CN220834873U

CN220834873U - Dehumidifier for oxygenerator

Info

Publication number: CN220834873U
Application number: CN202322451250.4U
Authority: CN
Inventors: 王建忠; 陈杨
Original assignee: Shenzhen Wan District Communication Technology Co ltd
Current assignee: Shenzhen Wan District Communication Technology Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-26
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses an oxygen generator dehumidification device, which is arranged on an oxygen generator, and comprises a heat exchange mechanism and a gas-liquid separation mechanism, wherein the heat exchange mechanism comprises a semiconductor refrigeration sheet and a heat exchange plate, the heat exchange plate is adhered to the refrigeration surface of the semiconductor refrigeration sheet, a heat exchange pipeline is arranged in the heat exchange plate, the heat exchange pipeline is provided with an inlet end and an outlet end, and the inlet end is communicated with a compressor and is used for introducing compressed air in the compressor into the heat exchange pipeline for condensation; the gas-liquid separation mechanism is communicated with the outlet end and is used for removing liquid drops condensed from the compressed gas. The dehumidifying device of the oxygen generator provided by the utility model can realize cooling and dehumidifying of compressed gas, is beneficial to nitrogen-oxygen separation, and further can improve the oxygen yield and prolong the service life of the whole machine.

Description

Dehumidifier for oxygenerator

Technical Field

The utility model relates to the technical field of oxygenerators, in particular to an oxygenerator dehumidifying device.

Background

The oxygenerator can pressurize the air to about 0.1 megapascal in the running process, the air is compressed once, and the total amount of water vapor is unchanged; meanwhile, when the mechanical friction of the compressor and the air are compressed, high temperature is generated and the compressed air is heated, so that the water holding capacity of the compressed air is improved, the self humidity is reduced, and the moisture exists in the compressed air in the form of water vapor. When hot compressed air enters the molecular sieve, the temperature of the compressed air is reduced due to adsorption and temperature reduction, the water holding capacity is reduced, saturated vapor pressure is reduced, water is quickly separated out, the molecular sieve is easy to absorb water, and high-temperature wet compressed air enters the molecular sieve, so that the molecular sieve is wetted, the nitrogen and oxygen separation is not facilitated, and the oxygen yield and the service life of the whole machine are further influenced.

Disclosure of utility model

The utility model mainly aims to provide an oxygen generator dehumidifying device, and aims to solve the problems that in the existing oxygen generator, compressed gas humidified at high temperature enters a molecular sieve to cause the molecular sieve to be wetted, so that nitrogen and oxygen separation is not facilitated, and further the oxygen yield and the service life of the whole machine are affected.

In order to achieve the above purpose, the utility model provides an oxygen generator dehumidification device which is arranged on an oxygen generator, wherein the oxygen generator dehumidification device comprises a heat exchange mechanism and a gas-liquid separation mechanism, the heat exchange mechanism comprises a semiconductor refrigeration sheet and a heat exchange plate, the heat exchange plate is attached to a refrigeration surface of the semiconductor refrigeration sheet, a heat exchange pipeline is arranged in the heat exchange plate, the heat exchange pipeline is provided with an inlet end and an outlet end, and the inlet end is communicated with a compressor and is used for introducing compressed air in the compressor into the heat exchange pipeline for condensation; the gas-liquid separation mechanism is communicated with the outlet end and is used for removing liquid drops condensed from the compressed gas.

Optionally, the heat exchange plate is adhered to the refrigeration surface of the semiconductor refrigeration sheet through the heat-conducting silicone grease layer.

Optionally, a radiator is disposed on the heat dissipation surface of the semiconductor cooling fin, and the radiator is used for dissipating heat from the heat dissipation surface of the semiconductor cooling fin.

Optionally, the heat exchange mechanism further comprises a heat insulation shell, one end of the heat insulation shell is provided with an opening, the semiconductor refrigeration piece and the heat exchange plate are both located in the heat insulation shell, the heat radiating surface of the semiconductor refrigeration piece faces towards one end of the heat insulation shell, and the inlet end and the outlet end are both penetrated out of the heat insulation shell.

Optionally, a temperature sensor is arranged on the heat exchange plate, and the temperature sensor is used for monitoring the temperature of the heat exchange plate.

Optionally, the gas-liquid separation mechanism comprises a water collecting tank and a water baffle, the water collecting tank is positioned below the heat exchange plate, the upper part and the lower part of the water collecting tank are respectively provided with an air inlet and an air outlet, and the air inlet is communicated with the inlet end through an air inlet pipeline and is used for introducing condensed compressed gas into the water collecting tank;

the water baffle is positioned in the water collecting tank and is obliquely arranged right below the air inlet pipeline, and the water baffle is used for condensing condensed water in the condensed compressed gas.

Optionally, an air outlet pipeline is arranged in the water collection tank, one end of the air outlet pipeline is positioned in the water collection tank and above the water baffle, and the other end of the air outlet pipeline is communicated with the air outlet.

Optionally, a water outlet is arranged at the bottom of the water collecting tank, and the water outlet is used for discharging water in the water collecting tank.

Optionally, the water outlet is communicated with a water drainage pipeline, and a water drainage valve is arranged on the water drainage pipeline.

Optionally, a water level sensor is arranged in the water collection tank and is used for monitoring the water level in the water collection tank.

According to the technical scheme, high-temperature moist compressed gas generated by the compressor enters the heat exchange pipeline from the inlet end, heat exchange is carried out between the compressed gas and the refrigerating surface of the semiconductor refrigerating piece through the heat exchange plate, when the compressed gas flows through the heat exchange pipeline, heat is transferred to the refrigerating surface of the semiconductor refrigerating piece through the heat exchange plate, the temperature of the compressed gas is reduced, moisture is condensed out to form liquid drops, the compressed gas mixed with the liquid drops enters the gas-liquid separation mechanism from the outlet end, the liquid drops mixed in the compressed gas are removed, the humidity of the compressed gas is reduced, the compressed gas is cooled and dehumidified, and then the compressed gas is introduced into the molecular sieve, so that the molecular sieve is effectively prevented from being wetted and damaged, the separation of nitrogen and oxygen is facilitated, the oxygen yield is improved, and the service life of the whole machine is prolonged; moreover, the contact area between the heat exchange plate and the refrigerating surface of the semiconductor refrigerating sheet is large, the heat exchange effect of compressed gas flowing through the heat exchange pipeline is good, and the dehumidification effect can be improved; the semiconductor refrigerating sheet has good refrigerating effect, is convenient to control, and is beneficial to realizing the miniaturization of the dehumidifying device.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an embodiment of a dehumidifier apparatus for an oxygen generator according to the present utility model;

FIG. 2 is a schematic view of a heat exchange mechanism according to an embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of an embodiment of a gas-liquid separation mechanism according to the present utility model.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Dehumidifying device	2	Gas-liquid separation mechanism
1	Heat exchange mechanism	21	Water collecting tank
				11	Semiconductor refrigerating sheet	22	Water baffle
12	Heat exchange plate	23	Air inlet pipeline
				121	Inlet end	24	Air outlet pipeline
122	Outlet end	25	Drainage pipeline
				13	Heat conductive silicone grease layer	251	Drain valve
14	Radiator	26	Water level sensor
				15	Heat insulation shell	3	Controller for controlling a power supply
16	Temperature sensor	4	Temperature and humidity sensor

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of the above, the utility model provides the dehumidifying device of the oxygenerator, which can realize cooling and dehumidifying of compressed gas, is beneficial to nitrogen-oxygen separation, and further can improve the oxygen yield and prolong the service life of the whole machine. Fig. 1 to 3 are embodiments of an oxygen generator dehumidifying apparatus according to the present utility model.

In the embodiment of the present utility model, referring to fig. 1 to 2, the oxygen generator dehumidification device 1000 is installed on an oxygen generator, the oxygen generator dehumidification device 1000 includes a heat exchange mechanism 1 and a gas-liquid separation mechanism 2, the heat exchange mechanism 1 includes a semiconductor refrigeration sheet 11 and a heat exchange plate 12, the heat exchange plate 12 is attached to a refrigeration surface of the semiconductor refrigeration sheet 11, a heat exchange pipeline is provided in the heat exchange plate 12, the heat exchange pipeline has an inlet end 121 and an outlet end 122, the inlet end 121 is communicated with a compressor, and compressed air in the compressor is introduced into the heat exchange pipeline to be condensed; the gas-liquid separation mechanism 2 is in communication with the outlet end 122 for removing condensed droplets from the compressed gas.

It can be understood that the heat exchange plate 12 is a metal block with the heat exchange pipes built therein to exchange heat with the semiconductor refrigeration sheet 11; the heat exchange pipeline can be a spiral metal bent pipe, so that the heat exchange time can be prolonged, and the heat exchange effect can be improved.

In the technical scheme of the utility model, high-temperature moist compressed gas generated by a compressor enters the heat exchange pipeline from the inlet end 121, heat exchange is carried out between the compressed gas and the refrigerating surface of the semiconductor refrigerating plate 11 through the heat exchange plate 12, when the compressed gas flows through the heat exchange pipeline, heat is transferred to the refrigerating surface of the semiconductor refrigerating plate 11 through the heat exchange plate 12, the temperature of the compressed gas is reduced, water is condensed out, liquid drops are formed, the compressed gas mixed with the liquid drops enters the gas-liquid separation mechanism 2 from the outlet end 122, the liquid drops mixed in the compressed gas are removed, the humidity of the compressed gas is reduced, the temperature reduction and dehumidification of the compressed gas are realized, and then the compressed gas is introduced into the molecular sieve, so that the molecular sieve is effectively prevented from being wetted and damaged, the separation of nitrogen and oxygen is facilitated, and the oxygen yield is improved and the service life of the whole machine is prolonged; moreover, the contact area between the heat exchange plate 12 and the refrigerating surface of the semiconductor refrigerating plate 11 is large, so that the heat exchange effect of compressed gas flowing through the heat exchange pipeline is good, and the dehumidification effect can be improved; the semiconductor refrigerating sheet 11 has a good refrigerating effect, is convenient to control, and is beneficial to realizing the miniaturization of the dehumidifying device 1000.

In some embodiments of the present utility model, the heat exchange plate 12 is adhered to the cooling surface of the semiconductor cooling fin 11 through the heat-conducting silicone grease layer 13. The heat exchange plate 12 is tightly connected with the semiconductor refrigeration piece 11 through the heat conduction silicone grease layer 13, the heat conduction silicone grease layer 13 has better heat conductivity, and can fill gaps between the heat exchange plate 12 and the semiconductor refrigeration piece 11, so that the heat exchange effect of the heat exchange plate 12 and the semiconductor refrigeration piece 11 can be improved.

In some embodiments of the present utility model, a radiator 14 is disposed on the heat dissipation surface of the semiconductor cooling fin 11, and the radiator 14 is configured to dissipate heat from the heat dissipation surface of the semiconductor cooling fin 11. The heat absorbed by the heat exchange of the semiconductor cooling fin 11 is radiated by the radiator 14, so that the cooling effect of the semiconductor cooling fin 11 can be improved. It will be appreciated that the heat sink 14 includes a heat sink, or a heat sink fan, or both.

In some embodiments of the present utility model, the heat exchange mechanism 1 further includes an insulating housing 15, one end of the insulating housing 15 is disposed in an open manner, the semiconductor refrigeration sheet 11 and the heat exchange plate 12 are both located in the insulating housing 15, the heat dissipation surface of the semiconductor refrigeration sheet 11 is disposed towards one end of the insulating housing 15, and the inlet end 121 and the outlet end 122 both penetrate out of the insulating housing 15. The heat insulation shell 15 is used for installing the semiconductor refrigeration piece 11 and the heat exchange plate 12, and can play a role in heat insulation, so that the air heat is prevented from affecting the refrigeration effect of the semiconductor refrigeration piece 11, and the energy consumption is reduced and the heat exchange effect is guaranteed. Further, the side wall of the semiconductor refrigeration piece 11 is in sealing connection with the heat insulation shell 15, a sealing cavity is formed between the semiconductor refrigeration piece 11 and the inside of the heat insulation shell 15, and the heat exchange plate 12 is located in the sealing cavity, so that the heat insulation effect is guaranteed. The inlet end 121 and the outlet end 122 both penetrate out of the heat insulation shell 15, so as to be convenient for connection with the compressor and the gas-liquid separation mechanism 2. The heat insulation shell 15 comprises a heat insulation shell 15 made of rubber materials or a heat insulation shell 15 made of sponge, preferably, the heat insulation shell 15 is made of sponge, and the sponge can absorb moisture condensed by air while insulating heat, so that the electronic component is effectively prevented from being damaged by the moisture in the air. When the radiator 14 is provided on the heat radiating surface of the semiconductor refrigeration sheet 11, the radiator 14 is located at an opening of one end of the heat insulating housing 15.

In some embodiments of the present utility model, referring to fig. 1, a temperature sensor 16 is disposed on the heat exchange plate 12, and the temperature sensor 16 is used to monitor the temperature of the heat exchange plate 12. The temperature sensor 16 is used for monitoring the temperature of the heat exchange plate 12, so that the refrigeration of the semiconductor refrigeration piece 11 is controlled, the energy consumption is reduced, and the energy-saving effect is achieved; for example, when the temperature of the heat exchange plate 12 reaches a preset value, the semiconductor cooling fin 11 is controlled to stop cooling.

In some embodiments of the present utility model, referring to fig. 1 and 3, the gas-liquid separation mechanism 2 includes a water collecting tank 21 and a water baffle 22, the water collecting tank 21 is located below the heat exchange plate 12, an air inlet and an air outlet are respectively provided at an upper portion and a lower portion of the water collecting tank 21, and the air inlet is communicated with the inlet end 121 through an air inlet pipe 23, so as to introduce condensed compressed gas into the water collecting tank 21;

the water baffle 22 is located in the water collection tank 21 and is obliquely arranged right below the air inlet pipeline 23, and the water baffle 22 is used for condensing condensed water in the condensed compressed gas.

One end of the air inlet pipeline 23 is communicated with the inlet end 121, the other end of the air inlet pipeline extends downwards into the water collection tank 21 through the air inlet, and the side wall of the air inlet pipeline is tightly connected with the air inlet; one side of the water baffle 22 is connected with the inner side wall of the water collecting tank 21, the other side of the water baffle 22 extends obliquely downwards, a gap is reserved between the other side of the water baffle 22 and the inner side wall of the water collecting tank 21, and the other end of the water inlet pipeline is opposite to the water baffle 22;

The compressed gas subjected to heat exchange condensation is mixed with liquid drops, the compressed gas mixed with liquid drops is introduced into the water collecting tank 21 from the outlet end 122 through the water inlet pipeline and is collided with the water baffle 22, the liquid drops are condensed on the water baffle 22 and drop to the bottom of the water collecting tank 21 along the water baffle 22 due to stronger tension of the liquid drops, the compressed gas after removing the liquid drops is discharged from the water collecting tank 21 from the air outlet, and then the gas-liquid separation of the compressed gas mixed with the liquid drops is realized, so that the dehumidified compressed gas is obtained; the water baffle 22 can improve the gas-liquid separation effect, and further can reduce the humidity of the compressed gas.

In some embodiments of the present utility model, an air outlet pipe 24 is disposed in the water collecting tank 21, one end of the air outlet pipe 24 is located in the water collecting tank 21 and above the water baffle 22, and the other end of the air outlet pipe 24 is communicated with the air outlet. One end of the air outlet pipeline 24 is higher than the water baffle 22, so that liquid drops can be effectively prevented from splashing into the air outlet pipeline 24, and the gas-liquid separation effect is guaranteed; in addition, the water collection capacity of the water collection tank 21 can be ensured, and water from the air outlet pipe 24 can be prevented from flowing out.

In some embodiments of the present utility model, a drain port is provided at the bottom of the water collecting tank 21, and is used to drain the water in the water collecting tank 21. The water in the water collecting tank 21 is discharged through the water outlet in time, so that the gas-liquid separation of the compressed gas mixed with liquid drops is prevented from being influenced by excessive water in the water collecting tank 21.

In some embodiments of the present utility model, the drain port is communicated with a drain pipe 25, and a drain valve 251 is disposed on the drain pipe 25. The drain opening can be closed and opened by the drain valve 251, facilitating water collection and drainage. It is understood that the drain valve 251 may be a manual valve, and manually drain water according to an interval time; the drain valve 251 may also be an electromagnetic valve, which is opened at intervals according to preset time to drain water, so as to realize timing automatic drainage and facilitate control; the drain valve 251 may also be a spring check valve, and the water level in the water collecting tank 21 reaches a preset height or reaches a preset time, and the spring check valve is pushed open by using the high pressure of the compressor of the oxygenerator to realize drainage. Preferably, the drain valve 251 is a solenoid valve, which is convenient to control.

In some embodiments of the present utility model, a water level sensor 26 is provided in the water collection tank 21 to monitor the water level in the water collection tank 21. The water level in the water collecting tank 21 is monitored by the water level sensor 26, the water level in the water collecting tank 21 is controlled, water is timely discharged, and the water in the water collecting tank 21 is prevented from influencing the gas-liquid separation effect. The position of the water level sensor 26 is determined according to the requirement while avoiding the water in the water collecting tank 21 from affecting the gas-liquid separation.

It can be understood that the controller 3 may also be provided, and the semiconductor refrigeration piece 11 and the temperature sensor 16 are electrically connected with the controller 3, so that the power of the semiconductor refrigeration piece 11 can be controlled, an energy-saving effect is achieved, and the dehumidifying device 1000 can be suitable for a small-sized oxygenerator which depends on battery endurance; the water level sensor 26 and the electromagnetic valve are electrically connected with the controller 3, so that the water level in the water collecting tank 21 can be controlled, and the gas-liquid separation effect and efficiency are ensured.

In some embodiments of the present utility model, the temperature and humidity sensor 4 is further included, the temperature and humidity sensor 4 is disposed outside the heat insulation housing 15 and the water collection tank 21, so as to monitor the external temperature and humidity, determine whether to cool and dehumidify according to the temperature and humidity of the actual environment, so that the energy consumption is further reduced, and the temperature and humidity sensor 4 is connected with the controller 3, so that the control is facilitated.

In addition, the dehumidifying device 1000 of the oxygenerator provided by the utility model has a simple structure, basically does not increase wind resistance, further does not cause energy consumption to rise, and is beneficial to energy conservation.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An oxygenerator dehydrating unit installs on oxygenerator, its characterized in that includes:

The heat exchange mechanism comprises a semiconductor refrigeration sheet and a heat exchange plate, wherein the heat exchange plate is attached to the refrigeration surface of the semiconductor refrigeration sheet, a heat exchange pipeline is arranged in the heat exchange plate, the heat exchange pipeline is provided with an inlet end and an outlet end, and the inlet end is communicated with a compressor and used for introducing compressed air in the compressor into the heat exchange pipeline for condensation; and

And the gas-liquid separation mechanism is communicated with the outlet end and is used for removing liquid drops condensed from the compressed gas.

2. The oxygen generator dehumidification device of claim 1, wherein the heat exchange plate is adhered to the cooling surface of the semiconductor cooling sheet by a thermally conductive silicone grease layer.

3. The apparatus of claim 1, wherein a radiator is disposed on the heat dissipating surface of the semiconductor cooling fin, and the radiator is configured to dissipate heat from the heat dissipating surface of the semiconductor cooling fin.

4. The oxygenerator dehumidification device of claim 1, wherein the heat exchange mechanism further comprises a heat insulation shell, one end of the heat insulation shell is arranged in an open mode, the semiconductor refrigeration piece and the heat exchange plate are both positioned in the heat insulation shell, a heat radiating surface of the semiconductor refrigeration piece is arranged towards one end of the heat insulation shell, and the inlet end and the outlet end penetrate out of the heat insulation shell.

5. The oxygen generator dehumidification device of claim 1, wherein a temperature sensor is provided on the heat exchange plate, the temperature sensor being configured to monitor a temperature of the heat exchange plate.

6. The dehumidifier of claim 1, wherein the gas-liquid separation mechanism comprises a water collection tank and a water baffle, the water collection tank is positioned below the heat exchange plate, the upper part and the lower part of the water collection tank are respectively provided with an air inlet and an air outlet, and the air inlet is communicated with the inlet end through an air inlet pipeline and is used for introducing condensed compressed gas into the water collection tank;

7. The dehumidifying device for oxygenerator as claimed in claim 6, wherein an air outlet pipeline is arranged in the water collecting tank, one end of the air outlet pipeline is positioned in the water collecting tank and above the water baffle, and the other end of the air outlet pipeline is communicated with the air outlet.

8. The dehumidifying device for an oxygen generator as claimed in claim 6, wherein a water discharge port is provided at the bottom of the water collecting tank, and the water discharge port is used for discharging water in the water collecting tank.

9. The dehumidifying device for oxygenerator as claimed in claim 8 wherein the water outlet is connected with a water discharge pipeline, and a water discharge valve is arranged on the water discharge pipeline.

10. The dehumidifying device for an oxygen generator as claimed in claim 6, wherein a water level sensor is provided in the water collecting tank for monitoring the water level in the water collecting tank.