CN204330928U - OBU comprehensive tester and Auto-Test System - Google Patents
OBU comprehensive tester and Auto-Test System Download PDFInfo
- Publication number
- CN204330928U CN204330928U CN201420872421.9U CN201420872421U CN204330928U CN 204330928 U CN204330928 U CN 204330928U CN 201420872421 U CN201420872421 U CN 201420872421U CN 204330928 U CN204330928 U CN 204330928U
- Authority
- CN
- China
- Prior art keywords
- obu
- comprehensive tester
- signal source
- auto
- spectrum measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to OBU comprehensive tester and Auto-Test System, this OBU comprehensive tester comprises casing and is arranged at spectrum measurement unit, signal source, master control borad and the channel selector switch in this casing, described spectrum measurement unit and described signal source are connected to described master control borad, and described spectrum measurement unit is connected radio frequency interface with described signal source by described channel selector switch.The utility model OBU comprehensive tester and Auto-Test System and the test automatically completed the every electric parameter of tested OBU and radio frequency parameter, achieve the one-stop automatic test of the various electric parameter of OBU and radio frequency parameter.
Description
Technical field
The utility model relates to test macro, more particularly, is a kind of OBU test macro and tool.
Background technology
OBU (On board Unit, board units) is the important component part of ETC (Electronic Toll Collection, electronic charging system without parking) system, path identifying system and vehicles identifications system etc.The quality of OBU performance directly has influence on the experience of terminal user, and in correlation technique, OBU does not also have extraordinary means of testing.
Utility model content
The purpose of this utility model is to provide a kind of OBU comprehensive tester and Auto-Test System, to solve the above-mentioned technological deficiency that OBU test exists.
For reaching above-mentioned purpose, the utility model provides a kind of OBU comprehensive tester, comprise casing and be arranged at spectrum measurement unit, signal source, master control borad and the channel selector switch in this casing, described spectrum measurement unit and described signal source are connected to described master control borad, and described spectrum measurement unit is connected radio frequency interface with described signal source by described channel selector switch.
Preferably, also comprise referrer module, described referrer module connects described spectrum measurement unit and described signal source respectively, to provide reference signal respectively to described spectrum measurement unit and described signal source.
Preferably, described spectrum measurement unit comprises Digital Signal Analysis submodule and RF front-end module, and described referrer module provides reference signal respectively to described Digital Signal Analysis submodule and RF front-end module.
Preferably, also comprise direct supply and data acquisition unit, described direct supply and data acquisition unit are connected with described master control borad.
Preferably, described direct supply and data acquisition unit have three voltage output ends and two voltage measurement ends, and wherein a road voltage adds current acquisition module in exporting.
Preferably, also comprise front panel and/or communication board, described front panel arranges radio frequency interface; Described communication board arranges gpib interface, USB interface, LAN interface and/or USB interface.
A kind of OBU Auto-Test System is also provided, comprises the OBU comprehensive tester described in above-mentioned any one.
Preferably, also comprise the OBU Automatic test clamp communicated to connect with described OBU comprehensive tester, described OBU Automatic test clamp comprises:
Base;
Load bearing unit, can be installed on described base with moving horizontally;
First drive unit, is connected between described load bearing unit and described base, moves horizontally relative to described base to drive described load bearing unit;
Fixture, can be installed on up or down on described base, and match with described load bearing unit operably; And
Second drive unit, is connected between described fixture and described base, is elevated relative to described base to drive described fixture.
Preferably, described OBU Automatic test clamp comprises the Electrical probes and/or retractable driving device that communicate to connect with described comprehensive tester, described Electrical probes is in order to match with the electrical contact on OBU to be measured, and described retractable driving device is used for matching with the breaking-proof switch of OBU to be measured.
Preferably, described OBU Automatic test clamp comprises radio-frequency antenna fixed head, and described radio-frequency antenna fixed head is provided with RF antenna, and the radio frequency interface of described RF antenna and described OBU comprehensive tester communicates to connect.
The utility model OBU Auto-Test System and measurement jig complete the test to the every electric parameter of tested OBU and radio frequency parameter automatically, achieve the one-stop automatic test of the various electric parameter of OBU and radio frequency parameter.
The utility model has: test speed is fast, can effectively enhance productivity; Test process is not affected by human factors, accuracy and consistance good; Automatic test, effectively reduces the Capability Requirement to operating personnel; One-stop test, decreases manpower and equipment investment.
Accompanying drawing explanation
Fig. 1 is the theory diagram of some embodiment OBU Auto-Test Systems;
Fig. 2 is the structural representation of shielded box in some embodiments;
Fig. 3 is the test flow chart of some embodiments;
Fig. 4 is the process flow diagram of OBU electrical parameters measure in Fig. 3;
Fig. 5 is the process flow diagram of OBU radio frequency parameter test in Fig. 3;
Fig. 6 is the waveform that OBU carries out launching when carrier only is tested;
Fig. 7 is the waveform that OBU carries out launching when PN9 tests;
Fig. 8 is the OBU waveform that signal source is launched when carrying out waking test up;
Fig. 9 is the theory diagram of comprehensive tester in other embodiment OBU Auto-Test Systems;
Figure 10 is the perspective view of the measurement jig in some embodiments;
Figure 11 is for the A-A of measurement jig shown in Figure 10 is to cross-sectional view;
Figure 12 is the perspective view under another visual angle of measurement jig shown in Figure 10.
Embodiment
In order to make scheme of the present utility model clearly understand, below in conjunction with example, the utility model is further described.These more detailed descriptions are intended to help and understand the utility model, and should not be used to limit the utility model.Content disclosed in the utility model, it will be understood by those skilled in the art that and some or all these specific detail can not be needed to implement the utility model.And in other cases, in order to avoid utility model is created desalination, do not describe well-known operating process in detail.
Please refer to Fig. 1, the OBU Auto-Test System in some embodiments can comprise the automatic test control device 1 of OBU, signal source 2, frequency spectrograph (i.e. Spectral acquisition unit) 3, direct supply 4, data collecting card (i.e. data acquisition unit) 5, shielded box 6, printer 7 and database 8.Wherein, be provided with measurement jig 63 in shielded box 6, shielded box opens control gear 62 and RF antenna 61.The automatic test control device 1 of OBU is realized by program by computing machine, also can by realizations such as firmware corresponding to computer program.Signal source 2 is connected with the gpib bus of frequency spectrograph 3 one aspect with the automatic test control device 1 of OBU, and be connected with RF antenna 61 by SMA threeway head on the other hand, signal source 2 is for generation of wake-up signal, and frequency spectrograph 3 is for automatically testing corresponding radio frequency parameter.Direct supply 4 contact pin corresponding on measurement jig 63 with data collecting card 5 one aspect is connected, on the other hand, direct supply 4 is connected with the gpib bus of the automatic test control device 1 of OBU, data collecting card 5 connects the automatic test control device 1 of OBU by USB interface, for automatically testing corresponding electric parameter under the control of the automatic test control device of OBU 1.The automatic test control device 1 of OBU is also connected with the corresponding contact pin on measurement jig 63 by serial ports, for sending instruction and reading state to tested OBU.The automatic test control device 1 of OBU is also opened control gear 62 with shielded box and is connected, and automatically opens or closes to control shielded box 6.The automatic test control device 1 of OBU is connected with printer 7, for being printed by test result generating labels.Database 8 is for store and management test result.
Further, this test macro also comprises scanner head (not shown), and described scanner head is arranged on described measurement jig 63, and is connected the barcode data for obtaining on tested OBU with the automatic test control device of described OBU 1.
With reference to Fig. 2, shielded box 6 can comprise lower box 601, upper box 602, the guide rail 603 be liftably installed on by upper box 602 on lower box 601 in certain embodiments, and is connected between lower box 601 and upper box 602 with the driving cylinder 604 driving upper box 602 to be elevated.Measurement jig 63 is arranged on lower box 601, and can be covered by upper box 602, realizes function of shielding.
Fig. 3 shows the OBU auto test flow of some embodiments.Comprise the following steps with reference to the automatic test control method of Fig. 3, this OBU:
S100, gated sweep head scan the bar code on tested OBU.Particularly, the automatic test control device 1 of OBU is opened control gear 62 by serial ports to shielded box and is sent OPEN, and shielded box 6 is opened and released measurement jig 63; Tested OBU is placed on tool pallet, OBU automatic test control device 1 gated sweep head scans the bar code on tested OBU product, open control gear 62 to shielded box after the automatic test control device 1 of OBU receives scanning information and send out code, measurement jig 63 is return in shielded box 6, and closes shielded box 6.
S200, the software version read in tested OBU, judge that whether OBU software version is correct.
S300, send command adapted thereto to the data collecting card 5 of tested OBU, test macro and/or the direct supply 4 of test macro, obtain the respective electric parameter of described tested OBU.Namely the respective electric parameter of tested OBU is tested.
S400, send command adapted thereto to the signal source 2 of tested OBU, test macro and/or the frequency spectrograph 3 of test macro, obtain the respective radio-frequency parameter of described tested OBU.Namely the respective radio-frequency parameter of tested OBU is tested.
S500, by the barcode data that obtains stored in database 8, and be this No. ID, tested OBU distribution.Write ID instruction is sent to this tested OBU, by No. ID this tested OBU of write by serial ports.
Process test result, comprising:
S600, the electric parameter recorded and radio frequency parameter are saved in database 8, facilitate data management and review;
S700, by failure message generating labels, and to print, be then labelled on this tested OBU.
In certain embodiments, the electric parameter of test comprises: quiescent current, standby current, battery branch voltage and sun power branch voltage.Radio frequency parameter comprises carrier frequency, radiation power, occupied bandwidth, the index of modulation, neighboring trace leakage power ratio, spuious and wake sensitivity up.
Fig. 4 shows the idiographic flow of the OBU electrical parameters measure of some embodiments.Comprise the following steps with reference to Fig. 4, OBU electrical parameters measure:
S310, test battery branch voltage.More particularly, comprising: the automatic test control device of OBU 1 sends dormancy instruction to tested OBU, makes it be in dormant state; The automatic test control device 1 of OBU is closed direct supply 4 by SCPI instruction and is exported, and control data capture card 5 output voltage, read tested OBU battery branch road test point magnitude of voltage by data collecting card 5.
S320, tested static electric current.Comprise: the automatic test control device 1 of OBU arranges the output of direct supply 3 voltage by SCPI instruction and opens, and arranging current range is AUTO, reads current value.
S330, test sun power branch voltage.Comprise: the automatic test control device 1 of OBU is closed direct supply 4 by SCPI instruction and exported, and control data capture card 5 output voltage, read tested OBU sun power branch road test point magnitude of voltage by data collecting card 5.
S340, test standby current.The automatic test control device 1 of OBU arranges the output of direct supply 4 voltage by SCPI instruction and opens, and arranging current range is AUTO; Send instructions to shielded box 6 by serial ports, the breaking-proof switch controlled on measurement jig is pressed, and makes tested OBU be in holding state; The automatic test control device 1 of OBU, by SCPI instruction fetch direct supply 4 current value, obtains standby current.
Fig. 5 shows the idiographic flow of the OBU radio frequency parameter test of some embodiments.Comprise the following steps with reference to the test of Fig. 5, OBU radio frequency parameter:
S410, test carrier frequency.Comprise: the automatic test control device 1 of OBU controls frequency spectrograph 3 by SCPI instruction and enters spectrum measurement pattern, and arrange centre frequency and frequency range, such as centre frequency is 5.79GHz, and frequency range is 10M.The automatic test control device of OBU 1 sends carrier only instruction to tested OBU by serial ports, makes tested OBU launch pure carrier signal (as shown in Figure 6).The automatic test control device 1 of OBU by SCPI instruction fetch frequency spectrograph crest frequency, thus obtains carrier frequency.The carrier frequency of acquisition is compared with corresponding standard value.When carrier frequency is defective, to tested OBU transmission frequency adjustment instruction, make tested OBU carry out frequency adjustment, adjust complete, the automatic test control device 1 of OBU re-starts frequency test and judges.After reaching cycle index (as 5 times), if the carrier frequency obtained is still defective, be judged to be the defective fault of carrier frequency.
S420, testing radiation power.Similar to the test of carrier frequency.Comprise: the automatic test control device 1 of OBU by the power of SCPI instruction fetch frequency spectrograph, thus obtains radiation power.The carrier power of acquisition is compared with corresponding standard value.When power is defective, to tested OBU transmitted power adjustment instruction, make tested OBU carry out power adjustment, adjust complete, the automatic test control device 1 of OBU re-starts power test and judges.After reaching cycle index (as 5 times), if the radiation power obtained is still defective, be judged to be the defective fault of radiation power.
S430, test occupied bandwidth.Comprise: the automatic test control device 1 of OBU controls frequency spectrograph 3 by SCPI instruction and enters OBW pattern (i.e. occupied bandwidth pattern), arranges the parameter such as centre frequency, frequency range.The automatic test control device of OBU 1 sends PN9 instruction to tested OBU by serial ports, makes tested OBU launch PN9 signal (as shown in Figure 7).The automatic test control device 1 of OBU, by the OBW value of SCPI instruction fetch frequency spectrograph 3 waveform, obtains occupied bandwidth.Compare with corresponding standard value, if defective, be judged to be the defective fault of occupied bandwidth.
S440, the test index of modulation.Comprise: the automatic test control device 1 of OBU controls frequency spectrograph 3 by SCPI instruction, and arranging frequency range is 0, arranges other parameters, namely enters zero and sweeps wide mode.The automatic test control device of OBU 1 sends PN9 instruction to tested OBU by serial ports, makes tested OBU launch PN9 signal (as shown in Figure 7).The automatic test control device 1 of OBU, by waveform peak and minimum value on SCPI instruction fetch frequency spectrograph 3, calculates the index of modulation.
S450, test neighboring trace leakage power ratio.Comprise: the automatic test control device 1 of OBU controls frequency spectrograph 3 by SCPI instruction and enters ACP pattern, arranges the parameter such as centre frequency, frequency range.The automatic test control device of OBU 1 sends PN9 instruction to tested OBU by serial ports, makes tested OBU launch PN9 signal (as shown in Figure 7).The automatic test control device 1 of OBU is by SCPI instruction fetch frequency spectrograph 3 neighboring trace leakage power ratio.
S460, test spuious.Comprise: the automatic test control device 1 of OBU controls frequency spectrograph 3 by SCPI instruction and enters spectrum mode, arranges initial frequency, opens maximum maintenance.The automatic test control device of OBU 1 sends PN9 instruction to tested OBU by serial ports, makes tested OBU launch PN9 signal (as shown in Figure 7).The automatic test control device of OBU 1 is by each frequency band waveform peak power on SCPI instruction fetch frequency spectrograph 3.
S470, test wake sensitivity up.Comprise: the automatic test control device 1 of OBU, by SCPI command control signal source 2, arranges frequency, calls waveform customization file, arrange other parameters.The automatic test control device of OBU 1 is sent by serial ports and wakes instruction up to tested OBU, tested OBU is entered and wakes sensitivity test pattern up.The automatic test control device 1 of OBU launches wake-up signal (as shown in Figure 8 by SCPI command control signal source 2, this wake-up signal is the radiofrequency signal of 14K square-wave frequency modulation, the tool software spanned file that this signal can be provided by signal source is saved in signal source, exported by SCPI instruction calls when testing), read tested OBU rreturn value, judge whether to wake up; When OBU does not wake up, send instruction to signal source 2 and make it by power step value adjustment emissive power, till OBU wakes up, read emissive power now, obtain and wake sensitivity parameter up.The sensitivity parameter that wakes up obtained is compared with corresponding standard value.When waking sensitivity parameter up and being defective, send instruction to tested OBU and adjust corresponding sensitivity parameter, re-execute above-mentioned test sub-step and judge sub-step, until it is qualified or reach cycle index (as 5 times) to wake sensitivity parameter up, reach cycle index still defective, judge to wake sensitivity fault up.
Above-mentioned OBU Auto-Test System at least has the following advantages:
1, automatically realize the test of various electric parameter and radio frequency parameter, test speed is fast, effectively can enhance productivity, effectively reduce the Capability Requirement to operating personnel simultaneously;
2, test process is not affected by human factors, accuracy and consistance good;
3, the one-stop test of all parameters, decreases manpower and equipment investment;
4, to test result data library management, follow-up reviewing is facilitated;
5, automatically failure message generating labels is printed, can identify fault OBU quickly and easily;
6, be provided with shielded box, radio frequency parameter test is more accurate.
In the OBU Auto-Test System of other embodiment, spectrum measurement unit, signal source, direct supply and data acquisition unit can be integrated formation comprehensive tester, effectively reduce cost, improve the integrated level of test macro, decrease overall volume.The formation of comprehensive tester has been shown in Fig. 9.As shown in Figure 9, this comprehensive tester comprises spectrum measurement unit 91, referrer module 92, signal source 93, direct supply and data acquisition unit 94, master control borad 95, channel selector switch 96.Spectrum measurement unit 91 comprises Digital Signal Analysis submodule 911 and RF front-end module 912.Referrer module 92 connects spectrum measurement unit 91 and signal source 93 respectively, for: provide reference signal to radio frequency leading portion submodule 912 and Digital Signal Analysis submodule 911, and provide reference signal to signal source 93.Spectrum measurement unit 91, signal source 93 are connected master control borad 95 respectively with direct supply and data acquisition unit 94, and master control borad 95 can adopt the software systems such as WINDOW XP.Master control borad 95 arranges the interfaces such as GPIB, USB, LAN, VGA, is conveniently connected with the automatic test control device 1 of above-mentioned OBU.Spectrum measurement unit 91 is connected radio frequency interface with signal source 93 by channel selector switch 96, and this radio frequency interface is for connecting the RF antenna in shielded box.Direct supply and data acquisition unit 94 have three voltage output ends and two voltage measurement ends, and wherein a road voltage adds current acquisition module in exporting, and can carry out current measurement powering to tested OBU simultaneously.
Again as shown in Figure 9, spectrum measurement unit 91 in this comprehensive tester organically combines with signal source 93, both are arranged in a casing, both shared front panel, communication board and master control borads 95, and are selected both by channel selector switch as required.In addition, this comprehensive tester be omitted the frequency spectrograph in correlation technique and the OBU in signal source test with less than function and device.Compare with independent signal source with the independent frequency spectrograph in correlation technique, reduce cost, save space, the automatic test in order to OBU brings many facilities.
As shown in Figure 10 to Figure 12, one preferably measurement jig 63 can comprise base 631, first slide rail 632, slide plate 633, turnover cylinder 634, load bearing unit 635, second slide rail 636, slide block 637, lift cylinder 638 and fixture 639.Base 631 can rectangular tabular in some embodiments, and the first slide rail 632 level is installed on the upper surface of base 631.Slide plate 633 is installed on the first slide rail 632, and can move around along the first slide rail 632.Turnover cylinder 634 is installed between slide plate 633 and base 631, moves around along the first slide rail 632 to drive slide plate 633.Load bearing unit 635 is for carrying OBU to be measured, and it is installed on slide plate 633, can move around relative to base 631 along with slide plate 633, thus realizes turnover shielded box 6.Second slide rail 636 is vertically installed on base 631, and slide block 637 is slidably mounted on the second slide rail 636, and lift cylinder 638 is installed between base 631 and slide block 637, moves up and down relative to base 631 to drive slide block 637.Fixture 639 is installed on slide block 637, to move up and down along with slide block 637, to match with load bearing unit 635, realizes the clamping test to OBU to be measured.
Fixture 639 can comprise the needle plate 6391 being positioned at below and the radio-frequency antenna fixed head 6392 being positioned at top in certain embodiments, is provided with interval between needle plate 6391 and radio-frequency antenna fixed head 6392.Precalculated position on needle plate 6391 offers several the first mounting holes 6393, for installing some Electrical probes (not shown) respectively, these Electrical probes for being electrically connected with the electrical contact on OBU to be measured, to test OBU.Needle plate 6391 can also offer the second mounting hole 6394, for installing retractable driving device (not shown), to drive the opening and closing of the breaking-proof switch on OBU to be measured.This retractable driving device can be cylinder in certain embodiments.The lower surface diagonal position of needle plate 6391 also can stretch out a pair reference column 6395 downwards in certain embodiments, and correspondingly, the diagonal angle place of load bearing unit 635 arranges a pair pilot hole 6350 respectively, is arranged in respectively wherein for this pair reference column 6395.
In certain embodiments, the upper surface of base 631 is also equipped with the first installing plate 6310, slide plate 633 is equipped with the second installing plate 6330, first installing plate 6310 and the second installing plate 6330 are oppositely arranged, for installing stroke sensing apparatus (not shown), to sense the stroke of slide plate 633 movement, and according to the start and stop of Stroke Control cylinder, thus control the shift motion of slide plate 633.The trip sensing apparatus can be infrared stroke sensing apparatus, and it can comprise and is installed on infrared transmitting device on the first installing plate 6310 and the second installing plate 6330 and infrared receiver respectively.
When above-mentioned measurement jig 63 works, first control system feeds out cylinder 634 1 control signals, and the aerating of turnover cylinder 634 is stretched, and drives slide plate 633 to skid off from the level of position shown in Figure 10, drives load bearing unit 635 to stretch out the casing of shielded box 6.Now, OBU to be measured can be put on load bearing unit 635 by operating personnel, and presses testing button, and Systematical control turnover cylinder 634 shrinks, and drives slide plate 633 to get back to the position shown in Figure 10.After slide plate 633 puts in place, the OBU to be measured be placed on load bearing unit 635 is positioned at immediately below fixture 639.System controls lift cylinder 638 again and shrinks, fixture 639 and load bearing unit 635 is driven to draw close, after drawing close and putting in place, the electric electric shock conducting on the Electrical probes in fixture 639 and OBU to be measured, and make the retractable driving device in fixture 639 corresponding with the breaking-proof switch on OBU to be measured.So, system can test multiple performance parameters of OBU to be measured automatically.After to be tested, system is again according to above-mentioned steps reverse operating.
It should be pointed out that for those skilled in the art, do not departing from several improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. an OBU comprehensive tester, it is characterized in that, comprise casing and be arranged at spectrum measurement unit, signal source, master control borad and the channel selector switch in this casing, described spectrum measurement unit and described signal source are connected to described master control borad, and described spectrum measurement unit is connected radio frequency interface with described signal source by described channel selector switch.
2. OBU comprehensive tester according to claim 1, it is characterized in that, also comprise referrer module, described referrer module connects described spectrum measurement unit and described signal source respectively, to provide reference signal respectively to described spectrum measurement unit and described signal source.
3. OBU comprehensive tester according to claim 2, it is characterized in that, described spectrum measurement unit comprises Digital Signal Analysis submodule and RF front-end module, and described referrer module provides reference signal respectively to described Digital Signal Analysis submodule and RF front-end module.
4. the OBU comprehensive tester according to any one of claims 1 to 3, is characterized in that, also comprises direct supply and data acquisition unit, and described direct supply and data acquisition unit are connected with described master control borad.
5. OBU comprehensive tester according to claim 4, is characterized in that, described direct supply and data acquisition unit have three voltage output ends and two voltage measurement ends, and wherein a road voltage adds current acquisition module in exporting.
6. OBU comprehensive tester according to claim 4, is characterized in that, also comprises front panel and/or communication board, and described front panel arranges radio frequency interface; Described communication board arranges gpib interface, USB interface, LAN interface and/or USB interface.
7. an OBU Auto-Test System, is characterized in that, comprises the OBU comprehensive tester described in any one of claim 1 to 6.
8. OBU Auto-Test System according to claim 7, is characterized in that, also comprise the OBU Automatic test clamp communicated to connect with described OBU comprehensive tester, described OBU Automatic test clamp comprises:
Base;
Load bearing unit, can be installed on described base with moving horizontally;
First drive unit, is connected between described load bearing unit and described base, moves horizontally relative to described base to drive described load bearing unit;
Fixture, can be installed on up or down on described base, and match with described load bearing unit operably; And
Second drive unit, is connected between described fixture and described base, is elevated relative to described base to drive described fixture.
9. OBU Auto-Test System according to claim 8, it is characterized in that, described OBU Automatic test clamp comprises the Electrical probes and/or retractable driving device that communicate to connect with described comprehensive tester, described Electrical probes is in order to match with the electrical contact on OBU to be measured, and described retractable driving device is used for matching with the breaking-proof switch of OBU to be measured.
10. OBU Auto-Test System according to claim 8 or claim 9, it is characterized in that, described OBU Automatic test clamp comprises radio-frequency antenna fixed head, and described radio-frequency antenna fixed head is provided with RF antenna, and the radio frequency interface of described RF antenna and described OBU comprehensive tester communicates to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872421.9U CN204330928U (en) | 2014-12-31 | 2014-12-31 | OBU comprehensive tester and Auto-Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872421.9U CN204330928U (en) | 2014-12-31 | 2014-12-31 | OBU comprehensive tester and Auto-Test System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204330928U true CN204330928U (en) | 2015-05-13 |
Family
ID=53167275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872421.9U Active CN204330928U (en) | 2014-12-31 | 2014-12-31 | OBU comprehensive tester and Auto-Test System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204330928U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045252A (en) * | 2015-05-27 | 2015-11-11 | 普联技术有限公司 | Radio frequency testing calibration method and system, detection control module, and PC |
| CN105227250A (en) * | 2015-08-31 | 2016-01-06 | 北京握奇智能科技有限公司 | The microwave property testing apparatus of a kind of OBU and method |
| CN110648425A (en) * | 2019-09-20 | 2020-01-03 | 天地融科技股份有限公司 | Detection method and system for vehicle-mounted unit |
| CN115242323A (en) * | 2022-06-29 | 2022-10-25 | 北京聚利科技有限公司 | Method, device and system for testing vehicle-mounted unit and storage medium |
-
2014
- 2014-12-31 CN CN201420872421.9U patent/CN204330928U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045252A (en) * | 2015-05-27 | 2015-11-11 | 普联技术有限公司 | Radio frequency testing calibration method and system, detection control module, and PC |
| CN105227250A (en) * | 2015-08-31 | 2016-01-06 | 北京握奇智能科技有限公司 | The microwave property testing apparatus of a kind of OBU and method |
| CN110648425A (en) * | 2019-09-20 | 2020-01-03 | 天地融科技股份有限公司 | Detection method and system for vehicle-mounted unit |
| CN115242323A (en) * | 2022-06-29 | 2022-10-25 | 北京聚利科技有限公司 | Method, device and system for testing vehicle-mounted unit and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204330929U (en) | The automatic measurement jig of OBU and system | |
| CN104569676B (en) | The automatic test control methods of OBU, control device and Auto-Test System | |
| CN204330928U (en) | OBU comprehensive tester and Auto-Test System | |
| CN110186516B (en) | Device, system and method for automatic comprehensive testing and aging of laser | |
| CN201066379Y (en) | Keyboard tester | |
| CN107515370A (en) | A kind of PCBA detection means and detection method | |
| CN101782959A (en) | Test system and method for radio-frequency application system performance of high-speed motion electronic tag | |
| CN105022020A (en) | RF electromagnetic field and radio immunity test system and method of electric energy meter | |
| CN106774241A (en) | The Auto-Test System and method of testing of high voltage transducer power unit control panel | |
| CN102565752A (en) | Test tool for electric meter | |
| CN103019940A (en) | Electric energy meter embedded software semi-simulation test device | |
| CN204882852U (en) | Long -range calibration equipment of electric energy meter parameter | |
| CN202903227U (en) | Tester for simultaneously testing multiple optical modules with one path of signals | |
| CN115061060A (en) | Card detection method, system, computer program product and readable storage medium | |
| CN107335630B (en) | Antenna test system and method | |
| CN104297664A (en) | Mainboard time sequence measuring device and method | |
| CN102901904B (en) | A kind of Multifunctional intelligent detection device for circuit board | |
| CN208890810U (en) | The portable tester of transponder transmission module | |
| CN202710677U (en) | Automatic test device for radio frequency IC card | |
| CN202512233U (en) | Electric meter test equipment | |
| CN208833886U (en) | Electric tool switch test device and system | |
| CN212905283U (en) | Bluetooth key's test system | |
| CN210833274U (en) | Electronic trigger fuse test system | |
| CN101170324A (en) | Testing system and testing method of near-field communication device | |
| CN206057463U (en) | The comprehensive test device of gate inhibition's control system on the spot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |