Sensor calibration and inspection equipment

Abstract

The utility model discloses a sensor calibration inspection device, which comprises a tool table main body, the tool table main body comprises a working table top and a control box, the control box is provided with a power switch, a fault indicating lamp, a direct current source and a detection unit, the power switch is used for controlling the on-off of a power supply of the calibration inspection device, and the fault indicating lamp is used for indicating the on-off of the power supply. The fault indicating lamp is used for visually displaying the working state of an equipment power supply, the direct current source is used for providing a stable direct current reference for the sensor to ensure that the sensor can obtain reliable primary side current during inspection, the detection unit is used for measuring voltage and current of output signals of the sensor, and a measuring unit is arranged on the working table. According to the sensor calibration and inspection equipment, through cooperative arrangement of the power switch, the fault indicating lamp, the DC source and the detection unit, the current calibration and inspection process is simplified, the safety and stability of calibration and inspection are improved, and the production efficiency of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of current sensors, in particular to a sensor calibration and testing device. Background Art

[0002] With the rapid development of modern technology, sensors are increasingly used in various fields, from industrial production to daily life. The performance and accuracy of sensors directly impact the operational effectiveness and data accuracy of related systems and equipment. To ensure that sensors provide accurate and reliable data, related equipment must be tested and adjusted during the manufacturing process. This ensures the accuracy and reliability of measurement data. Accurate sensor data is the foundation of effective measurement, and calibration and inspection equipment ensures this accuracy.

[0003] On the other hand, it ensures the normal operation of systems and equipment. For example, in industrial automation, inaccurate sensor data may lead to production failures or product quality issues.

[0004] Based on the above situation, the utility model proposes a sensor calibration and testing device, which can effectively solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a sensor calibration and testing device. This device has a simple structure and is easy to use. By coordinating the power switch, fault indicator light, DC source, and detection unit, it simplifies the current calibration and testing process, improves the safety and stability of calibration testing, and enhances product production efficiency.

[0006] The utility model is achieved through the following technical solutions:

[0007] A sensor calibration and testing device comprises a workbench body, the workbench body comprising a work surface and a control box, the control box being provided with a power switch, a fault indicator light, a DC source, and a detection unit, the power switch being used to control the power on and off of the calibration and testing device, the fault indicator light being used to intuitively display the operating status of the device power supply, the DC source being used to provide a stable DC current reference for the sensor, ensuring that the sensor can obtain reliable primary current during testing, the detection unit being used to measure the voltage and current of the sensor output signal, and the measuring unit being provided on the work surface;

[0008] The measuring unit includes a measuring platform, a fixed seat is provided on the measuring platform, lifting cylinders are provided on both sides of the fixed seat, a connecting plate is connected between the push rods of the two lifting cylinders, a conductive part is fixed on the connecting plate, and the conductive part is provided above the fixed seat, a wiring seat is provided on the back of the fixed seat, and the wiring seat is electrically connected to the connecting plate.

[0009] The purpose of this utility model is to provide a sensor calibration and testing device. This device has a simple structure and is easy to use. By coordinating the power switch, fault indicator light, DC source, and detection unit, it simplifies the current calibration and testing process, improves the safety and stability of calibration testing, and enhances product production efficiency.

[0010] Preferably, the conductive member is a primary copper busbar.

[0011] Preferably, the detection unit is a digital multimeter.

[0012] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0013] The sensor calibration and inspection equipment of the utility model has a simple structure and is easy to use. Through the coordinated setting of the power switch, fault indicator light, DC source and detection unit, the current calibration and inspection process is simplified, the safety and stability of the calibration and inspection are improved, and the production efficiency of the product is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the measuring unit of the present invention. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific embodiments. However, it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting this patent. To better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the dimensions of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and are not to be construed as limiting this patent.

[0017] Example 1:

[0018] like Figures 1 to 2As shown, the present invention provides a sensor calibration and inspection device, including a workbench body 1, the workbench body 1 includes a work surface and a control box, the control box is provided with a power switch 2, a fault indicator light 3, a DC source 4 and a detection unit 5, the power switch 2 is used to control the power on and off of the calibration and inspection device, the fault indicator light 3 is used to intuitively display the working status of the device power supply, the DC source 4 is used to provide a stable DC current reference for the sensor, ensuring that the sensor can obtain a reliable primary current during inspection, the detection unit 5 is used to measure the voltage and current of the sensor output signal, and a measuring unit 6 is provided on the work surface;

[0019] The measuring unit 6 includes a measuring platform 61, a fixed seat 62 is provided on the measuring platform 61, and lifting cylinders 63 are provided on both sides of the fixed seat 62. A connecting plate 64 is connected between the push rods of the two lifting cylinders 63, and a conductive member 65 is fixed on the connecting plate 64, and the conductive member 65 is provided above the fixed seat 62. A wiring seat 66 is provided on the back of the fixed seat 62, and the wiring seat 66 is electrically connected to the connecting plate 64.

[0020] Example 2:

[0021] like Figures 1 to 2 As shown, the present invention provides a sensor calibration and inspection device, including a workbench body 1, the workbench body 1 includes a work surface and a control box, the control box is provided with a power switch 2, a fault indicator light 3, a DC source 4 and a detection unit 5, the power switch 2 is used to control the power on and off of the calibration and inspection device, the fault indicator light 3 is used to intuitively display the working status of the device power supply, the DC source 4 is used to provide a stable DC current reference for the sensor, ensuring that the sensor can obtain a reliable primary current during inspection, the detection unit 5 is used to measure the voltage and current of the sensor output signal, and a measuring unit 6 is provided on the work surface;

[0022] The measuring unit 6 includes a measuring platform 61, a fixed seat 62 is provided on the measuring platform 61, and lifting cylinders 63 are provided on both sides of the fixed seat 62. A connecting plate 64 is connected between the push rods of the two lifting cylinders 63, and a conductive member 65 is fixed on the connecting plate 64, and the conductive member 65 is provided above the fixed seat 62. A wiring seat 66 is provided on the back of the fixed seat 62, and the wiring seat 66 is electrically connected to the connecting plate 64.

[0023] The workbench body 1 provides a stable mounting and placement platform for the entire equipment, ensuring that shaking or instability will not affect operation during operation. Its solid structure can withstand significant weight and pressure. The workbench body 1 also effectively integrates the tools and resources required for various tests, making operations more organized and convenient. It provides operators with a centralized workspace, facilitating greater work continuity. Furthermore, its rational design helps improve the working environment, enhance comfort and safety, and provide a strong guarantee for efficient and high-quality work.

[0024] The main function of the power switch 2 is to control the on / off of the circuit. It can conveniently turn the power of the device on and off. It ensures that the device operates normally when needed and stops working when not needed, providing a safety protection function. It is an indispensable and important control component of the device.

[0025] The power indicator light visually displays the device's power status. It allows operators to quickly determine whether the device is powered on. It facilitates operation and monitoring, providing a clear visual indicator of proper device operation.

[0026] During sensor production, DC Source 4 provides a stable DC current reference for the sensor, ensuring reliable primary current during sensor testing. DC Source 4 also precisely adjusts the output current to meet the specific calibration requirements of different sensor grades, helping to optimize sensor performance and accuracy. This effectively improves sensor production quality and performance.

[0027] Terminal Block 66 provides a centralized and standardized wiring area, allowing wires to be connected in an orderly manner. This ensures the stability of wiring and prevents loose cables from causing poor contact or disconnection. It facilitates wiring layout and management, making complex circuit connections clear and easy to understand, and facilitating inspection and maintenance. It also provides insulation protection, reducing safety hazards such as leakage caused by improper wiring. Furthermore, Terminal Block 66 enables convenient line transfer and expansion in devices with different current levels, providing a foundation for flexible configuration and functional expansion.

[0028] The fixing base 62 mainly supports the sensor firmly to ensure that it maintains the correct position during operation and avoids shaking and displacement; this part adopts a slot that matches the sensor body. This method can facilitate the replacement of the fixing base 62 and thus be applicable to a wider range of product series.

[0029] The conductive member 65 is a primary copper busbar.

[0030] The primary copper busbar is responsible for efficiently transferring electrical energy from the current source to the primary side of the sensor being tested and calibrated. Because copper has excellent electrical and thermal conductivity, it can withstand high current loads and adapt to various power requirements.

[0031] Furthermore, in another embodiment, the detection unit 5 is a digital multimeter.

[0032] Detection unit 5 primarily utilizes a digital multimeter. Sensor output signals are typically voltage or current, requiring precise measurement. A digital multimeter offers high precision, high resolution, and high sensitivity, enabling accurate measurement of the voltage and current of sensor output signals. Furthermore, a digital multimeter provides an intuitive digital display, making it easy to read and record measurement results. It also offers a variety of measurement functions and range options to accommodate sensor signals of varying types and amplitudes.

[0033] The working principle of one embodiment of the utility model is as follows:

[0034] A sensor calibration and testing device. First, the device is powered on and ventilated. After the lifting cylinder 63 is raised to the required position, the test product is placed in it. After the switch test is started, the lifting cylinder 63 drives the primary copper bar to descend. Then the DC source 4 is powered, the primary side of the starting current source is connected, and the digital multimeter displays the test data.

[0035] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the sensor calibration and testing equipment of the present invention, and can produce the positive effects described in the present invention.

[0036] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicating orientation or positional relationships, they are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationships in this utility model are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, they can understand the specific meanings of the above terms in conjunction with the accompanying drawings and according to specific circumstances.

[0037] Unless otherwise specified or limited, the terms "disposed," "connected," and "connected" in this utility model should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention falls within the scope of protection of the present invention.

Claims

1. A sensor calibration and inspection device, characterized in that: The workbench comprises a main body, the main body comprising a work surface and a control box, the control box being provided with a power switch, a fault indicator light, a DC source and a detection unit, the power switch being used to control the power on and off of the calibration and inspection equipment, the fault indicator light being used to intuitively display the working status of the equipment power supply, the DC source being used to provide a stable DC current reference for the sensor to ensure that the sensor can obtain a reliable primary current during inspection, the detection unit being used to measure the voltage and current of the sensor output signal, and the measuring unit being provided on the work surface; The measuring unit includes a measuring platform, a fixed seat is provided on the measuring platform, lifting cylinders are provided on both sides of the fixed seat, a connecting plate is connected between the push rods of the two lifting cylinders, a conductive part is fixed on the connecting plate, and the conductive part is provided above the fixed seat, a wiring seat is provided on the back of the fixed seat, and the wiring seat is electrically connected to the connecting plate.

2. The sensor calibration and inspection device according to claim 1, characterized in that: The conductive member is a primary copper busbar.

3. The sensor calibration and inspection device according to claim 1, wherein: The detection unit is a digital multimeter.

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