CN211877231U

CN211877231U - Illuminometer calibrating device

Info

Publication number: CN211877231U
Application number: CN202020747644.8U
Authority: CN
Inventors: 王永辉; 梁松森
Original assignee: Suzhou Lecc Testing Technology Co Ltd
Current assignee: Suzhou Lecc Testing Technology Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-11-06
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses an illuminometer calibrating device, which comprises a base, a first pulley, a second pulley and a third pulley, wherein the first pulley, the second pulley and the third pulley are sequentially arranged at intervals along the length direction of the base; the base is provided with a guide rail and a scale, the first pulley is provided with a light source, the second pulley is provided with a clamp, the third pulley is provided with a laser collimator, the heights of the first pulley, the second pulley and the third pulley are adjustable, and the center position of the light source and the center position of an illuminometer probe on the clamp are on the same straight line. The utility model discloses a to the accurate location of light source and illuminometer, the central point that makes the light source puts and the central point that the illuminometer probed puts and is located same straight line, through the distance that changes light source and illuminometer probed, obtains the illuminometer illumination value of this distance, has improved the examination precision, simultaneously, adopts the anchor clamps of L shape, can place the illuminometer probed of multiple shape, improves the commonality.

Description

Illuminometer calibrating device

Technical Field

The utility model belongs to the technical field of the illuminometer examination, especially, relate to an illuminometer calibrating installation.

Background

Illuminometers are illuminance measuring instruments based on photodetectors, are one of the most used instruments in photometric measurements, and are widely used for illuminance measurement in businesses and factories.

An illuminometer calibration device is an instrument used for calibrating the performance of an illuminometer. It is used together with standard light to ensure the transmission and unification of illumination value.

The existing calibrating device is mostly operated manually, the filament plane and the photometric probe are positioned through the observation of human eyes, the operation variability is large, and the calibrating error is large. Moreover, the illuminometers are produced in a plurality of manufacturers, the shapes of the illuminometers are different, and the fixed clamp is difficult to meet the requirements of instrument verification in reality. Time and labor are consumed, and the verification efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides an illuminometer calibrating installation to solve the problem that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an illuminometer calibrating device comprises a base, and a first pulley, a second pulley and a third pulley which are sequentially arranged along the length direction of the base at intervals; the base is provided with a guide rail and a scale, the first pulley is provided with a light source, the second pulley is provided with a clamp, the third pulley is provided with a laser collimator, the heights of the first pulley, the second pulley and the third pulley are adjustable, and the center position of the light source and the center position of an illuminometer probe on the clamp are on the same straight line.

The utility model discloses a preferred embodiment, first coaster includes the first base, is located first screw rod on the first base and is located the first motion piece of first screw rod one end, be equipped with first screw hole on the first base, first screw rod with first screw hole cooperation.

The utility model discloses a preferred embodiment still includes the barn door, be provided with the light trap on the barn door, the barn door pass through the connecting plate with first motion piece is connected, the light source is located on the first motion piece, the light trap with the light source center is located collinear.

The utility model discloses a preferred embodiment, the second coaster includes the second base, is located second screw on the second base and is located the second motion piece of second screw one end, be equipped with the second screw hole on the second base, the second screw with the cooperation of second screw hole.

In a preferred embodiment of the present invention, the second motion block is provided with a positioning hole, and the fixture is provided with a positioning pin to be engaged with the positioning hole of the second motion block.

The utility model discloses a preferred embodiment, the third coaster includes the third base, is located third screw rod on the third base and is located the third motion piece of third screw rod one end, be equipped with the third screw hole on the third base, the third screw rod with the cooperation of third screw hole.

In a preferred embodiment of the present invention, the laser collimator is located on the third motion block.

In a preferred embodiment of the present invention, the fixture is an L-shaped structure, and the fixture is provided with a through hole, and the center of the through hole and the center of the light source are located on the same straight line.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

the utility model discloses under the mating reaction of base, first coaster, second coaster and third coaster, realized the accurate location to light source and illuminometer, the central point that makes the light source puts and the central point that the illuminometer was surveyed is located same straight line, through the distance that changes light source and illuminometer probe, obtains the illuminometer illuminance value of this distance, has improved the examination precision, and simultaneously, the anchor clamps that adopt L shape can be placed the illuminometer probe of multiple shape, improve the commonality.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

in the figure: 1. a base; 2. a first sled; 3. a second sled; 4. a third sled; 5. a guide rail; 6. a scale; 7. a light source; 8. a clamp; 9. a laser collimator; 10. a light barrier.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1, an illuminometer calibrating device comprises a base 1, and a first pulley 2, a second pulley 3 and a third pulley 4 which are sequentially arranged along the length direction of the base 1 at intervals; be provided with guide rail 5 and scale 6 on the base 1, be provided with light source 7 on the first coaster 2, be provided with anchor clamps 8 on the second coaster 3, be provided with laser collimator 9 on the third coaster 4, the equal height-adjustable of first coaster 2, second coaster 3 and third coaster 4, light source 7 central point puts and the central point of the illuminometer probe on anchor clamps 8 puts on same straight line.

In the present embodiment, the distance between the center of the light source 7 and the center of the illuminometer probe is L, the light emission intensity of the light source 7 is S, and the illuminance of the illuminometer probe is M, where M is 1 ÷ L × S.

Specifically, the illuminometer probe is placed on the clamp 8, then the height of the first pulley 2 and the height of the second pulley 3 are adjusted, so that the center of the light source 7 and the center of the illuminometer probe are located on the same straight line, the laser collimator 9 can detect whether the center of the light source 7 and the center of the illuminometer probe are located on the same straight line, and after positioning is completed, numerical values of a plurality of distances L are selected to obtain standard values of illuminance of the illuminometer probe under different distance conditions.

In this embodiment, the first pulley 2 includes first base 1, is located the first screw rod on the first base 1 and is located the first motion piece of first screw rod one end, is equipped with first screw hole on the first base 1, and first screw rod and the cooperation of first screw hole, first screw rod can go up and down, and then realizes the lift of light source 7.

In this embodiment, the calibration device further includes a light barrier 10, a light hole is formed in the light barrier 10, the light barrier 10 is connected to the first moving block through a connecting plate, the light source 7 is located on the first moving block, the light hole and the center of the light source 7 are located on the same line, and the light barrier 10 is used for blocking other scattered light emitted by the light source 7, so as to ensure the calibration accuracy.

In this embodiment, the second pulley 3 includes the second base 1, is located the second screw on the second base 1 and is located the second motion piece of second screw one end, is equipped with the second screw hole on the second base 1, and the second screw cooperates with the second screw hole, and the second screw can go up and down, realizes the lift of anchor clamps 8.

Specifically, the second motion block is provided with a positioning hole, and the clamp 8 is provided with a positioning pin matched with the positioning hole on the second motion block.

In this embodiment, the third pulley 4 includes the third base 1, is located the third screw rod on the third base 1 and is located the third motion piece of third screw rod one end, is equipped with the third screw hole on the third base 1, and the third screw rod cooperates with the third screw hole, and the third screw rod can go up and down, and then realizes the lift of laser collimator 9.

In particular, the laser collimator 9 is located on the third motion block.

In this embodiment, the fixture 8 is an L-shaped structure, and the fixture 8 is provided with a through hole, and the center position of the through hole and the center position of the light source 7 are located on the same straight line.

In summary, the utility model discloses under the mating reaction of base 1, first coaster 2, second coaster 3 and third coaster 4, realized the accurate location to light source 7 and illuminometer, the central point that makes light source 7 puts and the central point of illuminometer probe is located same straight line, through the distance that changes light source 7 and illuminometer probe, obtain the illuminometer illuminance value of this distance, the accuracy of examining and determine is improved, simultaneously, adopt the anchor clamps 8 of L shape, can place the illuminometer probe of multiple shape, improve the commonality.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An illuminometer calibrating device is characterized by comprising a base, a first pulley, a second pulley and a third pulley, wherein the first pulley, the second pulley and the third pulley are sequentially arranged along the length direction of the base at intervals; the base is provided with a guide rail and a scale, the first pulley is provided with a light source, the second pulley is provided with a clamp, the third pulley is provided with a laser collimator, the heights of the first pulley, the second pulley and the third pulley are adjustable, and the center position of the light source and the center position of an illuminometer probe on the clamp are on the same straight line.

2. The illuminometer calibrating apparatus as recited in claim 1, wherein the first carriage comprises a first base, a first screw rod disposed on the first base, and a first motion block disposed at one end of the first screw rod, the first base is provided with a first threaded hole, and the first screw rod is engaged with the first threaded hole.

3. The illuminometer calibrating device according to claim 2, further comprising a light barrier, wherein the light barrier is provided with a light transmission hole, the light barrier is connected with the first motion block through a connecting plate, the light source is positioned on the first motion block, and the light transmission hole and the center of the light source are positioned on the same straight line.

4. The illuminometer calibrating apparatus as recited in claim 1, wherein the second carriage comprises a second base, a second screw rod disposed on the second base, and a second motion block disposed at one end of the second screw rod, the second base is provided with a second threaded hole, and the second screw rod is engaged with the second threaded hole.

5. The illuminometer calibrating apparatus according to claim 4, wherein the second motion block is provided with a positioning hole, and the clamp is provided with a positioning pin which is matched with the positioning hole of the second motion block.

6. The illuminometer calibrating apparatus as recited in claim 1, wherein the third pulley comprises a third base, a third screw rod disposed on the third base, and a third motion block disposed at one end of the third screw rod, the third base is provided with a third threaded hole, and the third screw rod is engaged with the third threaded hole.

7. An illuminometer calibration device as claimed in claim 6 wherein the laser collimator is located on the third kinematic block.

8. The illuminometer calibrating apparatus according to claim 1, wherein the jig is an L-shaped structure, the jig is provided with a through hole, and the center position of the through hole and the center position of the light source are located on the same straight line.