Smart Sensor micro differential pressure gas pressure sensor plays a key role in CPAP treatment
Release time:
2022-09-09
Source:
Snoring (snoring) during sleep is a relatively common phenomenon, and it is often assumed that "snoring" means that the person is sleeping soundly. But in reality, this is not the case.
Recently, a #Four months baby by father snoring noisy air punch# was rushed to the first place on the Weibo hot search list, because he couldn't stand his father's snoring, the baby shook his head and waved his hand vigorously in his sleep, as if he wanted to "wave away" the snoring.
However, did you know that snoring not only affects the quality of sleep for yourself and those around you, but can also lead to a variety of diseases. There are two kinds of snoring, one is "simple" snoring, which is mostly caused by improper sleeping posture or nasal congestion caused by short-term snoring, which will disappear naturally after external causes are lifted (such as changing positions, cold healing, rhinitis control, etc.), except for affecting the rest of others, it has no effect on oneself and generally does not need treatment; In the process of continuous snoring, the purring suddenly disappears, and then the snoring continues, which is the appearance of apnea, which is medically known as sleep apnea-hypopnea syndrome (OSAHS). It is important to note that more than a quarter of people who simply snore habitually all year round suffer from sleep apnea-hypopnea syndrome, but 80% of them are unaware.
People with sleep apnea syndrome are mainly caused by the narrowing of the upper airway centered on the airway, and the lack of oxygen due to poor air circulation. At present, one of the main methods of treatment for OSAHS is the use of CPAP continuous positive airway pressure ventilator to assist the treatment, which is a treatment method that delivers air from a mask attached to the nose to exert a certain pressure on the airway, and its working principle is that in the case of normal breathing, whether inhalation or exhalation, the airway is open, and the method maintains positive airway pressure by controlling the pressure of the air delivered. In order to ensure that CPAP continuous positive airway pressure is working properly, a microdifferential pressure gas pressure sensor is required in the ventilator to monitor and control the positive airway pressure status.
The ZXP8 microdifferential pressure gas pressure sensor independently developed and produced by Beijing Smart Sensor Technology Co., Ltd. (hereinafter referred to as Smart Sensor) is one of the most important components in the ventilatorIt can achieve the purpose of gas flow monitoring through the monitoring of small changes in gas pressure, and maintain positive airway pressure ventilation of ventilators for a long time and effectively. The core of the ZXP8 micro differential pressure gas pressure sensor is a MEMS piezoresistive core and a high-performance signal conditioning circuit. The signal conditioning chip can digitally compensate the temperature linearity, bias and sensitivity of the MEMS piezoresistive core, and the signal conditioning circuit contains a 24-bit Σ-ΔADC to ensure the output of high-precision pressure signals. The sensor encapsulates a MEMS piezoresistive core and dedicated signal conditioning circuitry in a tube housing with a dual-valve structure to reduce the impact of the environment on the output.
Because the pressure sensor in the ventilator needs to monitor the patient's breathing signal at all times, so as to control the action of the respirator and synchronize it with the human respiration, the sensitivity of the pressure sensor, accuracy, operating temperature range, offset drift and other indicators are extremely high. The technical indicators of the ZXP8 micro differential pressure gas pressure sensor of Smart Sensor are at the leading level among similar products in China, and can even be comparable to similar foreign products, and it has a very cost-effective advantage!
The relevant parameters of ZXP8 micro differential pressure gas pressure sensor are as follows:
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