CN105527005A - Annular handle-lifting portable electronic scale - Google Patents

Abstract

The invention discloses a ring-shaped handle-type portable electronic scale, which comprises a ring-shaped handle, a pressure sensor, a control unit, a power switch, an electronic display screen and a calibration return-to-zero button. There is a groove on the outer wall of the ring-shaped handle, and N pressure sensors are set in the groove, N≥1; the control unit, power switch, electronic display screen and calibration reset button are all set on the ring-shaped handle, and the control units are respectively Connect with the pressure sensor, power switch, electronic display and calibration back to zero button, hang the handle part of the plastic bag on the ring handle, apply pressure to the pressure sensor, the deformation of the pressure sensor will cause the circuit impedance to change, and output a changed Analog signal, the signal is amplified by the circuit and output to the control unit, the control unit converts it into a weight value, and sends it to the electronic display screen, which is displayed on the electronic display screen, that is, through the electronic display screen, the content of the items in the plastic bag can be known quality. The invention combines the miniature electronic balance with the handle, realizes one thing with multiple functions, and brings convenience to users.

Description

A ring type portable electronic scale

technical field

The invention belongs to household tools, in particular to a ring-shaped portable electronic scale with a handle.

Background technique

With the development and progress of science and technology, the development of products gradually tends to be multi-functional, humanized, portable and miniaturized. More and more people start to pay attention to the design of products with high portability and multiple functions.

At present, the design of portable small or miniature pocket scales is relatively single. On the one hand, the pursuit of miniature pocket scales is blindly pursued, resulting in the continuous shrinkage of its volume and a great impact on its functions. The maximum load of some miniature pocket scales is also Small, so it's less practical. On the other hand, the main function of current pocket scales is to weigh the quality of articles, and there are few products with additional functions. Even if some pocket scales are added with some functions such as magnifying glass, their practicability is also weak. Secondly, the main usage scenario of portable small or miniature pocket scales is when shopping, and the function is easy to carry and use and weigh the quality of items. Under such a premise, a new problem is brought. If the quality or quantity of the purchased items is large, the handle of the plastic bag containing the items is narrow and the contact surface with the fingers is narrow, resulting in a large pressure. Carrying items by hand for a long time can cause hand discomfort and pain.

Contents of the invention

The object of the present invention is to provide a ring-shaped portable electronic scale with a handle, which solves the problems of single function and poor practicability of the pocket scale.

The technical solution to realize the object of the present invention is: a portable electronic scale with a ring handle, including a ring handle, a pressure sensor, a control unit, a power switch, an electronic display screen and a calibration reset button.

The outer wall of the ring-shaped handle is provided with grooves, and N pressure sensors are arranged in the grooves, N≥1; the control unit, power switch, electronic display screen and calibration reset button are all arranged on the ring-shaped handle, and the control units are respectively It is connected with the pressure sensor, power switch, electronic display and calibration return button, the power switch is connected with the electronic display, the power switch is connected with the battery, the battery supplies power to the control unit and the electronic display, and the handle part of the plastic bag is hung on the ring On the handle, the pressure is applied to the pressure sensor, the deformation of the pressure sensor causes the circuit impedance to change, and a changed analog signal is output. The signal is amplified by the circuit and output to the control unit. The control unit converts it into a weight value and sends it to the The electronic display is displayed on the electronic display, that is, the quality of the items in the plastic bag can be known through the reading of the electronic display.

The groove is arranged along the outer arc of the ring handle.

The N pressure sensors are arranged side by side at the place where the pressure of the handle of the plastic bag to the ring handle 1 is concentrated.

The calibration return-to-zero button is used to reset the ring-type portable electronic scale to zero and return to the initial state.

Compared with the prior art, the present invention has significant advantages in that:

(1) Combining a miniature electronic scale with a handle to realize one thing with multiple functions and bring convenience to users.

(2) The miniature electronic scale is small and easy to carry, and its pressure sensor is set in the groove on the top of the handle, which is more convenient for weighing the quality of the item than the scale hook.

(3) The ring-shaped handle is more convenient for carrying items with larger quality or quantity.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a ring-shaped portable electronic scale according to the present invention.

Fig. 2 is a connection schematic diagram of a control unit, a power switch, an electronic display screen, a calibration return button, and a pressure sensor of a ring-shaped portable electronic scale of the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Combining Figures 1 and 2, a ring-shaped portable electronic scale includes a ring handle 1, a pressure sensor 2, a control unit 3, a power switch 4, an electronic display 5, and a calibration reset button 6.

There is a groove on the outer wall of the ring handle 1, and N pressure sensors 2 are set in the groove, N≥1; the control unit 3, the power switch 4, the electronic display screen 5 and the calibration button 6 are all set Connect 1, control unit 3 to pressure sensor 2, power switch 4, electronic display 5 and calibration reset button 6 respectively, power switch 4 to electronic display 5, power switch 4 to battery, and battery to control unit 3 Power supply with the electronic display screen 5, hang the handle part of the plastic bag on the ring handle 1, the pressure is applied to the pressure sensor 2, the deformation of the pressure sensor 2 causes the circuit impedance to change, and a changed analog signal is output, and the signal is amplified by the circuit After output in the control unit 3, the control unit 3 converts it into a weight value, and sends it to the electronic display 5, and displays on the electronic display 5, that is, the quality of the article in the plastic bag can be known by the electronic display 5 readings.

The groove is arranged along the outer circular arc of the ring-shaped handle 1, so that the handle part of the plastic bag is hung on the ring-shaped handle 1 and is not easy to fall off.

The N pressure sensors 2 are arranged side by side at the place where the pressure of the handle of the plastic bag to the ring handle 1 is concentrated, so as to measure the gravity of the plastic bag.

The calibration reset button 6 is used to reset the ring-shaped portable electronic scale to zero and return to the initial state

Example 1

Referring to FIG. 1 , a portable electronic scale with a circular handle includes a circular handle 1 , a pressure sensor 2 , a control unit 3 , a power switch 4 , an electronic display 5 and a calibration button 6 .

A circle of grooves is arranged along the outer circular arc of the ring-shaped handle 1, which is convenient for hanging the handle part of the plastic bag on the ring-shaped handle 1 and is not easy to fall off. Four pressure sensors 2 are arranged in the top groove of the ring-shaped handle 1 for measuring the weight of the plastic bag hanging on the ring-shaped handle 1 .

The four pressure sensors 2 are arranged side by side in the groove at the top central area of the ring-shaped handle 1 .

2, the control unit 3, the power switch 4, the electronic display 5 and the calibration zero return button 6 are all arranged on the ring handle 1, and the control unit 3 is connected with the pressure sensor 2, the power switch 4, the electronic display 5 and the calibration respectively. The zero return button 6 is connected, and the power switch 4 is connected with the electronic display screen 5 . The power switch 4 is connected to the battery, and the battery supplies power to the control unit 3 and the electronic display 5, and the plastic bag handle is hung on the ring handle 1, the pressure is applied to the pressure sensor 2, and the deformation of the pressure sensor 2 causes the circuit impedance to change , output a changing analog signal, the signal is amplified by the circuit and output to the control unit 3, the control unit 3 converts it into a weight value, and sends it to the electronic display 5, which is displayed on the electronic display 5, that is, through the electronic display Screen 5 reading can know the quality of article in the plastic bag, realizes the function of electronic scale.

After each use, the control unit 3 controls the electronic display 5 to be reset by pressing the calibration return button 6 to restore the initial state.

The use process is as follows: When the user uses the ring-shaped portable electronic scale, first turn on the power switch 4, and if the reading on the electronic display 5 is not 0, then press the calibration back to zero button 6 to restore it to the initial state . Put the item to be weighed into a plastic bag and hang the handle of the plastic bag in the groove of the ring handle 1, so that the handle of the plastic bag is located on the pressure sensor 2 in the top groove, and the finger passes through the ring handle. Hold the center ring of handle 1 and lift it up vertically by holding the electronic scale. Due to the quality of the plastic bag and objects, the pressure sensor 2 in the groove of ring handle 1 generates pressure, and its deformation causes the circuit impedance to change. , output a changing analog signal, the signal is amplified by the circuit and output to the control unit 3, the control unit 3 converts it into a weight value, and sends it to the electronic display 5, which is displayed on the electronic display 5, that is, through the electronic display Screen 5 reading can know the quality of article in the plastic bag, realizes the function of electronic scale.

Another purpose of the present invention is to hang multiple plastic bag handles in the groove of the ring handle 1 at the same time, because the ring handle 1 is relatively wide, thereby increasing its contact area with the fingers and effectively reducing the pressure on the fingers. It is more convenient and comfortable for users to carry things.

Claims (4)

1. annular carries a wushu portable electronic piece scale, it is characterized in that: comprise annular and carry (1), pressure transducer (2), control module (3), power switch (4), electronic display (5) and calibration back to zero button (6);

Annular is carried and (1) outer wall is provided with groove, and N number of pressure transducer (2) is arranged in described groove, N >=1, control module (3), power switch (4), electronic display (5) and calibration back to zero button (6) are all arranged on annular and carry on (1), control module (3) respectively with pressure transducer (2), power switch (4), electronic display (5) is connected with calibration back to zero button (6), power switch (4) is connected with electronic display (5), power switch (4) is connected with battery, battery is to control module (3) and electronic display (5) power supply, polybag carried and carries on (1) partly hang over annular, pressure is applied to pressure transducer (2), there is deformation and cause circuit impedance to change in pressure transducer (2), export the simulating signal of a change, signal outputs in control module (3) after circuit amplifies, control module (3) is converted into weight amount, and send into electronic display (5), in the upper display of electronic display (5), namely the quality of article in polybag can be known by electronic display (5) reading.

2. annular according to claim 1 carries wushu portable electronic piece scale, it is characterized in that: described groove is annularly carried and (1) external arc is arranged.

3. annular according to claim 1 and 2 carries wushu portable electronic piece scale, it is characterized in that: described N number of pressure transducer (2) is disposed in parallel in polybag handle and carries concentrated for the pressure of 1 place annular.

4. annular according to claim 1 carries wushu portable electronic piece scale, it is characterized in that: described calibration back to zero button (6) resets reply original state for making annular carry wushu portable electronic piece scale.