Gas sensing device and waterproofing arrangement therefor

Abstract

The application provides a gas sensing device, which comprises a gas sensor and a waterproof device, wherein when the waterproof device is in a first working position, the waterproof device forms a first gas passage and a second gas passage, the first gas passage is communicated with the gas inlet of the gas sensor and the external environment respectively, and the second gas passage is communicated with the gas outlet of the gas sensor and the external environment respectively; when the waterproof device is in a second working position, the gas inlet and the gas outlet of the gas sensor are both blocked from the external environment, so that the gas sensing device can seal the gas sensor in the waterproof device in time when the gas sensing device is flooded, and the gas detection or sensing function of the gas sensor of the gas sensing device is prevented from being affected by water.

Claims

1. A gas sensing device, characterized in that, include: Gas sensor; and A waterproof device includes a gas sensor having at least one first opening, at least one second opening, and at least one gas detection channel. The gas detection channel of the gas sensor is connected to both the first and second openings, and the sensing element of the gas sensor is exposed in the gas detection channel. The waterproof device forms at least one first gas channel and at least one second gas channel. The first gas channel is connected to the first opening of the gas sensor, and the second gas channel is connected to the second opening of the gas sensor. When the waterproof device is in a first operating position, the first gas channel is connected to the gas detection channel. The first opening of the gas sensor is connected to the external environment, and the second gas channel is connected to both the second opening of the gas sensor and the external environment. When the waterproof device is in a second working position, the communication between the first gas channel and the second gas channel and the external environment is blocked, thereby blocking the communication between the first opening and the second opening of the gas sensor and the external environment. The waterproof device includes a first body, a second body, a first control component, and a second control component, wherein the first body, the second body, the first control component, and the second control component are arranged vertically from top to bottom. A sensor is disposed between the first body and the second body. A first control component is disposed below the first body, and a second control component is disposed below the second body. The first control component is configured to move vertically toward the first body until it presses against the first body to block the communication between the first gas passage and the external environment, and to move away from the first body to form a first space between the first body and the first control component. The second control component is configured to move vertically toward the second body until it presses against the second body to block the communication between the first gas passage and the external environment. The first space is connected to the first gas channel and the external environment, and the second space is connected to the second gas channel and the external environment. When the waterproof device is in the first working position, the first control component moves away from the first body to form the first space, and the second control component moves away from the second body to form the second space. When the waterproof device is in the second working position, the first control component presses against the first body, and the second control component presses against the second body.

2. The gas sensing device according to claim 1, characterized in that, The first body forms the first gas channel, and the second body forms the second gas channel. Each of the first gas channels has a first connecting opening and a second connecting opening, and each of the second gas channels has a first conductive opening and a second conductive opening. The first connecting opening is positioned facing the first control component, and the second connecting opening is positioned in a watertight connection to the first opening of the gas sensor. The first conductive opening is positioned facing the second control component, and the second conductive opening is positioned in a watertight connection to the second opening of the gas sensor. This allows the first connecting opening of the first gas channel to be sealed when the first control component presses against the first body, and the first conductive opening of the second gas channel to be sealed when the second control component presses against the second body.

3. The gas sensing device according to claim 2, characterized in that, The first body further includes at least one first magnetic element, and the first control component includes at least one second magnetic element, wherein the first magnetic element is disposed on the first body, wherein the magnetism of the first magnetic element and the second magnetic element is arranged in opposite directions, and the first magnetic element and the second magnetic element are arranged opposite to each other, such that when the first control component presses against the first body, the first magnetic element and the second magnetic element can attract each other together.

4. The gas sensing device according to claim 3, characterized in that, The second body further includes at least one first magnetic element, and the second control component includes at least one second magnetic element, wherein the first magnetic element is disposed on the second body, wherein the magnetism of the first magnetic element and the second magnetic element is arranged in opposite directions, and the first magnetic element and the second magnetic element are arranged opposite to each other, so that when the second control component presses against the second body, the first magnetic element and the second magnetic element can attract each other together.

5. The gas sensing device according to claim 4, characterized in that, The density of both the first control component and the second control component is set to be less than that of water, the magnetic attraction force between the first magnetic element and the second magnetic element is less than the weight of the first control component, and the magnetic attraction force between the first magnetic component and the second magnetic component is less than the weight of the second control component.

6. The gas sensing device according to claim 5, characterized in that, The first body includes a first main body portion, a first mounting member, and a first sidewall, wherein the first mounting member and the first sidewall extend from the first main body portion, wherein the first main body portion forms a first inner side, a first outer side, and a first gas passage, wherein the first inner side, the first sidewall, and the first mounting member of the first main body portion enclose a first operating chamber, and the first inner side and the first mounting member of the first main body portion form a first mounting cavity, wherein the first connecting opening of the first gas passage is disposed on the first inner side of the first main body portion and located on the first mounting cavity. Between the component and the first sidewall, the second connecting opening of the first gas channel is disposed on the first inner side of the first main body and surrounded by the first mounting component, wherein the first operating chamber is connected to the external environment, the second connecting opening of the first gas channel is connected to the first mounting cavity, wherein the sensing end of the gas sensor is water-tightly disposed in the first mounting cavity, and the first opening of the gas sensor is disposed at the sensing end of the gas sensor, so that the second opening of the gas sensor can be connected to the second connecting opening of the first gas channel through the first mounting cavity.

7. The gas sensing device according to claim 6, characterized in that, The second body includes a second main body portion, a second mounting member, and a second sidewall. The second main body portion forms a second inner side, a second outer side, and a second gas passage. The second mounting member and the second sidewall extend from the second outer side and the second inner side of the second main body portion, respectively. The second inner side and the second sidewall of the second main body portion enclose a second operating chamber. The second outer side of the second main body portion and the second mounting member form a second mounting cavity. The first conductive opening of the second gas passage is located on the second inner side of the second main body portion, and the second conductive opening of the second gas passage is located on the second outer side of the second main body portion. The second operating chamber is connected to the external environment, and the second conductive opening of the second gas passage is connected to the second mounting cavity. The extended end of the gas sensor is water-tightly disposed in the second mounting cavity, and the second opening of the gas sensor is located on the extended end of the gas sensor, so that the first opening of the gas sensor can be connected to the second conductive opening of the second gas passage through the second mounting cavity.

8. The gas sensing device according to claim 6, characterized in that, The first control assembly includes at least one first control element and a first float, wherein the first control element is disposed between the first inner side of the first main body and the first float, and the first control assembly is located in the first operating room.

9. The gas sensing device according to claim 7, characterized in that, The first control assembly includes at least one first control element and a first float, wherein the first control element is disposed between the first inner side of the first main body and the first float, and the first control assembly is located in the first operating room.

10. The gas sensing device according to claim 9, characterized in that, The second control assembly includes at least one second control element and a second float, wherein the second control element is disposed between the second inner side of the second main body and the second float, and the second control assembly is located in the second operating room.

11. A waterproof device for a gas sensing equipment, characterized in that, include: A primary subject; A second subject; A primary control component; and A second control component, wherein the first body, the second body, the first control component, and the second control component are arranged vertically from top to bottom, wherein the first control component is disposed below the first body, and the second control component is disposed below the second body, wherein the first control component is configured to be movable vertically toward the first body to press against the first body, and to move away from the first body to form a first space between the first body and the first control component; The second control component is configured to move vertically toward the second main body to press against the second main body, and to move away from the second main body to form a second space between the second main body and the second control component. The first space is configured to communicate with the first gas channel of the first main body and the external environment, respectively. The second space is configured to communicate with the second gas channel of the second main body and the external environment, respectively. When the waterproof device is in a first working position, the first control component moves away from the first main body to form the first space, and the second control component moves away from the second main body to form the second space. When the waterproof device is in a second working position, the first control component presses against the first main body, and the second control component presses against the second main body.

12. The waterproof device according to claim 11, characterized in that, Each of the first gas channels has a first connecting opening and a second connecting opening, and each of the second gas channels has a first conductive opening and a second conductive opening, wherein the first connecting opening is positioned facing the first control component, and the first conductive opening is positioned facing the second control component, such that when the first control component presses against the first body, the first connecting opening of the first gas channel can be sealed; and when the second control component presses against the second body, the first conductive opening of the second gas channel can be sealed.

13. The waterproof device according to claim 12, characterized in that, The first body further includes at least one first magnetic element, and the first control component includes at least one second magnetic element, wherein the first magnetic element is disposed on the first body, wherein the magnetism of the first magnetic element and the second magnetic element is arranged in opposite directions, and the first magnetic element and the second magnetic element are arranged opposite to each other, such that when the first control component presses against the first body, the first magnetic element and the second magnetic element can attract each other together.

14. The waterproof device according to claim 13, characterized in that, The second body further includes at least one first magnetic element, and the second control component includes at least one second magnetic element, wherein the first magnetic element is disposed on the second body, wherein the magnetism of the first magnetic element and the second magnetic element is arranged in opposite directions, and the first magnetic element and the second magnetic element are arranged opposite to each other, so that when the second control component presses against the second body, the first magnetic element and the second magnetic element can attract each other together.

15. The waterproof device according to claim 14, characterized in that, The density of both the first control component and the second control component is set to be less than that of water, the magnetic attraction force between the first magnetic element and the second magnetic element is less than the weight of the first control component, and the magnetic attraction force between the first magnetic component and the second magnetic component is less than the weight of the second control component.

16. The waterproof device according to claim 15, characterized in that, The first main body includes a first main body portion, a first mounting member, and a first sidewall, wherein the first mounting member and the first sidewall extend from the first main body portion, wherein the first main body portion forms a first inner side, a first outer side, and a first gas passage, wherein the first inner side, the first sidewall, and the first mounting member of the first main body portion enclose a first operating chamber, wherein the first inner side and the first mounting member of the first main body portion form a first mounting cavity, wherein the first connecting opening of the first gas passage is disposed on the first inner side of the first main body portion and is located between the first mounting member and the first sidewall, wherein the second connecting opening of the first gas passage is disposed on the first inner side of the first main body portion and is surrounded by the first mounting member, wherein the first operating chamber is connected to the external environment, and the second connecting opening of the first gas passage is connected to the first mounting cavity.

17. The waterproof device according to claim 16, characterized in that, The second body includes a second main body portion, a second mounting member, and a second sidewall. The second main body portion forms a second inner side, a second outer side, and a second gas passage. The second mounting member and the second sidewall extend from the second outer side and the second inner side of the second main body portion, respectively. The second inner side and the second sidewall of the second main body portion enclose a second operating chamber. The second outer side of the second main body portion and the second mounting member form a second mounting cavity. The first conductive opening of the second gas passage is located on the second inner side of the second main body portion, and the second conductive opening of the second gas passage is located on the second outer side of the second main body portion. The second operating chamber is connected to the external environment, and the second conductive opening of the second gas passage is connected to the second mounting cavity.

18. The waterproof device according to claim 16, characterized in that, The first control assembly includes at least one first control element and a first float, wherein the first control element is disposed between the first inner side of the first main body and the first float, and the first control assembly is located in the first operating room.

19. The waterproof device according to claim 17, characterized in that, The second control assembly includes at least one second control element and a second float, wherein the second control element is disposed between the second inner side of the second main body and the second float, and the second control assembly is located in the second operating room.

20. The waterproof device according to claim 18, characterized in that, The waterproofing device further includes at least one first pivot, and the first control element of the first control assembly includes a first support, a first fixing portion extending from the first support, and a first pivot portion, wherein the first pivot is positioned in a suitable location in the first operating chamber, and the first pivot portion is adapted to be pivotally disposed on the first pivot, wherein the first fixing portion extends outward from the lower end of the first support, and the first pivot portion extends outward from the upper end of the first support.

Images