Weighing instrument capable of detecting moisture

This weighing instrument, which integrates automated weighing, precise moisture measurement, and automatic cleaning functions, solves the problem of inaccurate food moisture content measurement in existing technologies. It achieves efficient and accurate moisture detection and equipment cleaning, making it suitable for patient moisture control.

CN223856572UActive Publication Date: 2026-01-30南昌大学第一附属医院
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Patent Information

Application Number
CN202520622313.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-30
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing weighing devices cannot accurately measure the moisture content of food from different batches or with varying degrees of freshness, resulting in inaccurate measurement results and affecting patients' control of water intake.

Method used

It integrates automated weighing, precise moisture measurement, automatic cleaning and sweeping functions. Moisture detection is achieved through a ball screw control system and high-frequency principle. Combined with a cleaning mechanism and a slag loading mechanism, it ensures probe cleanliness and measurement accuracy.

Benefits of technology

It significantly improves work efficiency and measurement accuracy, ensures probe cleanliness, avoids cross-contamination, maintains a hygienic and safe operating environment, and facilitates patients' accurate control of water intake.

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Abstract

The utility model relates to the technical field of auxiliary weighing, and discloses a weighing instrument capable of detecting moisture, which comprises a weighing instrument body, a placing plate arranged on the weighing instrument body, a fixing frame fixedly mounted on the weighing instrument body, a driving motor mounted on the fixing frame, a ball screw fixedly mounted on the output end of the shaft part of the driving motor, and a water level sensor mounted on the ball screw. The ball screw rod is rotatably mounted in the fixing frame, a screw nut is mounted on the ball screw rod through threads, a mounting plate is fixedly mounted on the screw nut, a moisture meter is mounted on the mounting plate, a needle-shaped probe is movably mounted on one side, facing the weighing instrument body, of the moisture meter, and a cleaning mechanism is arranged on the weighing instrument body. A cleaning mechanism and a slag loading mechanism. By integrating the functions of automatic weighing, accurate moisture measurement and automatic cleaning, the working efficiency, the measurement accuracy and the sanitary standard are remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary weighing, specifically to a weighing instrument capable of detecting moisture. BACKGROUND

[0002] For patients with certain specific diseases or health conditions, such as chronic kidney disease, heart failure, cirrhosis, etc., accurate control of water intake is crucial, and excessive or insufficient water intake can lead to disease exacerbation and increase medical risk. Doctors usually set strict water intake limits for patients according to their individual conditions and require them to follow specific dietary plans. However, in real life, due to the uncertainty of water content in food, patients have difficulty accurately monitoring their water intake.

[0003] The patent with the current announcement number CN213579694U discloses a weighing device equipped with a food moisture measurement system, which includes a weighing module, an identification module, an input module, a processor module, and a display module. The weighing device includes a scale body, a weighing tray, a weighing container, physical buttons, and a digital display screen.

[0004] However, the above-mentioned device has the following problems when in use: the device uses the pre-stored food standard unit water content data in the weighing device during use and estimates the water content in the food according to the proportion. However, due to the significant differences in actual water content of different batches or freshness of food, this method based on a fixed database may not provide the most accurate measurement results, which is inconvenient to use. INVENTION CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a weighing instrument capable of detecting moisture. By integrating automatic weighing, accurate moisture measurement, and automatic cleaning functions, the working efficiency, measurement accuracy, and hygiene level are significantly improved.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A weighing instrument capable of detecting moisture includes a weighing instrument body, a placement plate is arranged on the weighing instrument body, a fixed frame is fixedly installed on the weighing instrument body, a drive motor is installed on the fixed frame, a ball screw rod is fixedly installed on the shaft output end of the drive motor, the ball screw rod is rotatably installed inside the fixed frame, a screw nut is threadedly installed on the ball screw rod, an installation plate is fixedly installed on the screw nut, a moisture tester is installed on the installation plate, a needle-shaped probe is movably installed on the side of the moisture tester facing the weighing instrument body, a cleaning mechanism and a slag removal mechanism are arranged on the weighing instrument body.

[0008] Preferably, the cleaning mechanism comprises a fixed block fixedly installed on the weighing instrument body, a stepping motor arranged on the fixed block, a threaded rod fixedly installed on an output end of a shaft of the stepping motor, a nut pair threadedly installed on the threaded rod, a moving plate fixedly installed on the nut pair, a connecting frame fixedly installed on the moving plate, and a cleaning brush fixedly installed on the connecting frame.

[0009] Preferably, the cleaning brush can directly contact the placing plate.

[0010] Preferably, the slag loading mechanism comprises a fixed frame fixedly installed on a side surface of the weighing instrument body, a slag loading drawer slidingly installed on the fixed frame, and a handle fixedly installed on the slag loading drawer.

[0011] Preferably, an end of the placing plate away from the stepping motor is directly above a groove portion of the slag loading drawer.

[0012] Preferably, the cleaning mechanism comprises a placing frame movably installed on the moving plate, the placing frame is in a U shape, two cleaning cottons are fixedly installed on the placing frame, positioning blocks are fixedly installed on two surfaces of the placing frame in contact with the moving plate, and the moving plate is provided with grooves adapted to the positioning blocks at corresponding positions.

[0013] Preferably, the two cleaning cottons can directly contact the needle-shaped probe, and the two cleaning cottons are closely attached when not subjected to external force.

[0014] Preferably, an identification area is attached to a central position of the placing plate, and the identification area is directly below the water content tester.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses an integrated automatic weighing, high-precision water content determination, automatic cleaning and cleaning function, significantly improve work efficiency and measurement accuracy, accurate ball screw control system ensures that the probe can accurately contact or insert the sample, and reliable real-time moisture content detection is realized in combination with high frequency principle, the cleanliness of the probe after each use is guaranteed by the cleaning mechanism built in the equipment, cross contamination is avoided, the cleaning mechanism effectively removes the residues on the placing plate, maintains the sanitary safety of the operating environment, and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A weighing instrument for detecting moisture is provided in the utility model, and a schematic view of the weighing instrument is shown in the figure.

[0018] Figure 2 A fixed frame structure schematic view of the weighing instrument for detecting moisture is provided in the utility model.

[0019] Figure 3The utility model provides a weighing instrument moisture content measuring instrument lifting principle diagram of water content detection can be detected.

[0020] Figure 4 The utility model provides a weighing instrument cleaning mechanism diagram of water content detection can be detected.

[0021] Figure 5 The utility model provides a weighing instrument of water content detection can be detected Figure 4 The A place amplification diagram in middle;

[0022] Figure 6 The utility model provides a weighing instrument slag loading mechanism diagram of water content detection can be detected.

[0023] In the figure: 1, weighing instrument body; 2, placing plate; 3, mark area; 4, fixed frame; 5, drive motor; 6, ball screw; 7, mounting plate; 8, moisture content measuring instrument; 9, needle probe; 10, fixed frame; 11, fixed block; 12, stepping motor; 13, screw nut; 14, threaded rod; 15, nut pair; 16, moving plate; 17, connecting frame; 18, cleaning brush; 19, placing frame; 20, cleaning cotton; 21, positioning block; 22, slag loading drawer; 23, handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Please refer to Figures 1 to 6 A kind of weighing instrument of water content detection can be detected, including weighing instrument body 1, weighing instrument body 1 is provided with placing plate 2, by placing the food that needs to be weighed and moisture measurement on placing plate 2, weight data (same as common weighing, also need to carry out peeling activity) can be obtained in the corresponding display part of weighing instrument body 1, since this part is prior art, therefore, not described here.

[0026] Weighing instrument body 1 is fixedly installed with fixed frame 4, fixed frame 4 is installed with drive motor 5, the shaft portion output end of drive motor 5 is fixedly installed with ball screw 6, ball screw 6 is rotatably installed in fixed frame 4, ball screw 6 is installed with screw nut 13 by screw thread, screw nut 13 is fixedly installed with mounting plate 7, mounting plate 7 is installed with moisture content measuring instrument 8, needle probe 9 is movably installed to the side of moisture content measuring instrument 8 towards weighing instrument body 1, needle probe 9 can be separated from moisture content measuring instrument 8 by rotating mode, it is convenient to replace and cleaning activity, needle probe 9 and moisture content measuring instrument 8 are prior art, not described here.

[0027] When the driving motor 5 starts, the ball screw rod 6 can be rotated, and the rotation of the ball screw rod 6 can make the screw nut 13 and the mounting plate 7 descend. When descending to a certain height, part of the water tester 8 can directly contact the needle probe 9 food. Continue to descend, the needle probe 9 can be smoothly inserted into the food, or closely abut against the surface of the food, so as to obtain the moisture content. The water tester 8 is connected with the weighing instrument body 1 through a wireless signal, and the moisture content data can be transmitted to the weighing instrument body 1. Then, the processor inside the weighing instrument body 1 multiplies the moisture content data and the weight detected by the weighing instrument body 1 before, so as to obtain the specific moisture content of the food, and the specific moisture content is displayed on the corresponding display part of the weighing instrument body 1.

[0028] The specific principle of the tester is similar to the measuring part in CN220671394U, both of which utilize high-frequency principle to obtain the moisture content of the food by inserting the probe into the food or contacting the surface of the food. It is worth noting that the gear of the tester needs to be adjusted according to the type of the food. Since this part is prior art, it is not described here.

[0029] The weighing instrument body 1 is provided with a cleaning mechanism and a slag removal mechanism.

[0030] The cleaning mechanism includes a fixed block 11 fixedly installed on the weighing instrument body 1. The fixed block 11 is provided with a stepping motor 12. The shaft output end of the stepping motor 12 is fixedly installed with a threaded rod 14. The threaded rod 14 is installed with a nut pair 15 through threads. The nut pair 15 is fixedly installed with a moving plate 16. The moving plate 16 is fixedly installed with a connecting frame 17. The moving plate 16 and the connecting frame 17 are fixedly connected through bolts in a detachable manner, so that the cleaning brush 18 can be cleaned smoothly, and the cleanliness is ensured.

[0031] The connecting frame 17 is fixedly installed with a cleaning brush 18.

[0032] The cleaning brush 18 can directly contact the placing plate 2.

[0033] It is worth noting that in the initial state, the cleaning brush 18 will not contact the placing plate 2, so as to avoid affecting the accuracy of the weight measurement.

[0034] After a single video measurement is completed, the stepping motor 12 is started to rotate the threaded rod 14, and then the nut pair 15 and the moving plate 16 are moved. The cleaning brush 18 can directly sweep the residues or contaminants on the placing plate 2, prevent food residues and other contaminants from accumulating, ensure the accuracy of the measurement, and reduce the potential damage to the internal components of the equipment.

[0035] The slag loading mechanism comprises a fixed frame 10 fixedly installed on the side of the weighing instrument body 1, a slag loading drawer 22 slidably installed on the fixed frame 10, and a handle 23 fixedly installed on the slag loading drawer 22.

[0036] The slag loading drawer 22 can be smoothly taken out through the handle 23, and the user can conveniently clean the collected waste regularly.

[0037] The end of the placement plate 2 away from the stepping motor 12 is directly above the groove portion of the slag loading drawer 22, and the waste cleaned by the cleaning brush 18 can directly fall into the slag loading drawer 22 without scattering outside, so that the cleanliness is ensured.

[0038] The cleaning mechanism comprises a placement frame 19 movably installed on the moving plate 16, the placement frame 19 is in a U shape, two cleaning cottons 20 are fixedly installed on the placement frame 19, positioning blocks 21 are fixedly installed on the two surfaces of the placement frame 19 in contact with the moving plate 16, and grooves corresponding to the positioning blocks 21 are formed in the moving plate 16.

[0039] Through cooperation of the positioning blocks 21 and the grooves, the placement frame 19 can be quickly disassembled, so that the cleaning cottons 20 can be conveniently cleaned.

[0040] When the water content tester 8 is at a lower position, the needle-shaped probe 9 is at the same height as the cleaning cottons 20.

[0041] The two cleaning cottons 20 can directly contact the needle-shaped probe 9, and the two cleaning cottons 20 are closely attached when not subjected to external force.

[0042] When the two cleaning cottons 20 contact the needle-shaped probe 9, the needle-shaped probe 9 passes through the space between the two cleaning cottons 20, so that a gap is formed between the two cleaning cottons 20, and the two cleaning cottons 20 clamp and wipe the probe when the probe passes, so that the probe is cleaned and the cleanliness is ensured.

[0043] The center position of the placement plate 2 is pasted with an identification area 3, the identification area 3 is directly below the water content tester 8, and the identification area 3 provides an object for placement of food, so that the food to be detected is placed at the center position of the identification area 3, and subsequent water content detection can be performed.

[0044] The working process of the utility model is as follows: the user places the food to be detected at the center position of the placement plate 2 on the weighing instrument body 1, that is, at the identification area 3, the weighing instrument body 1 automatically weighs the placed food, and transmits the weight data to the internal processor for storage or display, and this part of operation is realized based on the existing electronic weighing technology.

[0045] When the water content needs to be measured, the driving motor 5 is started to rotate the ball screw rod 6, thereby driving the screw nut 13 and the mounting plate 7 to descend, and with the descent of the mounting plate 7, the water content measuring instrument 8 and the needle-shaped probe 9 also descend until the probe contacts the surface of the food or is inserted into the food.

[0046] The measured data is transmitted to the weighing instrument body 1 through a wireless signal, is processed by an internal processor, and is combined with previously recorded weight information to calculate the specific water content of the food, and the water content result after the calculation is displayed on the corresponding display part of the weighing instrument body 1 for the user to view.

[0047] After the single measurement is completed, the food is taken out, and the water content measuring instrument 8 is in a lower position, then the stepping motor 12 is started to rotate the threaded rod 14, thereby driving the nut pair 15 and the moving plate 16 to move along the direction of the placement plate 2, and the cleaning brush 18 moves to clean the residues on the placement plate 2, and the residues are swept into the residue drawer 22 located below the end of the placement plate 2.

[0048] In this process, the needle-shaped probe 9 passes through the position between the two closely fitted cleaning cottons 20, the cleaning cottons 20 clamp and wipe the probe to ensure the cleanliness of the probe.

[0049] After the cleaning is completed, the user can continue to weigh and measure the water content of different foods, and the corresponding position on the weighing instrument body 1 can display the cumulative total value of the water content during the continuous weighing (i.e., from the start to the shutdown of the machine), so as to facilitate the judgment of the medical staff.

[0050] After use, the user can pull the handle 23 to take out the residue drawer 22 to clean the collected waste and maintain the sanitary state of the equipment.

[0051] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A weighing instrument capable of detecting moisture, comprising a weighing instrument body (1), a placing plate (2) is arranged on the weighing instrument body (1), characterized in that, The weighing instrument body (1) is fixedly provided with a fixed frame (4), the fixed frame (4) is provided with a driving motor (5), the shaft output end of the driving motor (5) is fixedly provided with a ball screw (6), the ball screw (6) is rotatably installed in the fixed frame (4), the ball screw (6) is threadedly provided with a screw nut (13), the screw nut (13) is fixedly provided with a mounting plate (7), the mounting plate (7) is provided with a water tester (8), the water tester (8) is movably provided with a needle probe (9) on the side facing the weighing instrument body (1), the weighing instrument body (1) is provided with a cleaning mechanism, a cleaning mechanism and a slagging mechanism.

2. The moisture-detectable scale of claim 1, wherein, The cleaning mechanism comprises a fixed block (11) fixedly installed on the weighing instrument body (1), the fixed block (11) is provided with a stepping motor (12), the shaft output end of the stepping motor (12) is fixedly provided with a threaded rod (14), the threaded rod (14) is threadedly provided with a nut pair (15), the nut pair (15) is fixedly provided with a moving plate (16), the moving plate (16) is fixedly provided with a connecting frame (17), and the connecting frame (17) is fixedly provided with a cleaning brush (18).

3. The moisture-detectable scale of claim 2, wherein, The cleaning brush (18) can directly contact the placing plate (2).

4. The moisture-detectable scale of claim 1, wherein, The slagging mechanism comprises a fixed frame (10) fixedly installed on the side of the weighing instrument body (1), and the fixed frame (10) is slidably provided with a slagging drawer (22), and the slagging drawer (22) is fixedly provided with a handle (23).

5. The moisture-detectable scale of claim 4, wherein, The end of the placing plate (2) away from the stepping motor (12) is directly above the slot portion of the slagging drawer (22).

6. The moisture-detectable scale of claim 1, wherein, The cleaning mechanism comprises a placing frame (19) movably installed on the moving plate (16), the placing frame (19) is U-shaped, and two cleaning cottons (20) are fixedly installed on the placing frame (19), two positioning blocks (21) are fixedly installed on the two surfaces of the placing frame (19) in contact with the moving plate (16), and the moving plate (16) is provided with a groove corresponding to the positioning block (21) at the corresponding position.

7. The moisture-detectable scale of claim 6, wherein, The two cleaning cottons (20) can directly contact the needle probe (9), and the two cleaning cottons (20) are closely attached when not subjected to external force.

8. The moisture-detectable scale of claim 1, wherein, The center of the placing plate (2) is pasted with an identification area (3), and the identification area (3) is directly below the water tester (8).

Citation Information

Patent Citations

  • Weighing device carrying food moisture measuring system

    CN213579694U

  • Portable moisture meter

    CN220671394U