Rotary transformer resolving device

A resolver and resolver technology, which is applied in the field of resolver, can solve problems such as unfavorable seeker miniaturization, achieve the effects of reducing the number of hardware and circuits, facilitating maintenance, and reducing system costs

Pending Publication Date: 2020-05-05
哈尔滨新光光电科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One purpose of the present invention is to solve the defect that the existing technology requires the use of two computing chips and supporting circuits, which is not conducive to the miniaturization of the seeker when used in infrared seekers

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Examples

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Embodiment Construction

[0031] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0033] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0034] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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PUM

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Abstract

In order to overcome the defect in the prior art that two resolving chips and matched circuits are needed so that miniaturization of a seeker is not facilitated when the seeker is used for the infrared seeker, the invention provides a rotary transformer resolving device which comprises a main control unit, a rotary transformer digital converter and an exciting circuit. The rotary transformer digital converter generates an excitation signal in response to the excitation instruction of the main control unit, and the excitation signal enables the excitation circuit and a rotary transformer to generate mutual inductance; the device further comprises a signal switching processing circuit, and the signal switching processing circuit is used for selecting signals passing through a coarse channelor a fine channel and sending the signals to the rotary transformer digital converter so that the rotary transformer digital converter stores the digital quantity of the output signal of the rotary transformer in a register. The rotary transformer resolving device is suitable for the rotary transformer control system in the infrared seeker.

Description

technical field [0001] The invention relates to the field of rotary transformers, in particular to a rotary transformer solving device. Background technique [0002] In recent years, brushless servo motors have been used more and more in servo systems, and the control technology of brushless motors is also maturing. In the closed-loop control of the brushless motor, it is necessary to read the angular displacement and angular velocity of the brushless motor's shaft. Due to its simple structure, sensitive action, no special requirements for the environment, easy maintenance, strong anti-interference ability, and reliable operation, the resolver has been widely used in the servo field. [0003] In the prior art, two computing chips are generally used to process the data of the coarse channel and the fine channel respectively, and each chip needs to be provided with a set of filtering, amplification, and push-pull circuits. When the infrared seeker is inside, the overall volu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D5/20H02P6/16H01F38/18
CPCG01D5/2086H01F38/18H02P6/16
Inventor 梁陈孙洪宇肖蕾陈嘉平袁泉
Owner 哈尔滨新光光电科技股份有限公司
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