CN109307838A - A kind of new-energy automobile high-voltaghe compartment factory testing system - Google Patents
A kind of new-energy automobile high-voltaghe compartment factory testing system Download PDFInfo
- Publication number
- CN109307838A CN109307838A CN201710633662.6A CN201710633662A CN109307838A CN 109307838 A CN109307838 A CN 109307838A CN 201710633662 A CN201710633662 A CN 201710633662A CN 109307838 A CN109307838 A CN 109307838A
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- China
- Prior art keywords
- relay
- bms
- signal
- voltaghe compartment
- detection
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Classifications
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Abstract
The present invention relates to a kind of new-energy automobile high-voltaghe compartment factory testing systems, including detection case and host computer, loop detection module in detection case for relay, insurance in and high-voltaghe compartment whether normal to relay in high-voltaghe compartment, whether harness constitutes circuit detects.When detecting, for any one relay, signal, which is provided, to BMS in high-voltaghe compartment by host computer reaches the function that BMS controls relay actuation or disconnects, that is, control signal is sent to relay, turns it on or hangs up, obtain the on state of relay contact by current conditions in loop detection module, and then obtain whether BMS normal to relay control and relay itself and return wire whether correct and normal conclusion.So can the detection system can work normally BMS in high-voltaghe compartment, can each relay work normally, whether circuit connection is correctly effectively detected, the normal operation of various relays in high-voltaghe compartment is ensured.
Description
Technical field
The present invention relates to a kind of new-energy automobile high-voltaghe compartment factory testing systems, belong to the factory inspection of new-energy automobile high-voltaghe compartment
Survey technology field.
Background technique
As domestic new-energy automobile flourishes, new-energy automobile high pressure box number demand is also steeply risen, but due to
The shorter all kinds of detection devices of new-energy automobile development time are still not perfect, and high-voltaghe compartment manufacturer not can guarantee BMS in case, relay
Can device work normally and whether each circuit connection relationship connects the problems such as correct, occur after reaching user so as to cause high-voltaghe compartment
Enterprises using the labor cost has been significantly greatly increased in this way, while having influenced production efficiency for all kinds of situations, it is heavy then vehicle debugging the stage give birth to
Critically ill danger.So it is the key that can high-voltaghe compartment operate normally that can various relays, which work normally, in high-voltaghe compartment, and still, mesh
A kind of preceding not effective detection system detects internal relay when high-voltaghe compartment dispatches from the factory.
Summary of the invention
The object of the present invention is to provide a kind of new-energy automobile high-voltaghe compartment factory testing system, to in high-voltaghe compartment after
Electric appliance is detected.
To achieve the above object, the solution of the present invention includes a kind of new-energy automobile high-voltaghe compartment factory testing system, including
Detection case and host computer, the detection case, which is provided with, detects mould for detecting the circuit that whether relay works normally in high-voltaghe compartment
Block, the host computer has the control signal output interface for the relay sending corresponding control signal into high-voltaghe compartment, upper
Machine relay into high-voltaghe compartment issues corresponding control signal, is realized by loop detection module to the whether normal work of corresponding relay
It is detected.
The control signal output interface, which exports, is connected with driving switch, there is different relays one-to-one correspondence in high-voltaghe compartment
The different stalls of driving switch, the loop detection module are a detection route, detection line road string be equipped with battery with
The both ends of standby signal output module, the detection route are probe；For any one relay, when the detection relay
When, driving switch is switched on corresponding gear, the contact of the relay is linked into detection line road using probe, with shape
At measure loop, host computer sending filter controls signal, realizes relay by the standby signal output module in measure loop
The detection of device.
The detection case is additionally provided with square-wave signal transmitter, and the square-wave signal transmitter has for by square-wave signal
It is transferred to the square-wave signal coffret of BMS, the host computer has the communication interface for communicating with BMS, square-wave signal hair
Emitter exports square-wave signal to BMS, and host computer realizes the sending CP signal to BMS by the CP signal that reception BMS is issued
Function is detected.
The detection system further includes for being BMS power supply and the adjustable power pack of voltage, and the power pack, which has, to be used for
For the supply port of each connection line inside electrical connection BMS.
The detection case is additionally provided with voltage detection module, and the voltage detection module is provided with detection probe, in BMS
When each connection line in portion is detected, it is the power supply of corresponding connection line using corresponding supply port, will test probe and be placed in
The both ends of route are correspondingly connected with to detect the voltage at corresponding connection line both ends, whether each connection line is realized by detection voltage
The detection of connection.
Several control switches are provided in the detection case, each power supply line of power pack passes through corresponding control switch
The supply port is connected, is realized by each control switch to each connection line power supply control inside BMS.
Signal transmssion line road string between the square-wave signal transmitter and the square-wave signal coffret is equipped with the
One control switch.
There is the CC signal receiving interface of the CC signal for receiving BMS sending in the communication interface, host computer is by dividing
The CC signal that analysis BMS is issued realizes that the function of issuing CC signal to BMS detects.
String is equipped with the second control switch in the CC signal receiving circuit of the CC signal receiving interface connection.
The relevant interface for interacting with BMS of the detection case and host computer constitutes multicore signal connector, described more
Core signal connector is used to realize the interaction of detection system and high-voltaghe compartment to inserting with the signal connector of high-voltaghe compartment.
New-energy automobile high-voltaghe compartment factory testing system provided by the invention includes detection case and host computer, in detection case
Loop detection module to whether relay in high-voltaghe compartment works normally for detecting, when detecting, for any one after
Electric appliance sends control signal to the relay by host computer, turns it on or turn off, pass through electric current in loop detection module
Situation obtains the on state of relay contact, and then obtains the conclusion whether relay works normally.So the detection system
Can relay each in high-voltaghe compartment can be worked normally and effectively be detected, ensure the normal fortune of various relays in high-voltaghe compartment
Row.
Detailed description of the invention
Fig. 1 is new-energy automobile high-voltaghe compartment factory testing system entirety composition schematic diagram；
Fig. 2 is the appearance main view of detection case；
Fig. 3 is detection case internal layout；
Fig. 4 is the structural schematic diagram of loop detector；
Fig. 5 is the structural schematic diagram of voltage check device.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
As shown in Figure 1, the present invention provides a kind of new-energy automobile high-voltaghe compartment factory testing system, including it is detection case 2, upper
1 three parts of machine 3 and power pack.The upper computer control system for having high-voltaghe compartment BMS producer to provide in host computer 3 realizes entire inspection
The control of examining system.The function of power pack 1 has BMS power supply to be at state of activation, i.e., for powering to BMS or relay,
To activate BMS system or control relay to cut-off, also, electric energy, power supply also are provided for relevant devices other in detection system
The output voltage of box 1 is adjustable, and for range in 24V or more, output power will meet the actuation requirement of relay in high-voltaghe compartment.In addition,
A display is also provided on power pack 1, the size for real-time display output electric current.Since power pack 1 can be with
Later period is separately configured, so, it can not be a part of detection system.
Generally speaking, as shown in Fig. 2, detection case includes cabinet 22 and case lid 21, cabinet 22 and case lid 21 are solid by bolt
Fixed connection.
The detection device for realizing corresponding detection function is provided in cabinet 22, wherein as shown in figure 3, setting in cabinet 22
There is loop detector 25, for detecting whether each relay in high-voltaghe compartment works normally.The loop detector can also be right
Whether related insurance and harness in high-voltaghe compartment, which constitute circuit, is detected.Host computer 3 has for the relay into high-voltaghe compartment
Device issue corresponding control signal control signal output interface, when being detected to relay, host computer 3 into high-voltaghe compartment after
Electric appliance issues corresponding control signal, is detected by the realization of loop detector 25 to corresponding relay.Due in high-voltaghe compartment
There is more than one relay, different relays there may be different control modes, some relays can directly receive upper
The control signal that machine 3 is sent, is acted according to the control signal of host computer 3, and also some relays only receive the control that BMS is sent
Signal processed, then, host computer 3 needs first to send certain signal to BMS, and then BMS sends control letter to corresponding relay
Number, in this case, can BMS can also be detected relay normal control using these relays.In short, regardless of assorted
The relay of sample, final source are that host computer 3 controls, and it is either indirect by BMS that difference is that host computer 3 directly controls
Control.Therefore, it is whether normal to relay control and relay itself to can detecte BMS for loop detector 25.Moreover, different
Relay may need the trigger signal of different voltages grade, that is to say, that the actuation requirement of different relays may not
Together, then, if the host computer 3 always relay similarly to control signal control all kinds, possibly can not be to institute
Some relays carry out conducting control.Therefore, driving switch 27, shelves are provided at the control signal output interface of host computer 3
The number of bit switch is determined by the number of relay in actual high-voltage case, if having many relays in high-voltaghe compartment, Ke Yishe
Multiple driving switch are set to meet the requirements.Different relays corresponds the different stalls for having driving switch in high-voltaghe compartment.Control
Signal output interface processed output connects one end of each driving switch, each gear end of driving switch for export connection it is corresponding after
Electric appliance.In the present embodiment, loop detector 25 is a detection route, as shown in figure 4, detection line road string is equipped with battery
252 and standby signal output module (standby signal output module for exporting corresponding standby signal, to inform that staff examines
Whether survey line road is connected, and can be the device for dodging the output optical signals such as turn off the light, and is also possible to the output voice signal such as buzzer
Device, the present embodiment is by taking buzzer 253 as an example), battery 252 is arranged in battery case 251, and the both ends for detecting route are probe
254, the two probes pass through 22 two sides hole site of cabinet in outside cabinet 22, are convenient for detection.For any one relay, work as inspection
When surveying the relay, driving switch is switched on corresponding gear, the contact of the relay is linked into inspection using probe 254
Survey line road, to form measure loop.If probe 254 can connect at the both ends of relay contact, just directly by probe
254 connect at relay both ends, still, if deep place is arranged inside high-voltaghe compartment due to relay or only passes through dismantling
High-voltaghe compartment, which can connect probe 254, cannot directly connect probe 254 and touch in relay in reasons such as relay contact both ends
The both ends of point, it is possible to connect probe 254 at the both ends of route where the relay contact.Then, host computer 3 is to should be after
Electric appliance sends control signal, and the judgement whether relay works normally has: one, directly listen the actuation sound of relay, two, pass through
Buzzer 253 in measure loop judges, if buzzer 253 beeps, then it represents that measure loop conducting, relay touching
Point is attracted, i.e., the relay can work normally；If buzzer 253 does not make a sound, measure loop is in an off state, relay
Device continuity failure, relay cisco unity malfunction.Also aforesaid way is used to detect on other relays.
It is additionally provided in detection case 2 for can normally issue the equipment that the function of CP signal is detected to BMS, this sets
Standby is square-wave signal transmitter 26, and the square-wave signal coffret of square-wave signal transmitter 26 is for square-wave signal to be transferred to
BMS.Host computer 3 also has the communication interface for communicating with BMS, realizes that host computer 3 and BMS's is logical using the communication interface
News.Detection mode is: square-wave signal transmitter 26 exports square-wave signal to BMS, if the function that BMS issues CP signal is normal
If, BMS can generate CP signal according to the square-wave signal, otherwise can not generate CP signal.Also, due to host computer 3 with
BMS can be interacted, then, CP signal will be sent to host computer 3 by BMS, and can host computer 3 receive BMS hair by detection
CP signal realization out detects the function of the sending CP signal of BMS.Therefore, the square wave that square-wave signal transmitter 26 emits
Rectangular wave needed for BMS is detected can be provided for detection CP signal.
Further, can host computer 3 can also issue CC signal to BMS and detect.Since BMS can be issued directly
CC signal, then, just there is the CC signal receiving interface of the CC signal for receiving BMS sending in the communication interface on host computer 3,
Host computer 3 analyzes the CC signal that BMS is issued, and the function that CC signal is issued to BMS is realized according to the voltage change of the signal received
It can be carried out detection, to determine the circuit CC correctness inside BMS.
In addition, the signal between square-wave signal transmitter 26 and square-wave signal coffret passes for the ease of detection control
String is equipped with the first control switch on defeated route, also, in order to which output signal is met the requirements, which has certain
Resistance, such as string set a resistance；Similarly, string is opened equipped with the second control in the CC signal receiving circuit between BMS and host computer 3
It closes, also, in order to which output signal is met the requirements, which has certain resistance, for example string sets a resistance.It will
First control switch and the second control switch are embedded on case lid 21 in the form of rocker switch, therefore, CC the and CP state function of BMS
It can detect and be controlled by the correspondence rocker switch on detection case 2.In addition, host computer 3 can also control connection square wave signal projector
26, output square-wave signal is controlled.
Due to there is many connection lines inside BMS, in order to be detected to whether each connection line is connected to, i.e., each circuit
Whether conducting wire is correct and normal.It is additionally provided with a voltage check device 23 in detection case, is realized using the principle of voltage detecting
The detection of route.The output of power pack 1 has a plurality of power supply line, corresponds with connection line each inside BMS, by supplying accordingly
Electric port is provided with control switch, this reality in each power supply line for being electrically connected each connection line, also, for the ease of controlling
It applies in example, each control switch is rocker switch, on case lid 21.Voltage check device 23 is substantially a voltmeter
231, as shown in figure 5, both ends are provided with detection probe 232.For any one BMS internal connection line road, which is carried out
When detection, corresponding rocker switch is pressed, power pack 1 is the line powering, then will test probe 232 is placed in the route two
End, voltmeter 231 will show certain voltage value, judge whether the route is connected to according to the voltage value.Therefore, voltage
Detection device 23 can provide detection platform needed for voltage detecting for detection BMS internal structure.
As can be seen from the above description, detection system has many interfaces for connecting with high-voltaghe compartment, there is signal interaction interface,
Also there is power supply interface, such as: each gear end of driving switch, the communication interface of host computer 3 and BMS, power pack 1 are that BMS respectively connects
Supply port of link etc..These interfaces of detection system discrete can be arranged, and carry out one by one with high-voltaghe compartment when detection
Connection, still, this dispersion connection type is troublesome, in order to reduce the cumbersome degree of connection, will test and is used for and height in system
The interface of pressure case connection is made into a multicore signal connector 29, and the number of multicore signal connector 29 can be according to the letter of high-voltaghe compartment
Quantity and the model selection of number connector, when detecting, multicore signal connector 29 is connected with the signal connector of high-voltaghe compartment, logical
Cross two signal connectors to insert, realize being correspondingly connected with for each interface.So multicore signal connector 29 is related to detection system
All interfaces for being connect with high-voltaghe compartment, it is convenient fast directly to slotting signal connector when being connect with high-voltaghe compartment
It is prompt.
In addition, being provided with a CAN box 24 in detection case 2, each detection device in detection system passes through corresponding CANH
It is transferred to the CAN card in CAN box 24 with CANL, CAN card connects multicore signal connector 29 by corresponding CAN line.
A kind of arrangement of detection case 2 is given below: voltage check device 23 is fixed by bolts on cabinet 22, electricity
Two probes 232 of detection device 23 are pressed to pass through 22 two sides hole site of cabinet in outside cabinet 22, CAN box 24 is solid by thread gluing and band
Due to 22 bottom of cabinet, loop detector 25, which is bolted, is fixed on 22 bottom of cabinet, wherein two probes 254 pass through case
22 two sides hole site of body is in outside cabinet 22, and rotary switch 27 and 28 through hole of rocker switch are on case lid 21.
Therefore, detection system solves existing high-voltaghe compartment detection problem and provides a set of detection scheme, can detect high-voltaghe compartment
Can interior relay work normally, BMS controls whether CC and CP correctness in normal, BMS to relay, each connecting line in BMS
Whether road is connected technical problems such as (i.e. whether circuit connection are correct), solves the problems, such as that high-voltaghe compartment factory testing is difficult.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.Base of the invention
This thinking is: having involved in new-energy automobile high-voltaghe compartment factory testing system for being detected to relay in high-voltaghe compartment
Loop detection module, and other detection parts for being related in system: in the detection of CP signal and CC signal and BMS
The detection of portion's connection line belongs to the technical characteristic advanced optimized, these detection parts can be selected according to actual needs
The setting of selecting property.
Claims (10)
1. a kind of new-energy automobile high-voltaghe compartment factory testing system, which is characterized in that including detection case and host computer, the detection
Case is provided with for detecting the loop detection module that whether relay works normally in high-voltaghe compartment, the host computer have for
Relay issues the control signal output interface of corresponding control signal in high-voltaghe compartment, and host computer relay into high-voltaghe compartment issues phase
Signal should be controlled, is detected by loop detection module realization to whether corresponding relay works normally.
2. new-energy automobile high-voltaghe compartment factory testing system according to claim 1, which is characterized in that the control signal
Output interface, which exports, is connected with driving switch, and different relays corresponds the different stalls for having driving switch in high-voltaghe compartment,
The loop detection module is a detection route, and detection line road string is equipped with battery and standby signal output module, institute
The both ends for stating detection route are probe；Driving switch is switched to by any one relay when detecting the relay
On corresponding gear, the contact of the relay is linked into detection line road using probe, to form measure loop, host computer hair
Relay control signal is sent, the detection of relay is realized by the standby signal output module in measure loop.
3. new-energy automobile high-voltaghe compartment factory testing system according to claim 1, which is characterized in that the detection case is also
It is provided with square-wave signal transmitter, the square-wave signal transmitter has the square-wave signal for square-wave signal to be transferred to BMS
Coffret, the host computer have a communication interface for communicating with BMS, square-wave signal transmitter by square-wave signal export to
BMS, host computer detect the function of the sending CP signal of BMS by receiving the CP signal realization that BMS is issued.
4. new-energy automobile high-voltaghe compartment factory testing system according to claim 1, which is characterized in that the detection system
It further include for being BMS power supply and the adjustable power pack of voltage, the power pack is with for for each inside electrical connection BMS
The supply port of connection line.
5. new-energy automobile high-voltaghe compartment factory testing system according to claim 4, which is characterized in that the detection case is also
It is provided with voltage detection module, the voltage detection module is provided with detection probe, detects to each connection line in the inside BMS
When, be that corresponding connection line is powered using corresponding supply port, will test probe be placed in be correspondingly connected with the both ends of route with
The voltage for detecting corresponding connection line both ends realizes the detection whether each connection line is connected to by detection voltage.
6. new-energy automobile high-voltaghe compartment factory testing system according to claim 4, which is characterized in that in the detection case
Several control switches are provided with, each power supply line of power pack connects the supply port by corresponding control switch, leads to
Each control switch is crossed to realize to each connection line power supply control inside BMS.
7. new-energy automobile high-voltaghe compartment factory testing system according to claim 3, which is characterized in that the square-wave signal
Signal transmssion line road string between transmitter and the square-wave signal coffret is equipped with the first control switch.
8. new-energy automobile high-voltaghe compartment factory testing system according to claim 3, which is characterized in that the communication interface
In have for receive BMS sending CC signal CC signal receiving interface, host computer by analysis BMS issue CC signal realize
The BMS function of issuing CC signal is detected.
9. new-energy automobile high-voltaghe compartment factory testing system according to claim 8, which is characterized in that the CC signal connects
It receives string in the CC signal receiving circuit of interface connection and is equipped with the second control switch.
10. new-energy automobile high-voltaghe compartment factory testing system according to claim 1, which is characterized in that the detection case
Relevant interface with host computer for interacting with BMS constitutes multicore signal connector, the multicore signal connector be used for
The signal connector of high-voltaghe compartment realizes the interaction of detection system and high-voltaghe compartment to inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633662.6A CN109307838A (en) | 2017-07-28 | 2017-07-28 | A kind of new-energy automobile high-voltaghe compartment factory testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633662.6A CN109307838A (en) | 2017-07-28 | 2017-07-28 | A kind of new-energy automobile high-voltaghe compartment factory testing system |
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| Publication Number | Publication Date |
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| CN109307838A true CN109307838A (en) | 2019-02-05 |
Family
ID=65207642
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710633662.6A Pending CN109307838A (en) | 2017-07-28 | 2017-07-28 | A kind of new-energy automobile high-voltaghe compartment factory testing system |
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| CN110297135A (en) * | 2019-05-09 | 2019-10-01 | 武汉格罗夫氢能汽车有限公司 | A kind of new-energy automobile high voltage power distribution boxes detecting device |
| CN111077470A (en) * | 2019-12-26 | 2020-04-28 | 北汽福田汽车股份有限公司 | Power supply gear function testing system and method |
| CN113655378A (en) * | 2021-07-20 | 2021-11-16 | 湖州学院 | Method for detecting adhesion fault of new energy battery electric vehicle relay |
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