CN220339513U - Pen-type miniature laser power meter - Google Patents
Pen-type miniature laser power meter Download PDFInfo
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- CN220339513U CN220339513U CN202321907767.3U CN202321907767U CN220339513U CN 220339513 U CN220339513 U CN 220339513U CN 202321907767 U CN202321907767 U CN 202321907767U CN 220339513 U CN220339513 U CN 220339513U
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- 239000000523 sample Substances 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 35
- 230000006698 induction Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000013016 damping Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model relates to a pen-type micro laser power meter which comprises a shell, a measurement and control circuit, a probe, a display screen, a switching piece and an attenuation piece. The shell is pen-shaped, and a detection window and an adjusting groove are arranged on the shell. The measurement and control circuit is arranged in the shell. The probe is arranged in the shell and is electrically connected with the measurement and control circuit, and the probe can receive detection light through the detection window. The display screen is exposed out of the shell, is electrically connected to the measurement and control circuit and is used for displaying the power value measured by the probe. The switching piece is adjustable to be connected in the shell, and the switching piece is including main part and the regulating block that is connected, and in the shell was located to the main part, the regulating block passed the adjustment tank and stretches out outside the shell. The attenuation sheet is arranged in the shell and fixedly connected with the main body. The switching piece comprises a first state and a second state, and in the first state, the switching piece adjusts the attenuation piece between the detection window and the probe. In the second state, the switching piece adjusts the attenuation sheet to one side of the probe to avoid the position, and the size is small and can be suitable for a larger measuring range.
Description
Technical Field
The utility model relates to the field of laser power meters, in particular to a pen-type miniature laser power meter.
Background
The laser power meter is a device for measuring laser power, and mainly comprises two types of photoelectric laser power meters and calorimetric laser power meters according to different measuring principles. When laser irradiates on a detection photosensitive surface of the photoelectric laser power meter, a light current is formed in a loop where a PN junction is located, and the larger the power of incident laser is, the larger the light current is, so that the power of the incident laser can be obtained by measuring the light current.
The existing laser power meter has large size, is inconvenient to carry, is inconvenient to measure and use in specific occasions or narrow spaces, and has a limited measuring range.
Disclosure of Invention
The utility model aims to provide a miniature pen-type laser power meter which is miniaturized and has a larger measuring range.
In order to solve the technical problems, the utility model adopts the following technical scheme.
The utility model provides a pen-type micro laser power meter, comprising: the shell is pen-shaped, and a detection window and an adjusting groove are arranged on the shell; the measurement and control circuit is arranged in the shell; the probe is arranged in the shell and is electrically connected with the measurement and control circuit, and the probe can receive detection light through the detection window; the display screen is exposed out of the shell, is electrically connected to the measurement and control circuit and is used for displaying the power value measured by the probe; the switching piece is adjustably connected with the shell and comprises a main body and an adjusting block which are connected, the main body is arranged in the shell, and the adjusting block penetrates through the adjusting groove and extends out of the shell; the attenuation sheet is arranged in the shell and fixedly connected with the main body; the switching piece comprises a first state and a second state, and in the first state, the switching piece adjusts the attenuation piece between the detection window and the probe; in the second state, the switching piece adjusts the attenuation sheet to one side avoidance position of the probe.
In some embodiments of the present application, a first positioning portion is respectively disposed at two ends of the adjusting slot; the adjusting block is provided with a second positioning part; when the switching piece is adjusted to the first state or the second state, the adjusting block can be respectively matched with the two first positioning parts in a positioning way.
In some embodiments of the present application, the first positioning portion is a positioning protrusion; the second positioning part is a positioning groove; the positioning protrusion can be clamped into the positioning groove to form positioning fit.
In some embodiments of the application, the switch is movably connected to the housing.
According to some embodiments of the present application, a guiding structure for guiding the movement of the switching member is disposed in the housing.
In some embodiments of the present application, two guide grooves are disposed in the housing at intervals; two sides of the main body are connected with two guide strips; the two guide strips are respectively and movably arranged in the two guide grooves.
In some embodiments of the present application, the housing includes a first housing and a second housing; a connecting column is arranged in the first shell; the main body is provided with a yielding groove; the connecting column passes through the abdication groove to be connected with the second shell, and when the switching piece is adjusted, the abdication groove can be used for the connecting column to move in.
In some embodiments of the present application, a proximity switch is disposed on the measurement and control circuit; the main body is provided with an induction part; and the switching piece drives the sensing part to be close to or far away from the proximity switch when adjusting the attenuation sheet, so that the proximity switch sends out a signal to switch the calculation program of the measurement and control circuit.
According to some embodiments of the application, the detection window and the probe are both arranged at the position of the pen point. According to some embodiments of the application, the pen-type micro laser power meter further comprises a battery, an interface, an indicator light and a key, wherein the battery, the interface, the indicator light and the key are electrically connected to the measurement and control circuit; the battery is arranged in the shell; the interface, the indicator light and the keys are exposed out of the shell.
As can be seen from the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:
in the pen-type micro laser power meter provided by the embodiment of the utility model, the shell is pen-shaped, the size is small, the pen-type micro laser power meter is easy to carry, the pen-type micro laser power meter is convenient to hold and operate, and measurement can be performed in a specific occasion or a narrow space. The probe can receive detection light through the detection window, the power of the detection light is obtained through the program calculation of the measurement and control circuit, and the power value is intuitively displayed on the display screen, so that detection data can be conveniently and rapidly known, and the measurement efficiency is improved. When strong light needs to be measured, the switching piece is switched to a first state, the switching piece adjusts the attenuation piece between the detection window and the probe, and laser passes through the detection window and reaches the probe after being attenuated by the attenuation piece. When weak light is measured, the switching piece is switched to the second state, the attenuation piece is adjusted to one side of the probe by the switching piece, and laser passes through the detection window and then directly irradiates the probe. Therefore, the attenuation sheet is driven to be adjusted through the switching piece, and the method can be suitable for a larger measuring range.
Drawings
Various objects, features and advantages of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the utility model, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the utility model and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:
fig. 1 is a schematic diagram of a pen-type micro laser power meter according to an embodiment of the present utility model.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic view of the re-exploded structure of fig. 2 with the first housing removed.
Fig. 4 is a schematic view of the structure of fig. 2 with the first housing and the switch removed.
Fig. 5 is a schematic structural view of the switching member in fig. 2.
Fig. 6 is a schematic structural view of the first housing in fig. 2.
The reference numerals are explained as follows: 1. a housing; 11. a detection window; 12. an adjustment tank; 13. a guide groove; 14. a first positioning portion; 15. a first housing; 151. a connecting column; 16. a second housing; 2. a measurement and control circuit; 21. a proximity switch; 3. a probe; 4. a display screen; 5. a switching member; 51. a main body; 511. an induction unit; 512. a relief groove; 52. an adjusting block; 521. a second positioning portion; 53. a guide bar; 6. an attenuation sheet; 7. an interface; 8. an indicator light; 9. and (5) a key.
Detailed Description
While this utility model is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the utility model and is not intended to limit the utility model to that as illustrated.
Thus, rather than implying that each embodiment of the present utility model must have the characteristics described, one of the characteristics indicated in this specification will be used to describe one embodiment of the present utility model. Furthermore, it should be noted that the present specification describes a number of features. Although certain features may be combined together to illustrate a possible system design, such features may be used in other combinations not explicitly described. Thus, unless otherwise indicated, the illustrated combinations are not intended to be limiting.
In the embodiments shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various elements of the utility model are not absolute but relative. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.
Referring to fig. 1 to 6, a pen-type micro laser power meter according to an embodiment of the present utility model includes a housing 1, a measurement and control circuit 2, a probe 3, a display screen 4, a switching element 5 and an attenuation sheet 6.
The shell 1 is pen-shaped, and a detection window 11 and an adjusting groove 12 are arranged on the shell 1. The measurement and control circuit 2 is arranged in the shell 1. The probe 3 is disposed in the housing 1 and electrically connected to the measurement and control circuit 2, and the probe 3 can receive detection light through the detection window 11. The display screen 4 is exposed out of the shell 1 and is electrically connected with the measurement and control circuit 2, and the display screen 4 is used for displaying the power value measured by the probe 3. The switching piece 5 is adjustably connected to the housing 1, the switching piece 5 comprises a main body 51 and an adjusting block 52 which are connected, the main body 51 is arranged in the housing 1, and the adjusting block 52 passes through the adjusting groove 12 and extends out of the housing 1. The attenuation sheet 6 is provided in the housing 1 and is fixedly connected to the main body 51.
Wherein the switching member 5 comprises a first state in which the switching member 5 adjusts the damping patch 6 between the detection window 11 and the probe 3 and a second state. In the second state, the switch 5 adjusts the damping patch 6 to a side-by-side position of the probe 3.
The shell 1 is designed to be pen-shaped, has small size and is easy to carry, is convenient to hold and operate, and can be used for measuring in specific occasions or narrow spaces. The probe 3 can receive the detection light through the detection window 11, calculate the power of the detection light through the program of the measurement and control circuit 2, and intuitively display the power value on the display screen 4, so that the detection data can be conveniently and rapidly known, and the measurement efficiency is improved. When strong light needs to be measured, the switching piece 5 is switched to the first state, the switching piece 5 adjusts the attenuation piece 6 between the detection window 11 and the probe 3, and laser passes through the detection window 11 and reaches the probe 3 after being attenuated by the attenuation piece 6. When weak light is measured, the switching piece 5 is switched to the second state, the switching piece 5 adjusts the attenuation piece 6 to one side of the probe 3, and laser passes through the detection window 11 and then directly irradiates the probe 3. Therefore, the attenuation sheet 6 is driven to be adjusted by the switching piece 5, so that the device can be suitable for a larger measuring range.
The measurement and control circuit 2 includes two calculation programs, and when the attenuation sheet 6 is adjusted to be between the detection window 11 and the probe 3 to perform strong light measurement, the measurement and control circuit 2 is switched to one of the calculation programs, and the strong light laser power is obtained through conversion according to the multiplying power of the attenuation sheet 6 for attenuating the laser. And the measurement and control circuit 2 is switched to another calculation program when the attenuation sheet 6 is adjusted to the side of the probe 3 to avoid the position for weak light measurement, and the attenuation multiplying power of the attenuation sheet 6 is not considered at this time, so that the laser power of weak light is calculated.
Referring to fig. 4 and 5, the measurement and control circuit 2 is provided with a proximity switch 21. The main body 51 is provided with a sensing portion 511. When the attenuation sheet 6 is adjusted by the switching piece 5, the sensing part 511 is driven to be close to or far from the proximity switch 21, so that the proximity switch 21 sends out a signal to switch the calculation program of the measurement and control circuit 2. In the present embodiment, the proximity switch 21 is a hall sensor, and the sensing portion 511 is provided with a magnetic member. The hall sensor converts the changing magnetic field generated by the magnetic element approaching or separating from the proximity switch 21 into a change in output voltage, thereby controlling the calculation program of the switching measurement and control circuit 2.
The switching member 5 is movably connected to the housing 1 and is switched between a first state and a second state by movement. In other embodiments, the switching member 5 may be rotatably connected to the housing 1, and be switched between the first state and the second state by rotation.
A guide structure for guiding the movement of the switching member 5 is provided in the housing 1, so that the movement of the switching member 5 is more stable.
Referring to fig. 4 and 5, two guide grooves 13 are provided in the housing 1 at intervals. Two guide bars 53 are connected to both sides of the main body 51. The two guide strips 53 are respectively movably arranged in the two guide grooves 13. The guide bar 53 and the guide groove 13 form a guide fit, define the moving track of the switching member 5, and guide the movement of the switching member 5.
Referring to fig. 3 and 5, a first positioning portion 14 is disposed at each end of the adjusting slot 12. The adjusting block 52 is provided with a second positioning portion 521. When the switching member 5 is adjusted to the first state or the second state, the adjusting block 52 can form positioning fit with the two first positioning portions 14 respectively. Preventing shifting from occurring in a non-human operation. The first positioning portion 14 is a positioning protrusion. The second positioning portion 521 is a positioning groove. The positioning protrusion can be clamped into the positioning groove to form positioning fit.
The adjusting block 52 is also provided with anti-skidding patterns, so that skidding is avoided, and the adjusting block 52 is more beneficial to moving.
Referring to fig. 1 and 2, the pen-type micro laser power meter further comprises a battery, an interface 7, an indicator light 8 and a key 9 electrically connected to the measurement and control circuit 2. The battery is provided in the housing 1. The interface 7, the indicator light 8 and the keys 9 are all exposed to the housing 1. The battery may be a rechargeable battery. Types of interfaces 7 include, but are not limited to, a MiniUSB interface 7, a micro usb interface 7, a Type-C interface 7, and a lighting interface 7, the interfaces 7 being operable to charge a battery, and also operable to transfer data. The indicator light 8 can be used for indicating the working state, and the key 9 can be used for controlling the pen-type miniature laser power meter.
Referring to fig. 2, the detection window 11 and the probe 3 are both disposed at the pen point, so as to facilitate the use by holding the pen body of the housing 1.
Referring to fig. 5 and 6 in combination with fig. 2, the housing 1 includes a first housing 15 and a second housing 16. A connecting post 151 is provided in the first housing 15. The main body 51 is provided with a relief groove 512. The connection post 151 passes through the relief groove 512 to be connected to the second housing 16, and when the switching member 5 is adjusted, the relief groove 512 can be provided for the connection post 151 to move therein. In this embodiment, the detection window 11, the probe 3, the switching element 5 and the damping patch 6 are all disposed at the position of the pen tip, and the connection column 151 improves the connection strength of the first housing 15 and the second housing 16 at the position of the pen tip, thereby improving structural stability.
While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A pen-type miniature laser power meter, comprising:
the shell is pen-shaped, and a detection window and an adjusting groove are arranged on the shell;
the measurement and control circuit is arranged in the shell;
the probe is arranged in the shell and is electrically connected with the measurement and control circuit, and the probe can receive detection light through the detection window;
the display screen is exposed out of the shell, is electrically connected to the measurement and control circuit and is used for displaying the power value measured by the probe;
the switching piece is adjustably connected with the shell and comprises a main body and an adjusting block which are connected, the main body is arranged in the shell, and the adjusting block penetrates through the adjusting groove and extends out of the shell;
the attenuation sheet is arranged in the shell and fixedly connected with the main body;
the switching piece comprises a first state and a second state, and in the first state, the switching piece adjusts the attenuation piece between the detection window and the probe; in the second state, the switching piece adjusts the attenuation sheet to one side avoidance position of the probe.
2. The pen-type micro laser power meter according to claim 1, wherein the two ends of the adjusting groove are respectively provided with a first positioning part;
the adjusting block is provided with a second positioning part;
when the switching piece is adjusted to the first state or the second state, the adjusting block can be respectively matched with the two first positioning parts in a positioning way.
3. The pen-type micro laser power meter according to claim 2, wherein the first positioning part is a positioning protrusion;
the second positioning part is a positioning groove;
the positioning protrusion can be clamped into the positioning groove to form positioning fit.
4. The pen-type micro laser power meter as claimed in claim 1, wherein the switching member is movably connected to the housing.
5. The pen-type micro laser power meter as claimed in claim 4, wherein a guide structure for guiding the movement of the switching member is provided in the housing.
6. The pen-type micro laser power meter according to claim 5, wherein two guide grooves are arranged in the shell at intervals;
two sides of the main body are connected with two guide strips;
the two guide strips are respectively and movably arranged in the two guide grooves.
7. The pen-type micro laser power meter according to claim 1, wherein the housing comprises a first housing and a second housing;
a connecting column is arranged in the first shell;
the main body is provided with a yielding groove;
the connecting column passes through the abdication groove to be connected with the second shell, and when the switching piece is adjusted, the abdication groove can be used for the connecting column to move in.
8. The pen-type micro laser power meter according to claim 1, wherein a proximity switch is arranged on the measurement and control circuit;
the main body is provided with an induction part;
and the switching piece drives the sensing part to be close to or far away from the proximity switch when adjusting the attenuation sheet, so that the proximity switch sends out a signal to switch the calculation program of the measurement and control circuit.
9. The pen-type micro laser power meter according to claim 1, wherein the detection window and the probe are both arranged at the position of the pen point.
10. The pen-type micro laser power meter according to claim 1, further comprising a battery, an interface, an indicator light and a key electrically connected to the measurement and control circuit;
the battery is arranged in the shell;
the interface, the indicator light and the keys are exposed out of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907767.3U CN220339513U (en) | 2023-07-19 | 2023-07-19 | Pen-type miniature laser power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907767.3U CN220339513U (en) | 2023-07-19 | 2023-07-19 | Pen-type miniature laser power meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220339513U true CN220339513U (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321907767.3U Active CN220339513U (en) | 2023-07-19 | 2023-07-19 | Pen-type miniature laser power meter |
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| Country | Link |
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| CN (1) | CN220339513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664323A (en) * | 2024-01-31 | 2024-03-08 | 深圳市维度科技股份有限公司 | Rotatable laser power meter |
-
2023
- 2023-07-19 CN CN202321907767.3U patent/CN220339513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117664323A (en) * | 2024-01-31 | 2024-03-08 | 深圳市维度科技股份有限公司 | Rotatable laser power meter |
| CN117664323B (en) * | 2024-01-31 | 2024-04-30 | 深圳市维度科技股份有限公司 | Rotatable laser power meter |
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