CN211877235U

CN211877235U - Miniaturized infrared temperature detection device

Info

Publication number: CN211877235U
Application number: CN202020109032.6U
Authority: CN
Inventors: 王�锋; 孙加安; 周明明; 马庆鸿; 万良伟
Original assignee: Huizhou Xingjuyu Optical Co ltd
Current assignee: Guangdong Xingjuyu Optical Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-11-06
Anticipated expiration: 2030-07-22

Abstract

The utility model provides a miniaturized infrared temperature detection device, including the camera lens monomer, the camera lens monomer includes collector lens, visible light cut-off filter, infrared temperature sensor and lens cone, collector lens visible light cut-off filter with infrared temperature sensor inlay in proper order set up in the lens cone, collector lens's thickness is 0.5-1.5mm, the lens cone is kept away from infrared temperature sensor's terminal surface arrives infrared temperature sensor's distance is 2-3.5 mm. The beneficial effects of the utility model reside in that: the visible light cut-off filter is matched with the condensing lens, so that visible light interference can be better filtered; the length from the end face of the lens barrel to the infrared temperature sensor is shortened, the thickness of the condensing lens is reduced, the miniaturization of the device is realized, and the device can be used in terminal equipment such as mobile phones and flat plates with extremely strict requirements on space.

Description

Miniaturized infrared temperature detection device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a sensor technical field, in particular to miniaturized infrared temperature detection device.

[ background of the invention ]

In nature, when the temperature of an object is higher than absolute zero, electromagnetic waves are continuously radiated to the periphery due to the existence of internal thermal motion of the object, wherein the electromagnetic waves comprise infrared rays with wave bands of 0.75-100 mu m, and the infrared temperature sensor is manufactured by utilizing the principle.

The temperature is a physical quantity for measuring the cold and hot degree of an object, is a common and important thermotechnical parameter in industrial production, and a plurality of production processes require monitoring and controlling the temperature, particularly in the production processes of the industries such as chemical industry, food and the like, the quality and the performance of products are directly influenced by the temperature measurement and control, and at present, the temperature of the heated object needs to be monitored in real time when articles for daily use, such as an intelligent constant-temperature blower, are often applied.

However, the conventional infrared temperature detection device usually uses an acrylic material, which not only makes the assembly difficult, but also makes the device have a large volume, and cannot be applied to a mobile phone, a tablet, and other terminal devices with extremely strict requirements on space.

[ Utility model ] content

In view of the above, there is a need for a miniaturized infrared temperature detecting device that can solve the technical problems involved in the background art.

In order to achieve the above object, the present invention provides the following technical solutions:

a miniaturized infrared temperature detection device comprises a lens single body, wherein the lens single body comprises a condensing lens, a visible light cut-off filter, an infrared temperature sensor and a lens barrel, the condensing lens, the visible light cut-off filter and the infrared temperature sensor are sequentially embedded in the lens barrel, the thickness of the condensing lens is 0.5-1.5mm, and the distance from the end face, far away from the infrared temperature sensor, of the lens barrel to the infrared temperature sensor is 2-3.5 mm.

Preferably, the lens module further comprises a base, and the lens unit is assembled in the base.

Preferably, the lens monomer is fixed to the base by dispensing.

Preferably, the lens unit is fixed to the base by a screw thread.

Preferably, the condenser lens is integrally assembled with the lens barrel.

Preferably, the condenser lens is fixed to the lens barrel by dispensing.

The beneficial effects of the utility model reside in that: the visible light cut-off filter is matched with the condensing lens, so that visible light interference can be better filtered; the length from the end face of the lens barrel to the infrared temperature sensor is shortened, the thickness of the condensing lens is reduced, the miniaturization of the device is realized, and the device can be used in terminal equipment such as mobile phones and flat plates with extremely strict requirements on space.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a miniaturized infrared temperature detecting device according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a miniaturized infrared temperature detecting device according to embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of a miniaturized infrared temperature detecting device according to embodiment 3 of the present invention.

[ detailed description ] embodiments

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Please refer to fig. 1, the utility model provides a miniaturized infrared temperature detecting device, including camera lens monomer 1, camera lens monomer 1 includes condensing lens 11, visible light cut-off filter 12, infrared temperature sensor 13 and lens cone 14, condensing lens 11 visible light cut-off filter 12 with infrared temperature sensor 13 inlays in proper order and sets up in lens cone 14. The lens barrel 14 includes a housing space 141 and an end face 142 away from the infrared temperature sensor 13.

The condenser lens 11 can collect and detect a large amount of infrared information more easily, and the infrared light band is 750-1000 nm.

The visible light cut-off filter 12 is matched with the condensing lens 11, so that visible light interference can be better filtered.

The infrared temperature sensor 13 of course further includes a housing, a digitizer, a transmission module, etc., so that the sensed temperature signal can be converted into a digital signal and then transmitted through the transmission module. It should be further noted that the present invention is applicable to the infrared temperature sensor 13 which uses the existing sensor, and the present invention does not make any improvement.

The thickness of the condenser lens 11 is 0.5-1.5mm, and the distance from the end surface 142 of the lens barrel 14 far away from the infrared temperature sensor 13 to the infrared temperature sensor 13 is 2-3.5mm, so that the device is miniaturized and can be used in terminal equipment such as mobile phones and flat panels with extremely severe space requirements.

It should be further described that the condensing lens 11 and the lens barrel 14 are integrally assembled, and the condensing lens 11 is fixed to the lens barrel 14 by dispensing, so that the assembly difficulty can be greatly reduced, and the cost can be saved.

Example 2

Referring to fig. 1 and 2, the present invention provides a miniaturized infrared temperature detecting device, which includes a lens unit 1 in embodiment 1, and further includes a base 2, wherein the lens unit 1 is assembled in the base 2, and the lens unit 1 is fixed to the base 2 by dispensing or screwing.

The side wall of the lens barrel 14 extends outward in the radial direction to form a mounting boss 143, and the lens unit 1 is fixedly mounted on the base 2 through the mounting boss 143.

Example 3

Referring to fig. 1 and 3, the present invention provides a miniaturized infrared temperature detecting device, which includes a lens unit 1 in embodiment 1, and further includes a base 2, wherein the lens unit 1 is assembled in the base 2, and the lens unit is fixed to the base 2 by dispensing or screwing.

The bottom end of the side wall of the lens 14 is fixedly mounted with the base 2.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments are only intended to illustrate some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The small infrared temperature detection device is characterized by comprising a lens single body, wherein the lens single body comprises a condensing lens, a visible light cut-off filter, an infrared temperature sensor and a lens barrel, the condensing lens, the visible light cut-off filter and the infrared temperature sensor are sequentially embedded in the lens barrel, the thickness of the condensing lens is 0.5-1.5mm, and the distance from the end face, far away from the infrared temperature sensor, of the lens barrel to the infrared temperature sensor is 2-3.5 mm.

2. The miniaturized infrared temperature sensor of claim 1 further comprising a base, wherein the lens unit is assembled in the base.

3. The miniaturized infrared temperature sensor of claim 2 wherein the lens unit is fixed to the base by dispensing.

4. The miniaturized infrared temperature sensor of claim 2 wherein the lens unit is fixed to the base by a screw thread.

5. The miniaturized infrared temperature sensor of claim 1, wherein the condenser lens is integrally assembled with the lens barrel.

6. The miniaturized infrared temperature detection device of claim 1 or 5, wherein the condenser lens is fixed to the lens barrel by means of dispensing.