CN107766279A - A kind of battery communication isolation circuit and device - Google Patents
A kind of battery communication isolation circuit and device Download PDFInfo
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- CN107766279A CN107766279A CN201711205065.XA CN201711205065A CN107766279A CN 107766279 A CN107766279 A CN 107766279A CN 201711205065 A CN201711205065 A CN 201711205065A CN 107766279 A CN107766279 A CN 107766279A
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- 238000004891 communication Methods 0.000 title claims abstract description 150
- 238000002955 isolation Methods 0.000 title claims abstract description 48
- 239000003990 capacitor Substances 0.000 claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 35
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 4
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
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- 239000000428 dust Substances 0.000 description 1
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017509—Interface arrangements
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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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Abstract
The invention discloses a kind of battery communication isolation circuit and device, the battery communication isolation circuit includes multiple MCU control modules, and the MCU control module is used to communication information is carried out receiving decoding and coding is sent；Multiple Capacitor apart communication modules, the quantity of the Capacitor apart communication module is less than or equal to the quantity of the MCU control module, and different Capacitor apart communication modules is accordingly electrical connected from different MCU control modules, Capacitor apart communication is carried out by a circuit interface between different Capacitor apart communication modules, to realize the exchange of communication information.The low manufacture cost of the present invention, it is simple in construction, have a safety feature and strong applicability.
Description
Technical field
The present invention relates to circuit field, more particularly to a kind of battery communication isolation circuit and device.
Background technology
As lithium ion battery applications field is more and more extensive, product function requires more and more, such as electric tool, dust suction
Device etc., higher requirement there has also been to lithium ion battery protection scheme design complexities, there is increasing product at present
The demand of sophisticated functions, conventional isolation communication modes use photoelectric coupling isolated core between product is solved by the way of the communication
The characteristics of piece communicates, but photoelectric coupling isolation communication chip volume is big, and PCB is laid out cost and high element cost causes many products
Application limitation be present.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of low manufacture cost, it is simple in construction, can be suitably used for
Battery communication isolation circuit between sophisticated functions product.
In order to solve the above-mentioned technical problem, the present invention is realized using following scheme：
In a first aspect, the present invention provides a kind of battery communication isolation circuit, including,
Multiple MCU control modules, the MCU control module is used to communication information is carried out receiving decoding and coding is sent；
Multiple Capacitor apart communication modules, the quantity of the Capacitor apart communication module are less than or equal to the MCU control module
Quantity, and different Capacitor apart communication modules is accordingly electrical connected from different MCU control modules, different electric capacity every
Capacitor apart communication is carried out by a circuit interface between communication module, to realize the exchange of communication information.
Further, the battery communication isolation circuit includes two MCU control modules and two Capacitor apart communications
Module.
Further, one of MCU control module includes MCU chip U1, the MCU chip U1 and one of electric capacity
Isolation communication module is accordingly electrical connected；Another MCU control module include MCU chip U2, the MCU chip U2 with it is another
Individual Capacitor apart communication module is accordingly electrical connected, and one of Capacitor apart communication module includes the first data input module
And first data outputting module；
First data input module includes resistance R1, electric capacity C1, triode Q1, resistance R3, resistance R5 and resistance R11,
Resistance R1 one end connects a power voltage terminal, and the resistance R1 other end is connected with triode Q1 colelctor electrode, triode Q1's
Signal input part of the colelctor electrode also with the MCU chip U1 is connected, and triode Q1 grounded emitter, triode Q1 base stage is led to
One end that resistance R3 is crossed with electric capacity C1 is connected, and the electric capacity CI other end is connected with one end of the circuit interface, triode Q1's
Base stage is grounded by resistance R5, and electric capacity C1 one end is also connected by resistance R11 with power voltage terminal；
First data outputting module includes resistance R7, triode Q4 and resistance R9, resistance R7 one end and the MCU core
Piece U1 signal output part is connected, and the resistance R7 other end is connected with triode Q4 base stage, and triode Q4 base stage also passes through
Resistance R9 is grounded, triode Q4 grounded emitter, triode Q4 colelctor electrode pass through electric capacity C1 and the circuit interface one
End is connected.
Further, another Capacitor apart communication module includes the second data input module and the second data output mould
Block；
Second data input module includes resistance R2, electric capacity C2, triode Q2, resistance R4, resistance R6 and resistance R12,
Resistance R2 one end connects a power voltage terminal, and the resistance R2 other end is connected with triode Q2 colelctor electrode, triode Q2's
Signal input part of the colelctor electrode also with the MCU chip U2 is connected, and triode Q2 grounded emitter, triode Q2 base stage is led to
One end that resistance R4 is crossed with electric capacity C2 is connected, and the electric capacity C2 other end is connected with the other end of the circuit interface, triode Q4
Base stage be grounded by resistance R6, electric capacity C2 one end is also connected by resistance R12 with power voltage terminal；
Second data outputting module includes resistance R8, triode Q3 and resistance R10, resistance R8 one end and the MCU
Chip U2 signal output part is connected, and the resistance R8 other end is connected with triode Q3 base stage, and triode Q3 base stage is also logical
Resistance R10 ground connection, triode Q3 grounded emitter are crossed, triode Q3 colelctor electrode passes through electric capacity C2 and the circuit interface
The other end is connected.
Further, triode Q1, triode Q2, triode Q3 and triode Q4 be PNP triode, PMOS with
And any of NMOS tube.
Further, one of MCU control module includes MCU chip U3, the MCU chip U3 and one of electric capacity
Isolation communication module is accordingly electrical connected；Another MCU control module include MCU chip U4, the MCU chip U4 with it is another
Individual Capacitor apart communication module is accordingly electrical connected, and one of Capacitor apart communication module includes the 3rd data input module
And the 3rd data outputting module；
3rd data input module includes resistance R13, electric capacity C3, triode Q5, resistance R17 and resistance R19, resistance
R13 one end connects a power voltage terminal, and the resistance R13 other end is connected with triode Q5 colelctor electrode, triode Q5 collection
Signal input part of the electrode also with the MCU chip U3 is connected, and triode Q5 grounded emitter, triode Q5 base stage passes through
Resistance R17 is connected with electric capacity C3 one end, and the electric capacity C3 other end is connected with the first output end of the circuit interface, triode
Q5 base stage is grounded by resistance R19；
3rd data outputting module includes resistance R14, resistance R21, triode Q8 and resistance R23, resistance R21 one end
It is connected with the signal output part of the MCU chip U3, the resistance R21 other end is connected with triode Q8 base stage, triode Q8
Base stage be also grounded by resistance R23, triode Q8 grounded emitter, triode Q8 colelctor electrode and the circuit interface
First input end is connected, and triode Q8 colelctor electrode is also connected by resistance R14 with power voltage terminal.
Further, another Capacitor apart communication module includes the 4th data input module and the 4th data output mould
Block；
4th data input module includes resistance R16, electric capacity C4, triode Q6, resistance R18 and resistance R20, resistance
R16 one end connects a power voltage terminal, and the resistance R16 other end is connected with triode Q6 colelctor electrode, triode Q6 collection
Signal input part of the electrode also with the MCU chip U4 is connected, and triode Q6 grounded emitter, triode Q6 base stage passes through
Resistance R18 is connected with electric capacity C4 one end, and the electric capacity C4 other end is connected with the second output end of the circuit interface, triode
Q6 base stage is grounded by resistance R20；
3rd data outputting module includes resistance R15, resistance R22, triode Q7 and resistance R24, resistance R22 one end
It is connected with the signal output part of the MCU chip U4, the resistance R22 other end is connected with triode Q7 base stage, triode Q7
Base stage be also grounded by resistance R24, triode Q7 grounded emitter, triode Q7 colelctor electrode and the circuit interface
Second input is connected, and triode Q7 colelctor electrode is also connected by resistance R15 with power voltage terminal；
Wherein, the first output end of the circuit interface is corresponding with the second input；First access port of the circuit interface
It is corresponding with the second output end.
Further, triode Q5, triode Q6, triode Q7 and triode Q8 be PNP triode, PMOS with
And any of NMOS tube.
Further, the Capacitor apart communication is isolated in communication and HDQ isolation communications for IIC isolation communication, UART
It is any.
Second aspect, the present invention also provide a kind of battery communication isolating device, including control unit, and as described above first
Battery communication isolation circuit described in aspect, described control unit are used for the work shape for controlling the battery communication isolation circuit
State.
Compared with prior art, the invention has the advantages that：
The structure of the battery communication isolation circuit is simple, and low manufacture cost, suitable for the communication between sophisticated functions product
Isolation, can not only improve communication efficiency, moreover it is possible to improve the using experience degree of user, strengthen the applicable performance of product.
Brief description of the drawings
, below will be to operation logic and use in order to illustrate more clearly of operation logic of the present invention and the technical scheme used
Technology in the required accompanying drawing used be briefly described.It is clear that drawings in the following description are only the present invention's
Some operation examples, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structure principle chart of battery communication isolation circuit of the present invention；
Fig. 2 is a kind of circuit diagram of battery communication isolation circuit of the present invention；
Fig. 3 is a kind of another circuit diagram of battery communication isolation circuit of the present invention.
Embodiment
In order to allow those skilled in the art to more fully understand technical scheme, below in conjunction with the accompanying drawings to the present invention
It is further elaborated.
Such as Fig. 1, a kind of battery communication isolation circuit, including, multiple MCU control modules, the MCU control module is used for pair
Communication information carries out receiving decoding and coding is sent.Multiple Capacitor apart communication modules, the Capacitor apart communication module
Quantity be less than or equal to the MCU control module quantity, and different Capacitor apart communication modules accordingly from different MCU
Control module is electrical connected, and Capacitor apart communication is carried out by a circuit interface between different Capacitor apart communication modules, with
Realize the exchange of communication information.
Specifically, the battery communication isolation circuit can single battery class product or multiple battery classes product it
Between realize communication isolation, moreover it is possible to so that improving communication reliability when communication information exchanges, antijamming capability is stronger.Ordinary circumstance
Under, Capacitor apart communication can be any of IIC isolates communication, UART isolates communication and HDQ isolation communicates, certainly,
The mode of above-mentioned three kinds of Capacitor aparts communication is not limited in the embodiment of the present invention.Meanwhile the product of battery class generally comprises
The product related to lithium ion battery.Meanwhile as preferable situation, it typically can include a MCU in each product and control
Module and a Capacitor apart communication module.In addition, two DATA in Fig. 1 refer to communications protocol content, for sending
Coded data and reception decoding data.
As further embodiment, the battery communication isolation circuit can include two MCU control modules and two
Individual Capacitor apart communication module.As shown in fig. 1, the product A and product B connected by circuit interface can be included, wherein
Product A can include one of MCU control module and one of Capacitor apart communication module 1；Product B can include another
One MCU control module and another Capacitor apart communication module 2.Certainly, battery communication isolation circuit can with multiple products,
It may then pass through circuit interface to be connected accordingly as needed, so as to realize that the Capacitor apart between product communicates.
As shown in Fig. 2 as further embodiment, one of MCU control module can include MCU chip U1, institute
MCU chip U1 is stated accordingly to be electrical connected with one of Capacitor apart communication module.Another MCU control module can include
MCU chip U2, the MCU chip U2 are accordingly electrical connected with another Capacitor apart communication module.One of electric capacity every
It can include the first data input module and the first data outputting module from communication module.
First data input module includes resistance R1, electric capacity C1, triode Q1, resistance R3, resistance R5 and resistance
R11, resistance R1 one end connect a power voltage terminal, and the resistance R1 other end is connected with triode Q1 colelctor electrode, triode
Signal input part of the Q1 colelctor electrode also with the MCU chip U1 is connected, triode Q1 grounded emitter, triode Q1 base
Pole is connected by resistance R3 with electric capacity C1 one end, and the electric capacity CI other end is connected with one end of the circuit interface, triode
Q1 base stage is grounded by resistance R5, and electric capacity C1 one end is also connected by resistance R11 with power voltage terminal.
First data outputting module includes resistance R7, triode Q4 and resistance R9, resistance R7 one end with it is described
MCU chip U1 signal output part is connected, and the resistance R7 other end is connected with triode Q4 base stage, and triode Q4 base stage is also
It is grounded by resistance R9, triode Q4 grounded emitter, triode Q4 colelctor electrode passes through electric capacity C1 and the circuit interface
One end be connected.
Further, another Capacitor apart communication module includes the second data input module and the second data output mould
Block.
Second data input module includes resistance R2, electric capacity C2, triode Q2, resistance R4, resistance R6 and resistance
R12, resistance R2 one end connect a power voltage terminal, and the resistance R2 other end is connected with triode Q2 colelctor electrode, triode
Signal input part of the Q2 colelctor electrode also with the MCU chip U2 is connected, triode Q2 grounded emitter, triode Q2 base
Pole is connected by resistance R4 with electric capacity C2 one end, and the electric capacity C2 other end is connected with the other end of the circuit interface, three poles
Pipe Q4 base stage is grounded by resistance R6, and electric capacity C2 one end is also connected by resistance R12 with power voltage terminal.
Second data outputting module includes resistance R8, triode Q3 and resistance R10, resistance R8 one end with it is described
MCU chip U2 signal output part is connected, and the resistance R8 other end is connected with triode Q3 base stage, and triode Q3 base stage is also
It is grounded by resistance R10, triode Q3 grounded emitter, triode Q3 colelctor electrode passes through electric capacity C2 and the circuit interface
The other end be connected.
Specifically, wherein one end of circuit interface has different communications protocol forms from the other end, you can more to realize
The mode of the different feasible Capacitor apart communication of kind.Meanwhile two DATA in Fig. 2 refer to communications protocol content, for
Send coded data and receive decoding data.And MCU chip U1 and MCU chip U2 can to communication information carry out data encoding and
Data decode, so as to realize corresponding communication.
For example, caused by product B during communication signal input product A, the communication signal is by electric capacity C1, resistance R3, three poles
After the transistor switching circuit module of pipe Q1, resistance R1 and resistance R11 compositions, level conversion is carried out at triode Q1, from
And MCU chip U1 is input to, MCU chip U1 can decode to the external communication signal of input.Meanwhile MCU chip U1 can
Exported with producing communication signal, the transistor switching circuit that the communication signal forms through resistance R7, triode Q4, resistance R9
After module, it can be output to through level conversion by electric capacity C1 and circuit interface in product B.
And for example, caused by product A during communication signal input product B, the communication signal is by electric capacity C2, resistance R4, three poles
After the transistor switching circuit module of pipe Q2, resistance R2 and resistance R12 compositions, level conversion is carried out at triode Q2, from
And MCU chip U2 is input to, MCU chip U2 can decode to the external communication signal of input.Meanwhile MCU chip U2 can
Exported with producing communication signal, the transistor switch electricity that the communication signal forms through resistance R8, triode Q3, resistance R10
After the module of road, it can be output to through level conversion by electric capacity C2 and circuit interface in product A.Therefore product A and product B it
Between can realize the exchange of communication information.Similarly, the Capacitor apart between multiple products in the battery communication isolation circuit leads to
News can be realized accordingly.
Further, triode Q1, triode Q2, triode Q3 and triode Q4 be PNP triode, PMOS with
And any of NMOS tube.Certainly, triode Q1, triode Q2, triode Q3 and triode Q4 can also be other shapes
The switching transistor of formula, is not intended to limit in the present embodiment.
As shown in figure 3, as further embodiment, one of MCU control module includes MCU chip U3, the MCU
Chip U3 is accordingly electrical connected with one of Capacitor apart communication module；Another MCU control module includes MCU chip
U4, the MCU chip U4 are accordingly electrical connected with another Capacitor apart communication module, and one of Capacitor apart communicates mould
Block includes the 3rd data input module and the 3rd data outputting module.
3rd data input module includes resistance R13, electric capacity C3, triode Q5, resistance R17 and resistance R19, electricity
The one end for hindering R13 connects a power voltage terminal, and the resistance R13 other end is connected with triode Q5 colelctor electrode, triode Q5's
Signal input part of the colelctor electrode also with the MCU chip U3 is connected, and triode Q5 grounded emitter, triode Q5 base stage is led to
One end that resistance R17 is crossed with electric capacity C3 is connected, and the electric capacity C3 other end is connected with the first output end of the circuit interface, three poles
Pipe Q5 base stage is grounded by resistance R19.
3rd data outputting module includes resistance R14, resistance R21, triode Q8 and resistance R23, resistance R21's
One end is connected with the signal output part of the MCU chip U3, and the resistance R21 other end is connected with triode Q8 base stage, three poles
Pipe Q8 base stage is also grounded by resistance R23, and triode Q8 grounded emitter, triode Q8 colelctor electrode connects with the circuit
The first input end of mouth is connected, and triode Q8 colelctor electrode is also connected by resistance R14 with power voltage terminal.
Further, another Capacitor apart communication module includes the 4th data input module and the 4th data output mould
Block.
4th data input module includes resistance R16, electric capacity C4, triode Q6, resistance R18 and resistance R20, electricity
The one end for hindering R16 connects a power voltage terminal, and the resistance R16 other end is connected with triode Q6 colelctor electrode, triode Q6's
Signal input part of the colelctor electrode also with the MCU chip U4 is connected, and triode Q6 grounded emitter, triode Q6 base stage is led to
One end that resistance R18 is crossed with electric capacity C4 is connected, and the electric capacity C4 other end is connected with the second output end of the circuit interface, three poles
Pipe Q6 base stage is grounded by resistance R20.
3rd data outputting module includes resistance R15, resistance R22, triode Q7 and resistance R24, resistance R22's
One end is connected with the signal output part of the MCU chip U4, and the resistance R22 other end is connected with triode Q7 base stage, three poles
Pipe Q7 base stage is also grounded by resistance R24, and triode Q7 grounded emitter, triode Q7 colelctor electrode connects with the circuit
Second input of mouth is connected, and triode Q7 colelctor electrode is also connected by resistance R15 with power voltage terminal；
Wherein, the first output end of the circuit interface is corresponding with the second input；First access port of the circuit interface
It is corresponding with the second output end.Meanwhile two DATA in Fig. 3 refer to communications protocol content, for send coded data and
Receive decoding data.And MCU chip U3 and MCU chip U4 data encoding can be carried out to communication information and data decode, so as to
Realize corresponding communication.
For example, as communication signal input product A caused by product B, the communication signal is by electric capacity C4, resistance R17, three
After the transistor switching circuit module of pole pipe Q5 and resistance R19 compositions, level conversion is carried out at triode Q5, so as to input
The external communication signal of input can be decoded to MCU chip U3, MCU chip U3.Meanwhile MCU chip U3 can be produced
Communication signal is exported, the transistor switching circuit module that the communication signal forms through resistance R21, triode Q8, resistance R23
Afterwards, can be output to through level conversion by electric capacity C3 and circuit interface in product B.
And for example, caused by product A during communication signal input product B, the communication signal is by electric capacity C4, resistance R16, three poles
After the transistor switching circuit module of pipe Q6 and resistance R18 compositions, level conversion is carried out at triode Q6, so as to be input to
MCU chip U4, MCU chip U4 can decode to the external communication signal of input.Meanwhile MCU chip U4 can produce it is logical
News signal is exported, the transistor switching circuit module that the communication signal forms through resistance R22, triode Q7, resistance R24
Afterwards, can be output to through level conversion by electric capacity C4 and circuit interface in product A.Therefore can between product A and product B
Realize the exchange of communication information.Similarly, the Capacitor apart communication between multiple products in the battery communication isolation circuit can
Enough realized accordingly.
Further, triode Q5, triode Q6, triode Q7 and triode Q8 be PNP triode, PMOS with
And any of NMOS tube.Certainly, triode Q5, triode Q6, triode Q7 and triode Q8 can also be other shapes
The switching transistor of formula, is not intended to limit in the present embodiment.
To sum up, the structure of the battery communication isolation circuit is simple, and low manufacture cost, suitable for sophisticated functions product it
Between communication isolating, communication efficiency can not only be improved, moreover it is possible to improve the using experience degree of user, strengthen the applicable performance of product.
In addition, the embodiment of the present invention additionally provides a kind of battery communication isolating device, including control unit, and as described above
Battery communication isolation circuit described in embodiment, described control unit are used for the work for controlling the battery communication isolation circuit
State.Specifically, control unit can control the communication between the different product in battery communication isolation circuit.Meanwhile on
The concrete structure and operation principle of battery communication isolation circuit have been carried out being described in detail in the above-described embodiments, herein no longer
Repeat.
The wherein specific implementation of above-described embodiment only present invention, its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these obvious alternative forms are equal
Belong to protection scope of the present invention.
Claims (10)
- A kind of 1. battery communication isolation circuit, it is characterised in that including,Multiple MCU control modules, the MCU control module is used to communication information is carried out receiving decoding and coding is sent；Multiple Capacitor apart communication modules, the quantity of the Capacitor apart communication module are less than or equal to the MCU control module Quantity, and different Capacitor apart communication modules is accordingly electrical connected from different MCU control modules, different electric capacity every Capacitor apart communication is carried out by a circuit interface between communication module, to realize the exchange of communication information.
- 2. battery communication isolation circuit as claimed in claim 1, it is characterised in that the battery communication isolation circuit includes two Individual MCU control module and two Capacitor apart communication modules.
- 3. battery communication isolation circuit as claimed in claim 2, it is characterised in that one of MCU control module includes MCU Chip U1, the MCU chip U1 are accordingly electrical connected with one of Capacitor apart communication module；Another MCU controls mould Block is accordingly electrical connected including MCU chip U2, the MCU chip U2 with another Capacitor apart communication module, one of them Capacitor apart communication module includes the first data input module and the first data outputting module；First data input module includes resistance R1, electric capacity C1, triode Q1, resistance R3, resistance R5 and resistance R11, Resistance R1 one end connects a power voltage terminal, and the resistance R1 other end is connected with triode Q1 colelctor electrode, triode Q1's Signal input part of the colelctor electrode also with the MCU chip U1 is connected, and triode Q1 grounded emitter, triode Q1 base stage is led to One end that resistance R3 is crossed with electric capacity C1 is connected, and the electric capacity CI other end is connected with one end of the circuit interface, triode Q1's Base stage is grounded by resistance R5, and electric capacity C1 one end is also connected by resistance R11 with power voltage terminal；First data outputting module includes resistance R7, triode Q4 and resistance R9, resistance R7 one end and the MCU core Piece U1 signal output part is connected, and the resistance R7 other end is connected with triode Q4 base stage, and triode Q4 base stage also passes through Resistance R9 is grounded, triode Q4 grounded emitter, triode Q4 colelctor electrode pass through electric capacity C1 and the circuit interface one End is connected.
- 4. battery communication isolation circuit as claimed in claim 3, it is characterised in that another Capacitor apart communication module includes Second data input module and the second data outputting module；Second data input module includes resistance R2, electric capacity C2, triode Q2, resistance R4, resistance R6 and resistance R12, Resistance R2 one end connects a power voltage terminal, and the resistance R2 other end is connected with triode Q2 colelctor electrode, triode Q2's Signal input part of the colelctor electrode also with the MCU chip U2 is connected, and triode Q2 grounded emitter, triode Q2 base stage is led to One end that resistance R4 is crossed with electric capacity C2 is connected, and the electric capacity C2 other end is connected with the other end of the circuit interface, triode Q4 Base stage be grounded by resistance R6, electric capacity C2 one end is also connected by resistance R12 with power voltage terminal；Second data outputting module includes resistance R8, triode Q3 and resistance R10, resistance R8 one end and the MCU Chip U2 signal output part is connected, and the resistance R8 other end is connected with triode Q3 base stage, and triode Q3 base stage is also logical Resistance R10 ground connection, triode Q3 grounded emitter are crossed, triode Q3 colelctor electrode passes through electric capacity C2 and the circuit interface The other end is connected.
- 5. battery communication isolation circuit as claimed in claim 4, it is characterised in that triode Q1, triode Q2, triode Q3 And triode Q4 is any of PNP triode, PMOS and NMOS tube.
- 6. battery communication isolation circuit as claimed in claim 2, it is characterised in that one of MCU control module includes MCU Chip U3, the MCU chip U3 are accordingly electrical connected with one of Capacitor apart communication module；Another MCU controls mould Block is accordingly electrical connected including MCU chip U4, the MCU chip U4 with another Capacitor apart communication module, one of them Capacitor apart communication module includes the 3rd data input module and the 3rd data outputting module；3rd data input module includes resistance R13, electric capacity C3, triode Q5, resistance R17 and resistance R19, resistance R13 one end connects a power voltage terminal, and the resistance R13 other end is connected with triode Q5 colelctor electrode, triode Q5 collection Signal input part of the electrode also with the MCU chip U3 is connected, and triode Q5 grounded emitter, triode Q5 base stage passes through Resistance R17 is connected with electric capacity C3 one end, and the electric capacity C3 other end is connected with the first output end of the circuit interface, triode Q5 base stage is grounded by resistance R19；3rd data outputting module includes resistance R14, resistance R21, triode Q8 and resistance R23, resistance R21 one end It is connected with the signal output part of the MCU chip U3, the resistance R21 other end is connected with triode Q8 base stage, triode Q8 Base stage be also grounded by resistance R23, triode Q8 grounded emitter, triode Q8 colelctor electrode and the circuit interface First input end is connected, and triode Q8 colelctor electrode is also connected by resistance R14 with power voltage terminal.
- 7. battery communication isolation circuit as claimed in claim 6, it is characterised in that another Capacitor apart communication module includes 4th data input module and the 4th data outputting module；4th data input module includes resistance R16, electric capacity C4, triode Q6, resistance R18 and resistance R20, resistance R16 one end connects a power voltage terminal, and the resistance R16 other end is connected with triode Q6 colelctor electrode, triode Q6 collection Signal input part of the electrode also with the MCU chip U4 is connected, and triode Q6 grounded emitter, triode Q6 base stage passes through Resistance R18 is connected with electric capacity C4 one end, and the electric capacity C4 other end is connected with the second output end of the circuit interface, triode Q6 base stage is grounded by resistance R20；3rd data outputting module includes resistance R15, resistance R22, triode Q7 and resistance R24, resistance R22 one end It is connected with the signal output part of the MCU chip U4, the resistance R22 other end is connected with triode Q7 base stage, triode Q7 Base stage be also grounded by resistance R24, triode Q7 grounded emitter, triode Q7 colelctor electrode and the circuit interface Second input is connected, and triode Q7 colelctor electrode is also connected by resistance R15 with power voltage terminal；Wherein, the first output end of the circuit interface is corresponding with the second input；First access port of the circuit interface It is corresponding with the second output end.
- 8. battery communication isolation circuit as claimed in claim 7, it is characterised in that triode Q5, triode Q6, triode Q7 And triode Q8 is any of PNP triode, PMOS and NMOS tube.
- 9. battery communication isolation circuit as claimed in claim 1, it is characterised in that the Capacitor apart communication is isolated for IIC Any of communication, UART isolation communication and HDQ isolation communications.
- 10. a kind of battery communicates isolating device, it is characterised in that including control unit, and such as any one of claim 1 to 9 Described battery communication isolation circuit, described control unit are used for the working condition for controlling the battery communication isolation circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711205065.XA CN107766279B (en) | 2017-11-27 | 2017-11-27 | Battery communication isolation circuit and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711205065.XA CN107766279B (en) | 2017-11-27 | 2017-11-27 | Battery communication isolation circuit and device |
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| CN107766279B CN107766279B (en) | 2023-09-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020087199A1 (en) * | 2018-10-29 | 2020-05-07 | Tridonic Gmbh & Co Kg | Power supply for lamp |
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| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| CN105116819A (en) * | 2015-07-29 | 2015-12-02 | 中国汽车技术研究中心 | Battery management main system suitable for new energy automobile and control method thereof |
| AU2015101407A4 (en) * | 2014-09-29 | 2015-12-10 | Chervon (Hk) Limited | Charging system and charging method thereof and battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| AU2015101407A4 (en) * | 2014-09-29 | 2015-12-10 | Chervon (Hk) Limited | Charging system and charging method thereof and battery pack |
| CN105116819A (en) * | 2015-07-29 | 2015-12-02 | 中国汽车技术研究中心 | Battery management main system suitable for new energy automobile and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020087199A1 (en) * | 2018-10-29 | 2020-05-07 | Tridonic Gmbh & Co Kg | Power supply for lamp |
| CN112970334A (en) * | 2018-10-29 | 2021-06-15 | 赤多尼科两合股份有限公司 | Power supply for a lamp |
| CN112970334B (en) * | 2018-10-29 | 2023-09-29 | 赤多尼科两合股份有限公司 | Power supply for lamp |
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| CN107766279B (en) | 2023-09-05 |
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