Weighing sensor with higher safety

Abstract

The utility model relates to the technical field of weighing sensors, in particular to a weighing sensor with higher safety, which comprises a base, the base is positioned at the bottom end of the whole device, a main body is fixedly mounted at the upper end of the base, a pressure-bearing head is mounted at the top end of the main body, and the pressure-bearing head penetrates through the middle of the main body and is connected onto an aperture sheet. An elastic body is fixedly installed at the bottom end of the pressure bearing head, a strain gauge is installed in the elastic body, a control block is installed at the bottom end of the elastic body, and a first patch and a second patch are installed on the upper portion and the lower portion of the control block respectively. The upper surface and the lower surface of the control block of the weighing sensor part are provided with the first patch and the second patch which are used for detecting deformation, signals are transmitted out through two groups of independent transmission lines in the sensor, and when one group of patches breaks down, the other group of patches can still operate, so that stable operation can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of weighing sensor technology, and more specifically, to a weighing sensor with higher safety. Background Technology

[0002] A load cell is a device that converts a mass signal into a measurable electrical signal output. Load cells mainly come in several styles, including S-type, cantilever type, spoke type, plate ring type, diaphragm type, bridge type, and cylindrical type. According to the conversion method, load cells are classified into eight categories: photoelectric type, hydraulic type, electromagnetic force type, capacitive type, magnetic pole changing type, vibration type, gyroscopic type, and resistance strain gauge type.

[0003] Weighing sensors are now widely used, but the accuracy and stability of current weighing sensors need to be improved during use. In addition, traditional weighing sensors only have a deformation detection patch on one side. When the patch fails, the weighing sensor cannot be used. A weighing sensor with higher safety is needed to solve this problem. Utility Model Content

[0004] The purpose of this invention is to provide a more secure weighing sensor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a weighing sensor with higher safety, including a base located at the bottom of the entire device, a main body fixedly installed on the upper end of the base, a pressure-bearing head installed at the top of the main body, the pressure-bearing head penetrating through the middle of the main body and connected to an aperture plate, an elastic body fixedly installed at the bottom end of the pressure-bearing head, and a strain gauge installed within the elastic body, a control block installed at the bottom end of the elastic body, and a first patch and a second patch respectively installed on the upper and lower parts of the control block.

[0006] As a preferred embodiment of this utility model, a data processing chip is installed inside the control block, and a circuit board is installed on the data processing chip.

[0007] As a preferred technical solution of this utility model, an interface is provided on one side of the main body, and the interface on the main body is connected to the control block through a connecting line.

[0008] As a preferred technical solution of this utility model, a limiting component is installed on the inner wall of the main body, and an aperture plate is rotatably connected to the limiting component, with the middle diameter of the aperture plate being larger than that of the pressure head.

[0009] As a preferred embodiment of this invention, the elastomer has an opening, and the opening is rectangular.

[0010] As a preferred embodiment of this utility model, a groove is provided at the middle of the upper end of the main body, and the diameter of the groove is larger than the diameter of the pressure-bearing head.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) This utility model is a weighing sensor with higher safety. The control block of the weighing sensor component of this device is equipped with a first patch and a second patch for detecting deformation on both the upper and lower sides. The sensor is then transmitted through two independent sets of transmission lines. When one set of patches fails, the other set of patches can still operate, ensuring stable operation. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a structural schematic diagram of a weighing sensor with higher safety according to an embodiment of the present utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a weighing sensor with higher safety according to an embodiment of the present utility model;

[0016] Figure 3 This is a structural schematic diagram of a weighing sensor control block with higher security according to an embodiment of the present utility model.

[0017] Figure label:

[0018] 1. Base; 2. Main body; 3. Interface; 4. Slot; 5. Pressure head; 6. Aperture plate; 7. Limiting component; 8. Elastomer; 9. Opening; 10. Strain gauge; 11. Control block; 12. Data processing chip; 13. Circuit board; 14. First patch; 15. Second patch; 16. Connecting wire. Detailed Implementation

[0019] The utility model will now be further described with reference to the accompanying drawings and specific embodiments: Example

[0020] refer to Figures 1 to 3Example 1 describes a device including a base 1 located at the bottom of the entire device. A main body 2 is fixedly installed on the upper end of the base 1. A pressure head 5 is installed at the top of the main body 2. The pressure head 5 passes through the middle of the main body 2 and is connected to the aperture plate 6. An elastic body 8 is fixedly installed at the bottom of the pressure head 5, and a strain gauge 10 is installed inside the elastic body 8. A control block 11 is installed at the bottom of the elastic body 8. A first patch 14 and a second patch 15 are respectively installed on the upper and lower parts of the control block 11. A limiting member 7 is installed on the inner wall of the main body 2. The aperture plate 6 is rotatably connected to the limiting member 7. The diameter of the aperture plate 6 is larger than that of the pressure head 5. An opening 9 is provided on the elastic body 8. The opening 9 is rectangular. A slot 4 is provided at the middle of the upper end of the main body 2. The diameter of the slot 4 is larger than that of the pressure head 5.

[0021] In this embodiment, the first patch 14 and the second patch 15 are installed inside the sensor and then transmit the signal out through two independent sets of transmission lines. When one set of patches fails, the other set of patches can still operate. Example

[0022] refer to Figure 2 Example 2 is described below. This embodiment further describes Example 1 and includes a control block 11. A data processing chip 12 is installed in the control block 11. A circuit board 13 is installed on the data processing chip 12. An interface 3 is opened on one side of the main body 2. The interface on the main body 2 is connected to the control block 11 through a connecting line 16.

[0023] In this embodiment, the circuit board 13 can process and convert electrical signals, and the data processing chip 12 will then perform corresponding data processing and analysis.

[0024] In practical applications, this device senses the weight of an object through the elastic body 8 and converts the weight into elastic deformation. The resistance strain gauge 10 senses this deformation and converts it into an electrical signal. The circuit board 13 then processes and converts these electrical signals, and finally the data processing chip 12 performs corresponding data processing and analysis. According to the preset measurement range and accuracy requirements, the electrical signal is converted into weight data. The control block 11 has a first patch 14 and a second patch 15 for detecting deformation on both the upper and lower surfaces. The signal is then transmitted out through two independent sets of transmission lines inside the sensor. When one set of patches fails, the other set of patches can still operate, ensuring stable operation.

[0025] In the description of this utility model, it should be noted that the terms "top," "bottom," "one side," "the other side," "front," "back," "middle part," "inner," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A weighing sensor with higher safety, characterized by, Including base (1), the base (1) is located at the bottom end of the whole device, the upper end of the base (1) is fixedly installed with main body (2), the top of the main body (2) is installed with pressure head (5), the pressure head (5) penetrates the middle of the main body (2) and is connected to the diaphragm (6), the bottom of the pressure head (5) is fixedly installed with elastic body (8), and the elastic body (8) is installed with strain gauge (10) in it, the bottom of the elastic body (8) is installed with control block (11), the upper and lower parts of the control block (11) are installed with first patch (14) and second patch (15) respectively.

2. The weighing sensor with higher safety according to claim 1, characterized in that, The control block (11) is installed with data processing chip (12) in it, and the data processing chip (12) is installed with circuit board (13) on it.

3. The weighing sensor with higher safety according to claim 1, characterized in that, The main body (2) is provided with interface (3) on one side, and the interface (3) on the main body (2) penetrates and connects to the control block (11) through connecting line (16).

4. The highly secure load cell of claim 1, wherein, The inner wall of the main body (2) is installed with limiting piece (7), the diaphragm (6) is rotatably connected to the limiting piece (7), and the aperture of the diaphragm (6) is larger than that of the pressure head (5).

5. The more secure load cell of claim 1, wherein, The elastic body (8) is provided with opening (9) on it, and the opening (9) is rectangular.

6. The more secure load cell of claim 1, wherein, The main body (2) is provided with slot (4) at the middle of the upper end, and the diameter of the slot (4) is larger than that of the pressure head (5).

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