Humidity control system and control method

Abstract

The invention relates to a humidity control system and a humidity control method. The humidity control system is provided with a proportional valve, a humidifying device and a mixing device. The proportional valve is connected with the humidifying device and the mixing device. And the humidifying device is connected with the mixing device. The humidity control method sequentially comprises the following steps of: 1, supplying a gas to a humidifying device and a gas to a mixing device through a proportional valve; 2, the gas entering the humidifying device is humidified and then enters the mixing device; and 3, the gas entering the mixing device is mixed and then supplied to a target space. After the gas enters the proportional valve, part of the gas enters the humidifying device and then enters the mixing device, the other part of the gas directly enters the mixing device, and finally the gas entering the mixing device can be discharged to a target space. Therefore, the present invention accurately controls the amount of humidified gas through the proportional valve.

Description

Technical Field

[0001] The invention relates to a humidity control system and a control method. Background Art

[0002] In the prior art, the humidity control of a space is mainly done by using a humidifier to increase the humidity of the space. However, the existing humidifier only vaporizes water into water vapor at a fixed power and then discharges it into the space, so even if the humidity in the space is too high, it will continue to supply moisture. In other words, the existing humidifier cannot adjust the intensity of humidification in response to changes in the environment. Furthermore, the humidifier in the prior art only vaporizes water at a fixed power and cannot change the speed of humidification. The user can only manually turn it on or off to control the degree of humidification.

[0003] In view of this, proposing a better improvement plan is an urgent problem to be solved in the industry. Summary of the invention

[0004] The main purpose of the present invention is to provide a humidity control system and a humidity control method, which can accurately control the humidity of the supplied gas.

[0005] To achieve the above object, the humidity control system proposed by the present invention has the following features:

[0006] a proportional valve for connecting to a gas source;

[0007] a humidifying device connected to the proportional valve; and

[0008] a mixing device connected to the proportional valve and the humidifying device;

[0009] In which, a gas can enter the proportional valve from the gas source, and then the gas can enter the humidifying device or the mixing device, or part of the gas enters the humidifying device and another part of the gas enters the mixing device, and then the gas entering the humidifying device can enter the mixing device, and finally the gas entering the mixing device can be discharged to a target space.

[0010] To achieve the above-mentioned purpose, the humidity control method proposed by the present invention comprises the following steps in sequence:

[0011] supplying a gas to a humidifying device and supplying a gas to a mixing device through a proportional valve;

[0012] The gas entering the humidifying device is humidified and then enters the mixing device; and

[0013] The gas entering the mixing device is mixed and then supplied to a target space.

[0014] Therefore, the advantage of the present invention is that, through the humidity control system and humidity control method of the present invention, the amount of humidified gas can be accurately controlled through the proportional valve, so the humidity of the discharged gas can be accurately controlled.

[0015] In the humidity control system as described above, the mixing device has:

[0016] An outer tank, which can contain water and keep the contained water at a specific temperature; and an inner tank, which is contained in the outer tank and can contain water; the inner tank has an air inlet, an air inlet pipe, and an air outlet; the air inlet is connected to the proportional valve; one end of the air inlet pipe is connected to the air inlet, and the other end extends to below the water surface contained in the inner tank; the air outlet is connected to the mixing device.

[0017] The humidity control system as mentioned above further comprises a constant temperature water tank connected to the outer tank and used for circulating and supplying water of the specific temperature to the outer tank.

[0018] In the humidity control system as described above, the other end of the air inlet pipe extends to the bottom of the inner tank.

[0019] In the humidity control system as described above, the humidifying device has a water level sensing component, which is arranged in the inner tank and is used to sense the amount of water in the inner tank; the water level sensing component includes:

[0020] a track extending vertically in the inner groove; and

[0021] A floating ball is connected to the track and can move along the track.

[0022] The humidity control system as mentioned above further comprises a hygrometer which is connected to the proportional valve signal and is used to sense the humidity of the target space, whereby the proportional valve can control the amount of gas entering the humidifying device according to the hygrometer.

[0023] In the humidity control method as described above, the humidifying device contains water, and when the partial pressure of water vapor in the gas entering the humidifying device reaches the saturated vapor pressure, the gas enters the mixing device.

[0024] The humidity control method as described above further includes maintaining the water in the humidifying device at a specific temperature.

[0025] The humidity control method as described above further comprises sensing the humidity of the target space with a hygrometer and transmitting the measured humidity to the proportional valve, and the proportional valve controls the amount of gas entering the humidifying device according to the measured humidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the humidity control system of the present invention.

[0027] Figure 2 It is a schematic diagram of a humidifying device of a humidity control system of the present invention.

[0028] Figure 3 It is a schematic diagram of a humidifying device of another embodiment of the humidity control system of the present invention. DETAILED DESCRIPTION

[0029] The following is a detailed description of the technical means used by the present invention to achieve the intended purpose of the invention with reference to the drawings and preferred embodiments of the present invention.

[0030] First, please refer to Figure 1 . The present invention provides a humidity control system, which has a proportional valve 10, a humidifying device 20, and a mixing device 30, and can optionally have a constant temperature water tank 40 and a hygrometer 50. The opening and closing degree of the fluid port valve (not shown in the figure) of the proportional valve 10 can be controlled by controlling the size of the electronic signal input to the proportional valve 10 (for example, controlling the input voltage and / or current) to control the size of the fluid flow, flow rate and / or pressure, and the size of the electronic signal is basically linearly proportional to the size of the fluid flow, flow rate and / or pressure. In one embodiment, the proportional valve 10 can control the size of the fluid flow, flow rate and / or pressure steplessly.

[0031] The proportional valve 10 is connected to a gas source A through a gas inlet (not shown), and the humidifying device 20 is connected to the proportional valve 10 at one end and to the mixing device 30 at the other end. The mixing device 30 is connected to the proportional valve 10 and the humidifying device 20 at the same time, and is connected to the gas outlet (not shown). In one embodiment, the mixing device 30 may include a chamber, so that the gas input through the proportional valve 10 and the gas input through the humidifying device 20 are in contact in the chamber. Since the humidity of the gas input through the humidifying device 20 is higher, the humidity is transferred from the high-humidity gas to the low-humidity gas and then mixed. In other embodiments, the mixing device 30 may further include a fan disposed in the chamber, whereby the gas entering the chamber can be disturbed by the fan and the mixing is accelerated.

[0032] Please refer to Figure 2. In this embodiment, the humidifying device 20 has an outer tank 21 and an inner tank 22, and the inner tank 22 is contained in the outer tank 21. The outer tank 21 can contain water, and the contained water can be kept at a specific temperature. For example, a heating device such as a heating coil and / or a cooling device such as a cooling coil can be provided in the outer tank 21, or the outer tank 21 can be connected to a constant temperature circulation system to keep the water in the outer tank 21 at a specific temperature. In this embodiment, the outer tank 21 is connected to a constant temperature water tank 40, and the water in the outer tank 21 and the water in the constant temperature water tank 40 can circulate, so that the constant temperature water tank 40 supplies higher temperature / low temperature water to the outer tank 21, and the water after cooling / heating flows back to the constant temperature water tank 40 from the outer tank 21. In this way, no matter how the outside temperature changes, even in summer and winter, the water in the outer tank 21 can be kept at the same temperature through circulation, and the water in the inner tank 22 can also be kept at a specific temperature.

[0033] The inner tank 22 can contain water, and the inner tank 22 is filled with water or the space in the humidifying device 20 that does not contain water reaches the saturated vapor pressure at a specific temperature, and the inner tank 22 has an air inlet 221 and an air outlet 222. The air inlet 221 is connected to the proportional valve 10, and the air outlet 222 is connected to the mixing device 30. In this embodiment, the humidifying device 20 also has an air inlet pipe 223. The air inlet pipe 223 is arranged in the inner tank 22, and one end of the air inlet pipe 223 is connected to the air inlet 221, and the other end extends below the water surface contained in the inner tank 22. Thereby, when the gas enters the inner tank 22 from the air inlet 221 through the air inlet pipe 223, it is located below the water surface contained in the inner tank 22, so that the gas forms bubbles and can contact the water in the inner tank 22 during the floating process. Preferably, the air inlet pipe 223 extends to the bottom of the inner tank 22, so that the air bubbles can more fully contact the water in the inner tank 22 during the floating process, so as to facilitate the partial pressure of water vapor in the gas to reach the saturated vapor pressure.

[0034] In one embodiment, if Figure 3 As shown, the humidifying device 20A may also have a water level sensing component 23A. The water level sensing component 23A is disposed in the inner tank 22 and is used to sense the amount of water in the inner tank 22. This ensures that the water level in the inner tank 22 is in an ideal range, allowing the gas entering the inner tank 22 to contact the water, so that the partial pressure of the water vapor in the gas reaches the saturated vapor pressure. In this embodiment, the water level sensing component 23A includes a track 231A and a float 232A. The track 231A extends vertically in the inner tank 22, and the float 232A is connected to the track 231A and can move along the track 231A.

[0035] Please continue to refer to Figure 1 The hygrometer 50 is connected to the proportional valve 10 for sensing the humidity of the target space B. Thus, the proportional valve 10 can control the amount of gas entering the humidifying device 20 according to the hygrometer 50 and can react to the humidity of the target space B in real time.

[0036] The present invention also proposes a humidity control method, which can be performed by the above-mentioned humidity control system, but is not limited thereto. The humidity control method of the present invention comprises the following steps in sequence: (a), supplying a gas to a humidifying device 20 and supplying a gas to a mixing device 30 through a proportional valve 10. (b), the gas entering the humidifying device 20 enters the mixing device 30 after being humidified. (c), the gas entering the mixing device 30 is mixed and supplied to a target space B. In other words, in step (c), the gas entering the mixing device 30 includes humidified gas and non-humidified gas. In the present embodiment, the proportional valve 10 can control the ratio of the gas entering the humidifying device 20 to the gas not entering the humidifying device 20, that is, the humidified gas and the non-humidified gas are controlled by the proportional valve 10.

[0037] In this embodiment, the humidifier 20 contains water. For example, the humidifier 20 may be filled with water, or a space without water may be reserved in the humidifier 20, and the water vapor in the space without water reaches the saturated vapor pressure at a specific temperature. Therefore, when the gas entering the humidifier 20 contacts the water, the partial pressure of the water vapor in the gas reaches the saturated vapor pressure before entering the mixing device 30. In order to keep the water content of the humidified gas stable (i.e., keep it at the same partial pressure), the water in the humidifier 20 is kept at a specific temperature so that the saturated vapor pressure of the water vapor in the gas remains the same. In this way, the humidity of the target space B can be accurately controlled.

[0038] The humidity control method of the present invention is described below in conjunction with the humidity control system of the present invention. First, a gas enters the humidity control system from a gas source A through a gas inlet. Then, according to the result of the humidity of the target space B sensed by the hygrometer, a portion of the gas is distributed by the proportional valve 10 to enter the humidifying device 20, and the other portion of the gas is distributed to the mixing device 30. Subsequently, the gas entering the humidifying device 20 contacts the water in the inner tank 22, so that the partial pressure of water vapor in the gas entering the humidifying device 20 reaches the saturated vapor pressure, and then enters the mixing device 30. The gas entering the mixing device 30 is mixed by the mixing device 30 and then discharged to the target space B.

[0039] However, in extreme cases, if the humidity of the target space B is too high, all the gas entering the humidity control system may be discharged directly to the target space B via the mixing device 30 without passing through the humidifying device 20. If the humidity of the target space B is too low, all the gas entering the humidity control system may be discharged to the target space B via the humidifying device 20.

[0040] In addition, the air source A and the target space B may be the same space. In other words, if the air source A is also the target space B, air may be extracted from the target space B and humidified before being discharged back to the target space B.

[0041] By means of the humidity control system and humidity control method of the present invention, the amount of humidified gas can be accurately controlled by the proportional valve 10, so that the humidity of the discharged gas can be accurately controlled. At the same time, the inner tank 22 and the outer tank 21 are provided through the mixing device 30, and the outer tank 21 is connected to the constant temperature water tank 40, so that the water in the inner tank 22 can be kept at a specific temperature, thereby the partial pressure of water vapor in the discharged gas can also be kept stable, and the humidity of the target space B can be more accurately controlled.

[0042] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A humidity control system, characterized in that have: a proportional valve for connecting to a gas source; a humidifying device connected to the proportional valve; and a mixing device connected to the proportional valve and the humidifying device; In which, a gas can enter the proportional valve from the gas source, and then the gas can enter the humidifying device or the mixing device, or part of the gas enters the humidifying device and another part of the gas enters the mixing device, and then the gas entering the humidifying device can enter the mixing device, and finally the gas entering the mixing device can be discharged to a target space.

2. The humidity control system according to claim 1, characterized in that: The mixing device has: an outer tank capable of containing water and maintaining the contained water at a specific temperature; and An inner tank is contained in the outer tank and can contain water; the inner tank has an air inlet, an air inlet pipe, and an air outlet; the air inlet is connected to the proportional valve; one end of the air inlet pipe is connected to the air inlet, and the other end extends to below the water surface contained in the inner tank; the air outlet is connected to the mixing device.

3. The humidity control system according to claim 2, characterized in that: There is also a constant temperature water tank connected to the outer tank and used for circulating and supplying water of the specific temperature to the outer tank.

4. The humidity control system according to claim 2, characterized in that: The other end of the air inlet pipe extends to the bottom of the inner tank.

5. The humidity control system according to claim 2, characterized in that: The humidifying device has a water level sensing component, which is arranged in the inner tank and used to sense the amount of water in the inner tank; the water level sensing component includes: a track extending vertically in the inner groove; and A floating ball is connected to the track and can move along the track.

6. The humidity control system according to any one of claims 1 to 5, characterized in that: There is also a hygrometer which is connected to the proportional valve signal and is used to sense the humidity of the target space, whereby the proportional valve can control the amount of gas entering the humidifying device according to the hygrometer.

7. A humidity control method, characterized in that: It includes the following steps in order: supplying a gas to a humidifying device and supplying a gas to a mixing device through a proportional valve; The gas entering the humidifying device is humidified and then enters the mixing device; and The gas entering the mixing device is mixed and then supplied to a target space.

8. The humidity control method according to claim 7, characterized in that: The humidifying device contains water. When the partial pressure of water vapor in the gas entering the humidifying device reaches the saturated vapor pressure, the gas enters the mixing device.

9. The humidity control method according to claim 8, characterized in that: The method further includes maintaining the water in the humidifying device at a specific temperature.

10. The humidity control method according to any one of claims 7 to 9, characterized in that: The method further comprises sensing the humidity of the target space with a hygrometer and transmitting the measured humidity to the proportional valve, and the proportional valve controls the amount of gas entering the humidifying device according to the measured humidity.

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