CN109725300A - A kind of test car and multimachine test device - Google Patents
A kind of test car and multimachine test device Download PDFInfo
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- CN109725300A CN109725300A CN201711053843.8A CN201711053843A CN109725300A CN 109725300 A CN109725300 A CN 109725300A CN 201711053843 A CN201711053843 A CN 201711053843A CN 109725300 A CN109725300 A CN 109725300A
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- 238000012360 testing method Methods 0.000 title claims abstract description 197
- 238000005183 dynamical system Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 5
- 238000012795 verification Methods 0.000 abstract description 14
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
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Abstract
This application involves laser radar apparatus technical field more particularly to a kind of test cars, multimachine test device.A kind of multimachine test device, it include: central control system, the drive system being connected with central control system and host computer, the drive system connects dynamical system, the central control system is also connected with position limiting structure and multiple infrared distance measuring devices to be tested, and multiple infrared distance measuring devices to be tested successively trigger test by setting test interval under the control of central control system.Multiple infrared distance measuring devices to be tested are successively triggered the setting of test under the control of central control system by setting test interval, so that test device once tests more infrared distance measuring devices；Integrated test, position verification and the calibration of infrared distance measuring device to be measured, substantially increase the efficiency of test, test data is more accurate.
Description
Technical field
This application involves laser radar apparatus technical field more particularly to a kind of test car and multimachine test devices.
Background technique
Optical scanner range unit is a kind of using collimated light beam, by the flight time (Time of Flight, referred to as
TOF), the equipment that the methods of triangulation carries out non-contact scanning ranging.Currently, common optical scanner range unit packet
It includes: optical transmitter module, optical lens, the chip for receiving and processing signal.Optical transmitter module issues light beam, and optical lens is located at light
In the optical path of transmitting module, by the beam emissions of collimation to testee surface, encounters light beam after barrier and be reflected to and connect
It receives on chip, receives chip by measurement and be emitted to the time between receiving, phase difference, the known light velocity, measured object can be found out
Distance of the body to device.
Existing infrared scan range unit needs the work of a large amount of finished product detection and detection calibration when realizing volume production,
And the test device of the prior art is mostly one-time detection one, test and calibration separate, and testing efficiency is low.
Summary of the invention
The purpose of the application is to propose a kind of test car, is in middle control by multiple infrared distance measuring devices to be tested
Setting test interval is pressed under the control of system and successively triggers the setting of test, is solved the prior art every time and can only be tested one and ask
Topic, substantially increases the testing efficiency of test device.
One of purpose of the application is to propose a kind of multimachine test device, passes through matching for test car and host computer
It closes, realizes more with surveying, calibration in time, substantially increases testing efficiency.
One of purpose of the application, which also resides in, proposes a kind of test method, the test side tested simultaneously by multimachine
Method, integrated test, position verification and the calibration of infrared distance measuring device to be measured, it is low to solve prior art testing efficiency
The problem of.
The application uses following technical scheme:
A kind of test car, comprising: central control system, the drive system being connected with central control system, the drive system connection are dynamic
Force system, the central control system are also connected with position limiting structure and multiple infrared distance measuring devices to be tested, multiple to be tested red
Outer range unit successively triggers test by setting test interval under the control of central control system.
As one of the preferred embodiments of the present invention, the dynamical system include driving motor, it is dynamic with driving motor
The gear that power output shaft is connected and the rack gear being meshed with gear, the rack gear are fixed on the test road of the test car
On diameter.
As one of the preferred embodiments of the present invention, further include to install central control system, drive system and it is multiple to
The mounting rack of the infrared distance measuring device of survey, the mounting rack bottom are equipped with the first sliding block, the lower section sliding of first sliding block
It is connected with matched track.
As one of the preferred embodiments of the present invention, the track is monorail, and the rack gear is fixed on the one of track
Side；
Alternatively, the track is two-orbit, the rack gear is fixed on the centre of two tracks or the outside of two tracks.
As one of the preferred embodiments of the present invention, the driving motor is fixedly connected on electric machine support, and described
The second sliding block is provided with below electric machine support, the driving motor is slidably connected at by the second sliding block of electric machine support and rail
On the parallel guided way in road, tension spring is also connected between the electric machine support and bottom plate for fixed guide rail.
As one of the preferred embodiments of the present invention, the position limiting structure includes setting along the traffic direction of the mounting rack
Set the photoelectric limit switch in the rear and front end of the mounting rack, and be arranged in the track both ends respectively with two photoelectricity
The positioning column that limit switch matches, when the notch of photoelectric limit switch is run to positioning column, then central control system is according to for the first time
The direction that the output signal of the photoelectric limit switch received controls the mounting rack towards another positioning column runs and starts to survey
Examination, when the notch of another photoelectric limit switch is run to corresponding positioning column, then central control system is according to the photoelectricity received again
The output signal of limit switch controls the mounting rack and stops or stop simultaneously backtracking.
As one of the preferred embodiments of the present invention, the position limiting structure further includes the traffic direction along the mounting rack
The locating part of the rear and front end of the mounting rack is set.
As one of the preferred embodiments of the present invention, the central control system further include respectively with multiple infrared surveys to be measured
Test lamp away from device connection, when infrared distance measuring device to be measured is changed to trigger under central control system instruction by automatic test pattern
Test pattern, the successfully modified test lamp then corresponding with infrared distance measuring device of test pattern is bright, and on the contrary then test lamp does not work.
As one of the preferred embodiments of the present invention, multiple infrared distance measuring devices to be measured are mounted on the survey on mounting rack
In test stand, the testboard includes at least one laminate, is offered on each described laminate to be measured multiple red for installing
The installation position of outer range unit.
A kind of multimachine test device is additionally provided, including the test car, and is connected with central control system upper
Position machine.
It as one of the preferred embodiments of the present invention, further include the test target for being located at track both ends.
Present invention also provides a kind of test methods, include the following steps:
Step 1: multiple infrared distance measuring devices to be measured are adjusted to triggering test pattern；
Step 2: test path operation of the multimachine test device in dynamical system effect lower edge setting, the central control system
Corresponding infrared distance measuring device, which is triggered, according to the test interval of setting and the testing sequence of setting carries out ranging；
Step 3: all measuring distances of each infrared distance measuring device and actual distance corresponding with measuring distance are by central control system
It is sent to host computer, qualification determination is carried out to multiple infrared distance measuring devices to be measured according to the data received by host computer；
Step 4: determining that qualified infrared distance measuring device enters next process as qualified product, underproof infrared survey is determined
It is calibrated by host computer by data modeling and algorithm analysis away from device.
As one of the preferred embodiments of the present invention, further include following steps:
Position verification: according to the verification interval of setting, verifying the actual distance of infrared distance measuring device to be measured, and verification is closed
Lattice continue to test, and verify unqualified, termination test.
It as one of the preferred embodiments of the present invention, further include Step 5: determining underproof infrared distance measurement dress for the first time
It sets and is at least repeated once step 1 to step 4, qualified infrared distance measuring device enters as qualified product after calibrating at least once
Next process, the still underproof infrared distance measuring device otherwise processed after calibrating at least once.
As one of the preferred embodiments of the present invention, it is closed in step 1 by central control system each to be measured infrared
The automatic test pattern of range unit, the infrared distance measuring device that each cannot complete automatic test pattern closing is replaced with can
The infrared distance measuring device for closing automatic test pattern, infrared distance measuring device to be measured then be revised as triggering by central control system
Test pattern.
As one of the preferred embodiments of the present invention, the operational mode of test car includes at least one section of elder generation in step 2
The process at the uniform velocity slowed down again after acceleration.
The utility model has the advantages that multiple infrared distance measuring devices to be tested are under the control of central control system by setting test interval
The setting of test is successively triggered, so that test device once tests more infrared distance measuring devices, substantially increases test device
Testing efficiency.The setting of test interval, which avoids the generation crosstalk of ranging simultaneously of more infrared distance measuring devices, causes test result inaccurate
True problem ensure that the test data accurate and effective of infrared distance measuring device.The test method tested simultaneously by multimachine integrates
Test, position verification and the calibration of infrared distance measuring device to be measured are changed, have substantially increased the efficiency of test, test more tight
It gathers, data are more accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one for the test car that the embodiment of the present application 1 provides.
Fig. 2 is the structural schematic diagram of the second sliding block that the embodiment of the present application 1 provides and guided way.
Fig. 3 is the structural schematic diagram for the track that the embodiment of the present application 1 provides.
Fig. 4 is the structural schematic diagram two for the test car that the embodiment of the present application 1 provides.
Fig. 5 is the structural block diagram for the multimachine test device that the embodiment of the present application 1 provides.
In figure:
1, central control system；2, drive system；3, dynamical system；4, host computer；5, infrared distance measuring device；6, mounting rack；7, it limits
Structure；31, rack gear；32, gear；33, driving motor；34, electric machine support；35, the second sliding block；36, guided way；51, test lamp；
61, the first sliding block；62, track；63, testboard；631, installation position；71, locating part；72, photoelectric limit switch.
Specific embodiment
Further illustrate the technical solution of the application below with reference to the accompanying drawings and specific embodiments.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
This application provides a kind of test cars, as shown in Fig. 1,4, comprising: central control system 1 is connected with central control system 1
Drive system 2, the drive system 2 connects dynamical system 3, the central control system 1 be also connected with position limiting structure 7 and it is multiple to
The infrared distance measuring device 5 of test, multiple infrared distance measuring devices 5 to be tested are surveyed under the control of central control system 1 by setting
The successively triggering test of examination interval.
Test parameter that the central control system 1 is inputted or limited according to host computer 4 control drive system 2 and to be tested
The operating of infrared distance measuring device 5 is to complete to test.The interval that the test interval can be the time can also be the interval of distance, nothing
By being any form, test interval, which is greater than infrared distance measuring device 5 to be measured, to be tested primary time or distance, that is, when
After starting test to test completion, next infrared distance measuring device 5 just starts to test previous infrared distance measuring device 5.
Multiple infrared distance measuring devices 5 to be tested are successively touched under the control of central control system 1 by setting test interval
The setting of test is sent out, so that test device once tests more infrared distance measuring devices 5, substantially increases the test effect of test device
Rate；The setting of test interval, which avoids the generation crosstalk of ranging simultaneously of more infrared distance measuring devices 5, leads to test result inaccuracy
Problem ensure that the test data accurate and effective of infrared distance measuring device 5.
Present invention also provides a kind of multimachine test devices, as shown in figure 5, the multimachine test device includes above-mentioned test
Trolley, and the host computer 4 being connected with central control system.The setting of host computer 4 is used for input test parameter, and judges infrared survey
It is whether qualified away from device, for underproof infrared distance measuring device, data are carried out according to the test data of infrared distance measuring device and are built
Mould and algorithm analysis are calibrated.
The multimachine test device further includes the test target positioned at track both ends.The ranging of the infrared distance measuring device 5
It can be wall, the baffle etc. of test site on target principle, it is preferred that the measuring distance of target is with the gear for determining reflectivity
Plate.
The dynamical system 3 is for driving more infrared distance measuring devices 5 to run along test path, so that infrared distance measuring device
5 and the distance of test target constantly change, and measure multi-group data according to these variations.The dynamical system 3 can have
Various structures mode, such as: wheel shaft structure, transfer bar mechanism etc., but when specifically used, because driving method limitation there are because
Ground inclination, ground friction coefficient is different and the situation of measurement error occurs, therefore to solve the above-mentioned problems, as shown in Fig. 2,
Dynamical system 3 described in technical solution provided herein includes driving motor 33, the power output shaft with driving motor 33
The gear 32 being connected and the rack gear 31 being meshed with gear 32, the rack gear 31 are fixed on the survey of the multimachine test device
It tries on path.The drive mode that rack gear 31 and gear 32 are constituted, so that dynamical system 3 is driving more 5 edges of infrared distance measuring device
When test path is run, the calculating of actual distance is not influenced by ground environment, obtains more accurate actual distance, more very
The measurement error of real In situ FTIR range unit 5.
When it is implemented, for the safety and integrality of equipment, the central control system 1, drive system 2 and multiple to be measured
Infrared distance measuring device 5 be mounted on the same mounting rack 6, while in order to guarantee host computer 4 and 1 information of central control system transmission
Safety and high efficiency, the host computer 4 are also mounted on mounting rack 6.In order to solve dynamical system 3 only by gear 32 and tooth
Item 31 pushes mounting rack 6 to run, and operation is not smooth enough, wears more serious problem, and 6 bottom of mounting rack is equipped with the
One sliding block 61, the lower section of first sliding block 61 slidably connect matched track 62.
The structure of the track 62 can be single track and be also possible to double track, when the track 62 is single track, the rack gear 31
It is fixed on the side of track 62, the stress point of single track compares concentration, and the size and center of gravity when specifically used to mounting rack 6 are wanted
Opposite double track is asked to want high.
In order to which the operation of modules that are mounting rack 6 and being mounted on mounting rack 6 is more stable, the track 62 is excellent
It is selected as double track, as shown in figure 3, the rack gear 31 is fixed on the centre of two tracks 62 or the outside of two tracks 62.In order to subtract
The occupied space of few mounting rack 6, it is preferred that the rack gear 31 is fixed on the centre of two tracks 62, corresponding, the gear 32
It is vertically arranged in the bottom of mounting rack 6.
Cooperation in order to guarantee gear 32 and rack gear 31 is more smoothly, even if having the case where slight curvature lower tooth in rack gear 31
The cooperation of wheel 32 and rack gear 31 is still stable, and this application provides one of following preferred embodiments: the driving motor 33 is fixed to be connected
It connects on electric machine support 34, and the lower section of the electric machine support 34 is provided with the second sliding block 35, the driving motor 33 passes through electricity
Second sliding block 35 of machine support 34 is slidably connected on the guided way 36 parallel with track 62, the electric machine support 34 and for solid
Determine to be also connected with tension spring (not marking in figure) between the bottom plate of guided way 36.The setting of guided way 36, the second sliding block 35 and tension spring,
When so that gear 32 and rack gear 31 matching, have corresponding pulling force amendment rack gear 31 and/or gear 32 because itself flaw is led
The collision and abrasion of cause, ensure that going on smoothly for test, extend the service life of the multimachine test device.
The position limiting structure 7 includes the rear and front end that the mounting rack 6 is arranged in along the traffic direction of the mounting rack 6
Photoelectric limit switch 72, and the positioning to match respectively with two photoelectric limit switch 72 at 62 both ends of track is set
Column is provided with the notch for allowing positioning column to pass through on the photoelectric limit switch 72, when positioning column passes through in notch, photoelectric position limit
Switch 72 exports corresponding signal.
When it is implemented, assuming that two positioning columns are respectively the first positioning column and the second positioning column, two photoelectric position limits are opened
Closing 72 is respectively the first photoelectric limit switch and the second photoelectric limit switch, when the notch of the first photoelectric limit switch is run to the
At one positioning column, the first photoelectric limit switch outputs signal to central control system 1, and the central control system 1 is according to first received
Dynamical system 3 described in the signal instruction of photoelectric limit switch drives infrared distance measuring device 5 to run towards the direction of the second positioning column
And start to test, when the second photoelectric limit switch is run to the indentation, there of the second positioning column, the second photoelectric limit switch output letter
Number to central control system 1, dynamical system 3 is controlled by central control system 1 and is run towards the direction of the first positioning column.Specifically running
In, any one of two positioning columns may each be the first positioning column, another is the second positioning column, that is to say, that any
One positioning column may each be starting point, another is test terminal.
Alternatively, according to the requirement of test, when the notch of the first photoelectric limit switch is run to the first positioning column, the first light
Electric limit switch output signal is to central control system 1, and the central control system 1 is according to the signal of the first photoelectric limit switch received
The direction for instructing the dynamical system 3 to drive infrared distance measuring device 5 towards the second positioning column runs and starts to test, when the second light
Electric limit switch is run to the indentation, there of the second positioning column, and the second photoelectric limit switch outputs signal to central control system 1, by middle control
It is out of service that system 1 controls dynamical system 3.
The structure that photoelectric limit switch 72 and positioning column match, the Hall switch generallyd use compared with the existing technology or
The setting of person's travel switch reduces starting point and measures the location confirmation process of terminal, so that starting point and measurement terminal
It positions more accurate quick.And the determination of the starting point in testing of multimachine test device and test terminal is more flexible, test
It is more convenient, efficiently.
Photoelectric limit switch 72 breaks down in order to prevent or multimachine test device is collided at runtime, described
Position limiting structure 7 further include along the mounting rack traffic direction be arranged in the mounting rack rear and front end locating part 71.
If more infrared distance measuring devices 5 are tested simultaneously, it is necessary to be adjusted to trigger by the operating mode of infrared distance measuring device 5
Test pattern, therefore in order to improve testing efficiency, the infrared distance measuring device 5 for preventing operating mode that can not be tuned into triggering mode wastes
Test machine meeting, and interference is formed to other infrared distance measuring devices 5 of test simultaneously, it is needed before testing to infrared distance measurement to be measured
The operating mode of device 5 is tested, to guarantee that each infrared distance measuring device 5 tested is in triggering test mould
Formula.
The central control system 1 includes the test lamp 51 that connect respectively with multiple infrared distance measuring devices 5 to be measured, when to
The infrared distance measuring device 5 of survey is changed to triggering test pattern by automatic test pattern under the instruction of central control system 1, and test lamp 51 is bright,
On the contrary then test lamp 51 does not work.The setting of the test lamp 51 fast and accurately identifies underproof infrared distance measuring device 5,
Tester can quickly adjust, and guarantee that the operating mode of all infrared distance measuring devices 5 tested all is triggering mode, improve
The accuracy of testing efficiency and test data.
In order to which placement in good order is used for the infrared distance measuring device 5 of test, the position and height between reduction individual
Difference is installed, multiple infrared distance measuring devices 5 to be measured are mounted on testboard 63 by mounting rack 6, the testboard 63
Including two laminates, the installation position for installing multiple infrared distance measuring devices 5 to be measured is offered on each described laminate
631.The mounting rack 6 includes groove corresponding with the shape of infrared distance measuring device 5, for keeping all infrared distance measurements to fill
Set 5 be mounted on testboard 63 after, the angle of departure for emitting light is consistent.Certainly, the quantity of the laminate is not limited to
One two or more, specifically will be according to the volume, the volume of testboard 63 and the height of test target of infrared distance measuring device 5
It is specifically set with shape.
Present invention also provides a kind of test methods, include the following steps:
Step 1: multiple infrared distance measuring devices 5 to be measured are adjusted to triggering test pattern by central control system 1；In step 1
The automatic test pattern that each infrared distance measuring device 5 to be measured is closed by central control system 1 cannot complete each automatic
The infrared distance measuring device 5 that test pattern is closed replaces with the infrared distance measuring device 5 that can close automatic test pattern, then passes through
Infrared distance measuring device 5 to be measured is revised as triggering test pattern by control system 1.
Step 2: driving test path operation of the multimachine test device along setting, the middle control by central control system 1
System 1 when multimachine test device is run, after Shang Yitai infrared test device terminates once to test, press by the central control system 1
The infrared distance measuring device 5 for sequentially triggering next according to setting test interval carries out ranging；The multimachine test device is starting to survey
When examination, because the notch of the photoelectric limit switch 72 in multimachine test device is located at corresponding positioning column, then central control system 1
It determines that multimachine test device is in initial position by the signal of photoelectric limit switch 72, directly starts or terminate test, it is not necessary to
Determine whether it is located at initial position or final position in the way of operation by central control system 1.
In order to guarantee the test accuracy of multimachine test device, reduce the measurement of actual distance to caused by test result
Error further includes position verification step: according to the verification interval of setting, being carried out to the actual distance of infrared distance measuring device 5 to be measured
Verification, verification is qualified, continues to test, and verifies unqualified, termination test.Preferably, it is divided into 1m between the verification, by central control system
1 the verification spaced points output power system 3 of setting actual distance, pass through optical distance measurement apparatus, gage or photoelectric door etc. survey
Amount device obtains gauged distance, checks and approves actual distance and gauged distance, and verification interval is including but not limited to 1m.Specifically answer
In, the position verify the step of including but not limited to be arranged in step 2, can both occur before testing, can also send out
Life is in testing.
In order to improve the efficiency of test, after the operational mode of test car first accelerates including at least one section in step 2 at the uniform velocity
The process slowed down again.Preferably, since starting point, the multimachine test device is steadily accelerated to after setting speed and is at the uniform velocity gone
It sails, it is steady to slow down after driving at a constant speed set distance, reach corresponding test terminal, it is reversed later to accelerate, accelerate to setting speed
Afterwards, it remains a constant speed, until in steady moderating process, stopping at starting point after driving at a constant speed set distance.
Step 3: each measuring distance corresponding to each infrared distance measuring device to be measured 5 and corresponding with measuring distance
The numerical value of actual distance host computer 4 is sent to by central control system 1, by host computer 4 according to the data received to multiple to be measured
Infrared distance measuring device 5 carry out qualification determination；The central control system 1 is provided with corresponding each infrared distance measurement tested each time
The memory module of device 5 is fully completed to this test, each for being stored above-mentioned memory module by central control system 1 is red
The test data of outer range unit 5 is transmitted to host computer 4.The test data include measuring distance and with measuring distance pair
The actual distance answered.
Step 4: host computer 4 is to the measuring distance of each infrared distance measuring device 5 received and the comparison of actual distance
To judge whether corresponding infrared distance measuring device 5 is qualified, it is next to determine that qualified infrared distance measuring device 5 enters as qualified product
Process determines that underproof infrared distance measuring device 5 is calibrated by host computer 4 by data modeling and algorithm analysis.
Step 5: determining that underproof infrared distance measuring device 5 is at least repeated once step 1 to step 4, through primary for the first time
Or qualified infrared distance measuring device 5 as qualified product enters next process after calibrating twice, after calibrating once or twice according to
Right underproof 5 otherwise processed of infrared distance measuring device.When it is implemented, the number of calibration is including but not limited to once or twice.
When calibration, when the notch of photoelectric limit switch 72A is run to positioning column a, photoelectric limit switch 72A outputs signal to middle control system
System 1, the central control system 1 dynamical system 3 according to the signal instruction of the photoelectric limit switch 72A received is towards positioning column
The direction of b runs and starts to test, and the infrared distance measuring device 5 of secondary calibration is measured according to setting measurement interval, works as photoelectricity
Limit switch 72B is run to the indentation, there of positioning column b, and photoelectric limit switch 72B outputs signal to central control system 1, is by middle control
System 1 closes the measurement pattern of the infrared distance measuring device 5 of secondary calibration, and control dynamical system 3 is out of service, alternatively, control power
System 3 returns to starting point.
In conclusion multiple infrared distance measuring devices 5 to be tested under the control of central control system 1 by setting test interval according to
The setting of secondary triggering test substantially increases the survey of test device so that test device once tests more infrared distance measuring devices 5
Try efficiency；The setting of test interval, which avoids the generation crosstalk of ranging simultaneously of more infrared distance measuring devices 5, causes test result inaccurate
True problem ensure that the test data accurate and effective of infrared distance measuring device 5.The test method tested simultaneously by multimachine, collection
At test, position verification and the calibration of infrared distance measuring device to be measured 5 has been changed, the efficiency of test is substantially increased, test is more
To be compact, data are more accurate.
Describe the technical principle of the application in conjunction with specific embodiments above.These descriptions are intended merely to explain the application's
Principle, and it cannot be construed to the limitation to the application protection scope in any way.Based on the explanation herein, the technology of this field
Personnel do not need to pay for creative labor the other specific embodiments that can associate the application, these modes are fallen within
Within the protection scope of the application.
Claims (10)
1. a kind of test car characterized by comprising central control system, the drive system being connected with central control system, the drive
Dynamic system connects dynamical system, and the central control system is also connected with position limiting structure and multiple infrared distance measuring devices to be tested, more
A infrared distance measuring device to be tested successively triggers test by setting test interval under the control of central control system.
2. test car according to claim 1, which is characterized in that the dynamical system includes driving motor and driving
The gear that the power output shaft of motor is connected and the rack gear being meshed with gear, the rack gear are fixed on the test car
Test path on.
3. test car according to claim 2, which is characterized in that further include to install central control system, drive system
With the mounting rack of multiple infrared distance measuring devices to be measured, the mounting rack bottom is equipped with the first sliding block, first sliding block
Lower section slidably connects matched track.
4. test car according to claim 3, which is characterized in that the track is monorail, and the rack gear is fixed on
The side of track；
Alternatively, the track is two-orbit, the rack gear is fixed on the centre of two tracks or the outside of two tracks.
5. test car according to claim 2, which is characterized in that the driving motor is fixedly connected on electric machine support
On, and the second sliding block is provided with below the electric machine support, the driving motor is slided by the second sliding block of electric machine support
It is connected on the guided way with parallel track, is also connected with drawing between the electric machine support and bottom plate for fixed guide rail
Spring.
6. test car according to claim 3, which is characterized in that the position limiting structure includes the fortune along the mounting rack
The photoelectric limit switch of the rear and front end of the mounting rack is arranged in line direction, and be arranged in the track both ends respectively with
The positioning column that two photoelectric limit switch match, when the notch of photoelectric limit switch is run to positioning column, then central control system
The mounting rack is controlled according to the output signal of the photoelectric limit switch received for the first time to run towards the direction of another positioning column
And start to test, when the notch of another photoelectric limit switch is run to corresponding positioning column, then central control system according to receiving again
The output signal of the photoelectric limit switch arrived controls the mounting rack and stops or stop simultaneously backtracking.
7. test car according to claim 6, which is characterized in that the position limiting structure further includes along the mounting rack
The locating part of the rear and front end of the mounting rack is arranged in traffic direction.
8. test car according to claim 1-7, which is characterized in that the central control system further include respectively with
The test lamp of multiple infrared distance measuring devices to be measured connections, when infrared distance measuring device to be measured under central control system instruction by automatic
Test pattern is revised as triggering test pattern, and the successfully modified test lamp then corresponding with infrared distance measuring device of test pattern is bright, instead
Then test lamp do not work.
9. test car according to claim 3, which is characterized in that multiple infrared distance measuring devices to be measured are mounted on installation
On testboard on frame, the testboard includes at least one laminate, is offered on each described laminate to be measured for installing
Multiple infrared distance measuring devices installation position.
10. a kind of multimachine test device, which is characterized in that including such as described in any item test cars of claim 1-9, and
The host computer being connected with central control system；It preferably, further include the test target for being located at track both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053843.8A CN109725300A (en) | 2017-10-31 | 2017-10-31 | A kind of test car and multimachine test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711053843.8A CN109725300A (en) | 2017-10-31 | 2017-10-31 | A kind of test car and multimachine test device |
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| Publication Number | Publication Date |
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| CN109725300A true CN109725300A (en) | 2019-05-07 |
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| CN201711053843.8A Pending CN109725300A (en) | 2017-10-31 | 2017-10-31 | A kind of test car and multimachine test device |
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