CN111306694A - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN111306694A CN111306694A CN201911128436.8A CN201911128436A CN111306694A CN 111306694 A CN111306694 A CN 111306694A CN 201911128436 A CN201911128436 A CN 201911128436A CN 111306694 A CN111306694 A CN 111306694A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 161
- 238000000034 method Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 432
- 238000009835 boiling Methods 0.000 claims abstract description 59
- 230000002159 abnormal effect Effects 0.000 claims description 48
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005856 abnormality Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioning system and a control method thereof. The air conditioning system comprises a first water pump and a second water pump, and the control method comprises the following steps: presetting a first condition and a second condition which are alternately met by an air conditioning system; after a boiling water pump instruction is generated, judging whether the air conditioning system currently meets a first condition or a second condition; when the air conditioning system meets a first condition at present, controlling a first water pump to be started; and when the air conditioning system currently meets the second condition, controlling the second water pump to be started. According to the invention, the problem of service life reduction of the water pump caused by a water pump control mode of the air-conditioning system is solved, so that the main water pump and the standby water pump in the air-conditioning system are alternately used, and the effect of prolonging the service life of the water pump is achieved.
Description
The application is a divisional application of a patent application with the application date of 2017, 11 and 10 months and the application number of 201711107647.4 and the name of 'an air conditioning system and a control method thereof'.
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioning system and a control method thereof.
Background
Among the current commercial air conditioning system, two water pumps can all be installed to the water system generally, and a water pump is main water pump for normal use at ordinary times, and another water pump is reserve water pump, when main water pump breaks down and can not normal use, replaces main water pump through reserve water pump and uses. The mode excessively depends on the operation of the main water pump, and the standby water pump is in an idle state for a long time, so that the main water pump runs too hard, the standby water pump is too long in idle time, and the service life of the standby water pump is greatly reduced.
Aiming at the problem that the service life of a water pump is shortened due to a water pump control mode of an air conditioning system in the related art, an effective solution is not provided at present.
Disclosure of Invention
The invention provides an air conditioning system and a control method thereof, which at least solve the problem of the reduction of the service life of a water pump caused by a water pump control mode of the air conditioning system in the prior art.
In order to solve the above technical problem, according to an aspect of an embodiment of the present invention, there is provided a control method of an air conditioning system including a first water pump and a second water pump, the control method including: presetting a first condition and a second condition which are alternately met by the air conditioning system; after a boiled water pump instruction is generated, judging whether the air conditioning system currently meets the first condition or the second condition; when the air conditioning system currently meets the first condition, controlling the first water pump to be started; and when the air conditioning system currently meets the second condition, controlling the second water pump to be started.
Further, after the step of controlling the first water pump to be turned on, the method further includes: replacing the information in the history boiling water pump record with the information of the first water pump in the history boiling water pump record; after the step of controlling the second water pump to be turned on, the method further includes: replacing the information in the historical boiling water pump record with the information of the second water pump in the historical boiling water pump record; after the boiled water pump instruction is generated, the specific way of judging whether the air conditioning system currently meets the first condition or the second condition includes: after the boiling water pump instruction is generated, whether the information in the historical boiling water pump record is the information of the first water pump or the information of the second water pump is judged, wherein when the information in the historical boiling water pump record is the information of the second water pump, the air conditioning system currently meets the first condition, and when the information in the historical boiling water pump record is the information of the first water pump, the air conditioning system currently meets the second condition.
Further, after the step of controlling the first water pump to be turned on and after the step of controlling the second water pump to be turned on, the method further includes: adding 1 to a frequency statistic value for counting the generation frequency of the boiling water pump instruction; after the boiled water pump instruction is generated, the specific way of judging whether the air conditioning system currently meets the first condition or the second condition includes: after the boiled water pump instruction is generated, whether the number of times statistic is an odd number or an even number is judged, wherein when the number of times statistic is the odd number, the air conditioning system currently meets the first condition, and when the number of times statistic is the even number, the air conditioning system currently meets the second condition.
Further, after generating the boiled water pump instruction, the specific way of judging whether the air conditioning system currently satisfies the first condition or the second condition includes: after the boiling water pump instruction is generated, whether the current month is an odd month or an even month is judged, wherein when the current month is the odd month, the air conditioning system currently meets the first condition, and when the current month is the even month, the air conditioning system currently meets the second condition.
Further, the method further comprises: when the first water pump is in an on state, timing on the basis of a first time statistic value for counting the running time of the first water pump, and when the second water pump is in an on state, timing on the basis of a second time statistic value for counting the running time of the second water pump; after the boiled water pump instruction is generated, the specific way of judging whether the air conditioning system currently meets the first condition or the second condition includes: after the boiling water pump instruction is generated, judging the size relationship between the first time statistic and the second time statistic and a preset time length, wherein when the first time statistic is greater than 0 and smaller than the preset time length, or the second time statistic is greater than or equal to the preset time length, the air-conditioning system currently meets the first condition, and when the second time statistic is greater than 0 and smaller than the preset time length, or the first time statistic is greater than or equal to the preset time length, the air-conditioning system currently meets the second condition; after the first water pump is started, the method further comprises the step of setting the second time statistic value to zero; after the second water pump is started, the method further comprises setting the first time statistic value to zero.
Further, characterized in that the method further comprises: detecting whether the running state of the first water pump is normal or not when the first water pump is started, and controlling the first water pump to be closed and controlling the second water pump to be started if the running state of the first water pump is abnormal; and detecting whether the running state of the second water pump is normal or not when the second water pump is started, and controlling the second water pump to be closed and controlling the first water pump to be started if the running state of the second water pump is abnormal.
Further, the method further comprises: when the running state of the first water pump is abnormal, writing abnormal information of the first water pump into a water pump running state record, and when the running state of the second water pump is abnormal, writing abnormal information of the second water pump into the water pump running state record; after the boiling water pump instruction is generated, reading a running state record of the water pump before judging whether the air conditioning system currently meets the first condition or the second condition; when the information that the first water pump is abnormal is recorded in the water pump running state record, controlling the second water pump to be started, and when the information that the second water pump is abnormal is recorded in the water pump running state record, controlling the first water pump to be started; and executing the step of judging whether the air conditioning system currently meets the first condition or the second condition only when the running state record of the water pump is a null record.
To solve the above technical problem, according to another aspect of an embodiment of the present invention, there is provided an air conditioning system including: a host; the first water pump and the second water pump are respectively connected with the host; a plurality of terminals respectively connected to the host; wherein the host comprises a controller configured to perform the steps of: presetting a first condition and a second condition which are alternately met by the air conditioning system, judging whether the air conditioning system currently meets the first condition or the second condition after generating a boiling water pump instruction, controlling the first water pump to be started when the air conditioning system currently meets the first condition, and controlling the second water pump to be started when the air conditioning system currently meets the second condition.
Further, the controller is further configured to: adding 1 to a number counting value for counting the generation times of the boiling water pump instruction after the step of controlling the first water pump to be started and the step of controlling the second water pump to be started; after the boiled water pump instruction is generated, whether the number of times statistic is an odd number or an even number is judged, wherein when the number of times statistic is the odd number, the air conditioning system currently meets the first condition, and when the number of times statistic is the even number, the air conditioning system currently meets the second condition.
Further, the controller is further configured to perform the steps of: after the boiling water pump instruction is generated, whether the current month is an odd month or an even month is judged, wherein when the current month is the odd month, the air conditioning system currently meets the first condition, and when the current month is the even month, the air conditioning system currently meets the second condition.
The method comprises the steps that a first condition and a second condition which are alternately met by an air conditioning system are preset, and meanwhile, after a boiling water pump instruction is generated, when a first water pump or a second water pump is determined to be started, the first condition or the second condition which is currently met by the air conditioning system is judged, and then when the first condition is currently met by the air conditioning system, the first water pump is controlled to be started; when the air conditioning system meets the second condition at present, the second water pump is controlled to be started, the first water pump and the second water pump are alternately operated, the overworked operation of one of the water pumps can be avoided, and the long-time idle operation of the other water pump can be avoided, so that the service life of the water pump is prolonged.
Drawings
Fig. 1 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 1 of the present invention;
fig. 2 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 2 of the present invention;
fig. 3 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 3 of the present invention;
fig. 4 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 4 of the present invention;
fig. 5 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 5 of the present invention;
fig. 6 is a flowchart illustrating steps of a control method of an air conditioning system according to embodiment 6 of the present invention;
fig. 7 is a schematic structural diagram of an air conditioning system according to embodiment 7 of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Current commercial air conditioning system, use and break down for a long time when the main water pump, when needing reserve water pump to replace the main water pump, the condition that reserve water pump also breaks down very fast often can appear, through the research discovery of the inventor, the machine ageing problem that the reason that reserve water pump breaks down is mostly idle for a long time and leads to, and the main water pump breaks down the reason and is mostly for the excessive wearing and tearing problem of the machine that long-time operation leads to, based on above research, this application proposes a new technical scheme, the control method about water pump operation among the current commercial air conditioning system has been changed, realize the alternate operation of two water pumps, both avoid a long-time operation of water pump, avoid another water pump to idle for a long time again, the life of two water pumps has greatly been improved. With regard to the technical solutions proposed in the present application, the following embodiments will be explained in detail.
Example 1
Embodiment 1 of the present invention provides a control method for an air conditioning system, where the air conditioning system related to the control method includes at least two water pumps, and for convenience of description, in this embodiment, any two water pumps in the air conditioning system are named as a first water pump and a second water pump, and fig. 1 is a flowchart of steps of the control method for the air conditioning system according to embodiment 1 of the present invention, and as shown in fig. 1, the control method includes the following steps S101 to S104.
Step S101: the method comprises the steps of presetting a first condition and a second condition which are alternately met by an air conditioning system.
The first condition and the second condition which are alternately met by the air conditioning system can be preset by a manufacturer before the air conditioning system leaves a factory, or the first condition and the second condition which are alternately met by the air conditioning system can be preset by a dealer after-sale service when the air conditioning system is installed and debugged, or the first condition and the second condition which are alternately met by the air conditioning system can be preset by a user in the using process of the air conditioning system.
The first condition and the second condition may be set according to the operation time of the water pump, the operation times of the water pump, or the natural time, and in short, the first condition and the second condition are alternately satisfied for the air conditioning system.
Step S102: and after the boiled water pump instruction is generated, judging whether the air conditioning system currently meets a first condition or a second condition.
In the running process of the air conditioning system, when the water pump needs to be started, a boiled water pump instruction is generated. In the prior art, only a single water pump is in a state of being connected into an air conditioning system, when the air conditioning system is normal, a main water pump is connected into the air conditioning system, a boiling water pump instruction is directly applied to the main water pump, when the main water pump breaks down, the main water pump is removed from the air conditioning system, a standby water pump is connected into the air conditioning system, and the boiling water pump instruction is directly applied to the standby water pump.
In this embodiment, the first water pump and the second water pump are simultaneously connected to the air conditioning system, so that after the boiling water pump instruction is generated, it is first determined whether the current air conditioning system satisfies the first condition or the second condition to determine which water pump the boiling water pump instruction is to be applied to, i.e., which water pump is to be controlled to be turned on.
Step S103: and when the air conditioning system currently meets the first condition, controlling the first water pump to be started.
Step S104: and when the air conditioning system currently meets the second condition, controlling the second water pump to be started.
In the embodiment, the first condition and the second condition which are alternately met by the air conditioning system are preset, so that which water pump is controlled to be started is determined by judging which condition is currently met by the air conditioning system, the first water pump and the second water pump can be started alternately, long-time running of one water pump is avoided, long-time idle of the other water pump is avoided, and the service lives of the two water pumps are greatly prolonged.
Example 2
Embodiment 2 of the present invention provides a preferable control method of an air conditioning system based on embodiment 1, and reference is made to embodiment 1 in the related description, and fig. 2 is a flowchart illustrating steps of the control method of the air conditioning system according to embodiment 2 of the present invention, and as shown in fig. 2, the control method includes steps S201 to S209 as follows.
Step S201: the method comprises the steps of presetting a first condition and a second condition which are alternately met by an air conditioning system.
Step S202: and after a boiling water pump instruction is generated, reading the running state record of the water pump.
The air conditioning system is pre-stored with a water pump running state record used for recording whether the water pump is abnormal or not, when no water pump is abnormal, the water pump running state record is an empty record, when the first water pump is abnormal, the abnormal information of the first water pump is written into the water pump running state record until the first water pump is restored to a normal state after being maintained, and the abnormal information of the first water pump in the water pump running state record is deleted; similarly, when the second water pump is abnormal, the abnormal information of the second water pump is written into the running state record of the water pump until the second water pump is restored to the normal state after maintenance, and the abnormal information of the second water pump in the running state record of the water pump is deleted.
Therefore, by reading the water pump operation state record, it can be determined whether an abnormal water pump exists in the current air conditioning system and which water pump is the abnormal water pump.
Step S203: and when the information that the first water pump is abnormal is recorded in the running state record of the water pump, controlling the second water pump to be started.
When the information that the first water pump is abnormal is recorded in the water pump running state record, the first water pump in the current air-conditioning system is indicated to be an abnormal water pump and cannot normally participate in the running of the air-conditioning system, and at the moment, the second water pump is directly controlled to be started.
Step S204: and when the information that the second water pump is abnormal is recorded in the running state record of the water pump, controlling the first water pump to be started.
When the information that the second water pump is abnormal is recorded in the water pump running state record, the second water pump in the current air-conditioning system is indicated to be an abnormal water pump and cannot normally participate in the running of the air-conditioning system, and at the moment, the first water pump is directly controlled to be started.
Step S205: and when the running state record of the water pump is an empty record, judging whether the air-conditioning system currently meets a first condition or a second condition.
When no abnormal information of the water pump is recorded in the water pump running state record, the fact that the first water pump and the second water pump in the air conditioning system are normal at present is indicated, at the moment, which water pump runs is determined according to whether the air conditioning system meets the first condition or the second condition at present, and the first water pump and the second water pump are made to run alternately according to the setting of the first condition and the second condition.
Step S206: and when the air conditioning system currently meets the first condition, controlling the first water pump to be started.
Step S207: and when the air conditioning system currently meets the second condition, controlling the second water pump to be started.
Step S208: and detecting whether the running state of the first water pump is normal or not, controlling the first water pump to be closed and controlling the second water pump to be opened if the running state of the first water pump is abnormal, and writing abnormal information of the first water pump into the running state record of the water pump.
The method comprises the steps that whether the running state of a first water pump is normal or not is detected in real time in the starting process of the first water pump, the first water pump is controlled to be closed in time when the running state of the first water pump is abnormal, the second water pump is switched to be started to run, in the running state record of the water pump, the abnormal information of the first water pump is recorded, and when a water pump starting instruction is formed next time, the second water pump is directly started by reading the running state record of the water pump.
Step S209: and detecting whether the running state of the second water pump is normal or not, controlling the second water pump to be closed and controlling the first water pump to be opened if the running state of the second water pump is abnormal, and writing information of the abnormality of the second water pump into the running state record of the water pump.
And in the process of starting the second water pump, detecting whether the running state of the second water pump is normal or not in real time, controlling the second water pump to be closed in time when the running state of the second water pump is abnormal, switching to the starting operation of the first water pump, recording the abnormal information of the second water pump in the running state record of the water pump, and directly starting the first water pump by reading the running state record of the water pump when a water pump starting instruction is generated next time.
In the embodiment, the water pump running state record is set to record the abnormal water pump, after the boiled water pump instruction is generated, the content of the water pump running state record is firstly read, the boiled water pump instruction is applied to the water pump running normally, the running state of the water pump is detected in real time in the running process of the water pump, if the running water pump is abnormal, the normal water pump can be timely switched to run, and the normal and smooth running of the air conditioning system is ensured.
Example 3
Embodiment 3 of the present invention provides a more specific control method of an air conditioning system on the basis of the above embodiments 1 and 2, and the related description can refer to the above embodiments 1 and 2, and fig. 3 is a flowchart of steps of the control method of the air conditioning system according to embodiment 3 of the present invention, and as shown in fig. 3, the control method includes the following steps S301 to S306.
Step S301: the method comprises the steps of presetting a first condition and a second condition which are alternately met by an air conditioning system.
In the embodiment, a history boiling water pump record is set, information of a water pump is recorded in the history boiling water pump record, and after the water pump is boiled each time, the information of the water pump in the history boiling water pump record is replaced by the current water pump information.
When the information in the history boiling water pump record is the information of the second water pump, the air conditioning system currently meets a first condition, and when the information in the history boiling water pump record is the information of the first water pump, the air conditioning system currently meets a second condition.
Step S302: after the boiling water pump instruction is generated, whether the information in the history boiling water pump record is the information of the first water pump or the information of the second water pump is judged.
Step S303: and when the information in the history boiling water pump record is the information of the second water pump, controlling the first water pump to be started.
Step S304: and in the historical boiling water pump record, replacing the information in the historical boiling water pump record with the information of the first water pump.
Step S305: when the information in the history boiling water pump record is the information of the first water pump, controlling the second water pump to be started;
step S306: and in the historical boiling water pump record, replacing the information in the historical boiling water pump record with the information of the second water pump.
In this embodiment, by setting the historical boiling water pump record, two consecutive generated boiling water pump instructions are applied to different water pumps.
Example 4
Embodiment 4 of the present invention provides a more specific control method of an air conditioning system on the basis of the above embodiments 1 and 2, and reference is made to the above embodiments 1 and 2 for the relevant description, and fig. 4 is a flowchart of steps of the control method of the air conditioning system of embodiment 4 of the present invention, and as shown in fig. 4, the control method includes the following steps S401 to S405.
Step S401: the method comprises the steps of presetting a first condition and a second condition which are alternately met by an air conditioning system.
In this embodiment, the number of times of operation of the water pump is counted, and 1 is added to the number of times counted every time the water pump is operated.
When the number of times statistic is an odd number, the air conditioning system currently meets a first condition, and when the number of times statistic is an even number, the air conditioning system currently meets a second condition.
Step S402: after the boiled water pump instruction is generated, whether the frequency statistic value is an odd number or an even number is judged.
Step S403: and when the times counting value is an odd number, controlling the first water pump to be started.
Step S404: and when the times counting value is an even number, controlling the second water pump to be started.
Step S405: and adding 1 to the number counting value for counting the generation times of the boiling water pump instructions.
In the embodiment, running times of the water pumps are counted, so that the boiling water pump instructions generated in two adjacent times are applied to different water pumps.
Example 5
Embodiment 5 of the present invention provides a more specific control method of an air conditioning system on the basis of the above embodiments 1 and 2, and reference is made to the above embodiments 1 and 2 for the relevant description, and fig. 5 is a flowchart of steps of the control method of the air conditioning system according to embodiment 5 of the present invention, and as shown in fig. 5, the control method includes the following steps S501 to S504.
Step S501: presetting a first condition and a second condition which are alternately met by an air conditioning system;
in this embodiment, the air conditioning system is also provided with the regional time of the installation site. When the current month is an odd month, the air conditioning system currently meets a first condition, and when the current month is an even month, the air conditioning system currently meets a second condition.
Step S502: after generating the boiling water pump instruction, judging whether the current month is an odd month or an even month.
Step S503: and when the current month is an odd month, controlling the first water pump to be started.
Step S504: and when the current month is an even month, controlling the second water pump to be started.
In this embodiment, through the natural time, in two adjacent months, different water pumps are operated, that is, the first water pump and the second water pump are alternately operated with the natural month as a period.
Example 6
Embodiment 6 of the present invention provides a more specific control method of an air conditioning system on the basis of the above embodiments 1 and 2, and the related description can refer to the above embodiments 1 and 2, and fig. 6 is a flowchart of steps of the control method of the air conditioning system of embodiment 6 of the present invention, and as shown in fig. 6, the control method includes the following steps S601 to S606.
Step S601: presetting a first condition and a second condition which are alternately met by an air conditioning system;
in this embodiment, the running time of the water pump is counted, the first time statistic value is set to count the running time of the first water pump, the second time statistic value is set to count the running time of the second water pump, and the zero clearing is performed when the first time statistic value reaches the predetermined time, and the zero clearing is also performed when the second time statistic value reaches the predetermined time.
When the first time statistic value is greater than 0 and less than the preset time length, or the second time statistic value is greater than or equal to the preset time length, the air-conditioning system currently meets the first condition, and when the second time statistic value is greater than 0 and less than the preset time length, or the first time statistic value is greater than or equal to the preset time length, the air-conditioning system currently meets the second condition.
Step S602: and after the boiling water pump instruction is generated, judging the size relationship between the first time statistic value and the preset time length and the second time statistic value.
Step S603: and when the first time statistic value is greater than 0 and less than the preset time length, or the second time statistic value is greater than or equal to the preset time length, controlling the first water pump to be started.
The first time statistic value is greater than 0 and less than the preset time length, which indicates that the running time of the first water pump does not reach the preset time length, and the first water pump still needs to be started; when the second time statistic value is larger than or equal to the preset time length, the running time of the second water pump reaches the preset time length, and at the moment, the first water pump needs to be started.
Step S604: setting the second time statistic value to 0, and timing on the basis of the first time statistic value.
After the first water pump is started, except for timing on the basis of the first time statistic value, the second time statistic value is set to be 0, and for the condition that the first water pump is started when the second time statistic value is larger than or equal to the preset time length, the second time statistic value is set to be 0 in time, and timing is carried out on the basis of the second time statistic value until the second water pump is started when the first time statistic value is larger than or equal to the preset time length.
Step S605: and when the second time statistic value is greater than 0 and less than the preset time length, or the first time statistic value is greater than or equal to the preset time length, controlling the second water pump to be started.
The second time statistic value is greater than 0 and less than the preset time, which indicates that the running time of the second water pump does not reach the preset time, and the second water pump still needs to be started; when the first time statistic value is larger than or equal to the preset time length, the running time of the first water pump reaches the preset time length, and at the moment, the second water pump needs to be started.
Step S606: setting the first time statistic value to 0, and timing on the basis of the second time statistic value.
After the second water pump is started, except for timing on the basis of the second time statistic value, the first time statistic value is set to be 0, and for the condition that the second water pump is started when the first time statistic value is larger than or equal to the preset time length, the first time statistic value is set to be 0 in time, and timing is performed on the basis of the first time statistic value until the first water pump is started when the second time statistic value is larger than or equal to the preset time length.
In the embodiment, on one hand, the time for alternately operating the first water pump and the second water pump is relatively close to the preset time length, and the first water pump and the second water pump alternately operate at the optimal operation time and the optimal placement time of the water pumps, and on the other hand, the first water pump and the second water pump are prevented from being switched after a boiling water pump instruction to influence the operation of the air conditioning system.
Example 7
Fig. 7 is a schematic structural diagram of an air conditioning system according to embodiment 7 of the present invention, as shown in fig. 7, the air conditioning system includes a main unit 50, a first water pump 30, a second water pump 40, a plurality of terminals, and an expansion tank 10 as illustrated in the drawing by taking a first terminal 21, a second terminal 22, and a third terminal 23 as examples.
The first and second water pumps 30 and 40 are respectively connected to a main unit 50, and a plurality of ends are respectively connected to the main unit 50, wherein the main unit 50 includes a controller configured to perform the steps of: the method comprises the steps of presetting a first condition and a second condition which are alternately met by an air conditioning system, judging whether the air conditioning system currently meets the first condition or the second condition after generating a boiling water pump instruction, controlling a first water pump to be started when the air conditioning system currently meets the first condition, and controlling a second water pump to be started when the air conditioning system currently meets the second condition.
In the embodiment, the first condition and the second condition which are alternately met by the air conditioning system are preset, so that which water pump is controlled to be started is determined by judging which condition is currently met by the air conditioning system, the first water pump and the second water pump can be started alternately, long-time running of one water pump is avoided, long-time idle of the other water pump is avoided, and the service lives of the two water pumps are greatly prolonged.
Preferably, the controller is further configured to perform the steps of: after the step of controlling the first water pump to be started and the step of controlling the second water pump to be started, adding 1 to a frequency counting value for counting the generation frequency of the boiling water pump instruction; after a boiling water pump instruction is generated, whether the frequency statistic is an odd number or an even number is judged, wherein when the frequency statistic is the odd number, the air conditioning system currently meets a first condition, and when the frequency statistic is the even number, the air conditioning system currently meets a second condition.
Preferably, the controller is further configured to perform the steps of: after a boiling water pump instruction is generated, whether the current month is an odd month or an even month is judged, wherein when the current month is the odd month, the air conditioning system currently meets a first condition, and when the current month is the even month, the air conditioning system currently meets a second condition.
Preferably, the controller is further configured to perform the steps of: after the step of controlling the first water pump to be started, replacing information in the history boiling water pump record with information of the first water pump in the history boiling water pump record; after the step of controlling the second water pump to be started, replacing information in the history boiling water pump record with information of the second water pump in the history boiling water pump record; after a boiling water pump instruction is generated, whether the information in the historical boiling water pump record is the information of the first water pump or the information of the second water pump is judged, wherein when the information in the historical boiling water pump record is the information of the second water pump, the air conditioning system currently meets a first condition, and when the information in the historical boiling water pump record is the information of the first water pump, the air conditioning system currently meets a second condition.
Preferably, the controller is further configured to perform the steps of: when the first water pump is in an open state, timing on the basis of a first time statistic value for counting the running time of the first water pump, and when the second water pump is in an open state, timing on the basis of a second time statistic value for counting the running time of the second water pump; after a boiling water pump instruction is generated, judging the size relationship between a first time statistic value and a second time statistic value and a preset time length, wherein when the first time statistic value is larger than 0 and smaller than the preset time length, or the second time statistic value is larger than or equal to the preset time length, the air-conditioning system currently meets a first condition, and when the second time statistic value is larger than 0 and smaller than the preset time length, or the first time statistic value is larger than or equal to the preset time length, the air-conditioning system currently meets a second condition; after the first water pump is started, setting the second time statistic value to zero; and after the second water pump is started, setting the first time statistic value to zero.
Preferably, the controller is further configured to perform the steps of: detecting whether the running state of the first water pump is normal or not when the first water pump is started, and controlling the first water pump to be closed and controlling the second water pump to be started if the running state of the first water pump is abnormal; and detecting whether the running state of the second water pump is normal or not when the second water pump is started, and controlling the second water pump to be closed and controlling the first water pump to be started if the running state of the second water pump is abnormal.
Preferably, the controller is further configured to perform the steps of: when the running state of the first water pump is abnormal, writing abnormal information of the first water pump into the running state record of the water pump, and when the running state of the second water pump is abnormal, writing abnormal information of the second water pump into the running state record of the water pump; after a boiling water pump instruction is generated, reading a running state record of a water pump before judging whether an air conditioning system currently meets a first condition or a second condition; when the information of the abnormality of the first water pump is recorded in the record of the running state of the water pump, the second water pump is controlled to be started, and when the information of the abnormality of the second water pump is recorded in the record of the running state of the water pump, the first water pump is controlled to be started; and only when the running state record of the water pump is the empty record, executing the step of judging whether the air-conditioning system currently meets the first condition or the second condition.
In summary, the embodiments of the present invention have the following technical effects:
two water pump resources of make full use of let two water pumps work in turn, undertake waterway cycle work simultaneously, the life of extension water pump.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A control method of an air conditioning system, the air conditioning system including a first water pump and a second water pump, the control method comprising:
presetting a first condition and a second condition which are alternately met by the air conditioning system;
after a boiling water pump instruction is generated, judging whether the air conditioning system currently meets the first condition or the second condition according to the size relation between a first time statistic value and a second time statistic value and a preset time length;
when the air conditioning system currently meets the first condition, controlling the first water pump to be started;
and when the air conditioning system currently meets the second condition, controlling the second water pump to be started.
2. The control method of an air conditioning system according to claim 1,
when the first time statistic value is greater than 0 and less than the preset time length, or the second time statistic value is greater than or equal to the preset time length, the air-conditioning system currently meets the first condition;
and when the second time statistic value is greater than 0 and less than the preset time length, or the first time statistic value is greater than or equal to the preset time length, the air conditioning system currently meets the second condition.
3. The control method of an air conditioning system according to claim 1,
the method further comprises the following steps: when the first water pump is in an on state, timing is performed on the basis of a first time statistic value used for counting the running time of the first water pump, and when the second water pump is in an on state, timing is performed on the basis of a second time statistic value used for counting the running time of the second water pump.
4. The method of claim 1, wherein after the first water pump is turned on, the method further comprises: zeroing the second time statistic;
after the second water pump is started, the method further comprises setting the first time statistic value to zero.
5. The control method of an air conditioning system according to any one of claims 1 to 4, characterized by further comprising:
detecting whether the running state of the first water pump is normal or not when the first water pump is started, and controlling the first water pump to be closed and controlling the second water pump to be started if the running state of the first water pump is abnormal;
and detecting whether the running state of the second water pump is normal or not when the second water pump is started, and controlling the second water pump to be closed and controlling the first water pump to be started if the running state of the second water pump is abnormal.
6. The control method of an air conditioning system according to claim 5, characterized by further comprising:
when the running state of the first water pump is abnormal, writing abnormal information of the first water pump into a water pump running state record, and when the running state of the second water pump is abnormal, writing abnormal information of the second water pump into the water pump running state record;
after the boiling water pump instruction is generated, reading a running state record of the water pump before judging whether the air conditioning system currently meets the first condition or the second condition;
when the information that the first water pump is abnormal is recorded in the water pump running state record, controlling the second water pump to be started, and when the information that the second water pump is abnormal is recorded in the water pump running state record, controlling the first water pump to be started;
and executing the step of judging whether the air conditioning system currently meets the first condition or the second condition only when the running state record of the water pump is a null record.
7. An air conditioning system, comprising:
a host;
the first water pump and the second water pump are respectively connected with the host;
a plurality of terminals respectively connected to the host;
wherein the host comprises a controller configured to perform the steps of:
presetting a first condition and a second condition which are alternately met by the air conditioning system, judging whether the air conditioning system currently meets the first condition or the second condition according to the size relation between a first time statistic value and a second time statistic value and a preset duration after a boiled water pump instruction is generated, controlling the first water pump to be started when the air conditioning system currently meets the first condition, and controlling the second water pump to be started when the air conditioning system currently meets the second condition.
8. The air conditioning system of claim 7, wherein the controller is further configured to perform the steps of: after a boiling water pump instruction is generated, judging the size relationship between a first time statistic value and a predetermined time length and a second time statistic value, wherein when the first time statistic value is larger than 0 and smaller than the predetermined time length, or the second time statistic value is larger than or equal to the predetermined time length, the air-conditioning system currently meets a first condition, and when the second time statistic value is larger than 0 and smaller than the predetermined time length, or the first time statistic value is larger than or equal to the predetermined time length, the air-conditioning system currently meets a second condition.
9. The air conditioning system of claim 7, wherein the controller is further configured to perform the steps of: when the first water pump is in the starting state, timing is carried out on the basis of a first time statistic value used for counting the running time of the first water pump, and when the second water pump is in the starting state, timing is carried out on the basis of a second time statistic value used for counting the running time of the second water pump.
10. The air conditioning system of claim 7, wherein the controller is further configured to perform the steps of:
after the first water pump is started, setting the second time statistic value to zero; and after the second water pump is started, setting the first time statistic value to zero.
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| CN201711107647.4A CN107940692B (en) | 2017-11-10 | 2017-11-10 | Air conditioning system and control method thereof |
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| CN107940692A (en) | 2018-04-20 |
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Application publication date: 20200619 |