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High-precision program-controlled direct-current resistance box and resistance correction method

A DC resistance, high-precision technology, applied in the direction of measuring resistance/reactance/impedance, resistors, adjustable resistors, etc., can solve the problems of high error probability due to human factors, inability to realize automatic testing, and low efficiency, so as to avoid artificial The effect of factor error, fast adjustment speed and improved accuracy

Pending Publication Date: 2021-01-29
鹤壁盛源科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The old-fashioned resistance boxes are all manually operated with a decimal switch. This operation method has many shortcomings such as low efficiency, cumbersome, high probability of human error, and inability to realize automatic testing.

Method used

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  • High-precision program-controlled direct-current resistance box and resistance correction method
  • High-precision program-controlled direct-current resistance box and resistance correction method
  • High-precision program-controlled direct-current resistance box and resistance correction method

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Embodiment Construction

[0046] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] like Figures 1 to 3 As shown, the high-precision program-controlled DC resistance box includes: a controller; a keyboard module, the keyboard module is connected to the input end of the controller, the keyboard input module has a keyboard 402, and the keyboard 402 is used to input the resistance value; a display module, the display module and the control connected to the output end of the device, the display module has a display screen 401; the resistance network module, the resistance network module has at least one rotary rheostat device 5, and the rotary rheostat 5 has an adjustment handle 501; the motion control module, the motion control module and The controller is connected, and the motion control module is connected with a motor 6 having the same number as the rotary rheostat device in the resistance...

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Abstract

The invention provides a high-precision program-controlled direct-current resistance box and a resistance correction method. The high-precision program-controlled direct-current resistance box comprises a controller, a keyboard module, a display module, a resistance network module and a motion control module; the keyboard module is connected with the input end of the controller, the keyboard inputmodule is provided with a keyboard, and the keyboard is used for inputting a resistance value; the display module is connected with the output end of the controller, and the display module is provided with a display screen; the resistance network module is provided with at least one rotary rheostat , and a rotary rheostat is provided with an adjusting rotary handle; the motion control module is connected with the controller, the motion control module is connected with motors, the number of the motors is the same as that of the rotary rheostats in the resistance network module, and the motorsare in transmission connection with the adjusting rotary handle; the resistance value can be adjusted instead of manual work, the adjusting speed is high, the accuracy is high, and the use efficiencyis improved; according to the resistance correction method, the output error of the resistance box can be reduced, and the precision of the resistance box is improved.

Description

technical field [0001] The invention belongs to the technical field of resistance boxes, and in particular relates to a high-precision program-controlled DC resistance box and a resistance correction method. Background technique [0002] Resistance boxes are widely used in scientific research, metrology, thermal engineering, factories, schools and other fields for electrical measurement, calibration, testing, etc. The old-fashioned resistance boxes are all manually operated with a decimal switch, which has many shortcomings such as low efficiency, cumbersome operation, high probability of human error, and inability to realize automatic testing. [0003] Therefore, it is necessary to design a high-precision program-controlled DC resistance box that can replace manual adjustment of the resistance value, with fast adjustment speed, high accuracy, and improved use efficiency to solve the current technical problems. Contents of the invention [0004] Aiming at the deficiencies...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/07H01C10/50G01R27/02
CPCG05B19/07H01C10/50G01R27/02Y02E60/60
Inventor 闫军王文涛赵红杰黄树良宋新衡禹明哲郝俊杰王红强
Owner 鹤壁盛源科技有限公司
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