Volatile organic compound (VOC) detection environment chamber of breathing machine
By designing a ventilator VOC detection environment chamber that includes a jacket, cabin, heating module, and sensors, the problem that traditional detection chambers cannot comprehensively assess VOC emissions inside and outside the ventilator is solved, enabling all-round VOC detection of the ventilator.
Patent Information
- Application Number
- CN202423130394.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Traditional VOC testing chambers cannot comprehensively assess the VOC emissions from the internal and external structures of ventilators, making it difficult to meet the needs of comprehensive testing.
A ventilator VOC detection environment chamber was designed, comprising a jacket, a chamber body, a heating module, a sampling module, and an air intake module. The heating module heats the gas in the air duct, and combined with differential pressure and temperature sensors, it enables VOC detection of internal and external components of the ventilator.
It enables the detection of the cleanliness of gases released by ventilators and can detect whether VOCs are released from the ventilator casing and tubing under high-temperature conditions, thus meeting comprehensive testing requirements.
Smart Images
Figure CN223679150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field, especially relate to a breathing machine VOC detects environmental cabin. BACKGROUND
[0002] As important medical equipment, the volatile organic compounds (VOC) discharged by the breathing machine can have potential impact on the health of patients and medical staff, so effective detection of the VOC discharge of the breathing machine is of great significance. The traditional VOC detection usually adopts a closed environmental cabin to collect and analyze VOC through the setting of a sampling port. However, the interface design of such an environmental cabin is relatively limited, and only the sampling test of the exhaust end of the breathing machine can be realized, which is difficult to meet the all-round test requirements of the internal and external structures of the breathing machine.
[0003] For example, for the VOC discharge of the breathing machine shell, pipeline and other components, the VOC exchange between these external exposed parts of the breathing machine and the external environment cannot be fully evaluated. UTILITY MODEL CONTENT
[0004] According to the utility model embodiment, a breathing machine VOC detection environmental cabin is provided, which comprises a jacket, a cabin body, a heating module, a sampling module and an air inlet module.
[0005] The cabin body is arranged in the jacket, and an air duct is formed between the cabin body and the jacket.
[0006] The heating module is arranged in the air duct.
[0007] The sampling module and the air inlet module are both in communication with the cabin body.
[0008] Further, the sampling module comprises a first pipeline, which penetrates the jacket and is in communication with the cabin body.
[0009] Further, the air inlet module comprises a second pipeline and a three-way valve.
[0010] The second pipeline penetrates the jacket, and one end of the second pipeline is in communication with the cabin body.
[0011] The inlet of the three-way valve is connected to the other end of the second pipeline, and one outlet of the three-way valve is connected to an external gas source.
[0012] Further, the heating module comprises a heating device for heating the gas in the air duct.
[0013] Further, it further comprises a differential pressure sensor and a temperature sensor, both of which are connected to the cabin body and are used to detect the pressure and temperature inside the cabin body, respectively.
[0014] The breathing machine VOC detection environment cabin according to the embodiment of the utility model not only can detect the cleanliness of the breathing machine released gas, but also can detect whether the breathing machine shell, pipeline and other components release VOC in the high temperature environment, and meets the comprehensive detection requirement of the breathing machine.
[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the subject technology claimed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The structure diagram of the breathing machine VOC detection environment cabin according to the embodiment of the utility model. DETAILED DESCRIPTION
[0017] The preferred embodiment of the utility model will be described in detail below with the drawings, and the utility model will be further described.
[0018] Firstly, the breathing machine VOC detection environment cabin according to the embodiment of the utility model will be described. Figure 1 The application scene of the breathing machine VOC detection environment cabin according to the embodiment of the utility model is very wide.
[0019] As shown in the figure, Figure 1 The breathing machine VOC detection environment cabin according to the embodiment of the utility model has a jacket 1, a cabin body 2, a heating module 3, a sampling module 4 and an air inlet module 5.
[0020] Specifically, as shown in the figure, Figure 1 The cabin body 2 is arranged in the jacket 1, and an air duct is formed between the cabin body 2 and the jacket 1; the heating module 3 is arranged in the air duct; and the sampling module 4 and the air inlet module 5 are both in communication with the cabin body 2.
[0021] Further, the sampling module 4 comprises a first pipeline 41, the first pipeline 41 penetrates through the jacket 1 and is in communication with the cabin body 2, and the first pipeline 41 in the embodiment is used for sampling.
[0022] Further, the air inlet module 5 comprises a second pipeline 51 and a three-way valve 52; the second pipeline 51 penetrates through the jacket 1, one end of the second pipeline 51 is in communication with the cabin body 2; the inlet of the three-way valve 52 is connected with the other end of the second pipeline 51, and one outlet of the three-way valve 52 is connected with an external gas source.
[0023] Further, the heating module 3 comprises a heating device 31, and the heating device 31 is used for heating the gas in the air duct.
[0024] Further, it further comprises a differential pressure sensor 6 and a temperature sensor 7; the differential pressure sensor 6 and the temperature sensor 7 are both connected with the cabin body 2 and are respectively used for detecting the pressure and the temperature inside the cabin body 2.
[0025] The ventilator VOC detection environment cabin of the embodiment can meet the VOC detection of the ventilator in three different situations when in use.
[0026] The first situation: detecting the release amount and cleanliness of the ventilator. The ventilator in working state is placed in the cabin body 2, sampling is carried out at the first pipeline 41 connected with the cabin body 2, the cleanliness of the ventilator release gas is measured, and the pressure difference sensor 6 measures the release amount of the ventilator release gas.
[0027] The second situation: detecting the influence of the ventilator working on the environment. The ventilator in working state is placed outside the cabin body 2, the gas outlet of the ventilator is connected to another outlet of the three-way valve 52, sampling is carried out at the first pipeline 41 connected with the cabin body 2, and the influence of the ventilator release gas on the environment in the cabin body 2 is detected.
[0028] The third situation: detecting whether the ventilator shell and pipeline release pollutants. The ventilator is placed in the cabin body 2, the gas in the air duct is heated by the heating device 31, the hot gas can heat the cabin body 2, so that the influence of the ventilator shell and pipeline on the environment in the cabin body 2 can be detected.
[0029] The above, with reference to Figure 1 The ventilator VOC detection environment cabin according to the embodiment of the utility model is described, which can not only detect the cleanliness of the ventilator release gas, but also detect whether the ventilator shell, pipeline and other components release VOC in the high temperature environment, so that the comprehensive detection requirement of the ventilator is met.
[0030] It should be noted that in the specification, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the elements defined by the statement "contain" do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.
[0031] Although the content of the utility model has been introduced in detail by the above preferred embodiment, it should be recognized that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.
Claims
1. A ventilator VOC detection environmental chamber, characterized in that, The device comprises a jacket, a cabin, a heating module, a sampling module and an air inlet module. The cabin is arranged in the jacket, and an air duct is formed between the cabin and the jacket. The heating module is arranged in the air duct. The sampling module and the air inlet module are both connected to the cabin.
2. The ventilator VOC detection environmental chamber of claim 1, wherein, The sampling module comprises a first pipeline which penetrates the jacket and is connected to the cabin.
3. The ventilator VOC detection environmental chamber of claim 1, wherein, The air inlet module comprises a second pipeline and a three-way valve. The second pipeline penetrates the jacket, and one end of the second pipeline is connected to the cabin. The inlet of the three-way valve is connected to the other end of the second pipeline, and one outlet of the three-way valve is connected to an external air source.
4. The ventilator VOC detection environmental chamber of claim 1, wherein, The heating module comprises a heating device which is used to heat the gas in the air duct.
5. The environmental chamber for detecting VOCs from a ventilator according to any one of claims 1 to 4, wherein The device further comprises a pressure difference sensor and a temperature sensor which are both connected to the cabin and are respectively used to detect the pressure and the temperature inside the cabin.