CN108592345B

CN108592345B - Cold air prevention control method and device

Info

Publication number: CN108592345B
Application number: CN201810229913.9A
Authority: CN
Inventors: 吴学伟; 杨华生; 陈毛毛
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-03-20
Filing date: 2018-03-20
Publication date: 2021-02-26
Anticipated expiration: 2038-03-20
Also published as: CN108592345A

Abstract

The invention discloses a cold air prevention control method and a cold air prevention control device. Wherein, the method comprises the following steps: obtaining the static pressure of the air conditioner; and adjusting the cold air prevention time of the air conditioner according to the static pressure. The invention solves the technical problem of poor cold air prevention effect of the air conditioner caused by setting fixed cold air prevention time in the related technology.

Description

Cold air prevention control method and device

Technical Field

The invention relates to the field of air conditioner control, in particular to a cold air prevention control method and a cold air prevention control device.

Background

When the air conditioner needs to be heated and operated, the temperature of the indoor heat exchanger just started is lower, and if the inner fan is directly started at the moment, blown air is cold and uncomfortable to human body, so the air conditioner is generally provided with cold air prevention control.

The existing cold air prevention control mostly sets a fixed cold air prevention time (the cold air prevention time refers to the time from the starting of a compressor of an air conditioner to the starting of an internal motor), however, for some air conditioners, for example, an air duct type air conditioner, the length of an air duct installed in engineering is different, namely different static pressures exist, if the fixed cold air prevention time is set, the too long time can cause the high-voltage protection of a system, and the too short time can cause the blown air of a period of time to be cold air, so that the cold air prevention effect is not good, and the comfort is poor.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The embodiment of the invention provides a cold air prevention control method and a cold air prevention control device, which at least solve the technical problem of poor cold air prevention effect of an air conditioner caused by setting fixed cold air prevention time in the related technology.

According to an aspect of an embodiment of the present invention, there is provided a cold wind prevention control method including: obtaining the static pressure of the air conditioner; and adjusting the cold air prevention time of the air conditioner according to the static pressure.

Optionally, the obtaining the static pressure of the air conditioner comprises: determining the static pressure according to the length of an air pipe of the air conditioner; alternatively, the static pressure of the air conditioner is measured by a sensor.

Optionally, the adjusting the cold air prevention time of the air conditioner according to the static pressure includes: determining a static pressure grade corresponding to the static pressure; searching the longest cold air prevention time corresponding to the static pressure grade from a preset cold air prevention time table; setting the longest cold-proof time as the cold-proof time of the air conditioner.

Optionally, after obtaining the static pressure of the air conditioner, the method further comprises: and adjusting the rotating speed of an internal motor of the air conditioner according to the static pressure, wherein the higher the static pressure is, the higher the rotating speed of the internal motor is.

Optionally, the higher the static pressure, the shorter the cold blast protection time.

Optionally, the air conditioner is a ducted air conditioner.

According to another aspect of the embodiments of the present invention, there is also provided a cold wind prevention control apparatus including: the acquiring unit is used for acquiring the static pressure of the air conditioner; and the adjusting unit is used for adjusting the cold air preventing time of the air conditioner according to the static pressure.

Optionally, the obtaining unit is configured to obtain the static pressure of the air conditioner by: determining the static pressure according to the length of an air pipe of the air conditioner; alternatively, the static pressure of the air conditioner is measured by a sensor.

Optionally, the adjusting unit is configured to perform the following steps to adjust a cold air prevention time of the air conditioner according to the static pressure, including: determining a static pressure grade corresponding to the static pressure; searching the longest cold air prevention time corresponding to the static pressure grade from a preset cold air prevention time table; setting the longest cold-proof time as the cold-proof time of the air conditioner.

Optionally, the adjusting unit is further configured to adjust an internal motor rotation speed of the air conditioner according to the static pressure, wherein the higher the static pressure is, the higher the internal motor rotation speed is.

In the embodiment of the invention, the static pressure of the air conditioner is obtained; according to the static pressure, the mode of preventing cold wind time of the air conditioner is adjusted, the cold wind time of preventing of the air conditioner is adjusted according to different static pressures, the purpose of flexibly controlling the cold wind time is achieved, the technical effects of improving the cold wind preventing effect and the comfort are achieved, and the technical problem that the cold wind preventing effect of the air conditioner is poor due to the fact that the fixed cold wind time preventing time is arranged in the related technology is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic flow diagram of an alternative cold air prevention control method according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an alternative cold air prevention control method according to an embodiment of the invention;

fig. 3 is a schematic structural diagram of an alternative cold-proof control device according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

In accordance with an embodiment of the present invention, there is provided a method embodiment of a cold-blast protection control method, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that presented herein.

Fig. 1 is a cold-wind prevention control method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:

and step S102, acquiring the static pressure of the air conditioner.

In the above step S102 of this embodiment, the air conditioner may be an air duct type air conditioner (also referred to as an air duct type air conditioner). Alternatively, the acquiring of the static pressure of the air conditioner may include: determining static pressure according to the length of an air pipe of the air conditioner; alternatively, the static pressure of the air conditioner is measured by a sensor.

As an optional implementation manner, when a developer develops the duct type air conditioner, a relationship table between the length of the air duct and the static pressure can be obtained according to experiments, the static pressure is divided into a plurality of levels through the relationship table, and each static pressure level corresponds to the length of the air duct within a range. Usually, this relation table will be embodied by means of a specification or a technical service manual, etc., and can be referred to by the user. Generally, the longer the air duct, the higher the static pressure, the shorter the air duct, and the lower the static pressure, i.e. there is a direct relationship between the length of the air duct and the static pressure.

As another alternative, the static pressure of the air conditioner may be automatically detected by a sensor (e.g., a differential pressure sensor) or the like.

And step S104, adjusting the cold air prevention time of the air conditioner according to the static pressure.

In the present embodiment, in step S104, the higher the static pressure is, the shorter the cold wind shielding time is.

Optionally, adjusting the cool air prevention time of the air conditioner according to the static pressure includes: determining a static pressure grade corresponding to the static pressure; searching the longest cold air prevention time corresponding to the static pressure grade from a preset cold air prevention time table; the longest cold air prevention time is set as the cold air prevention time of the air conditioner.

When the air duct machine is installed in a project, the proper static pressure requirement can be determined according to the length of an air duct, the corresponding static pressure grades P1-P9(P1 is the lowest static pressure and P9 is the highest static pressure) and different static pressure grades are set on the line controller according to the actual static pressure requirement, the static pressure grades correspond to different rotating speeds of the inner motor, the rotating speed of the inner motor is adjusted by the unit according to the static pressure grades to meet the requirement of constant air volume, and the comfort of the air conditioner is further improved.

And looking up a table according to table 1 to obtain the longest cold air prevention time according to different static pressure grades.

TABLE 1

Static pressure rating	Maximum cold air prevention time
		P1	30 seconds
P2	25 seconds
		P3	25 seconds
P4	20 seconds
		P5	20 seconds
P6	15 seconds
		P7	15 seconds
P8	10 seconds
		P9	5 seconds

As shown in fig. 2, the cold wind prevention control method of the present embodiment includes the steps of:

and step A, finishing the engineering installation.

And step B, static pressure requirement.

When the air duct machine is installed in an engineering way, the proper static pressure requirement can be determined according to the length of the air duct.

And C, looking up a table to obtain the static pressure grade.

And D, setting a static pressure grade by the wire controller.

A table look-up is used to derive the static pressure levels based on the actual static pressure requirements, and the levels are set on the line controller to correspond to static pressure levels P1-P9(P1 is the lowest static pressure and P9 is the highest static pressure).

And E, adjusting cold air prevention time and the rotating speed of the internal motor according to the static pressure grade.

The air conditioner comprises a set, a plurality of air conditioners and a plurality of air conditioners, wherein the air conditioners are arranged in the set, the static pressure grades correspond to different cold air preventing time and different inner motor rotating speeds, the machine set adjusts the inner motor rotating speed according to the.

The static pressure level may be set on the line controller at the time of installation, or may be automatically detected by means of a differential pressure sensor or the like.

Through the steps, the cold wind prevention time and the inner motor rotating speed of the air conditioner are adjusted according to different static pressures, and the purpose of flexibly controlling the cold wind prevention time is achieved, so that the technical effects of improving the cold wind prevention effect and the comfort are achieved, the heating comfort can be improved, the high-voltage protection of the system can be avoided, and the technical problem that the cold wind prevention effect of the air conditioner is poor due to the fact that the fixed cold wind prevention time is arranged in the related technology is solved.

Example 2

According to an embodiment of the present invention, there is provided an embodiment of a cold air prevention control apparatus, and fig. 3 is a cold air prevention control apparatus according to an embodiment of the present invention, as shown in fig. 3, the apparatus including:

an obtaining unit 302 for obtaining a static pressure of the air conditioner;

and the adjusting unit 304 is used for adjusting the cold air preventing time of the air conditioner according to the static pressure.

Optionally, the obtaining unit 302 is configured to obtain the static pressure of the air conditioner by: determining the static pressure according to the length of an air pipe of the air conditioner; alternatively, the static pressure of the air conditioner is measured by a sensor.

Optionally, the adjusting unit 304 is configured to perform the following steps, wherein adjusting the cold air prevention time of the air conditioner according to the static pressure comprises: determining a static pressure grade corresponding to the static pressure; searching the longest cold air prevention time corresponding to the static pressure grade from a preset cold air prevention time table; setting the longest cold-proof time as the cold-proof time of the air conditioner.

This embodiment, through the static pressure according to the difference adjust the air conditioner prevent cold wind time, reached the purpose that the cold wind time was prevented in nimble control to realized improving the technological effect of preventing cold wind effect and travelling comfort, and then solved because set up the not good technical problem of cold wind effect of preventing of the air conditioner that fixed cold wind time caused in the correlation technique.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A cold wind prevention control method, comprising:

obtaining the static pressure of the air conditioner;

adjusting the cold air prevention time of the air conditioner according to the static pressure;

wherein the higher the static pressure is, the shorter the cold wind prevention time is.

2. The method of claim 1, wherein the obtaining the static pressure of the air conditioner comprises:

determining the static pressure according to the length of an air pipe of the air conditioner; or,

the static pressure of the air conditioner is measured by a sensor.

3. The method of claim 1, wherein adjusting a cold air protection time of an air conditioner based on the static pressure comprises:

determining a static pressure grade corresponding to the static pressure;

searching the longest cold air prevention time corresponding to the static pressure grade from a preset cold air prevention time table;

setting the longest cold-proof time as the cold-proof time of the air conditioner.

4. The method of claim 1, wherein after obtaining the static pressure of the air conditioner, the method further comprises:

and adjusting the rotating speed of an internal motor of the air conditioner according to the static pressure, wherein the higher the static pressure is, the higher the rotating speed of the internal motor is.

5. The method according to any one of claims 1 to 4, wherein the air conditioner is a duct air conditioner.

6. A cold-air-proof control device, comprising:

the acquiring unit is used for acquiring the static pressure of the air conditioner;

the adjusting unit is used for adjusting the cold air preventing time of the air conditioner according to the static pressure;

7. The apparatus of claim 6, wherein the obtaining unit is configured to obtain the static pressure of the air conditioner by:

the static pressure of the air conditioner is measured by a sensor.

8. The apparatus of claim 6, wherein the adjusting unit is configured to perform the following steps of adjusting a cold air prevention time of the air conditioner according to the static pressure, including:

determining a static pressure grade corresponding to the static pressure;

9. The apparatus of claim 6,

the adjusting unit is further used for adjusting the rotating speed of an inner motor of the air conditioner according to the static pressure, wherein the higher the static pressure is, the higher the rotating speed of the inner motor is.