CN217032685U - Liquid level detection device and Soxhlet extraction instrument - Google Patents
Liquid level detection device and Soxhlet extraction instrument Download PDFInfo
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- CN217032685U CN217032685U CN202220794736.0U CN202220794736U CN217032685U CN 217032685 U CN217032685 U CN 217032685U CN 202220794736 U CN202220794736 U CN 202220794736U CN 217032685 U CN217032685 U CN 217032685U
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Abstract
The utility model provides a liquid level detection device and a Soxhlet extractor, which relate to the technical field of Soxhlet extractors and comprise the following components: the device comprises a transmitting mechanism, a receiving mechanism and a detection main body; the transmitting mechanism, the receiving mechanism and the container are all arranged on the detection main body, wherein the transmitting mechanism can be a light source, the receiving mechanism is a photoelectric sensor, when liquid exists in the container, the detection light rays are deflected due to the refraction of the liquid, so that the receiving mechanism cannot receive the detection light rays, and the receiving mechanism detects that the liquid exists in the position; when there is not liquid in the container, detection light passes and arrives after the container and predetermine the position and be received by receiving mechanism, makes receiving mechanism detect here and do not have liquid to confirm the position of liquid level, it is not accurate to have alleviated the liquid level measuring result that exists among the prior art, frequently change solvent cup complex operation, can not bear the technical problem of adverse circumstances, it is accurate to have reached the detection, can frequently change the solvent cup that awaits measuring, and do not receive solvent corrosion, the technological effect of high temperature influence.
Description
Technical Field
The utility model relates to the technical field of Soxhlet extractors, in particular to a liquid level detection device and a Soxhlet extractor.
Background
The Soxhlet extractor is an apparatus which is suitable for the fields of food, environment, chemistry, medicine, feed, industry and the like and is used for extracting organic compounds in samples.
The Soxhlet extractor in the current market has no function of detecting the liquid level of the solvent cup to be detected, so that the Soxhlet extractor cannot directly measure the height of the liquid level in the solvent cup, the extraction progress of the Soxhlet extractor is difficult to master, and the residual amount of the solution cannot be accurately determined.
In the prior art, the solvent remaining in the solvent cup is generally estimated by controlling the temperature and time, thereby preventing the solvent cup from being dried and retaining a certain volume of solution, or by measuring the volume of solution by means of a proximity capacitor.
However, the method for estimating the residual solvent in the solvent cup by the method for controlling the temperature and the time is inaccurate, the measurement method of the proximity capacitor is easily influenced by the temperature, so that the measurement is inaccurate, and meanwhile, the measurement method of the proximity capacitor cannot bear severe environments such as high temperature and corrosion, the service life is short, and the operation is inconvenient in the process of replacing the solvent cup.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid level detection device and a Soxhlet extraction instrument, and aims to solve the technical problems that in the prior art, the liquid level measurement result is not accurate, the operation is complicated when a solvent cup is frequently replaced, and the severe environment cannot be borne.
The utility model provides a liquid level detection device, which is used for detecting the liquid level height in a container and comprises: the device comprises a transmitting mechanism, a receiving mechanism and a detection main body;
the emitting mechanism, the receiving mechanism and the container are all arranged on the detection main body, the emitting mechanism is used for emitting detection light rays to the container, and the receiving mechanism is used for receiving the detection light rays penetrating through the empty container.
In an alternative embodiment, the emission mechanism is provided in plurality, and the plurality of emission mechanisms are arranged along the height direction of the container, and are used for emitting the detection light to the container;
the number of the receiving mechanisms is consistent with that of the emitting mechanisms, and each receiving mechanism corresponds to one emitting mechanism, so that the detection light emitted by each emitting mechanism is received by the receiving mechanism after passing through an empty container.
In an optional implementation manner, the container further comprises a detection cover, the detection cover is arranged on one side of the container, the detection cover is connected with the detection main body, the emission mechanism and the receiving mechanism are arranged in the detection cover, and both the emission mechanism and the receiving mechanism are connected with the detection cover.
In an alternative embodiment, the detection cover is provided in a plurality, and the detection covers are uniformly distributed along the horizontal direction, and each detection cover is used for detecting one container.
In an alternative embodiment, the detection hood is provided with an opening;
the opening faces the container, the detection light emitted by the emitting mechanism can be emitted from the opening, and the detection light can enter the receiving mechanism from the opening.
In an alternative embodiment, a reflector is also included;
the reflection piece is arranged on one side, far away from the detection cover, of the container, the reflection piece is connected with the detection body, and the reflection piece is used for reflecting detection light rays emitted by the emission mechanism to the receiving mechanism after the container is empty.
In an alternative embodiment, the reflecting member is provided in plurality, and each reflecting member corresponds to one of the detection covers.
In an alternative embodiment, the device further comprises an alarm piece; the alarm piece is in electric signal connection with the receiving mechanism.
In an alternative embodiment, the liquid level measuring device further comprises a display electrically connected with the receiving mechanism, and the display is used for displaying the height of the liquid level in the container.
The Soxhlet extractor provided by the utility model comprises the liquid level detection device.
The utility model provides a liquid level detection device and a Soxhlet extraction instrument, which are used for detecting the liquid level height in a container, and comprise: the device comprises a transmitting mechanism, a receiving mechanism and a detection main body; the transmitting mechanism, the receiving mechanism and the container are all arranged on the detection main body, wherein the transmitting mechanism can be a light source, the receiving mechanism is a photoelectric sensor, the transmitting mechanism is used for transmitting detection light to the container, the receiving mechanism is used for receiving the detection light penetrating through an empty container, when liquid exists in the container, the detection light is deflected due to refraction of the liquid, so that the receiving mechanism cannot receive the detection light, and the receiving mechanism detects that the liquid exists; when there is not liquid in the container, detection light passes and arrives after the container and predetermine the position and be received by receiving mechanism, makes receiving mechanism detect here and do not have liquid to confirm the position of liquid level, it is not accurate to have alleviated the liquid level measuring result that exists among the prior art, frequently change solvent cup complex operation, can not bear the technical problem of adverse circumstances, it is accurate to have reached the detection, can frequently change the solvent cup that awaits measuring, and do not receive solvent corrosion, the technological effect of high temperature influence.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a liquid level detection device and a Soxhlet extractor provided by an embodiment of the utility model;
FIG. 2 is a top view of the liquid level detection device and the Soxhlet extractor provided by the embodiment of the utility model;
FIG. 3 is a schematic diagram of one implementation principle of the liquid level detection device and the Soxhlet extractor provided by the embodiment of the utility model;
FIG. 4 is a schematic structural diagram of a liquid level detection device and a detection cover of a Soxhlet extractor provided in the embodiment of the present invention;
FIG. 5 is a schematic diagram of a liquid level detection device and a Soxhlet extractor according to another implementation principle of the embodiment of the utility model;
fig. 6 is a schematic diagram of a liquid level detection device and a soxhlet extractor according to still another implementation principle of the embodiment of the present invention.
An icon: 1-a launching mechanism; 2-a receiving mechanism; 3-detecting the subject; 4-a detection cover; 5-a reflector; 6-container.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
As shown in fig. 1 to 6, a liquid level detecting apparatus provided by the embodiment of the present invention is used for detecting a liquid level inside a container 6, and includes: the device comprises a transmitting mechanism 1, a receiving mechanism 2 and a detection main body 3; the emitting mechanism 1, the receiving mechanism 2 and the container 6 are all arranged on the detection body 3, the emitting mechanism 1 is used for emitting detection light to the container 6, and the receiving mechanism 2 is used for receiving the detection light which passes through the empty container 6.
It should be noted that, the emitting mechanism 1 may include an infrared light source, and the receiving mechanism 2 may include a photoelectric sensor, wherein, the container 6 may be a transparent glass container 6 through which the detection light easily passes, and the container 6 may be arranged along a horizontal direction, further, the detection main body 3 may be a main body of the soxhlet extraction apparatus, and the emitting mechanism 1 and the receiving mechanism 2 may be arranged oppositely, as shown in fig. 5, the detection light emitted by the emitting mechanism 1 is received by the receiving mechanism 2 after passing through the container 6, which indicates that there is no liquid in this position of the container 6; the detection light emitted by the emitting mechanism 1 passes through the container 6 and is not received by the receiving mechanism 2, which indicates that the detection light is refracted by the liquid in the container 6 when passing through the container 6, so that the receiving mechanism 2 does not receive the deflected detection light, which indicates that the liquid is in the position of the container 6; in the soxhlet extraction apparatus working process, because the solution in the container 6 constantly reduces, the liquid level constantly descends, can set up launching mechanism 1 and receiving mechanism 2 on predetermined height, when the liquid level slowly descends until below the predetermined height, receiving mechanism 2 receives the detection light of launching mechanism 1 transmission, there is the signal of telecommunication to send from receiving mechanism 2 this moment, in order to guide the operator liquid level to reach the assigned position, make liquid level control more accurate in the container 6, and simultaneously, solution does not require in the container 6, can be at corrosive solution, use under the environment such as high temperature, and frequently change and still can measure under the container 6.
The liquid level detection device and the Soxhlet extractor provided by the embodiment of the utility model are used for detecting the liquid level height in a container 6, and comprise: the device comprises a transmitting mechanism 1, a receiving mechanism 2 and a detection main body 3; the emitting mechanism 1, the receiving mechanism 2 and the container 6 are all arranged on the detection main body 3, wherein the emitting mechanism 1 can be a light source, the receiving mechanism 2 is a photoelectric sensor, the emitting mechanism 1 is used for emitting detection light to the container 6, the receiving mechanism 2 is used for receiving the detection light passing through the empty container 6, when liquid exists in the container 6, the detection light is deflected due to refraction of the liquid, so that the receiving mechanism 2 cannot receive the detection light, and the receiving mechanism 2 detects that the liquid exists in the receiving mechanism; when there is not liquid in container 6, it predetermines the position and is received by receiving mechanism 2 to reach after container 6 to detect light, make receiving mechanism 2 detect here and do not have liquid, thereby confirm the position of liquid level, it is not accurate to have alleviated the liquid level measuring result that exists among the prior art, frequently change solvent cup complex operation, can not bear adverse circumstances's technical problem, it is accurate to have reached the detection, can frequently change the container 6 that awaits measuring, and do not receive solvent corrosion, the technological effect of high temperature influence.
In an alternative embodiment, the emitting mechanism 1 is provided in plurality, the plurality of emitting mechanisms 1 are arranged along the height direction of the container 6, and the plurality of emitting mechanisms 1 are each used for emitting the detection light to the container 6; the number of the receiving mechanisms 2 is the same as that of the emitting mechanisms 1, and each receiving mechanism 2 corresponds to one emitting mechanism 1, so that the detection light emitted by each emitting mechanism 1 passes through the empty container 6 and is received by the receiving mechanism 2.
In this embodiment, a plurality of emission mechanism 1 and a plurality of receiving mechanism 2 all arrange along the direction of height of container 6, and every emission mechanism 1 all corresponds with a receiving mechanism 2, promptly, the detection light that every emission mechanism 1 sent all can be received by a receiving mechanism 2, thereby make the different height of container 6 can both be detected light detection, make the testing result more comprehensive, whether receiving mechanism 2 according to the different height simultaneously receives the detection light and then infer the position of liquid level, can make the testing result more accurate.
In an optional embodiment, the container further comprises a detection cover 4, the detection cover 4 is arranged on one side of the container 6, the detection cover 4 is connected with the detection main body 3, the emission mechanism 1 and the receiving mechanism 2 are arranged in the detection cover 4, and both the emission mechanism 1 and the receiving mechanism 2 are connected with the detection cover 4.
In this embodiment, detect cover 4, emission mechanism 1 and receiving mechanism 2 can adopt off-the-shelf photoelectric sensor, wherein, it establishes outside emission mechanism 1 and receiving mechanism 2 to detect cover 4 cover, and every detects and is provided with an emission mechanism 1 and a receiving mechanism 2 in the cover 4, every detects cover 4 and all can dismantle with detecting main part 3 and be connected, so that detect cover 4 can mediate different heights as required, furthermore, the both ends of container 6 all can be provided with one and detect cover 4, two detect cover 4 and set up relatively, the detection light of two emission mechanism 1 emissions that detect cover 4 all is received by receiving mechanism 2 of the other side, measure the liquid level through two directions, make the measurement more accurate, emission mechanism 1 and receiving mechanism 2 have integrateed simultaneously, make the device simpler, make things convenient for maintenance and change in the future.
In an alternative embodiment, the inspection hood 4 is provided in plurality, a plurality of inspection hoods 4 are uniformly distributed along the horizontal direction, and each inspection hood 4 is used for inspecting one container 6.
In this embodiment, six detection covers 4 are provided with along the horizontal direction, six detection covers 4 set up on same straight line and evenly arrange, and every detection cover 4 all corresponds a container 6, through setting up a plurality of detection covers 4, can measure a plurality of containers 6 simultaneously, has increased measuring efficiency.
In an alternative embodiment, the detection hood 4 is provided with an opening; the opening is directed towards the container 6, from which the detection light emitted by the emitting means 1 can emerge, from which the detection light can enter the receiving means 2.
In this embodiment, the opening of the detection cover 4 is disposed at one end of the detection cover 4 close to the container 6, the opening of the detection cover 4 enables the detection light emitted by the emitting mechanism 1 to be emitted from the opening, the detection light can enter the receiving mechanism 2 from the opening, so as to avoid the detection light, and meanwhile, under the condition that the emitting mechanism 1 and the receiving mechanism 2 are relatively sealed, the contact between the emitting mechanism 1 and the receiving mechanism 2 with dust is reduced, and the service lives of the emitting mechanism 1 and the receiving mechanism 2 are prolonged.
In an alternative embodiment, a reflector 5 is also included; the reflecting piece 5 is arranged on one side, far away from the detection cover 4, of the container 6, the reflecting piece 5 is connected with the detection body 3, and the reflecting piece 5 is used for reflecting detection light rays emitted by the emitting mechanism 1 to the receiving mechanism 2 after the container 6 is empty.
In this embodiment, as shown in fig. 2, the reflection member 5 is in a long strip shape, the reflection member 5 can reflect the detection light, further, in actual use, a detection cover 4 is disposed on one side of the container 6, the reflection member 5 is disposed on the other side of the container 6, the detection light emitted by the emission mechanism 1 passes through the container 6 without solution, then is reflected by the reflection member 5, and is received by the receiving mechanism 2, the detection cover 4 is disposed on one side of the container 6, and the reflection member 5 is used for replacing the other side of the container 6, so that the arrangement of the detection cover 4 is reduced, and the cost is saved.
Optionally, the emitting mechanism 1 and the receiving mechanism 2 are respectively disposed on two different detecting covers 4, the number of the reflecting members 5 may be two, the two reflecting members 5 are arranged at an included angle, as shown in fig. 6, the detecting light emitted by the emitting mechanism 1 passes through one reflecting member 5, then passes through the container 6, and then is reflected by the other reflecting member 5 into the receiving mechanism 2.
In an alternative embodiment, a plurality of reflecting members 5 are provided, and each reflecting member 5 corresponds to one detection cover 4.
In the present embodiment, the reflective member 5 extends along the arrangement direction of the detection covers 4, so that the detection light emitted by the emitting mechanism 1 in each detection cover 4 can be reflected by the reflective member 5 after passing through the container 6 without solution, and reflected into the receiving mechanism 2, thereby reducing the number of detection covers 4 and saving the use cost.
In an optional embodiment, the device further comprises an alarm piece; the alarm part is connected with the receiving mechanism 2 through electric signals.
In this embodiment, the alarm member may be a buzzer, and when the liquid level in the container 6 falls, and the liquid level is lower than a preset value, the detection light emitted by the emitting mechanism 1 is reflected by the reflecting member 5 after passing through the container 6 and is received by the receiving mechanism 2, and at this time, the receiving mechanism 2 generates an electric signal and transmits the electric signal to the alarm member, and the alarm member starts to alarm to remind an operator of the liquid level reaching a preset position, so that the operator can operate the alarm member in time and reduce operation errors.
In an alternative embodiment, a display is included, which is in electrical signal connection with the receiving means 2, for displaying the level of the liquid level in the container 6.
In this embodiment, the display all passes through signal connection with a plurality of receiving mechanism 2, and whether every receiving mechanism 2 will receive the signal and all show on the display, and the solution height that the position that every receiving mechanism 2 set up corresponds all shows on the display to make the operator can learn the height of liquid level, make the operator obtain the height of liquid level more directly perceived, make the operation simpler, the liquid level shows more accurately.
The Soxhlet extraction instrument provided by the embodiment of the utility model comprises the liquid level detection device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A liquid level detection device for detecting a liquid level in a container (6), comprising: the device comprises a transmitting mechanism (1), a receiving mechanism (2) and a detecting body (3);
the emitting mechanism (1), the receiving mechanism (2) and the container (6) are arranged on the detection main body (3), the emitting mechanism (1) is used for emitting detection light to the container (6), and the receiving mechanism (2) is used for receiving the detection light passing through the empty container (6).
2. The liquid level detection apparatus according to claim 1, wherein the emission mechanism (1) is provided in plurality, the plurality of emission mechanisms (1) are arranged along a height direction of the container (6), and the plurality of emission mechanisms (1) are each used for emitting detection light to the container (6);
the number of the receiving mechanisms (2) is the same as that of the emitting mechanisms (1), and each receiving mechanism (2) corresponds to one emitting mechanism (1), so that the detection light emitted by each emitting mechanism (1) is received by the receiving mechanism (2) after passing through an empty container (6).
3. The liquid level detection device according to claim 1, further comprising a detection cover (4), wherein the detection cover (4) is disposed on one side of the container (6), the detection cover (4) is connected with the detection main body (3), the emission mechanism (1) and the receiving mechanism (2) are disposed in the detection cover (4), and both the emission mechanism (1) and the receiving mechanism (2) are connected with the detection cover (4).
4. The liquid level detection device according to claim 3, wherein the detection cover (4) is provided in plurality, a plurality of detection covers (4) are uniformly distributed along the horizontal direction, and each detection cover (4) is used for detecting one container (6).
5. The liquid level detection device according to claim 4, characterized in that the detection hood (4) is provided with an opening;
the opening faces the container (6), the detection light emitted by the emitting mechanism (1) can be emitted from the opening, and the detection light can enter the receiving mechanism (2) from the opening.
6. The liquid level detection device according to claim 4, further comprising a reflector (5);
the reflecting piece (5) is arranged on one side, far away from the detection cover (4), of the container (6), the reflecting piece (5) is connected with the detection body (3), and the reflecting piece (5) is used for reflecting detection light rays emitted by the emitting mechanism (1) to the receiving mechanism (2) after passing through the empty container (6).
7. The liquid level detection apparatus according to claim 6, wherein the reflection member (5) is provided in plurality, and each of the reflection members (5) corresponds to one of the detection caps (4).
8. The fluid level detection unit of claim 1, further comprising an alarm member; the alarm part is connected with the receiving mechanism (2) through an electric signal.
9. The device according to claim 1, characterized in that it further comprises a display electrically connected to said receiving means (2), said display being adapted to display the level of the liquid level in the container (6).
10. A soxhlet extractor comprising the liquid level detection apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220794736.0U CN217032685U (en) | 2022-04-07 | 2022-04-07 | Liquid level detection device and Soxhlet extraction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220794736.0U CN217032685U (en) | 2022-04-07 | 2022-04-07 | Liquid level detection device and Soxhlet extraction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032685U true CN217032685U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220794736.0U Active CN217032685U (en) | 2022-04-07 | 2022-04-07 | Liquid level detection device and Soxhlet extraction instrument |
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| Country | Link |
|---|---|
| CN (1) | CN217032685U (en) |
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- 2022-04-07 CN CN202220794736.0U patent/CN217032685U/en active Active
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Inventor after: Zhao Xuebin Inventor after: Liu Kai Inventor after: Liu Xin Inventor after: Zhang Zhenfang Inventor after: Wang Zhigang Inventor after: Liu Jun Inventor before: Zhao Xuebin Inventor before: Song Xiaodong Inventor before: Liu Kai Inventor before: Liu Xin Inventor before: Zhang Zhenfang Inventor before: Wang Zhigang Inventor before: Liu Jun Inventor before: Wang Gaosheng Inventor before: Huang Jing Inventor before: Jin Hui |