An active humidity controller

Abstract

The present invention relates to an active humidity controller, comprising a humidity controller host, a chassis, a cover plate, a dehumidification system and a humidification system. The dehumidification system condenses moisture in the air in an oscillator cavity into water droplets through heat exchange, and then circulates the treated dry air back into the oscillator cavity. At the same time, a reversing valve is used to realize the switching of the dehumidification system, thereby realizing high-precision control of the humidity in the oscillator cavity. In the humidity control process, when it is monitored that the humidity in the oscillator cavity reaches a set value, the humidification system stops working; when it is monitored that the humidity in the cavity exceeds the set value, it switches to the dehumidification system, and the humidification system stops working; when it is monitored that the humidity in the cavity is lower than the set value, it switches to another path, and the humidification system starts working, which greatly improves the accuracy of the humidity in the cavity and provides a more accurate humidity environment for biological experiments.

Description

Technical Field

[0001] The invention belongs to the technical field of laboratory equipment, in particular to an active humidifier for a constant temperature shaking table. Background Art

[0002] Constant temperature shaker is widely used in bacterial culture, fermentation, hybridization, biochemical reaction and fermentation, cell tissue research, etc., which have high requirements on temperature, oscillation frequency and amplitude. It has extensive and important applications in research and application fields such as medicine, biology, molecular biology, pharmaceuticals, food, and environmental protection.

[0003] Existing active humidifiers can easily spray excessive water vapor into the oscillation chamber of the constant temperature shaker during the humidification process, so the humidity in the oscillation chamber will exceed the standard, resulting in inaccurate biological test results and inability to perform precise humidity adjustment. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an active humidity controller, including a humidity controller host, a chassis, and a cover plate. The humidity controller host is arranged in the chassis, the water inlet interface and the drainage interface are fixed on the back of the chassis, the active humidity controller air inlet pipe and the active humidity controller air outlet pipe are connected to the side of the chassis, and the active humidity controller air inlet pipe and the active humidity controller air outlet pipe are connected to the inside of the oscillation chamber; the humidity controller host includes a bottom plate, a reversing valve 1, a reversing valve 2, a dehumidification system, a water inlet pump, a drainage pump, a sterilization system, a diaphragm pump, and a humidification system. The reversing valve 1 is connected to the air inlet of the active humidity controller, the air inlet of the reversing valve 2, and the air inlet of the dehumidification system through pipelines, and the reversing valve 2 is divided into two parts by pipelines. They are respectively connected with the air outlet of reversing valve 1, the air outlet of the dehumidification system and the air inlet of the sterilization system, the air outlet of the sterilization system is connected with the air inlet of the diaphragm pump, the air outlet of the diaphragm pump is connected with the air inlet of the humidification system through a pipeline, the air outlet of the humidification system is connected with the air outlet of the active humidity controller through a pipeline, the drain outlet of the dehumidification system is connected with the water inlet of the drainage pump through a pipeline, the water outlet of the drainage pump is connected with an external container, the water inlet of the water inlet pump is connected with an external pure water storage tank through a pipeline, and the water outlet of the water inlet pump is connected with the water inlet of the humidification system through a pipeline; the water inlet interface is connected with the water inlet of the water inlet pump, and the drain interface is connected with the water outlet of the drainage pump.

[0005] Furthermore, the sterilization system includes a sealed tank, the sealed tank has a built-in ultraviolet light source, and the tank body is provided with an air inlet and an air outlet.

[0006] Furthermore, the dehumidification system includes an air duct component, a semiconductor refrigerator, a heat sink, an axial flow fan, and a thermal insulation layer. The air duct component has an internal air duct, and the outside of the air duct component is tightly covered with a thermal insulation layer. The cooling surface of the semiconductor refrigerator is tightly attached to one side of the air duct component, and the other side of the semiconductor refrigerator is tightly attached to the heat sink. The axial flow fan is fixed to the other side of the heat sink by screws. When the dehumidification system is working, the diaphragm pump and the sterilization system are both in working state. The diaphragm pump draws out the humid air in the oscillation chamber, and the humid air passes through the active humidity controller inlet pipe, and then passes through the reversing valve 1, and passes through the air intake pipe of the dehumidification system. The humid air enters the internal air duct of the air duct component through the outlet, the semiconductor refrigerator reduces the temperature of the air duct component, the axial flow fan takes away the heat from the heat sink, the temperature of the air duct component is low, and the humid air condenses into water in the internal air duct of the air duct component and gathers in the water storage tank on one side of the air duct component. The dry air passes through the outlet of the dehumidification system, passes through the reversing valve 2, and then passes through the sterilization system and the diaphragm pump, and finally flows through the outlet pipe and circulates back to the inside of the oscillation chamber. At regular intervals, the condensed water in the water storage tank will be pumped out by the drainage pump, flow through the drainage interface, and finally discharged into the external container of the active humidity controller.

[0007] Furthermore, the humidification system includes a water inlet pipe, a high-temperature vaporization component, an insulation layer, a Y-type three-way joint, an air outlet pipe, and an air inlet pipe. The Y-type three-way joint is respectively connected to the water inlet pipe, the air outlet pipe, and the air inlet pipe. A high-temperature vaporization component is arranged between the water inlet pipe and the Y-type three-way joint. The water inlet pipe is connected to the water outlet of the water inlet pump, the air inlet pipe is connected to the air outlet of the diaphragm pump, the air outlet pipe is connected to the air outlet pipe of the active humidity controller through a pipeline, and the outside of the Y-type three-way joint and the high-temperature vaporization component are covered by the insulation layer. When the humidification system is working, the diaphragm pump and the sterilization system are both in working state, the water inlet pump is started, and the liquid in the pure water storage barrel outside the active humidity controller is discharged through the inlet pump. The water enters the water inlet pipe of the humidification system after passing through the water interface, the water inlet of the water inlet pump and the water outlet of the water inlet pump. When the liquid passes through the inside of the high-temperature vaporization component, the distilled water is instantly vaporized, and the water vapor is ejected from the high-temperature vaporization component and flows through the Y-type three-way joint to the outlet pipe of the humidification system. At the same time, the diaphragm pump works to extract the air in the oscillation chamber, passes through the active humidity controller inlet pipe, and then passes through the reversing valve 1 and the reversing valve 2, and then passes through the sterilization system and the diaphragm pump, and enters the inlet pipe of the humidification system. The gas in the inlet pipe of the humidification system and the high-temperature water vapor ejected from the high-temperature vaporization component are combined into one, and finally flow through the outlet pipe of the active humidity controller and circulate back to the oscillation chamber of the constant temperature shaker.

[0008] Furthermore, the active humidity controller also includes a heating belt and a telescopic bellows. The heating belt is evenly wrapped around the outer surface of the active humidity controller air inlet pipe and the active humidity controller air outlet pipe, and the telescopic bellows is sleeved on the outside of the active humidity controller air inlet pipe, the active humidity controller air outlet pipe and the heating belt.

[0009] Compared with the prior art, the present invention provides an active humidity controller, which has the following effects: according to the humidity information monitored in the oscillator cavity, it can automatically control the switching of the dehumidification system and the humidification system, and can adjust the humidity value in the oscillator cavity in real time to achieve high-precision humidity control, providing a more accurate humidity environment for biological experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is an overall exploded view of the active humidity controller of the present invention;

[0012] Figure 2 A schematic diagram of a humidity controller host of the active humidity controller of the present invention;

[0013] Figure 3 A cross-sectional view of a dehumidification system of an active humidity controller of the present invention;

[0014] Figure 4 Another partial view of the dehumidification system of the active humidity controller of the present invention;

[0015] Figure 5 A cross-sectional view of a humidification system of an active humidity controller of the present invention;

[0016] Figure 6 It is a schematic diagram of the connection of the pipelines of the active humidity controller of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figure 1As shown, the active humidity controller of the present invention comprises a humidity controller host 1, a chassis 2, a cover plate 3, an active humidity controller air inlet pipe 5, an active humidity controller air outlet pipe 4, a heating belt 6, a telescopic bellows 7, a water inlet interface 9, and a drainage interface 8. The humidity controller host 1 is fixed in the chassis 2 by screws, the water inlet interface 9 and the drainage interface 8 are fixed on the back of the chassis 2, the active humidity controller air inlet pipe 5 and the active humidity controller air outlet pipe 4 are connected to the pneumatic joint on the side of the chassis 2, and the heating belt 6 is evenly wound around the outer surface of the active humidity controller air inlet pipe 5 and the active humidity controller air outlet pipe 4. The function of the heating belt 6 is to heat and insulate the active humidity controller air inlet pipe 5 and the active humidity controller air outlet pipe 4 to prevent the humid air in the air pipe from condensing into water. The telescopic bellows 7 is sleeved on the outside of the active humidity controller air inlet pipe 5, the active humidity controller air outlet pipe 4 and the heating belt 6, which can not only isolate and protect the heating belt 6, but also play a decorative role. The cover plate 3 is fixed to the top of the chassis 2 by screws, and the other ends of the active humidity controller air inlet pipe 5 and the active humidity controller air outlet pipe 4 are connected to the inside of the oscillation chamber of the constant temperature shaker.

[0020] like Figure 1 , 2 As shown in , 6, the humidity controller host 1 includes a base plate 11, a reversing valve 1 12, a reversing valve 2 13, a dehumidification system 14, a water inlet pump 15, a drainage pump 16, a sterilization system 17, a diaphragm pump 18, and a humidification system 19. The reversing valve 12, the reversing valve 2 13, the dehumidification system 14, the water inlet pump 15, the drainage pump 16, the sterilization system 17, the diaphragm pump 18, and the humidification system 19 are all fixed above the base plate 11. The reversing valve 12 is connected to the air inlet 5 of the active humidity controller, the air inlet of the reversing valve 13 and the air inlet of the dehumidification system 14 through pipelines, the reversing valve 13 is connected to the air outlet of the reversing valve 12, the air outlet of the dehumidification system 14 and the air inlet of the sterilization system 17 through pipelines, the air outlet of the sterilization system 17 is connected to the air inlet of the diaphragm pump 18, the air outlet of the diaphragm pump 18 is connected to the air inlet of the humidification system through pipelines, and the air outlet of the humidification system It is connected to the air outlet 4 of the active humidity controller through a pipe, the drain outlet of the dehumidification system is connected to the water inlet of the drainage water pump 16 through a pipe, the water outlet of the drainage water pump 16 is connected to the external container, the water inlet of the water inlet pump 15 is connected to the external pure water storage tank through a pipe, and the water outlet of the water inlet pump 15 is connected to the water inlet of the humidification system 19 through a pipe; the water inlet interface 9 is connected to the water inlet of the water inlet pump 15, and the drainage interface 8 is connected to the water outlet of the drainage water pump 16.

[0021] The sterilization system 17 is a sealed tank body with a built-in ultraviolet light source. The tank body is provided with an air inlet and an air outlet. The gas passing through the sterilization system 17 is sterilized by ultraviolet light in the sealed tank body to ensure that the gas circulated from the active humidity controller to the inner cavity of the oscillator is safe and sterile.

[0022] like Figure 3 ,4 As shown, the dehumidification system 14 includes an air duct component 141, a semiconductor refrigerator 142, a heat sink 143, an axial flow fan 144, and a thermal insulation layer 145. The air duct component 141 is made of aluminum and has an internal air duct. The outside of the air duct component 141 is tightly covered with the thermal insulation layer 145. The cooling surface of the semiconductor refrigerator 142 is tightly attached to one side of the air duct component 141, and the other side of the semiconductor refrigerator 142 is tightly attached to the heat sink 143. The axial flow fan 144 is fixed to the other side of the heat sink 143 by screws.

[0023] When the dehumidification system 14 is working, the diaphragm pump 18 and the sterilization system 17 are both in working state. The diaphragm pump 18 extracts the humid air in the oscillation chamber. The humid air passes through the active humidity controller air inlet pipe 5, and then passes through the reversing valve 12, and enters the internal air duct of the air duct component 141 through the air inlet of the dehumidification system 14. The semiconductor refrigerator 142 reduces the temperature of the air duct component 141, and the axial flow fan 144 takes away the heat of the heat sink 143. The temperature of the air duct component 141 is low, and the humid air condenses into water in the internal air duct of the air duct component 141 and gathers in the water storage tank on one side of the air duct component 141. The dry air passes through the air outlet of the dehumidification system 14, passes through the reversing valve 2 13, and then passes through the sterilization system 17 and the diaphragm pump 18, and finally flows through the air outlet pipe 4 and circulates back to the inside of the oscillation chamber. At regular intervals, the condensed water in the water tank is pumped out by the drainage pump 16, flows through the drainage interface 8, and is finally discharged into the external container of the active humidity controller.

[0024] like Figure 5 As shown, the humidification system 19 includes a water inlet pipe 191, a high-temperature vaporization component 192, a heat insulation layer 193, a Y-type three-way joint 194, an air outlet pipe 195, and an air inlet pipe 196. The Y-type three-way joint 194 is respectively connected to the water inlet pipe 191, the air outlet pipe 195, and the air inlet pipe 196. A high-temperature vaporization component 192 is arranged between the water inlet pipe 191 and the Y-type three-way joint 194. The water inlet pipe 191 is connected to the water outlet of the water inlet pump 15, the air inlet pipe 196 is connected to the air outlet of the diaphragm pump 18, and the air outlet pipe 195 is connected to the active humidity controller air outlet pipe 4 through a pipeline. The exterior of the Y-type three-way joint 194 and the high-temperature vaporization component 192 are covered by a heat insulation layer.

[0025] When the humidification system 19 is working, the diaphragm pump 18 and the sterilization system 17 are both in working state, the water inlet pump 15 is started, and the liquid in the pure water storage barrel outside the active humidity controller enters the water inlet pipe 191 of the humidification system through the water inlet interface 9, the water inlet of the water inlet pump 15, and the water outlet of the water inlet pump 15. When the liquid passes through the high-temperature vaporization component 192, since the temperature inside the high-temperature vaporization component 192 is as high as 200°C, the distilled water is instantly vaporized, and the water vapor is ejected from the high-temperature vaporization component 192 and flows through the Y-type three-way joint 194 to the outlet pipe 195 of the humidification system 19. At the same time, the diaphragm pump 18 works to draw the air out of the oscillation chamber, passes through the active humidity controller air inlet pipe 5, then passes through reversing valve 12 and reversing valve 2 13, and then passes through the sterilization system 17 and the diaphragm pump 18, and enters the air inlet pipe 196 of the humidification system. The gas in the air inlet pipe 196 of the humidification system and the high-temperature water vapor ejected from the high-temperature vaporization component 192 are combined into one, and finally flow through the active humidity controller air outlet pipe 4, and circulate back to the oscillation chamber of the constant temperature shaker.

[0026] In summary, by organically combining the humidification system and the dehumidification system, the reversing valve is used to switch between the two systems, thereby achieving high-precision control of the humidity in the oscillation chamber. During the humidity control process, when the humidity in the oscillation chamber is detected to reach the set value, the humidification system of the active humidity controller stops working; when the humidity in the chamber is detected to exceed the set value, it switches to the dehumidification system to start working; when the humidity in the chamber is detected to be lower than the set value, it switches to another path and the humidification system starts working. Since the humidity can be adjusted in real time, the accuracy of the humidity in the chamber is greatly improved, providing a more accurate humidity environment for the experiment.

[0027] Each part of this specification is described in a progressive manner, and each part focuses on the differences from other parts. The same or similar parts between the parts can be referenced to each other. The above description of the disclosed embodiments enables professionals in the field to implement or use the present invention.

[0028] Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An active humidity controller, comprising a humidity controller host, a chassis, and a cover plate, wherein the humidity controller host is arranged in the chassis, characterized in that: The water inlet interface and the drainage interface are fixed on the back of the chassis, the active humidity controller air inlet pipe and the active humidity controller air outlet pipe are connected to the side of the chassis, and the active humidity controller air inlet pipe and the active humidity controller air outlet pipe are connected to the inside of the oscillation chamber; the humidity controller host includes a base plate, a reversing valve 1, a reversing valve 2, a dehumidification system, a water inlet pump, a drainage pump, a sterilization system, a diaphragm pump, and a humidification system. The reversing valve 1 is respectively connected to the air inlet of the active humidity controller, the air inlet of the reversing valve 2, and the air inlet of the dehumidification system through pipelines, and the reversing valve 2 is respectively connected to the air outlet of the reversing valve 1, the air outlet of the dehumidification system, and the sterilization system through pipelines. The air inlet of the sterilization system is connected to the air inlet of the diaphragm pump, the air outlet of the diaphragm pump is connected to the air inlet of the humidification system through a pipeline, the air outlet of the humidification system is connected to the air outlet of the active humidity controller through a pipeline, the drain of the dehumidification system is connected to the water inlet of the drainage pump through a pipeline, the water outlet of the drainage pump is connected to the external container, the water inlet of the water inlet pump is connected to the external pure water storage barrel through a pipeline, and the water outlet of the water inlet pump is connected to the water inlet of the humidification system through a pipeline; the water inlet interface is connected to the water inlet of the water inlet pump, and the drain interface is connected to the water outlet of the drainage pump; The dehumidification system includes an air duct component, a semiconductor refrigerator, a heat sink, an axial flow fan, and a thermal insulation layer. The air duct component has an internal air duct, and the outside of the air duct component is tightly covered with a thermal insulation layer. The cooling surface of the semiconductor refrigerator is tightly attached to one side of the air duct component, and the other side of the semiconductor refrigerator is tightly attached to the heat sink. The axial flow fan is fixed to the other side of the heat sink by screws. When the dehumidification system is working, the diaphragm pump and the sterilization system are both in working state. The diaphragm pump draws out the humid air in the oscillation cavity, and the humid air passes through the active humidity controller inlet pipe, and then passes through the reversing valve 1, and enters the air duct through the air inlet of the dehumidification system. In the internal air duct of the component, the semiconductor refrigerator reduces the temperature of the air duct component, and the axial flow fan takes away the heat of the heat sink. The temperature of the air duct component is low, and the humid air condenses into water in the internal air duct of the air duct component and gathers in the water storage tank on one side of the air duct component. The dry air passes through the outlet of the dehumidification system, the second reversing valve, the sterilization system and the diaphragm pump, and finally flows through the outlet pipe of the active humidity controller and circulates back to the inside of the oscillation chamber. At intervals, the condensed water in the water storage tank will be pumped out by the drainage pump, flow through the drainage interface, and finally discharged into the external container of the active humidity controller. The humidification system includes a water inlet pipe, a high-temperature vaporization component, a heat insulation layer, a Y-type three-way joint, an air outlet pipe, and an air inlet pipe. The Y-type three-way joint is respectively connected to the water inlet pipe, the air outlet pipe, and the air inlet pipe. A high-temperature vaporization component is arranged between the water inlet pipe and the Y-type three-way joint. The water inlet pipe is connected to the water outlet of the water inlet pump, the air inlet pipe is connected to the air outlet of the diaphragm pump, the air outlet pipe is connected to the air outlet pipe of the active humidity controller through a pipeline, and the outside of the Y-type three-way joint and the high-temperature vaporization component are covered by a heat insulation layer. When the humidification system is working, the diaphragm pump and the sterilization system are both in working state, the water inlet pump is started, and the liquid in the pure water storage barrel outside the active humidity controller is discharged through the water inlet interface , the water inlet of the water pump, the water outlet of the water pump and then enters the water inlet pipe of the humidification system. When the liquid passes through the inside of the high-temperature vaporization component, the distilled water is instantly vaporized, and the water vapor is ejected from the high-temperature vaporization component and flows through the Y-type three-way joint to the outlet pipe of the humidification system. At the same time, the diaphragm pump works to draw the air in the oscillation chamber, passes through the active humidity controller inlet pipe, and then passes through the reversing valve 1 and the reversing valve 2, and then passes through the sterilization system and the diaphragm pump, and enters the inlet pipe of the humidification system. The gas in the inlet pipe of the humidification system and the high-temperature water vapor ejected from the high-temperature vaporization component are combined into one, and finally flow through the outlet pipe of the active humidity controller and circulate back to the oscillation chamber of the constant temperature shaker.

2. An active humidity controller according to claim 1, characterized in that: The sterilization system comprises a sealed tank, which has a built-in ultraviolet light source and an air inlet and an air outlet.

3. An active humidity controller according to any one of claims 1-2, characterized in that: The active humidity controller also includes a heating belt and a telescopic bellows. The heating belt is evenly wound around the outer surfaces of the active humidity controller air inlet pipe and the active humidity controller air outlet pipe, and the telescopic bellows is sleeved on the outside of the active humidity controller air inlet pipe, the active humidity controller air outlet pipe and the heating belt.

Images