CN219495443U

CN219495443U - Electronic scale for adjusting unbalanced load by using digital technology

Info

Publication number: CN219495443U
Application number: CN202320391562.8U
Authority: CN
Inventors: 孔令菁
Original assignee: Fuzhou Kongzi Xiangjun Intelligent Technology Co ltd
Current assignee: Fuzhou Kongzi Xiangjun Intelligent Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-08
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses an electronic scale for adjusting unbalanced load by utilizing a digital technology, which comprises a scale body, a singlechip processor, a display module, a power supply module and more than two strain sensors, wherein the singlechip processor, the display module and the power supply module are arranged in the scale body; the singlechip processor is provided with more than two AD sampling ports, and is correspondingly connected with the strain sensors one by one through the AD sampling ports; the singlechip processor is respectively connected with the display module and the power supply module; the singlechip processor is used for combining the sampling data of each strain type sensor and the corresponding sensitivity coefficient thereof to obtain a weighing result. According to the utility model, the singlechip processor with high precision and a plurality of AD sampling ports is used as a control core, and the singlechip processor is connected with the strain type sensors in a one-to-one correspondence manner through the AD sampling ports, so that the sampling data of each strain type sensor can be accurately acquired, a weighing result is obtained by combining the corresponding sensitivity coefficient, and the unbalanced load is conveniently and conveniently adjusted by optimizing the hardware performance, so that the method has higher accuracy.

Description

Electronic scale for adjusting unbalanced load by using digital technology

Technical Field

The utility model relates to the technical field of electronic scales, in particular to an electronic scale for adjusting unbalanced load by using a digital technology.

Background

Nowadays, electronic scales composed of a plurality of weighing sensors, such as kitchen scales, body scales, baby scales, pet scales, body height weight scales, small platform scales, etc., are very popular with consumers due to low cost and elegant appearance. However, due to the offset load error caused by different sensitivity of each weighing sensor, the weighing accuracy is seriously affected.

To improve accuracy, one typically pairs with sensors in an effort to reduce the effects of unbalanced loading. In fact, due to the fact that the electronic scale is affected by factors such as different impedances, limited pairing precision, flatness of structure assembly and the like, a large error still exists; the object is placed in the different positions of electronic scale, and the weight of demonstration is just different, has greatly influenced the degree of accuracy of electronic scale.

In addition, the sensitivity of the elastic body is adjusted by machining, for example, the bridge voltage of the weighing sensor is corrected or adjusted by a file, but in practice, the implementation of the machining adjustment is difficult due to narrow space, complicated operation, high cost and the like. Therefore, how to conveniently adjust the unbalanced load and improve the accuracy of the electronic scale is called as a problem to be solved.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the electronic scale for adjusting the unbalanced load by utilizing the digital technology is convenient to adjust the unbalanced load and has higher accuracy.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an electronic scale for adjusting unbalanced load by utilizing a digital technology comprises a scale body, a singlechip processor, a display module, a power supply module and more than two strain sensors, wherein the singlechip processor, the display module and the power supply module are arranged in the scale body;

the singlechip processor is provided with more than two AD sampling ports, and is correspondingly connected with the strain type sensors one by one through the AD sampling ports;

the singlechip processor is respectively connected with the display module and the power supply module;

and the singlechip processor is used for combining the sampling data of each strain type sensor and the corresponding sensitivity coefficient thereof to obtain a weighing result.

Further, the multifunctional portable electronic device also comprises a function key;

the function keys are arranged on the balance body and connected with the singlechip processor.

Further, the function key is a pressure-sensitive key.

Further, the power supply module is an independent power supply.

Further, the independent power supply is a button battery.

Further, the number of the strain type sensors is 4.

The utility model has the beneficial effects that: the utility model provides an utilize digital technique to adjust electronic scale of unbalanced load adopts the singlechip processor that has a plurality of AD sampling ports of high accuracy as control core, and it links to each other with strain gauge sensor one-to-one through the AD sampling port, can accurately gather every strain gauge sensor's sampling data, and then combines corresponding sensitivity coefficient to obtain weighing result, conveniently adjusts the unbalanced load through optimizing hardware performance, has higher degree of accuracy.

Drawings

FIG. 1 is a schematic diagram of an electronic scale for adjusting unbalanced load by using a digitizing technique according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a circuit connection between a singlechip processor and a display module of an electronic scale for adjusting unbalanced load by using a digitizing technique according to an embodiment of the present utility model;

FIG. 3 is a circuit diagram of a power module and function keys of an electronic scale for adjusting unbalanced load by using a digitizing technique according to an embodiment of the present utility model;

fig. 4 is a circuit diagram of a strain sensor of an electronic scale for adjusting unbalanced load by using a digitizing technique according to an embodiment of the utility model.

Description of the reference numerals:

1. a scale body; 2. a singlechip processor; 3. a display module; 4. a power supply module; 5. a strain type sensor; 6. function keys.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 to 4, an electronic scale for adjusting unbalanced load by using a digitizing technique includes a scale body 1, a single chip processor 2, a display module 3, a power supply module 4 and more than two strain sensors 5 disposed in the scale body 1;

the singlechip processor 2 is provided with more than two AD sampling ports, and is correspondingly connected with the strain type sensors 5 one by one through the AD sampling ports;

the singlechip processor 2 is respectively connected with the display module 3 and the power supply module 4;

the singlechip processor 2 is used for combining the sampling data of each strain type sensor 5 and the corresponding sensitivity coefficient thereof to obtain a weighing result.

From the above description, the beneficial effects of the utility model are as follows: the single-chip processor 2 with high precision and a plurality of AD sampling ports is used as a control core, the single-chip processor is connected with the strain sensors 5 in one-to-one correspondence through the AD sampling ports, sampling data of each strain sensor 5 can be accurately acquired, a weighing result is obtained by combining corresponding sensitivity coefficients, unbalanced load is conveniently and conveniently adjusted by optimizing hardware performance, and higher accuracy is achieved.

Further, the multifunctional portable electronic device also comprises a function key 6;

the function keys 6 are arranged on the balance body 1 and are connected with the singlechip processor 2.

In this embodiment, the function key 6 is provided and can be used for executing the startup and shutdown operation, so that the electronic scale is started up through the key when in need of use, and the electronic scale is convenient to use and reduces energy consumption when the electronic scale is started up.

Further, the function key 6 is a pressure-sensitive key.

As can be seen from the above description, the function keys 6 are pressure-sensitive keys, and can be turned on by means of the gravity of the object placed on the electronic scale, so as to simplify the weighing operation flow.

Further, the power supply module 4 is an independent power supply.

As can be seen from the above description, the power supply module 4 is an independent power supply, and does not need to rely on an external control circuit or the like, so that the limitation of the use of the electronic scale is reduced, and the convenience is improved.

Further, the independent power supply is a button battery.

From the above description, the independent power supply is a button cell, so that the electronic scale has long independent working capacity, small volume and convenient use.

Further, the number of the strain type sensors 5 is 4.

From the above description, the number of the strain sensors 5 is 4, and weight information of the objects is obtained from different positions on the scale body 1, so that accuracy of weighing results is improved.

The electronic scale for adjusting unbalanced load by utilizing the digital technology can be suitable for the scene of electronic scale design, and the following description is made by a specific implementation mode:

referring to fig. 1, a first embodiment of the present utility model is as follows:

an electronic scale for adjusting unbalanced load by utilizing a digital technology comprises a scale body 1, functional keys 6, a singlechip processor 2, a display module 3, a power supply module 4 and more than two strain sensors 5, wherein the singlechip processor 2, the display module 3 and the power supply module 4 are arranged in the scale body 1; the singlechip processor 2 is provided with more than two AD sampling ports, and is correspondingly connected with the strain sensors 5 one by one through the AD sampling ports; the singlechip processor 2 is respectively connected with the display module 3 and the power supply module 4; the function key 6 is arranged on the scale body 1 and is connected with the singlechip processor 2. The function keys 6 are preferably pressure-sensitive keys. After the singlechip processor 2 detects the signals of the keys, the functional operations of switching on and off, unit conversion, peeling and the like of the electronic scale are realized.

In this embodiment, taking a kitchen scale loaded with 4 strain sensors 5 as an example, the weighing and using process of the electronic scale is as follows:

when weighing, placing the object on the balance body 1; the article is pressed to the pressure-sensitive key to trigger the starting operation, and the display module 3 is lightened; meanwhile, the singlechip processor 2 respectively acquires induction data of 4 strain type sensors 5 through the AD sampling port, and further determines a weighing result by combining sensitivity coefficients of each strain type sensor 5; finally, the weighing result is displayed on the display module 3.

In this embodiment, the sensitivity coefficient is obtained by internal operation of the single-chip processor 2. The weighing results were calculated as follows:

the change data of the 4 strain type weighing sensors are respectively Db, dc, dd and De, and the corresponding sensitivity coefficients are respectively Kb, kc, kd and Ke, so that the weighing result W is expressed as:

W＝Db×Kb+Dc×Kc+Dd×Kd+De×Ke。

in this embodiment, the power supply module 4 is an independent power supply. The independent power supply is preferably a button battery, and in other equivalent embodiments, a fifth battery and the like can be selected, and the selection can be specifically selected according to the actual type of the electronic scale.

In this embodiment, the number of strain gauge sensors 5 is 4, and in other equivalent embodiments, the strain gauge sensors may be provided according to the specific type of electronic scale.

It should be noted that the utility model is characterized in that an electronic weighing assembly composed of a singlechip processor 2 with a plurality of AD sampling ports, a strain type sensor 5 and other modules is arranged in the electronic scale, and the calculation process of the sensitivity coefficient and the weighing result are all algorithms in the prior art and are not protected by the utility model.

Referring to fig. 2 to 4, a second embodiment of the present utility model is as follows:

on the basis of the first embodiment, the specific circuit connection relationships among the singlechip processor 2, the display module 3, the power supply module 4, the strain sensor 5 and the function keys 6 are shown in fig. 2 to 4. Wherein, the function keys 6 are provided with 4, and can be arranged at different positions of the scale body 1 during configuration, so as to correspondingly realize different functions.

In summary, according to the electronic scale for adjusting unbalanced load by using the digitizing technology provided by the utility model, a high-precision singlechip processor with a plurality of AD sampling ports is adopted as a control core, and the singlechip processor is connected with the strain sensors in a one-to-one correspondence manner through the AD sampling ports, so that the sampling data of each strain sensor can be accurately acquired, and then a weighing result is obtained by combining the corresponding sensitivity coefficients, and the unbalanced load is conveniently adjusted by optimizing the hardware performance, so that the electronic scale has higher accuracy.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. The electronic scale for adjusting unbalanced load by using a digital technology is characterized by comprising a scale body, a singlechip processor, a display module, a power supply module and more than two strain sensors, wherein the singlechip processor, the display module and the power supply module are arranged in the scale body;

2. The electronic scale for adjusting unbalanced load by utilizing a digitizing technique according to claim 1, further comprising a function key;

3. The electronic scale for adjusting unbalanced load by utilizing a digitizing technique according to claim 2, wherein the function key is a pressure sensitive key.

4. The electronic scale for adjusting unbalanced load using a digitizing technique as claimed in claim 1, wherein the power module is an independent power source.

5. The electronic scale for adjusting unbalanced load using a digitizing technique as claimed in claim 4, wherein the independent power source is a button cell.

6. The electronic scale for adjusting unbalanced load using digital technology of claim 1, wherein the number of the strain gauge sensors is 4.