WO2023273322A1

WO2023273322A1 - Drainage device for integrated air conditioner and control method therefor

Info

Publication number: WO2023273322A1
Application number: PCT/CN2022/073230
Authority: WO
Inventors: 冯文斌; 陆建松; 张飞; 朱百发; 温晓杰; 王阳阳
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-06-30
Filing date: 2022-01-21
Publication date: 2023-01-05
Also published as: CN113531873A

Abstract

The present invention belongs to the technical field of air treatment equipment, and particularly provides a drainage device for an integrated air conditioner and a control method therefor. The present invention aims to solve the problem in the prior art that a condensate water discharge mode cannot meet the condensate water discharge requirements of the integrated air conditioner. For this purpose, the drainage device for the integrated air conditioner of the present invention comprises a water storage tank, a drainage pump, and a water level detector used for detecting the water level in the water storage tank. The drainage pump and the water level detector are respectively arranged in the water storage tank, the drainage pump is connected to a drainage pipe, and the drainage pipe can discharge the condensate water in the water storage tank to a condenser of the integrated air conditioner. Therefore, the water level in the water storage tank is detected, and condensate water in the water storage tank is discharged to the condenser of the integrated air conditioner by means of the drainage pump, and the condensate water is evaporated by means of the condenser, so as to meet the discharge requirements of the integrated air conditioner for condensate water.

Description

Drainage device for integrated air conditioner and control method thereof

technical field

The invention belongs to the technical field of air treatment equipment, and specifically provides a drainage device for an integrated air conditioner and a control method thereof.

Background technique

The air conditioner will generate condensed water during use. In order to make the air conditioner operate normally, the generated condensed water must be discharged in time.

Existing air conditioners usually discharge the condensed water directly to the outside by setting a drainage pipeline.

However, the discharge method of condensed water in the above-mentioned prior art obviously has limitations. For special air conditioners, such as integrated air conditioners, which are not in a separate state and need to be directly installed on the wall, it is impossible to directly discharge the condensate through the drainage pipeline Drain the condensed water to the outside.

Correspondingly, there is a need in the art for a new drainage device for an integrated air conditioner and a control method thereof to solve the above problems.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problem that the condensed water discharge method in the prior art cannot meet the condensed water discharge requirements of the integrated air conditioner, the present invention provides a drainage device for the integrated air conditioner, The drainage device includes a water storage tank, a drainage pump and a water level detector for detecting the water level in the water storage tank, the drainage pump and the water level detector are respectively arranged in the water storage tank, and the drainage pump is connected to There is a drain pipe, and the drain pipe can discharge the condensed water in the water storage tank to the condenser of the integrated air conditioner.

In the above preferred technical solution of the drainage device for an integrated air conditioner, the water level detector includes a first probe, a second probe and a third probe capable of respectively detecting different water levels in the water storage tank, and the first The length of the probe is greater than the length of the second probe, and the length of the second probe is greater than the length of the third probe.

The present invention also provides a control method for a drainage device of an integrated air conditioner, the drainage device includes a water storage tank, a drainage pump and a water level detector for detecting the water level in the water storage tank, the drainage pump and The water level detectors are respectively arranged in the water storage tanks, and the drain pump is connected with a drain pipe, and the drain pipe can discharge the condensed water in the water storage tank to the condenser of the integrated air conditioner The control method includes: controlling the water level detector to detect whether the water level in the water storage tank reaches the drainage water level and whether it reaches the fast drainage level, wherein the height of the fast drainage level is higher than the height of the drainage water level; Based on the detected height of the water level in the water storage tank, selectively control the integrated air conditioner not to drain, to enter a normal drainage mode or to enter an accelerated drainage mode; wherein, the drainage speed of the normal drainage mode is lower than the accelerated drainage mode. The drainage speed of the drainage mode.

In the preferred technical solution of the above-mentioned control method for the drainage device of the integrated air conditioner, the water level detector includes a first probe capable of detecting the drainage water level in the water storage tank, and a second probe of the fast drainage level. Two probes, the step of "selectively controlling the integrated air conditioner not to drain water, entering a normal drainage mode or entering an accelerated drainage mode based on the detected water level in the water storage tank" further includes: when the water level does not reach the specified When the water level reaches the first probe, no drainage is performed; and/or, when the water level reaches the first probe but not the second probe, enters the normal drainage mode; and/or, when the water level reaches the second When the second probe is used, enter the accelerated drainage mode.

In the preferred technical solution of the control method for the drainage device of the integrated air conditioner, the normal drainage mode is: controlling the drainage pump to pump water, and controlling the compressor of the integrated air conditioner to run at a rated frequency Controlling the outdoor fan of the integrated air conditioner to run at a rated wind speed until the water level returns to a state that does not reach the first probe; controlling the drainage pump to stop pumping water.

In the preferred technical solution of the control method for the drainage device of the integrated air conditioner, the step of "controlling the drainage pump to pump water" further includes: controlling the drainage pump to pump water after delaying the first set time; and /Or, after the step of "controlling the drainage pump to stop pumping water", the control method further includes: the drainage pump is not started within the second set time.

In the preferred technical solution of the above-mentioned control method for the drainage device of the integrated air conditioner, the accelerated drainage mode is: controlling the drainage pump to pump water; controlling the compressor of the integrated air conditioner to Running at a frequency that is a multiple of the first setting, and/or controlling the outdoor fan of the integrated air conditioner to run at a speed that is higher than the second setting multiple of the rated speed until the water level returns to a state that does not reach the first probe; Controlling the drainage pump to stop pumping water; controlling the compressor of the integrated air conditioner to operate at a rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to adjust to operate at a rated wind speed.

In the preferred technical solution of the above-mentioned control method for the drainage device of the integrated air conditioner, the water level detector further includes a third probe capable of detecting the rapid drainage water level in the water storage tank, and the rapid drainage water level is higher than the specified The fast drainage level, the step of "selectively controlling the integrated air conditioner not to drain, to enter the normal drainage mode or to enter the accelerated drainage mode based on the detected water level in the water storage tank" further includes: based on the detected The height of the water level in the water storage tank selectively controls the integrated air conditioner not to drain, to enter the normal drainage mode, to enter the accelerated drainage mode or to enter the rapid drainage mode.

In the preferred technical solution of the above-mentioned control method for the drainage device of the integrated air conditioner, the rapid drainage mode is: controlling the shutdown of the compressor of the integrated air conditioner, and controlling the operation of the outdoor fan of the integrated air conditioner ; control the drainage pump to draw water until the water level reaches the state of not reaching the second probe again; control the compressor of the integrated air conditioner to run at a frequency lower than the third set multiple of the rated frequency, and/or Control the outdoor fan of the integrated air conditioner to run at a speed higher than the fourth set multiple of the rated speed until the water level returns to the state that does not reach the first probe; control the drainage pump to stop pumping water; control the integrated The compressor of the integrated air conditioner is adjusted to run at the rated frequency, and/or the outdoor fan of the integrated air conditioner is controlled to be adjusted to run at the rated wind speed; wherein, the third set multiple is smaller than the first set multiple, so The fourth set multiple is greater than the second set multiple.

In the preferred technical solution of the control method for the drainage device of the integrated air conditioner, the step of "controlling the drainage pump to draw water until the water level returns to the state of not reaching the second probe" further includes: controlling the The drainage pump is used to pump water; when the water level still fails to reach the state of the second probe after the third set time, the integrated air conditioner is controlled to shut down and a water pump failure signal is issued; and/or, After the step of "controlling the compressor of the integrated air conditioner to adjust to the rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to adjust to the rated wind speed", the control method further includes: When it is detected again that the water level has reached the state of the third probe again within the set time, the compressor of the integrated air conditioner is controlled to stop, the outdoor fan of the integrated air conditioner is controlled to run normally, and a non-stop signal is issued. Normal operation signal.

Those skilled in the art can understand that, in the technical solution of the present invention, the drainage device includes a water storage tank, a drainage pump and a water level detector for detecting the water level in the water storage tank, and the drainage pump and the water level detector are respectively arranged in the water storage tank, The drain pump is connected with a drain pipe, and the drain pipe can discharge the condensed water in the water storage tank to the condenser of the integrated air conditioner.

Through the above setting method, the drainage device for the integrated air conditioner of the present invention is equipped with a water level detector and a drainage pump to detect the water level in the water storage tank and drain the condensed water in the water storage tank into one body through the drainage pump On the condenser of the integrated air conditioner, the condensed water is evaporated through the condenser to meet the discharge needs of the integrated air conditioner for the condensed water.

Description of drawings

The drainage device for an integrated air conditioner and its control method according to the present invention will be described below with reference to the accompanying drawings. In the attached picture:

Fig. 1 is a schematic structural view of an integrated air conditioner with a drainage device;

Fig. 2 is the structural representation of water level detector;

Fig. 3 is a main flowchart of a control method for a drainage device of an integrated air conditioner;

Fig. 4 is an expanded flowchart of step S022 of the control method for the drainage device of the integrated air conditioner;

Fig. 5 is an expanded flow chart of step S023 of the control method for the drainage device of the integrated air conditioner;

FIG. 6 is an expanded flow chart of the rapid drainage mode used in the control method of the drainage device of the integrated air conditioner.

List of reference signs:

1 - drainage device;

11 - water storage tank;

12-drainage pump; 121-drainage pipe;

13-water level detector; 131-the first probe; 132-the second probe; 133-the third probe;

2 - condenser;

3 - compressor;

4-Outdoor fan.

detailed description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention. Those skilled in the art can make adjustments as needed so as to adapt to specific applications. For example, although the specification describes the water level detector as a multi-probe water level detector, the present invention can obviously adopt other various forms of water level detectors, as long as the water level detector has the ability to detect different levels in the water storage tank. The effect of the water level is enough. For example, a floating water level detector can also be used.

It should be noted that in the description of the present invention, the terms "first", "second", "third" and "fourth" are used for description purposes only, and should not be understood as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Connection; can be direct or indirect through an intermediary. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Referring first to FIG. 1 , the drainage device for an integrated air conditioner of the present invention will be described. Wherein, FIG. 1 is a structural schematic diagram of an integrated air conditioner with a drainage device.

As shown in Figure 1, in order to solve the problem that the condensed water discharge method in the prior art cannot meet the condensed water discharge needs of the integrated air conditioner, the drainage device 1 for the integrated air conditioner of the present invention includes a water storage tank 11, a drain pump 12 And the water level detector 13 that is used to detect the water level in the water storage tank 11, the drainage pump 12 and the water level detector 13 are respectively arranged in the water storage tank 11, and the drainage pump 12 is connected with a drain pipe 121, and the drain pipe 121 can drain the water in the water storage tank 11. The condensed water is discharged to the condenser 2 of the integrated air conditioner.

The drainage device 1 for the integrated air conditioner of the present invention uses the above arrangement to detect the water level in the water storage tank 11 and drain the condensed water in the water storage tank 11 to the condenser of the integrated air conditioner through the drain pump 12 2, and the condensed water is evaporated through the condenser 2, so as to meet the discharge requirements of the integrated air conditioner for condensed water.

It should be noted that the water level detector 13 in this embodiment is a floating water level detector or a multi-probe water level detector.

Further referring to FIG. 2 , the drainage device for the integrated air conditioner of the present invention will be described in detail.

As shown in Figure 2, in a possible implementation manner, the water level detector 13 includes a first probe 131, a second probe 132 and a third probe 133 capable of detecting different water levels in the water storage tank 11 respectively, the first probe 131 The length is greater than that of the second probe 132 , and the length of the second probe 132 is greater than that of the third probe 133 .

In this embodiment, by setting the water level detector 13 with the first probe 131, the second probe 132 and the third probe 133 with different lengths, it is possible to detect the water level in the water storage tank 11 with different gradients, so as to provide further support for the subsequent passage. Setting relevant control methods to realize the intelligent discharge of condensed water provides hardware support.

As shown in Figures 1-3, the present invention also provides a method for controlling the drainage device of an integrated air conditioner. The drainage device 1 includes a water storage tank 11, a drainage pump 12 and a water level for detecting the water level in the water storage tank 11. The detector 13, the drain pump 12 and the water level detector 13 are respectively arranged in the water storage tank 11, and the drain pump 12 is connected with a drain pipe 121, and the drain pipe 121 can discharge the condensed water in the water storage tank 11 to the condensation water of the integrated air conditioner. device 2; the control method includes:

S01: Control the water level detector to detect whether the water level in the water storage tank reaches the drainage level and whether it reaches the fast drainage level;

Wherein, the height of the fast drainage level is higher than the height of the drainage water level.

Specifically, the drainage device 1 detects the water level in the water storage tank 11 by controlling the water level detector 13, and judges whether the water level in the water storage tank 11 reaches the drainage water level and whether it reaches the fast drainage level according to the detection result of the water level detector 13.

S02: Based on the detected height of the water level in the water storage tank, selectively control the integrated air conditioner not to drain, to enter a normal drainage mode or to enter an accelerated drainage mode;

Wherein, the drainage speed of the normal drainage mode is lower than that of the accelerated drainage mode.

Specifically, based on the water level in the water storage tank 11 detected by the water level detector 13, the integrated air conditioner is controlled not to drain, to enter a normal drainage mode or to enter an accelerated drainage mode according to different water level conditions.

As shown in Figures 1-3, in a possible implementation, the water level detector 13 includes a first probe 131 capable of detecting the drain water level in the water storage tank 11, and a second probe 132 capable of detecting the fast drain level, "based on the detected The height of the water level in the water storage tank, selectively controlling the integrated air conditioner not to drain, to enter the normal drainage mode or to enter the accelerated drainage mode" step S02 further includes:

S021: When the water level does not reach the first probe, do not perform drainage;

Specifically, when the water level in the water storage tank 11 does not reach the first probe 131, the water level detector 13 cannot detect the water level signal at this time, indicating that the water level in the water storage tank 11 is low at this time, and drainage may not be performed. Therefore, the integrated control Air conditioners do not perform draining.

S022: When the water level reaches the first probe but not the second probe, enter the normal drainage mode;

Specifically, when the water level in the water storage tank 11 reaches the first probe 131 but has not yet reached the second probe 132, only the first probe 131 in the water level detector 13 can detect the water level signal, indicating that the accumulated water in the water storage tank 11 at this time A certain amount of condensed water, but the cumulative amount of condensed water in the water storage tank 11 is still at a normal level at this time, therefore, the integrated air conditioner is controlled to enter the normal drainage mode.

Among them, as shown in Figure 4, the normal drainage mode is:

S0221: Control the drainage pump to pump water, and control the compressor of the integrated air conditioner to run at the rated frequency, and control the outdoor fan of the integrated air conditioner to run at the rated wind speed until the water level falls below the first probe again;

Specifically, when the water level detector 13 detects that a certain amount of condensed water has accumulated in the water storage tank 11, but the accumulated condensed water is still at a normal level, there is no need to adjust the frequency of the compressor 3 of the integrated air conditioner and the outdoor The wind speed of the fan 4 is adjusted, so that the drainage device 1 controls the drainage pump 12 to pump water, and controls the compressor 3 of the integrated air conditioner to run at the rated frequency, and controls the outdoor fan 4 of the integrated air conditioner to run at the rated wind speed until The water level returns to the state of not reaching the first probe 131.

Wherein, "controlling the drainage pump to pump water" in step S0221 may further include: controlling the drainage pump to pump water after delaying the first set time;

Specifically, when the water level detector 13 detects that the water level in the water storage tank 11 reaches the state of the first probe 131 , the drainage device 1 controls the drainage pump 12 to pump water after a first set time delay. On the one hand, the above setting method can prevent the water level detector 13 from misjudging the water level in the water storage tank 11 and turn on the drainage pump 12; , the cumulative amount of condensed water in the water storage tank 11 is relatively small, and the cumulative amount of condensed water in the water storage tank 11 can be relatively increased by delaying the first set time to pump water. At this time, controlling the drainage pump 12 to pump water can improve the drainage pump 12 The pumping efficiency in the process of pumping and draining condensed water once, so as to reduce the number of times that the drain pump 12 is repeatedly turned on. It should be noted that the first set time in the present invention is preferably 10 minutes.

S0222: Control the drainage pump to stop pumping water.

Specifically, after draining the condensed water in the water storage tank 11 through the drain pump 12, when the water level in the water storage tank 11 drops below the first probe 131 again, it means that the water level in the water storage tank 11 has dropped to a lower level at this time. Drainage is no longer needed, so the drain pump 12 is controlled to stop pumping.

Wherein, after the step S0222 of "controlling the drainage pump to stop pumping water", the control method may further include: the drainage pump is not started within the second set time.

Specifically, when the drainage device 1 controls the drainage pump 12 to drain the condensed water accumulated in the water storage tank 11 once, and the water level of the condensed water in the water storage tank 11 has dropped below the first probe 131, the drainage pump 12 is controlled to stop pumping. Afterwards, the drain pump 12 is no longer turned on within the second set time. It should be noted that the second set time in the present invention is preferably 10 minutes. So far, the introduction of the normal drainage mode is completed.

S023: When the water level reaches the second probe, enter the accelerated drainage mode.

Specifically, when the water level in the water storage tank 11 reaches the state of the second probe 132, the second probe 132 in the water level detector 13 can detect the water level signal in the water storage tank 11, indicating that at this time the water storage tank 11 has accumulated More condensed water, in order to ensure the normal operation of the integrated air conditioner, it is necessary to quickly drain the accumulated condensed water in the water storage tank 11, therefore, the integrated air conditioner is controlled to enter the accelerated drainage mode.

Among them, as shown in Figure 5, the accelerated drainage mode is:

S0231: Control the drainage pump to pump water;

S0232: Control the compressor of the integrated air conditioner to run at a frequency lower than the first set multiple of the rated frequency, and/or control the outdoor fan of the integrated air conditioner to run at a speed higher than the second set multiple of the rated speed until The water level returns to the state of not reaching the first probe;

S0233: Control the drainage pump to stop pumping water;

Specifically, when the water level in the water storage tank 11 reaches the state of the second probe 132, more condensed water has accumulated in the water storage tank 11 at this time. In order to quickly discharge the condensed water in the water storage tank 11, only the drain pump 12 is controlled. It is not enough to pump water. Therefore, while controlling the drainage pump 12 to pump water, control the compressor 3 of the integrated air conditioner to run at a frequency lower than the first set multiple of the rated frequency, and/or control the outdoor air conditioner of the integrated air conditioner. The fan 4 runs at a speed higher than the second set multiple of the rated speed until the water level falls below the first probe 131 again. Through the above arrangement, it is possible to reduce the generation of condensed water while pumping and draining the condensed water in the water storage tank 11 , so as to realize the effect of quickly reducing the condensed water in the water storage tank 11 . When the water level in the water storage tank 11 drops below the first probe 131 again through the above-mentioned control method, it means that the accumulated amount of condensed water in the water storage tank 11 has dropped to a small level at this time, so the drain pump 12 is controlled to stop pumping water. Wherein, the first setting multiple is between 0.7-0.9, more preferably 0.8; the second setting multiple is between 1.05-1.15, more preferably 1.1.

S0234: Control the compressor of the integrated air conditioner to adjust to run at the rated frequency, and/or control the outdoor fan of the integrated air conditioner to adjust to run at the rated wind speed.

Specifically, when the water level in the water storage tank 11 drops below the first probe 131 again, it means that the condensed water in the water storage tank 11 has been drained through the above control method. In order to further ensure the operation of the integrated air conditioner As a result, at this time, the compressor 3 of the integrated air conditioner is controlled to operate at a rated frequency, and/or the outdoor fan 4 of the integrated air conditioner is controlled to be adjusted to operate at a rated wind speed.

As shown in Figures 1-2, in a possible implementation, the water level detector 13 also includes a third probe 133 capable of detecting the rapid drainage water level in the water storage tank 11, the rapid drainage water level is higher than the fast drainage level, "Based on detection The height of the water level in the water storage tank detected, selectively controlling the integrated air conditioner not to drain, entering the normal drainage mode or entering the accelerated drainage mode" step S02 further includes: based on the detected height of the water level in the water storage tank, selectively Control the integrated air conditioner not to drain, to enter the normal drainage mode, to enter the accelerated drainage mode or to enter the rapid drainage mode.

Wherein, when the water level reaches the third probe, it enters the rapid drainage mode.

Specifically, in order to further ensure the safe operation of the integrated air conditioner, a third probe 133 for detecting the rapid drainage water level in the water storage tank 11 is added to the water level detector 13 . And when the water level in the water storage tank 11 reaches the state of the third probe 133, the integrated air conditioner is controlled to enter the rapid drainage mode.

Among them, as shown in Figure 6, the rapid drainage mode is:

S0241: Control the shutdown of the compressor of the integrated air conditioner, and control the operation of the outdoor fan of the integrated air conditioner;

S0242: Control the drainage pump to draw water until the water level reaches the state of not reaching the second probe again;

Specifically, when the water level in the water storage tank 11 reaches the state of the third probe 133, it indicates that a large amount of condensed water has accumulated in the water storage tank 11 at this time, and the large amount of condensed water accumulated in the water storage tank 11 needs to be discharged quickly. Controlling the drainage pump 12 to pump water can no longer meet the drainage needs, so it is necessary to control the compressor 3 of the integrated air conditioner to stop, control the outdoor fan 4 of the integrated air conditioner to run, and at the same time control the drainage pump 12 to pump water until the water level reaches the low level again. The state of the second probe 132 . The above setting method, by controlling the stop of the compressor 3 of the integrated air conditioner, fundamentally stops the generation of condensed water, and at the same time controls the operation of the outdoor fan 4 of the integrated air conditioner and controls the drainage pump 12 to pump water, so that the storage can be realized. The effect that condensed water is discharged rapidly in the water tank 11.

Wherein, the step S0242 of "controlling the drainage pump to draw water until the water level has not reached the state of the second probe" further includes: controlling the drainage pump to draw water;

When the water level still fails to reach the state of the second probe after the third set time, the integrated air conditioner is controlled to shut down and a water pump failure signal is issued;

Specifically, when the compressor 3 of the integrated air conditioner is controlled to stop, the outdoor fan 4 of the integrated air conditioner is controlled to run, and the drain pump 12 is controlled to pump water, after the third set time, the water level still cannot reach the level of the second probe. 132, it means that there may be a fault in the drainage device 1 at this time, so the integrated air conditioner is controlled to stop and a water pump fault signal is sent. It should be noted that the third set time in the present invention is preferably 30 minutes.

S0243: Control the compressor of the integrated air conditioner to run at a frequency lower than the third set multiple of the rated frequency, and/or control the outdoor fan of the integrated air conditioner to run at a speed higher than the fourth set multiple of the rated speed until The water level returns to the state of not reaching the first probe;

S0244: Control the drainage pump to stop pumping water;

Specifically, when the compressor 3 of the integrated air conditioner is controlled to stop, the outdoor fan 4 of the integrated air conditioner is controlled to run, and the drainage pump 12 is controlled to pump water at the same time, the water level in the water storage tank 11 is restored to the point where the second probe 132 is not reached. The state indicates that the condensed water accumulated in the water storage tank 11 has been discharged in large quantities at this time, and the water level in the water storage tank 11 is already at a safe water level. In order to ensure the operation effect of the integrated air conditioner and take into account the further discharge of the condensed water accumulated in the water storage tank 11, the compressor 3 of the integrated air conditioner is controlled to operate at a frequency lower than the third set multiple of the rated frequency, and/or The outdoor fan 4 of the integrated air conditioner is controlled to run at a speed higher than the fourth set multiple of the rated speed until the water level does not reach the state of the first probe 131 again. When the water level in the water storage tank 11 drops below the first probe 131 again, it means that the condensed water in the water storage tank 11 has been drained at this time, so the drainage pump 12 is controlled to stop pumping. Wherein, the third set multiple is between 0.4-0.6, more preferably 0.5; the second set multiple is between 1.15-1.25, more preferably 1.2. It should be noted that the third set multiple is smaller than the first set multiple, and the fourth set multiple is greater than the second set multiple.

S0245: Control the compressor of the integrated air conditioner to operate at the rated frequency, and/or control the outdoor fan of the integrated air conditioner to adjust to the rated wind speed;

Specifically, in order to further ensure the operation effect of the integrated air conditioner, after the condensed water accumulated in the water storage tank 11 is drained, control the compressor 3 of the integrated air conditioner to adjust to the rated frequency operation, and/or control the integrated air conditioner The outdoor fan 4 of the device is adjusted to run at the rated wind speed.

Wherein, as shown in Figure 6, after the step S0245 of "controlling the compressor of the integrated air conditioner to adjust to the rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to operate at the rated wind speed", the control method further includes:

S02451: When it is detected again that the water level has reached the state of the third probe again within the fourth set time, the compressor of the integrated air conditioner is controlled to stop, the outdoor fan of the integrated air conditioner is controlled to run normally, and an abnormal signal is issued. run signal.

Specifically, after the condensed water in the water storage tank 11 has been pumped and drained through the above-mentioned setting method, and the water level is detected again within the fourth set time to reach the state of the third probe 133, the integrated air conditioner is controlled to The compressor 3 is shut down, the outdoor fan 4 of the integrated air conditioner is controlled to run normally, and an abnormal operation signal is sent. It should be noted that the fourth set time in the present invention is preferably 30 minutes.

In summary, the drainage device 1 for an integrated air conditioner of the present invention is provided with a water level detector 13 and a drainage pump 12 to detect the water level in the water storage tank 11 and drain the water level in the water storage tank 11 through the drainage pump 12. The condensed water is discharged to the condenser 2 of the integrated air conditioner, and the condensed water is evaporated through the condenser 2 to meet the discharge needs of the integrated air conditioner for condensed water.

In addition, the present invention also provides a control method for the drainage device of the integrated air conditioner, the control method controls the integrated air conditioner to enter different drainage modes according to the water level in the water storage tank 11, and realizes intelligent drainage.

It should be noted that the above-mentioned embodiments are only used to illustrate the principles of the present invention, and are not intended to limit the protection scope of the present invention. Those skilled in the art can adjust the above-mentioned structures without departing from the principles of the present invention, so that The present invention can be applied to more specific application scenarios.

In addition, those skilled in the art will understand that although some embodiments described herein include some features included in other embodiments but not others, the combination of features of different embodiments means that it is protected by the present invention. range and form different embodiments. For example, in the claims of the invention, any one of the claimed embodiments can be used in any combination.

Those skilled in the art can understand that the above-mentioned drainage device for an integrated air conditioner also includes some other known structures, such as a processor, a controller, a memory, etc., wherein the memory includes but is not limited to random access memory, flash memory, read-only memory, Programmable read-only memory, volatile memory, non-volatile memory, serial memory, parallel memory or registers, etc. Processors include but not limited to CPLD/FPGA, DSP, ARM processors, MIPS processors, etc. These well-known structures are not shown in the figures in order to unnecessarily obscure the embodiments of the present disclosure.

In the above embodiment, although the various steps are described according to the above sequence, those skilled in the art can understand that in order to achieve the effect of this embodiment, different steps do not have to be executed in this order, and they can be performed at the same time ( in parallel) or in reverse order.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but those skilled in the art will easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

A drainage device for an integrated air conditioner, characterized in that the drainage device includes a water storage tank, a drainage pump, and a water level detector for detecting the water level in the water storage tank, and the drainage pump and the water level detector The water tanks are respectively arranged in the water storage tanks, and the drainage pump is connected with a drain pipe, and the drain pipe can discharge the condensed water in the water storage tank to the condenser of the integrated air conditioner.
The drainage device for an integrated air conditioner according to claim 1, wherein the water level detector includes a first probe, a second probe and a third probe capable of respectively detecting different water levels in the water storage tank, The length of the first probe is greater than the length of the second probe, and the length of the second probe is greater than the length of the third probe.
A control method for a drainage device of an integrated air conditioner, the drainage device includes a water storage tank, a drainage pump and a water level detector for detecting the water level in the water storage tank, the drainage pump and the water level detector respectively arranged in the water storage tanks, the drainage pump is connected with a drain pipe, and the drain pipe can discharge the condensed water in the water storage tank to the condenser of the integrated air conditioner;

The control methods include:

Controlling the water level detector to detect whether the water level in the water storage tank reaches the drainage water level and whether it reaches the fast drainage level, wherein the height of the fast drainage level is higher than the height of the drainage water level;

Based on the detected height of the water level in the water storage tank, selectively control the integrated air conditioner not to drain, to enter a normal drainage mode or to enter an accelerated drainage mode;

Wherein, the drainage speed of the normal drainage mode is lower than the drainage speed of the accelerated drainage mode.
The control method for the drainage device of the integrated air conditioner according to claim 3, wherein the water level detector includes a first probe capable of respectively detecting the drainage water level in the water storage tank, the fast The second probe of the drainage level, the step of "selectively controlling the integrated air conditioner not to drain, to enter the normal drainage mode or to enter the accelerated drainage mode based on the detected height of the water level in the water storage tank" further includes:

When the water level does not reach the first probe, no drainage is performed; and/or,

When the water level reaches the first probe and does not reach the second probe, enter the normal drainage mode; and/or,

When the water level reaches the second probe, enter the accelerated drainage mode.
The control method for the drainage device of the integrated air conditioner according to claim 3 or 4, characterized in that, the normal drainage mode is:

Control the drainage pump to pump water, and control the compressor of the integrated air conditioner to run at the rated frequency, and control the outdoor fan of the integrated air conditioner to run at the rated wind speed until the water level is lower than the first probe status;

Control the drainage pump to stop pumping water.
The control method for the drainage device of the integrated air conditioner according to claim 5, characterized in that,

The step of "controlling the drainage pump to pump water" further includes: controlling the drainage pump to pump water after delaying the first set time;

and/or,

After the step of "controlling the drainage pump to stop drawing water", the control method further includes: the drainage pump is not started within the second set time.
The control method for the drainage device of the integrated air conditioner according to claim 4, wherein the accelerated drainage mode is:

controlling the drainage pump to pump water;

Control the compressor of the integrated air conditioner to run at a frequency lower than the first set multiple of the rated frequency, and/or control the outdoor fan of the integrated air conditioner to run at a speed higher than the second set multiple of the rated speed , until the water level returns to the state of not reaching the first probe;

Control the drainage pump to stop pumping water;

Controlling the compressor of the integrated air conditioner to adjust to operate at a rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to adjust to operate at a rated wind speed.
The method for controlling the drainage device of an integrated air conditioner according to claim 7, wherein the water level detector further includes a third probe capable of detecting the rapid drainage water level in the water storage tank, and the rapid drainage The water level is higher than the fast drainage level, and the step of "selectively controlling the integrated air conditioner not to drain, to enter the normal drainage mode or to enter the accelerated drainage mode based on the detected height of the water level in the water storage tank" further includes :

Based on the detected height of the water level in the water storage tank, the integrated air conditioner is selectively controlled not to drain, to enter a normal drain mode, to enter an accelerated drain mode or to enter a rapid drain mode.
The control method for the drainage device of the integrated air conditioner according to claim 8, wherein the rapid drainage mode is:

Control the shutdown of the compressor of the integrated air conditioner, and control the operation of the outdoor fan of the integrated air conditioner;

Controlling the drainage pump to draw water until the water level returns to a state that does not reach the second probe;

Control the compressor of the integrated air conditioner to run at a frequency lower than the third set multiple of the rated frequency, and/or control the outdoor fan of the integrated air conditioner to run at a speed higher than the fourth set multiple of the rated speed , until the water level returns to the state of not reaching the first probe;

Control the drainage pump to stop pumping water;

Controlling the compressor of the integrated air conditioner to operate at a rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to adjust to operate at a rated wind speed;

Wherein, the third set multiple is smaller than the first set multiple, and the fourth set multiple is larger than the second set multiple.
The control method for the drainage device of the integrated air conditioner according to claim 9, characterized in that,

The step of "controlling the drainage pump to draw water until the water level returns to the state of not reaching the second probe" further includes:

controlling the drainage pump to pump water;

When the water level still fails to reach the state of the second probe after the third set time, the integrated air conditioner is controlled to shut down and a water pump failure signal is issued;

and/or,

After the step of "controlling the compressor of the integrated air conditioner to operate at a rated frequency, and/or controlling the outdoor fan of the integrated air conditioner to adjust to operate at a rated wind speed", the control method further includes:

When it is detected again that the water level has reached the state of the third probe again within the fourth set time, the compressor of the integrated air conditioner is controlled to stop, and the outdoor fan of the integrated air conditioner is controlled to run normally. And send abnormal operation signal.