CN210221815U - Optical fiber gas sensor convenient and rapid to install - Google Patents
Optical fiber gas sensor convenient and rapid to install Download PDFInfo
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- CN210221815U CN210221815U CN201921202082.2U CN201921202082U CN210221815U CN 210221815 U CN210221815 U CN 210221815U CN 201921202082 U CN201921202082 U CN 201921202082U CN 210221815 U CN210221815 U CN 210221815U
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- gas
- optical fiber
- sensing box
- gas sensor
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Abstract
The utility model relates to an optic fibre gas sensor technical field specifically is a make things convenient for quick optic fibre gas sensor who installs, including the air chamber in, the lower surface block of air chamber is connected with gaseous sensing box, the upper surface of air chamber is provided with through the window, the front surface of gaseous sensing box rotates and is connected with the dust guard, one side surface through welding of air chamber has the intake pipe, the opposite side surface through welding of air chamber has the outlet duct, one side surface of dust guard is provided with sealed frame, the seal groove has been seted up to the front surface of gaseous sensing box, the lower extreme welding of gaseous sensing box has the bottom plate, the upper surface welding of gaseous sensing box has the connecting plate. The utility model discloses optic fibre gas sensor, device accomplish for the amalgamation equipment, and the measurement accuracy of this sensor is high, and the device is provided with the dust guard, does benefit to the operational safety nature of device, and the air chamber is provided with the window of passing through.
Description
Technical Field
The utility model relates to an optic fibre gas sensor technical field specifically is an optic fibre gas sensor of convenient quick installation.
Background
A gas sensor is a transducer that converts a certain gas volume fraction into a corresponding electrical signal. The probe head conditions a gas sample through a gas sensor, which typically includes a display portion for filtering out impurities and interfering gases, drying or refrigeration processing, a gas sensor, which is a device for converting information such as the composition, concentration, etc. of a gas into information that can be utilized by personnel, instruments, computers, etc.! Gas sensors are generally classified as chemical sensors, although the classification is not necessarily scientific, and generally optical fiber gas sensors have poor measurement accuracy, inconvenient installation and small application range.
Chinese patent discloses a distributed optical fiber gas sensor (No. CN104614334B), this patent technique can be with optic fibre with a plurality of gas detection device with including the laser source, the demodulating equipment, the host computer part of photoelectric detector is connected, a plurality of gas detection device distribute in the detection website of difference, reduce cost, but, the optical fiber gas sensor on the existing market, it is inconvenient to install mostly, can not quick convenient installation and use, most optical fiber gas sensor's measurement accuracy is poor, most device's dustproofness is not good, be unfavorable for the operation security of device, most air chambers do not set up the through-window, be unfavorable for observing the inside behavior of air chamber. Accordingly, those skilled in the art have provided an optical fiber gas sensor that is easy and quick to install, so as to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient quick optic fibre gas sensor who installs to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a convenient quick optic fibre gas sensor who installs, includes the air chamber in, the lower surface block of air chamber is connected with gaseous sensing box, the upper surface of air chamber is provided with the window that passes through, the front surface of gaseous sensing box rotates and is connected with the dust guard, one side surface through welding of air chamber has the intake pipe, the opposite side surface through welding of air chamber has the outlet duct, one side surface of dust guard is provided with sealed frame, the seal groove has been seted up to the front surface of gaseous sensing box, the lower extreme welding of gaseous sensing box has the bottom plate, the upper surface welding of gaseous sensing box has the connecting plate, the welding of upper surface one side of connecting plate has first device fixed plate, the welding of the upper surface opposite side of connecting plate has second device fixed plate.
As a further aspect of the present invention: the outer surface of one end of intake pipe link up the welding and have the precious tower head of admitting air, the one end of outlet duct link up the welding and have the precious tower head of giving vent to anger.
As a further aspect of the present invention: photoelectric converter is installed to upper surface one side of gas sensing box, signal processor is installed to the upper surface opposite side of gas sensing box, the display is installed to front surface one side of gas sensing box, the position department that front surface one side of gas sensing box closes on the display installs the control button, the pilot lamp is installed to front surface opposite side of gas sensing box, a side skin weld of first device fixed plate has near infrared laser diode, one side of near infrared laser diode is provided with first lens, one side of first lens is provided with optic fibre, one side of optic fibre is provided with the second lens, one side outer surface welding of second device fixed plate has photoelectric detector.
As a further aspect of the present invention: the dust guard is the component of a glass material with passing through the window, the seal frame is the component of a rubber material, the outside of seal frame and the regional looks adaptation of seting up of seal groove.
As a further aspect of the present invention: the outer surface area of the connecting plate is matched with the area of the lower surface of the air chamber, and the air chamber is connected with the air sensing box body through the connecting plate in a clamping mode.
As a further aspect of the present invention: the outer diameters of the air inlet pagoda head and the air outlet pagoda head are respectively larger than the outer diameters of the air inlet pipe and the air outlet pipe.
As a further aspect of the present invention: and the mounting positions of the near-infrared laser diode, the first lens, the optical fiber, the second lens and the photoelectric detector correspond to each other.
As a further aspect of the present invention: the input of photoelectric converter is connected with the output electrode of first lens to near infrared laser diode, photoelectric converter's output electrode connection signal processor's input, signal processor's output electrode connection display's input, signal processor's output electrode connection pilot lamp's input, the input of signal processor is connected to the output electrode of control button.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses optical fiber gas sensor, the device is accomplished for the amalgamation equipment, goes into the lower surface internally mounted of air chamber through the connection integrated circuit board and connects air chamber and gas sensing box, simple to operate, can quick convenient installation operation, the utility model discloses optical fiber gas sensor's measurement accuracy is high, and the device is provided with the dust guard, and the sealed frame card of dust guard goes into the inside protection display, control button, the pilot lamp of seal groove, and the dust guard is the component of perspective glass material, can observe the light and shade condition of pilot lamp, and the dustproofness of device is excellent, does benefit to the operation security of device, and the air chamber is provided with through the window, is favorable to observing the inside operational aspect of air chamber.
Drawings
FIG. 1 is a schematic diagram of a fiber gas sensor that is easy and quick to install;
FIG. 2 is a schematic diagram of a gas cell of a fiber gas sensor that is easy and quick to install;
fig. 3 is a schematic view of a disassembled structure of a gas sensing box and a bottom plate in an optical fiber gas sensor convenient and rapid to install.
In the figure: 1. an air chamber; 2. a gas sensing box; 3. an air inlet pipe; 4. an air outlet pipe; 5. a window is penetrated; 6. a dust-proof plate; 7. an air inlet pagoda head; 8. a gas outlet tower head; 9. a base plate; 10. a connecting plate; 11. a first device fixing plate; 12. a second device fixation plate; 13. a signal processor; 14. a photoelectric converter; 15. a sealing frame; 16. a control key; 17. an indicator light; 18. a display; 19. a near-infrared laser diode; 20. a first lens; 21. an optical fiber; 22. a second lens; 23. a photodetector; 24. sealing the groove.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the present invention, an optical fiber gas sensor convenient and fast to install comprises an air chamber 1, a gas sensing box 2 is connected to the lower surface of the air chamber 1 in a snap-fit manner, a through window 5 is provided on the upper surface of the air chamber 1, a dust guard 6 is rotatably connected to the front surface of the gas sensing box 2, an air inlet pipe 3 is welded to the outer surface of one side of the air chamber 1, an air outlet pipe 4 is welded to the outer surface of the other side of the air chamber 1, a sealing frame 15 is provided on the outer surface of one side of the dust guard 6, a sealing groove 24 is provided on the front surface of the gas sensing box 2, a bottom plate 9 is welded to the lower end of the gas sensing box 2, a connecting plate 10 is welded to the upper surface of the gas sensing box 2, a first device fixing plate 11 is welded to one side of the upper surface of the connecting plate, sealing frame 15 is a rubber material's component, sealing frame 15's the outside and seal groove 24 offer area looks adaptation, area looks adaptation is offered to the surface area of connecting plate 10 and air chamber 1's lower surface, and air chamber 1 passes through connecting plate 10 block with gaseous sensing box 2 and links, block inside air chamber 1's lower surface through connecting plate 10, outside intake pipe passes through intake pipe 3 the inside of gaseous input air chamber 1, open dust guard 6 through taking out the inside sealing frame 15 of seal groove 24, sealing frame 15's rubber material increases dust guard 6 and gaseous sensing box 2's front surface and is connected closely the type, avoid inside the dust admission device, it is sealed effectual.
In fig. 2: the one end surface of intake pipe 3 link up the welding and has a precious tower head 7 that admits air, the one end of outlet duct 4 link up the welding and has a precious tower head 8 of giving vent to anger, precious tower head 7 that admits air is greater than the external diameter of intake pipe 3 and outlet duct 4 respectively with the external diameter of precious tower head 8 of giving vent to anger, the one end of intake pipe 3 is passed through precious tower head 7 that admits air and is connected in the inside of inlet duct, the one end of outlet duct 4 is passed through precious tower head 8 of giving vent to anger and is connected in the inside of outlet duct, then block in the lower surface of air chamber 1 through connecting plate 10 inside, precious tower head 7 that admits air.
In fig. 3: a photoelectric converter 14 (model TL-FC111A + FC111B) is installed on one side of the upper surface of the gas sensing box body 2, a signal processor 13 (model dsPIC30F2010-30) is installed on the other side of the upper surface of the gas sensing box body 2, a display 18 is installed on one side of the front surface of the gas sensing box body 2, a control key 16 is installed at a position close TO the display 18 on one side of the front surface of the gas sensing box body 2, an indicator lamp 17 is installed on the other side of the front surface of the gas sensing box body 2, a near-infrared laser diode 19 (model ZL-LD-200-TO 18) is welded on the surface of one side of the first device fixing plate 11, a first lens 20 is arranged on one side of the near-infrared laser diode 19, an optical fiber 21 is arranged on one side of the first lens 20, a second lens 22 is arranged on one side of the optical fiber 21, a photoelectric detector 23 (model YT301, the near infrared laser diode 19, the first lens 20, the optical fiber 21, the second lens 22 and the photoelectric detector 23 are installed at corresponding positions, the near infrared laser diode 19 and the output electrode of the first lens 20 are connected with the input end of the photoelectric converter 14, the output electrode of the photoelectric converter 14 is connected with the input end of the signal processor 13, the output electrode of the signal processor 13 is connected with the input end of the display 18, the output electrode of the signal processor 13 is connected with the input end of the indicator light 17, the output electrode of the control key 16 is connected with the input end of the signal processor 13, the control key 16 is pressed, the signal processor 13 is used for controlling the light speed emitted by the near infrared laser diode 19, the light speed is input into the photoelectric detector 23 through the first lens 20, the optical fiber 21 and the second lens 22, the photoelectric detector 23 is used for contrast detection, and after the detection is finished, the signal is transmitted into the signal processor 13 through the photoelectric converter 14, the information processed by the signal processor 13 is displayed on the display 18, the indicator light 17 displays the running condition detected by the device, the gas sensing box body 2 can be independently used, and the air gas can be directly detected by the photoelectric detector 23, the near-infrared laser diode 19, the first lens 20, the optical fiber 21, the second lens 22 and the photoelectric detector 23, so that the application range is wide.
The utility model discloses a theory of operation is: firstly, taking out the air chamber 1, connecting one end of an air inlet pipe 3 to the inside of the air inlet pipe through an air inlet pagoda head 7, connecting one end of an air outlet pipe 4 to the inside of the air outlet pipe through an air outlet pagoda head 8, then clamping the air inlet pipe to the inside of the lower surface of the air chamber 1 through a connecting plate 10, inputting air into the air chamber 1 through the air inlet pipe 3 by an external air inlet pipe, opening a dustproof plate 6 through a sealing frame 15 taken out of the inside of a sealing groove 24, pressing a control key 16, controlling the light emitting speed of a near infrared laser diode 19 through a signal processor 13, inputting the light speed to the inside of a photoelectric detector 23 through a first lens 20, an optical fiber 21 and a second lens 22, carrying out contrast detection by the photoelectric detector 23, after the detection is finished, transmitting signals to the inside of the signal processor 13 through the photoelectric converter 14, displaying, the indicator lamp 17 displays the operation condition detected by the device, and finally, after the device is used, the dust-proof plate 6 is closed, the sealing frame 15 is clamped in the sealing groove 24, and the display of the display 18 can be observed through the dust-proof plate 6.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The optical fiber gas sensor convenient and rapid to install comprises a gas chamber (1) and is characterized in that a gas sensing box body (2) is connected to the lower surface of the gas chamber (1) in a clamping mode, a through window (5) is arranged on the upper surface of the gas chamber (1), a dust guard (6) is connected to the front surface of the gas sensing box body (2) in a rotating mode, a gas inlet pipe (3) is welded to the outer surface of one side of the gas chamber (1) in a penetrating mode, a gas outlet pipe (4) is welded to the outer surface of the other side of the gas chamber (1) in a penetrating mode, a sealing frame (15) is arranged on the outer surface of one side of the dust guard (6), a sealing groove (24) is formed in the front surface of the gas sensing box body (2), a bottom plate (9) is welded to the lower end of the gas sensing box body (2), a connecting plate (10) is welded to the upper, and a second device fixing plate (12) is welded on the other side of the upper surface of the connecting plate (10).
2. The optical fiber gas sensor convenient and fast to install as claimed in claim 1, wherein an air inlet pagoda head (7) is welded on the outer surface of one end of the air inlet pipe (3) in a penetrating manner, and an air outlet pagoda head (8) is welded on one end of the air outlet pipe (4) in a penetrating manner.
3. The optical fiber gas sensor convenient and fast to install according to claim 1, wherein a photoelectric converter (14) is installed on one side of the upper surface of the gas sensing box body (2), a signal processor (13) is installed on the other side of the upper surface of the gas sensing box body (2), a display (18) is installed on one side of the front surface of the gas sensing box body (2), a control key (16) is installed at a position, close to the display (18), on one side of the front surface of the gas sensing box body (2), an indicator lamp (17) is installed on the other side of the front surface of the gas sensing box body (2), a near infrared laser diode (19) is welded on the surface of one side of the first device fixing plate (11), a first lens (20) is arranged on one side of the near infrared laser diode (19), and an optical fiber (21) is arranged on one side of the first lens (20), a second lens (22) is arranged on one side of the optical fiber (21), and a photoelectric detector (23) is welded on the outer surface of one side of the second device fixing plate (12).
4. The optical fiber gas sensor convenient and fast to install according to claim 1, wherein the dust-proof plate (6) and the transparent window (5) are made of glass, the sealing frame (15) is made of rubber, and the outer surface of the sealing frame (15) is matched with the opening area of the sealing groove (24).
5. The optical fiber gas sensor convenient and quick to mount as claimed in claim 1, wherein the area of the outer surface of the connecting plate (10) is matched with the area of the lower surface of the gas chamber (1), and the gas chamber (1) is connected with the gas sensing box body (2) through the connecting plate (10) in a clamping manner.
6. The conveniently and quickly installed optical fiber gas sensor according to claim 2, wherein the outer diameters of the gas inlet pagoda head (7) and the gas outlet pagoda head (8) are respectively larger than the outer diameters of the gas inlet pipe (3) and the gas outlet pipe (4).
7. An optical fiber gas sensor convenient and fast to install according to claim 3, wherein the near infrared laser diode (19), the first lens (20), the optical fiber (21), the second lens (22) and the photoelectric detector (23) are installed in corresponding positions.
8. An optical fiber gas sensor convenient and fast to install as claimed in claim 3, wherein the near infrared laser diode (19) and the output electrode of the first lens (20) are connected with the input end of the photoelectric converter (14), the output electrode of the photoelectric converter (14) is connected with the input end of the signal processor (13), the output electrode of the signal processor (13) is connected with the input end of the display (18), the output electrode of the signal processor (13) is connected with the input end of the indicator light (17), and the output electrode of the control key (16) is connected with the input end of the signal processor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202082.2U CN210221815U (en) | 2019-07-29 | 2019-07-29 | Optical fiber gas sensor convenient and rapid to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202082.2U CN210221815U (en) | 2019-07-29 | 2019-07-29 | Optical fiber gas sensor convenient and rapid to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210221815U true CN210221815U (en) | 2020-03-31 |
Family
ID=69918118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202082.2U Expired - Fee Related CN210221815U (en) | 2019-07-29 | 2019-07-29 | Optical fiber gas sensor convenient and rapid to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210221815U (en) |
-
2019
- 2019-07-29 CN CN201921202082.2U patent/CN210221815U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |