CN1336734A - Autotest means for infrared transmission device - Google Patents
Autotest means for infrared transmission device Download PDFInfo
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- CN1336734A CN1336734A CN00120834A CN00120834A CN1336734A CN 1336734 A CN1336734 A CN 1336734A CN 00120834 A CN00120834 A CN 00120834A CN 00120834 A CN00120834 A CN 00120834A CN 1336734 A CN1336734 A CN 1336734A
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Abstract
The invention device consists of tested platform, reference platform, servo driving mechanism and automatic controller. The servo driving mechanism is used to change relative horizontal position angle, pitch angle and distance between tested platform used to support the tested object and the reference platform. It can be detected that tested infrared transmitter if transmitting signals in transmission range with preset horizontal position angle, pitch angle and distance effectively by monitoring signal transmission of reference infrared transmitter which is fit on the reference platform and used to transmit signal to or from the tested object.
Description
The present invention relates to a kind of automatic test device, be meant a kind of automatic testing equipment of infrared transmitter of the effective transmission performance data in order to the testing infrared ray transmitter especially.
Quick progress and development along with mechanics of communication and communication product, communication modes is by the wireless telecommunications of traditional wire communication progress to today, it can be divided into haply and utilizes RF (radio frequency) mode to carry out the transmission of signal or utilize light signal to carry out the transmission of signal, wherein the latter for example uses the infrared transmission assembly, infrared ray receiving unit or be combined with the infrared transmitter of infrared transmission assembly and receiving unit.And these infrared transmission assemblies or receiving unit also need its effective transmission range is done a test after manufacturing is finished, so that obtain its performance data or carry out the quality control of product.
The traditional infrared transmission assembly or the test event of infrared transmitter all include haply:
Effectively whether 1, the test of horizontal azimuth be in the orientation angles of fan-shaped range in the horizontal direction in order to measure infrared transmitter, transmission signal;
2, whether effectively pitching transmission angle in order to measure infrared transmitter at default luffing angle scope, a transmission signal; And
3, transmission range, in order to measure infrared transmitter different apart from the time signal transmission angle (scope that comprises the azimuth and the angle of pitch).
Tradition is in order to the device of testing infrared ray transmitter, include haply: one in order to carry the tested platform of tested infrared transmitter (being designated hereinafter simply as tested object), one carries out the reference platform of signal to the benchmark infrared transmitter that passes in order to carrying and tested object, and the transceiver controller of the signal of infrared transmitter (as signal generation/detector).The tested platform of this testing apparatus and reference platform must constantly change relative position each other in the process of test, comprise relative azimuth, the relative angle of pitch and relative distance, just can finish the test of aforementioned several test events.But traditional testing apparatus is to be a kind of pure manual testing apparatus, meaning promptly is in the middle of the process of test, the tester must adjust tested platform and reference platform relative position each other in manual mode, and the mechanical type ruler of setting up by tested platform (comprising orientation ruler and angle of pitch ruler), and telescopic supporting construction is carried out the azimuth, the adjustment operation of the angle of pitch and relative distance.Must constantly change tested platform and reference platform relative distance each other at whole test process, and must carry out the adjustment of the azimuth and the angle of pitch more again in each different distance, therefore, whole test process very complicated with inconvenience, and the data of being measured by mechanical ruler are easily because the correctness of interpretation and error to some extent.
The objective of the invention is to propose a kind of automatic testing equipment of the infrared transmitter of forming by tested platform, reference platform, servo-actuating device and automatic controller, it can be under the condition of parameter preset, measure every performance index of infrared transmitter automatically and accurately, thereby solved the existing in prior technology problem.
The technical solution adopted in the present invention is that it includes:
-tested platform, it carries tested object, and this tested platform can be made spinning motion at a datum plane at least, and this tested platform can also do to change the motion of luffing angle with respect to this datum plane;
-reference platform, its carrying is carried out the benchmark infrared transmitter of signal to passing with tested object, the relation that this reference platform is parallel at least each other with this datum plane, and can move;
-servo-actuating device, it can drive this tested platform motion, changes the signal transmission orientation and transmission luffing angle of tested object in this datum plane, and in order to move this reference platform, changes the relative distance between this reference platform and this tested platform; And
-automatic controller, it includes memory bank and programmable driven unit at least, it records test datas such as default azimuth, the angle of pitch and distance, monitor the benchmark infrared transmitter signal transmission situation to each other of tested infrared transmitter and a pair of biography, and drive this servo-actuating device and change this tested platform azimuth, the angle of pitch and the distance relative each other, and the azimuth and the angle of pitch of the effective signal transmission of record under the condition of different distance with this reference platform.
According to seeing in the disclosed preferred embodiment, automatic controller can be achieved by using the programmable controller, cooperate servo-actuating device again based on stepper motor, accurately control tested platform or reference platform and move to correct position and the azimuth or the angle of pitch, so that test condition accurately to be provided, and reach the purpose of automatic test.
Fig. 1 is a structure outside drawing of the present invention;
Fig. 2 is the functional block diagram of structure of the present invention;
Fig. 3 is planar configuration figure of the present invention;
Fig. 4 is planar configuration figure of the present invention, shows when carrying out the azimuth test rotation situation of tested platform;
Fig. 5 is planar configuration figure of the present invention, shows when carrying out the angle of pitch test rotation situation of tested platform;
Fig. 6 is planar configuration figure of the present invention, is presented at different watching and spaces when testing, the mobile situation of reference platform.
Fig. 7 is a testing procedure flow chart of the present invention.
Further specify preferred embodiment of the present invention in conjunction with above-mentioned each accompanying drawing now.
At first see also Fig. 1 to Fig. 3, the automatic testing equipment of disclosed infrared transmitter, mainly be in order to test as infrared assembly, infrared ray receiving unit, or include the infrared transmitter of infrared assembly and infrared ray receiving unit; This automatic testing equipment includes: a tested platform 10, it has one first loading end 11 at least in order to carry tested infrared transmitter or assembly (being designated hereinafter simply as tested object), tested platform 10 can be made spinning motion at an imaginary datum plane P at least, tested platform 10 can also do to change the motion of luffing angle with respect to this datum plane P, preferable example then is that first load plane 11 is a copline with datum plane P, or the relation of keeping parallelism each other;
One reference platform 20, have one second loading end 21 equally and carry out the benchmark infrared transmitter of signal passing in order to carrying and tested object, and preferable example be second loading end 21 of this reference platform 20 is coplanar relation with datum plane P, and can move (for example Y direction) in the single axial direction of datum plane P, in order to change the relative distance of reference platform 20 and tested platform 10; And another preferable example then is that second loading end 21 is parallel to each other at least with datum plane P;
-servo-actuating device 30, in order to drive tested platform 10 motions, change the signal transmission azimuth and transmission luffing angle of tested object, and, change the relative distance on datum plane P between reference platform 20 and this tested platform 10 in order to moving reference platform 20 in datum plane P;
-automatic controller 40, at least include memory bank 41 and programmable driven unit 42, it records the data of the default azimuth of different test conditions, the angle of pitch and distance, monitor tested infrared transmitter and the benchmark infrared transmitter signal to each other that passes is transmitted situation, and driving speech clothes driving mechanism 30 changes tested platform 10 azimuth, the angle of pitch and the distance relative each other with reference platform 20.
Wherein tested platform 10 and reference platform 20, be respectively arranged with in order to the tested infrared transmitter of clamping or the checking machine of assembly, mate for the infrared transmitter of enough and different types again, so preferable mode is to adopt removable design, so that optionally change different checking machines.
Aforesaid servo-actuating device includes at least:
-azimuth driving mechanism 31 is made spinning motion in order to drive tested platform 10 at datum plane P;
-angle of pitch driving mechanism 32 does to change the motion of luffing angle in order to drive tested platform 10 with respect to datum plane P; And
-travel mechanism 33 moves at datum plane P in order to promote reference platform 20, in order to change the relative distance (for example relative distance on the Y direction of datum plane P) between reference platform 20 and the tested platform 10.
As shown in Figures 2 and 3, azimuth driving mechanism 31 and angle of pitch driving mechanism 32, basic embodiment forms by stepper motor 36 and reducing gear 34, the mode of the step angle by control step motor 36, the speed reducing ratio that cooperates reducing gear 34 just can drive tested platform 20 by reducing gear 34 and move to the default azimuth or the position of the angle of pitch.And the preferred embodiment of reducing gear 34 then can be used the reducing gear of gear type or the reducing gear of worm-and-wheel.Wherein azimuth driving mechanism 31 is the main bodys 50 (as framework or casing) that are fixed at testing apparatus, in order to support a carrier 35, angle of pitch driving mechanism 32 then is that device is on this carrier 35, in order to support the angle of pitch of tested platform 10 and change tested platform 20.Therefore, programmable driven unit 42 by automatic controller 40, just can drive the azimuth angle theta 1 that azimuth driving mechanism 31 changes tested platform 10 respectively, as shown in Figure 4, or drive the pitching angle theta 2 that angle of pitch driving mechanism 32 changes tested platform 10, as shown in Figure 5, wherein alleged azimuth, be illustrated in figure 4 as example, or drive the pitching angle theta 2 that angle of pitch driving mechanism 32 changes tested platform 10, as shown in Figure 5, wherein alleged azimuth, be illustrated in figure 4 as example, the Y ' that is meant tested platform 10 axially with the Y-axis of the datum plane P angle between towards each other, and generally speaking default azimuthal scope is to be distributed in (for example azimuth coverage is ± 20 °) between the equivalent positive and negative angle; As for the angle of pitch, be example with Fig. 5, be meant first loading end 11 of tested platform 10 and the angle between the datum plane P, in like manner, default angle of pitch scope is to be distributed in (for example angle of pitch scope is for ± 10 °) between the equivalent positive and negative angle.
Preferred embodiment structure as for travel mechanism 33, can be as shown in Figures 2 and 3, it includes: the reducing gear 332 that a stepper motor 331, is driven by stepper motor 331, and one be arranged at the main body 50 (as framework or casing) of testing apparatus and the expansion link 333 that is driven by reducing gear 332.Another end at expansion link 333 then is equipped with aforesaid reference platform 20, therefore, same programmable driven unit 42 by automatic controller 40, just can drive expansion link 333 elongations or the shortening of travel mechanism 33, in order to change relative distance between reference platform 20 and the tested platform 10, as shown in Figure 6, and the preferred embodiment of this expansion link 333 is to be provided with together axially extended tooth bar 334, gets final product in order to the gears engaged with reducing gear 332.
See also Fig. 7 at last, it is a testing procedure flow chart of the present invention, and its key step includes:
The conditional parameter of A, setting test; The conditional parameter that sets in this step includes:
1, Ce Shi distance range, and travel mechanism changes the change amount of distance each time;
2, azimuthal scope, and azimuth driving mechanism changes azimuthal change amount each time;
3, the scope of the angle of pitch, and angle of pitch driving mechanism changes the change amount of the angle of pitch each time; And
4, change the blanking time of the action of position each time, all need some time, so be greater than the required time of finishing the signal transmission each time this blanking time at least because infrared transmitter is finished the transmission of signal each time.
For example: when transmission range was 20CM, azimuthal scope was ± 35 °, and the scope of the angle of pitch is ± 50 °.
When transmission range was 100CM, azimuthal scope was ± 15 °, and the scope of the angle of pitch is ± 20 °.
B, change tested platform and reference platform relative distance each other;
C, carry out azimuthal test, and the result of record test;
D, carry out the test of the angle of pitch, and the result of record test;
If when E does not surpass default distance range when the relative distance of Pretesting, return step B, otherwise carry out next step; And
F, end test are also sent the message that tests.
And the test of aforesaid step B and step C, mainly be according to the test condition parameters that sets in the steps A, one by one infrared transmitter is carried out the signal test transmission of the different azimuths and the different angle of pitch, so step B comes down to identical with the detailed step of step C, it is the parameter difference of test condition, now the detailed step with step C is that example work one is described as follows, and it includes:
The azimuth of C1, the current tested platform of change;
C2, wait for one period default blanking time;
If the transmission of the signal of C3 infrared transmitter is effective or normal, then is back to step C1, otherwise carries out next step;
If the current azimuth of C4 does not surpass default azimuth coverage, then indicating this infrared transmitter is defective item (NG), and writes down current distance and bearing data, otherwise carries out next step; And
C5, to indicate this infrared transmitter be qualified product, and write down current distance and the preceding azimuthal data of test position.
As for aforementioned default every test condition parameters, in the control formula of can writing direct, can certainly pass through increases tool input units 43 (for example recording medium such as keyboard or magnetic tape station/CD-ROM device reading device) at automatic controller 40, and display 44 (for example LCD) is imported needed test condition parameters at any time for operating personnel.
Therefore, by aforesaid testing procedure, automatic testing equipment just can predict the performance data of each infrared transmitter transmission signal step by step, or whether its quality reaches the standard of qualified product, if for improving the test speed and the efficient of this automatic testing equipment, the equipment that certainly cooperates full-automatic charging/material returned, the full-automatic testing equipment that constitutes a kind of automatic test and carry out the screening of qualified product and defective item.
Though oneself discloses technological means of the present invention as above by aforesaid preferred embodiment; right its is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; when the change that can do some a little and retouching, so protection scope of the present invention is when looking being as the criterion that accompanying Claim book protection range defined.
Claims (15)
1, a kind of automatic testing equipment of infrared transmitter in order to the benchmark infrared transmitter of testing a tested infrared transmitter and a pair of biography effective data of the relative position of transmission to each other, is characterized in that it includes:
-tested platform, it carries tested object, and this tested platform can be made spinning motion at a datum plane at least, and this tested platform can also do to change the motion of luffing angle with respect to this datum plane;
-reference platform, its carrying is carried out the benchmark infrared transmitter of signal to passing with tested object, the relation that this reference platform is parallel at least each other with this datum plane, and can move;
-servo-actuating device, it can drive this tested platform motion, changes the signal transmission orientation and transmission luffing angle of tested object in this datum plane, and in order to move this reference platform, changes the relative distance between this reference platform and this tested platform; And
-automatic controller, it includes memory bank and programmable driven unit at least, it records test datas such as default azimuth, the angle of pitch and distance, monitor the benchmark infrared transmitter signal transmission situation to each other of tested infrared transmitter and a pair of biography, and drive this servo-actuating device and change this tested platform azimuth, the angle of pitch and the distance relative each other, and the azimuth and the angle of pitch of the effective signal transmission of record under the condition of different distance with this reference platform.
2, the automatic testing equipment of infrared transmitter according to claim 1 is characterized in that described servo-actuating device, and it includes:
-azimuth driving mechanism, it has a stepper motor and a reducing gear, drives this tested platform in this datum plane rotation by it;
-angle of pitch driving mechanism, it has a stepper motor and a reducing gear, drives this tested platform makes to change luffing angle with respect to this datum plane motion by it; And
-travel mechanism promotes this reference platform by it and moves, and changes the relative distance between this reference platform and this tested platform.
3, the automatic testing equipment of infrared transmitter as claimed in claim 2 is characterized in that described reducing gear, and it is a gear type deceleration machinery.
4, the automatic testing equipment of infrared transmitter as claimed in claim 2 is characterized in that described travel mechanism, the reducing gear that it is driven by this stepper motor by a stepper motor,, and an expansion link that is driven by this reducing gear is formed.
5, as the automatic testing equipment of infrared transmitter as described in the claim 4, it is characterized in that described expansion link, it has a tooth bar and the engagement of this reducing gear in coaxial extension at least.
6, as the automatic testing equipment of infrared transmitter as described in the claim 4, it is characterized in that described reducing gear, it is a gear type reducing gear.
7, the automatic testing equipment of infrared transmitter according to claim 1 is characterized in that described automatic controller, and it is to be a kind of programmable controller.
8, the automatic testing equipment of infrared transmitter according to claim 1, it is characterized in that described automatic controller, its memory bank records a plurality of default range data, move this reference platform successively according to this range data, cause this reference platform and this tested platform to remain on the position of this predeterminable range each other.
9, as the automatic testing equipment of infrared transmitter as described in the claim 8, it is characterized in that described automatic controller, it is when this reference platform and this tested platform remain on the position of this predeterminable range each other, in an azimuth coverage value of presetting, change this azimuth in regular turn, and test the bearing data of its signal transmission.
10, as the automatic testing equipment of infrared transmitter as described in the claim 9, it is characterized in that described automatic controller, its memory bank also records default value blanking time, and wantonly two the adjacent changes of control are poor greater than being worth this blanking time this azimuthal operate time.
11, as the automatic testing equipment of infrared transmitter as described in the claim 8, it is characterized in that described automatic controller, it is when this reference platform and this tested platform remain on the position of this predeterminable range each other, in an angle of pitch value range of presetting, change this angle of pitch in regular turn, and test the pitch angle data of its mark transmission.
12, as the automatic testing equipment of infrared transmitter as described in the claim 11, it is characterized in that described automatic controller, its memory bank also records default value blanking time, and the operate time of wantonly two adjacent these angles of pitch of change of control is poor greater than being worth in this blanking time.
13, the automatic testing equipment of infrared transmitter according to claim 1 is characterized in that described automatic controller, and it also includes the input unit that can import the change amount of this distance for operating personnel.
14, the automatic testing equipment of infrared transmitter according to claim 1 is characterized in that described automatic controller more includes the input unit that can import this azimuthal change amount and angular range for operating personnel.
15, as the automatic testing equipment of infrared transmitter as described in the claim scope 1, wherein this automatic controller more includes one and can import the change amount of this angle of pitch and the input unit of angular range for operating personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001208349A CN1174567C (en) | 2000-08-02 | 2000-08-02 | Autotest means for infrared transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001208349A CN1174567C (en) | 2000-08-02 | 2000-08-02 | Autotest means for infrared transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1336734A true CN1336734A (en) | 2002-02-20 |
| CN1174567C CN1174567C (en) | 2004-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001208349A Expired - Fee Related CN1174567C (en) | 2000-08-02 | 2000-08-02 | Autotest means for infrared transmission device |
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| Country | Link |
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| CN (1) | CN1174567C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364334C (en) * | 2003-11-13 | 2008-01-23 | 乐金电子(中国)研究开发中心有限公司 | Monitoring system and its method using mobile communication terminal dead angle area |
| CN108917699A (en) * | 2018-06-05 | 2018-11-30 | 格力电器（武汉）有限公司 | Receiving head angle testing device |
| CN111524342A (en) * | 2020-05-06 | 2020-08-11 | 上海创功通讯技术有限公司 | Infrared remote control equipment testing device and method |
| CN113049285A (en) * | 2021-03-30 | 2021-06-29 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
-
2000
- 2000-08-02 CN CNB001208349A patent/CN1174567C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364334C (en) * | 2003-11-13 | 2008-01-23 | 乐金电子(中国)研究开发中心有限公司 | Monitoring system and its method using mobile communication terminal dead angle area |
| CN108917699A (en) * | 2018-06-05 | 2018-11-30 | 格力电器（武汉）有限公司 | Receiving head angle testing device |
| CN111524342A (en) * | 2020-05-06 | 2020-08-11 | 上海创功通讯技术有限公司 | Infrared remote control equipment testing device and method |
| CN113049285A (en) * | 2021-03-30 | 2021-06-29 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
| CN113049285B (en) * | 2021-03-30 | 2022-03-08 | 中国农业大学 | Device and method for testing mechanical and transmission performance of variable-diameter centralizer |
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| Publication number | Publication date |
|---|---|
| CN1174567C (en) | 2004-11-03 |
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Granted publication date: 20041103 Termination date: 20100802 |