CN105552463A - Storage battery assembly and terminal - Google Patents
Storage battery assembly and terminal Download PDFInfo
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- CN105552463A CN105552463A CN201510390699.1A CN201510390699A CN105552463A CN 105552463 A CN105552463 A CN 105552463A CN 201510390699 A CN201510390699 A CN 201510390699A CN 105552463 A CN105552463 A CN 105552463A
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- semiconductor
- oxide
- storage battery
- metal
- battery
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- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- 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
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention discloses a storage battery assembly. The storage battery assembly comprises a storage battery, a battery protection plate and a graphite flake, wherein the battery protection plate is connected between the storage battery and peripheral equipment, and is used for carrying out overcharge protection and over-discharge protection of the storage battery, and the battery protection plate is connected with the negative electrode of the storage battery and the negative electrode of the peripheral equipment in a shunting mode to reduce heating; and the graphite flake is applied to one side of the battery protection plate, and is used for heat radiation of the battery protection plate. The embodiment of the invention also discloses a terminal. The storage battery assembly and the terminal are adopted to reduce the temperature of the battery protection plate, improve the charging speed of the battery, prolong the cycle life of the battery and improve the use safety.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of accumulator cell assembly and terminal.
Background technology
Along with the development of electronic technology, quick charge has become function as requisite in the terminal such as smart mobile phone and panel computer, is characterized in being charged to battery by big current.Battery protecting plate is the Important Components in terminal, is that one prevents battery (especially lithium battery) from overcharging, crosses and put the surface-mounted integrated circuit with short circuit.Particularly; when the voltage of battery in charging process is higher than preset upper limit value; or when the voltage of battery in discharge process is lower than preset lower limit value; or when in discharge process during the short circuit of battery positive and negative electrode; MOS (MetalOxideSemiconductor, metal oxide semiconductor) pipe in battery protecting plate will be in off state to disconnect the connection of battery and peripheral hardware.
In quick charge process, metal-oxide-semiconductor is in conducting state, and now its resistance is comparatively large, and the electric current of quick charge is also comparatively large, according to power P=I
2r is known, and battery protecting plate will produce a large amount of heats, causes battery temperature to raise, and then affects charging rate and the cycle life of battery, and brings potential safety hazard.
Summary of the invention
The embodiment of the present invention provides a kind of accumulator cell assembly and terminal, can realize the temperature reducing battery protecting plate, promotes charging rate and the cycle life of battery, and improves safety in utilization.
Embodiment of the present invention first aspect provides a kind of accumulator cell assembly, and described accumulator cell assembly comprises storage battery, battery protecting plate and graphite flake, wherein:
Described battery protecting plate is connected between described storage battery and peripheral hardware, and for carrying out over-charge protective and Cross prevention to described storage battery, described battery protecting plate connects the negative pole of described storage battery by the mode of shunting and the negative pole of described peripheral hardware generates heat to reduce;
Described graphite flake fits in the side of described battery protecting plate, for being described battery protecting plate heat radiation.
In the first possibility implementation of first aspect, described battery protecting plate comprises at least two switch elements in parallel;
Described battery protecting plate connects the negative pole of described storage battery and the negative pole of described peripheral hardware by the mode of shunting, comprising:
Described at least two switch elements in parallel are connected between the negative pole of described storage battery and the negative pole of described peripheral hardware.
In conjunction with the first possibility implementation of first aspect; in the second possibility implementation of first aspect; described switch element comprises the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first diode and the second diode, and described battery protecting plate also comprises sampling resistor and control chip, wherein:
The source electrode of described first metal-oxide-semiconductor is connected with the negative pole of described peripheral hardware, the drain electrode of described first metal-oxide-semiconductor is connected with the drain electrode of described second metal-oxide-semiconductor, the source electrode of described second metal-oxide-semiconductor is connected with the negative pole of described storage battery, the anode of described first diode is connected with the source electrode of described first metal-oxide-semiconductor, the negative electrode of described first diode is connected with the drain electrode of described first metal-oxide-semiconductor, the anode of described second diode is connected with the source electrode of described second metal-oxide-semiconductor, the negative electrode of described second diode is connected with the drain electrode of described second metal-oxide-semiconductor, the grid of described first metal-oxide-semiconductor is put control end with the mistake of described control chip and is connected, the grid of described second metal-oxide-semiconductor is connected with the control end that overcharges of described control chip, the sampling input of described control chip is connected with one end of described sampling resistor, the other end of described sampling resistor is connected with the positive pole of described storage battery, the other end of described sampling resistor is also connected with the positive pole of described peripheral hardware, the sampled output of described control chip is connected with the negative pole of described peripheral hardware, the short-circuit detecting end of described control chip is connected with the source electrode of described first metal-oxide-semiconductor.
In conjunction with the second possibility implementation of first aspect, in the third possibility implementation of first aspect, described control chip is used for:
The voltage of the positive pole of described storage battery is gathered by described sampling resistor;
When the cathode voltage of described storage battery is lower than preset lower limit value, turn off described first metal-oxide-semiconductor;
When the cathode voltage of described storage battery is higher than preset upper limit value, turn off described second metal-oxide-semiconductor.
In conjunction with the second possibility implementation of first aspect, in the 4th kind of possibility implementation of first aspect, described battery protecting plate also comprises the first filter capacitor, the second filter capacitor, the 3rd filter capacitor and the 4th filter capacitor, wherein:
One end of described first filter capacitor is connected with the sampling input of described control chip, the other end of described first filter capacitor is connected with the sampled output of described control chip, one end of described second filter capacitor is connected with the sampled output of described control chip, the other end of described second filter capacitor is connected with the negative pole of described peripheral hardware, one end of described 3rd filter capacitor is connected with the source electrode of described first metal-oxide-semiconductor, the other end of described 3rd filter capacitor is connected with the source electrode of described second metal-oxide-semiconductor, one end of described 4th filter capacitor is connected with the positive pole of described storage battery, the other end of described 4th filter capacitor is connected with the negative pole of described storage battery.
In conjunction with the second possibility implementation of first aspect, in the 5th kind of possibility implementation of first aspect, described battery protecting plate also comprises protective resistance;
The source electrode of described first metal-oxide-semiconductor is connected with the negative pole of described peripheral hardware, comprising:
The source electrode of described first metal-oxide-semiconductor is connected by the negative pole of described protective resistance with described peripheral hardware.
In conjunction with the second possibility implementation of first aspect; in the 6th kind of possibility implementation of first aspect; described battery protecting plate also comprises current-limiting resistance; one end of described current-limiting resistance is connected with the positive and negative test side of described control chip, and the other end of described current-limiting resistance is connected with the negative pole of described storage battery.
In conjunction with the second possibility implementation of first aspect; in the 6th kind of possibility implementation of first aspect; described battery protecting plate also comprises current-limiting resistance; one end of described current-limiting resistance is connected with the positive and negative test side of described control chip, and the other end of described current-limiting resistance is connected with the negative pole of described storage battery.
In conjunction with the first possibility implementation of first aspect, in the 7th kind of possibility implementation of first aspect, described graphite flake fits in the side that described battery protecting plate is welded with described switch element.
In the 8th kind of possibility implementation of first aspect, the area of described graphite flake equals the area of described battery protecting plate.
Embodiment of the present invention second aspect provides a kind of terminal, comprises the accumulator cell assembly that in above-mentioned first aspect, any one mode provides.
Accumulator cell assembly in the embodiment of the present invention; comprise storage battery, battery protecting plate and graphite flake; wherein; battery protecting plate is connected between storage battery and peripheral hardware; for carrying out over-charge protective and Cross prevention to storage battery; battery protecting plate connects the negative pole of storage battery by the mode of shunting and the negative pole of peripheral hardware generates heat to reduce; graphite flake fits in the side of battery protecting plate; for being battery protecting plate heat radiation; the temperature reducing battery protecting plate can be realized; promote charging rate and the cycle life of battery, and improve safety in utilization.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of accumulator cell assembly that the embodiment of the present invention provides;
Fig. 2 is the circuit diagram of a kind of battery protecting plate that the embodiment of the present invention provides;
Fig. 3 is the circuit diagram of the another kind of battery protecting plate that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of terminal that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Accumulator cell assembly in the embodiment of the present invention is applied to terminal, and terminal comprises the electronic equipments such as smart mobile phone, panel computer, digital audio & video players, electronic reader, handheld game machine and vehicle electronic device.Accumulator cell assembly can be connected with peripheral hardware, carries out charge or discharge to storage battery, it is pointed out that the cooling function of the accumulator cell assembly in the embodiment of the present invention is mainly reflected in the process of quick charge.
Fig. 1 is the structural representation of a kind of accumulator cell assembly that the embodiment of the present invention provides.Accumulator cell assembly as shown in the figure comprises storage battery 100, battery protecting plate 200 and graphite flake 300, wherein:
Battery protecting plate 200 is connected between storage battery 100 and peripheral hardware (not shown), for carrying out over-charge protective and Cross prevention to storage battery 100, battery protecting plate 200 connects the negative pole of storage battery 100 by the mode of shunting and the negative pole of peripheral hardware generates heat to reduce; Graphite flake 300 fits in the side of battery protecting plate 200, for dispelling the heat for battery protecting plate 200.
Wherein, peripheral hardware refers to external equipment, comprises power supply or load, and when being set to power supply outward, storage battery 100 charges, and when being set to load outward, storage battery 100 charges.
In addition; battery protecting plate 200 connects the negative pole of storage battery 100 and the negative pole of peripheral hardware by the mode of shunting; the reason that can reduce heating is: in charging process; electric current flows out from the positive pole of peripheral hardware, flows into the positive pole of storage battery 100, then flows out from the negative pole of storage battery 100; flow back to the negative pole of peripheral hardware; form a loop, connected by the mode of shunting and the electric current in loop can be allowed to be divided into the tributary that multiple current value is less, thus decrease the heating of circuit.
Should understand ground, graphite has the feature of perfect heat-dissipating, and the battery protecting plate 200 graphite-made slabbing being fitted in easily heating can accelerate heat radiation.Alternatively, graphite flake 300 is provided with aperture, can accelerate heat radiation further.
Will also be understood that ground, the area of graphite flake 300 is larger, and heat dispersion is better.Alternatively, the area of graphite flake 300 equals the area of battery protecting plate 200.Again alternatively, the area of graphite flake 300 can be determined according to the average heat production of battery protecting plate 200 and most golf calorific value, to avoid the waste to graphite material, saves cost.
Further; circuit structure in battery protecting plate 200 can comprise control chip and at least two switch elements in parallel as shown in Figure 2; wherein; between the negative pole that described at least two switch elements in parallel are connected to storage battery 100 and the negative pole of peripheral hardware, control chip is connected respectively with each switch element.
In specific implementation process, control chip detect storage battery 100 be in overcharge state time, control each switch element disconnect, avoid continue charging; Detect storage battery 100 be in put state time, also control each switch element disconnect, avoid continue electric discharge; When detecting that storage battery 100 is in normal condition, controlling each switching means conductive, carrying out charging normal or discharging.Should ground be understood, overcharge and cross to put and all can impact the cycle life of storage battery 100.
Usually, in existing battery protecting plate, usually only use a switch element, and the switching component usually adopting internal resistance higher, as metal-oxide-semiconductor etc.In the process of quick charge, the current value in loop is comparatively large, according to power P=I
2r is known, and battery protecting plate will produce a large amount of heats, causes battery temperature to raise, and then affects charging rate and the cycle life of battery, and brings potential safety hazard.In the embodiment of the present invention, battery protecting plate 200 comprises at least two switch elements in parallel, the electric current in loop can be allowed to be divided at least two tributaries, reduce the electric current flowing through each switch element, and then decrease the caloric value of battery protecting plate.
Fig. 3 is the circuit diagram of the another kind of battery protecting plate that the embodiment of the present invention provides; as shown in the figure as a kind of feasible execution mode; each switch element comprises the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first diode D1 and the second diode D2; battery protecting plate 200 comprises sampling resistor R1 and control chip U1; the positive and negative electrode of storage battery 100 is respectively P+, P-; the positive and negative electrode of peripheral hardware is respectively B+, B-, wherein:
The source electrode of Q1 is connected with P-, the drain electrode of Q1 is connected with the drain electrode of Q2, the source electrode of Q2 is connected with P-, the anode of D1 is connected with the source electrode of Q1, the negative electrode of D1 is connected with the drain electrode of Q1, the anode of D2 is connected with the source electrode of Q2, the negative electrode of D2 is connected with the drain electrode of Q2, grid and the mistake of control chip U1 of Q1 are put control end OD and are connected, the grid of Q2 is connected with the control end OC that overcharges of control chip U1, one end of sampling input VCC and the R1 of control chip U1 connects, the other end of R1 is connected with P+, the other end of R1 is also connected with B+, sampled output VSS and the B-of control chip U1 connects, the source electrode of short-circuit detecting end CS and the Q1 of control chip U1 connects.Preferably, the break-make control chip of control chip U1 can be model be MM3638KA1, the resistance of R1 can be 100 Ω.
Wherein, control chip U1 is used for: the voltage being gathered P+ by R1; When the cathode voltage of P+ is lower than preset lower limit value, turn off Q1; When P+ voltage is higher than preset upper limit value, turn off Q2.In specific implementation process, the sampling input VCC of control chip U1 and sampled output VSS gathers the voltage of P+ by R1, when the cathode voltage of P+ is lower than preset lower limit value, namely storage battery 100 was in the state of putting, the mistake of control chip U1 is put output OD and is exported high level, the grid voltage of Q1 is driven high, and is in off state, and B-and P-disconnects; When the cathode voltage of P+ is higher than preset upper limit value, namely storage battery 100 is in the state of overcharging, and the output OC that overcharges of control chip U1 exports high level, and the grid voltage of Q2 is driven high, and is in off state, and B-and P-disconnects; When the cathode voltage of P+ is normal value, namely storage battery 100 is in normal condition, and the mistake of control chip U1 is put output OD and overcharges output OC output low level, Q1 and Q2 normally, B-and P-conducting.
Further, control chip U1 also for: when the voltage that control chip U1 detects according to its short-circuit detecting end CS or electric current judge the positive and negative electrode short circuit of storage battery 100, cross to put output OD and overcharge output OC and export high level simultaneously, Q1 and Q2 turns off, and B-and P-disconnects.
Alternatively, battery protecting plate 200 also comprises current-limiting resistance R2, and one end of R2 is connected with the positive and negative test side of control chip U1, and the other end of R2 is connected with P-.Preferably, the resistance of R2 can be 1K Ω.Control chip U1 is used for the voltage that detects according to its positive and negative test side V. or electric current is determined to overcharge output OC and cross to put the positive and negative of output OD.
In addition, in order to reduce ripple or clutter to the impact of circuit, battery protecting plate 200 also comprises the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3 and the 4th filter capacitor C4, wherein:
One end of C1 is connected with the VCC of control chip U1, the other end of C1 is connected with the VSS of control chip U1, one end of C2 is connected with the VSS of control chip U1, the other end of C2 is connected with B-, one end of C3 is connected with the source electrode of Q1, the other end of C3 is connected with the source electrode of Q2, and one end of C4 is connected with P+, and the other end of C4 is connected with P-.Preferably, the capacitance of C1, C2, C3 and C4 can be 01uF.
Again alternatively, battery protecting plate 200 also comprises protective resistance R3, plays metering function to the electric current in loop.Wherein, the source electrode of Q1 is connected by R3 and B-.
Fig. 4 is the structural representation of a kind of terminal that the embodiment of the present invention provides.Terminal as shown in the figure comprises storage battery 100, battery protecting plate 200 and graphite flake 300 in above-described embodiment.
Accumulator cell assembly in the embodiment of the present invention; comprise storage battery, battery protecting plate and graphite flake; wherein; battery protecting plate is connected between storage battery and peripheral hardware; for carrying out over-charge protective and Cross prevention to storage battery; battery protecting plate connects the negative pole of storage battery by the mode of shunting and the negative pole of peripheral hardware generates heat to reduce; graphite flake fits in the side of battery protecting plate; for being battery protecting plate heat radiation; the temperature reducing battery protecting plate can be realized; promote charging rate and the cycle life of battery, and improve safety in utilization.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention device, can carry out merging, divide and deleting according to actual needs.
Module described in the embodiment of the present invention, universal integrated circuit can be passed through, such as CPU (CentralProcessingUnit, central processing unit), or realized by ASIC (ApplicationSpecificIntegratedCircuit, application-specific integrated circuit (ASIC)).
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. an accumulator cell assembly, is characterized in that, described accumulator cell assembly comprises storage battery, battery protecting plate and graphite flake, wherein:
Described battery protecting plate is connected between described storage battery and peripheral hardware, and for carrying out over-charge protective and Cross prevention to described storage battery, described battery protecting plate connects the negative pole of described storage battery by the mode of shunting and the negative pole of described peripheral hardware generates heat to reduce;
Described graphite flake fits in the side of described battery protecting plate, for being described battery protecting plate heat radiation.
2. accumulator cell assembly as claimed in claim 1, it is characterized in that, described battery protecting plate comprises at least two switch elements in parallel;
Described battery protecting plate connects the negative pole of described storage battery and the negative pole of described peripheral hardware by the mode of shunting, comprising:
Described at least two switch elements in parallel are connected between the negative pole of described storage battery and the negative pole of described peripheral hardware.
3. accumulator cell assembly as claimed in claim 2, it is characterized in that, described switch element comprises the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first diode and the second diode, and described battery protecting plate also comprises sampling resistor and control chip, wherein:
The source electrode of described first metal-oxide-semiconductor is connected with the negative pole of described peripheral hardware, the drain electrode of described first metal-oxide-semiconductor is connected with the drain electrode of described second metal-oxide-semiconductor, the source electrode of described second metal-oxide-semiconductor is connected with the negative pole of described storage battery, the anode of described first diode is connected with the source electrode of described first metal-oxide-semiconductor, the negative electrode of described first diode is connected with the drain electrode of described first metal-oxide-semiconductor, the anode of described second diode is connected with the source electrode of described second metal-oxide-semiconductor, the negative electrode of described second diode is connected with the drain electrode of described second metal-oxide-semiconductor, the grid of described first metal-oxide-semiconductor is put control end with the mistake of described control chip and is connected, the grid of described second metal-oxide-semiconductor is connected with the control end that overcharges of described control chip, the sampling input of described control chip is connected with one end of described sampling resistor, the other end of described sampling resistor is connected with the positive pole of described storage battery, the other end of described sampling resistor is also connected with the positive pole of described peripheral hardware, the sampled output of described control chip is connected with the negative pole of described peripheral hardware, the short-circuit detecting end of described control chip is connected with the source electrode of described first metal-oxide-semiconductor.
4. accumulator cell assembly as claimed in claim 3, it is characterized in that, described control chip is used for:
The voltage of the positive pole of described storage battery is gathered by described sampling resistor;
When the cathode voltage of described storage battery is lower than preset lower limit value, turn off described first metal-oxide-semiconductor;
When the cathode voltage of described storage battery is higher than preset upper limit value, turn off described second metal-oxide-semiconductor.
5. accumulator cell assembly as claimed in claim 3, it is characterized in that, described battery protecting plate also comprises the first filter capacitor, the second filter capacitor, the 3rd filter capacitor and the 4th filter capacitor, wherein:
One end of described first filter capacitor is connected with the sampling input of described control chip, the other end of described first filter capacitor is connected with the sampled output of described control chip, one end of described second filter capacitor is connected with the sampled output of described control chip, the other end of described second filter capacitor is connected with the negative pole of described peripheral hardware, one end of described 3rd filter capacitor is connected with the source electrode of described first metal-oxide-semiconductor, the other end of described 3rd filter capacitor is connected with the source electrode of described second metal-oxide-semiconductor, one end of described 4th filter capacitor is connected with the positive pole of described storage battery, the other end of described 4th filter capacitor is connected with the negative pole of described storage battery.
6. accumulator cell assembly as claimed in claim 3, it is characterized in that, described battery protecting plate also comprises protective resistance;
The source electrode of described first metal-oxide-semiconductor is connected with the negative pole of described peripheral hardware, comprising:
The source electrode of described first metal-oxide-semiconductor is connected by the negative pole of described protective resistance with described peripheral hardware.
7. accumulator cell assembly as claimed in claim 3; it is characterized in that; described battery protecting plate also comprises current-limiting resistance, and one end of described current-limiting resistance is connected with the positive and negative test side of described control chip, and the other end of described current-limiting resistance is connected with the negative pole of described storage battery.
8. accumulator cell assembly as claimed in claim 2, it is characterized in that, described graphite flake fits in the side that described battery protecting plate is welded with described switch element.
9. accumulator cell assembly as claimed in claim 1, it is characterized in that, the area of described graphite flake equals the area of described battery protecting plate.
10. a terminal, is characterized in that, described terminal comprises the accumulator cell assembly as described in any one of claim 1-9.
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CN105552463B (en) | 2018-05-15 |
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