CN208140348U - The device for quick testing of harmful radiation - Google Patents

Abstract

A rapid testing device for harmful radiation, comprising a probe, a probe bracket, a lens bracket, a light source bracket and a base, the probe bracket, the lens bracket and the light source bracket are respectively arranged on the base, and the probe, the lens and the light source under test are respectively arranged on the probe On the top of the bracket, the lens bracket and the light source bracket, a grating is set between the lens and the light source to be measured, a rotation space is set on the lens fixing platform of the lens bracket, and vertical shafts communicating with the rotation space are arranged on the lens fixing platform. Straight installation hole and horizontal rotation hole, the eccentric wheel is set in the rotation space and rotates in the rotation space, one end of the rotation shaft is set in the horizontal rotation hole and connected with the eccentric wheel, and the other end of the rotation shaft is located on the side wall of the lens fixing table On, the upper end of the ejector rod is connected with the lens, the lower part of the ejector rod is inserted into the vertical mounting hole, and the lower end of the ejector rod leans against the side wall of the eccentric wheel. The utility model has the advantages of simple structure, convenient adjustment of the height of the lens, convenient replacement of the lens and the like.

Description

Rapid Test Set for Harmful Radiation

technical field

The utility model relates to the technical field of radiation testing devices, in particular to a rapid testing device for harmful radiation.

Background technique

In the traditional method of testing laser and light-emitting diode radiation, one way is to hold the light source under test and the probe respectively by hand. This method has certain defects, and the hand may shake during the test. If the length of the hand is too long, the hands are prone to fatigue, and the test has to be replaced, and the test effect is low; in addition, it is difficult to ensure that the centers of the two are on the same straight line when the light source and the probe are held in hand. If the centers of the two are not on the same straight line, the test will fail. It cannot be carried out. This test method is too much affected by human factors, and the test results are inaccurate, time-consuming and labor-intensive.

In order to solve the above problems, people have invented a laser and light-emitting diode radiation testing system, including a probe, a probe bracket, a lens bracket, a light source bracket and a base, and the probe bracket, the lens bracket and the light source bracket are respectively arranged on the base, and the probe, The lens and the light source under test are arranged on the top of the probe bracket, the lens bracket and the light source bracket respectively, and a grating is arranged between the lens and the light source under test. , the knob of the fine-tuning mechanism, a pair of side knobs and a pair of vertical rods, the connecting seat is provided with two through holes, the vertical rods pass through the two through holes respectively and are connected to the lens holder, the knobs are arranged on the opposite sides of the connecting seat, and the fine-tuning The mechanism knob is arranged on the top of the screw rod, and the lower end of the screw rod is connected with the lens. When the fine-tuning mechanism knob is turned, the first screw rod moves up and down to fine-tune the position of the lens. It can be seen from this that the lens holder in the prior art has a complicated structure, and it is inconvenient to adjust the height of the lens, and it is also inconvenient to replace the lens.

Utility model content

In order to overcome the above problems, the utility model provides a rapid testing device for harmful radiation with simple structure, convenient adjustment of the height of the lens and convenient replacement of the lens.

The technical scheme of the utility model is to provide a rapid testing device for harmful radiation, including a probe, a probe bracket, a lens bracket, a light source bracket and a base, and the probe bracket, the lens bracket and the light source bracket are respectively arranged on On the base, the probe, the lens and the light source under test are arranged on the top ends of the probe bracket, the lens bracket and the light source bracket respectively, and a The grating is provided with a rotating space on the lens fixing table of the lens holder, and a vertical mounting hole and a horizontal rotating hole respectively communicating with the rotating space are arranged on the lens fixing table, and an eccentric wheel is arranged on the In the rotating space and rotating in the rotating space, one end of a rotating shaft is arranged in the horizontal rotating hole and connected with the eccentric wheel, and the other end of the rotating shaft is located on the side wall of the lens fixing table , the upper end of a push rod is connected with the lens, the lower part of the push rod is inserted into the vertical mounting hole, and the lower end of the push rod leans against the side wall of the eccentric wheel; on the lens A storage chamber for storing various lenses is arranged on the fixed table.

As an improvement to the present utility model, the base includes a main guide rail and a branch guide rail, the light source bracket is arranged on the main guide rail through the first main slider, and the branch guide rail is arranged on the main guide rail through the second main slider. On the main rail, the probe bracket is arranged on the branch rail through the first auxiliary slider, and the lens holder is arranged on the branch rail through the second auxiliary slider.

As an improvement to the utility model, the probe bracket includes an XY-axis manual translation mechanism and a probe lifting mechanism, the XY-axis manual translation mechanism includes an X-axis manual translation mechanism and a Y-axis manual translation mechanism, and the X-axis manual translation mechanism includes The first base plate and the first linear guide rail pair arranged on the first base plate, the first linear guide rail pair is provided with a first moving platform driven by the first linear guide rail pair, the Y axis The manual translation mechanism is set on the first mobile platform; the Y-axis manual translation mechanism includes a second base plate and a second linear guide rail pair arranged on the second base plate, and the second linear guide rail pair is provided with a useful The second mobile platform driven by the second linear guide rail pair, the probe lifting mechanism is arranged on the second mobile platform; the X-axis manual translation mechanism and the Y-axis manual translation mechanism are both provided with a screw trimmer , the X-axis manual translation mechanism and the Y-axis manual translation mechanism are both provided with manual locking knobs.

As an improvement to the present utility model, the probe lifting mechanism includes a first sleeve and a first rod, the first sleeve is connected to the second mobile platform, and the first rod is inserted in the first In a sleeve, a first knob for positioning the first rod is provided on the first sleeve, and a probe fixing platform is provided on the top end of the first rod.

As an improvement to the present utility model, the lens holder includes a second sleeve and a second rod, the second sleeve is connected to the second auxiliary slider, and the second rod is inserted in the first In the second sleeve, a second knob for positioning the second sleeve rod is arranged on the second sleeve, and the lens fixing table is arranged on the top end of the second sleeve rod.

As an improvement to the present utility model, the light source bracket includes a third sleeve and a third rod, the third sleeve is connected to the first main slider, and the third rod is inserted in the first In the three sleeves, a third knob for positioning the third sleeve rod is provided on the third sleeve, and a light source fixing platform is provided on the top end of the third sleeve rod.

As an improvement to the present invention, it further includes a lens knob for positioning the ejector rod, and the lens knob is arranged on the lens fixing table.

Because the utility model adopts an eccentric wheel, a vertical mounting hole and a horizontal rotating hole, one end of the rotating shaft is arranged in the horizontal rotating hole and is connected with the eccentric wheel located in the rotating space, and the ejector rod connected with the lens is arranged in the vertical mounting hole. In the hole, and the lower end of the ejector rod is in contact with the side wall of the eccentric wheel, and the rotating shaft drives the eccentric wheel to rotate, thereby adjusting the height of the ejector rod in the vertical direction. It has the advantages of simple structure, convenient adjustment of the height of the lens, and convenient replacement of the lens. .

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model.

FIG. 2 is a schematic diagram of the three-dimensional structure of the XY-axis manual translation mechanism in FIG. 1 .

Among them: 1. Main rail; 11. First main slider; 12. Second main slider; 2. Branch guide rail; 21. First auxiliary slider; 22. Second auxiliary slider; 31. First sleeve ; 32. The first rod; 33. The first knob; 34. The probe fixed table; 41. The second sleeve; 42. The second rod; 43. The second knob; 44. The lens fixed table; 45. The lens; 46. Rotating shaft; 5. Grating; 61. The third sleeve; 62. The third set of rods; 63. The third knob; 64. Light source fixed platform; 100. XY axis manual translation mechanism; ; 111. The first bottom plate; 112. The first linear guide pair; 113. The first mobile platform; 120. Y-axis manual translation mechanism; 121. The second linear guide pair; 122. The second mobile platform; 123. Manual lock Tightening knob; 124. Screw trimmer; 125. Second bottom plate.

Detailed ways

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by "center", "upper", "lower", "front", "rear", "left", "right" etc. in terms is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It should be understood as a limitation of the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a disassembly Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Fig. 1 and Fig. 2. What Fig. 1 and Fig. 2 disclose is a kind of rapid testing device for harmful radiation, including a probe (not drawn), a probe bracket (not marked), a lens bracket (not marked), a light source bracket ( unmarked) and base (unmarked), the probe bracket, the lens bracket and the light source bracket are respectively arranged on the base, the probe, the lens 45 and the light source under test are respectively arranged on the probe On the top of the bracket, the lens bracket and the light source bracket, a grating 5 is arranged between the lens 45 and the light source under test, and the probe, the lens 45, the grating 5 and the light source under test centerlines are on the same straight line.

In this embodiment, the base includes a main guide rail 1 and a branch guide rail 2, the light source bracket is arranged on the main guide rail 1 through a first main slider 11, and the branch guide rail 2 passes through a second main slider 12 It is arranged on the main guide rail 1 , the probe holder is arranged on the branch guide rail 2 through the first auxiliary slider 21 , and the lens holder is arranged on the branch guide rail 2 through the second auxiliary slider 22 .

In this embodiment, the probe holder includes an XY-axis manual translation mechanism 100 (see FIG. 2 ) and a probe lifting mechanism (not marked), and the XY-axis manual translation mechanism 100 includes an X-axis manual translation mechanism 110 and a Y-axis manual translation mechanism 110 . A translation mechanism 120, the X-axis manual translation mechanism 110 includes a first base plate 111 and a first linear guide pair 112 arranged on the first base plate 111, the first linear guide pair 112 is provided with the described The first mobile platform 113 driven by the first linear guide rail pair 112, the Y-axis manual translation mechanism 120 is arranged on the first mobile platform 113, and the Y-axis manual translation mechanism 120 includes a second base plate 125 and is arranged on The second linear guide rail pair 121 on the second bottom plate 125 is provided with a second mobile platform 122 driven by the second linear guide rail pair 121, and the probe lifting mechanism is arranged on the second linear guide rail pair 121. On the second mobile platform 122; the X-axis manual translation mechanism 110 and the Y-axis manual translation mechanism 120 are provided with a screw trimmer 124, and the X-axis manual translation mechanism 110 and the Y-axis manual translation mechanism 120 Both are provided with a manual locking knob 123 .

The probe lifting mechanism includes a first sleeve 31 and a first sleeve rod 32, the first sleeve 31 is connected to the second mobile platform 122, and the first sleeve rod 32 is inserted in the first sleeve In the cylinder 31, a first knob 33 for positioning the first sleeve rod 32 is arranged on the first sleeve 31, and a probe fixing table 34 is arranged on the top end of the first sleeve rod 32. The probe is set on the probe fixing platform 34 .

In this embodiment, the lens holder includes a second sleeve 41 and a second sleeve rod 42, the second sleeve 41 is connected to the second auxiliary slider 22, and the second sleeve rod 42 is inserted in In the second sleeve 41, a second knob 43 for positioning the second sleeve rod 42 is arranged on the second sleeve 41, and the lens fixing table 44 is arranged on the second sleeve rod 42. On the top end, the lens 45 is arranged on the lens fixing table 44 .

A rotating space (not visible in the figure) is provided on the lens fixing platform 44 of the lens holder, and vertical mounting holes (not visible in the figure) respectively communicating with the rotating space are arranged on the lens fixing platform 44 and a horizontal rotating hole (not visible in the figure), an eccentric wheel (not visible in the figure) is arranged in the rotating space and rotates in the rotating space, and one end of a rotating shaft 46 is arranged in the horizontal rotating hole And be connected with described eccentric wheel, the other end of described rotating shaft 46 is positioned on the side wall of described lens fixing table 44, and the upper end of a push rod (not visible in the figure) is connected with described lens 45, and described push rod The lower part of the push rod is inserted into the vertical mounting hole, the lower end of the ejector rod leans against the side wall of the eccentric wheel, and the lens fixing table 44 is provided with a storage chamber for storing various lenses 45 ( not visible in the figure). By turning the rotating shaft 46, the eccentric wheel is rotated, the lower end of the push rod is against the side wall of the eccentric wheel, and the eccentric wheel makes the push rod move up and down, thereby adjusting the eccentric wheel. The height of the lens 45.

It also includes a lens knob (not visible in the figure) for positioning the ejector rod, and the lens knob is arranged on the lens fixing table 44 .

In this embodiment, the light source bracket includes a third sleeve 61 and a third rod 62, the third sleeve 61 is connected to the first main slider 11, and the third rod 62 is inserted in the In the third sleeve 61, a third knob 63 for positioning the third sleeve rod 62 is arranged on the third sleeve 61, and a light source fixing device is arranged on the top end of the third sleeve rod 62. Taiwan 64.

Since the utility model adopts the eccentric wheel, the vertical installation hole and the horizontal rotation hole, one end of the rotation shaft is arranged in the horizontal rotation hole and is connected with the eccentric shaft located in the rotation space. The ejector rod connected with the lens is arranged in the vertical mounting hole, and the lower end of the ejector rod is in contact with the side wall of the eccentric wheel, and the rotating shaft drives the eccentric wheel to rotate , so as to adjust the height of the ejector rod in the vertical direction, which has the advantages of simple structure, convenient adjustment of the height of the lens and convenient replacement of the lens.

It should be noted that the purpose of the detailed explanations for the above-mentioned embodiments is only to explain the utility model so as to better explain the utility model, but these descriptions cannot be interpreted as an explanation of the utility model for any reason. In particular, the various features described in different implementations can also be combined arbitrarily with each other to form other implementations. Unless there is an explicit description to the contrary, these features should be understood as being applicable to any implementation, and It is not limited to the described embodiments.

Claims (7)

1. A rapid testing device for harmful radiation, comprising a probe, a probe holder, a lens holder, a light source holder and a base, and the probe holder, the lens holder and the light source holder are respectively arranged on the base, and the The probe, the lens and the light source under test are respectively arranged on the top ends of the probe bracket, the lens bracket and the light source bracket, and a grating is arranged between the lens and the light source under test, and it is characterized in that: The lens fixing table of the lens holder is provided with a rotating space, and a vertical mounting hole and a horizontal rotating hole respectively communicating with the rotating space are arranged on the lens fixing table, and an eccentric wheel is arranged in the rotating space and rotate in the rotating space, one end of a rotating shaft is arranged in the horizontal rotating hole and connected with the eccentric wheel, the other end of the rotating shaft is located on the side wall of the lens fixing table, a top The upper end of the rod is connected with the lens, the lower part of the push rod is inserted into the vertical mounting hole, and the lower end of the push rod leans against the side wall of the eccentric wheel; on the lens fixing platform A storage chamber for storing various lenses is provided. 2. The rapid testing device for harmful radiation according to claim 1, characterized in that: the base comprises a main guide rail and a branch guide rail, and the light source bracket is arranged on the main guide rail through a first main slider, so that The branch guide rail is arranged on the main guide rail through the second main slider, the probe bracket is arranged on the branch guide rail through the first auxiliary slider, and the lens holder is arranged on the support rail through the second auxiliary slider. rails. 3. The rapid testing device for harmful radiation according to claim 2, characterized in that: the probe holder includes an XY-axis manual translation mechanism and a probe lifting mechanism, and the XY-axis manual translation mechanism includes an X-axis manual translation mechanism and a Y axis manual translation mechanism. X-axis manual translation mechanism, the X-axis manual translation mechanism includes a first base plate and a first linear guide rail pair arranged on the first base plate, the first linear guide rail pair is provided with the first straight line The first mobile platform driven by the guide rail pair, the Y-axis manual translation mechanism is arranged on the first mobile platform; the Y-axis manual translation mechanism includes a second base plate and a second straight line arranged on the second base plate A guide rail pair, the second linear guide rail pair is provided with a second mobile platform driven by the second linear guide rail pair, and the probe lifting mechanism is arranged on the second mobile platform; the X-axis manual translation mechanism and The Y-axis manual translation mechanism is provided with a screw trimmer, and the X-axis manual translation mechanism and the Y-axis manual translation mechanism are both provided with a manual locking knob. 4. The rapid testing device for harmful radiation according to claim 3, characterized in that: the probe lifting mechanism includes a first sleeve and a first sleeve rod, and the first sleeve is connected to the second mobile platform , the first sleeve rod is inserted into the first sleeve, and the first sleeve is provided with a first knob for positioning the first sleeve rod, and at the top of the first sleeve rod A probe fixing table is arranged on it. 5. The rapid testing device for harmful radiation according to claim 2, characterized in that: the lens holder includes a second sleeve and a second sleeve rod, and the second sleeve is connected to the second auxiliary slider , the second sleeve rod is inserted into the second sleeve, the second sleeve is provided with a second knob for positioning the second sleeve rod, and the lens fixing table is set on the on the top of the second set of rods. 6. The rapid testing device for harmful radiation according to claim 2, characterized in that: the light source bracket includes a third sleeve and a third rod, and the third sleeve is connected to the first main slider , the third sleeve rod is inserted into the third sleeve, and the third sleeve is provided with a third knob for positioning the third sleeve rod, and the top end of the third sleeve rod A light source fixing table is arranged on the top. 7. The rapid testing device for harmful radiation according to claim 1 or 2, characterized in that it further comprises a lens knob for positioning the ejector rod, and the lens knob is arranged on the lens fixing table.