Time code recording type multipurpose electric meter
By designing a time-code recording multimeter and combining it with hardware modules such as a high-definition camera, video capture module, and timecode generator, the real-time and accuracy problems of traditional multimeters in power monitoring have been solved, enabling efficient monitoring and data transmission of power equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-06
AI Technical Summary
Traditional multimeters cannot meet the high precision, real-time performance, and accuracy requirements of modern power monitoring, especially in the fields of smart grids and industrial automation. The acquisition and signal conversion of video information from power equipment are complex and costly, and require high-precision clock modules to generate timestamps.
A time-code recording multi-purpose meter was designed, comprising a video processing module, a meter function module, a communication processing module, and an auxiliary connection module. Through hardware modules such as a high-definition camera, a video capture module, a digital-to-analog converter, and a time code generator, it realizes video acquisition, signal conversion, time recording, and data transmission, ensuring the accuracy and consistency of timestamps.
It enables comprehensive monitoring of the operating status of power equipment, ensures the clarity of video information and the accuracy of power parameters, provides a stable hardware foundation, and supports efficient data processing and transmission.
Smart Images
Figure CN223977286U_ABST
Abstract
Description
Technical Field
[0001] This utility model proposes a time-code recording type multi-purpose meter, which belongs to the field of multi-functional meters. Background Technology
[0002] Traditional multimeters are insufficient to meet the demands of modern power monitoring. While traditional multimeters primarily focus on measuring electrical parameters such as current, voltage, and power, practical applications often require more detailed and comprehensive monitoring of the operating status of power equipment. This is especially true in critical sectors such as smart grids, industrial automation, and data centers, where extremely high demands are placed on the real-time performance, accuracy, and completeness of power fault monitoring.
[0003] To achieve this functionality using existing technology, several technical challenges need to be addressed. First, the acquisition and signal conversion of video information require high-precision hardware support. Second, since electricity meters typically do not directly process video information, video frames need to be converted into a signal format that the meter can process. This is a non-standard requirement in practice, and this step is often complex and costly. To ensure the accuracy of data timing, a unique timestamp needs to be generated for each frame of image information. This requires the system to have a high-precision clock module or clock function to ensure the accuracy and consistency of the timestamps. Summary of the Invention
[0004] To address the technical problems existing in the prior art, this utility model proposes a time-code recording type multi-purpose meter, the technical features of which are as follows:
[0005] The time-code recording type multi-purpose meter includes a video processing module, a meter function module, a communication processing module, and an auxiliary connection module. The image signal output terminal of the video processing module is connected to the image signal input terminal of the meter function module, the digital signal output terminal of the meter function module is connected to the digital signal input terminal of the communication processing module, and the electrical signal output terminal of the auxiliary connection module is connected to the electrical signal input terminals of the video processing module, the meter function module, and the communication processing module, respectively.
[0006] Preferably, the video processing module includes a camera, a video capture module, and an image processing module. The digital signal input terminal of the camera is the same as the digital signal input terminal of the video processing module. The digital signal output terminal of the camera is connected to the digital signal input terminal of the video capture module. The analog signal output terminal of the video capture module is connected to the analog signal input terminal of the image processing module. The image signal output terminal of the image processing module is connected to the image signal input terminal of the meter function module.
[0007] Preferably, the video capture module includes a video capture card, a digital-to-analog converter, and an amplifier circuit. The digital signal input terminal of the video capture card is the same as the digital signal input terminal of the video capture module. The digital signal output terminal of the video capture card is connected to the digital signal input terminal of the digital-to-analog converter. The analog signal output terminal of the digital-to-analog converter is connected to the analog signal input terminal of the amplifier circuit. The analog signal output terminal of the amplifier circuit is the same as the analog signal output terminal of the video capture module.
[0008] Preferably, the meter function module includes a server, a multi-meter mainboard, a current transformer group, and a time code generator. The image signal input terminal of the server is the same as the image signal input terminal of the meter function module. The digital signal output terminal of the server is connected to the digital signal input terminal of the multi-meter mainboard. The digital signal output terminal of the current transformer group is connected to the digital signal input terminal of the multi-meter mainboard. The digital signal output terminal of the multi-meter mainboard is the same as the digital signal output terminal of the meter function module. The timestamp signal output terminal of the time code generator is connected to the timestamp signal input terminal of the multi-meter mainboard.
[0009] Preferably, the transformer group includes voltage transformers and current transformers.
[0010] Preferably, the mainboard of the multi-use meter has a built-in meter chip.
[0011] Preferably, the communication processing module includes a network interface card, a computer, and a memory. The digital signal input terminal of the network interface card is the digital signal input terminal of the communication processing module. The digital signal output terminal of the network interface card is connected to the digital signal input terminal of the computer. The computer and the memory are connected for bidirectional communication.
[0012] Preferably, the auxiliary connection module includes a power supply and a heat sink, and the electrical signal output terminals of the power supply and the heat sink are the electrical signal output terminals of the auxiliary connection module.
[0013] Preferably, the electrical signal output terminal of the power supply is also connected to the electrical signal input terminal of the heat sink.
[0014] Preferably, the computer includes a controller and a processor, wherein the digital signal input terminal of the controller is the digital signal input terminal of the computer, the controller and the processor are bidirectionally connected, and the digital signal output terminal of the processor is the digital signal output terminal of the computer.
[0015] The beneficial effects of this invention are as follows: Each hardware module of the time-code recording multi-use meter realizes functions such as video acquisition and conversion, time recording and energy parameter acquisition, data transmission and storage, and power supply and heat dissipation at the hardware level, providing a solid hardware foundation for stable system operation and data processing. Furthermore, it provides a multi-use meter with time-code recording capabilities, enabling the marking of time, frames (images), and source data (voltage or current signals converted from video), thereby achieving the acquisition and alarm of abnormal times. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the time-code recording type multi-purpose electrical display of this utility model;
[0017] Figure 2 This is a schematic diagram of a video processing module;
[0018] Figure 3 This is a schematic diagram of the meter's functional modules;
[0019] Figure 4 This is a schematic diagram of the communication processing module;
[0020] Figure 5 This is a schematic diagram of the auxiliary connection module. Detailed Implementation
[0021] The present invention will be further described below with reference to specific embodiments, but the present invention is not limited to the embodiments.
[0022] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and "vertical" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and 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.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 direct connection or an indirect connection through an intermediate medium; or they can refer to the internal connection between 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.
[0024] Furthermore, in the description of this utility model, unless otherwise stated, "multiple", "multiple groups", and "multiple roots" mean two or more.
[0025] Unless otherwise specified, the materials, instruments and methods used in the following embodiments are all conventional materials, instruments and methods in the art and can be obtained through commercial channels. Example 1
[0026] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;
[0027] The time-code recording type multi-purpose meter includes a video processing module, a meter function module, a communication processing module, and an auxiliary connection module. The image signal output terminal of the video processing module is connected to the image signal input terminal of the meter function module, the digital signal output terminal of the meter function module is connected to the digital signal input terminal of the communication processing module, and the electrical signal output terminal of the auxiliary connection module is connected to the electrical signal input terminals of the video processing module, the meter function module, and the communication processing module, respectively.
[0028] The principle and effect of the above content are as follows: The time-code recording multi-purpose meter includes a video processing module, a meter function module, a communication processing module, and an auxiliary connection module; the video processing module performs video acquisition and signal conversion; the meter function module performs time recording, voltage and current acquisition, and meter function settings; the communication processing module performs data transmission, data annotation, and data storage; and the auxiliary connection module provides power and heat dissipation for the other modules.
[0029] The image signal output terminal of the video processing module is connected to the image signal input terminal of the meter function module, and the image signal acquired and converted by the video processing module is transmitted to the meter function module.
[0030] The digital signal output terminal of the meter function module is connected to the digital signal input terminal of the communication processing module, and the digital signal value obtained by the meter function module is transmitted to the communication processing module.
[0031] The electrical signal output terminal of the auxiliary connection module is connected to the electrical signal input terminals of the video processing module, the electricity meter function module, and the communication processing module, respectively, to provide power and heat dissipation for the other modules.
[0032] The video processing module integrates a high-definition camera and a video capture module. The high-definition camera is responsible for capturing video information from a specific area, featuring high resolution and stable imaging capabilities to ensure the clarity and accuracy of the video information. The video capture module converts the analog video signal captured by the camera into a digital signal, then converts the digital signal back into a specific analog signal and amplifies it.
[0033] The meter function module integrates time recording, voltage and current acquisition, and meter function settings. Time recording utilizes a timecode recording device to generate precise timestamps, ensuring accurate recording of each frame of image information. Current and voltage transformers convert the current and voltage in the circuit into digital signals that the meter chip can process. The meter function setting interface allows users to configure and calibrate the meter according to their actual needs, such as setting measurement range and accuracy parameters. The communication processing module includes a network interface card (NIC) and a data storage unit. The NIC supports the SMTP protocol, encoding the digital signals (including image information and energy parameters) transmitted by the meter function module into network data packets, which are then sent to a specified email address or server via Ethernet or other network protocols. The data storage unit temporarily stores acquired video frames, processed image information, and energy parameters. The auxiliary connection module includes a power management circuit and a cooling system. The power management circuit provides a stable power supply voltage to the entire system, ensuring the normal operation of each module. The cooling system includes components such as fans and heat sinks to dissipate heat generated during system operation, preventing overheating and ensuring long-term stable operation. Example 2
[0034] The difference between Example 2 and Example 1 is that Example 2 is a detailed description of the composition and connection method of Example 1.
[0035] The video processing module includes a camera, a video capture module, and an image processing module. The digital signal input terminal of the camera is also the digital signal input terminal of the video processing module. The digital signal output terminal of the camera is connected to the digital signal input terminal of the video capture module. The analog signal output terminal of the video capture module is connected to the analog signal input terminal of the image processing module. The image signal output terminal of the image processing module is connected to the image signal input terminal of the meter function module. Figure 2 As shown.
[0036] The video capture module includes a video capture card, a digital-to-analog converter, and an amplifier circuit. The digital signal input terminal of the video capture card is the same as the digital signal input terminal of the video capture module. The digital signal output terminal of the video capture card is connected to the digital signal input terminal of the digital-to-analog converter. The analog signal output terminal of the digital-to-analog converter is connected to the analog signal input terminal of the amplifier circuit. The analog signal output terminal of the amplifier circuit is the same as the analog signal output terminal of the video capture module.
[0037] The meter function module includes a server, a multi-meter mainboard, a current transformer group, and a time code generator. The image signal input terminal of the server is also the image signal input terminal of the meter function module. The digital signal output terminal of the server is connected to the digital signal input terminal of the multi-meter mainboard. The digital signal output terminal of the current transformer group is also connected to the digital signal input terminal of the multi-meter mainboard. The digital signal output terminal of the multi-meter mainboard is the digital signal output terminal of the meter function module. The timestamp signal output terminal of the time code generator is connected to the timestamp signal input terminal of the multi-meter mainboard. Figure 3 As shown.
[0038] The transformer group includes voltage transformers and current transformers.
[0039] The mainboard of the multi-purpose meter has a built-in meter chip.
[0040] The communication processing module includes a network interface card, a computer, and a memory. The digital signal input terminal of the network interface card is the digital signal input terminal of the communication processing module. The digital signal output terminal of the network interface card is connected to the digital signal input terminal of the computer. The computer and the memory are bidirectionally connected.
[0041] The auxiliary connection module includes a power supply and a heat sink. The electrical signal output terminals of the power supply and the heat sink are the electrical signal output terminals of the auxiliary connection module. Figure 5 As shown.
[0042] The power supply's electrical signal output terminal is also connected to the heat sink's electrical signal input terminal.
[0043] The computer includes a controller and a processor. The digital signal input terminal of the controller is the digital signal input terminal of the computer. The controller and the processor are bidirectionally connected. The digital signal output terminal of the processor is the digital signal output terminal of the computer.
[0044] The principles and effects of the above content are as follows:
[0045] The video processing module mainly consists of a camera, a video capture module, and an image processing module. The camera captures video information from a specific area and converts it into a digital signal. The video capture module includes a video capture card, a digital-to-analog converter (DAC), and an amplifier circuit. It receives the digital signal from the camera, performs necessary DAC conversion and signal amplification. The DAC converts the digital signal into a voltage or current signal, and the image processing module further processes the amplified analog signal, such as denoising and enhancement, ultimately generating an image signal usable by the meter's functional module. The camera provides high-resolution video information, ensuring image clarity. The video capture card efficiently converts the digital video signal into a system-recognizable format. The DAC and amplifier circuit enhance signal quality and improve the accuracy of image processing.
[0046] An image processing module optimizes images. The image processing module includes an image sensor and an image signal processor. The analog signal input terminal of the image sensor is also the analog signal input terminal of the image processing module. The digital signal output terminal of the image sensor is connected to the digital signal input terminal of the image signal processing module, and the image signal output terminal of the image signal processor is also the image signal output terminal of the image processing module.
[0047] The meter function module consists of a server, a multi-meter mainboard, a group of current transformers, and a timecode generator. The server receives image signals from the image processing module and transmits them, along with voltage and current data collected by the current transformers, to the multi-meter mainboard. The multi-meter mainboard, with its built-in meter chip, processes this data and generates energy parameters. The timecode generator generates precise timestamps for each frame of image information, ensuring the accuracy of the data's timing. The server, acting as the data processing center, coordinates data transmission between the modules. The multi-meter mainboard and meter chip accurately measure energy parameters, providing reliable data. The current transformers accurately collect voltage and current data, providing the foundation for the meter's functions. The timecode generator ensures accurate timestamps for subsequent analysis. The server provides data processing capabilities for the meter function module.
[0048] The communication processing module consists of a network interface card, a computer, and a memory. The network interface card receives digital signals transmitted from the meter's functional modules and transmits them to the computer. The controller within the computer processes this data and generates information annotation functions through the processor. The memory is used to temporarily store this data so that it can be sent to a designated address when needed. The network interface card enables high-speed network data transmission. The computer's controller / processor efficiently processes data, generates annotation information, and performs corresponding annotations based on the acquired preset data (this is existing technology); the memory provides data buffering to ensure the continuity of data transmission. The auxiliary connection module includes a power supply and a heat sink. The power supply provides a stable power voltage for the entire system, ensuring the normal operation of each module. The heat sink, through components such as cooling fans, dissipates the heat generated during system operation in a timely manner, preventing overheating. The power supply provides a stable and reliable power supply, ensuring stable system operation. The heat sink effectively dissipates heat, extending the system's lifespan and improving stability. Figure 4 As shown
[0049] In summary, the various modules work together to realize the hardware functions of the time-code recording multi-purpose meter. By capturing video information through a high-definition camera, and processing and transmitting it through the video processing module, the meter function module, and the communication processing module, the timestamped image information and electrical parameters are finally sent to a designated address, achieving comprehensive monitoring of the operating status of the power equipment.
[0050] All data storage, data analysis, and control methods involved in the video processing module, electricity meter function module, communication processing module, and auxiliary connection module of this utility model are existing technologies in the field. This utility model does not improve any software programs or methods. This utility model only designs the hardware structure combining the video processing module, electricity meter function module, communication processing module, and auxiliary connection module. The methods or software programs involved in the hardware structure to realize the effects or functions of the video processing module, electricity meter function module, communication processing module, and auxiliary connection module are all based on existing methods or software program design books, manuals, or product manuals by those skilled in the art, combined with the functions involved in the principles and effects of this utility model, and can be implemented by independent programming.
[0051] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the claims.
Claims
1. A time code recording type multimeter, characterized by comprising: The time code recording type multi-purpose ammeter comprises a video processing module, an ammeter function module, a communication processing module and an auxiliary connection module, an image signal output end of the video processing module is connected with an image signal input end of the ammeter function module, a digital signal output end of the ammeter function module is connected with a digital signal input end of the communication processing module, and an electric signal output end of the auxiliary connection module is connected with electric signal input ends of the video processing module, the ammeter function module and the communication processing module.
2. The time code recording type multi-meter according to claim 1, wherein The video processing module comprises a camera, a video capture module and an image processing module, a digital signal input end of the camera is the digital signal input end of the video processing module, a digital signal output end of the camera is connected with a digital signal input end of the video capture module, an analog signal output end of the video capture module is connected with an analog signal input end of the image processing module, and an image signal output end of the image processing module is connected with an image signal input end of the ammeter function module.
3. The time code recording type multi-meter according to claim 2, wherein The video capture module comprises a video capture card, a digital-analog converter and an amplification circuit, a digital signal input end of the video capture card is the digital signal input end of the video capture module, a digital signal output end of the video capture card is connected with a digital signal input end of the digital-analog converter, an analog signal output end of the digital-analog converter is connected with an analog signal input end of the amplification circuit, and an analog signal output end of the amplification circuit is the analog signal output end of the video capture module.
4. The time code recording type multi-meter according to claim 1, wherein The ammeter function module comprises a server, a multi-purpose ammeter mainboard, a mutual inductor group and a time code generator, an image signal input end of the server is the image signal input end of the ammeter function module, a digital signal output end of the server is connected with a digital signal input end of the multi-purpose ammeter mainboard, a digital signal output end of the mutual inductor group is connected with a digital signal input end of the multi-purpose ammeter mainboard, a digital signal output end of the multi-purpose ammeter mainboard is the digital signal output end of the ammeter function module, and a time stamp signal output end of the time code generator is connected with a time stamp signal input end of the multi-purpose ammeter mainboard.
5. The time code recording type multi-meter according to claim 4, wherein The mutual inductor group comprises a voltage mutual inductor and a current mutual inductor.
6. The time code recording type multi-meter according to claim 4, wherein The multi-purpose ammeter mainboard is internally provided with an ammeter chip.
7. The time code recording type multi-meter according to claim 1, wherein The communication processing module comprises a network interface card, a computer and a memory, a digital signal input end of the network interface card is the digital signal input end of the communication processing module, a digital signal output end of the network interface card is connected with a digital signal input end of the computer, and the computer is connected in bidirectional communication with the memory.
8. The time code recording type multi-meter according to claim 1, wherein The auxiliary connection module comprises a power supply and a radiator, and the electric signal output ends of the power supply and the radiator are the electric signal output ends of the auxiliary connection module.
9. The time code recording type multi-meter according to claim 8, wherein The electric signal output end of the power supply is further connected with an electric signal input end of the radiator.
10. The time code recording type multi-meter according to claim 7, wherein The computer comprises a controller and a processor, a digital signal input end of the controller is the digital signal input end of the computer, the controller is connected in bidirectional communication with the processor, and a digital signal output end of the processor is the digital signal output end of the computer.