CN211718115U - Infrared gas sensor detection device - Google Patents
Infrared gas sensor detection device Download PDFInfo
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- CN211718115U CN211718115U CN201922110937.5U CN201922110937U CN211718115U CN 211718115 U CN211718115 U CN 211718115U CN 201922110937 U CN201922110937 U CN 201922110937U CN 211718115 U CN211718115 U CN 211718115U
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- infrared
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- light source
- infrared light
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Abstract
The utility model discloses an infrared gas sensor detection device, which comprises a tubular detection head with two open ends, an infrared light source, an infrared detector and a control part, wherein the infrared light source and the infrared detector are arranged on the inner wall of the tubular detection head, the infrared light source and the infrared detector are oppositely arranged, the infrared light source and the infrared detector are both electrically connected with the control part, the cylindrical detecting head is placed in the gas to be detected, so that the gas to be detected is filled in the inner space of the cylindrical detecting head, the infrared ray emitted by the infrared light source penetrates through the gas to be detected and then is received by the infrared detector, the infrared light source and the infrared detector are respectively arranged on the inner walls of the two sides of the cylindrical detecting head and are oppositely arranged, so that the infrared light source and the infrared detector can conveniently extend into a space to be detected for detection. The utility model provides an infrared gas sensor detection device has the effect that can survey under the gaseous condition of inconvenient operator entering or inconvenient sample.
Description
Technical Field
The utility model relates to an electronic instrument technical field especially relates to an infrared gas sensor detection device.
Background
The infrared gas sensor is a gas sensing device which selects absorption characteristics based on near infrared spectra of different gas molecules, identifies gas components by utilizing the relation between gas concentration and absorption intensity and determines the concentration of the gas components.
When the existing infrared gas sensor detection device detects specific gas, a spectral channel with characteristic absorption is selected as a measurement channel, and a channel without characteristic absorption is selected as a reference channel. The method comprises the steps of detecting the absorbance value of gas by using a measurement channel in the measurement process so as to calculate the gas concentration, detecting the light energy attenuation and fluctuation of a system by using a reference channel, and correcting the measurement channel.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an infrared gas sensor detecting device is provided, which can be disassembled when being idle and assembled into a box type for carrying conveniently.
The specific technical scheme is as follows:
the utility model provides an infrared gas sensor detection device, includes both ends open-ended tube-shape detecting head, infrared light source, infrared detector and control division, infrared light source with infrared detector all locates on the tube-shape detecting head inner wall, just infrared light source with infrared detector sets up relatively, infrared light source with infrared detector all with the control division electricity is connected, will the tube-shape detecting head is placed in the gas that awaits measuring to make the gas that awaits measuring be full of the inner space of tube-shape detecting head, infrared ray that infrared light source launches is passed behind the gas that awaits measuring and is quilt infrared detector receives, just infrared detector produces the signal of telecommunication according to the infrared ray intensity of receipt, and will signal of telecommunication extremely the control division.
The infrared gas sensor detection device is characterized by further comprising a telescopic assembly, wherein the telescopic assembly is used for enabling the cylindrical detection head to stretch into the space where the gas to be detected is located, one end of the telescopic assembly is rotatably connected with the outer side wall of the cylindrical detection head, and the other end of the telescopic assembly is connected with the control part.
The beneficial effect of above-mentioned scheme is: the telescopic assembly is convenient to operate, and the cylindrical probe extends into the space where the gas to be detected is located.
Foretell infrared gas sensor detection device still has such characteristic, flexible subassembly includes telescopic link and U type connecting rod, the one end of telescopic link with the blind end of U type connecting rod is connected, the other end of telescopic link with the control part is connected, the tube-shape detecting head is located between the both sides of the open end of U type connecting rod, be equipped with the perpendicular to on the outer wall of tube-shape detecting head middle part both sides respectively the extension post of tube-shape detecting head both sides lateral wall, two it rotates with the both sides of U type connecting rod open end respectively to extend the post and is connected.
The beneficial effect of above-mentioned scheme is: the tubular detection head can rotate between the two ends of the opening end of the U-shaped connecting rod, and the direction of the tubular detection head is convenient to adjust.
The infrared gas sensor detection device is characterized by further comprising a rotating assembly used for controlling the cylindrical detection head to rotate, and the rotating assembly is arranged in the U-shaped connecting rod.
The beneficial effect of above-mentioned scheme is: the operator can rotate the tubular detecting head conveniently to detect the data when the tubular detecting head is at different angles.
The infrared gas sensor detection device also has the characteristics that the telescopic rod is internally provided with a driving rod for controlling the rotating component, the rotating component comprises a transmission chain and a transmission rod, one end of the driving rod extends into the U-shaped connecting rod from the inside of the telescopic rod, one end of the driving rod extending into the U-shaped connecting rod is in transmission connection with the middle part of the transmission rod through a bevel gear, the two ends of the transmission rod are respectively provided with a first gear matched with the transmission chain, the side wall of the extension column is provided with a second gear matched with the transmission chain, the transmission chain is sleeved on the first gear and the second gear and is meshed with the first gear and the second gear, when the driving rod is rotated, the transmission rod can be driven to rotate, so that the first gear and the second gear rotate simultaneously, and the cylindrical detection head and the U-shaped connecting rod can rotate relatively.
The beneficial effect of above-mentioned scheme is: the angle of the cylindrical probe and the U-shaped connecting rod can be adjusted conveniently by an operator.
Foretell infrared gas sensor detection device still has such characteristic, be equipped with two at least cambered surface grooves on the extension post lateral wall, U type connecting rod with the extension post lateral wall junction has seted up the opening orientation the holding tank of extension post, the diapire of holding tank is equipped with the spring, the spring is kept away from the one end of holding tank diapire is connected with the fixture block, just the fixture block is kept away from the one end of spring be with cambered surface groove assorted cambered surface form, work as the holding tank is just right during the cambered surface groove, the spring makes the cambered surface end of fixture block stretches out the holding tank and gets into cambered surface groove butt with it.
The beneficial effect of above-mentioned scheme is: the tubular probe head is conveniently fixed at a certain angle.
The infrared gas sensor detection device is characterized in that the infrared light source comprises a first infrared light source and a second infrared light source, the infrared detector comprises a first detector and a second detector, the first infrared light source and the second infrared light source are respectively opposite to the first detector and the second detector, and the distance between the first infrared light source and the first detector is larger than the distance between the second infrared light source and the second detector.
The beneficial effect of above-mentioned scheme is: two sets of data are simultaneously detected to increase detection accuracy.
The infrared gas sensor detection device has the characteristic that the first detector and the second detector are pyroelectric detectors.
The beneficial effect of above-mentioned scheme is: the pyroelectric detector has the advantages of no radiation of any type, low power consumption of devices, good concealment, low price and the like.
The infrared gas sensor detection device is further characterized in that the first infrared light source and the second infrared light source are both electrically modulated infrared light sources.
The beneficial effect of above-mentioned scheme is: the application is common and the price is low.
In conclusion, the scheme has the beneficial effects that:
the utility model provides an among the infrared gas sensor detection device, through locating tube-shape detecting head both sides inner wall and relative setting respectively with infrared light source and infrared detector, be convenient for stretch into it and treat the detection space and survey. The utility model provides an infrared gas sensor detection device has the effect that can survey under the gaseous condition of inconvenient operator entering or inconvenient sample.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the infrared gas sensor detecting device of the present invention;
fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.
In the drawings: 1. a barrel probe; 21. a first infrared light source; 22. a second detector; 31. a second infrared light source; 32. a second detector; 41. a telescopic rod; 411. a driving lever; 42. a U-shaped connecting rod; 43. a spring; 44. a clamping block; 5. extending the column; 61. a drive chain; 62. and a transmission rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the invention.
Fig. 1 is the utility model discloses an infrared gas sensor detection device's positive section structure schematic diagram, fig. 2 is the utility model discloses an enlarged structure schematic diagram of a department in fig. 1, as shown in fig. 1, fig. 2, the infrared gas sensor detection device that this embodiment provided: including both ends open-ended tube-shape detecting head 1, infrared source, infrared detector and control part, infrared source and infrared detector all locate on 1 inner wall of tube-shape detecting head, and infrared source and infrared detector set up relatively, infrared source and infrared detector all are connected with the control part electricity, place tube-shape detecting head 1 in the gas that awaits measuring, so that the gas that awaits measuring is full of tube-shape detecting head 1's inner space, the infrared ray that infrared source launches is received by infrared detector after passing the gas that awaits measuring, and infrared detector produces the signal of telecommunication according to the infrared ray intensity of receipt, and with signal of telecommunication to control part.
The control unit is a circuit or an electronic device that can be used to control the infrared light source and the infrared detector in the prior art.
In the above embodiment, the gas detector further comprises a telescopic assembly for extending the tubular detection head 1 into the space where the gas to be detected is located, one end of the telescopic assembly is rotatably connected with the outer side wall of the tubular detection head 1, and the other end of the telescopic assembly is connected with the control part.
In the above embodiment, the telescopic assembly includes the telescopic rod 41 and the U-shaped connecting rod 42, one end of the telescopic rod 41 is connected to the closed end of the U-shaped connecting rod 42, the other end of the telescopic rod 41 is connected to the control portion, the tubular probing head 1 is disposed between two sides of the open end of the U-shaped connecting rod 42, the outer walls of two sides of the middle portion of the tubular probing head 1 are respectively provided with the extending columns 5 perpendicular to the side walls of two sides of the tubular probing head 1, and the two extending columns 5 are respectively rotatably connected to two sides of the open end of.
In the above embodiment, a rotating assembly for controlling the rotation of the tubular probing tip 1 is further included, and the rotating assembly is disposed in the U-shaped connecting rod 42.
In the above embodiment, a driving rod 411 for controlling the rotation assembly is disposed in the telescopic rod 41, the rotation assembly includes a transmission chain 61 and a transmission rod 62, one end of the driving rod 411 extends into the U-shaped connecting rod 42 from the telescopic rod 41, one end of the driving rod 411 extends into the U-shaped connecting rod 42 and is in transmission connection with the middle of the transmission rod 62 through a bevel gear, two ends of the transmission rod 62 are respectively provided with a first gear adapted to the transmission chain 61, a second gear adapted to the transmission chain 61 is disposed on a side wall of the extending column 5, the transmission chain 61 is sleeved on the first gear and the second gear and is meshed therewith, and when the driving rod 411 is rotated, the transmission rod 62 can be driven to rotate, so that the first gear and the second gear rotate simultaneously, and the tubular probe 1 and the U-shaped connecting rod 42 can rotate relatively.
In the above-mentioned embodiment, be equipped with two at least cambered surface grooves on the extension post 5 lateral wall, the holding tank of opening orientation extension post 5 is seted up with extension post 5 lateral wall junction to U type connecting rod 42, the diapire of holding tank is equipped with spring 43, the one end that the holding tank diapire was kept away from to spring 43 is connected with fixture block 44, and the one end that spring 43 was kept away from to fixture block 44 be with cambered surface shape of cambered surface groove assorted, when the holding tank just to the cambered surface groove, spring 43 makes the cambered surface end of fixture block 44 stretch out the holding tank and get into the cambered surface groove butt with it.
In the above embodiments, the infrared light source includes the first infrared light source 21 and the second infrared light source 31, the infrared detector includes the first detector and the second detector 3222, the first infrared light source 21 and the second infrared light source 31 respectively face the first detector and the second detector 3222, and a distance between the first infrared light source 21 and the first detector is greater than a distance between the second infrared light source 31 and the second detector 3222.
In the above embodiments, the first detector and the second detector 3222 are both pyroelectric detectors.
In the above-described embodiment, both the first infrared light source 21 and the second infrared light source 31 are electrically modulated infrared light sources.
The operating principle, operation telescopic link 41 makes the tube-shape detecting head 1 stretch into the region to be measured, drive initiative pole 411 makes transfer line 62 and first gear revolve, drive the second gear through drive chain 61 and rotate, make tube-shape detecting head 1 and U type connecting rod 42 take place relative rotation, so that the gas that awaits measuring is full of tube-shape detecting head 1, infrared source is just facing infrared detector and is launched infrared light this moment, after infrared light passed the gas between infrared source and the infrared detector, partial energy is absorbed by the gas molecule, the gas concentration that awaits measuring can be converted out according to the energy size of the infrared light of receipt to the infrared detector.
The above is merely a preferred embodiment of the present invention, and not intended to limit the scope and the range of the present invention, and those skilled in the art should be able to realize that all the equivalent substitutions and obvious changes made by the present invention description should be included in the scope of the present invention.
Claims (9)
1. An infrared gas sensor detection device, its characterized in that: including both ends open-ended tube-shape detecting head (1), infrared source, infrared detector and control part, infrared source with infrared detector all locates on tube-shape detecting head (1) inner wall, just infrared source with infrared detector sets up relatively, infrared source with infrared detector all with the control part electricity is connected, will tube-shape detecting head (1) is placed in the gas that awaits measuring to make the gas that awaits measuring be full of the inner space of tube-shape detecting head (1), infrared ray that infrared source launches is passed behind the gas that awaits measuring by infrared detector receives, just infrared detector produces the signal of telecommunication according to the infrared ray intensity of receipt, and will signal of telecommunication transmission extremely the control part.
2. The infrared gas sensor detecting device according to claim 1, wherein: the gas detector is characterized by further comprising a telescopic assembly used for enabling the cylindrical detecting head (1) to stretch into the space where the gas to be detected is located, one end of the telescopic assembly is rotatably connected with the outer side wall of the cylindrical detecting head (1), and the other end of the telescopic assembly is connected with the control portion.
3. The infrared gas sensor detecting device according to claim 2, wherein: the flexible subassembly includes telescopic link (41) and U type connecting rod (42), the one end of telescopic link (41) with the blind end of U type connecting rod (42) is connected, the other end of telescopic link (41) with the control part is connected, tube-shape detecting head (1) is located between the both sides of the open end of U type connecting rod (42), be equipped with the perpendicular to on tube-shape detecting head (1) middle part both sides outer wall respectively tube-shape detecting head (1) both sides lateral wall extend post (5), two extend post (5) and rotate with the both sides of U type connecting rod (42) open end respectively and be connected.
4. The infrared gas sensor detecting device according to claim 3, wherein: the detector is characterized by further comprising a rotating assembly used for controlling the cylindrical detector head (1) to rotate, and the rotating assembly is arranged in the U-shaped connecting rod (42).
5. The infrared gas sensor detecting device according to claim 4, wherein: a driving rod (411) used for controlling the rotating assembly is arranged in the telescopic rod (41), the rotating assembly comprises a transmission chain (61) and a transmission rod (62), one end of the driving rod (411) extends into the U-shaped connecting rod (42) from the telescopic rod (41), one end of the driving rod (411) extends into the U-shaped connecting rod (42) and is in transmission connection with the middle of the transmission rod (62) through a bevel gear, first gears matched with the transmission chain (61) are respectively arranged at two ends of the transmission rod (62), a second gear matched with the transmission chain (61) is arranged on the side wall of the extension column (5), the transmission chain is sleeved on the first gear and the second gear and is meshed with the first gear and the second gear, when the driving rod (411) is rotated, the transmission rod (62) can be driven to rotate, so that the first gear and the second gear rotate simultaneously, the cylindrical probe (1) and the U-shaped connecting rod (42) can rotate relatively.
6. The infrared gas sensor detecting device according to claim 5, wherein: extend and be equipped with two at least cambered surface grooves on post (5) lateral wall, U type connecting rod (42) with extend post (5) lateral wall junction and seted up the opening orientation the holding tank of extending post (5), the diapire of holding tank is equipped with spring (43), spring (43) are kept away from the one end of holding tank diapire is connected with fixture block (44), just fixture block (44) are kept away from the one end of spring (43) be with cambered surface groove assorted cambered surface form, work as the holding tank is just right during the cambered surface groove, spring (43) make the cambered surface end of fixture block (44) stretches out the holding tank and gets into cambered surface groove butt with it.
7. An infrared gas sensor detection device according to any one of claims 1 to 6, wherein: the infrared light source comprises a first infrared light source (21) and a second infrared light source (31), the infrared detector comprises a first detector (22) and a second detector (32), the first infrared light source (21) and the second infrared light source (31) are right opposite to the first detector (22) and the second detector (32) respectively, and the distance between the first infrared light source (21) and the first detector (22) is larger than the distance between the second infrared light source (31) and the second detector (32).
8. The infrared gas sensor detecting device according to claim 7, wherein: the first detector (22) and the second detector (32) are each pyroelectric detectors.
9. The infrared gas sensor detecting device according to claim 8, wherein: the first infrared light source (21) and the second infrared light source (31) are both electrically modulated infrared light sources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110937.5U CN211718115U (en) | 2019-11-30 | 2019-11-30 | Infrared gas sensor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922110937.5U CN211718115U (en) | 2019-11-30 | 2019-11-30 | Infrared gas sensor detection device |
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| Publication Number | Publication Date |
|---|---|
| CN211718115U true CN211718115U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922110937.5U Active CN211718115U (en) | 2019-11-30 | 2019-11-30 | Infrared gas sensor detection device |
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|---|---|
| CN (1) | CN211718115U (en) |
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2019
- 2019-11-30 CN CN201922110937.5U patent/CN211718115U/en active Active
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