Method for production of infrared radiation

FIELD: electricity.

SUBSTANCE: to obtain infrared radiation an electrical signal is sent to the input of the preemphases unit. The preemphases unit changes the signal form by taking the 8-th root of it. The changed signal is then sent to the input of the infrared radiation source.

EFFECT: simplification and acceleration of signal processing.

3 dwg

 

The invention relates to electrical engineering, in particular to the Converter equipment, and can be used in converters of electrical signals into infrared radiation, in particular in devices, are widely used for various measurements in medical technology.

The known device is used in the breathing mixture containing a source of infrared radiation, which feeds to the input signal and removing it from the output of the source [L.1, 2].

The method of obtaining infrared radiation by means described in [L.1, 2] of the device is to feed the signal to the input of the source of infrared radiation, removing from the output of the signal source, the measurement of the parameters of the signal and its subsequent processing.

The above-described method of obtaining infrared radiation provides the removal of the infrared signal of rectangular form, subsequent processing which is associated with considerable material and time costs.

The invention solves the problem of creating a method of producing infrared radiation, characterized by richer by receiving the output signal of sinusoidal form, which is quite simple in handling.

To solve the problem in a method of producing infrared radiation, harakterizuyu the camping signal is applied to the input of the source of infrared radiation, measurement of parameters of the signal taken from the output of the source of infrared radiation, and its subsequent processing, proposed according to the present invention before applying the signal to the input of the source of infrared radiation signal to be coupled to the input of block distortion, providing the change of the waveform by extracting from it the root of the eighth degree, then remove the signal from the output of block distortion and signal modified form to the input of the source of infrared radiation.

The invention is illustrated on the example of drawings, on which: figure 1 - functional diagram of the device that implements the inventive method; figure 2 - shape of the signal taken from the output of the source of infrared radiation; figure 3 - waveform taken from the output of the pre-emphasis module.

A device that implements the inventive method, comprises a generator 1 sinusoidal signal, the unit 2 pre-emphasis, source 3 infrared radiation.

The essence of the proposed method consists in the following.

The signal fed to the input of the generator 1 sinusoidal signal.

Then from the output of the generator 1 sinusoidal signal off signal, submit it to the input unit 2 pre-emphasis, in which the signal is modified by extracting the root of the eighth degree, and a modified signal fed to the input source 3 intracr the red radiation, which is subsequently removed from the output of a source of infrared radiation.

Remove from source output 3 infrared radiation signal has a sinusoidal shape and easily all sorts of transformations.

Figure 2 presents the shape of the signal taken from the output of the source of infrared radiation, namely along the axis of abscisses represents time in milliseconds on the y - axis the value of the current at the input of the source of infrared radiation.

Figure 3 presents the shape of the signal taken from the output of the pre-emphasis module, namely the dependence of the radiation intensity from time to time: the axis of abscisses represents time in milliseconds on the y - axis the radiation intensity in arbitrary units. In this case, the dependence of the current or voltage from time to time will have a similar character.

Presented in figure 2 and 3 characteristics it follows that the output of the source of infrared radiation signal has a sinusoidal shape.

Signal having a sinusoidal shape, characterized by simplicity in processing, as it does not require in the path of the measurement of the permanent component, which is necessary in the presence of a signal having a rectangular shape.

In accordance with the claimed solution LLC Triton-electronics developed technical documentation of the device module gas gas is a mixture composed of modular patient monitor MPR-7, implements the inventive method of obtaining infrared radiation on the basis of which manufactured the specified device. Analysis of its technical characteristics allowed us to conclude that it is significant superiority over produced by different companies with similar products. The process operation of this device is allowed to make a conclusion about the efficiency of the proposed method and its wide practical application in the future.

Literature

1. The sensor in the breathing mixture Artema AION, manufactured by Artema Medical AB, Sweden. 2001.

2. Size Matters: The World's Smallest Intrared Gos Analyzers; MSP Industry Alent; Medical Strategic Planning, Inc., vol.8, No. 2, September, 2006.

The method of obtaining infrared radiation, characterized by the signal to the input of the source of infrared radiation, the measurement signal taken from the output of the source of infrared radiation, characterized in that before applying the signal to the input of the source of infrared radiation signal fed to the input of block distortion, providing the change of the waveform by extracting from it the root of eighth degree with subsequent removal of the signal from the output of the block distortion and the signal modified form to the input of the source of infrared radiation.



 

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