Body temperature signal analog output device and method

An output device and signal simulation technology, which is applied in simulators, instruments, computer control, etc., can solve problems such as low precision of potentiometers, body temperature errors, and inability to realize continuous output of temperature values.

Pending Publication Date: 2018-12-04
CONTEC MEDICAL SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

High-precision resistors can simulate several specific temperature values, but cannot achieve continuous output of temperature values. However, there are various types of existing temperature monitoring probes, and the resistance values ​​corresponding to body temperature are n

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  • Body temperature signal analog output device and method
  • Body temperature signal analog output device and method
  • Body temperature signal analog output device and method

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Embodiment Construction

[0023] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] The body temperature signal analog output device simulates the body temperature signal by outputting the resistance value instead of the specified temperature. In the specific use process, the external detection device is connected to the output device through the interface of the output device. The detection device includes a constant current detection device and a voltage division detection device. The constant current detection device measures the resistance value of the output device by outputting a constant current. The voltage detection device measures the resistance value of the output device by dividing the output voltage. Body temperature signal analog out...

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Abstract

The invention provides a body temperature signal analog output device and method. The device comprises: a voltage source module, an adjustable resistance circuit and a detection circuit; two ends of the detection circuit are connected with two terminals of an interface of the output device respectively, and the detection circuit measures a circuit parameter value of the detecting device connectedto the interface; one end of the voltage source module is connected to one terminal of the interface, and the other end of the voltage source module is connected to one end of the adjustable resistance circuit; the other end of the adjustable resistance circuit is connected to the other terminal of the interface; and the output voltage of the voltage source module is adjustable. The voltage sourcemodule, the adjustable resistance circuit and the detecting device form a series access. The voltage value outputted by the voltage source module and the resistance value of the adjustable resistancecircuit are changed, so that the resistance value between the two terminals of the interface of the body temperature signal analog output device can be changed, and the continuous output of the resistance value can be realized.

Description

technical field [0001] The invention relates to the field of medical equipment, and more specifically, to a body temperature signal analog output device and method. Background technique [0002] Physiological signal simulation is mainly used for quality control and technical training of patient multi-parameter monitors. Body temperature signal is a common physiological signal. Temperature simulates body temperature. [0003] At present, the most common method for analog output of body temperature signal is to use several fixed high-precision resistors or use a potentiometer. High-precision resistors can simulate several specific temperature values, but cannot achieve continuous output of temperature values, and there are various types of existing temperature monitoring probes, and the resistance values ​​corresponding to body temperature are not the same. Although the continuous output of the resistance value can be realized by using the potentiometer, because the precisio...

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/21024
Inventor 胡坤许云龙卢云山刘晨亮崔景俊王英强王好哲陈丹
Owner CONTEC MEDICAL SYST
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