CN109861766A - A kind of function test system being related to radiofrequency signal and method - Google Patents
A kind of function test system being related to radiofrequency signal and method Download PDFInfo
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Abstract
The present invention relates to a kind of function test system for being related to radiofrequency signal and method, with solve the problems, such as in the prior art cannot effective orientation problem section in radio frequency testing.The function test system for being related to radiofrequency signal includes: connected radio frequency testing cabinet and automatically controlled test cabinet；Emission of radio frequency signals device；Rf signal reception device；Car body controller；Rf signal reception device receives less radio-frequency instruction, is sent to car body controller after being converted into line；For car body controller according to there is line, control targeted loads carry out function execution, and send loading functional to automatically controlled test cabinet and execute feedback signal；Automatically controlled test cabinet executes feedback signal according to the loading functional received, judges whether function executes exception to targeted loads；If abnormal, automatically controlled test cabinet sends detection signal to radio frequency testing cabinet；Radio frequency testing cabinet detects less radio-frequency instruction according to detection signal, and determining causes targeted loads function to execute whether abnormal reason is emission of radio frequency signals plant failure.
Description
Technical field
The present invention relates to auto Body Technology field, specifically a kind of function test system for being related to radiofrequency signal and side
Method.
Background technique
2018, automobile industry had started the first time negative growth since appearance 28 years, and automobile market starts to purchase from popularization
Vehicle demand turns to type purchase vehicle demand of changing trains, and the quality of automobile product, which must have, is obviously improved the need of changing trains that can just win consumer
It asks, the exploitation and test to automobile product propose great challenge.The automatization test system of automobile industry is all single at present
Solely for automatically controlled test cabinet or individually for RF system, it is fine that freestanding test macro can test level in components
Support product test, but the automatically controlled amount of parts on current automobile is more and more, mutually melts with new technology between each other
Conjunction is also increasingly closer, and free-standing automatization test system has been unable to satisfy the development trend of more technologies and multi-field fusion, nothing
The significantly more efficient discovery new problem of method, can not timely and effectively be segmented investigation and orientation problem after user goes wrong.
Summary of the invention
The purpose of the present invention is to provide a kind of function test system for being related to radiofrequency signal and methods, to solve existing skill
The problem of investigation and orientation problem section cannot be effectively segmented in art in radio frequency testing.
The technical solution of the present invention is as follows:
It is related to the function test system of radiofrequency signal the present invention provides a kind of, comprising:
The radio frequency testing cabinet and automatically controlled test cabinet being connected by signal wire；
For launching outward the emission of radio frequency signals device of less radio-frequency instruction；
For receiving the rf signal reception device of the less radio-frequency instruction；
The car body controller being connect with the automatically controlled test cabinet and the rf signal reception device by signal wire；
The rf signal reception device receives the less radio-frequency instruction, is sent out after being converted into line by signal wire
It send to the car body controller；
The car body controller has line according to what the rf signal reception device received, and control targeted loads carry out function
It can execute, and send loading functional to the automatically controlled test cabinet and execute feedback signal；
The automatically controlled test cabinet executes feedback signal according to the loading functional that receives, judge targeted loads whether function
Execute exception；If abnormal, the automatically controlled test cabinet sends detection signal to the radio frequency testing cabinet；
The radio frequency testing cabinet detects less radio-frequency instruction, determines described in causing according to the detection signal
Targeted loads function executes whether abnormal reason is the emission of radio frequency signals plant failure.
Preferably, the test macro further include:
It is separately connected the host computer of the automatically controlled test cabinet, the radio frequency testing cabinet and the rf signal reception device；
The host computer is used to determine that causing targeted loads function to execute abnormal reason is not in the emission of radio frequency signals device
When the emission of radio frequency signals plant failure, Xiang Suoshu rf signal reception device sends less radio-frequency dummy instruction, to repeat
Determining causes targeted loads function to execute whether abnormal reason is emission of radio frequency signals plant failure.
Preferably, the test macro further include:
Radio shielding case, the emission of radio frequency signals device are placed in the radio shielding case；
The radio frequency testing cabinet receives the less radio-frequency that the emission of radio frequency signals device is sent out by radio-frequency antenna and refers to
It enables, the radio-frequency antenna connects the radio frequency testing cabinet by rigid line, and the radio frequency antenna apparatus is in the radio shielding
In case.
Preferably, the radio frequency testing cabinet includes:
PXIE cabinet；
First programmable power supply board of the device in the PXIE cabinet, PXIE Control card, radio-frequency measurement board, radio frequency are opened
Close board, ups power board；
It is the PXIE after the electric current of the first programmable power supply board output is converted by the ups power board
Control card, the radio-frequency measurement board and RF switch board power supply；
The RF switch board is used to issue enable signal to the PXIE Control card, opens the PXIE Control card
Or close less radio-frequency command detection function；
The PXIE Control card controls the radio frequency when receiving the detection signal that the automatically controlled test cabinet is sent
Measurement plate card acquires the less radio-frequency instruction by the radio-frequency antenna, and is detected less radio-frequency instruction with true
Cause the targeted loads function to execute whether abnormal reason is the emission of radio frequency signals plant failure surely.
Preferably, the automatically controlled test cabinet includes:
Sequentially connected second programmable power supply board, power controling box and power supply media board；
The ECU interface box being connect with the car body controller；
The load measure board being separately connected with the ECU interface box and the PXIE Control card；
The communication bus board being connected between the rf signal reception device and the car body controller, the communication bus
Board connects the load measure board；
The second programmable power supply board exports electric current under the control of the power controling box, and passes through the power supply media board
It powers for the ECU interface box, the load measure board；
The load measuring plate card receives the loading functional that the car body controller is sent by the ECU interface box and executes feedback
Signal, and judge whether function executes exception to targeted loads；If abnormal, detection signal is sent to the PXIE Control card；
The communication bus board acquires the upload of the signal wire between the rf signal reception device and the car body controller
Defeated has line, and has line to be transmitted to the load measure board for described, makes the load measure board according to institute
Stating line and further determining that causes the loading functional to execute whether abnormal reason is the rf signal reception device
Failure.
According to another aspect of the present invention, it is related to the function test method of radiofrequency signal the present invention also provides a kind of, answers
It is related to the function test system of radiofrequency signal for above-mentioned, which comprises
Step 301, rf signal reception device receives the less radio-frequency instruction that emission of radio frequency signals device launches outward, by its turn
It has been changed to after line and the car body controller is sent to by signal wire；
Step 302, car body controller is instructed according to the less radio-frequency, and control targeted loads carry out function execution, and to automatically controlled
Test cabinet feedback load function executes feedback signal；
Step 303, automatically controlled test cabinet executes feedback signal according to the loading functional, judges whether function executes targeted loads
It is abnormal；If abnormal, emit detection signal to radio frequency testing cabinet；
Step 304, the radio frequency testing cabinet detects less radio-frequency instruction, determines according to the detection signal
The targeted loads function is caused to execute whether abnormal reason is the emission of radio frequency signals plant failure.
Preferably, if the reason that the radio frequency testing cabinet, which is determined, causes the targeted loads function to execute exception is not
The emission of radio frequency signals plant failure, the method also includes:
Step 305, less radio-frequency dummy instruction is sent to the rf signal reception device by host computer, and the radio frequency is believed
The less radio-frequency analog signal is forwarded to car body controller by number reception device；
Step 301 is repeated to step 304, to repeat to determine cause the targeted loads function execute abnormal reason whether be
The emission of radio frequency signals plant failure.
Preferably, if the reason that the radio frequency testing cabinet, which determines, causes the targeted loads function to execute exception is not institute
Emission of radio frequency signals plant failure is stated, the method also includes:
The radio frequency testing cabinet sends the normal feedback signal of testing result to the automatically controlled test cabinet；
The automatically controlled test cabinet acquires the rf signal reception device and is transmitted to the vehicle body control according to the feedback signal
Device processed has line；
The automatically controlled test cabinet have according to line determine cause targeted loads function execute abnormal reason whether be
The rf signal reception plant failure.
Preferably, targeted loads function is caused to execute abnormal reason as the radio frequency if the automatically controlled test cabinet determines
Sender unit failure, the method also includes:
Step 309, less radio-frequency dummy instruction, the radiofrequency signal are sent to the rf signal reception device by host computer
Reception device is forwarded to car body controller after the less radio-frequency dummy instruction has been converted to line；
Step 310, there is line described in the automatically controlled test cabinet acquisition, and determining causes targeted loads function to execute exception
Whether reason includes the rf signal reception plant failure.
The invention has the benefit that
When carrying out radio frequency testing, radio frequency testing function is incorporated on the basis of automatically controlled test cabinet, when discovery loads not just
When really executing the instruction of emission of radio frequency signals apparatus function, check whether it is that less radio-frequency instruction is incorrect by radio frequency testing cabinet
Cause, the failure of emission of radio frequency signals device can be excluded；Meanwhile whether the failure of emission of radio frequency signals device has been determined
Afterwards, can also further confirm as signal receiving end rf signal reception device whether failure, reach accurate determination and lead
The effect of the problem of causing load to be not performing properly function section.
Detailed description of the invention
Fig. 1 is the functional block diagram of test macro of the invention；
Fig. 2 is the test flow chart of test macro of the invention when testing；
Fig. 3 is the test flow chart of test macro of the invention when testing；
Fig. 4 is the concrete principle structure chart of the automatically controlled test cabinet and radio frequency testing cabinet in the embodiment of the present invention.
Specific embodiment
Referring to Fig.1, it is related to the function test system of radiofrequency signal the present invention provides a kind of, including is connected by signal wire
Radio frequency testing cabinet 1 and automatically controlled test cabinet 2；For launching outward the emission of radio frequency signals device 3 of less radio-frequency instruction；With
In the rf signal reception device 4 for receiving the less radio-frequency instruction；Connected with the rf signal reception device 4 by signal wire
The car body controller 5 connect, and the car body controller 5 connects the automatically controlled test cabinet 2 by signal wire.
Wherein, in order to realize test, the rf signal reception device 4 receives the less radio-frequency instruction, is converted
The car body controller 5 is sent to by signal wire after line to have；The car body controller 5 has line according to described,
It controls targeted loads and carries out function execution, and send loading functional to the automatically controlled test cabinet 2 and execute feedback signal；The electricity
Control test cabinet 2 executes feedback signal according to the loading functional received, judges whether function executes exception to targeted loads；
If abnormal, the automatically controlled test cabinet 2 sends detection signal to the radio frequency testing cabinet 1；1 basis of radio frequency testing cabinet
The detection signal detects less radio-frequency instruction, and determining causes the targeted loads function to execute abnormal original
Because whether being 3 failure of emission of radio frequency signals device.
In above scheme, car body controller 5 receive rf signal reception device 4 forwarding have line after, first
There is line to parse this, determines targeted loads.During controlling targeted loads progress function execution, it can be
Signal is sent to the targeted loads with car body controller 5 with entity connection relationship, targeted loads is made to carry out actual functional capability execution,
It is completed after function executes in targeted loads, targeted loads are to 5 feedback signal of car body controller, and car body controller 5 is according to receiving
Feedback signal send loading functional to the automatically controlled test cabinet 2 and execute feedback signal.Alternatively, car body controller 5 is in control mesh
During mark load carries out function execution, by the way that corresponding targeted loads function execution feedback signal to be set to effectively, carry out table
Show that targeted loads actually execute corresponding function, and the car body controller 5 similarly sends load function to the automatically controlled test cabinet 2
Feedback signal can be executed.
The less radio-frequency instruction that rf signal reception device 4 receives can be used as the entity emitter of signal transmitting terminal
(i.e. emission of radio frequency signals device 3) is launched.The emission of radio frequency signals device 3 is mainly capable of emitting radio frequency signal on vehicle
Entity apparatus, for example, the devices such as remote-control key or tyre pressure sensor.At this moment, in order to improve to emission of radio frequency signals device 3
Anti-interference ability, the test macro further include: radio shielding case 7, the emission of radio frequency signals device 3 are placed in the radio frequency
In shielded box 7.Meanwhile also device is in the radio shielding case 7 for the radio-frequency antenna 13 of connection radio frequency testing cabinet 1, the radio frequency day
Line 13 connects the radio frequency testing cabinet 1 by rigid line.
The system further includes having: being separately connected the automatically controlled test cabinet 2, the radio frequency testing cabinet 1 and the radio frequency
The host computer 6 of signal receiving device 4；The host computer 6 is used to determine in the emission of radio frequency signals device 3 to cause target negative
When the reason for carrying function execution exception is not 3 failure of emission of radio frequency signals device, Xiang Suoshu rf signal reception device 4 is sent out
Less radio-frequency dummy instruction is sent, causes targeted loads function to execute whether abnormal reason is emission of radio frequency signals to repeat to determine
3 failure of device.
Rf signal reception device 4 carries out signal resolution after receiving less radio-frequency instruction, obtains and needs automatically controlled test
The function command that cabinet 2 executes, and judge whether the corresponding function of the function command is rf signal reception device 4 and radio frequency letter
Function predetermined between number emitter 3, if so, the instruction, which is then converted to wired form, is sent to car body controller
5。
Rf signal reception device 4 is instructed with the wire radio of car body controller 5 and is connected by LIN bus, therefore, for
For rf signal reception device 4, the instruction is sent to car body controller 5 by way of LIN message；Car body controller 5
After receiving message, analytic message, and instructed and compared by the message in LIN agreement, determine that rf signal reception device 4 is sent
To the specific instruction of car body controller 5.
Car body controller 5 carries out corresponding targeted loads control according to rf signal reception device 4 after completing instruction parsing
System operation, such as door lock unlock, locking, boot release, closings, keyless entry or without key starting etc. operate.
Alternatively, controlling corresponding targeted loads function executes home position signal.After completing to load control operation or home position signal, vehicle body
Controller 5 sends message to automatically controlled test cabinet 2 by LIN bus.
After automatically controlled test cabinet 2 receives the information of the feedback of car body controller 5, according to automatically controlled test cabinet 2 and vehicle body control
The message information for the LIN protocol analysis car body controller 5 built in advance between device 5 processed, and the execution final to car body controller 5
As a result judged, thus judge whether targeted loads correctly execute the function that less radio-frequency instruction requires.Specifically, vehicle body
The instruction that controller 5 is sent in automatically controlled test cabinet 2 is the control operation for completing to load particular demands or unfinished pair
The control operation of particular demands load.Automatically controlled test cabinet 2 carries out packet parsing according to agreement, can be obtained car body controller 5
Final implementing result.If automatically controlled test cabinet 2 determines that car body controller 5 correctly executes the control loaded to particular demands
The test to automatically controlled test cabinet 2 and radio frequency testing cabinet 1 is then completed in operation.For example, the emission of radio frequency signals device 3 is specific
For remote-control key, remote-control key launches outward out the less radio-frequency instruction for carrying car door unlock instruction, and car body controller 5 is being held
After row load control operation, if car door correctly unlocks, car body controller 5 sets 1 for the flag bit in message and is sent to
Automatically controlled test cabinet 2；Conversely, car body controller 5 sets 0 for the flag bit in message and is sent to automatically controlled test cabinet 2.
If automatically controlled test cabinet 2 determines that car body controller 5 is not performing properly the control operation of the load to demand, electricity
Control test cabinet 2 informs that radio frequency testing cabinet 1 enters in such a way that network interface data is transmitted and acquires in real time and parse less radio-frequency
Instruction, in particular to radio frequency testing cabinet 1 receive less radio-frequency by radio-frequency antenna 13 and instruct, and parse to the signal,
To obtain the appellative function in the instruction carried in less radio-frequency instruction, and then judge to lead to whether the reason of the exception is wireless
The instruction errors carried in radio frequency command.Specifically, causing targeted loads to execute abnormal reason, there are following several reasons
At least one of: 1, in less radio-frequency that rf signal reception device 4 receive entrained instruction errors；2, if it exists with
Car body controller 5 has the load of entity connection, then controls the control issued when targeted loads execute function by car body controller 5
Instruction errors processed, and/or, targeted loads are not performing properly when executing function；There is entity with car body controller 5 if it does not exist
The case where load of connection, then for car body controller 5 when the corresponding load of set executes function signal mistake.The radio frequency testing
The process that cabinet 1 is detected and judged can effectively exclude to cause targeted loads function to execute abnormal reason with positioning
Whether emission of radio frequency signals device 3 failure is.For example, emission of radio frequency signals device 3 is remote-control key, remote-control key is to outgoing
The less radio-frequency instruction for carrying car door unlock instruction is projected, if radio frequency testing cabinet 1 parses the finger that remote-control key is launched
Appellative function in order is car door unlock.It then can determine that the reason of causing car door not unlock correctly does not lie in remote-control key, i.e.,
It can exclude remote-control key failure.
Meanwhile in this application, acquisition and parsing result can be stored in radio frequency testing cabinet 1 by radio frequency testing cabinet 1
Ground, if the final implementing result of car body controller 5 and the expected results actually triggered are inconsistent, automatically controlled test cabinet 2 can lead to
The mode for crossing network interface data transmission tells radio frequency testing cabinet 1 that the result after parsing is passed to automatically controlled test cabinet 5, and presents
To user, it to be used for orientation problem.
For above-mentioned radio frequency testing cabinet 1 comprising have reception and sending module 12 and to receive and sending
The first power module 11 that module 12 is powered, the reception and sending module 12 are used to receive the signal of automatically controlled test cabinet 2,
And the less radio-frequency instruction that emission of radio frequency signals device 3 emits is received by radio-frequency antenna 13, less radio-frequency instruction is examined
It surveys, causes targeted loads function to execute whether abnormal reason is 3 failure of emission of radio frequency signals device to determine.In corresponding diagram 4
Device physical components for, which includes: PXIE cabinet 102；Device is in the PXIE cabinet 102
The first programmable power supply board 101, PXIE Control card 103, for acquire and analyze less radio-frequency instruction radio-frequency measurement
Board 104 delivers the ups power board of stream for carrying out direct current for receiving the RF switch board 105 of man-machine control signal
106, the radio-frequency measurement board 104 and RF switch board 105 are all connected with the PXIE Control card 103.Described first is programmable
After the electric current that power supply media board 101 exports carries out DC-AC conversion by the ups power board 106, controlled for the PXIE
Board 103, the radio-frequency measurement board 104 and the RF switch board 105 power supply；The RF switch board 105 is used for
The touching signals of user are received, and issue enable signal to the PXIE Control card 103, make the PXIE Control card 103
Open or close less radio-frequency command detection function；The PXIE Control card 103 is receiving the hair of automatically controlled test cabinet 2
When the detection signal sent, the radio-frequency measurement board 104 is controlled by the radio-frequency antenna 13 and acquires the less radio-frequency
Instruction, and less radio-frequency instruction is detected to determine and lead to whether the targeted loads function executes abnormal reason
For 3 failure of emission of radio frequency signals device.Wherein, the first programmable power supply board 101 and ups power board 106 collectively form
One power module 11, remaining board then constitute reception and sending module 12.For the system, the radio-frequency measurement board
104 need to connect with emission of radio frequency signals device 3.
For automatically controlled test cabinet 2 comprising have input and output control module 22 and controlled for input and output
The second source 21 that molding block 22 is powered, the input and output control module 22 be used for receive with sending module 12, on
Position machine 6 and car body controller 5 carry out signal interaction.For the physical components of device in corresponding diagram 4, the automatically controlled test cabinet 2
It include: sequentially connected second programmable power supply board 201, power controling box 202 and power supply media board 204；With the vehicle body control
The ECU interface box 203 that device 5 processed connects；The load being separately connected with the ECU interface box 203 and the PXIE Control card 103
Measure board 205；The communication bus board being connected between the rf signal reception device 4 and the car body controller 5
206, the communication bus board 206 connects the load measure board 205；The second programmable power supply board 201 is in institute
It states and exports electric current under the control of power controling box 202, and be the ECU interface box 203, described by the power supply media board 204
Load measure board 205 is powered；The load measure board 205 receives the car body controller by the ECU interface box 203
5 loading functionals sent execute feedback signal, and judge whether function executes exception to targeted loads；If abnormal, Xiang Suoshu
PXIE Control card 103 sends detection signal；The communication bus board 206 acquires the rf signal reception device 4 and institute
The line that has transmitted on the signal wire between car body controller 5 is stated, and has line to be transmitted to the load measure for described
Board 206 makes the load measure board 206 have line to further determine that cause the loading functional to execute different according to described
Whether normal reason is 4 failure of rf signal reception device.Second programmable power supply board 201,202 and of power controling box
Power supply media board 204 constitutes above-mentioned second power supply module 21, and remaining board constitutes above-mentioned input and output control module 22.
Wherein, the second programmable power supply board 201 has multiple current output channels, and it is logical which controls by the power controling box 202
Road is that power supply media board 204 is powered, and power supply media board 204 carries out DC-AC conversion to the electric current received and exports again.
Specifically, it as shown in figure 4, in the present embodiment, is carried out so that the emission of radio frequency signals device 3 is remote-control key as an example
For example, the test macro is mainly comprised the steps that in test
Step 401, user manipulates automatically controlled test cabinet 2 in host computer 6 and is remotely controlled function of key examination；
Step 402, remote-control key launches outward the less radio-frequency instruction of car door unlock；
Step 403, rf signal reception device 4 receives less radio-frequency instruction, and parses, and judges to carry in less radio-frequency instruction
Instruction whether be instruction predetermined, if so, carry out signal processing, and by processing obtain there is line to be sent to vehicle
Body controller 5；Conversely, then terminating process；
Step 404, car body controller 5 receives having line and parsing for rf signal reception device 4, and corresponding door lock is unlocked
Signal is set to effectively；After completing set, car body controller 5 sends message signals to automatically controlled test cabinet 2；
Step 405, automatically controlled test cabinet 2 parses the message that car body controller 5 is sent, and whether determines car door according to message flag position
Correct unlock；If incorrect unlock, sends message signals to radio frequency testing cabinet 1；Conversely, then terminating process；
Step 406, radio frequency testing cabinet 1 receives and parses through the message that automatically controlled test cabinet 2 is sent, and adopts according to the instruction in message
Collect and parse the less radio-frequency instruction that remote-control key is launched, judges whether less radio-frequency instruction is that correct car door unlock refers to
Enable, then for, then enter step 407, to automatically controlled test cabinet 2 feedback the non-failure of emission of radio frequency signals device 3 information (i.e. to electricity
Control test cabinet 2 and send the normal feedback signal of testing result), enter back into step 409；Conversely, 408 are then entered step, to electricity
The information that test cabinet 2 feeds back 3 failure of emission of radio frequency signals device is controlled, enters step 412；
Step 409, automatically controlled test cabinet 2 is in the letter for receiving the feedback non-failure of emission of radio frequency signals device 3 of radio frequency testing cabinet 1
After breath, then the failure of emission of radio frequency signals device 3 can be excluded；At this point, automatically controlled test cabinet 3 is adopted by communication bus board 206
What collection rf signal reception device 4 was sent to car body controller 5 has whether line is correctly to instruct, if not then entering
Step 411,4 failure of rf signal reception device is determined；Conversely, then entering step 410, radio frequency letter can be further excluded
The failure of number reception device 4；
Step 412, the remote-control key for removing the entity establishes the connection of host computer 6 and rf signal reception device 4；
Step 413, the car door launched by host computer 6 to the true remote-control key of 4 launching simulation of rf signal reception device
Unlocking signal, meanwhile, the analog signal which sends has been converted to line by rf signal reception device 4, and is passed through
LIN bus is sent to car body controller, then, enters step 409, whether further to confirm rf signal reception device 4
Failure.
Above-mentioned process can be determined quickly, as the emission of radio frequency signals device 3 at emission of radio frequency signals end and as radio frequency
The rf signal reception device 4 of signal receiving end whether failure.
In order to improve the detection accuracy to emission of radio frequency signals device 3, increase between the step 407 and step 409 in Fig. 2
It is the step of having added one to be used for duplicate acknowledgment emission of radio frequency signals 3 failure of device, specific as shown in figure 3, in the step 407 and step
A step 414, the particular content of the step 414 are increased between rapid 409 are as follows: the remote-control key of the entity is removed, in foundation
Position machine 6 and rf signal reception device 4 and connect, pass through on host computer 6 rf signal reception device 4 send simulate car door solution
The less radio-frequency of lock signal instructs, and then, repeats step 403 to step 406, not with duplicate acknowledgment emission of radio frequency signals device 3
Failure.The process that Fig. 3 is provided, for Fig. 2, the more accurate radiofrequency signal eliminated as emission of radio frequency signals end
The failure of emitter 3.
Above system provided in this embodiment incorporates on the basis of automatically controlled test cabinet 2 when carrying out radio frequency testing
Radio frequency testing function passes through radio frequency testing cabinet when discovery load is not performing properly emission of radio frequency signals 3 function command of device
1 check whether be less radio-frequency instruction it is incorrect cause, the failure of emission of radio frequency signals device 3 can be excluded；Meanwhile in determination
After whether the failure of emission of radio frequency signals device 3, it can also further confirm that the radiofrequency signal as signal receiving end connects
Receiving apparatus 4 whether failure, achieving the effect that accurately to determine leads to load the problem of being not performing properly function section.Meanwhile two surveys
The fusion of test-run a machine cabinet carries out triggering by a upper computer software and result judges, realizes polyphyly in simple and efficient manner
The fusion for more technologies of uniting is tested.
In the present embodiment, additionally provide it is a kind of the function test method of radiofrequency signal is related to based on above-mentioned, carrying out
Before test, it is desirable that the test macro has built completion, correctly connects between all parts, this method comprises the following steps:
Step 301, rf signal reception device 4 receives the less radio-frequency instruction that emission of radio frequency signals device 3 launches outward, by it
It has been converted to and the car body controller 5 is sent to by signal wire after line.
Wherein, less radio-frequency instruction is issued by emission of radio frequency signals device 3 or host computer 6.Emission of radio frequency signals device 3 is pre-
Interface protocol first is established with rf signal reception device 4, alternatively, host computer 6 establishes interface with rf signal reception device 4 in advance
Agreement, arranges which instruction entrained in less radio-frequency instruction sent out has.Rf signal reception device 4 is receiving
After less radio-frequency instruction, it is parsed, and judges whether the instruction carried in less radio-frequency instruction belongs to the finger prestored
One of enable.If so, converting to it, and there will be line to be transmitted to the signal by LIN bus after conversion
Car body controller 5.
Step 302, car body controller 5 has line according to described, and control targeted loads carry out function execution, and to automatically controlled
2 feedback load function of test cabinet executes feedback signal.
Car body controller 5 controls signal after receiving less radio-frequency instruction, by sending, and makes to connect with it with entity
The targeted loads of relationship carry out function execution；Alternatively, by the execution signal progress set of targeted loads function is represented, to indicate
Function execution is completed in targeted loads.Then, car body controller 5 is negative to automatically controlled 2 feedback target of test cabinet by LIN message
Carry the feedback signal that function execution is completed.
Step 303, automatically controlled test cabinet 2 according to the loading functional execute feedback signal, judge targeted loads whether function
Exception can be executed；If abnormal, emit detection signal to radio frequency testing cabinet 1.
Automatically controlled test cabinet 2 executes the message flag position in feedback signal according to loading functional, judges that the targeted loads are
No function executes exception.
Step 304, the radio frequency testing cabinet 1 detects less radio-frequency instruction according to the detection signal,
Determining causes the targeted loads function to execute whether abnormal reason is 3 failure of emission of radio frequency signals device.
Specifically, radio frequency testing cabinet 1 is instructed according to the less radio-frequency, judge whether to be carried in less radio-frequency instruction
Instruction errors caused by the targeted loads be not performing properly function.If it is determined that the instruction carried in less radio-frequency instruction is just
Really, then the radiofrequency signal mistake that emission of radio frequency signals device 1 is launched can be excluded.
If less radio-frequency instructs the radio frequency testing cabinet 1 to determine that the targeted loads function is caused to execute abnormal original
Because not being 3 failure of emission of radio frequency signals device, the method also includes:
Step 305, less radio-frequency dummy instruction, the radio frequency letter are sent to the rf signal reception device 4 by host computer 6
Number reception device 4 is forwarded to car body controller 5 after the less radio-frequency dummy instruction has been converted to line；,
Step 301 is repeated to step 304, to repeat to determine cause the targeted loads function execute abnormal reason whether be
3 failure of emission of radio frequency signals device.
The setting purpose of the step 305 is, repeatedly confirm the emission of radio frequency signals device 3 whether failure, improve inspection
Survey precision.
Further, the targeted loads function is caused to execute abnormal reason not if the radio frequency testing cabinet 1 determines
For 3 failure of emission of radio frequency signals device, the method also includes:
Step 306, the radio frequency testing cabinet 1 sends the normal feedback signal of testing result to the automatically controlled test cabinet 2；
Step 307, the automatically controlled test cabinet 2 acquires the rf signal reception device 4 and is transmitted to according to the feedback signal
The car body controller 5 has line；
Step 308, the automatically controlled test cabinet 2 has line to determine the original for causing targeted loads function to execute exception according to described
Because whether being 4 failure of rf signal reception device.
Specifically, by message flag position the correcting errors come decision instruction transmitted in LIN bus, there is line wrong
Accidentally, 4 failure of rf signal reception device is determined；There is line correct, determines the non-failure of rf signal reception device 4.If according to
Step 308 determines that the non-failure of rf signal reception device 4 then eliminates the emission of radio frequency signals dress as signal sending end
3 failure and the failure of the rf signal reception device 4 as signal receiving end are set, leads to target it is possible to further determination
It is wrong that the reason of load is not performing properly function is that the car body controller 5 and targeted loads itself as control terminal execute function
Accidentally.
Targeted loads function is caused to execute abnormal reason as radiofrequency signal hair if the automatically controlled test cabinet 2 determines
3 failure of injection device, the method also includes:
Step 309, less radio-frequency dummy instruction, the radio frequency letter are sent to the rf signal reception device 4 by host computer 6
Number reception device 4 is forwarded to car body controller 5 after the less radio-frequency dummy instruction has been converted to line；
Step 310, the automatically controlled test cabinet 2 acquire it is described have line, and determination causes targeted loads function to execute exception
The reason of whether include 4 failure of rf signal reception device.
In this method, realize to the emission of radio frequency signals device 3 as signal transmitting terminal and as signal receiving end
The failure of rf signal reception device 4 determines,, can be with quick lock in failure problems according to this method during radio frequency testing
Section.
Claims (9)
1. a kind of be related to the function test system of radiofrequency signal characterized by comprising
The radio frequency testing cabinet (1) and automatically controlled test cabinet (2) being connected by signal wire；
For launching outward the emission of radio frequency signals device (3) of less radio-frequency instruction；
For receiving the rf signal reception device (4) of the less radio-frequency instruction；
The car body controller being connect with the automatically controlled test cabinet (2) and the rf signal reception device (4) by signal wire
(5)；
The rf signal reception device (4) receives the less radio-frequency instruction, passes through signal after being converted into line
Line is sent to the car body controller (5)；
The car body controller (5) has line according to, and control targeted loads carry out function execution, and to the automatically controlled survey
Test-run a machine cabinet (2) sends loading functional and executes feedback signal；
The automatically controlled test cabinet (2) executes feedback signal according to the loading functional received, whether judges targeted loads
Function executes exception；If abnormal, automatically controlled test cabinet (2) the Xiang Suoshu radio frequency testing cabinet (1) sends detection signal；
The radio frequency testing cabinet (1) is detected less radio-frequency instruction, determination leads to institute according to the detection signal
It states targeted loads function and executes whether abnormal reason is emission of radio frequency signals device (3) failure.
2. test macro according to claim 1, which is characterized in that the test macro further include:
It is separately connected the automatically controlled test cabinet (2), the radio frequency testing cabinet (1) and the rf signal reception device (4)
Host computer (6)；
The host computer (6) is in the emission of radio frequency signals device (3) determining that targeted loads function is caused to execute exception
The reason of when not being emission of radio frequency signals device (3) failure, Xiang Suoshu rf signal reception device (4) sends less radio-frequency
Dummy instruction causes targeted loads function to execute whether abnormal reason is emission of radio frequency signals device (3) event to repeat to determine
Barrier.
3. test macro according to claim 2, which is characterized in that the test macro further include:
Radio shielding case (7), the emission of radio frequency signals device (3) are placed in the radio shielding case (7)；
The radio frequency testing cabinet (1) receives what the emission of radio frequency signals device (3) sent out by radio-frequency antenna (13)
Less radio-frequency instruction, the radio-frequency antenna (13) connect the radio frequency testing cabinet (1), and the radio-frequency antenna by rigid line
(13) it is installed in the radio shielding case (7).
4. test macro according to claim 3, which is characterized in that the radio frequency testing cabinet (1) includes:
PXIE cabinet (102)；
First programmable power supply board (101) of the device in the PXIE cabinet (102), PXIE Control card (103), radio frequency
It measures board (104), RF switch board (105), ups power board (106)；
After the electric current of first programmable power supply board (101) output is converted by the ups power board (106),
For the PXIE Control card (103), the radio-frequency measurement board (104) and the RF switch board (105) power supply；
The RF switch board (105) is used to issue enable signal to the PXIE Control card (103), controls the PXIE
Making sheet card (103) opens or closes less radio-frequency command detection function；
The PXIE Control card (103) is when receiving the detection signal that the automatically controlled test cabinet (2) sends, control
The radio-frequency measurement board (104) acquires the less radio-frequency instruction by the radio-frequency antenna (13), and wirelessly penetrates to described
Frequency instruction is detected to determine and the targeted loads function is caused to execute whether abnormal reason is the emission of radio frequency signals
Device (3) failure.
5. test macro according to claim 4, which is characterized in that the automatically controlled test cabinet (2) includes:
Sequentially connected second programmable power supply board (201), power controling box (202) and power supply media board (204)；
The ECU interface box (203) being connect with the car body controller (5)；
The load measure board (205) being separately connected with the ECU interface box (203) and the PXIE Control card (103)；
The communication bus board (206) being connected between the rf signal reception device (4) and the car body controller (5),
The communication bus board (206) connects the load measure board (205)；
The second programmable power supply board (201) exports electric current under the control of the power controling box (202), and passes through institute
Stating power supply media board (204) is the ECU interface box (203), the load measure board (205) power supply；
The load measure board (205) receives the negative of car body controller (5) transmission by the ECU interface box (203)
It carries function and executes feedback signal, and judge whether function executes exception to targeted loads；If abnormal, to the PXIE Control card
(103) detection signal is sent；
The communication bus board (206) acquires between the rf signal reception device (4) and the car body controller (5)
What is transmitted on signal wire has line, and has line to be transmitted to the load measure board (206) for described, makes the load
Measurement board (206) has line to further determine that according to causes the loading functional to execute whether abnormal reason is institute
State rf signal reception device (4) failure.
6. a kind of be related to the function test method of radiofrequency signal, it is related to the function of radiofrequency signal applied to described in claim 5
Test macro, which is characterized in that the described method includes:
Step 301, rf signal reception device (4) receives the less radio-frequency instruction that emission of radio frequency signals device (3) launch outward,
It has been converted into after line and the car body controller (5) is sent to by signal wire；
Step 302, car body controller (5) has line according to, and control targeted loads carry out function execution, and to automatically controlled survey
Test-run a machine cabinet (2) feedback load function executes feedback signal；
Step 303, automatically controlled test cabinet (2) according to the loading functional execute feedback signal, judge targeted loads whether function
Execute exception；If abnormal, emit detection signal to radio frequency testing cabinet (1)；
Step 304, the radio frequency testing cabinet (1) is detected less radio-frequency instruction, really according to the detection signal
Cause the targeted loads function to execute whether abnormal reason is emission of radio frequency signals device (3) failure surely.
7. test method according to claim 6, which is characterized in that if the radio frequency testing cabinet (1) is determined to cause
It is not emission of radio frequency signals device (3) failure that the targeted loads function, which executes abnormal reason, the method also includes:
Step 305, less radio-frequency dummy instruction is sent by host computer (6) Xiang Suoshu rf signal reception device (4), it is described to penetrate
Frequency signal receiving device (4) is forwarded to car body controller (5) after the less radio-frequency dummy instruction has been converted to line；
Step 301 is repeated to step 304, to repeat to determine cause the targeted loads function execute abnormal reason whether be
Emission of radio frequency signals device (3) failure.
8. method according to claim 6 or 7, which is characterized in that if the radio frequency testing cabinet (1) determine cause it is described
It is not emission of radio frequency signals device (3) failure that targeted loads function, which executes abnormal reason, the method also includes:
Step 306, the radio frequency testing cabinet (1) sends the normal feedback letter of testing result to the automatically controlled test cabinet (2)
Number；
Step 307, the automatically controlled test cabinet (2) acquires the rf signal reception device (4) and turns according to the feedback signal
That issues the car body controller (5) has line；
Step 308, the automatically controlled test cabinet (2) has line to determine according to causes targeted loads function to execute exception
Whether reason is rf signal reception device (4) failure.
9. test method according to claim 8, which is characterized in that if the automatically controlled test cabinet (2) determination leads to mesh
Marking loading functional and executing abnormal reason is emission of radio frequency signals device (3) failure, the method also includes:
Step 309, less radio-frequency dummy instruction is sent by host computer (6) Xiang Suoshu rf signal reception device (4), it is described to penetrate
Frequency signal receiving device (4) is forwarded to car body controller (5) after the less radio-frequency dummy instruction has been converted to line；
Step 310, there is line described in automatically controlled test cabinet (2) acquisition, and determining causes the execution of targeted loads function different
Whether normal reason includes rf signal reception device (4) failure.
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