CN110918151A - Electronic weighing medicine spoon device - Google Patents
Electronic weighing medicine spoon device Download PDFInfo
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- CN110918151A CN110918151A CN201911068932.9A CN201911068932A CN110918151A CN 110918151 A CN110918151 A CN 110918151A CN 201911068932 A CN201911068932 A CN 201911068932A CN 110918151 A CN110918151 A CN 110918151A
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- component
- medicine spoon
- spoon
- electronic weighing
- medicine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/18—Spatulas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to an electronic weighing medicine spoon device, wherein a first component is of a shell-shaped structure with an opening at one end, supporting parts are symmetrically arranged at the opening of the first component from top to bottom, one end of a second component penetrates through the first component, the second component is in multipoint contact or line contact with the supporting part of the first component, and a medicine spoon fixing part is arranged at the other end of the second component and used for fixing a medicine spoon; the pressure sensor, the integrated circuit board and the power supply are arranged in the first assembly, the display screen and the switch are further arranged on the first assembly shell, the pressure sensor is fixed in the first assembly and arranged above the tail end of the second assembly, which is located in the first assembly, the integrated circuit board is connected with the power supply, and the integrated circuit board is respectively electrically connected with the pressure sensor, the display screen and the switch. The device convenient operation is swift high-efficient, when weighing the yielding reagent in the air, and the operation is more simple and convenient controllable than decrement weighing, shortens and weighs the time, reduces and weighs the error.
Description
Technical Field
The invention relates to the field of laboratory experimental instruments, in particular to an electronic weighing medicine spoon device.
Background
The current method for weighing solid samples in the laboratory is as follows: firstly, spreading weighing paper on an electronic balance, peeling the weighing paper, then taking out a solid sample from a reagent bottle by using a common medicine spoon, putting the solid sample on the electronic balance for weighing, and transferring the solid sample to a target instrument from the weighing paper after weighing the solid sample with required amount.
The traditional sampling method is not only complicated in process, but also can cause sample waste due to multiple transfer especially in the multiple weighing and sampling process, and the use condition of the electronic balance is harsh, so that errors can be caused to the weighing result due to vibration in the weighing process or on a table top for placing the electronic balance.
Particularly, the traditional sampling method is more complicated when samples which are easy to absorb water, oxidize or react with carbon dioxide are weighed, multiple readings are needed, a small amount of reagent needs to be knocked out from a weighing bottle, the degree of knocking out the small amount of reagent is difficult to control, excessive reagent is easy to knock out carelessly, weighing needs to be carried out again at the moment, and great inconvenience is brought to the experiment.
Disclosure of Invention
Therefore, an electronic weighing medicine spoon device is needed to solve the problem of difficulty in sampling solid samples.
In order to achieve the above object, the inventor provides an electronic weighing medicine spoon device, which comprises a first component, a second component and a medicine spoon, wherein the first component is of a shell-shaped structure with an opening at one end, a supporting part is arranged at the opening of the first component, one end of the second component is arranged in the first component in a penetrating manner, the second component and the supporting part of the first component are in multi-point contact or line contact, and a medicine spoon fixing part is arranged at the other end of the second component and used for fixing the medicine spoon;
the pressure sensor is fixed in the first component, the pressure sensor is arranged above the tail end of the second component in the first component, the integrated circuit board is connected with the power supply, and the integrated circuit board is respectively electrically connected with the pressure sensor, the display screen and the switch;
the medicine spoon fixing part is of a groove-shaped structure with a U-shaped section and an outward opening, and movable protruding structures are symmetrically arranged on the inner side of the groove body of the medicine spoon fixing part up and down.
Furthermore, the movable protrusion structure comprises a spring and a protrusion piece, one end of the spring is connected to one side of the groove wall of the spoon fixing part, and the other end of the spring extends towards the other side of the groove wall of the spoon fixing part and is connected with the protrusion piece.
Furthermore, the tail end of the medicine spoon handle is provided with a groove structure up and down, and the groove structure is matched with the protruding part.
Furthermore, the protruding part is made of silica gel or rubber.
Further, a fixing groove is formed in the second assembly, and the fixing groove is matched with the supporting portion.
Further, the cross-sectional shape of the first component is triangular, rectangular, pentagonal or hexagonal.
Further, the spoon is detachable from the spoon mounting portion.
Further, the medicine spoon is a disposable product.
Different from the prior art, the technical scheme has the following advantages: after the medicine spoon gets a certain amount of solid sample, directly utilize the lever relation between first subassembly and the second subassembly to become its mass reaction and show into concrete numerical value, with the current operation of generally weighing quantitative solid reagent in laboratory convenient more swift high-efficient. When weighing the reagent which is easy to deteriorate in the air, the operation is simpler, more convenient and more controllable than the decrement weighing, the weighing time is shortened, and the weighing error is reduced. And compared with an electronic balance, the electronic balance has smaller volume and is more beneficial to movement.
Drawings
Fig. 1 is a schematic structural view of an electronic weighing spoon device according to the present embodiment.
Description of reference numerals:
1. a first component;
11. a support portion;
2. a second component;
21. fixing grooves;
22. a medicine spoon fixing part;
23. a spring;
24. a protrusion member;
3. a medicine spoon;
41. a pressure sensor;
42. an integrated circuit board;
43. a power source;
44. a display screen;
45. and (4) switching.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present invention provides an electronic weighing spoon device, which includes a first component 1, a second component 2 and a spoon 3, wherein the first component, the second component and the spoon are made of polyethylene material, and the electronic weighing spoon device has a light weight, and is convenient for an experimenter to handle. The medicine spoon is a disposable article, can be detached from the medicine spoon fixing part and replaced, and avoids the pollution to samples when the medicine spoon is repeatedly inserted into the sample container for sampling.
The first assembly is of a shell-shaped structure with an opening at one end, a supporting part 11 is arranged at the opening of the first assembly, the supporting part is arranged on the inner wall of the first assembly, and the supporting part is arranged close to the opening of the first assembly. One end of the second component penetrates through the first component, the second component and the supporting portion of the first component are in multipoint contact or line contact, the second component forms a lever by taking the position of the supporting portion as a fulcrum, and the other end of the second component is provided with a medicine spoon fixing portion for fixing a medicine spoon.
The second component is provided with a fixing groove 21 which is matched with the supporting part. The supporting part is clamped at the fixing groove of the second assembly to prevent the second assembly from falling off from the first assembly.
The multipoint contact or line contact between the second component and the support part of the first component specifically means that: the supporting part is a salient point structure which is uniformly distributed along the opening of the first component, the cross section of the salient point structure is triangular, and the number of point contacts between the second component and the second component is at least three. Or an annular convex structure arranged at the opening of the first component, the cross section of the annular convex structure is also triangular, and the line contact of the first component and the second component is an annular line.
Be provided with pressure sensor 41, integrated circuit board 42 and power 43 in the first subassembly, still be provided with display screen 44 and switch 45 on the first subassembly casing, pressure sensor is used for reading the pressure value that the one end of the fixed medicine spoon of second subassembly transmitted, converts the pressure value that pressure sensor read into the weight signal of the medicine in the medicine spoon by integrated circuit board according to the lever principle, and the display screen is used for showing the weight information of the medicine in the medicine spoon. The switch is a dual-purpose key for starting and stopping and zero clearing, the electronic weighing medicine spoon device can be started and stopped by pressing the switch for a long time, and zero clearing can be realized by pressing the switch for a short time. The pressure sensor is fixed in the first assembly and arranged above the tail end of the second assembly in the first assembly, the integrated circuit board is connected with a power supply, and the integrated circuit board is respectively electrically connected with the pressure sensor, the display screen and the switch.
When the electronic weighing medicine spoon device is used, a long-press switch is connected with a power supply, the disposable medicine spoon is installed on a medicine spoon fixing portion of the second component, a switch key is pressed again, pressure generated by the medicine spoon on the pressure sensor is cleared, the electronic weighing medicine spoon device is held by hands, a proper amount of solid samples are taken out from the sample container, the weight of the samples on the medicine spoon is transmitted to the pressure sensor from the second component, the pressure sensor sends the obtained pressure value to the integrated circuit board, and the pressure signals of the pressure sensor are converted into the weight of the solid samples through calculation processing of the integrated circuit board and displayed on the display screen according to the lever principle.
The pressure sensor is a SI4-G soft pressure sensor, can sense the upward pressure of a lever on the pressure sensor, the pressure changes, the conductivity of the sensor also changes, and accordingly the pressure is converted into matched electric signals, the measuring range of the pressure sensor is 0-200G, the thickness of the pressure sensor is less than 0.15mm, the length of the pressure sensor is 16mm, the inner diameter of a pressure sensitive area is 3.4mm, the precision is +/-2.5%, the response time is less than 1ms, and the typical value of the test voltage is 3.3V.
In certain embodiments, the cross-sectional shape of the first component is triangular, rectangular, pentagonal, or hexagonal. The first components are all provided with a plane for being placed on a table top, and the electronic weighing medicine spoon device is prevented from rolling on the table top.
In some embodiments, the spoon fixing portion 22 is a groove-shaped structure with a U-shaped cross section and an outward opening, and the movable protrusion structures are symmetrically arranged on the inner side of the groove body of the spoon fixing portion. Specifically, the movable protrusion structure comprises a spring 23 and a protrusion 24, wherein one end of the spring is connected to one side of the groove wall of the spoon fixing part, and the other end of the spring extends towards the other side of the groove wall of the spoon fixing part and is connected with the protrusion. The second component can be cylindrical, triangular or quadrangular, and the like, and the medicine spoon is fixed in the medicine spoon fixing part, the tail end of the handle of the medicine spoon is firstly placed between the two movable protrusion structures, and the spring is extruded at the moment, so that the medicine spoon is firmly fixed through the protrusion parts. More preferably, the tail end of the medicine spoon handle is vertically provided with a groove structure, the groove structure is matched with the protruding piece, the tail end of the medicine spoon handle is firstly arranged between the two movable protruding structures, then the medicine spoon handle is continuously pushed towards the inner side of the U-shaped groove until the protruding piece blocks the groove of the medicine spoon, and the groove structure can further prevent the medicine spoon from falling off from the second component. More preferably, the protruding piece is made for silica gel or rubber material, and the protruding piece that silica gel or rubber material made can increase the frictional force between protruding piece and the medicine spoon handle, further prevents that the medicine spoon from droing from the second subassembly.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (8)
1. An electronic weighing medicine spoon device is characterized in that: the medicine spoon comprises a first component, a second component and a medicine spoon, wherein the first component is of a shell-shaped structure with an opening at one end, a supporting part is arranged at the opening of the first component, one end of the second component penetrates through the first component, the second component is in multipoint contact or line contact with the supporting part of the first component, and a medicine spoon fixing part for fixing the medicine spoon is arranged at the other end of the second component;
the pressure sensor is fixed in the first component, the pressure sensor is arranged above the tail end of the second component in the first component, the integrated circuit board is connected with the power supply, and the integrated circuit board is respectively electrically connected with the pressure sensor, the display screen and the switch;
the medicine spoon fixing part is of a groove-shaped structure with a U-shaped section and an outward opening, and movable protruding structures are symmetrically arranged on the inner side of the groove body of the medicine spoon fixing part up and down.
2. The electronic weighing spoon device of claim 1, further comprising: the movable protrusion structure comprises a spring and a protrusion piece, one end of the spring is connected to one side groove wall of the medicine spoon fixing part, and the other end of the spring extends towards the other side groove wall of the medicine spoon fixing part and is connected with the protrusion piece.
3. An electronic weighing spoon device as claimed in claim 2, wherein: the tail end of the medicine spoon handle is provided with a groove structure from top to bottom, and the groove structure is matched with the protruding part.
4. An electronic weighing spoon device as claimed in claim 2, wherein: the protruding piece is made of silica gel or rubber.
5. The electronic weighing spoon device of claim 1, further comprising: the second assembly is provided with a fixing groove, and the fixing groove is matched with the supporting part.
6. The electronic weighing spoon device of claim 1, further comprising: the cross section of the first component is triangular, rectangular, pentagonal or hexagonal.
7. The electronic weighing spoon device of claim 1, further comprising: the medicine spoon can be detached from the medicine spoon fixing part.
8. The electronic weighing spoon device of claim 1, further comprising: the medicine spoon is a disposable product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068932.9A CN110918151A (en) | 2019-11-05 | 2019-11-05 | Electronic weighing medicine spoon device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911068932.9A CN110918151A (en) | 2019-11-05 | 2019-11-05 | Electronic weighing medicine spoon device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110918151A true CN110918151A (en) | 2020-03-27 |
Family
ID=69852326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911068932.9A Pending CN110918151A (en) | 2019-11-05 | 2019-11-05 | Electronic weighing medicine spoon device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110918151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403548A (en) * | 2020-11-04 | 2021-02-26 | 安徽理工大学 | Multifunctional accurate weighing sampling medicine spoon for laboratory |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201452674U (en) * | 2009-08-17 | 2010-05-12 | 乔丹妮 | Multifunctional cooking utensil capable of weighing weight of food |
| KR20160001943U (en) * | 2014-11-28 | 2016-06-08 | 최용우 | spoonscale provided with a wireless communication device |
| CN107146978A (en) * | 2017-05-05 | 2017-09-08 | 华南理工大学 | A kind of multistage can load and unload rotary socket |
-
2019
- 2019-11-05 CN CN201911068932.9A patent/CN110918151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201452674U (en) * | 2009-08-17 | 2010-05-12 | 乔丹妮 | Multifunctional cooking utensil capable of weighing weight of food |
| KR20160001943U (en) * | 2014-11-28 | 2016-06-08 | 최용우 | spoonscale provided with a wireless communication device |
| CN107146978A (en) * | 2017-05-05 | 2017-09-08 | 华南理工大学 | A kind of multistage can load and unload rotary socket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403548A (en) * | 2020-11-04 | 2021-02-26 | 安徽理工大学 | Multifunctional accurate weighing sampling medicine spoon for laboratory |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200327 |
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| RJ01 | Rejection of invention patent application after publication |