CN111693113A - Infrared sensor for underground liquid level detection - Google Patents
Infrared sensor for underground liquid level detection Download PDFInfo
- Publication number
- CN111693113A CN111693113A CN202010508440.3A CN202010508440A CN111693113A CN 111693113 A CN111693113 A CN 111693113A CN 202010508440 A CN202010508440 A CN 202010508440A CN 111693113 A CN111693113 A CN 111693113A
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- Prior art keywords
- electrode
- shell
- liquid level
- infrared sensor
- electric sheet
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- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 21
- 239000012790 adhesive layer Substances 0.000 claims description 13
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 10
- 239000004593 Epoxy Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses an infrared sensor for underground liquid level detection, which comprises a shell, wherein a glass lens is arranged on the upper surface of the shell, a reinforcing plate is arranged on the lower surface of the shell, a fixed seat is arranged inside the shell, a photosensitive electric sheet is arranged on the upper surface of the fixed seat, an epoxy resin block is arranged inside the photosensitive electric sheet, an electrode is arranged on the lower surface of the epoxy resin block, a ceramic substrate is arranged on the lower surface of the electrode, a lead is arranged inside the electrode, the lead penetrates through and extends to the outside of the photosensitive electric sheet, an insulating sleeve is arranged on the outer wall of the lead, the insulating sleeve penetrates through and extends to the outside of the reinforcing plate, and a pin is arranged on the outer wall of the insulating sleeve. The anti-static layer and the waterproof putty layer can effectively play roles of static electricity prevention and moisture prevention, so that the sensor can be ensured to carry out liquid level detection work underground.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to an infrared sensor for underground liquid level detection.
Background
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
The sensor features include: miniaturization, digitalization, intellectualization, multifunction, systematization and networking. The method is the first link for realizing automatic detection and automatic control. The existence and development of the sensor enable the object to have the senses of touch, taste, smell and the like, and the object slowly becomes alive. Generally, the sensor is classified into ten categories, i.e., a thermosensitive element, a photosensitive element, a gas-sensitive element, a force-sensitive element, a magnetic-sensitive element, a humidity-sensitive element, a sound-sensitive element, a radiation-sensitive element, a color-sensitive element, and a taste-sensitive element, according to their basic sensing functions.
The conventional sensors lack effective protection measures during use, and normal signal transmission of the sensors is often influenced by the environment with moisture and static electricity in the downhole during the process of downhole operation.
Disclosure of Invention
The invention aims to provide an infrared sensor for underground liquid level detection, which aims to solve the problem that the traditional sensor provided in the background technology lacks effective protective measures in the using process and influences the signal transmission of the sensor.
In order to achieve the purpose, the invention provides the following technical scheme: an infrared sensor for detecting underground liquid level comprises a shell, wherein a glass lens is arranged on the upper surface of the shell, the lower surface of the shell is provided with a reinforcing plate, the interior of the shell is provided with a fixed seat, the upper surface of the fixed seat is provided with a photosensitive electric sheet, an epoxy resin block is arranged in the photosensitive electric sheet, an electrode is arranged on the lower surface of the epoxy resin block, the lower surface of the electrode is provided with a ceramic substrate, the inside of the electrode is provided with a lead, the lead penetrates through and extends to the outside of the photosensitive electric sheet, the outer wall of the lead is provided with an insulating sleeve which penetrates through and extends to the outside of the reinforcing plate, the outer wall of the insulating sleeve is provided with pins, the outer wall of the shell is provided with an anti-static layer, an adhesive layer is arranged on one side of the anti-static layer, and a waterproof putty layer is arranged on one side of the adhesive layer.
Preferably, the two wires are arranged symmetrically with respect to a vertical center line of the photo-sensitive electrode.
Preferably, the vertical center line of the photosensitive electric sheet is coincident with the vertical center line of the glass lens.
Preferably, the epoxy block is disposed directly above the electrode.
Preferably, the photo-sensitive electrode sheet includes an epoxy block, an electrode, and a ceramic substrate.
Preferably, the antistatic layer is fixedly connected with the waterproof putty layer through an adhesive layer.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the anti-static layer and the waterproof putty layer can effectively play roles of static electricity prevention and moisture prevention, the anti-static layer plays a role of static electricity placement, and the adhesive layer plays a role of fixing and adhering the anti-static layer and the waterproof putty layer to play a role of water prevention and moisture prevention, so that the problem that the sensor is influenced by a complex underground environment is avoided, and the sensor can be ensured to carry out liquid level detection work underground.
2. The photosensitive electric sheet plays a role in converting optical signals into electric signals, the sensitive wavelength of the photosensitive electric sheet is near the visible light wavelength, the infrared wavelength and the ultraviolet wavelength are included, and the converted infrared laser signals are converted into electric signals, so that the underground liquid level detection work is realized. .
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the photosensitive electrode of the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
in the figure: 1. a housing; 2. a glass lens; 3. a reinforcing plate; 4. a pin; 5. a photosensitive electrode; 51. an epoxy resin block; 52. an electrode; 53. a ceramic substrate; 6. a fixed seat; 7. a wire; 8. an insulating sleeve; 9. an antistatic layer; 10. an adhesive layer; 11. a water-resistant putty layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: an infrared sensor for underground liquid level detection comprises a shell 1, a glass lens 2 is arranged on the upper surface of the shell 1, the glass lens 2 plays a role of penetrating infrared laser reflection, a reinforcing plate 3 is arranged on the lower surface of the shell 1, the reinforcing plate 3 plays a role of reinforcing the shell 1, a fixing seat 6 is arranged inside the shell 1, a photosensitive electric sheet 5 is arranged on the upper surface of the fixing seat 6, the photosensitive electric sheet 5 plays a role of converting optical signals, an epoxy resin block 51 is arranged inside the photosensitive electric sheet 5, the epoxy resin block 51 plays a role of transmitting optical signals, an electrode 52 is arranged on the lower surface of the epoxy resin block 51, a ceramic substrate 53 is arranged on the lower surface of the electrode 52, a lead 7 is arranged inside the electrode 52, the lead 7 plays a role of transmitting electric signals, the lead 7 penetrates through and extends to the outside of the photosensitive electric sheet 5, and an insulating sleeve 8 is arranged on the outer wall of, insulating cover 8 runs through and extends to gusset plate 3's outside, be provided with pin 4 on insulating cover 8's the outer wall, pin 4 plays the effect of drawing wire 7, be provided with antistatic backing 9 on casing 1's the outer wall, antistatic backing 9 plays the effect of antistatic, one side of antistatic backing 9 is provided with adhesive layer 10, adhesive layer 10 plays the effect of fixed adhesion, one side of adhesive layer 10 is provided with water-fast putty layer 11, water-fast putty layer 11 plays damp-proofing effect.
Further, the number of the wires 7 is two, the two wires 7 are symmetrical about the vertical center line of the photosensitive electrode 5, the two wires 7 are used for electrically connecting the sensor with external equipment, and the two wires are connected with the positive electrode and the negative electrode of the sensor, so that the external equipment can receive information sent by the sensor.
Furthermore, the vertical center line of the photosensitive electric sheet 5 is superposed with the vertical center line of the glass lens 2, the photosensitive electric sheet plays a role of converting optical signals into electric signals, the sensitive wavelength of the photosensitive electric sheet is near the visible light wavelength and comprises infrared wavelength and ultraviolet wavelength, and the converted infrared laser signals are converted into electric signals, so that the underground liquid level detection work is realized.
Further, an epoxy block 51 is disposed directly above the electrode 52, the epoxy block 51 functions to receive an optical signal, and the epoxy block 51 is used as a transmission medium to conduct the optical signal received by the glass lens 2 into the photo-sensitive sheet 5, thereby performing a function of converting the optical signal into an electrical signal and transmitting the electrical signal to an external device.
Further, photosensitive electric sheet 5 includes epoxy block 51, electrode 52 and ceramic substrate 53, and epoxy block 51 plays the effect of transmitting light signal, and electrode 52 plays the effect of converting light signal into the signal of telecommunication, and ceramic substrate 53 is insulating material, plays the effect of insulating photosensitive electric sheet 5 when transmitting the signal of telecommunication for photosensitive electric sheet 5's structure is more stable.
Further, antistatic backing 9 passes through adhesive layer 10 and water proof putty layer 11 fixed connection, and antistatic backing 9 plays the effect of placing static, and adhesive layer 10 plays the effect of fixed adhesion antistatic backing 9 and water proof putty layer 11 and plays dampproofing and waterproofing's effect to the problem of complex environment in the pit to the sensor production influence has been avoided.
The working principle is as follows: when the infrared laser sensor is used, two pins 4 of the sensor are connected to an external device body, the sensor is placed underground, the underground liquid level is irradiated through infrared laser, the infrared laser is irradiated on a glass lens 2 of the sensor after being reflected by the underground liquid level, the infrared laser penetrates through the glass lens 2 and is transmitted to the inside of the shell 1, under the action of the epoxy resin block 51, the infrared laser is transmitted into the electrode 52, the infrared laser signal is converted into an electric signal under the action of the electrode 52, the electric signal is transmitted to the external device connected with the sensor under the action of the lead 7, after the external device receives the electric signal, the liquid level distance of the underground liquid is calculated according to the reflection speed of the infrared laser received by the sensor and the transmission speed of the infrared laser, and the work is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An infrared sensor for underground liquid level detection comprises a shell (1), and is characterized in that: the upper surface of the shell (1) is provided with a glass lens (2), the lower surface of the shell (1) is provided with a reinforcing plate (3), a fixing seat (6) is arranged inside the shell (1), a photosensitive electric sheet (5) is arranged on the upper surface of the fixing seat (6), an epoxy resin block (51) is arranged inside the photosensitive electric sheet (5), an electrode (52) is arranged on the lower surface of the epoxy resin block (51), a ceramic substrate (53) is arranged on the lower surface of the electrode (52), a lead (7) is arranged inside the electrode (52), the lead (7) penetrates through and extends to the outside of the photosensitive electric sheet (5), an insulating sleeve (8) is arranged on the outer wall of the lead (7), the insulating sleeve (8) penetrates through and extends to the outside of the reinforcing plate (3), and a pin (4) is arranged on the outer wall of the insulating sleeve (8), the anti-static shell is characterized in that an anti-static layer (9) is arranged on the outer wall of the shell (1), an adhesive layer (10) is arranged on one side of the anti-static layer (9), and a waterproof putty layer (11) is arranged on one side of the adhesive layer (10).
2. The infrared sensor for detecting the liquid level in the well as claimed in claim 1, wherein: the number of the conducting wires (7) is two, and the two conducting wires (7) are symmetrical relative to the vertical center line of the photosensitive electric sheet (5).
3. The infrared sensor for detecting the liquid level in the well as claimed in claim 1, wherein: the vertical central line of the photosensitive electric sheet (5) is superposed with the vertical central line of the glass lens (2).
4. The infrared sensor for detecting the liquid level in the well as claimed in claim 1, wherein: the epoxy resin block (51) is disposed directly above the electrode (52).
5. The infrared sensor for detecting the liquid level in the well as claimed in claim 1, wherein: the photosensitive electrode sheet (5) comprises an epoxy resin block (51), an electrode (52) and a ceramic substrate (53).
6. The infrared sensor for detecting the liquid level in the well as claimed in claim 1, wherein: the anti-static layer (9) is fixedly connected with the waterproof putty layer (11) through an adhesive layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508440.3A CN111693113A (en) | 2020-06-06 | 2020-06-06 | Infrared sensor for underground liquid level detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010508440.3A CN111693113A (en) | 2020-06-06 | 2020-06-06 | Infrared sensor for underground liquid level detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111693113A true CN111693113A (en) | 2020-09-22 |
Family
ID=72479669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010508440.3A Withdrawn CN111693113A (en) | 2020-06-06 | 2020-06-06 | Infrared sensor for underground liquid level detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111693113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116952880A (en) * | 2023-08-07 | 2023-10-27 | 江苏省环境科学研究院 | Detection system and detection method suitable for various media |
-
2020
- 2020-06-06 CN CN202010508440.3A patent/CN111693113A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116952880A (en) * | 2023-08-07 | 2023-10-27 | 江苏省环境科学研究院 | Detection system and detection method suitable for various media |
| CN116952880B (en) * | 2023-08-07 | 2024-03-15 | 江苏省环境科学研究院 | Detection system and detection method suitable for various media |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200922 |