CN217521378U - Thin tube sensor - Google Patents
Thin tube sensor Download PDFInfo
- Publication number
- CN217521378U CN217521378U CN202221274890.1U CN202221274890U CN217521378U CN 217521378 U CN217521378 U CN 217521378U CN 202221274890 U CN202221274890 U CN 202221274890U CN 217521378 U CN217521378 U CN 217521378U
- Authority
- CN
- China
- Prior art keywords
- tubule
- light receiving
- light
- light emitting
- receiving part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a tubule sensor, which comprises a shell, a light emitting part, a light receiving part, a tubule detecting part and a control circuit board, wherein the light emitting part and the light receiving part are respectively electrically connected with the control circuit board; the light emitting part is used for emitting infrared rays, the light receiving part is used for receiving the infrared rays refracted by the tubule, and the control circuit board is used for feeding back the intensity of the infrared rays received by the light receiving part so as to judge the conditions of liquid and bubbles in the tubule. The utility model discloses a set up illuminating part, light receiving part, tubule detection portion and control circuit board in the casing, the infrared light that the illuminating part sent shines and takes place to refract the back by the light receiving part and receive by the tubule, receives the accurate liquid and the bubble condition of judgement tubule of infrared light intensity after the refraction according to the light receiving part.
Description
Technical Field
The utility model relates to a photoelectric sensor technical field, in particular to tubule sensor.
Background
At present, with the development of science and technology and the progress of society, a plurality of experimental devices, chemical equipment and medical equipment all need to detect liquid. Ultrasonic sensors can damage special liquids, such as turbid liquids, infrared correlation sensors can misjudge turbid liquids and colored liquids. And neither can detect the presence of air gaps or bubbles in the liquid.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tubule sensor, can be accurate to have liquid and bubble to judge in the tubule can not destroy liquid simultaneously.
Specifically, the method comprises the following technical scheme:
the embodiment of the utility model provides a tubule sensor, its characterized in that, including casing, illuminating part, light receiving part, tubule detection part and control circuit board, illuminating part, light receiving part and control circuit board all connect in the casing, tubule detection part sets up on the casing;
the light emitting part and the light receiving part are respectively and electrically connected with the control circuit board, the light emitting part and the light receiving part are symmetrically arranged on two sides of the tubule detection part, and after a tubule is placed in the tubule detection part, the outer wall of the tubule is intersected with a central connecting line of the center of the light emitting part and the central connecting line of the light receiving part so that light emitted by the light emitting part can irradiate the tubule;
the illuminating part is used for emitting infrared light, the light receiving part is used for receiving the light via infrared light after the tubule is refracted, control circuit board is used for feeding back the light receiving part receives infrared light's intensity is in order to judge the liquid and the bubble condition in the tubule.
Optionally, the tubule detection part is a concave through groove, the concave through groove is arranged along the upper surface of the housing, and after the tubule is placed in the tubule detection part, the light emitting part and the light receiving part are symmetrically arranged on two sides of the tubule in the horizontal direction and are respectively and vertically connected above the control circuit board;
the electric control circuit board is connected with the inside of the shell.
Optionally, the tubule is connected to the upper part in the housing, and the light emitting part and the light receiving part are symmetrically arranged on two sides of the tubule in the horizontal direction and are respectively and vertically connected above the control circuit board;
the electric control circuit board is connected with the inside of the shell.
Optionally, the housing comprises a first housing and a second housing, and the first housing is movably connected to the upper part of the second housing;
the concave type leads to the groove set up in the upper surface of second casing, with concave type leads to the groove is relative the lower surface of first casing is provided with the bulge, the bulge with concave type leads to the groove and is adapted so as to compress tightly the tubule.
Optionally, the horizontal distance from the center of the light emitting part and the center of the light receiving part to the center of the tubule respectively is a first preset distance, and the vertical distance from the center of the light emitting part and the center of the light receiving part to the center of the tubule respectively is a second preset distance;
the light emitting part and the light receiving part are arranged with the first preset distance and the second preset distance to enable the infrared light to irradiate the thin tube with preset intensity.
Optionally, the control circuit board is further used for connecting an upper computer, and the upper computer is used for displaying result information fed back by the control circuit board.
Optionally, the light emitting part is a light emitting element or an infrared emitting tube, and the light receiving part is a light receiving element or an infrared receiving tube.
Optionally, the housing has a polymer texture or a polycarbonate texture.
Optionally, the tubule includes a drip line, a blood test tube, and a urine test tube.
The embodiment of the utility model provides a technical scheme's beneficial effect includes at least:
the utility model discloses a set up illuminating part, light receiving part, tubule detection part and control circuit board in the casing, when the tubule is placed behind the tubule detection part, when the infrared light that the illuminating part sent shines on the tubule, when there is no liquid in the tubule, the air that the infrared light refraction entered in the tubule refracts to the outside air again from the tubule, because the air is in the tubule, according to the refraction principle, the infrared light major part that the illuminating part sent can finally assemble at the light receiving part; when liquid exists in the tubule, infrared rays are refracted to enter the liquid in the tubule and then are refracted to the outside air from the tubule, and most of infrared rays emitted by the light emitting part after refraction cannot be converged at the light receiving part due to the fact that the liquid is in the tubule; the control circuit board can accurately judge the liquid condition in the thin tube according to the refracted infrared light intensity received by the light receiving part, can accurately detect the liquid condition in the thin tube, is not only suitable for medical equipment, experimental equipment and chemical equipment, but also can detect whether bubbles exist in any liquid in the thin tube or not without damaging the liquid.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a cross-sectional view of a tubule sensor according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the principle of the capillary tube sensor when no liquid is present in the capillary tube according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the working principle of the tubule sensor when liquid is present in the tubule according to the embodiment of the present invention.
Fig. 4 is an external structure diagram of the tubule placed behind the tubule sensor according to the embodiment of the present invention.
Fig. 5 is a schematic view of an external structure of the tubule sensor when the tubule is taken out of the tubule sensor according to the embodiment of the present invention.
The reference numerals in the figures denote:
1-a shell; 11-a first housing; 111-a projection; 12-a second housing; 121-concave through slots; 2-a light-emitting part; 3-a light receiving part; 4-a tubule detection section; 5-a control circuit board; 6-thin tube.
There have been shown in the drawings and will hereinafter be described in detail specific embodiments of the invention. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical solutions and advantages of the present invention clearer, the following will describe the embodiments of the present invention in further detail with reference to the accompanying drawings.
Unless otherwise defined, technical or scientific terms used herein shall have the meaning understood by those of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
To facilitate an understanding of the present invention, the general structure of the tubule sensor and its application are exemplarily described herein.
Fig. 1 is according to the utility model discloses the cross-sectional view of tubule sensor, fig. 2 is according to the utility model discloses when having no liquid in the tubule principle structure sketch map of tubule sensor during operation, fig. 3 is according to the utility model discloses a when having liquid in the tubule principle structure sketch map of tubule sensor during operation, fig. 4 is according to the utility model discloses place the external structure sketch map behind the tubule sensor with the tubule, fig. 5 is according to the utility model discloses an external structure sketch map when taking out tubule sensor with the tubule.
As shown in fig. 1, the tubule sensor according to the embodiment of the present invention includes a housing 1, a light emitting portion 2, a light receiving portion 3, a tubule detecting portion 4 and a control circuit board 5, wherein the light emitting portion 2, the light receiving portion 3 and the control circuit board 5 are all connected in the housing, and the tubule detecting portion 4 is disposed on the housing 1; the light emitting part 2 and the light receiving part 3 are respectively electrically connected with the control circuit board 5, the light emitting part 2 and the light receiving part 3 are symmetrically arranged at two sides of the thin tube detection part 4, after the thin tube 6 is placed on the thin tube detection part 4, the outer wall of the thin tube 6 is intersected with a connecting line of the center of the light emitting part 2 and the center of the light receiving part 3 so that light emitted by the light emitting part 2 can irradiate the thin tube 6; the light emitting part 2 emits infrared light, the light receiving part 3 receives the infrared light refracted by the tubule 6, and the control circuit board 5 feeds back the intensity of the infrared light received by the light receiving part 3 to determine the condition of the liquid in the tubule 6.
The utility model discloses a set up illuminating part, light receiving part, tubule detection part and control circuit board in the casing, when the tubule is placed behind the tubule detection part, when the infrared light that the illuminating part sent shines on the tubule, when there is no liquid in the tubule, the air that the infrared light refraction entered in the tubule refracts to the outside air again from the tubule, because the air is in the tubule, according to the refraction principle, the infrared light major part that the illuminating part sent can finally assemble at the light receiving part; when liquid exists in the tubule, infrared rays are refracted into the liquid in the tubule and then are refracted to the outside air from the tubule, and most of infrared rays emitted by the light emitting part after refraction cannot be converged at the light receiving part due to the fact that the liquid is in the tubule; the control circuit board can accurately judge the liquid condition in the thin tube according to the refracted infrared light intensity received by the light receiving part, can accurately detect the liquid condition in the thin tube, is not only suitable for medical equipment, experimental equipment and chemical equipment, but also can detect whether bubbles exist in any liquid in the thin tube or not without damaging the liquid.
As shown in fig. 1, the tubule detecting part 4 is a concave through groove 121, the concave through groove 121 is arranged along the upper surface of the housing 1, and after the tubule 6 is placed on the tubule detecting part 4, the light emitting part 2 and the light receiving part 3 are symmetrically arranged on two sides of the tubule 6 in the horizontal direction and are respectively vertically connected above the control circuit board 5; the control circuit board 5 is connected to the inside of the housing 1.
After the thin tube 6 is placed in the concave through groove 121, the light emitting part 2 and the light receiving part 3 are respectively and symmetrically arranged on two sides of the thin tube 6 in the horizontal direction, and the light emitting part 2 and the light receiving part 3 are vertically connected above the control circuit board 5, so that the light emitting part 2 and the light receiving part 3 are arranged in parallel, the position relation among the light emitting part 2, the light receiving part 3 and the thin tube 6 is set more accurately and conveniently, and the accuracy of a detection result and the convenience in installation of the thin tube 6 are ensured.
As shown in fig. 4 and 5, the housing 1 includes a first housing 11 and a second housing 12, the first housing 11 is movably connected to an upper portion of the second housing 12; the concave through groove 121 is disposed on the upper surface of the second housing 12, the lower surface of the first housing 11 opposite to the concave through groove 121 is provided with a protrusion 111, and the protrusion 111 is matched with the concave through groove 121 to compress the tubule 6.
Be convenient for lay of tubule 6, pass through the round pin hub connection with the corresponding tip of first casing 11 and second casing 12 for first casing 11 can upwards overturn for second casing 12 and open and shut, places tubule 6 in concave logical groove 121, and the bulge 111 through the lower surface setting of first casing 11 compresses tightly tubule 6 to wait for detecting easy operation, convenience.
As shown in fig. 1 to 3, the horizontal distance from the center of light-emitting part 2 and the center of light-receiving part 3 to the center of tubule 6 is a first preset distance, and the vertical distance from the center of light-emitting part 2 and the center of light-receiving part 3 to the center of tubule 6 is a second preset distance; the light emitting part 2 and the light receiving part 3 are disposed at a first preset distance and a second preset distance from the tubule 6 so that infrared light irradiates the tubule 6 with a preset intensity.
After the tubule 6 is placed in the tubule detecting portion 4, the infrared light emitted from the light emitting portion 2 is irradiated to the tubule 6 with a predetermined intensity, so that the light receiving portion 3 can receive the infrared light refracted by the tubule 6 more effectively. In actual detection, can adjust first preset distance and second preset distance according to the size of tubule 6, avoid first preset distance too big influence infrared light shine the intensity of tubule 6 or the second preset distance is too big makes infrared light can't shine tubule 6, predetermine intensity for infrared light shine tubule 6 with certain distance after the refraction can be by the accurate intensity that receives of light receiving part 3.
When the arrangement among the light reflecting part 2, the light receiving part 3 and the tubule 6 meets the first preset distance and the second preset distance, the infrared light irradiates the tubule 6 with preset intensity, and the accuracy of the detection result of the working tubule sensor is ensured.
As shown in fig. 1, the control circuit board 5 is further used for connecting to an upper computer, and the upper computer is used for displaying result information fed back by the control circuit board.
In order to facilitate the operator right tubule sensor testing result observe, can also be connected control circuit board 5 and host computer, the host computer can be display terminal such as computer equipment, and control circuit board 5 handles the back with received photoelectric data and transmits for the host computer, finally shows on the host computer the last result that tubule sensor detected, convenient, swift has improved work efficiency.
As shown in fig. 2 and 3, the light emitting portion is a light emitter or an infrared ray emitting tube, and the light receiving portion is a light receiver or an infrared ray receiving tube.
The light emitting unit 2 may be any member that can emit infrared light, and similarly, the light receiving unit 3 may be any member that can receive infrared light, and is not particularly limited.
As shown in fig. 1, the case 1 has a polymer material texture or a polycarbonate texture.
The polymer material or polycarbonate material has high impact resistance, high refractive index, high processability and light weight.
As shown in fig. 1, 4 and 5, the tubule includes a drip line, a blood test tube and a urine test tube.
The utility model provides a tubule sensor can detect multiple tubule 6, for example bit pipeline, blood detection test tube and urine detection test tube etc. all can be accurate judge the liquid condition in the pipeline, avoid appearing the deliquescing in the pipeline or having the emergence of the bubble condition, as long as the transparent or translucent pipe that has liquid in tubule 6 all can detect it, specifically do not prescribe a limit to.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A tubule sensor is characterized by comprising a shell, a light emitting part, a light receiving part, a tubule detection part and a control circuit board, wherein the light emitting part, the light receiving part and the control circuit board are all connected in the shell, and the tubule detection part is arranged on the shell;
the light emitting part and the light receiving part are respectively and electrically connected with the control circuit board, the light emitting part and the light receiving part are symmetrically arranged on two sides of the tubule detection part, and after a tubule is placed in the tubule detection part, the outer wall of the tubule is intersected with a central connecting line of the center of the light emitting part and the central connecting line of the light receiving part so that light emitted by the light emitting part can irradiate the tubule;
the illuminating part is used for emitting infrared light, the light receiving part is used for receiving the light via infrared light after the tubule is refracted, control circuit board is used for feeding back the light receiving part receives infrared light's intensity is in order to judge the liquid and the bubble condition in the tubule.
2. The tubule sensor of claim 1, wherein the tubule detecting portion is a concave through groove provided along an upper surface of the housing, and when the tubule is placed in the tubule detecting portion, the light emitting portion and the light receiving portion are symmetrically provided on both sides of the tubule in the horizontal direction and are vertically connected to the control circuit board, respectively;
the control circuit board is connected with the inside of the shell.
3. The tubule sensor of claim 2, wherein the housing comprises a first housing and a second housing, the first housing movably connected to an upper portion of the second housing;
the concave type leads to the groove set up in the upper surface of second casing, with concave type leads to the groove is relative the lower surface of first casing is provided with the bulge, the bulge with concave type leads to the groove and is adapted so as to compress tightly the tubule.
4. The tubule sensor of claim 1, wherein a horizontal distance from a center of the light emitting part and a center of the light receiving part to a center of the tubule, respectively, is a first preset distance, and a vertical distance from the center of the light emitting part and the center of the light receiving part to the center of the tubule, respectively, is a second preset distance;
the light emitting part and the light receiving part are arranged with the first preset distance and the second preset distance to enable the infrared light to irradiate the thin tube with preset intensity.
5. The tubule sensor of claim 1, wherein the control circuit board is further configured to connect to an upper computer, the upper computer being configured to display result information fed back by the control circuit board.
6. The capillary sensor according to claim 1, wherein the light emitting part is a light emitting element or an infrared ray emitting tube, and the light receiving part is a light receiving element or an infrared ray receiving tube.
7. The tubule sensor of claim 1, wherein the housing is of polymeric or polycarbonate material.
8. The tubule sensor of claim 1, wherein the tubule comprises a drip line, a blood detection tube, and a urine detection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274890.1U CN217521378U (en) | 2022-05-25 | 2022-05-25 | Thin tube sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221274890.1U CN217521378U (en) | 2022-05-25 | 2022-05-25 | Thin tube sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521378U true CN217521378U (en) | 2022-09-30 |
Family
ID=83390062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221274890.1U Active CN217521378U (en) | 2022-05-25 | 2022-05-25 | Thin tube sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521378U (en) |
-
2022
- 2022-05-25 CN CN202221274890.1U patent/CN217521378U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5345767B2 (en) | Surgical system, fluid level detection system, fluid level measurement method, and method for measuring the presence of fluid | |
| EP0121848B1 (en) | Apparatus for detecting bubbles in a liquid | |
| US8179528B2 (en) | Assembly comprising a portable device having fluid-fillable container and a holder | |
| CN102323215A (en) | Analyzing and reading device and method | |
| CN105022533B (en) | Display module | |
| CN104374743A (en) | Turbidity sensor and turbidity measurement device | |
| CN217521378U (en) | Thin tube sensor | |
| CN104040795A (en) | Connector for connecting bio-sensor and measuring instrument thereof | |
| CN203479704U (en) | Instrument for measuring optical density of microorganism suspension liquid | |
| CN103969219A (en) | Silicon oil detector and power terminal assembly | |
| CN112362134A (en) | Liquid level position detection device and detection method | |
| US6166630A (en) | Wireless fuel gauge | |
| CN202189015U (en) | Analyzing and reading device | |
| CN210072097U (en) | In-tube bubble detection device | |
| CN208488363U (en) | PM2.5 dust sensor | |
| US5698775A (en) | Device for locating the position of the separation between two mediums, and a receptacle and a detection process employing the device | |
| CN202740517U (en) | Detection device for bubbles in infusion tube | |
| CN201166261Y (en) | Optical fiber probe for detecting transparent liquid cutoff | |
| CN217981886U (en) | On-site detection device of water tank and water tank | |
| CN210400539U (en) | Optical pipeline type liquid level sensor | |
| CN217561345U (en) | Infusion detection device | |
| CN220735508U (en) | Tumor cell tracing and marking device | |
| CN216697249U (en) | Interactive device | |
| CN214096073U (en) | Surveying and mapping scale and surveying and mapping device assembly | |
| CN218566626U (en) | Non-contact liquid level detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |