CN211085602U - Infrared optical recognition device - Google Patents
Infrared optical recognition device Download PDFInfo
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- CN211085602U CN211085602U CN201921390793.7U CN201921390793U CN211085602U CN 211085602 U CN211085602 U CN 211085602U CN 201921390793 U CN201921390793 U CN 201921390793U CN 211085602 U CN211085602 U CN 211085602U
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Abstract
The utility model discloses an infrared optical identification device, the device includes optical detection mechanism and microprocessor module, optical detection mechanism has optical element and infrared transmission receiving module, the infrared light beam is launched to optical element to host computer control infrared transmission receiving module, infrared light beam takes place to reflect and convert into signal of telecommunication to the host computer by infrared transmission receiving module after refraction through optical element, because infrared light beam is refracted out by the part, the light quantity that leads to the infrared light beam of infrared receiving module receipt changes, finally make the signal of telecommunication also change, the host computer judges whether the state of determinand changes according to the received signal of telecommunication. The utility model discloses whether the state that can discern the determinand changes, be applicable to the detection of abnormity such as seepage in dangerization article production, the transportation process.
Description
Technical Field
The utility model relates to a liquid or fluid detection device especially relates to an infrared optical identification device.
Background
With the rapid growth of economy and the rapid development of chemical industry in China, the China has become a large country for producing and using chemical products, the variety and the number of dangerous chemicals are increasing day by day, and the dangerous chemicals are widely applied to various fields of economic development in China. However, in chemical production, organic liquid hazardous chemical substances are easy to leak, and the volatile flammable, explosive or toxic and harmful gas can cause serious accidents such as fire, explosion, poisoning and the like, so that whether the organic liquid hazardous chemical substances leak or not needs to be detected; in addition, in the process of conveying the organic liquid hazardous chemical substances, the overflow of a hazardous chemical substance transportation tank car or the overflow of a loading arm on an oil depot or the leakage of a gas station can cause serious harm and uncontrollable property.
Therefore, it is necessary to provide a safe and reliable infrared optical identification device, which can be used to detect whether leakage or other abnormalities occur in the processes of hazardous chemical production, transportation, etc.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an infrared optical identification device, can be used to detect the process such as danger article production, transport whether take place to leak unusually.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an infrared optical identification device, its includes optical detection mechanism and host computer, optical detection mechanism is including bearing base, infrared emission receiving module, optical element and protective case, infrared emission receiving module installs bear in the base, the optical element cover is established bear on the base, just be equipped with the infrared light beam that makes infrared emission receiving module transmission on the optical element and take place reflection and refraction to guide infrared light beam by the optical interface that infrared emission receiving module received, protective case cover establishes on bearing the base, the host computer with infrared emission receiving module links to each other.
Preferably, the optical interface reflects and refracts the infrared light beam at least once in the process of guiding the infrared light beam to be received by the infrared transmitting and receiving module.
Preferably, the optical element comprises an element body part with an outer plane and an optical part formed by extending the outer plane outwards, and the optical interface is formed on the optical part.
Preferably, the element body portion is D-shaped and the optic portion is triangular.
Preferably, the optical interface comprises a first reflecting surface and a second reflecting surface which form an included angle of 60-120 degrees.
Preferably, the optical element fixing device further comprises a press cover for limiting the optical element, and the press cover is sleeved on the bearing base and located between the optical element and the protection sleeve.
Preferably, a first sealing ring is arranged between the bearing base and the optical element, a second sealing ring is arranged between the optical element and the press cover, and a third sealing ring is arranged between the press cover and the protective sleeve.
Preferably, the optical element is an optical device made of a transparent material or a material that is non-transparent and partially transparent to the infrared beam.
Preferably, the system further comprises a signal conditioning circuit module for converting the electrical signal processed by the host computer into an electrical signal conforming to the standard, and the signal conditioning circuit module is connected with the host computer.
The utility model has the advantages that:
(1) The utility model discloses a control infrared emission receiving module is to optical element transmission infrared light beam, and infrared light beam takes place to reflect and convert to signal of telecommunication to the host computer by infrared emission receiving module after refraction through optical element, and whether the host computer is handled the signal of telecommunication received and is judged the state of determinand and change, but the dry/wet state of quick identification, and discernment oil/water, be applicable to the leakage detection among dangerization article production, the transportation process.
(2) The utility model discloses each part in the optical detection mechanism, like optical element, the pressfitting lid etc. all adopt and make with the compatible material of determinand, adopt the sealing washer to seal between each part simultaneously for optical detection mechanism can dip for a long time and detect long service life in the material compatible determinand.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a schematic perspective view of the optical detection mechanism of the present invention;
Fig. 3 is an exploded schematic view of the optical detection mechanism of the present invention;
Fig. 4 is a schematic top view of an optical element according to the present invention.
Reference numerals: 10. the infrared transmitting and receiving module comprises a bearing base, 11, a base body, 12, an extending part, 20, an infrared transmitting and receiving module, 30, an optical element, 31, an element body part, 311, an outer plane, 312, an outer arc surface, 32, an optical part, 33, an optical interface, 331, a first reflecting surface, 332, a second reflecting surface, 40, a protective sleeve, 50, a press cover, 60, a first sealing ring, 70, a second sealing ring, 80 and a third sealing ring.
Detailed Description
The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
The utility model discloses an infrared optical identification device, through the infrared transmission receiving module 20 of host computer control to optical element 30 transmission infrared light beam, infrared light beam takes place to reflect and convert to signal of telecommunication to the host computer after optical element 30 takes place to receive by infrared transmission receiving module 20, the host computer is handled the signal of telecommunication received and is judged whether the state of determinand changes, but the dry/wet state of quick identification, and discernment oil/water, be applicable to danger article production, the seepage detection in the transportation process.
Referring to fig. 1 to 3, the present invention discloses an infrared optical recognition device, which includes an optical detection mechanism and a host. The optical detection mechanism comprises a bearing base 10, an infrared emission and receiving module 20, an optical element 30 and a protective sleeve 40. The bearing base 10 is used for mounting the infrared transmitting and receiving module 20, the optical element 30 and the protective sleeve 40, and comprises a base body 11 and an extension part 12 formed by extending the base body 11 outwards; the infrared transmitting and receiving module 20 is mounted on the extension 12 by means of fastening bolts including but not limited to, for transmitting infrared beams, and receiving infrared beams and converting the received infrared beams into electrical signals; the optical element 30 is sleeved on the extension portion 12, and is provided with an optical interface 33 which reflects and refracts the infrared light beam emitted by the infrared transmitting and receiving module 20 and guides the infrared light beam to be received by the infrared transmitting and receiving module 20; the protection sleeve 40 is sleeved on the extension portion 12 and is used for protecting the infrared transmitting and receiving module 20 and the cable connected with the infrared transmitting and receiving module 20.
The host is connected with the infrared transmitting and receiving module 20 in a wired or wireless manner, and is used for controlling the infrared transmitting and receiving module 20 to transmit infrared beams, receiving the electrical signals converted by the infrared transmitting and receiving module 20, and judging whether the state of the object to be detected changes according to the electrical signals.
In this embodiment, the infrared transmitting and receiving module 20 includes an infrared transmitting module (not shown) and an infrared receiving module (not shown), wherein the infrared transmitting module is connected to a host computer and transmits an infrared beam to the optical element 30 under the control of the host computer; the infrared receiving module is connected with the host and used for receiving the infrared light beams and converting the infrared light beams into electric signals to be transmitted to the host. In this embodiment, the infrared emitting module and the infrared receiving module are integrated on the printed circuit board and then assembled on the extension portion 12, which can effectively reduce the size of the infrared optical identification device.
As shown in fig. 3 and 4, the optical element 30 can be made of different materials according to the application environment and the medium to be contacted, and the materials are compatible with the object to be measured. In this embodiment, the optical element 30 is made of a transparent material, but in other embodiments, a non-transparent material may be used, and some of the infrared light may be transmitted through the material. Further, in the present embodiment, the optical interface 33 on the optical element 30 reflects and refracts the infrared light beam twice in guiding the infrared light beam to be received by the infrared transmitting and receiving module 20. Specifically, the optical element 30 includes an element body portion 31 having a D-shape and an optical portion 32 having a triangular shape, the element body portion 31 has an outer flat surface 311 and an outer arc surface 312 which are connected, the optical portion 32 is provided on the outer flat surface 311 of the element body portion 31, and the optical interface 33 is formed on the optical portion 32. The optical interface 33 includes a first reflective surface 331 and a second reflective surface 332, wherein an included angle between the first reflective surface 331 and the second reflective surface 332 is 60 ° to 120 °, and an included angle between the first reflective surface 331 and the second reflective surface 332 is preferably 90 °. The first reflection surface 331 and the second reflection surface 332 are used for reflecting and refracting the infrared light beam, and the first reflection surface 331 and the second reflection surface 332 are in different media, so that the light quantity refracted by the infrared light beam is changed, for example, the light quantity refracted by the first reflection surface 331 and the second reflection surface 332 is increased or decreased.
Further, in order to prevent the optical element 30 from being shifted so that the path of the infrared light beam is affected, the infrared optical identification device further includes a press cover 50, wherein the press cover 50 is sleeved on the extension portion 12 and is located between the optical element 30 and the protection sleeve 40 for limiting the position of the optical element 30.
Furthermore, in order to prevent the object to be tested from entering the optical detection mechanism through the gap between the base body 11 and the optical element 30 and the gap between the optical element 30 and the press cover 50 to affect or damage the optical element 30 and the ir-r module 20, the base body 11 and the optical element 30 are provided with a first sealing ring 60, and the optical element 30 and the press cover 50 are provided with a second sealing ring 70. Specifically, the end surface of the base body 11 contacting the optical element 30 is recessed inwards to form a first receding groove, and the first sealing ring 60 is disposed in the first receding groove, so as to finally realize the sealing between the base body 11 and the optical element 30; the end face of the press cover 50 contacting the optical element 30 is recessed inwards to form a second receding groove, and a second sealing ring 70 is arranged in the second receding groove, so that the optical element 30 and the press cover 50 are sealed finally. In this embodiment, the first seal ring 60 and the second seal ring 70 are both D-shaped.
As shown in fig. 1, the protection sleeve 40 is a cylindrical pipe structure, an internal thread is disposed on an inner wall of an end portion of the protection sleeve 40 connected to the bearing base 10, an external thread matched with the internal thread is disposed on an outer wall of the extension portion 12, and the protection sleeve 40 is connected to the bearing base 10 through the matching of the internal thread and the external thread, but in other embodiments, the protection sleeve 40 and the bearing base 10 may also be connected through other manners, such as a snap connection manner.
Further, in order to prevent the object to be detected from entering the optical detection mechanism through the gap between the protective sleeve 40 and the press-fit cover 50, and further affecting or damaging the ir transceiver module 20 and the optical element 30, a third sealing ring 80 is disposed between the protective sleeve 40 and the press-fit cover 50. Specifically, the end face of the protective sleeve 40 contacting the press-fit cover 50 is recessed inwards to form a third receding groove, and the third sealing ring 80 is arranged in the third receding groove, so that the sealing between the protective sleeve 40 and the press-fit cover 50 is finally realized. In this embodiment, the third seal ring 80 is formed in an O-shape.
In order to make the final output data meet the relevant standards, such as the standards (American Petroleum institute) or EN regulations (European standard), the infrared optical recognition device further comprises a signal conditioning circuit module, which is connected with the microprocessor control module and is used for converting the electric signals processed by the host computer into electric signals meeting the standards. Specifically, the signal conditioning circuit module includes an amplifying circuit module, a differentiating circuit module and an integrating circuit module, the amplifying circuit module is used for amplifying the signal, and the differentiating circuit module and the integrating circuit module are used for detecting, processing and transforming the signal.
Furthermore, the infrared optical recognition device further comprises a communication circuit module, which is connected with the host and is used for converting the electric signal processed by the host into a signal conforming to a communication protocol, such as a signal conforming to a CAN communication protocol, a serial port (RS232/485) communication protocol or a TCP/IP communication protocol.
Infrared optical recognition device's theory of operation as follows:
The optical detection mechanism is placed in an object to be detected, the host controls the infrared emission module to emit infrared beams to the optical element 30, after the infrared beams are reflected and refracted twice through the optical interface 33, a part of the infrared beams are refracted out of the optical element 30, the rest of the infrared beams are reflected twice and received by the infrared receiving module, and the infrared receiving module converts the received infrared beams into electric signals to be transmitted to the host. Since the optical element 30 is present in the object to be tested, the optical interface 33 changes, which causes the light quantity of the refracted infrared beam to change, and thus the light quantity of the infrared beam received by the infrared receiving module also changes, and finally the electrical signal output by the infrared receiving module to the host computer also changes, and the host computer processes the received electrical signal and determines whether the state of the object to be tested changes.
Meanwhile, the host converts the processed electric signals into data meeting relevant standards through the signal conditioning circuit module or converts the processed electric signals into data meeting relevant communication protocols through the communication circuit module and sends corresponding data, for example, the data is sent to an upper computer or an intelligent terminal, and the like, so that the measurement and control function is realized.
Infrared optical identification device, reflect and refract infrared light beam through optical element 30 on the one hand, make infrared light beam's light quantity change, and then whether the state that detects the determinand according to infrared light beam's light quantity size changes, simple structure, convenient operation and safety, on the other hand, still accords with the detection data of relevant standard through signal conditioning circuit output, accords with dangerization article field safety standard requirement.
Additionally, the utility model discloses an optical detection mechanism adopts above-mentioned seal structure, can make its soak in the determinand for a long time, has long service life's advantage. And simultaneously, the utility model discloses an optical detection mechanism in each part adopt and make with the compatible material of determinand, can dip for a long time and use in the determinand that the material is compatible, when the material that determinand and part adopted is incompatible, can change the material of corresponding part into with the compatible material of determinand to realize compatibly, change to stainless steel, ordinary rubber for special rubber like the aluminium, in order to adapt to the determinand (like corrosive liquids etc.).
The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.
Claims (9)
1. The utility model provides an infrared optical identification device, a serial communication port, including optical detection mechanism and host computer, optical detection mechanism is including bearing base, infrared emission receiving module, optical element and protective case, infrared emission receiving module installs bear in the base, the optical element cover is established bear on the base, just be equipped with the infrared light beam that makes infrared emission receiving module transmission on the optical element and take place reflection and refraction to guide the infrared light beam by the optical interface that infrared emission receiving module received, protective case cover is established on bearing the base, the host computer with infrared emission receiving module links to each other.
2. An infrared optical recognition device according to claim 1 wherein the optical interface causes at least one of reflection and refraction of the infrared light beam during the directing of the infrared light beam for reception by the infrared transmission and reception module.
3. An infrared optical identification device according to claim 1 wherein the optical element comprises an element body portion having an outer planar surface and an optical portion formed by the outer planar surface extending outwardly, the optical portion having the optical interface formed thereon.
4. An infrared optical recognition device according to claim 3 wherein said element body portion is D-shaped and said optic portion is triangular.
5. An infrared optical identification device according to any of claims 1 to 3 wherein the optical interface comprises a first reflecting surface and a second reflecting surface having an included angle of 60 ° to 120 °.
6. An infrared optical recognition device according to claim 1 further comprising a press-fit cover for limiting the position of the optical element, said press-fit cover being fitted over said carrying base and being located between said optical element and said protective sleeve.
7. An infrared optical recognition device as claimed in claim 6, wherein a first seal ring is disposed between the carrier base and the optical element, a second seal ring is disposed between the optical element and the press cover, and a third seal ring is disposed between the press cover and the protective sleeve.
8. An infrared optical recognition apparatus according to claim 1, wherein the optical element is an optical device made of a transparent material or a material that is non-transparent and partially transparent to the infrared beam.
9. The infrared optical identification device of claim 1, further comprising a signal conditioning circuit module for converting the electrical signal processed by the host computer into a standard-compliant electrical signal, wherein the signal conditioning circuit module is connected to the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921390793.7U CN211085602U (en) | 2019-08-26 | 2019-08-26 | Infrared optical recognition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921390793.7U CN211085602U (en) | 2019-08-26 | 2019-08-26 | Infrared optical recognition device |
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| CN211085602U true CN211085602U (en) | 2020-07-24 |
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| CN201921390793.7U Active CN211085602U (en) | 2019-08-26 | 2019-08-26 | Infrared optical recognition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426167A (en) * | 2019-08-26 | 2019-11-08 | 优必得石油设备(苏州)有限公司 | A kind of infrared optics identification device and method |
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2019
- 2019-08-26 CN CN201921390793.7U patent/CN211085602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426167A (en) * | 2019-08-26 | 2019-11-08 | 优必得石油设备(苏州)有限公司 | A kind of infrared optics identification device and method |
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