CN203981753U - 一种用于x光机的高压电压取样装置 - Google Patents

一种用于x光机的高压电压取样装置 Download PDF

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Publication number
CN203981753U
CN203981753U CN201420440142.5U CN201420440142U CN203981753U CN 203981753 U CN203981753 U CN 203981753U CN 201420440142 U CN201420440142 U CN 201420440142U CN 203981753 U CN203981753 U CN 203981753U
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China
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high voltage
positive
negative
voltage
resistance
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CN201420440142.5U
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Inventor
刘金虎
徐俊
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Nanjing Perlove Medical Equipment Co Ltd
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Nanjing Perlove Radial Video Equipment Co Ltd
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Abstract

一种用于X光机的高压电压取样装置,属于医疗器械技术领域。其结构由正高压电阻(1)、负高压电阻(2)、正高压取样电阻(3)、负高压取样电阻(4)、正高压电容(5)、负高压电容(6)、正高压取样电容(7)、负高压取样电容(8)组成,其特征在于:正高压电压和负高压电压通过正高压电阻和负高压电阻与正高压取样电阻和负高压取样电阻分压,得到正取样电压和负取样电压,正高压电流和负高压电流通过正高压电容和负高压电容对正高压取样电容和负高压取样电容充电,通过正高压电阻和负高压电阻放电,在正高压取样电容和负高压取样电容上得到高压取样波形。其优点是:能保证电压的动态响应和波形的一致性、平稳性。

Description

一种用于X光机的高压电压取样装置
技术领域
本实用新型属于医疗器械技术领域。
背景技术
近年来,世界上商品化X光机大都是以单独高压电阻分压取样电路获得取样电压,用X射线机高压测量和高压电源取样,此取样电路取得的电压波形不稳定,动态响应差。
发明内容
本实用新型的目的是:设计一种用于X光机的高压电压取样装置,能保持取样电压的动态响应和波形的一致性、平稳性。
本实用新型所采用的技术方案是:其结构由正高压电阻、负高压电阻、正高压取样电阻、负高压取样电阻、正高压电容、负高压电容、正高压取样电容、负高压取样电容组成,其特征在于:正高压电压和负高压电压通过正高压电阻和负高压电阻与正高压取样电阻和负高压取样电阻分压,得到正取样电压和负取样电压,正高压电流和负高压电流通过正高压电容和负高压电容对正高压取样电容和负高压取样电容充电,通过正高压电阻和负高压电阻放电,在正高压取样电容和负高压取样电容上得到高压取样波形。
本实用新型的有益效果是:能保持电压的动态响应和波形的一致性、平稳性。
附图说明
图1为一种用于X光机的高压电压取样装置的原理框图。
具体实施方式
参照附图,本装置由其结构由正高压电阻(1)、负高压电阻(2)、正高压取样电阻(3)、负高压取样电阻(4)、正高压电容(5)、负高压电容(6)、正高压取样电容(7)、负高压取样电容(8)组成,其特征在于:正高压电压和负高压电压通过正高压电阻和负高压电阻与正高压取样电阻和负高压取样电阻分压,得到正取样电压和负取样电压,正高压电流和负高压电流通过正高压电容和负高压电容对正高压取样电容和负高压取样电容充电,通过正高压电阻和负高压电阻放电,在正高压取样电容和负高压取样电容上得到高压取样波形。
具体实施例:可分别采用2只100兆欧高压电阻串联作为正高压电阻和负高压电阻,分别采用2只27千欧取样电阻并联作为正高压取样电阻和负高压取样电阻,分别采用16只500皮法高压电容串联作为正高压电容和负高压电容,分别采用4只0.1微法和2只0.033微法取样电容并联作为正高压取样电容和负高压取样电容,高压电阻和取样电阻分压让高压电压与取样电压幅度比值与电阻比值相等,高压电容和取样电容充放电,保持电压的动态响应和波形的一致性、平稳性。

Claims (1)

1.一种用于X光机的高压电压取样装置,其结构由正高压电阻(1)、负高压电阻(2)、正高压取样电阻(3)、负高压取样电阻(4)、正高压电容(5)、负高压电容(6)、正高压取样电容(7)、负高压取样电容(8)组成,其特征在于:正高压电压和负高压电压通过正高压电阻(1)和负高压电阻(2)与正高压取样电阻(3)和负高压取样电阻分压(4),得到正取样电压和负取样电压,正高压电流和负高压电流通过正高压电容(5)和负高压电容(6)对正高压取样电容(7)和负高压取样电容(8)充电,通过正高压电阻(1)和负高压电阻(2)放电,在正高压取样电容(7)和负高压取样电容(8)上得到高压取样波形。
CN201420440142.5U 2014-08-06 2014-08-06 一种用于x光机的高压电压取样装置 Expired - Fee Related CN203981753U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771488A (zh) * 2016-12-22 2017-05-31 珠海赛纳打印科技股份有限公司 负高压异常检测电路、装置、控制电路和成像设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106771488A (zh) * 2016-12-22 2017-05-31 珠海赛纳打印科技股份有限公司 负高压异常检测电路、装置、控制电路和成像设备
CN106771488B (zh) * 2016-12-22 2019-10-15 珠海赛纳打印科技股份有限公司 负高压异常检测电路、装置、控制电路和成像设备

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 211112 Jiangning, Jiangsu Province, open source road, No. 168, No.

Patentee after: NANJING PERLOVE MEDICAL EQUIPMENT CO., LTD.

Address before: 211112 Jiangning, Jiangsu Province, open source road, No. 168, No.

Patentee before: Nanjing Perlove Radial-video Equipment Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

Termination date: 20190806