Automatic measuring device for electrical devices and measuring method thereof

An electrical equipment, automatic measurement technology, applied in the field of electronics, can solve problems such as inability to control uniformly, inability to judge heating equipment according to current changes, inability to measure working current, etc., to achieve the effect of efficient control

Inactive Publication Date: 2016-07-20
徐光梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the electrical equipment is damaged and the current is too large or too small, the working current cannot be measured, and therefore the condition of the heating equipment cannot be judged according to the current change. Only after the temperature changes slowly can there be an operating response
Moreover, each thermostat is independently set and operated independently, and cannot be controlled uniformly.

Method used

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  • Automatic measuring device for electrical devices and measuring method thereof
  • Automatic measuring device for electrical devices and measuring method thereof
  • Automatic measuring device for electrical devices and measuring method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] refer to figure 1 , an automatic measurement device for electrical equipment, which includes a detection module, a control module and a central processing unit; the detection module and the control module are connected to the central processing unit; the detection module is connected to an external power supply, the control module is connected to the electrical equipment, and the detection module Connect with the control module; the detection module is used to measure all the parameters of the current value, voltage value, power value and quality factor of the electrical equipment passing through the circuit, or only measure one or several parameters; the control module is used According to the operation command from the central processing unit, the executed circuit is controlled through the switch output, analog output or duty ratio output; the central processing unit is used to process the electrical signal collected by the detection module, and according to the pre-wr...

Embodiment 2

[0030] refer to figure 2 , The difference between embodiment 2 and embodiment 1 is that the automatic measuring equipment for electrical equipment in embodiment 2 is also equipped with a communication module, and the communication module is connected to the central processing unit for signals, and other structures are consistent with embodiment 1. The communication module of the present invention generally uses modes such as RS232, RS485, CAN bus, network cable, wireless communication module, etc., and the communication agreement that carries out generally has general agreement such as MODBUS agreement, TCP\IP agreement, also can be the special agreement agreed inside user system. Through the setting of the communication module, it is convenient for technicians to share information with the electrical equipment side.

Embodiment 3

[0032] refer to image 3 , The difference between embodiment 3 and embodiment 2 is that: the automatic measurement equipment for electrical equipment in embodiment 3 is additionally provided with a human-computer interaction module, and the human-computer interaction module is connected to the central processing unit with signals, and other structures are consistent with embodiment 2. The human-computer interaction module of the present invention includes an output device and an input device; wherein, the output device is an LED indicator light, a digital tube, or a liquid crystal screen; and the input device is an instrument button, a liquid crystal touch screen, or a paperless recorder. Through the setting of the human-computer interaction module, it is convenient for technicians to remotely monitor and control electrical equipment.

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Abstract

The invention discloses an automatic measuring device for electrical devices and a measuring method thereof. The automatic measuring device for the electrical devices includes a detecting module, a control module and a central processing unit. The detecting module and the control module are connected to the central processing unit. The detecting module is connected to the control module. The detecting module is used for detecting one or a few among the current value, the voltage value, the power value and the quality factor of the electrical devices. The control module is used for, in accordance with operation commanders sent by the central processing unit, controlling a circuit to be executed through a switching value output, an analog output or a duty ratio output. The central processing unit is used for processing the electric signals which are acquired by the detecting module and giving real-time instructions for feedback operation in accordance with executive strategy programmed in advance and the acquired signals. According to the invention, through variations of current, voltage, power or quality factor, working states of the electric devices within the same network are rapidly learned, and through effective controlling of the electric devices by the preset executive strategy of the central processing unit, energy saving and environmental protection can be achieved.

Description

technical field [0001] The invention relates to the field of electronics, in particular to an automatic measuring device for electrical equipment and a measuring method thereof. Background technique [0002] There are more and more electrical equipment in use now, and many electrical equipment are unattended or unattended. Typical equipment is electric heating equipment, such as carbon crystal electric floor heating. This type of equipment generally has temperature monitoring feedback and is controlled according to the temperature value. However, temperature is a slow response parameter, and within a certain period of time after the equipment is not in normal working state, the temperature value is not enough to reach the change degree required by the alarm. Therefore, monitoring, feedback and control based on temperature values ​​will be relatively lagging. Moreover, many electrical equipment are still measured and controlled separately, without sufficient communication ...

Claims

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Application Information

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IPC IPC(8): G01R31/00
Inventor 徐光宇
Owner 徐光梅
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