CN220380571U - Mechanical device suitable for non-contact liquid level detection of reagent bottle for automatic liquid feeding - Google Patents
Mechanical device suitable for non-contact liquid level detection of reagent bottle for automatic liquid feeding Download PDFInfo
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- CN220380571U CN220380571U CN202321532529.9U CN202321532529U CN220380571U CN 220380571 U CN220380571 U CN 220380571U CN 202321532529 U CN202321532529 U CN 202321532529U CN 220380571 U CN220380571 U CN 220380571U
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- reagent bottle
- liquid level
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- ball screw
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 97
- 239000007788 liquid Substances 0.000 title claims abstract description 93
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a mechanical device suitable for non-contact liquid level detection of a reagent bottle for automatic liquid adding, which comprises a bottom plate, a reagent bottle seat, a non-contact liquid level sensor and a ball screw slide rail; the reagent bottle sets up in the reagent bottle seat, and the reagent bottle seat sets up on the bottom plate, has offered on the reagent bottle seat lateral wall and is used for non-contact level sensor matched with spout, and non-contact level sensor sets up on ball screw slide rail. According to the utility model, the stepping motor is used as power, the non-contact liquid level sensor is driven by the ball screw and the sliding block to slide up and down along the wall of the reagent bottle to search the liquid level, and the continuous measurement of the liquid level in the reagent bottle can be realized by using a single non-contact liquid level sensor. According to the utility model, by mounting the non-contact liquid level sensor on the reagent bottle seat, the effective contact and separation of the reagent bottle and the non-contact liquid level sensor are realized, and the reagent is convenient to add while the liquid level detection function is realized.
Description
Technical Field
The utility model belongs to the field of automatic liquid feeding, and particularly relates to a mechanical device suitable for non-contact liquid level detection of a reagent bottle for automatic liquid feeding.
Background
In the automated instrument testing of analytical chemistry, it is necessary to draw chemical reagents from reagent bottles into reaction vessels. In order to instantly grasp the storage amount and the liquid level of the reagent in the reagent bottle, a liquid level meter is needed to be used for realizing: several level sensors are typically mounted in place on the reagent bottles. For a non-contact liquid level sensor, it is required to be fixed on the outer wall of the reagent bottle. Currently, non-contact liquid level sensors are fixed on the wall of a reagent bottle to be measured through a binding belt or a pipe hoop.
Defects and deficiencies of the prior art: 1. the non-contact liquid level sensor is fixed on the reagent bottle by using the binding belt or the pipe hoop, and can be loosened and fall off for a long time, so that the operation reliability of the sensor is affected; 2. the reagent in the reagent bottle is used as a consumption material, and is required to be added frequently, and after the non-contact liquid level sensor is installed in a fixed mode (a binding belt or a pipe hoop), the reagent bottle can not be conveniently taken out from the instrument, so that the adding is influenced.
Disclosure of Invention
The utility model aims to provide a mechanical device suitable for non-contact liquid level detection of a reagent bottle for automatic liquid feeding, so as to solve the problems that a non-contact liquid level sensor is not firmly fixed, the reagent bottle cannot be conveniently taken out, and continuous liquid level measurement is not possible.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mechanical device suitable for non-contact liquid level detection of a reagent bottle for automatic liquid adding comprises a bottom plate, a reagent bottle seat, a non-contact liquid level sensor and a ball screw slide rail;
the reagent bottle is arranged in the reagent bottle seat which is arranged on the bottom plate,
a chute matched with a non-contact liquid level sensor is formed in the side wall of the reagent bottle seat, and the non-contact liquid level sensor is arranged on the ball screw slide rail.
Further, the non-contact liquid level sensor comprises a circular arc measuring plate arranged in the chute.
Further, a bottle seat upper cover for sliding the measuring plate is arranged on the reagent bottle seat.
Further, the non-contact liquid level sensor is arranged on the ball screw slide rail through a sensor clamp.
Further, the lower part of the reagent bottle seat is provided with a protruding step, and the reagent bottle seat is fixed on the bottom plate through a bottle seat pressing plate.
Further, the ball screw slide rail comprises a slide rail base, a slide block, a ball screw and a stepping motor; the ball screw is arranged on the sliding rail base, the ball screw is connected with the shaft of the stepping motor, and the sliding block is arranged on the ball screw.
Further, the ball screw is connected with the shaft of the stepping motor through a coupler.
Further, the inner diameter of the reagent bottle seat is the same as the outer diameter of the reagent bottle.
Compared with the prior art, the utility model has the following technical effects:
according to the utility model, the stepping motor is used as power, the non-contact liquid level sensor is driven by the ball screw and the sliding block to slide up and down along the wall of the reagent bottle to search the liquid level, and the continuous measurement of the liquid level in the reagent bottle can be realized by using a single non-contact liquid level sensor. According to the utility model, by mounting the non-contact liquid level sensor on the reagent bottle seat, the effective contact and separation of the reagent bottle and the non-contact liquid level sensor are realized, the liquid level detection function is realized, and meanwhile, the reagent bottle can be taken out from the reagent bottle seat at any time, so that the reagent can be conveniently added. Compared with a fixed non-contact liquid level sensor mounting mode, the utility model realizes continuous liquid level measurement by using a single liquid level sensor, and particularly aims at multi-position liquid level measurement and control without mounting a plurality of liquid level sensors; the liquid level sensor is simple and effective to install; the utility model has reasonable scheme and simple structure, and can fully exert the advantages of non-contact liquid level detection by applying the ball screw slide rail to liquid level detection.
Drawings
FIG. 1 is a schematic view of the structure of the reagent bottle holder of the present utility model. Wherein, (a) is a right view, (b) is a top view, (c) is a left view, (d) is a left view, (e) is a front view, and (f) is a right view.
Fig. 2 is a schematic structural view of the non-contact liquid level sensor of the present utility model. Wherein, (a) is a front view, (b) is a top view, (c) is a rear view, (d) is a left view, (e) is a front view, and (f) is a right view.
FIG. 3 is a partial assembly view of the present utility model (including a base plate, reagent bottle holder, bottle holder platen, bottle holder top cover, non-contact level sensor, sensor clip).
Fig. 4 is an overall assembly view of the mechanical device of the present utility model.
In the figure, a 1-bottom plate, a 2-reagent bottle, a 3-reagent bottle seat, a 4-bottle seat pressing plate, a 5-bottle seat upper cover, a 6-non-contact liquid level sensor, a 7-sensor clamp, an 8-slide rail base, a 9-slide block, a 10-ball screw, an 11-coupling and a 12-stepping motor are arranged.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present utility model.
According to the technical scheme, the embodiment provides a mechanical device suitable for non-contact liquid level detection of the reagent bottle for automatic liquid feeding, and the mechanical device can be used for continuous measurement of the reagent liquid level in the reagent bottle.
As shown in fig. 1 to 4, the utility model relates to a mechanical device suitable for non-contact liquid level detection of a reagent bottle for automatic liquid feeding, which comprises a bottom plate 1, a reagent bottle 2, a reagent bottle seat 3, a bottle seat pressing plate 4, a bottle seat upper cover 5, a non-contact liquid level sensor 6, a sensor clamp 7 and a ball screw slide rail.
The sensing element of the non-contact liquid level sensor 6 is a circular arc measuring plate 14 which is arranged in a chute 13 structure on the reagent bottle seat 3.
The reagent bottle 2 is arranged in the reagent bottle seat 3; a chute 13 is formed in the side wall of the reagent bottle seat 3 in the vertical direction from top to bottom, and is used for slidably matching a measuring plate 14 of the non-contact liquid level sensor 6 with the measuring plate, the measuring plate 14 can move up and down, the upper part of the reagent bottle seat 3 is prevented from sliding by a bottle seat upper cover 5, a protruding step is formed in the lower part of the reagent bottle seat 3, and the reagent bottle seat 3 can be fixed on the bottom plate 1 by using a bottle seat pressing plate 4 and a screw, as shown in fig. 3.
The ball screw slide rail consists of a slide rail base 8, a slide block 9, a ball screw 10, a coupler 11 and a stepping motor 12. The ball screw 10 is arranged on the slide rail base 8, the sliding block 9 is sleeved on the ball screw 10, the ball screw 10 is connected with the shaft of the stepping motor 12 through the coupler 11, and the sliding block 9 is driven to move up and down along the ball screw 10 by the rotation of the stepping motor 12, as shown in fig. 4. When the slide block 9 moves, the sensor clamp 7 fixed on the slide block 9 and the non-contact sensor 6 move up and down along the chute 13 of the reagent bottle seat 3, the ball screw 7 is connected with the stepping motor 12 through the coupler 11, and the stepping motor 12 can drive the non-contact sensor 6 to move up and down along the height of the reagent bottle 2 under the condition of keeping close proximity with the wall of the reagent bottle 2 after being electrified and started. When the liquid level detection is needed, the stepping motor 12 is started, the non-contact sensor 6 slides from top to bottom or from bottom to top, when the liquid level is met, a signal is sent, and the current liquid level value is determined according to the current position of the sliding block 9 (determined by the starting position of the sliding block, the speed of the stepping motor and the running time).
In order to mount the reagent bottle 2 on the bottom plate 1 of the analyzer, the reagent bottle 2 is conveniently loaded and unloaded by providing a reagent bottle holder 3 (the inner diameter of the reagent bottle holder 3 is the same as the outer diameter of the reagent bottle 2) and fixing the reagent bottle holder 3 on the bottom plate 1.
In order to enable the non-contact liquid level sensor 6 to be closely attached to the wall of the reagent bottle 2 and to be capable of moving up and down, the non-contact liquid level sensor 6 is placed in a chute 13 which is capable of sliding up and down on the wall of the reagent bottle seat 3.
In order to provide the power for the non-contact liquid level sensor 6 to slide up and down, a ball screw sliding rail form is designed and used, the non-contact liquid level sensor 6 is fixed in the sensor clamp 7 through a screw, the sensor clamp 7 is fixed on the sliding block 9 through a screw, and the non-contact liquid level sensor 6 is fixed on the sliding block 9 through the sensor clamp 7.
The working process of the utility model is as follows:
1. filling the reagent bottle 2 filled with the reagent solution into the reagent bottle seat 3, wherein the non-contact liquid level sensor 6 is positioned at the bottommost position (starting position) of the chute of the reagent bottle seat 3;
2. when the reagent liquid level needs to be measured, the stepping motor 12 is started to rotate, and the sliding block 9 and the non-contact liquid level sensor 6 are driven to move upwards. When the non-contact liquid level sensor 6 reaches the liquid level of the reagent, an electric signal is generated, and the position of the slide block 9 is the actual value of the liquid level and is recorded; the stepper motor 12 then rotates in reverse, retracting the slider 9 to the starting position.
The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to vary. It is intended that all such variations as fall within the scope of the appended claims.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Claims (8)
1. The mechanical device suitable for the non-contact liquid level detection of the automatic liquid adding reagent bottle is characterized by comprising a bottom plate (1), a reagent bottle (2), a reagent bottle seat (3), a non-contact liquid level sensor (6) and a ball screw slide rail;
the reagent bottle (2) is arranged in the reagent bottle seat (3), the reagent bottle seat (3) is arranged on the bottom plate (1),
a chute (13) matched with a non-contact liquid level sensor (6) is formed in the side wall of the reagent bottle seat (3), and the non-contact liquid level sensor (6) is arranged on the ball screw slide rail.
2. A mechanical device suitable for non-contact liquid level detection of reagent bottles for automatic filling according to claim 1, characterised in that the non-contact liquid level sensor (6) comprises a circular arc measuring plate (14) arranged in a chute (13).
3. A mechanical device suitable for non-contact liquid level detection of reagent bottles for automatic liquid feeding according to claim 2, characterized in that the reagent bottle seat (3) is provided with a bottle seat upper cover (5) for sliding a measuring plate (14).
4. A mechanical device suitable for non-contact liquid level detection of reagent bottles for automatic liquid feeding according to claim 1, characterized in that the non-contact liquid level sensor (6) is arranged on the ball screw slide rail through a sensor clamp (7).
5. The mechanical device for non-contact liquid level detection of the reagent bottle for automatic liquid feeding according to claim 1, wherein the lower part of the reagent bottle seat (3) is provided with a protruding step, and the reagent bottle seat (3) is fixed on the bottom plate (1) through a bottle seat pressing plate (4).
6. The mechanical device suitable for non-contact liquid level detection of the reagent bottle for automatic liquid feeding according to claim 1, wherein the ball screw slide rail comprises a slide rail base (8), a slide block (9), a ball screw (10) and a stepping motor (12); the ball screw (10) is arranged on the sliding rail base (8), the ball screw (10) is connected with the shaft of the stepping motor (12), and the sliding block (9) is arranged on the ball screw (10).
7. A mechanical device for non-contact liquid level detection of reagent bottles for automatic liquid filling according to claim 6 characterized by that, the ball screw (10) is connected with the shaft of the stepper motor (12) through the coupling (11).
8. The mechanical device for non-contact liquid level detection of a reagent bottle for automatic liquid feeding according to claim 1, wherein the inner diameter of the reagent bottle seat (3) is the same as the outer diameter of the reagent bottle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532529.9U CN220380571U (en) | 2023-06-15 | 2023-06-15 | Mechanical device suitable for non-contact liquid level detection of reagent bottle for automatic liquid feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532529.9U CN220380571U (en) | 2023-06-15 | 2023-06-15 | Mechanical device suitable for non-contact liquid level detection of reagent bottle for automatic liquid feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380571U true CN220380571U (en) | 2024-01-23 |
Family
ID=89565964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321532529.9U Active CN220380571U (en) | 2023-06-15 | 2023-06-15 | Mechanical device suitable for non-contact liquid level detection of reagent bottle for automatic liquid feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380571U (en) |
-
2023
- 2023-06-15 CN CN202321532529.9U patent/CN220380571U/en active Active
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