CN106247515A - A kind of auto-control air-humidification method utilizing condensed water to humidify - Google Patents

Abstract

The invention relates to an automatic regulation and humidification method using condensed water humidification, which includes A1, a single-chip microcomputer control circuit detecting the water level signal of a water storage tank through a water level electrode, and performing step A2 when the water level reaches a preset threshold; A2, a single-chip microcomputer control circuit to obtain The number of pulses output by the flow detection device per unit time; A3. According to the number of pulses, the single-chip control circuit outputs a PWM signal with a corresponding duty cycle to the photoelectric coupling circuit, which is transmitted to the bias circuit through the photoelectric coupling circuit, and generates the corresponding proportional relationship. Bias current; A4. The high-frequency oscillating atomization circuit controls the oscillation amplitude of the oscillating plate based on the bias current, thereby regulating the atomization humidification rate. The invention realizes the efficient recovery of the condensed water of the air conditioner, the humidification rate can be automatically regulated, and the dynamic balance of the indoor ambient air humidity can be maintained.

Description

An automatic control humidification method using condensed water humidification

technical field

The invention belongs to the field of humidification control systems, and in particular relates to an automatic regulation and humidification method using condensed water of an air conditioner for humidification.

Background technique

As we all know, household split air conditioners and cabinet air conditioners will produce condensed water in the process of cooling indoors. Since household air conditioners do not have a complete water circulation system, the condensed water cannot be recycled. At present, the main treatment method is to use the refrigeration process The generated condensed water is directly discharged to the outside, causing a great waste of resources. There are mainly two types of devices on the market that recycle condensed water as water resources. One is to use the cooling capacity of condensed water; the other is to recycle condensed water as water resources.

At present, in the humidification system that uses condensed water as a water resource for indoor humidification, the discharge of condensed water is related to various environmental factors, and it is impossible to accurately predict the discharge of condensed water. When the speed is high, it is easy to cause the water level of the water storage tank of the humidification system to be too high, which will affect the normal discharge of condensed water and normal atomization humidification of the air conditioner; although some humidification systems collect excess condensed water by adding a water storage tank, they cannot automatically adjust the humidification rate, and it is impossible to achieve the dynamic balance of indoor ambient air humidity.

Contents of the invention

The object of the present invention is to propose an automatic regulation and control humidification method using condensed water humidification, so as to realize efficient recovery of air-conditioning condensed water and automatic control of humidification rate, and realize dynamic balance of indoor ambient air humidity.

In order to achieve the above objectives, the present invention proposes an automatic regulation and humidification method utilizing condensed water humidification, which is implemented based on an automatic regulation and humidification system, and the automatic regulation and control system includes a filter device, a flow detection device and a humidification device; the humidification device It includes a water storage tank, a water level electrode, a fan and a controller; the controller includes a single-chip microcomputer control circuit, a photoelectric coupling circuit, a bias circuit and a high-frequency oscillation atomization circuit; the filter device is installed on the condensate drain pipe of the air conditioner indoor unit In the middle; the flow detection device is installed on the pipeline between the filter device and the water storage tank; the water level electrode is installed inside the water storage tank; the bottom of the water storage tank has an oscillating plate driven by the high-frequency oscillating atomization circuit, There is an air outlet channel above the oscillating plate; the fan is installed below the water storage tank and communicates with the air outlet channel through an air duct; electrical connection; the single-chip microcomputer control circuit, photoelectric coupling circuit, bias circuit and high-frequency oscillation atomization circuit are electrically connected in sequence; the automatic regulation and humidification method includes the following steps:

A1. The single-chip microcomputer control circuit detects the water level signal of the water storage tank through the water level electrode, and executes step A2 when the water level reaches the preset threshold;

A2. The single-chip microcomputer control circuit obtains the number of pulses output by the flow detection device per unit time;

A3. The single-chip microcomputer control circuit outputs a PWM signal with a corresponding duty cycle to the photoelectric coupling circuit according to the number of pulses, and transmits it to the bias circuit through the photoelectric coupling circuit, and generates a bias current with a corresponding proportional relationship;

A4. The high-frequency oscillating atomization circuit controls the oscillation amplitude of the oscillating plate based on the bias current, thereby regulating the atomization and humidification rate.

In a preferred solution of the present invention, when the water level reaches a preset threshold in step A1, the single-chip microcomputer control circuit controls the operation of the fan.

In a preferred solution of the present invention, in step A2, the single-chip microcomputer control circuit starts the timer for timing, and starts the counter to count the rising edge of the pulse signal output by the flow detection device, so as to obtain the number of pulses output by the flow detection device per unit time. number.

In a preferred solution of the present invention, the duty cycle of the PWM signal output by the single-chip microcomputer control circuit in step A3 is calculated as: P=k×T, where P is the duty cycle of the PWM signal output by the single-chip microcomputer control circuit, k is a proportional coefficient, and T is the number of pulses output by the flow detection device calculated by the counter in the unit time of the single-chip control circuit.

In a preferred solution of the present invention, the atomization humidification rate in step A4 is calculated as: V=m×P, where V is the atomization humidification rate, m is the proportional coefficient, and P is the PWM signal output by the single-chip microcomputer control circuit duty cycle.

An automatic control humidification method using condensed water humidification proposed by the present invention has at least the following beneficial effects:

1. The single-chip microcomputer control circuit detects the water level of the condensed water in the water storage tank through the water level electrode to determine whether to atomize and humidify the room, avoiding operation when there is no condensed water or the water level is low, and realizes water shortage protection.

2. The single-chip microcomputer control circuit detects the flow rate of condensed water through the flow detection device and adjusts the atomization humidification rate accordingly, that is, the humidification rate can be automatically adjusted, so as to realize the dynamic balance of the indoor ambient air humidity.

3. By adjusting the dynamic balance of indoor air humidity, it helps to improve human comfort, effectively reduce the occurrence of air-conditioning diseases, and prolong the service life of indoor furniture.

4. It realizes the efficient recovery of condensed water, which saves resources and is beneficial to human health. It is in line with the development trend of national home appliances and improves the environmental protection benefits and economic value of the automatic control system.

5. In the optimal solution, the fan will only run when the water level reaches the preset threshold, which can be used for atomization and humidification, which can reduce the power consumption of the system and improve the operating efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the overall mechanical structure of the automatic regulation humidification system adopted in the automatic regulation humidification method using condensed water humidification proposed in the embodiment.

FIG. 2 is a circuit schematic diagram corresponding to FIG. 1 .

Fig. 3 is a schematic workflow diagram of the automatic regulation and control humidification method using condensed water humidification proposed in the embodiment.

In Figure 1: 100-filtering device, 200-flow detection device, 300-humidifying device, 310-water storage tank, 311-water storage tank outlet, 320-water level electrode, 330-fan, 331-air outlet channel, 332-water Mist outlet, 340-controller, 500-air conditioner indoor unit, 510-drain pipe.

detailed description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

An automatic control humidification method using condensed water humidification proposed in the embodiment is implemented based on an automatic control humidification system. The automatic control humidification system and the automatic control humidification method are introduced respectively below.

Automatic control humidification system

Referring to Fig. 1 and Fig. 2, the automatic control system includes a filtering device 100, a flow detection device 200 and a humidifying device 300; wherein, the humidifying device 300 includes a water storage tank 310, a water level electrode 320, a fan 330 and a controller 340; the controller 340 includes A single-chip microcomputer control circuit 341 , a photoelectric coupling circuit 342 , a bias circuit 343 and a high-frequency oscillating atomization circuit 344 .

The filter device 100 is installed in the condensed water drain pipe 510 of the indoor unit 500 of the air conditioner, and is used to filter impurities such as bacteria in the condensed water. The flow detection device 200 is used to detect the flow of condensed water and output a pulse signal, which is installed on the pipeline between the filter device 100 and the water storage tank 310 . The water level electrode 320 is installed inside the water storage tank 310 , preferably at the bottom of the water storage tank 310 , for detecting the water level. The bottom of the water storage tank 310 has an oscillating plate (not shown) driven by the high-frequency oscillating atomization circuit 344, and an air outlet channel 331 is arranged above the oscillating plate. out) communicates with the air outlet channel 331; the water inlet of the water storage tank 310 can be located at the side upper end of the water storage tank 310, and the side lower end of the water storage tank 310 also has a drain port 311, which can be used to discharge the remaining water in the water storage tank 310 when the system is not working. Condensed water can also be poured into the drain port 311 to clean the water storage tank 310 with soda water. The fan 330 is used to blow the water mist generated by the vibration of the oscillating plate from the water mist outlet 332 of the air outlet channel 331 into the room for humidification.

In this embodiment, the flow detection device 200 may specifically adopt a flow detection device with a Hall sensor. The fan 330 can be a turbo silent fan, and the water mist generated by the high-frequency oscillating atomization circuit 344 driving the oscillating plate can be blown into the room by the fan 330 through the air outlet channel 331 and the water mist outlet 332 for humidification.

The signal output terminal of the flow detection device 200, the water level electrode 320 and the fan 330 are respectively connected to the single-chip microcomputer control circuit 341; The single-chip microcomputer control circuit 341 controls the atomization and humidification according to the water level signal of the water level electrode 320 and controls the working state of the fan 330, that is, decides whether to perform atomization and humidification, and only when the atomization and humidification is performed, the fan 330 will run accordingly.

Automatic regulation of humidification method

Please refer to Fig. 3, the automatic regulation and humidification method of this embodiment includes the following steps S100 to S400:

S100. The single-chip microcomputer control circuit detects the water level signal of the water storage tank through the water level electrode, and executes step S200 when the water level reaches a preset threshold.

In step S100, the preset threshold of the water level is H as an example. When it is detected to be greater than H, the atomization and humidification control can be performed, and the single-chip control circuit controls the operation of the fan. When it is less than H, the detection continues.

S200. The single-chip microcomputer control circuit obtains the number of pulses output by the flow detection device per unit time.

In step S200, the microcontroller control circuit starts the timer for timing, and starts the counter to count the rising edges of the pulse signal output by the flow detection device, so as to obtain the number of pulses output by the flow detection device per unit time.

S300. The single-chip microcomputer control circuit outputs a PWM signal with a corresponding duty ratio to the photoelectric coupling circuit according to the number of pulses, transmits it to the bias circuit through the photoelectric coupling circuit, and generates a bias current with a corresponding proportional relationship.

The duty ratio of the PWM signal output by the single-chip microcomputer control circuit in step S300 is calculated as: P=k×T, wherein, P is the duty cycle of the PWM signal output by the single-chip microcomputer control circuit, k is a proportional coefficient, and T is the described The number of pulses output by the flow detection device is calculated by the counter in the unit time of the single-chip control circuit.

S400. The high-frequency oscillating atomization circuit controls the oscillation amplitude of the oscillating plate based on the bias current, thereby regulating the atomization and humidification rate.

The atomization humidification rate in step S400 is calculated as: V=m×P, where V is the atomization humidification rate, m is the proportional coefficient, and P is the duty ratio of the PWM signal output by the single-chip microcomputer control circuit.

This embodiment has at least the following advantages: the single-chip microcomputer control circuit can determine whether to atomize and humidify the room through the water level electrode to detect the water level of the condensed water in the water storage tank, so as to avoid the operation when there is no condensed water or the water level is low, thereby realizing water shortage protection; In the preferred solution, when the water level reaches the preset threshold value, the atomization and humidification can be carried out, and the fan will only run, which can reduce the power consumption of the system and improve the operating efficiency; The humidification rate, that is, the humidification rate can be automatically adjusted, so as to realize the dynamic balance of the indoor ambient air humidity, help to improve the comfort of the human body, effectively reduce the occurrence of air-conditioning diseases, and prolong the service life of indoor furniture; realize the protection of condensed water Efficient recycling saves resources and is beneficial to human health. It is in line with the development trend of national home appliances and improves the environmental protection benefits and economic value of the automatic control system.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (5)

1. the auto-control air-humidification method that a kind utilizes condensed water to humidify, it is characterised in that based on an auto-control humidification system And perform, described automatic regulating system includes defecator, flow detector and damping device；Described damping device includes Storage tank, level electrode, blower fan and controller；Described controller includes single chip machine controlling circuit, photoelectric coupling circuit, biased electrical Road and higher-order of oscillation atomization circuit；Described defecator is arranged in the condensate draining pipe of indoor apparatus of air conditioner；Described flow Detection device is arranged on the pipeline between defecator and storage tank；Described level electrode is arranged on inside storage tank；Described There is inside storage tank the oscillator plate driven by described higher-order of oscillation atomization circuit, there is above oscillator plate air-out passage；Described Assembling connects with described air-out passage below storage tank and by guide duct；The signal output of described flow detector End, level electrode and blower fan electrically connect with described single chip machine controlling circuit respectively；Described single chip machine controlling circuit, photoelectric coupling Circuit, biasing circuit and higher-order of oscillation atomization circuit are sequentially connected electrically；Described auto-control air-humidification method comprises the following steps:

A1, single chip machine controlling circuit, by the water level signal of level electrode detecting storage tank, are held when water level reaches preset threshold value Row step A2；

The pulse number of flow detector output in A2, the single chip machine controlling circuit acquisition unit interval；

A3, single chip machine controlling circuit according to pulse number export corresponding dutycycle pwm signal to photoelectric coupling circuit, by light Electric coupling circuit transmits to biasing circuit, and generates the bias current of corresponding proportion relation；

A4, higher-order of oscillation atomization circuit control the oscillation amplitude of oscillator plate based on described bias current, thus regulate and control atomizing humidifying performance Speed.

The auto-control air-humidification method utilizing condensed water to humidify the most according to claim 1, it is characterised in that in step A1 When water level reaches preset threshold value, single chip machine controlling circuit controls fan operation.

The auto-control air-humidification method utilizing condensed water to humidify the most according to claim 1, it is characterised in that in step A2 Single chip machine controlling circuit opening timing device is timed, and opens upper to the pulse signal that flow detector exports of enumerator Rise along counting, to obtain the pulse number of flow detector output in the unit interval.

The auto-control air-humidification method utilizing condensed water to humidify the most according to claim 3, it is characterised in that in step A3 The dutycycle of the pwm signal of single chip machine controlling circuit output is calculated as: P=k × T, wherein, P is described single chip machine controlling circuit The dutycycle of the pwm signal of output, k is proportionality coefficient, and T is that described single chip machine controlling circuit unit interval inside counting device calculates The pulse number of the flow detector output arrived.

The auto-control humidification system utilizing condensed water to humidify the most according to claim 4, it is characterised in that in step A4 Described atomizing humidifying performance rate calculations is: V=m × P, and wherein, V is atomizing humidifying performance speed, and m is proportionality coefficient, and P is Single-chip Controlling The dutycycle of the pwm signal of circuit output.