CN220525719U - Oxygen detector - Google Patents
Oxygen detector Download PDFInfo
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- CN220525719U CN220525719U CN202322134445.6U CN202322134445U CN220525719U CN 220525719 U CN220525719 U CN 220525719U CN 202322134445 U CN202322134445 U CN 202322134445U CN 220525719 U CN220525719 U CN 220525719U
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- air guide
- gas
- guide cylinder
- cylinder
- fixed
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000001301 oxygen Substances 0.000 title claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 abstract description 63
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The utility model discloses an oxygen detector, which comprises a detector body, wherein a detection sensor is assembled at the top of the detector body, two fixing strips are fixed at the top side of the detector body, an air guide cylinder is arranged between the two fixing strips, sliding holes are formed in the circumferential wall of the air guide cylinder along the central axis direction, brushes are respectively stuck on the wall of the two sides of the sliding holes, a piston is arranged in the air guide cylinder in a sliding manner, a guide groove is formed in the edge of the piston, and guide strips are fixed on the inner wall of the air guide cylinder; in the piston pushing process, the gas of the inner circumference of the gas cylinder can be pushed out, meanwhile, the gas entering the detection space from the bottom of the gas cylinder is pushed, then the gas cylinder is pushed, the gas cylinder is covered outside, the detection process of the detection sensor is ensured, the surrounding gas environment is relatively stable, the detection accuracy can be ensured, and the interference of the external environment during the detection in the flowing gas space is reduced.
Description
Technical Field
The utility model belongs to the technical field of oxygen detection, and particularly relates to an oxygen detector.
Background
Oxygen detection is a technology or device for detecting oxygen concentration, and an oxygen detector is generally used in the fields of industry, medical treatment, environmental monitoring and the like to ensure that the oxygen concentration in the environment is within a safe range, and is a common oxygen detection method, wherein the oxygen concentration is detected by an electrochemical sensor, which has high sensitivity and response speed by measuring current or voltage change between oxygen and an electrode during operation.
Chinese patent CN206399905U discloses an oxygen detector. The oxygen detector is used for detecting the content of oxygen in a gas sample and comprises a sample injection module, a separation module and a detection module, wherein the sample injection module is used for inputting the gas sample to be detected into the separation module, the separation module is used for separating the oxygen in the gas sample, the detection module is used for detecting the content of the separated oxygen in the gas sample, and the sample injection module comprises an inert gas source which is disposable and is used for providing carrier gas. The inert gas source for providing the carrier gas is disposable, and has smaller volume, so the oxygen detector has smaller volume, is convenient to carry and can be carried to places such as accident handling sites for on-site detection.
Chinese patent CN115980180a discloses an oxygen concentration detecting mechanism, an oxygen machine and a method for detecting oxygen concentration in the oxygen machine, the oxygen concentration detecting mechanism comprises: the detection tube is provided with an air inlet and an air outlet; the ultrasonic gas concentration detection sensor is arranged in the detection tube to detect the oxygen concentration; the gas compressor is connected with the gas inlet of the detection pipe and is used for conveying oxygen; the pressure sensor is arranged in the detection pipe and is in signal connection with the gas compressor, and the operating power of the gas compressor is controlled by the pressure sensor according to the detected pressure value so as to keep the gas pressure in the detection pipe constant. The oxygen concentration detection mechanism has good stability for detecting the oxygen concentration.
In the prior art, during detection, because the external environment generally has a gas flow state, for real-time different oxygen content states, the oxygen content is detected in an unstable space of the gas environment, so that detection data are inaccurate, and the detection effect is affected; accordingly, an oxygen detector is proposed for the above-mentioned problems.
Disclosure of Invention
Solves the technical problems: and the oxygen content is detected in a space with unstable gas environment, so that detection data are inaccurate, and the detection effect is affected.
The technical scheme adopted for solving the technical problems is as follows: the oxygen detector comprises a detector body, wherein a detection sensor is assembled at the top of the detector body, two fixing strips are fixed on the top side of the detector body, and an air guide cylinder is arranged between the two fixing strips.
The sliding hole is formed in the circumferential wall of the air guide cylinder along the central shaft direction, the brushes are respectively stuck to the hole walls on the two sides of the sliding hole, the piston is arranged in the air guide cylinder in a sliding mode, the guide groove is formed in the edge of the piston, the guide strip is fixed on the inner wall of the air guide cylinder, and the guide strip is of a matched structure with the guide groove in the edge of the piston.
The gas cylinder is arranged right above the detection sensor, the push rod is fixed on the circumferential surface of the piston, the push rod is provided with a sliding hole in a sliding mode, gas on the inner circumference of the gas cylinder can be pushed out when the piston moves, and meanwhile, the gas enters space gas to be detected, so that the accuracy of the detected gas is guaranteed.
Preferably, the swing shaft is symmetrically and rotatably assembled on the circumferential surface of the air guide cylinder, one end of the swing shaft is fixed with a sliding sleeve, and a guide post is inserted in the sliding sleeve.
Preferably, one end of the guide post is arranged on the inner side of the fixing strip, and a damping shaft is fixed on one end side surface of the guide post.
Preferably, the inside of fixed strip slides and is provided with the slider, the one end rotation of damping axle sets up in the slider, can cooperate the guide post position adjustment.
Preferably, the top side of the detector body is fixed with a rubber ring, a sealing ring is fixed on the inner wall of the bottom of the air guide cylinder, and the sealing ring is matched with the rubber ring.
Preferably, the guide bar is parallel with the center shaft of the air guide cylinder, the bottom port of the air guide cylinder is parallel with the top side surface of the detector body, the rubber ring and the sealing ring are matched components, when the air guide cylinder is pressed, the rubber ring and the sealing ring are arranged in a vertically staggered mode, the air guide cylinder can be restrained mutually, the separation of the air guide cylinder and the detector body is avoided, and meanwhile the inner space of the air guide cylinder is ensured to be relatively stable.
The utility model has the beneficial effects that:
the utility model provides an oxygen detector, which is characterized in that in order to ensure the detection effect, two guide posts are in sliding fit during detection, a gas cylinder is slid to the position right above a detection sensor, the initial position of a push rod is positioned at the bottommost part of the gas cylinder, and during detection, the push rod is pushed to drive a piston to slide along a guide bar, so that the piston positioned at the bottom of the gas cylinder is pushed to the top part of the gas cylinder. In the piston pushing process, the gas of the inner circumference of the gas cylinder can be pushed out, meanwhile, the gas entering the detection space from the bottom of the gas cylinder is pushed, then the gas cylinder is pushed, the gas cylinder is covered outside, the detection process of the detection sensor is ensured, the surrounding gas environment is relatively stable, the detection accuracy can be ensured, and the interference of the external environment during the detection in the flowing gas space is reduced.
Drawings
Fig. 1 is a first perspective view of the whole.
Fig. 2 is a perspective view of a space covering structure.
Fig. 3 is a perspective view of the piston in the gas cylinder.
Fig. 4 is a view showing a structure of the seal ring and the rubber ring.
In the figure: 1 denotes a detector body, 2 denotes a fixing bar, 3 denotes a damping shaft, 4 denotes a slider, 5 denotes a detection sensor, 6 denotes a gas cylinder, 7 denotes a guide post, 8 denotes a slide sleeve, 9 denotes a swing shaft, 10 denotes a slide hole, 11 denotes a brush, 12 denotes a push rod, 13 denotes a piston, 14 denotes a guide bar, 15 denotes a seal ring, and 16 denotes a rubber ring.
Description of the embodiments
The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, and various equivalent modifications to the utility model will fall within the scope of the appended claims to the skilled person after reading the utility model.
An oxygen detector is shown in fig. 1-4, and comprises a detector body 1, wherein a detection sensor 5 is arranged at the top of the detector body 1, two fixing strips 2 are fixed on the top side of the detector body 1, and an air guide cylinder 6 is arranged between the two fixing strips 2.
The sliding hole 10 is formed in the circumferential wall of the air guide cylinder 6 along the central axis direction, the brushes 11 are respectively stuck on the hole walls of the two sides of the sliding hole 10, the piston 13 is arranged in the air guide cylinder 6 in a sliding mode, the guide groove is formed in the edge of the piston 13, the guide strip 14 is fixed on the inner wall of the air guide cylinder 6, and the guide groove at the edge of the guide strip 14 and the guide groove at the edge of the piston 13 are of a matched structure.
The air guide cylinder 6 is arranged right above the detection sensor 5, a push rod 12 is fixed on the circumferential surface of the piston 13, and a slide hole 10 is slidably arranged on the push rod 12. When the piston 13 moves, the gas on the inner circumference of the gas cylinder 6 is pushed out, and meanwhile, the gas enters the space to be detected, so that the accuracy of the gas detection is ensured.
The swing shaft 9 is symmetrically and rotatably assembled on the circumferential surface of the air guide cylinder 6, one end of the swing shaft 9 is fixedly provided with the sliding sleeve 8, and the sliding sleeve 8 is internally inserted with the guide post 7.
Further, the one end setting of guide post 7 is in the inboard of fixed strip 2, the one end side of guide post 7 is fixed with damping axle 3, the inside slip of fixed strip 2 is provided with slider 4, the one end rotation setting of damping axle 3 can cooperate to guide post 7 position adjustment, and the operation is more suitable.
Further, the topside of detector body 1 is fixed with rubber ring 16, be fixed with sealing ring 15 on the bottom inner wall of gas cylinder 6, sealing ring 15 and rubber ring 16 mutually support, guide bar 14 is parallel with the center pin of gas cylinder 6, the bottom port of gas cylinder 6 is parallel with the topside of detector body 1, during operation, rubber ring 16 and sealing ring 15 are the cooperation component, and when gas cylinder 6 presses, dislocation set about rubber ring 16 and sealing ring 15 can tie up each other, avoids gas cylinder 6 and detector body 1 separation, guarantees simultaneously that gas cylinder 6 inner space is relatively stable.
When oxygen is detected, the content of detected gas is converted into an electric signal by utilizing an electrochemical principle, the oxygen sensor main body is a barrel-shaped tank body made of plastic, electrolyte is filled in the barrel-shaped tank body, in the sensor detection process, the detected gas permeates into the tank body through a diaphragm to generate an electrolysis current, the oxygen content in the gas can be obtained by forming a current signal, when the detection is carried out, the gas flow state generally exists in the external environment, the real-time oxygen content state is different, in order to ensure the detection effect, when the detection is carried out, the two guide posts 7 are in sliding fit, the air cylinder 6 is slid to the position right above the detection sensor 5, the initial position of the push rod 12 is positioned at the bottommost part of the air cylinder 6, and when the detection is carried out, the push rod 12 is pushed to drive the piston 13 to slide along the guide strip 14, and the piston 13 positioned at the bottom part of the air cylinder 6 is pushed to the top part of the air cylinder 6. In the pushing process of the piston 13, the gas on the inner circumference of the gas cylinder 6 can be pushed out, meanwhile, the gas enters the detection space from the bottom of the gas cylinder 6, then the gas cylinder 6 is pushed, the sliding sleeve 8 slides along the guide post 7, the gas cylinder 6 is covered outside the detection sensor 5, the detection accuracy can be ensured due to the fact that the surrounding gas environment is relatively stable in the detection process of the detection sensor 5, and the interference of the external environment during the detection in the flowing gas space is reduced.
After the detection is finished, the sliding block 4 can slide on the fixing strip 2, and under the cooperation of the fixing strip 2, the guide post 7 can turn over, so that the air guide cylinder 6 is positioned on one side of the top of the detector body 1 and can be folded and stored.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (6)
1. Oxygen detector, including detecting appearance body (1), the top of detecting appearance body (1) is equipped with detection sensor (5), its characterized in that: two fixing strips (2) are fixed on the top side of the detector body (1), and an air guide cylinder (6) is arranged between the two fixing strips (2);
a sliding hole (10) is formed in the circumferential wall of the air guide cylinder (6) along the central axis direction, brushes (11) are respectively stuck to the wall of each of the two sides of the sliding hole (10), a piston (13) is slidably arranged in the air guide cylinder (6), a guide groove is formed in the edge of the piston (13), a guide strip (14) is fixed on the inner wall of the air guide cylinder (6), and the guide strip (14) and the guide groove in the edge of the piston (13) are of a matched structure;
the air guide cylinder (6) is arranged right above the detection sensor (5), a push rod (12) is fixed on the circumferential surface of the piston (13), and a sliding hole (10) is arranged on the push rod (12) in a sliding mode.
2. An oxygen detector according to claim 1, wherein: the air guide cylinder is characterized in that a swinging shaft (9) is symmetrically and rotatably assembled on the circumferential surface of the air guide cylinder (6), one end of the swinging shaft (9) is fixedly provided with a sliding sleeve (8), and a guide column (7) is inserted into the sliding sleeve (8).
3. An oxygen detector according to claim 2, wherein: one end of the guide post (7) is arranged on the inner side of the fixing strip (2), and a damping shaft (3) is fixed on one end side surface of the guide post (7).
4. An oxygen sensor according to claim 3, wherein: the inside slip of fixed strip (2) is provided with slider (4), the one end rotation setting of damping axle (3) is in slider (4).
5. An oxygen detector according to claim 4, wherein: the detector is characterized in that a rubber ring (16) is fixed on the top side of the detector body (1), a sealing ring (15) is fixed on the inner wall of the bottom of the air guide cylinder (6), and the sealing ring (15) is matched with the rubber ring (16).
6. An oxygen detector according to claim 5, wherein: the guide strip (14) is parallel to the central axis of the air guide cylinder (6), and the bottom port of the air guide cylinder (6) is parallel to the top side surface of the detector body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134445.6U CN220525719U (en) | 2023-08-09 | 2023-08-09 | Oxygen detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134445.6U CN220525719U (en) | 2023-08-09 | 2023-08-09 | Oxygen detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525719U true CN220525719U (en) | 2024-02-23 |
Family
ID=89937782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322134445.6U Active CN220525719U (en) | 2023-08-09 | 2023-08-09 | Oxygen detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525719U (en) |
-
2023
- 2023-08-09 CN CN202322134445.6U patent/CN220525719U/en active Active
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