CN106483379A - A kind of insulaion resistance detection method, system - Google Patents
A kind of insulaion resistance detection method, system Download PDFInfo
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- CN106483379A CN106483379A CN201510534706.0A CN201510534706A CN106483379A CN 106483379 A CN106483379 A CN 106483379A CN 201510534706 A CN201510534706 A CN 201510534706A CN 106483379 A CN106483379 A CN 106483379A
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- insulaion resistance
- direct current
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Abstract
The invention provides a kind of insulaion resistance detection method, system, it is related to automobile technical field, so that the insulating resistance value that vehicle cannot learn High Level AC Voltage side is solved, when insulating resistance value is too low, corresponding measure cannot be taken, increases the technical problem of the security risk of occupant.Insulaion resistance detection method of the present invention includes：Entire car controller sends insulaion resistance detection messages to battery management system and electric machine controller；Battery management system and electric machine controller are according to insulaion resistance detection messages, High Level AC Voltage side is made to be connected with high voltage direct current side, insulaion resistance monitoring module is called to monitor and measure the insulaion resistance of high voltage direct current side and High Level AC Voltage side, battery management system sends comprehensive insulating resistance value to entire car controller.Insulaion resistance detection method of the present invention can measure the comprehensive insulating resistance value of high voltage direct current side apparatus and High Level AC Voltage side apparatus, take corresponding measure, reduce the security risk of occupant.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of insulaion resistance detection method, system.
Background technology
With the enhancing of global energy-conservation and environmental consciousness, new energy vehicle becomes the important of automobile technical field
Development trend.In new energy vehicle, electrokinetic cell system and electric system are the crucial portions of new energy vehicle
Point, the safety of electrokinetic cell system (i.e. high voltage direct current side) and electric system (i.e. High Level AC Voltage side)
Property is the performance of overriding concern.Being carried out to new energy vehicle, or new energy vehicle meets with heavy rain, or
In the case that new energy vehicle is paddled, if the insulating resistance value of high voltage direct current side and High Level AC Voltage side
Too small, in-car electric current can be caused excessive, jeopardize the safety of occupant.
Prior art is often sealed off to high voltage direct current side and High Level AC Voltage side, so as to prevent out
Existing high voltage direct current side and High Level AC Voltage side are exposed in water, cause insulating resistance value too small, in-car electric current
Excessive situation.But, during new energy vehicle use, high voltage direct current side and High Level AC Voltage side
Seal isolation it may happen that damage, the decreasing insulating of high voltage direct current side and High Level AC Voltage side,
New energy vehicle cannot learn the insulating resistance value of high voltage direct current side and High Level AC Voltage side in time, also cannot
Take corresponding safety measure in time, increase the security risk of occupant.
Content of the invention
In view of this, it is contemplated that a kind of insulaion resistance detection method is proposed, high pressure is obtained with timely measurement
Direct current side and the insulating resistance value of High Level AC Voltage side such that it is able to take corresponding safety measure in time,
Reduce the security risk of occupant.
For above-mentioned purpose is reached, the technical scheme is that and be achieved in that：
A kind of insulaion resistance detection method, is applied to insulaion resistance detecting system, the insulaion resistance detection system
System includes entire car controller, battery management system, electric machine controller, high voltage direct current side and High Level AC Voltage
Side, the battery management system include insulaion resistance monitoring module；The insulaion resistance detection method includes：
The entire car controller sends insulaion resistance to the battery management system and the electric machine controller respectively
Detection messages；
The battery management system is determined and calls the insulaion resistance to supervise according to the insulaion resistance detection messages
Control module is monitored to the insulaion resistance of the high voltage direct current side, and the electric machine controller is according to described exhausted
Edge resistance detection message, determines the upper (lower) brachium pontis for opening any one phase in motor three-phase windings, makes high pressure
Alternating current side is connected with high voltage direct current side, and then calls the insulaion resistance monitoring module to the high pressure
The insulaion resistance of alternating current side is monitored；
The insulaion resistance monitoring module measures the synthesis of the high voltage direct current side and the High Level AC Voltage side
Insulating resistance value；
The described comprehensive insulating resistance value that measurement is obtained is sent out by the battery management system and the electric machine controller
Deliver to the entire car controller.
Specifically, the insulaion resistance detection messages include the first detection messages and the second detection messages；Described
Entire car controller sends insulaion resistance detection report to the battery management system and the electric machine controller respectively
Text, including：
The entire car controller sends first detection messages, first inspection to the battery management system
Text is observed and predicted for indicating whether to be monitored the insulaion resistance of the high voltage direct current side；
The entire car controller sends second detection messages, second detection to the electric machine controller
Message is used for the upper (lower) brachium pontis for indicating whether to open any one phase in motor three-phase windings, makes high-voltage alternating
Electric side is connected with high voltage direct current side, and then calls the insulaion resistance monitoring module to the high-voltage alternating
The insulaion resistance of electric side is monitored.
Specifically, the High Level AC Voltage side is connected by high voltage direct current side described in transistor AND gate；Described true
Surely the upper (lower) brachium pontis of any one phase in motor three-phase windings is opened, makes High Level AC Voltage side and HVDC
Electric side is connected, and then calls insulaion resistance of the insulaion resistance monitoring module to the High Level AC Voltage side
It is monitored, including：
Transistor described in the motor controller controls is opened, and connects the High Level AC Voltage side and the high pressure
Direct current side；
The insulaion resistance monitoring module is called to be monitored the insulaion resistance of the High Level AC Voltage side.
Further, the High Level AC Voltage side includes electric machine controller three-phase output end, motor three-phase windings,
Any one upper brachium pontis for mutually all including to be made up of the transistor and lower brachium pontis, institute in the motor three-phase windings
The bus positive pole for brachium pontis being stated with the high voltage direct current side is connected, the lower brachium pontis and the high voltage direct current
The bus negative pole connection of side；The insulaion resistance monitoring module measures the high voltage direct current side and the high pressure
The comprehensive insulating resistance value of alternating current side, including：
When the transistor of the upper brachium pontis is opened, the insulaion resistance monitoring module measures the institute of positive pole
State comprehensive insulating resistance value；
When the transistor of the lower brachium pontis is opened, the insulaion resistance monitoring module measures the institute of negative pole
State comprehensive insulating resistance value.
Further, after the insulaion resistance monitoring module measures comprehensive insulating resistance value, also include：
The battery management system and the electric machine controller send detection feedback report to the entire car controller
Text, the detection feedback message are used for feeding back whether the insulaion resistance monitoring module has been completed to comprehensive exhausted
The measurement of edge resistance value.
With respect to prior art, insulaion resistance detection method of the present invention has the advantage that：
Insulaion resistance detection method of the present invention, is applied to insulaion resistance detecting system, car load therein
Controller sends insulaion resistance detection messages to battery management system and electric machine controller, so as to utilize cell tube
Insulaion resistance monitoring module in reason system is carried out to the insulaion resistance of high voltage direct current side and High Level AC Voltage side
Monitoring, and measure the comprehensive insulating resistance value for obtaining high voltage direct current side and High Level AC Voltage side, battery management
System sends the comprehensive insulating resistance value of high voltage direct current side and High Level AC Voltage side to entire car controller, from
And enable entire car controller to obtain the comprehensive insulaion resistance of high voltage direct current side and High Level AC Voltage side in time
Value, and according to high voltage direct current side and the comprehensive insulating resistance value of High Level AC Voltage side, determine high voltage direct current
Whether the insulating properties of side and High Level AC Voltage side have descended to jeopardize the degree of occupant's safety, so as to
Take corresponding safety measure in time, reduce the security risk of occupant.
Another object of the present invention is to a kind of insulaion resistance detecting system is proposed, high pressure is obtained with timely measurement
Direct current side and the insulating resistance value of High Level AC Voltage side such that it is able to take corresponding safety measure in time,
Reduce the security risk of occupant.
For above-mentioned purpose is reached, the technical scheme is that and be achieved in that：
A kind of insulaion resistance detecting system, the insulaion resistance detecting system at least include entire car controller, electricity
Pond management system, electric machine controller, high voltage direct current side and High Level AC Voltage side, the battery management system
Including insulaion resistance monitoring module；
Wherein, the entire car controller is used for sending out to the battery management system and the electric machine controller respectively
Send insulaion resistance detection messages；
The battery management system is used for, according to the insulaion resistance detection messages, determining and calling the insulated electro
Resistance monitoring module is monitored to the insulaion resistance of the high voltage direct current side；And for obtaining measurement
The high voltage direct current side is sent to the full-vehicle control with the comprehensive insulating resistance value of the High Level AC Voltage side
Device；
The electric machine controller is used for, according to the insulaion resistance detection messages, determining and opening motor three-phase windings
In any one phase upper (lower) brachium pontis, so that High Level AC Voltage side is connected with high voltage direct current side, so adjust
The insulaion resistance of the High Level AC Voltage side is monitored with the insulaion resistance monitoring module；
The insulaion resistance monitoring module is used for measuring the comprehensive insulating resistance value.
Specifically, the insulaion resistance detection messages include the first detection messages and the second detection messages；
The entire car controller is additionally operable to send first detection messages to the battery management system, described
First detection messages are used for indicating whether to be monitored the insulaion resistance of the high voltage direct current side；And use
In second detection messages are sent to the electric machine controller, second detection messages are used for indicating whether
The upper (lower) brachium pontis of any one phase in motor three-phase windings is opened, makes High Level AC Voltage side and high voltage direct current
Side is connected, and then calls the insulaion resistance monitoring module to enter the insulaion resistance of the High Level AC Voltage side
Row monitoring.
Specifically, the High Level AC Voltage side is connected by high voltage direct current side described in transistor AND gate；
The electric machine controller is additionally operable to control the transistor to open, and connects the High Level AC Voltage side and institute
State high voltage direct current side；And for calling the insulaion resistance monitoring module to the High Level AC Voltage side
Insulaion resistance is monitored.
Further, the High Level AC Voltage side includes electric machine controller three-phase output end, motor three-phase windings,
Any one upper brachium pontis for mutually all including to be made up of the transistor and lower brachium pontis, institute in the motor three-phase windings
The bus positive pole for brachium pontis being stated with the high voltage direct current side is connected, the lower brachium pontis and the high voltage direct current
The bus negative pole connection of side；
When the transistor of the upper brachium pontis is opened, the insulaion resistance monitoring module is used for measuring positive pole
Described comprehensive insulating resistance value；
When the transistor of the lower brachium pontis is opened, the insulaion resistance monitoring module is used for measuring negative pole
Described comprehensive insulating resistance value.
Further, the battery management system is additionally operable to send detection feedback message to the entire car controller,
The detection feedback message is used for feeding back whether the insulaion resistance monitoring module has been completed to comprehensive insulated electro
The measurement of resistance；
The electric machine controller is additionally operable to send detection feedback message to the entire car controller, and the detection is anti-
Feedback message is used for feeding back whether the insulaion resistance monitoring module has completed the survey to comprehensive insulating resistance value
Amount.
With respect to prior art, insulaion resistance detecting system of the present invention has the advantage that：
The insulaion resistance detecting system is had with respect to prior art with above-mentioned insulaion resistance detection method
Dominant Facies are same, will not be described here.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In accompanying drawing
In：
Fig. 1 is the structural representation of the insulaion resistance detecting system described in the embodiment of the present invention four, five；
Fig. 2 is the flow chart of the insulaion resistance detection method described in the embodiment of the present invention one；
Fig. 3 is the flow chart of the insulaion resistance detection method described in the embodiment of the present invention two；
Fig. 4 be the high voltage direct current side described in the embodiment of the present invention two bus both positive and negative polarity and motor three-phase around
The annexation schematic diagram of group；
Fig. 5 is the flow chart of the insulaion resistance detection method described in the embodiment of the present invention three.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
The insulaion resistance detection method that the present invention is provided is applied to insulaion resistance detecting system 20, as shown in figure 1,
The insulaion resistance detecting system 20 includes entire car controller 21 (VCU, Vehicle Control Unit), electricity
Pond management system 22 (BMS, Battery Management System), electric machine controller 23 (MCU,
Motor Control Unit), high voltage direct current side 24 and High Level AC Voltage side 25, wherein, battery management system
System 22 includes insulaion resistance monitoring module 26.Entire car controller 21 respectively with battery management system 22, motor
Controller 23 interacts communication, and battery management system 22 can call insulaion resistance monitoring module 26 pairs high
Pressure direct current side 24 carries out insulaion resistance detection, and electric machine controller 23 can be by the knot with on-off action
Structure (as transistor or other structures) makes High Level AC Voltage side 25 be connected with high voltage direct current side 24.
Embodiment one
Fig. 2 is referred to, a kind of insulaion resistance detection method is embodiments provided, the insulaion resistance inspection
Survey method includes：
Step 101, entire car controller 21 are sent absolutely to battery management system 22 and electric machine controller 23 respectively
Edge resistance detection message；Wherein, insulaion resistance detection messages are used for triggering battery management system 22 and/or electricity
Machine controller 23 enters Insulation monitoring pattern.
Step 102, battery management system 22 and electric machine controller 23 receive insulaion resistance detection messages, electricity
Pond management system 22 is determined and calls insulaion resistance monitoring module 26 to high pressure according to insulaion resistance detection messages
The insulaion resistance of direct current side 24 is monitored；Electric machine controller 23 is opened according to insulaion resistance detection messages
The upper (lower) brachium pontis of any one phase in motor three-phase windings is opened, makes High Level AC Voltage side and high voltage direct current side
It is connected, and then calls insulaion resistance monitoring module 26 to supervise the insulaion resistance of High Level AC Voltage side 25
Control；Insulaion resistance detection messages can be divided into battery control mode, motor control pattern, insulaion resistance detection
Pattern etc..Under insulaion resistance detection pattern, insulaion resistance monitoring module 26 is to 24 He of high voltage direct current side
The insulaion resistance of High Level AC Voltage side 25 is monitored measurement.Insulaion resistance monitoring module 26 belongs to cell tube
Reason system 22, in the present invention, can be called absolutely with the insulaion resistance of direct detection high voltage direct current side 24
Edge resistance monitoring module 26 is while to high voltage direct current side 24 and the comprehensive insulaion resistance of High Level AC Voltage side 25
Value is monitored detection.
Step 103, insulaion resistance monitoring module 26 measure high voltage direct current side 24 and High Level AC Voltage side 25
Comprehensive insulating resistance value, such as：Resistance class sensor is provided with insulaion resistance monitoring module 26, can be direct
Measure comprehensive insulating resistance value.
Step 104, battery management system 22 send the comprehensive insulating resistance value that measurement is obtained to full-vehicle control
Device 21；After entire car controller 21 receives comprehensive insulating resistance value, can be judged according to comprehensive insulating resistance value
Whether the insulating properties of high voltage direct current side 24 or High Level AC Voltage side 25 in vehicle have fallen to jeopardize
The degree of occupant, if the insulating properties of high voltage direct current side 24 or High Level AC Voltage side 25 have declined
To the degree for jeopardizing occupant, then to high voltage direct current side 24 or the electricity of High Level AC Voltage side 25 times, so as to
The safety of protection occupant.
Insulaion resistance detection method of the present invention, is applied to insulaion resistance detecting system 20, therein whole
Vehicle controller 21 sends insulaion resistance detection messages, battery to battery management system 22 and electric machine controller 23
Management system 22 is determined and calls 26 pairs of high straightenings of insulaion resistance monitoring module according to insulaion resistance detection messages
The insulaion resistance of the electric side 24 of stream is monitored, and electric machine controller 23 is opened according to insulaion resistance detection messages
The upper (lower) brachium pontis of any one phase in motor three-phase windings, makes High Level AC Voltage side with high voltage direct current side phase
Connection, so as to call the insulaion resistance monitoring module 26 in battery management system 22 to High Level AC Voltage side 25
Insulaion resistance be monitored, and measure the synthesis for obtaining high voltage direct current side 24 and High Level AC Voltage side 25
Insulating resistance value, battery management system 22 will be exhausted for the synthesis of high voltage direct current side 24 and High Level AC Voltage side 25
Edge resistance value is sent to entire car controller 21, so that entire car controller 21 can obtain high straightening in time
The electric side of stream and the comprehensive insulating resistance value of High Level AC Voltage side, and according to high voltage direct current side 24 and high-voltage alternating
The comprehensive insulating resistance value of electric side 25, determines the insulating properties of high voltage direct current side 24 and High Level AC Voltage side 25
Whether can have descended to jeopardize the degree of occupant's safety, so as to take corresponding safety measure in time,
Reduce the security risk of occupant.
For the vehicle using insulaion resistance detection method in the embodiment of the present invention, be carried out in vehicle,
When meeting with heavy rain or being paddled, if vehicle inner high voltage direct current side 24 and High Level AC Voltage side 25
Water inlet, can monitor in real time, and in time to electricity under vehicle, lift the security of whole vehicle.And, adopt
In the embodiment of the present invention, the vehicle of insulaion resistance detection method need not carry out mould in design vehicle Qualify Phase
The waterproof experiment such as intend cleaning, heavy rain, paddle, so as to reduce the design verification cost of vehicle, and shortening car
The design verification time.
Embodiment two
Fig. 3 is referred to, further, insulaion resistance detection messages include the first detection messages and the second detection
Message, in order to describe entire car controller 21 in detail respectively to battery management system 22 and electric machine controller 23
Send insulaion resistance detection messages content, the step 101 in embodiment one can be refined as step 1011 and
Step 1012；In order to illustrate insulaion resistance monitoring module 26 to high voltage direct current side 24 and high-voltage alternating
How electric side 25 is monitored and how to measure comprehensive insulating resistance value, and the step 102 in embodiment one can
Step 1021- step 1023 is refined as, step 103 can be refined as step 1031 or step 1032；Below
Will be described in detail step 1011, step 1012, step 1021- step 1023 and step 1031 and step
1032 particular content：
Step 1011, entire car controller 21 send the first detection messages to battery management system 22；First inspection
Text is observed and predicted for indicating whether the insulaion resistance of high voltage direct current side 24 is monitored, wherein, the first detection
Message can be the message newly increased in entire car controller 21, it is also possible to existing using entire car controller 21
Message, such as：Using existing VCU_CtrlBms message in entire car controller 21,
Increase by a bit in VCU_CtrlBms message, the message that VCU_CtrlBms message is three bits made,
The state of VCU_CtrlBms message represents that the insulaion resistance to high voltage direct current side 24 is carried out when being " 100 "
Monitoring, naturally it is also possible to the insulaion resistance of high voltage direct current side 24 is monitored with other state representation,
It is not limited to aforesaid way.
Step 1012, entire car controller 21 send the second detection messages to electric machine controller 23；Second detection
Message is used for the upper (lower) brachium pontis for indicating whether to open any one phase in motor three-phase windings, makes high-voltage alternating
Electric side is connected with high voltage direct current side, and then calls insulaion resistance monitoring module to the exhausted of High Level AC Voltage side
Edge resistance is monitored, and wherein, the second detection messages can be the message newly increased in entire car controller 21,
The existing message of entire car controller 21 can also be utilized, such as：Using existing in entire car controller 21
VCU_CtrlMod message, increases by a bit in VCU_CtrlMod message, makes VCU_CtrlMod
Message is the message of three bits, and the state of VCU_CtrlMod message represents when being " 100 " to be handed over to high pressure
The insulaion resistance of the electric side 25 of stream is monitored, naturally it is also possible to other state representation to High Level AC Voltage side
25 insulaion resistance is monitored, however it is not limited to aforesaid way.It should be noted that the first detection messages with
Second detection messages need to send simultaneously, so that insulaion resistance monitoring module 26 can measure high voltage direct current
Side 24 and the comprehensive insulating resistance value of High Level AC Voltage side 25.
Step 1021, battery management system 22 and electric machine controller 23 receive insulaion resistance detection messages.
Step 1022, according to insulaion resistance detection messages, 23 controlling transistor of electric machine controller is opened, even
Logical High Level AC Voltage side 25 and high voltage direct current side 24；It should be noted that High Level AC Voltage side 25 passes through
Transistor AND gate high voltage direct current side 24 is connected.Specifically, when battery management system 22 receives the first detection
Message, and when the first detection messages represent that the insulaion resistance to high voltage direct current side 24 is monitored, cell tube
Reason system 22 calls insulaion resistance monitoring module 26 to supervise the insulaion resistance of high voltage direct current side apparatus 24
Control；When electric machine controller 23 receives the second detection messages, and the second detection messages represent unlatching motor three-phase
The upper (lower) brachium pontis of any one phase in winding, is made High Level AC Voltage side be connected with high voltage direct current side, enters
And when calling insulaion resistance monitoring module to be monitored the insulaion resistance of High Level AC Voltage side, electric machine controller
23 controlling transistors open a period of time, connect high voltage direct current side 24 and High Level AC Voltage side 25, so as to
Insulaion resistance monitoring module 26 is enabled while monitoring high voltage direct current side 24 and High Level AC Voltage side 25
Insulaion resistance.It should be noted that the duration persistently opened of 23 controlling transistor of electric machine controller and insulation
The duration that resistance monitoring module 26 is monitored, measures to high voltage direct current side 24 and High Level AC Voltage side 25
Identical.It should be noted that transistor is specifically as follows igbt (IGBT, Insulated
Gate Bipolar Transistor).
Step 1023, battery management system 22 call the high-voltage alternating of 26 pairs of connections of insulaion resistance monitoring module
Electric side 25 is monitored with the insulaion resistance of high voltage direct current side 24.
Step 1031, when the transistor that electric machine controller 23 controls upper brachium pontis is opened, insulaion resistance is monitored
Module 26 measures the comprehensive insulating resistance value of positive pole；It should be noted that Fig. 4 is referred to, High Level AC Voltage
Side 25 includes electric machine controller three-phase output end, motor three-phase windings, motor three-phase windings include U, V,
W three-phase, any one upper brachium pontis for mutually all including to be made up of transistor and lower brachium pontis in motor three-phase windings, than
The part of the part, the part at transistor T2 place and transistor T3 place that are located as transistor T1 is
Upper brachium pontis, the portion of part, the part at transistor T5 place and transistor T6 place that transistor T4 is located
Point lower brachium pontis is, upper brachium pontis is connected with the bus positive pole of high voltage direct current side 24, lower brachium pontis and HVDC
The bus negative pole connection of electric side 24, U in Fig. 4d"+" extremely bus positive pole, Ud"-" extremely female
Line negative pole, motor three-phase windings adopt Y-connection, wherein any one connect with high voltage direct current side 24,
All connect with high voltage direct current side 24 equivalent to the three-phase in motor three-phase windings；When electric machine controller 23 is controlled
When in system, the transistor of brachium pontis is opened, the bus positive pole of high voltage direct current side 24 is connected with High Level AC Voltage side 25
Logical, such as transistor T1 is opened, and the upper brachium pontis of U phase is opened, and the bus positive pole of high voltage direct current side 24 leads to
Cross transistor T1 to connect with High Level AC Voltage side 25.So that insulaion resistance monitoring module 26 can be surveyed
The high voltage direct current side 24 of the positive pole of amount connection and the comprehensive insulating resistance value of High Level AC Voltage side 25.
Step 1032, when the transistor that electric machine controller 23 controls lower brachium pontis is opened, insulaion resistance is monitored
Module 26 measures the comprehensive insulating resistance value of negative pole；It should be noted that Fig. 4 is referred to, work as motor control
When device 23 controls the transistor of lower brachium pontis to open, the bus negative pole of high voltage direct current side 24 and High Level AC Voltage
Side 25 connects, and such as transistor T4 is opened, and the lower brachium pontis of U phase is opened, the bus of high voltage direct current side 24
Negative pole is connected with High Level AC Voltage side 25 by transistor T4.So that insulaion resistance monitoring module 26
The high voltage direct current side 24 of negative pole and the comprehensive insulating resistance value of High Level AC Voltage side 25 of connection can be measured.
It is noted that the concrete composition of High Level AC Voltage side 25 is not limited to the example above, by other
Form connection High Level AC Voltage side 25 and high voltage direct current side 24, and measure the High Level AC Voltage side 25 of connection
With the mode of the comprehensive insulating resistance value of high voltage direct current side 24 also in protection scope of the present invention.
Embodiment three
Fig. 5 is referred to, in order that entire car controller 21 can learn insulaion resistance monitoring module 26 being in real time
The no measurement completed to comprehensive insulating resistance value, on the basis of embodiment one, after step 103,
Step 105 can also be increased, the content of step 105 is described more detail below：
It is anti-that step 105, battery management system 22 and electric machine controller 23 send detection to entire car controller 21
Feedback message；Wherein, detection feedback message can be increased newly in battery management system 22 and electric machine controller 23
Plus message, or carry out some improved original messages.Detection feedback message is used for feeding back insulation
Whether resistance monitoring module 26 has completed the measurement to comprehensive insulating resistance value, such as, detection feedback message
State be " 00 ", represent that insulaion resistance monitoring module 26 does not have started the comprehensive insulating resistance value of measurement, inspection
The state for surveying feedback message is " 10 ", represents that insulaion resistance monitoring module 26 has begun to measure comprehensive insulation
Resistance value, but comprehensive insulating resistance value is not also measured, the state of detection feedback message is " 11 ", represents insulation
Resistance monitoring module 26 has measured comprehensive insulating resistance value.Entire car controller 21 can be according to battery management
The detection feedback message that system 22 and electric machine controller 23 send is learnt in real time to comprehensive insulating resistance value
Measurement situation.
It should be noted that step 105 can be with step 104 while carry out, step 105 can also be in step
Carry out before rapid 104, here is not limited.
Example IV
Fig. 1 is referred to, embodiments provides a kind of insulaion resistance detecting system 20, the insulaion resistance
Detecting system 20 at least includes entire car controller 21, battery management system 22, electric machine controller 23, high pressure
Direct current side 24 and High Level AC Voltage side, battery management system 22 include insulaion resistance monitoring module 26.
Wherein, entire car controller 21 is used for sending absolutely to battery management system 22 and electric machine controller 23 respectively
Edge resistance detection message；Battery management system 22 is used for, according to insulaion resistance detection messages, determining and calling insulation
Resistance monitoring module 26 is monitored to the insulaion resistance of high voltage direct current side apparatus 24；And for surveying
The high voltage direct current side for measuring is sent to entire car controller with the comprehensive insulating resistance value of High Level AC Voltage side
21；Electric machine controller 23 is used for according to insulaion resistance detection messages, determines and opens in motor three-phase windings arbitrarily
The upper (lower) brachium pontis of one phase, makes High Level AC Voltage side be connected with high voltage direct current side, so as to call battery
Insulaion resistance monitoring module 26 in management system 22 is supervised to the insulaion resistance of High Level AC Voltage side 25
Control；Insulaion resistance monitoring module 26 is used for measuring the synthesis of high voltage direct current side 24 and High Level AC Voltage side 25
Insulating resistance value.
In insulaion resistance detecting system 20, each part illustrates the tool referred in embodiment one
Internal appearance, will not be described here.
In insulaion resistance detecting system 20 of the present invention, entire car controller 21 is to battery management system 22
Insulaion resistance detection messages are sent with electric machine controller 23, battery management system 22 is detected according to insulaion resistance
Message, determines and calls insulaion resistance monitoring module 26 to be monitored the insulaion resistance of high voltage direct current side 24,
, according to insulaion resistance detection messages, in unlatching motor three-phase windings, any one phase is upper (lower) for electric machine controller 23
Brachium pontis, makes High Level AC Voltage side be connected with high voltage direct current side, so as to call in battery management system 22
Insulaion resistance monitoring module 26 is monitored to the insulaion resistance of High Level AC Voltage side 25, and is measured and obtained height
Pressure direct current side 24 and the comprehensive insulating resistance value of High Level AC Voltage side 25, battery management system 22 is by high pressure
The comprehensive insulating resistance value of direct current side 24 and High Level AC Voltage side 25 is sent to entire car controller 21, so as to
Entire car controller 21 is enabled to obtain the comprehensive insulated electro of high voltage direct current side and High Level AC Voltage side in time
Resistance, and according to high voltage direct current side 24 and the comprehensive insulating resistance value of High Level AC Voltage side 25, determine high
Whether the insulating properties of pressure direct current side 24 and High Level AC Voltage side 25 have descended to jeopardize occupant's peace
Full degree, so as to take corresponding safety measure in time, reduces the security risk of occupant.
Embodiment five
Further, below by each part in the insulaion resistance detecting system 20 in example IV
Concrete function illustrate：
Specifically, insulaion resistance detection messages include the first detection messages and the second detection messages；Full-vehicle control
Device 21 is additionally operable to send the first detection messages to battery management system 22, and the first detection messages for representing are
The no insulaion resistance to high voltage direct current side 24 is monitored；And be used for sending the to electric machine controller 23
Two detection messages, the second detection messages are used for indicating whether to open any one phase in motor three-phase windings
(under) brachium pontis, so that High Level AC Voltage side 25 is connected with high voltage direct current side 24, and then call insulated electro
Resistance monitoring module 26 is monitored to the insulaion resistance of 25 side of High Level AC Voltage.
High Level AC Voltage side 25 is connected by transistor AND gate high voltage direct current side 24；Electric machine controller 23 is also used
Open in controlling transistor, High Level AC Voltage side 25 and high voltage direct current side 24 is connected, and then using insulation
The High Level AC Voltage side apparatus 25 of 26 pairs of connections of resistance monitoring module and the insulation of high voltage direct current side apparatus 24
Resistance is monitored.
High Level AC Voltage side 25 includes electric machine controller three-phase output end, motor three-phase windings, motor three-phase around
Any one upper brachium pontis for mutually all including to be made up of transistor and lower brachium pontis in group, upper brachium pontis and high voltage direct current side
24 bus positive pole connection, lower brachium pontis are connected with the bus negative pole of high voltage direct current side 24；When upper brachium pontis
When transistor is opened, insulaion resistance monitoring module 26 is used for measuring the comprehensive insulating resistance value of positive pole；Instantly bridge
When the transistor of arm is opened, insulaion resistance monitoring module 26 is used for measuring the comprehensive insulating resistance value of negative pole.
Battery management system 22 is additionally operable to send detection feedback message, detection feedback report to entire car controller 21
Text is for feeding back whether insulaion resistance monitoring module 26 has completed the measurement to comprehensive insulating resistance value.
Electric machine controller 23 is additionally operable to send detection feedback message, detection feedback message to entire car controller 21
For feeding back whether insulaion resistance monitoring module 26 has completed the measurement to comprehensive insulating resistance value.
In insulaion resistance detecting system 20 function of each part illustrate refer to embodiment two,
Particular content in three, will not be described here.
Embodiment six
A kind of vehicle is embodiments provided, the vehicle is provided with the insulation described in above-described embodiment
Resistance detecting circuit 20, thus the insulaion resistance detecting system 20 in the vehicle and above-described embodiment with respect to
Prior art is had the advantage that identical, be will not be described here.
Each embodiment in this specification is all described by the way of going forward one by one, phase homophase between each embodiment
As part mutually referring to what each embodiment was stressed is the difference with other embodiment.
For embodiment especially for insulaion resistance detecting system and vehicle, as which is substantially similar to method reality
Example is applied, so describing fairly simple, related part is illustrated referring to the part of embodiment of the method.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement that is made etc., should be included in this
Within bright protection domain.
Claims (10)
1. a kind of insulaion resistance detection method, is applied to insulaion resistance detecting system, it is characterised in that described
Insulaion resistance detecting system includes entire car controller, battery management system, electric machine controller, high voltage direct current
Side and High Level AC Voltage side, the battery management system include insulaion resistance monitoring module；The insulaion resistance
Detection method includes：
The entire car controller sends insulaion resistance to the battery management system and the electric machine controller respectively
Detection messages；
The battery management system is determined and calls the insulaion resistance to supervise according to the insulaion resistance detection messages
Control module is monitored to the insulaion resistance of the high voltage direct current side；The electric machine controller is according to described exhausted
Edge resistance detection message, determines the upper (lower) brachium pontis for opening any one phase in motor three-phase windings, makes high pressure
Alternating current side is connected with high voltage direct current side, and then calls the insulaion resistance monitoring module to the high pressure
The insulaion resistance of alternating current side is monitored；
The insulaion resistance monitoring module measures the synthesis of the high voltage direct current side and the High Level AC Voltage side
Insulating resistance value；
The battery management system sends the described comprehensive insulating resistance value that measurement is obtained to the full-vehicle control
Device.
2. insulaion resistance detection method according to claim 1, it is characterised in that the insulaion resistance
Detection messages include the first detection messages and the second detection messages；The entire car controller is respectively to the battery
Management system and the electric machine controller send insulaion resistance detection messages, including：
The entire car controller sends first detection messages, first inspection to the battery management system
Text is observed and predicted for indicating whether to be monitored the insulaion resistance of the high voltage direct current side；
The entire car controller sends second detection messages, second detection to the electric machine controller
Message is used for the upper (lower) brachium pontis for indicating whether to open any one phase in motor three-phase windings, makes high-voltage alternating
Electric side is connected with high voltage direct current side, and then calls the insulaion resistance monitoring module to the high-voltage alternating
The insulaion resistance of electric side is monitored.
3. insulaion resistance detection method according to claim 1, it is characterised in that the high-voltage alternating
Electric side is connected by high voltage direct current side described in transistor AND gate；The determination is opened in motor three-phase windings arbitrarily
The upper (lower) brachium pontis of one phase, makes High Level AC Voltage side be connected with high voltage direct current side, and then calls described
Insulaion resistance monitoring module is monitored to the insulaion resistance of the High Level AC Voltage side, including：
Transistor described in the motor controller controls is opened, and connects the High Level AC Voltage side and the high pressure
Direct current side；
The insulaion resistance monitoring module is called to be monitored the insulaion resistance of the High Level AC Voltage side.
4. insulaion resistance detection method according to claim 3, it is characterised in that the high-voltage alternating
Electric side includes electric machine controller three-phase output end, motor three-phase windings, any one in the motor three-phase windings
Mutually all include upper brachium pontis and lower brachium pontis, the upper brachium pontis and the high voltage direct current being made up of the transistor
The bus positive pole connection of side, the lower brachium pontis are connected with the bus negative pole of the high voltage direct current side；Described exhausted
Edge resistance monitoring module measures the comprehensive insulaion resistance of the high voltage direct current side and the High Level AC Voltage side
Value, including：
When the transistor of the upper brachium pontis is opened, the insulaion resistance monitoring module measures the institute of positive pole
State comprehensive insulating resistance value；
When the transistor of the lower brachium pontis is opened, the insulaion resistance monitoring module measures the institute of negative pole
State comprehensive insulating resistance value.
5. insulaion resistance detection method according to claim 1, it is characterised in that in the insulated electro
After the comprehensive insulating resistance value of resistance monitoring module measurement, also include：
The battery management system and the electric machine controller send detection feedback report to the entire car controller
Text, the detection feedback message are used for feeding back whether the insulaion resistance monitoring module has been completed to described comprehensive
Close the measurement of insulating resistance value.
6. a kind of insulaion resistance detecting system, it is characterised in that the insulaion resistance detecting system at least includes
Entire car controller, battery management system, electric machine controller, high voltage direct current side and High Level AC Voltage side, institute
Stating battery management system includes insulaion resistance monitoring module；
Wherein, the entire car controller is used for sending out to the battery management system and the electric machine controller respectively
Send insulaion resistance detection messages；
The battery management system is used for, according to the insulaion resistance detection messages, determining and calling the insulated electro
Resistance monitoring module is monitored to the insulaion resistance of the high voltage direct current side；And for obtaining measurement
The high voltage direct current side is sent to the full-vehicle control with the comprehensive insulating resistance value of the High Level AC Voltage side
Device；
The electric machine controller is used for, according to the insulaion resistance detection messages, determining and opening motor three-phase windings
In any one phase upper (lower) brachium pontis, so that High Level AC Voltage side is connected with high voltage direct current side, so adjust
The insulaion resistance of the High Level AC Voltage side is monitored with the insulaion resistance monitoring module；
The insulaion resistance monitoring module is used for measuring the comprehensive insulating resistance value.
7. insulaion resistance detecting system according to claim 6, it is characterised in that the insulaion resistance
Detection messages include the first detection messages and the second detection messages；
The entire car controller is additionally operable to send first detection messages to the battery management system, described
First detection messages are used for indicating whether to be monitored the insulaion resistance of the high voltage direct current side；And use
In second detection messages are sent to the electric machine controller, second detection messages are used for indicating whether
The upper (lower) brachium pontis of any one phase in motor three-phase windings is opened, makes High Level AC Voltage side and high voltage direct current
Side is connected, and then calls the insulaion resistance monitoring module to enter the insulaion resistance of the High Level AC Voltage side
Row monitoring.
8. insulaion resistance detecting system according to claim 6, it is characterised in that the high-voltage alternating
Electric side is connected by high voltage direct current side described in transistor AND gate；
The electric machine controller is additionally operable to control the transistor to open, and connects the High Level AC Voltage side and institute
State high voltage direct current side；And for calling the insulaion resistance monitoring module to the High Level AC Voltage side
Insulaion resistance is monitored.
9. insulaion resistance detecting system according to claim 8, it is characterised in that the high-voltage alternating
Electric side includes electric machine controller three-phase output end, motor three-phase windings, any one in the motor three-phase windings
Mutually all include upper brachium pontis and lower brachium pontis, the upper brachium pontis and the high voltage direct current being made up of the transistor
The bus positive pole connection of side, the lower brachium pontis are connected with the bus negative pole of the high voltage direct current side；
When the transistor of the upper brachium pontis is opened, the insulaion resistance monitoring module is used for measuring positive pole
Described comprehensive insulating resistance value；
When the transistor of the lower brachium pontis is opened, the insulaion resistance monitoring module is used for measuring negative pole
Described comprehensive insulating resistance value.
10. insulaion resistance detecting system according to claim 6, it is characterised in that the cell tube
Reason system is additionally operable to send detection feedback message to the entire car controller, and the detection feedback message is used for anti-
Present whether the insulaion resistance monitoring module has completed the measurement to comprehensive insulating resistance value；
The electric machine controller is additionally operable to send detection feedback message to the entire car controller, and the detection is anti-
Feedback message is used for feeding back whether the insulaion resistance monitoring module has completed the survey to comprehensive insulating resistance value
Amount.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444686A (en) * | 2018-11-08 | 2019-03-08 | 哈尔滨工业大学 | The dynamic insulation state on_line monitoring method of electric drive system for electric vehicles |
| CN110426556A (en) * | 2019-08-14 | 2019-11-08 | 江铃控股有限公司 | Vehicle megger test method and apparatus |
| CN110618359A (en) * | 2019-09-27 | 2019-12-27 | 合肥阳光电动力科技有限公司 | Alternating current insulation detection device and method for power driving system and power driving system |
| CN110967560A (en) * | 2019-03-01 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Insulation detection circuit, insulation detection method and battery management system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324645A (en) * | 2008-07-08 | 2008-12-17 | 奇瑞汽车股份有限公司 | Method and apparatus for measuring and calculating hybrid power vehicle high-pressure energy management system insulating resistance |
| CN202230137U (en) * | 2011-10-18 | 2012-05-23 | 上海恒动汽车电池有限公司 | Power cell insulation detection system for electric automobile |
| CN102769428A (en) * | 2011-05-06 | 2012-11-07 | 山洋电气株式会社 | Motor control apparatus with insulation degradation detection device and insulation degradation detection method of motor |
| CN102841284A (en) * | 2011-06-22 | 2012-12-26 | 同济大学 | On-line insulated monitoring method for high voltage of electromobile |
| CN103901325A (en) * | 2012-12-28 | 2014-07-02 | 上海申龙客车有限公司 | Insulation monitoring device of hybrid vehicle |
| CN104297568A (en) * | 2014-09-22 | 2015-01-21 | 北京天诚同创电气有限公司 | Insulation resistance detection device and method for double-winding motor |
| CN104767464A (en) * | 2014-01-08 | 2015-07-08 | 发那科株式会社 | Motor drive device including insulation deterioration detection function and insulation resistance detection method of motor |
-
2015
- 2015-08-27 CN CN201510534706.0A patent/CN106483379A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324645A (en) * | 2008-07-08 | 2008-12-17 | 奇瑞汽车股份有限公司 | Method and apparatus for measuring and calculating hybrid power vehicle high-pressure energy management system insulating resistance |
| CN102769428A (en) * | 2011-05-06 | 2012-11-07 | 山洋电气株式会社 | Motor control apparatus with insulation degradation detection device and insulation degradation detection method of motor |
| CN102841284A (en) * | 2011-06-22 | 2012-12-26 | 同济大学 | On-line insulated monitoring method for high voltage of electromobile |
| CN202230137U (en) * | 2011-10-18 | 2012-05-23 | 上海恒动汽车电池有限公司 | Power cell insulation detection system for electric automobile |
| CN103901325A (en) * | 2012-12-28 | 2014-07-02 | 上海申龙客车有限公司 | Insulation monitoring device of hybrid vehicle |
| CN104767464A (en) * | 2014-01-08 | 2015-07-08 | 发那科株式会社 | Motor drive device including insulation deterioration detection function and insulation resistance detection method of motor |
| CN104297568A (en) * | 2014-09-22 | 2015-01-21 | 北京天诚同创电气有限公司 | Insulation resistance detection device and method for double-winding motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444686A (en) * | 2018-11-08 | 2019-03-08 | 哈尔滨工业大学 | The dynamic insulation state on_line monitoring method of electric drive system for electric vehicles |
| CN110967560A (en) * | 2019-03-01 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Insulation detection circuit, insulation detection method and battery management system |
| CN110426556A (en) * | 2019-08-14 | 2019-11-08 | 江铃控股有限公司 | Vehicle megger test method and apparatus |
| CN110426556B (en) * | 2019-08-14 | 2021-12-07 | 江铃控股有限公司 | Method for testing insulation resistance of whole vehicle |
| CN110618359A (en) * | 2019-09-27 | 2019-12-27 | 合肥阳光电动力科技有限公司 | Alternating current insulation detection device and method for power driving system and power driving system |
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