CN106526441B - Ignition detection method, device and system - Google Patents
Ignition detection method, device and system Download PDFInfo
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- CN106526441B CN106526441B CN201610962534.1A CN201610962534A CN106526441B CN 106526441 B CN106526441 B CN 106526441B CN 201610962534 A CN201610962534 A CN 201610962534A CN 106526441 B CN106526441 B CN 106526441B
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- examining system
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- isolating chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
Abstract
The embodiment of the invention provides a method, a device and a system for detecting sparking. On one hand, in the embodiment of the invention, the isolation chip is also connected with the system to be tested on the controller connected with the isolation chip, and whether the system to be tested has the ignition phenomenon can be detected according to the output signal of the isolation chip by receiving the output signal of the isolation chip. Therefore, the technical scheme provided by the embodiment of the invention can solve the problem of high implementation cost of the existing ignition detection technology.
Description
[technical field]
The present invention relates to battery technology field more particularly to a kind of Arc detection method, apparatus and detection system.
[background technique]
Currently, due to aging circuit phenomenon or overload etc., it is possible that spark phenomenon, and then lead to the accidents such as fire
Occur.Therefore, whether detection examining system occurs spark phenomenon with regard to particularly important before the accidents such as fire occur.
In the prior art, it is sampled generally by examining system, to collect the electric current of accurate examining system
And/or the numerical value such as voltage, in turn, controller is calculated according to numerical value such as the electric current of the examining system detected and/or voltages
Analysis, to judge whether examining system occurs spark phenomenon.
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery:
Existing Arc detection technology needs accurately to sample examining system, higher to the precise requirements of sampling,
Moreover, the algorithm and policy mandates to controller are higher, therefore, the cost of implementation of Arc detection technology is higher in the prior art.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of Arc detection method, apparatus and detection system, it is existing to solve
The higher problem of cost of implementation existing for some Arc detection technologies.
On the one hand, the embodiment of the invention provides a kind of Arc detection method, the method execution connects with isolating chip
On the controller connect, the isolating chip is also connect with examining system；
The described method includes:
Receive the output signal of the isolating chip；
According to the output signal of the isolating chip, detect whether the examining system occurs spark phenomenon.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, according to it is described every
The output signal of off-chip piece, judges whether the examining system occurs spark phenomenon, comprising:
If the level of the output signal of the isolating chip and the level of the input signal of the isolating chip are inconsistent, inspection
It measures the examining system and spark phenomenon occurs.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the isolated core
The output signal of the piece isolating chip is obtained according to output signal relevant to the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the method is also
Include:
If detecting, spark phenomenon occurs for the examining system, carries out designated treatment.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, it is described to be referred to
Fixed processing, comprising:
Cut off the circuit of the examining system；And/or
Export prompt messages.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, on the controller connecting with isolating chip, isolating chip is also connect with examining system, is led to
The output signal for receiving the isolating chip is crossed, it is then possible to detect described to be measured according to the output signal of the isolating chip
Whether system occurs spark phenomenon.When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complexity is not needed
Circuit design, can be realized by an isolating chip and a controller, detection circuit is simple and reliable, and energy consumption is smaller, and
Failure rate is lower；Also, in the embodiment of the present invention, the level of the output signal of isolating chip and the level one of input signal are utilized
The characteristic of cause, controller only need simply to be judged whether can be detected out examining system to the output signal of isolating chip
Spark phenomenon has occurred, controller is not both needed to treat the parameters such as voltage, the electric current of examining system progress precise acquisition, not needed yet
Other complicated algorithms and strategy, the requirement to controller is lower, and implementation is simple and convenient, and flexibility is higher, and can be effective
Improve detection efficiency；Therefore, the embodiment of the present invention solves existing for existing Arc detection technology that cost of implementation is higher to ask
Topic.
On the one hand, the embodiment of the invention also provides a kind of Arc detection method, the method execute with examining system
On the isolating chip of connection；
The described method includes:
Receive output signal relevant to the examining system；
According to the output signal relevant to the examining system, detect whether the examining system occurs sparking now
As.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, according to it is described with
The relevant output signal of the examining system, judges whether the examining system occurs spark phenomenon, comprising:
If the rate of change of the output signal relevant to the examining system reaches preset rate-valve value, detect
Spark phenomenon occurs for the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, and it is described to be measured
The relevant output signal of system includes first voltage signal and second voltage signal；
The method also includes:
Rate of change of the first voltage signal relative to the second voltage signal is obtained, to believe as the output
Number rate of change.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, first electricity
Pressing signal includes at least one in total positive voltage signal of the examining system and total negative voltage signal of the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, second electricity
Pressure signal include total positive voltage signal of the examining system, the examining system total negative voltage signal and with the system to be measured
At least one in the voltage signal of the shell of system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the method is also
Include:
If detecting, spark phenomenon occurs for the examining system, sends indication signal to controller, the indication signal is used
To indicate that the controller carries out designated treatment.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, on the isolating chip being connect with examining system, by receiving and the examining system phase
The output signal of pass, it is then possible to which detecting the examining system is according to the output signal relevant to the examining system
No generation spark phenomenon.When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit is not needed
Design, can be realized, it is no longer necessary to which other additional hardware structures, detection circuit is simple and reliable, energy by an isolating chip
Consumption is smaller, and failure rate is lower；Also, in the embodiment of the present invention, isolating chip only needs to obtain the output signal received
Rate of change, thus, a simple judgement is carried out to the rate of change of output signal, can be detected out whether examining system occurs
Spark phenomenon, isolating chip do not need other complicated algorithms and strategy, require controller extremely low, and implementation is simply square
Just, flexibility is higher, and can effectively improve detection efficiency；Therefore, the embodiment of the present invention solves existing Arc detection technology
The existing higher problem of cost of implementation.
On the other hand, the embodiment of the invention provides a kind of Arc detection device, described device setting with isolating chip
On the controller of connection, the isolating chip is also connect with examining system；
Described device includes:
Receiving unit, for receiving the output signal of the isolating chip；
Detection unit detects whether the examining system strikes sparks for the output signal according to the isolating chip
Phenomenon.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the detection are single
Member is specifically used for:
If the level of the output signal of the isolating chip and the level of the input signal of the isolating chip are inconsistent, inspection
It measures the examining system and spark phenomenon occurs.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the isolated core
The output signal of the piece isolating chip is obtained according to output signal relevant to the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described device is also
Include:
Processing unit, if carrying out designated treatment for detecting that spark phenomenon occurs for the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the processing are single
Member is specifically used for:
Cut off the circuit of the examining system；And/or
Export prompt messages.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, detection device is arranged on the controller connecting with isolating chip, isolating chip also with to
Examining system connection, the output signal of the isolating chip is received by the receiving unit in detection device, it is then detected that in device
Detection unit can detect whether the examining system occurs spark phenomenon according to the output signal of the isolating chip.
Examining system is detected in the embodiment of the present invention when whether spark phenomenon occurs, does not need complicated circuit design, by one every
Off-chip piece and a controller can be realized, and detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；Also, the present invention
In embodiment, using the level of the output signal of isolating chip and the consistent characteristic of the level of input signal, controller only needs
The output signal of isolating chip is simply judged, can be detected out whether examining system has occurred spark phenomenon, controller
Both it does not need to treat the parameters such as voltage, the electric current of examining system progress precise acquisition, does not need other complicated algorithms and strategy yet,
Requirement to controller is lower, and implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；Therefore, this hair
Bright embodiment solves the problems, such as that cost of implementation existing for existing Arc detection technology is higher.
On the other hand, the embodiment of the invention also provides a kind of Arc detection device, described device setting with system to be measured
It unites on the isolating chip being connected；
Described device includes:
Receiving unit, for receiving output signal relevant to the examining system；
Detection unit, for according to the output signal relevant to the examining system, detecting the examining system to be
No generation spark phenomenon.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the detection are single
Member is specifically used for:
If the rate of change of the output signal relevant to the examining system reaches preset rate-valve value, detect
Spark phenomenon occurs for the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, and it is described to be measured
The relevant output signal of system includes first voltage signal and second voltage signal；
Described device further include:
Acquiring unit, for obtaining rate of change of the first voltage signal relative to the second voltage signal, with
Rate of change as the output signal.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, first electricity
Pressing signal includes at least one in total positive voltage signal of the examining system and total negative voltage signal of the examining system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, second electricity
Pressure signal include total positive voltage signal of the examining system, the examining system total negative voltage signal and with the system to be measured
At least one in the voltage signal of the shell of system.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described device is also
Include:
Transmission unit, if sending indication signal to controller, institute for detecting that spark phenomenon occurs for the examining system
Indication signal is stated to indicate that the controller carries out designated treatment.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
In the embodiment of the present invention, detection device is arranged on the isolating chip connecting with examining system, passes through detection device
In receiving unit receive relevant to examining system output signal, it is then detected that the detection unit in device
According to the output signal relevant to the examining system, detect whether the examining system occurs spark phenomenon.The present invention
When whether detection examining system occurs spark phenomenon in embodiment, complicated circuit design is not needed, an isolating chip is passed through
It can be realized, it is no longer necessary to which other additional hardware structures, detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；And
And in the embodiment of the present invention, isolating chip only needs to obtain the rate of change of the output signal received, thus, output is believed
Number rate of change carry out a simple judgement, can be detected out whether examining system has occurred spark phenomenon, isolating chip is not
The algorithm and strategy for needing other complicated, extremely low to controller requirement, implementation is simple and convenient, and flexibility is higher, and can have
Effect improves detection efficiency；Therefore, it is higher to solve cost of implementation existing for existing Arc detection technology for the embodiment of the present invention
Problem.
In another aspect, being beaten the embodiment of the invention provides a kind of detection system including examining system and the first above-mentioned
Fire detection device.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit design is not needed, is led to
Crossing an isolating chip and a controller can be realized, and detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；And
And in the embodiment of the present invention, the logic level and the consistent characteristic of input logic level of the output signal of isolating chip, control are utilized
Device processed only needs simply to judge the output signal of isolating chip, and can be detected out examining system, that sparking whether has occurred is existing
As controller does not both need to treat the parameters such as voltage, the electric current of examining system progress precise acquisition, does not need other complicated calculations yet
Method and strategy, the requirement to controller is lower, and implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；
Therefore, the embodiment of the present invention solves the problems, such as that cost of implementation existing for existing Arc detection technology is higher.
In another aspect, the embodiment of the invention also provides a kind of detection systems, comprising: examining system and above-mentioned second
Arc detection device.
A technical solution in above-mentioned technical proposal has the following beneficial effects:
When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit design is not needed, is led to
Crossing an isolating chip can be realized, it is no longer necessary to and other additional hardware structures, detection circuit is simple and reliable, and energy consumption is smaller,
And failure rate is lower；Also, in the embodiment of the present invention, isolating chip only needs to obtain the variation speed of the output signal received
Rate, thus, a simple judgement is carried out to the rate of change of output signal, can be detected out whether examining system is struck sparks
Phenomenon, isolating chip do not need other complicated algorithms and strategy, extremely low to controller requirement, and implementation is simple and convenient, spirit
Activity is higher, and can effectively improve detection efficiency；Therefore, the embodiment of the present invention solves existing for existing Arc detection technology
The higher problem of cost of implementation.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the first pass schematic diagram of Arc detection method provided by the embodiment of the present invention；
Fig. 2 is the electrical block diagram of Arc detection method provided in an embodiment of the present invention；
Fig. 3 is signal flow schematic diagram in the embodiment of the present invention；
Fig. 4 is the output signal schematic diagram of isolating chip in the embodiment of the present invention；
Fig. 5 is the second procedure schematic diagram of Arc detection method provided by the embodiment of the present invention；
Fig. 6 is the schematic diagram of output signal relevant to examining system in the embodiment of the present invention；
Fig. 7 is the first functional block diagram of Arc detection device provided by the embodiment of the present invention；
Fig. 8 is the second functional block diagram of Arc detection device provided by the embodiment of the present invention；
Fig. 9 is the first functional block diagram of detection system provided by the embodiment of the present invention；
Figure 10 is the second functional block diagram of detection system provided by the embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though voltage letter may be described using term first, second, third, etc. in embodiments of the present invention
Number, but these voltage signals should not necessarily be limited by these terms.These terms are only used to for voltage signal being distinguished from each other out.For example,
In the case where not departing from range of embodiment of the invention, first voltage signal can also be referred to as second voltage signal, similarly, the
Two voltage signals can also be referred to as first voltage signal.
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
Embodiment one
The embodiment of the present invention provides a kind of Arc detection method, referring to FIG. 1, it beats for the embodiment of the present invention is provided
The first pass schematic diagram of fiery detection method.
As shown in Figure 1, method includes the following steps:
S101 receives the output signal of isolating chip.
It should be noted that detection method provided in an embodiment of the present invention is executed in the controller connecting with isolating chip
On, which also connect with examining system.
For example, referring to FIG. 2, it is the electrical block diagram of Arc detection method provided in an embodiment of the present invention.Fig. 2
In GND indicate ground connection, VDD be isolating chip power pins, Input be isolating chip input pin, Output be every
The output pin of off-chip piece.As shown in Fig. 2, isolating chip provides electric energy by two power supplys, system to be measured is connected on the left of isolating chip
System, isolating chip right side are also connected with controller.
In the embodiment of the present invention, the isolated power supply at isolating chip both ends can be DC power supply, for example, can be 3~5V
DC power supply.
As shown in Fig. 2, isolating chip can receive output signal relevant to examining system, and according to examining system phase
The output signal of pass exports the output signal of itself to controller, and therefore, controller can be believed according to the output of isolating chip
Number, whether detection examining system occurs spark phenomenon.
It should be noted that the embodiment of the present invention is to the model and type of isolating chip without being particularly limited to.For example, every
Off-chip piece can use the isolating chip of Si86XX model.
Specifically, the output signal of isolating chip is isolating chip according to related to examining system in the embodiment of the present invention
Output signal obtain.
During a concrete implementation, output signal relevant to examining system can be voltage signal.
It should be noted that the number of output signal relevant to examining system is at least two in the embodiment of the present invention,
The number of the output signal for the isolating chip that controller can receive is at least one.
For example, at least two different positions connection isolating chips can be selected in examining system, and to isolating chip
Export output signal relevant to examining system on this at least two different location.The tool for the examining system being connect with isolating chip
Body position can be selected according to actual needs, and the embodiment of the present invention is to this without being particularly limited to.
Referring to FIG. 3, it is signal flow schematic diagram in the embodiment of the present invention.As shown in figure 3, isolating chip can receive
The output signal relevant to examining system arrived is measured signal and reference signal, and the embodiment of the present invention is without being particularly limited to.
As shown in figure 3, can export itself outputs signal to controller after isolating chip receives measured signal and reference signal,
In order to which controller can detect whether examining system occurs spark phenomenon according to the output signal of the isolating chip received.
It is specifically described so that examining system is battery pack as an example.Isolating chip receives relevant to examining system defeated
Signal can include but is not limited to out: total positive voltage signal of battery pack, total negative voltage signal of battery pack and battery pack it is outer
At least two in shell voltage signal.Wherein it is possible to which total negative voltage signal of total positive voltage signal of battery pack, battery pack is made
For measured signal as shown in Figure 3, using the voltage signal of battery pack case as reference signal as shown in Figure 3.
Wherein, total positive voltage signal of battery pack can include but is not limited to: the total positive voltage signal of the input of battery pack and
At least one of total positive voltage signal of the output of battery pack.Total negative voltage signal of battery pack can include but is not limited to: electricity
At least one of the total negative voltage signal of input of Chi Bao and the total negative voltage signal of output of battery pack.
Specifically, the anode outside of battery pack is connected with isolating chip, isolating chip receives and examining system
Relevant output signal is the total positive voltage signal of output of battery pack；The anode inside of battery pack is connected with isolating chip,
The output signal relevant to examining system that isolating chip receives is the total positive voltage signal of input of battery pack；By battery pack
It is connected on the outside of cathode with isolating chip, the output signal relevant to examining system that isolating chip receives is the defeated of battery pack
Total negative voltage signal out；It will be connected on the inside of the cathode of battery pack with isolating chip, isolating chip receives and examining system
Relevant output signal is the total negative voltage signal of input of battery pack；The shell of battery pack is connected with isolating chip, is isolated
The output signal relevant to examining system that chip receives is the voltage signal of battery pack case.
S102 detects whether examining system occurs spark phenomenon according to the output signal of isolating chip.
According to the characteristic of isolating chip, the level of the input signal of isolating chip and the level of output signal are consistent,
Therefore, the embodiment of the present invention is according to the output signal of isolating chip, when whether detection examining system occurs spark phenomenon, if output
The level of the input signal of the level and isolating chip of signal is inconsistent, is detected by examining system and spark phenomenon occurs；Alternatively,
If the level of output signal is consistent with the level of the input signal of isolating chip, it is existing there is no striking sparks to be detected by examining system
As.
Specifically, the incoming level of control isolating chip of the embodiment of the present invention remains unchanged, therefore, do not have in examining system
When spark phenomenon occurs, the level value of isolating chip output signal and the incoming level of isolating chip are consistent.In this way, if to
Spark phenomenon has occurred in examining system, then the output signal relevant to examining system that isolating chip receives just will appear biggish
Rate of change, and when the common mode transmission that the rate of change of output signal relevant to examining system is greater than isolating chip inhibits ratio
When representative value, the level value of isolating chip output signal just will appear variation, and no longer remain unchanged.Therefore, if isolating chip
The level of output signal and the incoming level of isolating chip are inconsistent, so that it may determine that spark phenomenon occurs for examining system.
It is understood that the common mode transmission of isolating chip inhibits the representative value of ratio related with the model of isolating chip, example
Such as, it is 50KV/ μ s that the common mode transmission of the isolating chip of Si86XX model, which inhibits the representative value of ratio, which can detecte
Maximum voltage be 1500V.
Specifically, referring to FIG. 4, it is the output signal schematic diagram of isolating chip in the embodiment of the present invention.Such as Fig. 4 institute
Show, the level value of a-signal remains unchanged, under normal circumstances, i.e., there is no when spark phenomenon, controller is received for examining system
The output signal of the isolating chip arrived.The level value of B signal is changed, and is no longer consistent with the level of input signal,
The output signal for the isolating chip that controller receives when spark phenomenon occurs for examining system.
If the output signal of the isolating chip received is a-signal as shown in Figure 4, can be detected examining system does not have
Spark phenomenon occurs；Alternatively, if the output signal of the isolating chip received be B signal as shown in Figure 4, can be detected to
Spark phenomenon has occurred in examining system.In this way, by the isolating chip output signal that receives, can determination rapidly and efficiently it is to be measured
Whether system occurs spark phenomenon.
It should be noted that since the output signal of the isolating chip received is that isolating chip is received according to isolating chip
Output signal relevant to the examining system output arrived, therefore, according to the difference of output signal relevant to the decorum to be measured, connect
The output signal of the isolating chip received is also different.
It, can be by one and system to be measured in output signal relevant to examining system during a concrete implementation
Relevant output signal unite as reference signal, then, at least one output signal phase relevant to examining system according to other
For the rate of change of the reference signal, the output signal of at least one isolating chip is exported.Specifically, if isolating chip receives
The number of the output signal relevant to examining system arrived is N, and N is the integer greater than 1, then the number of the output signal of isolating chip
Mesh can be [1, N-1].
By taking examining system is battery pack as an example, if output signal relevant to the examining system difference that isolating chip receives
Are as follows: the sheath voltage signal of total positive voltage signal of battery pack, total negative voltage signal of battery pack and battery pack.Wherein, battery
The sheath voltage signal of packet can be used as said reference signal.
Isolating chip can export an output signal, it is assumed that be the first output signal, then the first output signal is isolation
Total examining system output signal that chip is obtained according to total positive voltage signal of battery pack and total negative voltage signal of battery pack, and
It is obtained according to total examining system output signal compared to the sheath voltage signal of battery pack.In this way, according to received
One output signal, can detecte whether examining system occurs spark phenomenon.
Alternatively, isolating chip can also export two output signals, respectively the second output signal and third year output letter
Number.Wherein, the second output signal is sheath voltage of the isolating chip according to total positive voltage signal of battery pack compared to battery pack
What signal obtained, third output signal is that isolating chip is electric compared to the shell of battery pack according to total negative voltage signal of battery pack
Pressure signal obtains.In this way, can detecte battery pack corresponding to the second output signal according to the second output signal received
Anode whether spark phenomenon occurs, the corresponding electricity of third output signal can detecte according to the third output signal received
Whether the cathode of Chi Bao occurs spark phenomenon.
Therefore, Arc detection method provided in an embodiment of the present invention can reduce examining system hair under certain conditions
The specific range of raw spark phenomenon, be more advantageous to detect and eliminate before the generation of the accidents such as fire examining system sparking it is hidden
Suffer from, reduces unnecessary life and property loss.
Further, in the embodiment of the present invention, if detecting, spark phenomenon occurs for examining system, can also be directed to system to be measured
The spark phenomenon that system occurs carries out designated treatment.
Specifically, carrying out the implementation of designated treatment in the embodiment of the present invention, can include but is not limited to following two
Mode:
The first: cutting off the circuit of examining system.
Second: output prompt messages.
It is understood that above two implementation is only to illustrate this programme, not to limit the application.One
During a concrete implementation, if detecting, spark phenomenon occurs for examining system, can be according to one of above two method
Method is handled, and can also be handled simultaneously using above-mentioned two methods, the embodiment of the present invention is to this without special
It limits.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, on the controller connecting with isolating chip, isolating chip is also connect with examining system, is led to
The output signal for receiving isolating chip is crossed, it is then possible to which whether detection examining system occurs according to the output signal of isolating chip
Spark phenomenon.When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit design is not needed, is led to
Crossing an isolating chip and a controller can be realized, and detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；And
And in the embodiment of the present invention, the level of the output signal of isolating chip and the consistent characteristic of the level of input signal, control are utilized
Device only needs simply to judge the output signal of isolating chip, and can be detected out examining system, that sparking whether has occurred is existing
As controller does not both need to treat the parameters such as voltage, the electric current of examining system progress precise acquisition, does not need other complicated calculations yet
Method and strategy, the requirement to controller is lower, and implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；
Therefore, the embodiment of the present invention solves the problems, such as that cost of implementation existing for existing Arc detection technology is higher.
Embodiment two
The embodiment of the present invention provides a kind of Arc detection method, referring to FIG. 5, it beats for the embodiment of the present invention is provided
The second procedure schematic diagram of fiery detection method.
As shown in figure 5, method includes the following steps:
S501 receives output signal relevant to examining system.
It should be noted that detection method provided in an embodiment of the present invention is executed in the isolating chip connecting with examining system
On.
The embodiment of the present invention is to the model and type of isolating chip without being particularly limited to.For example, specific real at one
During now, isolating chip can use the isolating chip of Si86XX model.
During a concrete implementation, the output signal relevant to examining system that isolating chip receives can be
Voltage signal.
It should be noted that in the embodiment of the present invention, output signal relevant to examining system that isolating chip receives
Number be at least two.
For example, at least two different positions connection isolating chips can be selected in examining system, and to isolating chip
Export the output signal relevant to examining system on this at least two different location.The examining system being connect with isolating chip
Specific location can be selected according to actual needs, and the embodiment of the present invention is to this without being particularly limited to.
It is specifically described so that examining system is battery pack as an example.Isolating chip receives relevant to examining system defeated
Signal can include but is not limited to out: total positive voltage signal of battery pack, total negative voltage signal of battery pack and battery pack it is outer
At least two in shell voltage signal.Wherein it is possible to using the voltage signal of battery pack case as reference signal.
Wherein, total positive voltage signal of battery pack can include but is not limited to: the total positive voltage signal of the input of battery pack and
At least one of total positive voltage signal of the output of battery pack.Total negative voltage signal of battery pack can include but is not limited to: electricity
At least one of the total negative voltage signal of input of Chi Bao and the total negative voltage signal of output of battery pack.
Specifically, the anode outside of battery pack is connected with isolating chip, isolating chip receives and examining system
Relevant output signal is the total positive voltage signal of output of battery pack；The anode inside of battery pack is connected with isolating chip,
The output signal relevant to examining system that isolating chip receives is the total positive voltage signal of input of battery pack；By battery pack
It is connected on the outside of cathode with isolating chip, the output signal relevant to examining system that isolating chip receives is the defeated of battery pack
Total negative voltage signal out；It will be connected on the inside of the cathode of battery pack with isolating chip, isolating chip receives and examining system
Relevant output signal is the total negative voltage signal of input of battery pack；The shell of battery pack is connected with isolating chip, is isolated
The output signal relevant to examining system that chip receives is the voltage signal of battery pack case.
S502 detects whether examining system occurs spark phenomenon according to output signal relevant to examining system.
In the embodiment of the present invention, according to the output signal relevant to examining system received, whether examining system is detected
When spark phenomenon occurs, if the rate of change of output signal has reached preset rate-valve value, it is detected by examining system
Spark phenomenon；Alternatively, being detected by examining system does not have if the rate of change of output signal does not reach preset rate-valve value
Spark phenomenon occurs.
During a concrete implementation, the common mode transmission that rate-valve value can be preset as isolating chip inhibits the allusion quotation of ratio
Offset.It is understood that the common mode transmission of isolating chip inhibits the representative value of ratio related with the model of isolating chip, for example,
It is 50KV/ μ s that the common mode transmission of the isolating chip of Si86XX model, which inhibits the representative value of ratio, what which can detecte
Maximum voltage is 1500V.
Specifically, in the embodiment of the present invention, if examining system has occurred spark phenomenon, isolating chip receive with to
The relevant output signal of examining system just will appear biggish rate of change, and when the variation of output signal relevant to examining system
When rate is greater than preset rate-valve value, isolating chip can detect that spark phenomenon occurs for examining system.
Specifically, in the embodiment of the present invention, if the output signal relevant to examining system that isolating chip receives includes
First voltage signal and second voltage signal can then obtain variation speed of the first voltage signal relative to second voltage signal
Rate, using the rate of change as output signal relevant to examining system.
It is 10V for example, if the second voltage signal received remains unchanged, the received whithin a period of time
One voltage signal is respectively 5V, 8V, 12V, 18V, 11V, then the changing value for obtaining the first signal compared to second signal is distinguished
Are as follows: -5, -2 ,+2 ,+8 ,+1, in this way, the similar output signal relevant to examining system of available a-signal as shown in FIG. 6
Schematic diagram.
Specifically, referring to FIG. 6, it is the schematic diagram of output signal relevant to examining system in the embodiment of the present invention.
Horizontal line as shown in FIG. 6 indicates the voltage value of second signal, is a reference value of the first signal, the first signal is using second signal as base
Standard has different degrees of fluctuation up and down.Therefore, first signal at current time in a-signal as shown in Figure 6 is obtained relative to second
The rate of change of signal, as slope of a curve corresponding to current time.
During a concrete implementation, a-signal as shown in FIG. 6 is that there is no connecing when spark phenomenon for examining system
Receive output signal relevant to examining system；B signal as shown in FIG. 6 is that examining system occurs to receive when spark phenomenon
Output signal relevant to examining system.
During a concrete implementation, if the output signal relevant to examining system received is as shown in Figure 6
A-signal, can be detected examining system, there is no spark phenomenons；Alternatively, if what is received is relevant to examining system defeated
Signal is B signal as shown in FIG. 6 out, can be detected examining system and spark phenomenon has occurred.In this way, by receive with
The relevant output signal of examining system, can determination examining system rapidly and efficiently whether spark phenomenon occurs.
Specifically, spark phenomenon occurs for examining system if detecting in the embodiment of the present invention, indication signal is sent to control
Device, indication signal is to indicate that controller carries out designated treatment.
It should be noted that according to the difference of the output signal relevant to examining system received, isolating chip output
Indication signal be also different.
It, can be by one and system to be measured in output signal relevant to examining system during a concrete implementation
Relevant output signal unite as reference signal, then, at least one output signal phase relevant to examining system according to other
It for the rate of change of the reference signal, detects whether examining system occurs spark phenomenon, and exports indication signal.Specifically,
If the number for the output signal relevant to examining system that isolating chip receives is N, N is the integer greater than 1, then isolating chip
The number of the indication signal of output can be [1, N-1].
By taking examining system is battery pack as an example, if output signal relevant to the examining system difference that isolating chip receives
Are as follows: the sheath voltage signal of total positive voltage signal of battery pack, total negative voltage signal of battery pack and battery pack.Wherein, battery
The sheath voltage signal of packet is benchmark signal.
Then isolating chip can export an indication signal, it is assumed that be the first indication signal, then the first indication signal be every
Total examining system output signal that off-chip piece is obtained according to total positive voltage signal of battery pack and total negative voltage signal of battery pack,
And obtained according to total examining system output signal compared to the sheath voltage signal of battery pack.In this way, according to receiving
First indication signal, can detecte whether examining system occurs spark phenomenon, and detect that it is existing that sparking occurs for examining system
As when instruction controller to examining system carry out designated treatment.
Alternatively, isolating chip can export two indication signals, respectively the second indication signal and third indication signal.Its
In, the second indication signal is that isolating chip is obtained according to total positive voltage signal of battery pack compared to the sheath voltage signal of battery pack
It arrives, third indication signal is sheath voltage signal of the isolating chip according to total negative voltage signal of battery pack compared to battery pack
It obtains.In this way, can detecte the anode to the corresponding battery pack of the second indication signal according to the second indication signal received
Spark phenomenon whether occurs, and when spark phenomenon occurs for the anode for detecting battery pack, indicates controller to battery pack just
Pole carries out designated treatment；Meanwhile the corresponding battery of third indication signal can detecte according to the third indication signal received
Whether the cathode of packet occurs spark phenomenon, and when spark phenomenon occurs for the cathode for detecting battery pack, indicates controller to electricity
The cathode of Chi Bao carries out designated treatment.
Therefore, Arc detection method provided in an embodiment of the present invention can reduce examining system hair under certain conditions
The specific range of raw spark phenomenon, be more advantageous to detect and eliminate before the generation of the accidents such as fire examining system sparking it is hidden
Suffer from, reduces unnecessary life and property loss.
During a concrete implementation, first voltage signal include examining system total positive voltage signal and system to be measured
At least one in total negative voltage signal of system.
During another concrete implementation, second voltage signal includes total positive voltage signal, to be measured of examining system
Total negative voltage signal of system and at least one in the voltage signal of the shell of examining system.
It should be noted that the first signal and the second signal are not identical.
The embodiment of the present invention can indicate that controller carries out the implementation of designated treatment to examining system to indication signal
Without being particularly limited to.
For example, can include but is not limited to when indication signal can indicate that controller carries out designated treatment to examining system
Following two mode:
The first: cutting off the circuit of examining system.
Second: output prompt messages.
It is understood that above two implementation is only to illustrate this programme, not to limit the application.One
During a concrete implementation, if detecting, spark phenomenon occurs for examining system, and controller can be indicated according to above two side
One of method method is handled, and be can also indicate that controller while being handled using above-mentioned two methods, the present invention
Embodiment is to this without being particularly limited to.
A technical solution in the embodiment of the present invention has the following beneficial effects:
It is relevant to examining system by receiving on the isolating chip being connect with examining system in the embodiment of the present invention
Output signal, it is then possible to which whether detection examining system occurs spark phenomenon according to output signal relevant to examining system.
Examining system is detected in the embodiment of the present invention when whether spark phenomenon occurs, does not need complicated circuit design, by one every
Off-chip piece can be realized, it is no longer necessary to which other additional hardware structures, detection circuit is simple and reliable, and energy consumption is smaller, and failure rate
It is lower；Also, in the embodiment of the present invention, isolating chip only needs to obtain the rate of change of the output signal received, thus, it is right
The rate of change of output signal carries out a simple judgement, can be detected out whether examining system has occurred spark phenomenon, is isolated
Chip does not need other complicated algorithms and strategy, extremely low to controller requirement, and implementation is simple and convenient, and flexibility is higher,
And detection efficiency can be effectively improved；Therefore, the embodiment of the present invention solves cost of implementation existing for existing Arc detection technology
Higher problem.
Embodiment three
Arc detection method provided by one based on the above embodiment, the embodiment of the present invention, which further provides, realizes above-mentioned side
The Installation practice of each step and method in method embodiment.
Referring to FIG. 7, its first functional block diagram for Arc detection device provided by the embodiment of the present invention.Such as Fig. 7
Shown, Arc detection device provided in the embodiment of the present invention is arranged on the controller connecting with isolating chip, wherein every
Off-chip piece is also connect with examining system.
As shown in fig. 7, the device includes:
Receiving unit 71, for receiving the output signal of isolating chip；
Detection unit 72 detects whether examining system occurs spark phenomenon for the output signal according to isolating chip.
During a concrete implementation, detection unit 72 is specifically used for:
If the level of the input signal of the level and isolating chip of the output signal of isolating chip is inconsistent, detect to be measured
Spark phenomenon occurs for system.
Specifically, the output signal of isolating chip is isolating chip according to related to examining system in the embodiment of the present invention
Output signal obtain.
Specifically, in the embodiment of the present invention, device can also include:
Processing unit 73, if carrying out designated treatment for detecting that spark phenomenon occurs for examining system.
During a concrete implementation, processing unit 73 is specifically used for:
Cut off the circuit of examining system；And/or
Export prompt messages.
Method shown in FIG. 1 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 1.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, detection device is arranged on the controller connecting with isolating chip, isolating chip also with to
Examining system connection, the output signal of isolating chip is received by the receiving unit in detection device, it is then detected that the inspection in device
Surveying unit can detect whether examining system occurs spark phenomenon according to the output signal of isolating chip.The embodiment of the present invention
When whether middle detection examining system occurs spark phenomenon, complicated circuit design is not needed, an isolating chip and one are passed through
Controller can be realized, and detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；Also, in the embodiment of the present invention, benefit
With the level of the output signal of isolating chip and the consistent characteristic of the level of input signal, controller is only needed to isolating chip
Output signal is simply judged, can be detected out whether examining system has occurred spark phenomenon, and controller does not both need to treat
The parameters such as voltage, the electric current of examining system carry out precise acquisition, also do not need other complicated algorithms and strategy, want to controller
Ask lower, implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；Therefore, the embodiment of the present invention solves
Cost of implementation higher problem existing for existing Arc detection technology.
Example IV
Arc detection method provided by two based on the above embodiment, the embodiment of the present invention, which further provides, realizes above-mentioned side
The Installation practice of each step and method in method embodiment.
Referring to FIG. 8, its second functional block diagram for Arc detection device provided by the embodiment of the present invention.Such as Fig. 8
Shown, Arc detection device provided in the embodiment of the present invention is arranged on the isolating chip being connected with examining system.
As shown in figure 8, the device includes:
Receiving unit 81, for receiving output signal relevant to examining system；
Detection unit 82, for according to output signal relevant to examining system, whether detection examining system to strike sparks
Phenomenon.
Specifically, detection unit 82 is specifically used in the embodiment of the present invention:
If the rate of change of output signal relevant to examining system reaches preset rate-valve value, examining system is detected
Spark phenomenon occurs.
During a concrete implementation, output signal relevant to examining system includes first voltage signal and second
Voltage signal；
Device can also include:
Acquiring unit 83, for obtaining rate of change of the first voltage signal relative to second voltage signal, using as defeated
The rate of change of signal out.
Specifically, in the embodiment of the present invention, first voltage signal include examining system total positive voltage signal and system to be measured
At least one in total negative voltage signal of system.
Specifically, second voltage signal includes total positive voltage signal, the examining system of examining system in the embodiment of the present invention
Total negative voltage signal and at least one in the voltage signal of the shell of examining system.
During a concrete implementation, device further include:
Transmission unit 84, if sending indication signal to controller, instruction for detecting that spark phenomenon occurs for examining system
Signal is to indicate that controller carries out designated treatment.
Method shown in fig. 5 is able to carry out by each unit in this present embodiment, the part that the present embodiment is not described in detail,
It can refer to the related description to Fig. 5.
A technical solution in the embodiment of the present invention has the following beneficial effects:
In the embodiment of the present invention, detection device is arranged on the isolating chip connecting with examining system, passes through detection device
In receiving unit receive relevant to examining system output signal, it is then detected that the detection unit in device can basis
Whether output signal relevant to examining system, detection examining system occur spark phenomenon.It is detected in the embodiment of the present invention to be measured
When whether system occurs spark phenomenon, complicated circuit design is not needed, can be realized by an isolating chip, it is no longer necessary to
Other additional hardware structures, detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；Also, the embodiment of the present invention
In, isolating chip only needs to obtain the rate of change of the output signal received, thus, the rate of change of output signal is carried out
One simple judgement, can be detected out whether examining system has occurred spark phenomenon, and isolating chip does not need other complicated calculations
Method and strategy, extremely low to controller requirement, implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；Cause
This, the embodiment of the present invention solves the problems, such as that cost of implementation existing for existing Arc detection technology is higher.
Embodiment five
The Arc detection device that Arc detection method provided by one and embodiment three provide based on the above embodiment, this hair
Bright embodiment provides a kind of detection system.
Referring to FIG. 9, its first functional block diagram for detection system provided by the embodiment of the present invention.As shown in figure 9,
The detection system includes examining system 91 and the Arc detection device 92 such as Fig. 7.
The part that the present embodiment is not described in detail can refer to the related description to Fig. 1 and Fig. 7.
A technical solution in the embodiment of the present invention has the following beneficial effects:
When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit design is not needed, is led to
Crossing an isolating chip and a controller can be realized, and detection circuit is simple and reliable, and energy consumption is smaller, and failure rate is lower；And
And in the embodiment of the present invention, the logic level and the consistent characteristic of input logic level of the output signal of isolating chip, control are utilized
Device processed only needs simply to judge the output signal of isolating chip, and can be detected out examining system, that sparking whether has occurred is existing
As controller does not both need to treat the parameters such as voltage, the electric current of examining system progress precise acquisition, does not need other complicated calculations yet
Method and strategy, the requirement to controller is lower, and implementation is simple and convenient, and flexibility is higher, and can effectively improve detection efficiency；
Therefore, the embodiment of the present invention solves the problems, such as that cost of implementation existing for existing Arc detection technology is higher.
Embodiment six
The Arc detection device that Arc detection method provided by two and example IV provide based on the above embodiment, this hair
Bright embodiment provides a kind of detection system.
Referring to FIG. 10, its second functional block diagram for detection system provided by the embodiment of the present invention.Such as Figure 10 institute
Show, which includes examining system 101 and the Arc detection device 102 such as Fig. 8.
The part that the present embodiment is not described in detail can refer to the related description to Fig. 5 and Fig. 8.
A technical solution in the embodiment of the present invention has the following beneficial effects:
When whether detection examining system occurs spark phenomenon in the embodiment of the present invention, complicated circuit design is not needed, is led to
Crossing an isolating chip can be realized, it is no longer necessary to and other additional hardware structures, detection circuit is simple and reliable, and energy consumption is smaller,
And failure rate is lower；Also, in the embodiment of the present invention, isolating chip only needs to obtain the variation speed of the output signal received
Rate, thus, a simple judgement is carried out to the rate of change of output signal, can be detected out whether examining system is struck sparks
Phenomenon, isolating chip do not need other complicated algorithms and strategy, extremely low to controller requirement, and implementation is simple and convenient, spirit
Activity is higher, and can effectively improve detection efficiency；Therefore, the embodiment of the present invention solves existing for existing Arc detection technology
The higher problem of cost of implementation.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or controller (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (20)
1. a kind of Arc detection method, which is characterized in that the method executes on the controller connecting with isolating chip, described
Isolating chip is also connect with examining system；
The described method includes:
Receive the output signal of the isolating chip；
According to the output signal of the isolating chip, detect whether the examining system occurs spark phenomenon；
The output signal according to the isolating chip, detects whether the examining system occurs spark phenomenon, comprising:
If the level of the output signal of the isolating chip and the level of the input signal of the isolating chip are inconsistent, detect
Spark phenomenon occurs for the examining system.
2. the method according to claim 1, wherein the output signal of the isolating chip is the isolating chip
It is obtained according to output signal relevant to the examining system.
3. the method according to claim 1, wherein the method also includes:
If detecting, spark phenomenon occurs for the examining system, carries out designated treatment.
4. according to the method described in claim 3, it is characterized in that, the carry out designated treatment, comprising:
Cut off the circuit of the examining system；And/or
Export prompt messages.
5. a kind of Arc detection method, which is characterized in that the method executes on the isolating chip connecting with examining system；
The described method includes:
Receive output signal relevant to the examining system；
According to the output signal relevant to the examining system, detect whether the examining system occurs spark phenomenon；
The output signal relevant to the examining system according to, detects whether the examining system occurs sparking now
As, comprising:
If the rate of change of the output signal relevant to the examining system reaches preset rate-valve value, detect described
Spark phenomenon occurs for examining system.
6. according to the method described in claim 5, it is characterized in that, output signal relevant to the examining system includes first
Voltage signal and second voltage signal；
The method also includes:
Obtain rate of change of the first voltage signal relative to the second voltage signal, using as it is described with it is described to be measured
The rate of change of the relevant output signal of system.
7. according to the method described in claim 6, it is characterized in that, the first voltage signal includes the total of the examining system
At least one in total negative voltage signal of positive voltage signal and the examining system.
8. according to the method described in claim 6, it is characterized in that, the second voltage signal includes the total of the examining system
At least one in the voltage signal of the shell of positive voltage signal, total negative voltage signal of the examining system and the examining system
It is a.
9. according to the method described in claim 5, it is characterized in that, the method also includes:
If detecting, spark phenomenon occurs for the examining system, sends indication signal to controller, the indication signal is to refer to
Show that the controller carries out designated treatment.
10. a kind of Arc detection device, which is characterized in that described device is arranged on the controller connecting with isolating chip, institute
Isolating chip is stated also to connect with examining system；
Described device includes:
Receiving unit, for receiving the output signal of the isolating chip；
Detection unit detects whether the examining system occurs spark phenomenon for the output signal according to the isolating chip；
The detection unit, is specifically used for:
If the level of the output signal of the isolating chip and the level of the input signal of the isolating chip are inconsistent, detect
Spark phenomenon occurs for the examining system.
11. device according to claim 10, which is characterized in that the output signal of the isolating chip is the isolated core
Piece is obtained according to output signal relevant to the examining system.
12. device according to claim 10, which is characterized in that described device further include:
Processing unit, if carrying out designated treatment for detecting that spark phenomenon occurs for the examining system.
13. device according to claim 12, which is characterized in that the processing unit is specifically used for:
Cut off the circuit of the examining system；And/or
Export prompt messages.
14. a kind of Arc detection device, which is characterized in that the isolating chip being connected with examining system is arranged in described device
On；
Described device includes:
Receiving unit, for receiving output signal relevant to the examining system；
Detection unit, for detecting whether the examining system is sent out according to the output signal relevant to the examining system
Raw spark phenomenon；
The detection unit, is specifically used for:
If the rate of change of the output signal relevant to the examining system reaches preset rate-valve value, detect described
Spark phenomenon occurs for examining system.
15. device according to claim 14, which is characterized in that output signal relevant to the examining system includes the
One voltage signal and second voltage signal；
Described device further include:
Acquiring unit, for obtaining rate of change of the first voltage signal relative to the second voltage signal, using as
The rate of change of the output signal relevant to the examining system.
16. device according to claim 15, which is characterized in that the first voltage signal includes the examining system
At least one in total negative voltage signal of total positive voltage signal and the examining system.
17. device according to claim 15, which is characterized in that the second voltage signal includes the examining system
Total positive voltage signal, the examining system total negative voltage signal and in the voltage signal of the shell of the examining system at least
One.
18. device according to claim 14, which is characterized in that described device further include:
Transmission unit, if sending indication signal to controller, the finger for detecting that spark phenomenon occurs for the examining system
Show signal to indicate that the controller carries out designated treatment.
19. a kind of detection system, which is characterized in that the system comprises examining system and such as any one of claim 10 to 13
The Arc detection device.
20. a kind of detection system, which is characterized in that the system comprises examining system and such as any one of claim 14 to 18
The Arc detection device.
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| CN201610962534.1A CN106526441B (en) | 2016-10-28 | 2016-10-28 | Ignition detection method, device and system |
| PCT/CN2017/092999 WO2018076807A1 (en) | 2016-10-28 | 2017-07-14 | Method and device for spark detection and detection system |
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| CN100559205C (en) * | 2006-09-07 | 2009-11-11 | 长安大学 | Concentration/distribution formula accumulator of electric car group system for inspecting operation parameter |
| US7630843B2 (en) * | 2006-09-21 | 2009-12-08 | Intel Corporation | Method, apparatus, and system for power source failure prediction |
| CN101533054B (en) * | 2009-04-14 | 2012-08-08 | 合肥国轩高科动力能源有限公司 | Battery casing insulation detection device |
| CN101853554B (en) * | 2010-04-29 | 2012-09-12 | 卢代高 | Fireproofing pre-warning monitoring method for unmanned base station and system thereof |
| CN102426339A (en) * | 2011-09-03 | 2012-04-25 | 镇江恒驰科技有限公司 | Voltage collecting circuit for monomer batteries of battery pack |
| US20130249297A1 (en) * | 2012-01-12 | 2013-09-26 | Paceo Corp. | Energy recovery from a photovoltaic array |
| CN102684138A (en) * | 2012-05-15 | 2012-09-19 | 董右云 | Method and device for detecting and processing firing phenomenon of power line |
| CN102866324B (en) * | 2012-09-12 | 2016-03-23 | 上海富欣智能交通控制有限公司 | Output channel leakage current detection circuit |
| JP2015114223A (en) * | 2013-12-12 | 2015-06-22 | 株式会社デンソー | Battery pack monitoring unit and battery pack monitoring apparatus |
| CN203909136U (en) * | 2014-05-22 | 2014-10-29 | 北汽福田汽车股份有限公司 | Cell voltage acquisition circuit and battery management system with same |
| CN204142892U (en) * | 2014-10-20 | 2015-02-04 | 三科电器集团有限公司 | Fault electric arc detection indication mechanism |
| JP5743296B1 (en) * | 2014-12-14 | 2015-07-01 | 修 板本 | Leakage location exploration method and apparatus |
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Effective date of registration: 20201119 Address after: 213300 No. 1000 North Avenue, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province Patentee after: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. (JIANGSU) Address before: 352100, Xingang Road, Ningde Town, Jiaocheng District, Fujian, 1 Patentee before: Contemporary Amperex Technology Co.,Ltd. |