Static scale

Abstract

The utility model relates to the field of weighing, in particular to a static scale, which comprises a weighing platform, a sensor, a signal processing unit and a power supply. Through the arrangement of the roller, the weighing platform can be seamlessly integrated into the roller conveying line, and is suitable for a dynamic weighing environment. Dust is prevented from entering a sensor below the weighing platform by arranging a dust-placing bottom plate; through the arrangement of the sensor and the signal processing unit, the interference of electric signals output by the sensor is reduced, and the accuracy of the weighing result is ensured. The problems that an existing static scale cannot be applied to a roller conveying line, electric signals output by a sensor are prone to being interfered by environmental noise, and consequently the weighing result is inaccurate are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing, in particular to a static scale. Background Art

[0002] In traditional roller conveyor operations, if weighing is required, a separate weighing device is typically placed next to the conveyor line. Operators must first remove the goods from the conveyor line, weigh them, and then return them to the conveyor line. This additional step not only increases the manual operation burden, but also reduces work efficiency and increases operating costs. Furthermore, traditional static scales, operating in a factory environment, suffer from the problem that the electrical signals output by the sensors are easily affected by environmental noise, resulting in inaccurate weighing results.

[0003] Therefore, there is an urgent need for a static scale that can be applied to roller conveyor lines and has accurate weighing results. Utility Model Content

[0004] To solve the problem that existing static scales cannot be applied to roller conveyor lines, the electrical signals output by the sensors are easily interfered by environmental noise, resulting in inaccurate weighing results.

[0005] The utility model provides a static scale, comprising a weighing platform, a sensor, a signal processing unit and a power supply; the weighing platform is used for placing products, and the weighing platform comprises a dustproof bottom plate, a first side plate, a second side plate and a roller, the first side plate and the second side plate are arranged on both sides of the top of the dustproof bottom plate, the rollers are arranged at equal intervals between the first side plate and the second side plate, and the two ends of the rollers are respectively connected to the first side plate and the second side plate; the sensor is used for converting physical weight into an electrical signal, and the sensor is located below the weighing platform; the signal processing unit comprises an electrically connected amplifier, a filter, a digital-to-analog converter and a microprocessor, the amplifier, the filter, the digital-to-analog converter and the microprocessor are respectively used for amplifying, filtering, digital-to-analog conversion and linearization processing of the electrical signal output by the sensor, the amplifier is electrically connected to the sensor; the power supply is electrically connected to the microprocessor.

[0006] Preferably, the drum includes a roller, a bearing and a cylinder, the two ends of the roller are respectively connected to the first side plate and the second side plate, the bearing is sleeved on both sides of the roller, and the cylinder is wrapped around the outside of the bearing.

[0007] Preferably, the static scale further comprises a display, a keyboard and a mouse, the display is electrically connected to the power supply, and the display, keyboard and mouse are all electrically connected to the communication interface of the microprocessor.

[0008] Preferably, the static scale further comprises a printer, the printer is electrically connected to the communication interface of the microprocessor, and the printer is electrically connected to the power supply.

[0009] Preferably, the static scale also includes a base, which includes a storage cabinet, a weighing frame and a support rod. The weighing frame is arranged on the top of the storage cabinet, the weighing frame is used to support the weighing platform, the support rod is connected to one side of the weighing frame, the top of the support rod is connected to the display, the support rod is connected to a first connecting member and a second connecting member, the first connecting member is connected to a first storage plate, the first storage plate is used to place a printer, the second connecting member is connected to a second storage plate, the second storage plate is used to place a keyboard and mouse.

[0010] Preferably, the static scale further comprises a warning light connected to the top end of the support rod, and the warning light is electrically connected to a GPIO pin of the microprocessor.

[0011] The roller configuration allows the scale to be seamlessly integrated into roller conveyor lines, making it suitable for dynamic weighing environments. A dust-removing floor prevents dust from entering the sensors beneath the scale. The sensor and signal processing unit reduce interference with the electrical signals output by the sensors, ensuring accurate weighing results. This solves the problem of existing static scales being unable to be used in roller conveyor lines, where the electrical signals output by the sensors are easily affected by environmental noise, leading to inaccurate weighing results. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is one of the three-dimensional diagrams of a static scale provided by the utility model.

[0013] Figure 2 This is the second stereoscopic diagram of a static scale provided by the utility model.

[0014] Figure 3 This is a three-dimensional diagram of the weighing platform provided by the utility model.

[0015] Figure 4 This is a circuit connection block diagram provided by the utility model.

[0016] In the figure: 1-weighing platform; 11-dustproof bottom plate; 12-first side plate; 13-second side plate; 14-drum; 141-roller; 142-bearing; 143-cylinder; 2-sensor; 3-signal processing unit; 31-amplifier; 32-filter; 33-digital-to-analog converter; 34-microprocessor; 4-display; 5-printer; 6-power supply; 7-keyboard; 8-mouse; 9-base; 91-storage cabinet; 92-weighing frame; 93-support rod; 931-first connecting piece; 932-second connecting piece; 933-first storage board; 934-second storage board; 10-warning light. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0018] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "install," "connect," "connect," and "assemble" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0019] Reference Figures 1-4 A static scale comprises a weighing platform 1, a sensor 2, a signal processing unit 3 and a power supply 6; the weighing platform 1 is used to place products, and the weighing platform 1 comprises a dustproof bottom plate 11, a first side plate 12, a second side plate 13 and a roller 14, the first side plate 12 and the second side plate 13 are arranged on both sides of the top of the dustproof bottom plate, and the roller 14 is arranged at equal intervals between the first side plate 12 and the second side plate 13, and the two ends of the roller 14 are respectively connected to the first side plate 12 and the second side plate 13; the sensor 2 is used to convert physical weight into an electrical signal, and the sensor 2 is located below the weighing platform; the signal processing unit 3 comprises an electrically connected amplifier 31, a filter 32, a digital-to-analog converter 33 and a microprocessor 34, the amplifier 31, the filter 32, the digital-to-analog converter 33 and the microprocessor 34 are respectively used to amplify, filter, digital-to-analog convert and linearize the electrical signal output by the sensor 2, the amplifier 31 is electrically connected to the sensor 2; the power supply 6 and the microprocessor 34 are electrically connected.

[0020] The installation of roller 14 allows the scale platform 1 to be seamlessly integrated into the roller 14 conveyor line, making it suitable for dynamic weighing environments. A dust-removing floor prevents dust from entering the sensor 2 beneath the scale platform 1. The configuration of sensor 2 and signal processing unit 3 reduces interference with the electrical signal output by sensor 2, ensuring accurate weighing results. This solves the problem that existing static scales cannot be used in roller 14 conveyor lines, and the electrical signal output by sensor 2 is easily interfered with by environmental noise, resulting in inaccurate weighing results.

[0021] In some embodiments, reference Figure 3 The roller 14 includes a roller 141, a bearing 142 and a cylinder 143. The two ends of the roller 141 are respectively connected to the first side plate 12 and the second side plate 13. The bearing 142 is sleeved on both sides of the roller 141, and the cylinder 143 is wrapped around the outside of the bearing 142.

[0022] Bearings 142 are installed on both sides of the roller 141 to reduce the friction between the roller 141 and the cylinder 143, ensuring that the cylinder 143 can rotate smoothly; the roller 141 has high strength and rigidity, and can withstand a large product weight, ensuring that the drum 14 works normally under heavy load conditions; the cylinder 143 is wrapped around the outside of the bearing 142, which can not only directly contact the goods, but also protect the internal bearing 142 and roller 141, prevent external dust and debris from entering, and extend the service life of the drum 14.

[0023] In some embodiments, reference Figure 1 The static scale further includes a display 4, a keyboard 7 and a mouse 8. The display 4 is electrically connected to the power supply 6. The display 4, the keyboard 7 and the mouse 8 are all electrically connected to the communication interface of the microprocessor 34.

[0024] Display 4 displays the weighing results and other relevant information, such as weight units, date, and time. This allows the operator to intuitively view and confirm weighing data. Keyboard 7 is used to input various commands and data, such as setting weight units, calibrating parameters, and entering product information. This provides a convenient human-computer interaction method. Mouse 8 facilitates graphical interface operation.

[0025] Further, refer to Figure 1 The static scale further includes a printer 5 , the printer 5 is electrically connected to the communication interface of the microprocessor 34 , and the printer 5 is electrically connected to the power supply 6 .

[0026] The printer 5 is used to print the weighing results and other relevant information, such as weight, date, time, product name, etc., for archiving and subsequent reference.

[0027] Further, refer to Figure 1-2 The static scale also includes a base 9, which includes a storage cabinet 91, a weighing frame 92 and a support rod 93. The weighing frame 92 is arranged on the top of the storage cabinet 91, and the weighing frame 92 is used to support the weighing platform 1. The support rod 93 is connected to one side of the weighing platform 1. The top of the support rod 93 is connected to the display 4. The support rod 93 is connected to a first connecting member 931 and a second connecting member 932. The first connecting member 931 is connected to a first storage plate 933. The first storage plate 933 is used to place the printer 5. The second connecting member 932 is connected to a second storage plate 934. The second storage plate 934 is used to place the keyboard 7 and the mouse 8.

[0028] The storage cabinet 91 is used to store various tools, spare parts, documents, etc., providing a convenient storage space to make the working environment more neat and orderly. The weighing platform 92 ensures that the scale platform 1 remains stable during the weighing process. The support rod 93 is used to support the display 4, ensuring that the display 4 is in the appropriate position and angle for the operator to view. The first connecting member 931 is used to fix the first storage board 933. The first storage board 933 provides a stable platform to ensure that the printer 5 does not shake during operation. The second connecting member 932 is used to fix the second storage board 934. The second storage board 934 provides a convenient operating platform, allowing the operator to easily operate the keyboard 7 and mouse 8.

[0029] Further, refer to Figure 1-2 The static scale further includes a warning light 10 connected to the top of the support rod 93 , and the warning light 10 is electrically connected to the GPIO pin of the microprocessor 34 .

[0030] A warning light 10 is attached to the top of the support rod 93, ensuring it is clearly visible within the operating area. The warning light 10 is electrically connected to the microprocessor 34 via a GPIO pin. The microprocessor 34 controls the on / off state of the warning light 10, and the microprocessor 34 controls its lighting and extinguishing via programming. When the weighing result exceeds the preset maximum weight limit or when sensor 2 malfunctions, the microprocessor 34 illuminates the warning light 10 via the GPIO pin, and a prompt box pops up on the display 4 simultaneously, prompting the operator to take appropriate action.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A static scale, characterized by: include: The weighing platform is used to place the product. The weighing platform includes a dustproof bottom plate, a first side plate, a second side plate and a roller. The first side plate and the second side plate are arranged on both sides of the top of the dustproof bottom plate. The rollers are arranged between the first side plate and the second side plate at equal intervals. The two ends of the rollers are respectively connected to the first side plate and the second side plate. The sensor, used to convert physical weight into an electrical signal, is located below the scale platform; a signal processing unit, comprising an electrically connected amplifier, a filter, a digital-to-analog converter, and a microprocessor, wherein the amplifier, the filter, the digital-to-analog converter, and the microprocessor are respectively used to amplify, filter, perform digital-to-analog conversion, and linearize the electrical signal output by the sensor, and the amplifier is electrically connected to the sensor; A power supply is electrically connected to the microprocessor.

2. A static scale according to claim 1, characterized in that: The drum includes a roller, a bearing and a cylinder. The two ends of the roller are respectively connected to the first side plate and the second side plate. The bearing is sleeved on both sides of the roller, and the cylinder is wrapped around the outside of the bearing.

3. A static scale according to claim 1, characterized in that: It also includes a display, a keyboard and a mouse. The display is electrically connected to a power supply, and the display, keyboard and mouse are all electrically connected to a communication interface of the microprocessor.

4. A static scale according to claim 3, characterized in that: It also includes a printer, a communication interface between the printer and the microprocessor, and a power supply.

5. A static scale according to claim 4, characterized in that: The utility model further includes a base, which includes a storage cabinet, a weighing frame and a support rod. The weighing frame is arranged on the top of the storage cabinet, the weighing frame is used to support the weighing platform, the support rod is connected to one side of the weighing frame, the top of the support rod is connected to the display, the support rod is connected to a first connecting member and a second connecting member, the first connecting member is connected to a first storage board, the first storage board is used to place a printer, the second connecting member is connected to a second storage board, the second storage board is used to place a keyboard and a mouse.

6. A static scale according to claim 5, characterized in that: The device also includes a warning light connected to the top of the support rod, and the warning light is electrically connected to the GPIO pin of the microprocessor.

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