CN221925380U - Infrared thermometer of coaxial aiming - Google Patents
Infrared thermometer of coaxial aiming Download PDFInfo
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- CN221925380U CN221925380U CN202323343182.6U CN202323343182U CN221925380U CN 221925380 U CN221925380 U CN 221925380U CN 202323343182 U CN202323343182 U CN 202323343182U CN 221925380 U CN221925380 U CN 221925380U
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- 239000000523 sample Substances 0.000 claims abstract description 37
- 238000009529 body temperature measurement Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of laser detection, in particular to an infrared thermometer coaxially aimed. According to the coaxial aiming infrared thermometer, on the premise that the traditional optical structure of the infrared thermometer is not changed, the LED light sources which are annularly arranged are additionally arranged behind the infrared temperature measuring probe, a circle of annular channels are formed at the edge of the temperature measuring channel of the middle infrared thermometer and serve as the LED light source channels, and a circle of annular light rays are formed after LED light is transmitted, so that the coaxial aiming function is realized. The coaxial aiming device is simple in structure, realizes innovative coaxial aiming, and greatly reduces design and production cost.
Description
Technical Field
The utility model relates to the technical field of laser detection, in particular to an infrared thermometer coaxially aimed.
Background
At present, most infrared detectors adopt laser aiming, common aiming point lasers and line lasers, wherein the point lasers are most widely applied. The aiming point is most commonly characterized by: both single point or double point versions, cross-hair (typically used for line lasers) and multi-point or single point laser passes through a custom lens, are also in use.
Most of infrared thermometers (temperature measuring guns) in the market adopt a single-point laser structure, laser is arranged right above or right below an infrared probe, the laser optical axis and the optical axis of the infrared probe are not an axis, auxiliary aiming can be realized, and accurate aiming cannot be achieved. In order to realize accurate aiming, a double-laser structure is adopted, one laser is additionally arranged on the other side of the original single laser, and the center or intersection point of the two lasers is used as an aiming center, so that the aiming accuracy is greatly improved, the coaxial aiming function is realized, but the coaxial aiming is not truly realized, the structure is complex, and the production cost comprises higher material cost.
Disclosure of utility model
Aiming at the problems of inaccurate aiming and high cost in the prior art, the utility model provides the infrared thermometer which has a simple structure and can realize coaxial aiming.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows.
The utility model provides an infrared thermometer of coaxial aiming, includes thermometer body and infrared temperature probe, be equipped with the LED light source around the infrared temperature probe, the light of LED light source forms and uses the infrared temperature probe is the annular light of centre of a circle.
As a further technical scheme, the LED light source is arranged at the rear end of the infrared temperature measurement probe in an annular array manner, the annular array takes the projection of the infrared temperature measurement probe on the plane of the annular array as the center of a circle, and the area of the annular array is larger than the projection area of the infrared temperature measurement probe.
As a further technical scheme, the light outlet of the infrared temperature measurement probe is provided with an annular beam limiter concentric with the infrared temperature measurement probe, the beam limiter comprises a first shading part and an annular channel, the first shading part is concentric with the annular channel, the inner diameter of the first shading part is larger than the outer diameter of the annular channel, and the light of the LED light source passes through the annular channel to form annular light rays.
As a further technical scheme, the inner diameter of the annular channel is in interference fit with the outer side of the lens cone, and the annular beam limiter is sleeved on the outer side of the lens cone.
As a further technical scheme, the beam limiter further comprises a second shading part, and the outer diameter of the second shading part is smaller than the inner diameter of the annular channel.
As a further technical scheme, the inner diameter of the second shading part is in interference fit with the outer side of the lens cone, and the annular beam limiter is sleeved on the outer side of the lens cone.
As a further technical scheme, the infrared temperature measuring probe comprises a base, wherein the base is arranged at the end part of the lens barrel where the infrared temperature measuring probe is arranged, and the LED light sources are arranged on the base in a circular array.
As a further technical scheme, the connection mode of the base and the lens barrel is one or more of screw connection, clamping connection, bonding and nailing connection.
Compared with the prior art, the utility model has the following beneficial effects:
According to the coaxial aiming infrared thermometer, on the premise that the traditional optical structure of the infrared thermometer is not changed, the LED light sources which are annularly arranged are additionally arranged behind the infrared temperature measuring probe, a circle of annular channels are formed at the edge of the temperature measuring channel of the middle infrared thermometer and serve as the LED light source channels, and a circle of annular light rays are formed after LED light is transmitted, so that the coaxial aiming function is realized. The coaxial aiming device is simple in structure, realizes innovative coaxial aiming, and greatly reduces design and production cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the infrared thermometer coaxially aimed in example 1;
FIG. 2 is a side view of the coaxially aimed infrared thermometer of example 1.
The attached drawings are identified: 1-infrared temperature measuring probe, 2-LED light source, 3-annular channel, 4-beam limiter, 5-lens cone and 6-base.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed" on another element, it can be disposed on the surface or in the interior of the element.
Example 1
As shown in fig. 1 and 2, the infrared thermometer for coaxial aiming in this embodiment includes a thermometer body and an infrared temperature probe 1, an LED light source 2 is disposed around the infrared temperature probe 1, and light of the LED light source 2 forms an annular light ray with the infrared temperature probe 1 as a center of a circle. Since the infrared light is generally invisible to the naked human eye, the LED light source 2 is required to form a beam to assist the human eye in aiming, which is beneficial to distinguishing whether the infrared light aims at the detection area. In the embodiment, the LED light sources 2 are annularly arranged around the infrared probe, so that the infrared light is ensured to be certain in the center or the annular area of the LED light sources 2, and the coaxial aiming is realized.
Optionally, the LED light source 2 is located at the rear end of the infrared temperature measurement probe 1, and is distributed in an annular array, the annular array uses the projection of the infrared temperature measurement probe 1 on the plane where the annular array is located as the center of a circle, and the area of the annular array is larger than the area of the projection of the infrared temperature measurement probe 1. The LED light source 2 may be located at the front end of the infrared temperature measurement probe 1, or may be in an average with the infrared temperature measurement probe 1, so long as an infrared region of the infrared probe can be formed on a detection surface of a detection object as a center, and the annular light region surrounds the center.
In order to make the annular light area formed by the LED light source 2 clearer and stronger in directivity, in this embodiment, the light outlet of the infrared temperature measurement probe 1 is provided with an annular beam limiter 4 concentric with the infrared temperature measurement probe 1, the beam limiter 4 includes a first light shielding portion and an annular channel 3, the first light shielding portion is concentric with the annular channel 3, the inner diameter is greater than the outer diameter of the annular channel 3, and the light of the LED light source 2 passes through the annular channel 3 to form annular light. The redundant light is blocked by the shading part of the annular beam limiter 4, and the light passing through the annular channel 3 forms an annular area with clearer boundary, so that the reference effect is better during aiming. Specifically, the annular beam limiter 4 is sleeved outside the lens barrel 5 through interference fit between the inner diameter of the annular channel 3 and the outer side of the lens barrel 5. The connection can be clamped, screwed, bonded or integrally designed with the cylindrical lens.
The embodiment further comprises a base 6, the base 6 is arranged at the end part of the lens barrel 5 where the infrared temperature measuring probe 1 is located, and the LED light sources 2 are arranged on the base 6 in a circular array. The base 6 and the lens barrel 5 may be integrally formed, or may be assembled later, and the connection mode between the base 6 and the lens barrel 5 is one or more of screw connection, clamping connection, adhesive connection and nailing connection.
Example 2
In embodiment 2, the beam limiter 4 further comprises a second light shielding portion, and an outer diameter of the second light shielding portion is smaller than an inner diameter of the annular channel 3. And a second shading part is further arranged between the annular channel 3 and the lens barrel 5 at the joint of the beam limiter 4 and the lens barrel 5, and the annular beam limiter 4 is sleeved on the outer side of the lens barrel 5 through interference fit between the inner diameter of the second shading part and the outer side of the lens barrel 5. The design of second shading portion makes the filtration of the light of LED light source 2 more comprehensive, not only can filter the outside light of annular channel 3 through first shading portion, still filters the inside light of annular channel 3 through second shading portion, makes the interference of the annular light of aiming area less like this, aims the effect better.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The utility model provides an infrared thermometer of coaxial aiming, includes thermometer body and infrared temperature probe, its characterized in that is equipped with the LED light source around the infrared temperature probe, the light of LED light source forms and uses the infrared temperature probe is the annular light of centre of a circle.
2. The coaxially-aimed infrared thermometer according to claim 1, wherein the LED light source is located at the rear end of the infrared temperature measurement probe, the LED light source is arranged in an annular array, the annular array takes the projection of the infrared temperature measurement probe on the plane of the annular array as a circle center, and the area of the annular array is larger than the area of the projection of the infrared temperature measurement probe.
3. The coaxially aimed infrared thermometer according to claim 2, wherein the light outlet of the infrared temperature probe is provided with an annular beam limiter concentric with the infrared temperature probe, the beam limiter comprises a first shading part and an annular channel, the first shading part is concentric with the annular channel, the inner diameter of the first shading part is larger than the outer diameter of the annular channel, and the light of the LED light source forms annular light after passing through the annular channel.
4. The infrared thermometer of claim 3 wherein the annular channel has an inner diameter in interference fit with the outside of the barrel, and the annular beam limiter is sleeved on the outside of the barrel.
5. The coaxially aimed infrared thermometer of claim 3, wherein the beam limiter further comprises a second light shield having an outer diameter smaller than an inner diameter of the annular channel.
6. The infrared thermometer of claim 5, wherein the second shielding portion has an inner diameter in interference fit with the outer side of the lens barrel, and the annular beam limiter is sleeved on the outer side of the lens barrel.
7. The coaxial aiming infrared thermometer of claim 4 or 6, further comprising a base, wherein the base is disposed at an end of a lens barrel where the infrared temperature probe is located, and the LED light sources are disposed on the base in a circular array.
8. The infrared thermometer of claim 7, wherein the base and the lens barrel are connected by one or more of screwing, clamping, bonding and nailing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343182.6U CN221925380U (en) | 2023-12-08 | 2023-12-08 | Infrared thermometer of coaxial aiming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323343182.6U CN221925380U (en) | 2023-12-08 | 2023-12-08 | Infrared thermometer of coaxial aiming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221925380U true CN221925380U (en) | 2024-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323343182.6U Active CN221925380U (en) | 2023-12-08 | 2023-12-08 | Infrared thermometer of coaxial aiming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221925380U (en) |
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2023
- 2023-12-08 CN CN202323343182.6U patent/CN221925380U/en active Active
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