CN109613348A - A kind of high-voltaghe compartment tooling automatic detection device - Google Patents
A kind of high-voltaghe compartment tooling automatic detection device Download PDFInfo
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- CN109613348A CN109613348A CN201811235750.1A CN201811235750A CN109613348A CN 109613348 A CN109613348 A CN 109613348A CN 201811235750 A CN201811235750 A CN 201811235750A CN 109613348 A CN109613348 A CN 109613348A
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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
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- Combustion & Propulsion (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a kind of high-voltaghe compartment tooling automatic detection devices, comprising: power module is powered for the Intranet circuit to high-voltaghe compartment；Then test instrumentation is transferred to host computer by CAN card for acquiring the loop voltage value in default measure loop, loop current value and loop resistance value；Host computer, it is connected with test instrumentation by CAN card, for receiving loop voltage value, loop current value and loop resistance value in the default measure loop that the test instrumentation transmits, then judge that default measure loop whether there is abnormal conditions, and in the display screen display judging result of host computer.A kind of high-voltaghe compartment tooling automatic detection device disclosed by the invention, it can efficiently and rapidly detect the working performance of high-voltaghe compartment, improve detection efficiency, save noble manpower and material resources, and then reduce the whole production cost of high-voltaghe compartment, be conducive to widely apply, be of great practical significance.
Description
Technical field
The present invention relates to technical field of industrial automatic control, detect dress automatically more particularly to a kind of high-voltaghe compartment tooling
It sets.
Background technique
It is widely used in industrial control automation technology in industrial processes, industrial processes are realized to realize
Detection, control, optimization, scheduling, management and decision improve product quality and yield, reduce production consumption, ensure safety to reach
The purpose of.
Currently, energy-storage units of the power battery as electric car, are responsible for and provide power for each electricity consumption device of vehicle
Important function.Since power battery voltage is high, power is big, there is certain risk.In order to guarantee the safety of electric car
Operation needs to carry out each electric loop electric current distribution, and realizes the control to each circuit by contactor, passes through fusing
Device and fuse realize the safeguard protection in each circuit, therefore just have this concept of high-voltaghe compartment, by by contactor, fuse
Equal components concentrate arrangement to be mounted in high-voltaghe compartment, are managed to the distribution of electric car, realize the overcurrent to electric car,
The functions such as the monitoring of the safety protection functions such as over-voltage, charging/discharging function and battery system.
But in order to detect the working performance of high-voltaghe compartment, currently, mainly still detected by artificial mode, and
Artificial judgement is carried out to testing result, therefore, detection efficiency is low, needs to expend a large amount of manpower and material resources, significantly increases height
Press the whole production cost of case.
Therefore, at present there is an urgent need to develop a kind of technology out, can efficiently and rapidly to the working performance of high-voltaghe compartment into
Row detection, improves detection efficiency, saves noble manpower and material resources, and then reduce the whole production cost of high-voltaghe compartment.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of high-voltaghe compartment tooling automatic detection device, it being capable of efficient quick
Ground detects the working performance of high-voltaghe compartment, improves detection efficiency, saves noble manpower and material resources, and then reduce high-voltaghe compartment
Whole production cost is conducive to widely apply, be of great practical significance.
For this purpose, the present invention provides a kind of high-voltaghe compartment tooling automatic detection devices, comprising:
Power module is powered for the Intranet circuit to high-voltaghe compartment；
Test instrumentation, for acquiring the loop voltage value in default measure loop, loop current value and loop resistance value, so
Host computer is transferred to by CAN card afterwards；
Host computer, is connected with test instrumentation by CAN card, the default inspection transmitted for receiving the test instrumentation
Then loop voltage value, loop current value and loop resistance value in survey time road judge default measure loop with the presence or absence of abnormal
Situation, and in the display screen display judging result of host computer.
Wherein, the test instrumentation is Agilent digital multimeter.
Wherein, the host computer, specifically for loop voltage value, the loop current value for transmitting the test instrumentation
With loop resistance value, respectively with preset normal loop voltage value section, normal loop current value section and normal loop resistance
Value section is compared, when loop voltage value, loop current value or loop resistance value be not in corresponding section, corresponding judgement
There are abnormal conditions.
Wherein, when needing to carry out internal temperature analog detection to high-voltaghe compartment, the default measure loop is default internal
Temperature detection circuit；
The default internal temperature measure loop is by connecting access one in the Intranet circuit of the high-voltaghe compartment in advance
If the first battery is formed by circuit；
The test instrumentation is used to detect the loop voltage in default internal temperature measure loop, then by CAN card
First passage be sent to host computer；
Accordingly, the host computer, for receiving in the default internal temperature measure loop that the test instrumentation is sent
Then the loop voltage value is compared by loop voltage with upper voltage limit that is pre-set, having at a normal temperature,
When the loop voltage value is less than or equal to the upper voltage limit, judges that the internal temperature of high-voltaghe compartment is normal, otherwise, judge different
Often.
Wherein, when needing to carry out insulation resistance detection to high-voltaghe compartment, the default measure loop is default insulation resistance
Measure loop；
The default insulation resistance measure loop is by connecting access one in the Intranet circuit of the high-voltaghe compartment in advance
If the second battery and a default 3rd resistor are formed by circuit；
The test instrumentation is used to detect the loop current in default insulation resistance measure loop, then by CAN card
Second channel be sent to host computer；
Accordingly, the host computer, for receiving in the default insulation resistance measure loop that the test instrumentation is sent
Then the loop current value is compared by loop current with pre-set isolated circuits current value upper limit value, if it is greater than
Pre-set isolated circuits current value upper limit value, then there are insulation faults for judgement, and otherwise, insulation fault is not present in judgement.
Wherein, when needing to carry out charge and discharge analog detection to high-voltaghe compartment, the default measure loop is default charge and discharge
Analog detection circuit；
The default charge and discharge analog detection circuit specifically: by by the external charge and discharge of positive terminal and negative pole end and one
Source, which is connected, is formed by the Intranet circuit of high-voltaghe compartment；
The test instrumentation is used to detect the loop current and loop resistance in default charge and discharge analog detection circuit, then
Host computer is sent to by the third channel in CAN card；
Accordingly, the host computer, for receiving in the default charge and discharge analog detection circuit that the test instrumentation is sent
Loop current and loop resistance, then the loop current value and pre-set charging and discharging circuit current value section are compared
Compared with, and will be compared between the loop resistance value and pre-set charging and discharging circuit resistor tracks, when the loop current value
Not in pre-set charging and discharging circuit current value section or the loop resistance value is not in pre-set charging and discharging circuit
When resistor tracks is interior, there are charge and discharge electric faults for judgement, and otherwise, charge and discharge electric fault is not present in judgement.
Wherein, when needing to carry out arousal function detection to high-voltaghe compartment, the default measure loop is the interior of high-voltaghe compartment
Net circuit；
At this point, the battery management system BMS on high-voltaghe compartment is in power-up state；
Battery management system BMS passes through the fourth lane and host computer progress data connection in CAN card；
At this point, the host computer, for sending test packet to battery management system BMS, and loads and receives the battery
The response message of management system BMS feedback judges if having received the response message of the battery management system BMS feedback
Battery management system BMS has been waken up, and otherwise, judgement is not waken up.
Wherein, when needing to carry out relay occlusion detection to high-voltaghe compartment, the default measure loop is default relay
Occlusion detection circuit；
The default relay occlusion detection circuit specifically: by by the external charge and discharge of positive terminal and negative pole end and one
Source, which is connected, is formed by the Intranet circuit of high-voltaghe compartment；
The test instrumentation is used to detect the loop current in default relay occlusion detection circuit, then passes through CAN card
In Five-channel be sent to host computer；
Accordingly, the host computer, for receiving in the default relay occlusion detection circuit that the test instrumentation is sent
Loop current, then the loop current value is compared with pre-set loop current upper limit value, if it is greater than described
Pre-set loop current upper limit value, then there are overcurrent conditions for judgement, that is, there is relay closure abnormal problem, otherwise, after
Electric appliance is normal.
Wherein, further include PLC control module, when needing to carry out communication failure detection to high-voltaghe compartment, have by CAN card
Different channels, be connected respectively from the relay for the different PLC being arranged on the main line of multiple default measure loops, for sending
Signal is controlled to different PLC relays, the closure of corresponding control PLC relay；
PLC control module, user ought need to preset measure loop to one of them the PLC relay having and carry out communication survey
When examination, sends preset control signal and give PLC relay, and receive the response signal of feedback, if having received the PLC relay
The response signal of feedback then judges that the communication between the PLC relay and PLC module is normal, otherwise, judges exception, then, will
Judging result is sent to host computer in real time by CAN card.
It wherein, further include battery system administrative unit BMU transmitting unit, for automatic when needing to carry out colliding to high-voltaghe compartment
When power down function detects, pwm pulse modulating wave is generated, so that simulated crash signal, is then sent to PLC control module；
At this point, PLC control module, is also used to after receiving pwm pulse modulation wave signal, control signal is sent in real time to institute
The PLC relay on the main line of the Intranet circuit of high-voltaghe compartment, the disconnection of corresponding control PLC relay are stated, and sends detection trigger
Signal is to test instrumentation
At this point, test instrumentation is used for after receiving detection trigger signal, in the Intranet circuit of real-time detection high-voltaghe compartment
Loop current value illustrates not power off successfully, there are different for the automatic circuit break function of high-voltaghe compartment if having loop current
Often, otherwise, judge that the automatic circuit break function of high-voltaghe compartment is normal.
By the above technical solution provided by the invention as it can be seen that compared with prior art, the present invention provides a kind of high pressures
Case tooling automatic detection device can efficiently and rapidly detect the working performance of high-voltaghe compartment, improve detection efficiency, section
About noble manpower and material resources, and then the whole production cost of high-voltaghe compartment is reduced, be conducive to widely apply, there is great production
Practice significance.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of high-voltaghe compartment tooling automatic detection device provided by the invention；
Fig. 2 is a kind of overall structure working principle diagram of high-voltaghe compartment tooling automatic detection device provided by the invention；
Fig. 3 is the working principle diagram of PLC control module in a kind of high-voltaghe compartment tooling automatic detection device provided by the invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Fig. 3, the present invention provides a kind of high-voltaghe compartment tooling automatic detection devices, comprising:
Power module is powered for the Intranet circuit to high-voltaghe compartment；
Test instrumentation, for acquiring the loop voltage value in default measure loop, loop current value and loop resistance value, so
Host computer is transferred to by CAN (controller local area network) card afterwards；
Host computer, is connected with test instrumentation by CAN card, the default inspection transmitted for receiving the test instrumentation
Then loop voltage value, loop current value and loop resistance value in survey time road judge default measure loop with the presence or absence of abnormal
Situation, and in the display screen display judging result of host computer.
In the present invention, in specific implementation, the power module can be the low-tension supply of 12V or 24V, be used for mould
The series-connection power supplies of quasi- 48 string battery core are powered come the Intranet circuit to high-voltaghe compartment, and are also used to battery system administrative unit
(BMU) the insulation resistance detection carried out is powered.
In the present invention, it should be noted that the Intranet circuit of the high-voltaghe compartment itself can have for existing high-voltaghe compartment
Circuit, it is same as the prior art herein, be not unfolded to describe.
In the present invention, in specific implementation, the test instrumentation is preferably Agilent digital multimeter.
In the present invention, in specific implementation, the CAN card is the CAN card of multichannel, for example, has nine channels
CAN card.
In the present invention, in specific implementation, the host computer can be industrial computer.
In the present invention, the host computer, specifically for the test instrumentation is transmitted loop voltage value, circuit
Current value and loop resistance value, respectively with preset normal loop voltage value section, normal loop current value section and normal return
It is compared between the resistor tracks of road, it is right when loop voltage value, loop current value or loop resistance value be not in corresponding section
It should judge that there are abnormal conditions.
In specific implementation, when needing to carry out internal temperature analog detection to high-voltaghe compartment, the default measure loop is pre-
If internal temperature measure loop；
The default internal temperature measure loop is by connecting access one in the Intranet circuit of the high-voltaghe compartment in advance
If the first battery (specifically big resistance) is formed by circuit；
The test instrumentation is used to detect the loop voltage in default internal temperature measure loop, then by CAN card
First passage be sent to host computer；
Accordingly, the host computer, for receiving in the default internal temperature measure loop that the test instrumentation is sent
Loop voltage, then by the loop voltage value and voltage that is pre-set, having under normal temperature (such as 15~30 DEG C)
Upper limit value is compared, and when the loop voltage value is less than or equal to the upper voltage limit, is judging the internal temperature of high-voltaghe compartment just
Often, otherwise, judge abnormal (i.e. temperature is excessively high).
In specific implementation, when needing to carry out insulation resistance detection to high-voltaghe compartment, the default measure loop is default exhausted
Edge resistance detection circuit；
The default insulation resistance measure loop is by connecting access one in the Intranet circuit of the high-voltaghe compartment in advance
If the second battery (for example, 500K Ω) and a default 3rd resistor (such as 1M Ω resistance) are formed by circuit；
The test instrumentation is used to detect the loop current in default insulation resistance measure loop, then by CAN card
Second channel be sent to host computer；
Accordingly, the host computer, for receiving in the default insulation resistance measure loop that the test instrumentation is sent
Then the loop current value is compared by loop current with pre-set isolated circuits current value upper limit value, if it is greater than
Pre-set isolated circuits current value upper limit value, then there are insulation faults for judgement, and otherwise, insulation fault is not present in judgement.
It should be noted that when needing to carry out insulation resistance detection to high-voltaghe compartment, the Intranet circuit of the high-voltaghe compartment with
The DC power supply of one high-precision programmable is as signal source.
In specific implementation, when needing to carry out charge and discharge analog detection to high-voltaghe compartment, the default measure loop is default
Charge and discharge analog detection circuit；
The default charge and discharge analog detection circuit specifically: by the way that positive terminal and negative pole end (are specifically as follows high pressure
Total positive air plug of case and total negative air plug) and an external charge and discharge power supply (such as a program-controlled pressure-stabilizing constant flow high-power DC power supply)
It is connected and is formed by the Intranet circuit of high-voltaghe compartment.
The test instrumentation is used to detect the loop current and loop resistance in default charge and discharge analog detection circuit, then
Host computer is sent to by the third channel in CAN card；
Accordingly, the host computer, for receiving in the default charge and discharge analog detection circuit that the test instrumentation is sent
Loop current and loop resistance, then the loop current value and pre-set charging and discharging circuit current value section are compared
Compared with, and will be compared between the loop resistance value and pre-set charging and discharging circuit resistor tracks, when the loop current value
Not in pre-set charging and discharging circuit current value section or the loop resistance value is not in pre-set charging and discharging circuit
When resistor tracks is interior, there are charge and discharge electric faults for judgement, and otherwise, charge and discharge electric fault is not present in judgement.
In specific implementation, when needing to carry out arousal function detection to high-voltaghe compartment, the default measure loop is high pressure
The Intranet circuit of case；
At this point, the battery management system (BMS) on high-voltaghe compartment is in power-up state；
Battery management system (BMS) passes through the fourth lane and host computer progress data connection in CAN card；
At this point, the host computer, for sending test packet to battery management system (BMS), and loads and receives the electricity
The response message of pond management system (BMS) feedback, if having received the response message of the battery management system (BMS) feedback,
Then judge that battery management system (BMS) has been waken up, otherwise, judgement is not waken up.
It should be noted that in the present invention, the arousal function detection mainly wakes up including charging and ON grades of wake-ups,
When simulating charge and discharge, whether detectable battery management system BMS is waken up, and whether BMS has worked normally.
In specific implementation, when needing to carry out relay occlusion detection to high-voltaghe compartment, the default measure loop is default
Relay occlusion detection circuit；
The default relay occlusion detection circuit specifically: by the way that positive terminal and negative pole end (are specifically as follows high pressure
Total positive air plug of case and total negative air plug) and an external charge and discharge power supply (such as a program-controlled pressure-stabilizing constant flow high-power DC power supply)
It is connected and is formed by the Intranet circuit of high-voltaghe compartment.
The test instrumentation is used to detect the loop current in default relay occlusion detection circuit, then passes through CAN card
In Five-channel be sent to host computer；
Accordingly, the host computer, for receiving in the default relay occlusion detection circuit that the test instrumentation is sent
Loop current, then the loop current value is compared with pre-set loop current upper limit value, if it is greater than described
Pre-set loop current upper limit value, then there are overcurrent conditions for judgement, that is, there is relay closure abnormal problem, otherwise, after
Electric appliance is normal.
In specific implementation, when needing to carry out communication failure detection to high-voltaghe compartment, the invention also includes PLC control modules
(i.e. programmable control module)；
PLC control module, the different channels having by CAN card, respectively with multiple default measure loops (including front institute
The default internal temperature measure loop stated, default insulation resistance measure loop, default charge and discharge analog detection circuit, high-voltaghe compartment
The various circuits such as Intranet circuit and default relay occlusion detection circuit) main line on the relay phase of different PLC that is arranged
Connection, for sending control signal to different PLC relays, the closure of corresponding control PLC relay.
PLC control module, user ought need to preset measure loop to one of them the PLC relay having and carry out communication survey
When examination, sends preset control signal and give PLC relay, and receive the response signal of feedback, if having received the PLC relay
The response signal of feedback then judges that the communication between the PLC relay and PLC module is normal, otherwise, judges exception, then, will
Judging result is sent to host computer in real time by CAN card.
In the present invention, the specific relay group controlled using 48 groups by PLC, according to the difference of test request, disconnection is closed
Relay therein is closed, to realize that the fault simulation under different operating conditions detects, judges whether high-voltaghe compartment work is normal.
It should be noted that being detected for the present invention by PLC fault simulation, simulation may go out in actual use
Whether existing various failures, the high-voltaghe compartment for detecting factory reach design requirement, and the communication detection in PLC fault detection is given first
Intranet circuit provides the low-tension supply of a 12V or 24V, and then the present apparatus provides 9 channels CAN for testing different lead to
News, a channel correspond to a kind of test communication, and corresponding relay is closed by PLC, test loop is formed, passes through CAN card
With PC end communication, the typical set value of host computer is compared, judges whether each communication is normal.Failure mould can also be carried out simultaneously
Whether failure that is quasi-, being generated by simulation, detection high-voltaghe compartment make corresponding reaction, to have the function that protect high-voltaghe compartment.
In the present invention, in specific implementation, the invention also includes battery system administrative unit (BMU) transmitting units, are used for
When needing to carry out high-voltaghe compartment to collide automatic circuit break function detection, pwm pulse modulating wave is generated, thus simulated crash signal,
It is then sent to PLC control module；
At this point, PLC control module, is also used to after receiving pwm pulse modulation wave signal, control signal is sent in real time to institute
The PLC relay on the main line of the Intranet circuit of high-voltaghe compartment, the disconnection of corresponding control PLC relay are stated, and sends detection trigger
Signal is to test instrumentation
At this point, test instrumentation is used for after receiving detection trigger signal, in the Intranet circuit of real-time detection high-voltaghe compartment
Loop current value illustrates not power off successfully, there are different for the automatic circuit break function of high-voltaghe compartment if having loop current
Often, otherwise, judge that the automatic circuit break function of high-voltaghe compartment is normal.
Therefore, the present invention generates collision alarm once detecting discovery, can judge whether high-voltaghe compartment automatically powers off, and protection is high
Press case.
In the present invention, in specific implementation, it mainly includes to stepping on that the present invention, which can also include host computer sequential logic part,
Programming layout arrangements in lithosphere face, main test interface programming, assistant interface programming, Database and more
Newly, data storage calling, testing process selection, optimizing detection efficiency, sequential logic determine；It, can according to different test requests
To select different testing process, testing procedure, test request of the invention is met with a kind of better way.
In specific implementation, host computer interface and sequential logic write and mainly need to write detection host computer circle according to test
Face disconnects corresponding PLC relay according to test request closure to realize that fault simulation detects, selects to test according to testing process
Temporal order.
Therefore, above scheme is based on it is found that for the present invention, the closure controlled by PLC can make so that analog detection is practical
Whether the various failures and detection factory high-voltaghe compartment generated with process mesohigh case reach design requirement, main fault detection
Including the detection of Intranet communication failure, the detection of vehicle communication failure, the detection of debugging communication failure, is led back the detection of outer net communication failure
Road communication detection, heating relay test, insulation resistance detection, charging/discharging function detection, wakes up main negative relay occlusion detection
Function detection.
Host computer sequential logic mainly includes that testing process selection, optimizing detection efficiency, sequential logic determine, show boundary
Face is write, and by way of analog detection, whether detection high pressure box function is normal, if reaches design requirement, passes through failure mould
Quasi- mode restores the failure occurred in actual use, and according to fault type, the difference of grade, whether high-voltaghe compartment can be made
Corresponding counter-measure out, this is the tool detection apparatus of a collection detection plus fault simulation, efficiently convenient, accurate and reliable.
Therefore, it is based on above technical scheme it is found that for the present invention, as a kind of high-voltaghe compartment tooling automatic detection device,
Part is write including PLC control module, power module, host computer testing process, wherein PLC control module can be realized power supply
The relays such as circuit, CAN communication circuit, control loop automatically switch；Power module can simulate 48 string battery core series voltages and
The power supply of BMU Insulation monitoring, by test instrumentation realize loop voltage, the precise acquisition of resistance value and communication transfer to host computer,
The processing such as voltage, resistance, CAN data is realized at the end PC, and whether decision-making function is normal, and is shown to host computer interface；Host computer is surveyed
Examination process is write to be detected including time series stereodata, and testing process is write.
It should be noted that high-voltaghe compartment tooling automatic detection device provided by the invention, is a kind of automatic detection of industry
It is device, reliable and stable, efficiently convenient, it can save a large amount of manpower and material resources, control production cost, improve production efficiency.It is a kind of intelligence
Can, convenient, efficient automatic detection device.
Compared with prior art, the present invention has advantageous effects below:
1, every survey that the present invention integrated local battery monitoring unit (LMU) and battery system administrative unit (BMU) have
Examination function, detection LMU voltage acquisition function, temperature acquisition function, equalization function, communication function etc., detection BMU communication function,
DC/AC fills temperature, stagnation pressure, insulation values, CC, CC2, CP, high-voltage interlocking, wake-up signal, ignition signal, PB0~PB7 control
Test, stagnation pressure detection, verification and Insulation monitoring etc., it is efficiently convenient using such design, it uses manpower and material resources sparingly, saves test
Time, measurement quality are accurate.
2, the present invention can simulate 48 string battery cores by way of electric resistance partial pressure, and emulation voltage is controllable, without mending to tooling
Electricity reduces battery core danger source itself, can both ensure tester's safety in this way, and on the other hand can save testing cost.
3, the present invention is after the completion of the high-voltaghe compartment connection as test sample, using full-automatic testing process, before reduction
It is artificial to determine caused erroneous judgement situation.
4, the host computer sequential logic that has of the present invention writes part, and user can be allowed according to different types of high-voltaghe compartment,
Different testing schemes is write out, successively different test failures is simulated in selection, and selection optimizes most efficient testing process, reaches
To accurate test request, efficient testing efficiency.And it is had no need to change mainly to configure, editability is strong, and cost is relatively low,
Efficiency is higher.
In conclusion compared with prior art, a kind of high-voltaghe compartment tooling automatic detection device provided by the invention, energy
It is enough that efficiently and rapidly the working performance of high-voltaghe compartment is detected, detection efficiency is improved, saves noble manpower and material resources, and then drop
The whole production cost of low high-voltaghe compartment is conducive to widely apply, be of great practical significance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of high-voltaghe compartment tooling automatic detection device characterized by comprising
Power module is powered for the Intranet circuit to high-voltaghe compartment；
Then test instrumentation leads to for acquiring the loop voltage value in default measure loop, loop current value and loop resistance value
It crosses CAN card and is transferred to host computer；
Host computer is connected with test instrumentation by CAN card, is returned for receiving the default detection that the test instrumentation transmits
Then loop voltage value, loop current value and loop resistance value in road judge that default measure loop whether there is abnormal conditions,
And in the display screen display judging result of host computer.
2. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that the test instrumentation is Agilent
Digital multimeter.
3. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that the host computer is specifically used for
Loop voltage value, loop current value and the loop resistance value that the test instrumentation is transmitted normally are returned with preset respectively
Between the voltage region of road, normal loop current value section and normal loop resistance value section be compared, when loop voltage value, circuit
When current value or loop resistance value be not in corresponding section, there are abnormal conditions for corresponding judgement.
4. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that in needing to carry out high-voltaghe compartment
When portion's temperature simulation detects, the default measure loop is default internal temperature measure loop；
The default internal temperature measure loop is by access one of connecting in the Intranet circuit of the high-voltaghe compartment default the
One battery is formed by circuit；
The test instrumentation is used to detect loop voltage in default internal temperature measure loop, then passes through the in CAN card
One channel is sent to host computer；
Accordingly, the host computer, for receiving the circuit in the default internal temperature measure loop that the test instrumentation is sent
Then the loop voltage value is compared, when this by voltage with upper voltage limit that is pre-set, having at a normal temperature
When loop voltage value is less than or equal to the upper voltage limit, judges that the internal temperature of high-voltaghe compartment is normal, otherwise, judge exception.
5. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that exhausted when needing to carry out high-voltaghe compartment
When edge resistance detection, the default measure loop is default insulation resistance measure loop；
The default insulation resistance measure loop is by access one of connecting in the Intranet circuit of the high-voltaghe compartment default the
Two batteries and a default 3rd resistor are formed by circuit；
The test instrumentation is used to detect loop current in default insulation resistance measure loop, then passes through the in CAN card
Two channels are sent to host computer；
Accordingly, the host computer, for receiving the circuit in the default insulation resistance measure loop that the test instrumentation is sent
Then the loop current value is compared, if it is greater than preparatory by electric current with pre-set isolated circuits current value upper limit value
The isolated circuits current value upper limit value of setting, then there are insulation faults for judgement, and otherwise, insulation fault is not present in judgement.
6. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that when needing to fill to high-voltaghe compartment
When Discharge Simulation detects, the default measure loop is default charge and discharge analog detection circuit；
The default charge and discharge analog detection circuit specifically: by by positive terminal and negative pole end and an external charge and discharge power supply phase
Connection is formed by the Intranet circuit of high-voltaghe compartment；
The test instrumentation is used to detect the loop current and loop resistance in default charge and discharge analog detection circuit, then passes through
Third channel in CAN card is sent to host computer；
Accordingly, the host computer, for receiving returning in the default charge and discharge analog detection circuit that the test instrumentation is sent
Then the loop current value is compared by road electric current and loop resistance with pre-set charging and discharging circuit current value section,
And will be compared between the loop resistance value and pre-set charging and discharging circuit resistor tracks, when the loop current value does not exist
In pre-set charging and discharging circuit current value section or the loop resistance value is not in pre-set charging and discharging circuit resistance
When being worth in section, there are charge and discharge electric faults for judgement, and otherwise, charge and discharge electric fault is not present in judgement.
7. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that when needing to call out high-voltaghe compartment
When Function detection of waking up, the default measure loop is the Intranet circuit of high-voltaghe compartment；
At this point, the battery management system BMS on high-voltaghe compartment is in power-up state；
Battery management system BMS passes through the fourth lane and host computer progress data connection in CAN card；
At this point, the host computer, for sending test packet to battery management system BMS, and loads and receives the battery management
The response message of system BMS feedback judges battery if having received the response message of the battery management system BMS feedback
Management system BMS has been waken up, and otherwise, judgement is not waken up.
8. high-voltaghe compartment tooling automatic detection device as described in claim 1, which is characterized in that when need to high-voltaghe compartment carry out after
When electric appliance occlusion detection, the default measure loop is default relay occlusion detection circuit；
The default relay occlusion detection circuit specifically: by by positive terminal and negative pole end and an external charge and discharge power supply phase
Connection is formed by the Intranet circuit of high-voltaghe compartment；
The test instrumentation is used to detect the loop current in default relay occlusion detection circuit, then by CAN card
Five-channel is sent to host computer；
Accordingly, the host computer, for receiving returning in the default relay occlusion detection circuit that the test instrumentation is sent
Then the loop current value is compared by road electric current with pre-set loop current upper limit value, if it is greater than described preparatory
The loop current upper limit value of setting, then there are overcurrent conditions for judgement, that is, there is relay closure abnormal problem, otherwise, relay
Normally.
9. such as high-voltaghe compartment tooling automatic detection device described in any item of the claim 1 to 8, which is characterized in that further include PLC
Control module, when need to high-voltaghe compartment carry out communication failure detection when, the different channels having by CAN card, respectively with it is multiple
The relay for the different PLC being arranged on the main line of default measure loop is connected, for sends control signal to different PLC after
Electric appliance, the closure of corresponding control PLC relay；
PLC control module, user preset the PLC relay that measure loop has to one of them when needs and carry out communication test
When, it sends preset control signal and gives PLC relay, and receive the response signal of feedback, if it is anti-to have received the PLC relay
The response signal of feedback then judges that the communication between the PLC relay and PLC module is normal, otherwise, judges exception, then, will sentence
Disconnected result is sent to host computer in real time by CAN card.
10. high-voltaghe compartment tooling automatic detection device as claimed in claim 9, which is characterized in that further include battery system management
Unit B MU transmitting unit, for generating pwm pulse modulation when needing to carry out high-voltaghe compartment to collide automatic circuit break function detection
Wave, so that simulated crash signal, is then sent to PLC control module；
At this point, PLC control module, is also used to after receiving pwm pulse modulation wave signal, control signal is sent in real time to the height
The PLC relay on the main line of the Intranet circuit of case, the disconnection of corresponding control PLC relay are pressed, and sends detection trigger signal
To test instrumentation
At this point, test instrumentation is for the circuit after receiving detection trigger signal, in the Intranet circuit of real-time detection high-voltaghe compartment
Current value illustrates not power off successfully if having loop current, and the automatic circuit break function of high-voltaghe compartment has exception, no
Then, judge that the automatic circuit break function of high-voltaghe compartment is normal.
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