CN201716018U - Distance measuring device - Google Patents
Distance measuring device Download PDFInfo
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- CN201716018U CN201716018U CN2010202316167U CN201020231616U CN201716018U CN 201716018 U CN201716018 U CN 201716018U CN 2010202316167 U CN2010202316167 U CN 2010202316167U CN 201020231616 U CN201020231616 U CN 201020231616U CN 201716018 U CN201716018 U CN 201716018U
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- light source
- laser light
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- calibrating element
- phase place
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Abstract
The utility model provides a distance measuring device, comprising a first calibrating element, a second calibrating element, first to fourth laser sources, and an angle regulating element, wherein the first laser source is arranged on the first calibrating element; the first laser source emits the light beam to the phase middle point of a first antenna along the first axis line vertical to the reference plane; the second laser source is arranged on the first calibrating element; the second laser source emits the light to the first position on the reference plane along the first axis line; the third laser source is arranged on the second calibrating element; the third laser source emits the light beam to the phase middle point of the second antenna along the second axis line vertical to the reference plane; the angle regulating element is hinged with the second calibrating element; the fourth laser source is arranged on the angle regulating element; and the fourth laser source emits the light beam to the first position of the reference plane along the third axis line.
Description
Technical field
The utility model relates to a kind of measuring equipment, relates in particular to a kind of distance measuring device.
Background technology
In the evaluation criteria of various electronic products, all kinds of audio-visual household electrical appliances such as PC, TV, sound equipment such as, (electromagnetic compatibility EMC) is the index of quality of a key to electromagnetic compatibility.Because the signaling rate of electronic installation is more and more fast, to such an extent as to be arranged at the electronic component of electronic installation inside, the electromagnetic interference (EMI) that itself caused can be more serious, and then influence the normal operation of electronic installation.Therefore, in modern advanced country, the assessment report of electromagnetic compatibility is more and more paid attention to.
The method that measures EMC is according to (the International ElectrotechnicalCommission of International Electrotechnical Commission, IEC) standard of being announced is as the reference foundation, explanation far field testing standard is at 10 meters of distance tested object in this standard, measures the radio field intensity value of tested object.Testing apparatus need comprise respectively in order to emission and receive electromagnetic antenna, when testing, needs position described two antennas, so that have specific range between two antennas to meet described standard.If calibrate with the distance that manual method uses meter ruler to measure between two antennas, the easy true problem of generation indeterminacy.
The utility model content
The utility model provides a kind of distance measuring device, can accurately measure the distance between two antennas.
The utility model proposes a kind of distance measuring device, be suitable for the distance between first antenna and second antenna is calibrated.The distance measuring device comprises first calibrating element, first LASER Light Source, second LASER Light Source, second calibrating element, the 3rd LASER Light Source, angular setting element and the 4th LASER Light Source.First LASER Light Source is disposed at first calibrating element, and wherein first LASER Light Source emits beam to the phase place mid point of first antenna along the first axle perpendicular to reference planes.Second LASER Light Source is disposed at first calibrating element, and wherein second LASER Light Source is along emit beam primary importance to reference planes of first axle.The 3rd LASER Light Source is disposed at second calibrating element, and wherein the 3rd LASER Light Source emits beam to the phase place mid point of second antenna along second axis perpendicular to reference planes.The angular setting element is hubbed at second calibrating element.The 4th LASER Light Source is disposed at the angular setting element, and wherein the 4th LASER Light Source is along emit beam primary importance to reference planes of the 3rd axis.
In an embodiment of the present utility model, above-mentioned distance measuring device more comprises the 5th LASER Light Source and the 6th LASER Light Source.The 5th LASER Light Source is disposed at first calibrating element, and wherein the 5th LASER Light Source is along the second place that emits beam perpendicular to the four axistyle of reference planes to first antenna.The 6th LASER Light Source is disposed at second calibrating element, wherein the 6th LASER Light Source is along the 3rd position that emits beam perpendicular to the 5th axis of reference planes to second antenna, the phase place mid point of first antenna, the phase place mid point of second antenna, the second place and the 3rd position conllinear.
In an embodiment of the present utility model, the first above-mentioned calibrating element has the light source loading structure, and wherein first LASER Light Source and second LASER Light Source are disposed at the relative both sides of light source loading structure respectively.
In an embodiment of the present utility model, above-mentioned angular setting element is articulated in second calibrating element along rotating shaft, and rotating shaft is passed through and vertical second axis.
In an embodiment of the present utility model, above-mentioned rotating shaft is passed through and vertical the 3rd axis.
Based on above-mentioned, the configurable ad-hoc location on second calibrating element of angular setting element of the present utility model is so that have specific range between angular setting element and the reference planes.The angular setting element can be relative second calibrating element pivot and adjust light that the 4th LASER Light Source sends and the angle between the reference planes.Under described specific range and angle are known situation, can calculate distance between the first axle and second axis by trigonometric function, and can be with first axle and second axis respectively to the phase place mid point that is positioned at first antenna and the phase place mid point of second antenna, so that the distance between the phase place mid point of the phase place mid point of first antenna and second antenna is adjusted to right value exactly.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the distance measuring schematic representation of apparatus of the utility model one embodiment.
Reference numeral:
50: the first antennas; 52,62: the phase place mid point; 60: the second antennas;
100: the distance measuring device; 110: the first calibrating elements; 112: the light source loading structure;
120: the second calibrating elements; 130: the first LASER Light Source; 140: the second LASER Light Source;
150: the three LASER Light Source; 160: the four LASER Light Source; 170: the angular setting element;
180: the five LASER Light Source; 190: the six LASER Light Source; A1: first axle;
A2: second axis; A3: the 3rd axis; A4: four axistyle;
A5: the 5th axis; A6: rotating shaft; D1, D2: distance;
L1: primary importance; L2: the second place; L3: the 3rd position;
P: reference planes; θ: angle.
Embodiment
Fig. 1 is the distance measuring schematic representation of apparatus of the utility model one embodiment.Please refer to Fig. 1, the distance measuring device 100 of present embodiment is suitable for the distance between first antenna 50 and second antenna 60 is calibrated.First antenna 50 and second antenna 60 for example be electromagnetic compatibility (electromagneticcompatibility, EMC) in the test respectively in order to emission and receive electromagnetic antenna.Distance measuring device 100 comprises first calibrating element 110, second calibrating element 120, first LASER Light Source 130, second LASER Light Source 140, the 3rd LASER Light Source 150, the 4th LASER Light Source 160 and angular setting element 170.
First LASER Light Source 130 is disposed at first calibrating element 110, and wherein first LASER Light Source 130 emits beam to the phase place mid point 52 of first antenna 50 along the first axle A1 perpendicular to reference planes P.Second LASER Light Source 140 is disposed at first calibrating element 110, and wherein second LASER Light Source 140 is along emit beam primary importance L1 to reference planes P of first axle A1.The 3rd LASER Light Source 150 is disposed at second calibrating element 120, and wherein the 3rd LASER Light Source 150 emits beam to the phase place mid point 62 of second antenna 60 along the second axis A2 perpendicular to reference planes P.Angular setting element 170 is hubbed at second calibrating element 120.The 4th LASER Light Source 160 is disposed at angular setting element 170, and wherein the 4th LASER Light Source 160 is along emit beam primary importance L1 to reference planes P of the 3rd axis A3.
By above-mentioned configuration mode, can proofread and correct the distance between the phase place mid point 62 of the phase place mid point 52 of first antenna 50 and second antenna 60.For instance, after the user is placed in reference planes P with first antenna 50 and second antenna 60, first calibrating element 110 and second calibrating element 120 can be put to position shown in Figure 1, and the light (coinciding with first axle A1) that first LASER Light Source 130 is sent is aimed at the phase place mid point 52 of first antenna 50, and the light (coinciding with the second axis A2) that the 3rd LASER Light Source 150 is sent is aimed at the phase place mid point 62 of second antenna 60.
Then, relative second calibrating element, 120 rotational angles are adjusted element 170, and to adjust the light direction of the 4th LASER Light Source 160, the light (coinciding with the 3rd axis A3) that the 4th LASER Light Source 160 is sent is aimed at the primary importance L1 on the reference planes P.Owing to the second axis A2 can be learnt by the rotational angle of angular setting element 170 relative second calibrating elements 120 with the angle theta between the 3rd axis A3, and the distance D 1 between angular setting element 170 positions (intersection point of the second axis A2 and the 3rd axis A3) and the reference planes P can determine that therefore the distance D 2 (distance between the first axle A1 and the second axis A2) between the phase place mid point 62 of the phase place mid point 52 of first antenna 50 and second antenna 60 can be calculated by trigonometric function and get by the allocation position of angular setting element 170.Calculating formula for example is tan θ=D2/D1.
At this moment, if the distance D 2 between the phase place mid point 62 of the phase place mid point 52 of first antenna 50 and second antenna 60 is the desired right value of user (for example 10 meters), then can begin to carry out electromagnetic compatibility (electromagnetic compatibility, EMC) test by first antenna 50 and second antenna 60.On the other hand, if the distance D 2 between the phase place mid point 62 of the phase place mid point 52 of first antenna 50 and second antenna 60 is not to use the desired right value of person, then can adjust the distance between first antenna 50 and second antenna 60, and correspondingly adjust the position of first calibrating element 110, the position of second calibrating element 120 and the pivoting angle of angular setting element 170, be the desired right value of user up to the distance D 2 that calculates.
Certainly, the user also can be in the position of the position of determining first calibrating element 110, second calibrating element 120 and the distance D that pivoting angle drew 2 of angular setting element 170 for after the right value, 52 pairs at phase place mid point with first antenna 50 is positioned at the light that first LASER Light Source 130 is sent again, and 62 pairs at the phase place mid point of second antenna 60 is positioned at the light that the 3rd LASER Light Source 150 is sent, be the desired right value of user with the distance between the phase place mid point 62 of the phase place mid point 52 of determining first antenna 50 and second antenna 60.
Specifically, in the present embodiment, distance measuring device 100 more comprises the 5th LASER Light Source 180 and the 6th LASER Light Source 190.The 5th LASER Light Source 180 is disposed at first calibrating element 110, and wherein the 5th LASER Light Source 180 is along emit beam second place L2 to first antenna 50 of the four axistyle A4 perpendicular to reference planes P.The 6th LASER Light Source 190 is disposed at second calibrating element 120, and wherein the 6th LASER Light Source 190 is along emit beam the 3rd position L3 to second antenna 60 of the 5th axis A5 perpendicular to reference planes P.The location of the light that is sent by first LASER Light Source 130, the 3rd LASER Light Source 150, the 5th LASER Light Source 180 and the 6th LASER Light Source 190, the phase place mid point 52 of first antenna 50, phase place mid point 62, second place L2 and the 3rd position L3 of second antenna 60 are controlled to be conllinear, can guarantee first antenna 50 and second antenna 60 each other over against.
More specifically, in the present embodiment, first calibrating element 110 has light source loading structure 112, first LASER Light Source 130 and second LASER Light Source 140 are disposed at the relative both sides of light source loading structure 112 respectively, with the phase place mid point 52 that is incident upon first antenna 50 along first axle A1 toward opposite direction respectively and the primary importance L1 on the reference planes P.
In addition, the angular setting element 170 of present embodiment is articulated in second calibrating element 120 along rotating shaft A6, and its shaft A6 is by the second axis A2 and the vertical second axis A2, and rotating shaft A6 is by the 3rd axis A3 and vertical the 3rd axis A3.So can make the axle center and the distance between the reference planes P of angular setting element 170 be described distance D 1, and the angle between the angular setting element 170 and second calibrating element 120 is the angle theta between the second axis A2 and the 3rd axis A3, can make distance D 1 comparatively convenient with obtaining of angle theta by this.
In sum, the configurable ad-hoc location on second calibrating element of angular setting element of the present utility model is so that have specific range between angular setting element and the reference planes.The angular setting element can be relative second calibrating element pivot and adjust light that the 4th LASER Light Source sends and the angle between the reference planes.Under described specific range and angle are known situation, can calculate distance between the first axle and second axis by trigonometric function, and can be with first axle and second axis respectively to the phase place mid point that is positioned at first antenna and the phase place mid point of second antenna, so that the distance between the phase place mid point of the phase place mid point of first antenna and second antenna is adjusted to right value exactly.In addition, the location of the light that sends by first LASER Light Source, the 3rd LASER Light Source, the 5th LASER Light Source and the 6th LASER Light Source, with the phase place mid point of first antenna, the phase place mid point of second antenna, the second place and the 3rd position control on second antenna on first antenna is conllinear, can guarantee first antenna and second antenna each other over against.
Though the utility model discloses as above with embodiment; but it is not in order to limit the utility model; any person of ordinary skill in the field; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, so protection domain of the present utility model is when being as the criterion with the scope that claim was defined.
Claims (5)
1. a distance measuring device is suitable for the distance between one first antenna and one second antenna is calibrated, and this distance measuring device comprises:
One first calibrating element;
One first LASER Light Source is disposed at this first calibrating element, and wherein this first LASER Light Source emits beam to the phase place mid point of this first antenna along the first axle perpendicular to reference planes;
One second LASER Light Source is disposed at this first calibrating element, and wherein this second LASER Light Source is along emit beam a primary importance to these reference planes of this first axle;
One second calibrating element;
One the 3rd LASER Light Source is disposed at this second calibrating element, and wherein the 3rd LASER Light Source emits beam to the phase place mid point of this second antenna along one second axis perpendicular to these reference planes;
One angular setting element is hubbed at this second calibrating element;
And one the 4th LASER Light Source, be disposed at this angular setting element, wherein the 4th LASER Light Source is along emit beam this primary importance to these reference planes of one the 3rd axis.
2. distance measuring device according to claim 1 is characterized in that, more comprises:
One the 5th LASER Light Source is disposed at this first calibrating element, and wherein the 5th LASER Light Source is along a second place that emits beam perpendicular to a four axistyle of these reference planes to this first antenna;
And one the 6th LASER Light Source, be disposed at this second calibrating element, wherein the 6th LASER Light Source is along one the 3rd position that emits beam perpendicular to one the 5th axis of these reference planes to this second antenna, the phase place mid point of this first antenna, the phase place mid point of this second antenna, this second place and the 3rd position conllinear.
3. distance measuring device according to claim 1 is characterized in that, wherein this first calibrating element has a light source loading structure, and wherein this first LASER Light Source and this second LASER Light Source are disposed at the relative both sides of this light source loading structure respectively.
4. distance measuring device according to claim 1 is characterized in that, wherein this angular setting element is articulated in this second calibrating element along a rotating shaft, this rotating shaft by and vertical this second axis.
5. distance measuring device according to claim 4 is characterized in that, wherein this rotating shaft by and vertical the 3rd axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202316167U CN201716018U (en) | 2010-06-17 | 2010-06-17 | Distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202316167U CN201716018U (en) | 2010-06-17 | 2010-06-17 | Distance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716018U true CN201716018U (en) | 2011-01-19 |
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ID=43462022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202316167U Expired - Fee Related CN201716018U (en) | 2010-06-17 | 2010-06-17 | Distance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705945A (en) * | 2016-12-19 | 2017-05-24 | 四川九洲电器集团有限责任公司 | Measuring device and antenna alignment system |
-
2010
- 2010-06-17 CN CN2010202316167U patent/CN201716018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705945A (en) * | 2016-12-19 | 2017-05-24 | 四川九洲电器集团有限责任公司 | Measuring device and antenna alignment system |
| CN106705945B (en) * | 2016-12-19 | 2023-05-16 | 四川九洲电器集团有限责任公司 | Measuring device and antenna alignment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20140617 |
|
| EXPY | Termination of patent right or utility model |