery of constant voltage output | |
| CN205723840U (en) | A kind of cylindrical rechargeable battery of constant voltage output | |
| CN105789718B (en) | A kind of constant pressure export structure component and use its rechargeable battery | |
| CN110233283A (en) | High-energy density secondary lithium ion battery | |
| CN111082148B (en) | Secondary battery based on needle-shaped pin battery core and hidden interface | |
| CN201222661Y (en) | Lithium battery protection device with zero discharging function during storage period | |
| KR200423760Y1 (en) | Lithium-ion secondary battery | |
| CN106099863B (en) | A kind of constant pressure protection structure member with USB interface and the secondary cell using it | |
| CN205900734U (en) | Lithium cell with reduce output voltage function | |
| CN201215817Y (en) | Protective circuit for lithium battery | |
| CN102324485A (en) | Portable energy balance storage battery | |
| CN105048606A (en) | Battery discharge protection circuit and rechargeable battery pack with discharge protection function | |
| CN201122632Y (en) | Rechargeable battery | |
| CN205583786U (en) | Wireless charging equipment with lighting interface and USB interface | |
| CN201378612Y (en) | 9V Lithium battery structure | |
| CN2791888Y (en) | Chargeable cell with protective circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |