CN105823120A - Fault judging and handling method and system for target current switch of water system - Google Patents
Fault judging and handling method and system for target current switch of water system Download PDFInfo
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- CN105823120A CN105823120A CN201610172291.1A CN201610172291A CN105823120A CN 105823120 A CN105823120 A CN 105823120A CN 201610172291 A CN201610172291 A CN 201610172291A CN 105823120 A CN105823120 A CN 105823120A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention provides a fault judging and handling method for a target current switch of a water system. The method includes the following steps that S1, after the water system receives a start-up instruction, a water pump is forcibly stopped operating, and the state of the target current switch is collected; and S2, the fault state of the water system is judged according to the state of the target current switch. Due to the facts that the water pump is forcibly stopped operating firstly, and then the fault state of the water system is judged according to the state of the target current switch when the state that no water exists in the water system is ensured, the situations that as the state of the target current switch is made to be always displayed as closed due to direct short connection of the target current switch, system misjudgment is caused, and the water system operates with less water and even with no water are avoided.
Description
Technical field
The present invention relates to water technical field of system control, the fault verification processing method of a kind of water system target stream switch and system.
Background technology
Existing frequency conversion little water machine product, central heating product, when judging that system discharge is the most enough, is all to use target stream switch to set a fixing water flow value.When what when water pump starts running, the current of system produced is short of power so that the washer of water flow switch is driven the position that can be closed by magnetic reed switch; now the signal of target stream switch feedback "off" is to master control borad; show that the discharge of now system does not reaches the minimum discharge of requirement; now compressor can not be started shooting; system needs to protect; needs carry out emptying operation or strengthen water pump make discharge increase after make target stream switch Guan Bi after; feedback " closed " signal is to master control borad, and now compressor could be opened.But in actual installation process or in running, when this problem occurs, there is the signal short circuit that target stream directly will be switched on master control borad by a lot of installation personnel or after-sales service personnel, accordingly even when what target stream switch was now off, but mainboard also can receive the signal of " closed " always.Target stream switch loses the effect of protection, and unit operation under few current even non-water flow state can exist great potential safety hazard.
Summary of the invention
The present invention provides the fault verification processing method and system that a kind of water system target stream switchs, and judges inaccurate solving above-mentioned water system troubleshooting, causes the technical problem run under few current even non-water flow state.
In order to solve above-mentioned technical problem, the present invention provides the fault verification processing method that a kind of water system target stream switchs, and comprises the following steps:
Step S1, after described water system receives start-up command, forces to stop pump working, gathers target stream on off state；
Step S2, judges the malfunction of water system according to described target stream on off state.
The invention has the beneficial effects as follows: by first forcing stopping pump working, really under the state not having water in water retention system, the malfunction of water system is judged again by target stream on off state, avoid direct short circuit target stream switch, make its state be shown as closure state always, cause system to judge by accident, be that water system is run under few current even non-water flow state.
Further, described step S2 specifically includes:
Described target stream on off state is that target stream switchs the first state, is continuous closure state when described target stream switchs the first state, and the very first time T1 of described continuous closure state is more than the first preset time t 1, then judge the described water system failure；Otherwise, perform step S21, open water pump, gather target stream and switch the second state；
Step S22, switchs the second state according to described target stream and judges the malfunction of water system.
Use above-mentioned further scheme to provide the benefit that: to be off-state when system display target stream switchs the first state, then by opening water pump, and switch the second state according to target stream and judge the malfunction of water system；Improve the accuracy of breakdown judge, it is to avoid system occurs erroneous judgement judging when.
Further, the concrete operations of described step S22 are:
Being continuous closure state when described target stream switchs the second state, and the second time T2 of described continuous closure state is more than the second preset time t 2, the most described water system is normal, opens compressor；Otherwise, perform step S5, close described water pump, record the closedown cumulative number of described water pump, and return described step S3.
Above-mentioned further scheme is used to provide the benefit that: to be more than the second preset time t 2 when target stream switchs the second time T2 that the second state is continuous closure state, may insure that virtual condition that target stream switchs and water system are all correctly and accurately, now open water system, it is ensured that the accuracy of unlatching；Meanwhile, when T2 is less than or equal to t2, showing that system has the probability that there is fault, by being again switched off water pump, then return again to step S3, recirculation judges, reaffirms whether system exists fault, improves the accuracy that system judges.
Further, when described closedown cumulative number is more than or equal to 3, then the described water system failure is judged.
Use above-mentioned further scheme to provide the benefit that: repeatedly to be judged by 3 times, it is to avoid erroneous judgement, improve the reliability that system judges.
Further, described first preset time t 1 was more than 10 seconds.
Use above-mentioned further scheme to provide the benefit that: the minimum Preset Time of 10 seconds, under disclosure satisfy that Rule of judgment, be also unlikely to judge overlong time, improve the effectiveness that system is run.
Further, described second preset time t 2 was more than 10 seconds.
Use above-mentioned further scheme to provide the benefit that: the minimum Preset Time of 10 seconds, under disclosure satisfy that Rule of judgment, be also unlikely to judge overlong time, improve the effectiveness that system is run.
The present invention also provides for the fault verification processing system of a kind of water system target stream switch, including water pump stopping modular and Fisrt fault judge module；
Described water pump stopping modular, for after described water system receives start-up command, forces to stop pump working, gathers target stream on off state；
Described Fisrt fault judge module, for judging the malfunction of water system according to described target stream on off state.
The fault verification processing system of water system target stream of the present invention switch provides the benefit that: by water pump stopping modular, first force to stop pump working, really under the state not having water in water retention system, again by Fisrt fault judge module, the malfunction of water system is judged, it is to avoid direct short circuit target stream switch so that it is state is shown as closure state always according to target stream on off state, cause system to judge by accident, be that water system is run under few current even non-water flow state.
Further, described Fisrt fault judge module includes water pump opening module and the second breakdown judge module；
In described Fisrt fault judge module, described target stream on off state is that target stream switchs the first state, it is continuous closure state when described target stream switchs the first state, and the very first time T1 of described continuous closure state is more than the first preset time t 1, then judge the described water system failure；Otherwise, call described water pump opening module, gather target stream and switch the second state；
Described water pump opening module, is used for opening water pump；
Described second breakdown judge module, judges the malfunction of water system for switching the second state according to described target stream.
Above-mentioned further scheme is used to provide the benefit that: to be off-state when Fisrt fault judge module display target stream switchs the first state, water pump is opened again by water pump opening module, and by the second breakdown judge module, switch the second state according to target stream and judge the malfunction of water system；Improve the accuracy of breakdown judge, it is to avoid system occurs erroneous judgement judging when.
Further, described second breakdown judge module also includes that water pump cuts out counting how many times module,
In described second breakdown judge module, being continuous closure state when described target stream switchs the second state, and the second time T2 of described continuous closure state is more than the second preset time t 2, the most described water system is normal, opens compressor；Otherwise, call described water pump and close counting how many times module；
Described water pump cuts out counting how many times module, is used for closing described water pump, records the closedown cumulative number of described water pump, calls described water pump opening module.
Above-mentioned further scheme is used to provide the benefit that: when in the second breakdown judge module, display target stream switchs the second time T2 that the second state is continuous closure state more than the second preset time t 2, may insure that virtual condition that target stream switchs and water system are all correctly and accurately, now open water system, it is ensured that the accuracy of unlatching；Meanwhile, when T2 is less than or equal to t2, show that system has the probability that there is fault, close counting how many times module by water pump, be again switched off water pump, the most again by water pump opening module, recirculation judges, reaffirms whether system exists fault, improves the accuracy that system judges.
Further, when closing cumulative number more than or equal to 3 during described water pump cuts out counting how many times module, then the described water system failure is judged.
Use above-mentioned further scheme to provide the benefit that: to close repeatedly judging for 3 times in counting how many times module by water pump, it is to avoid erroneous judgement, improve the reliability that system judges.
Accompanying drawing explanation
Fig. 1 is fault verification processing method embodiment one control flow chart of water system target stream of the present invention switch,
Fig. 2 is fault verification processing method embodiment two control flow chart of water system target stream of the present invention switch,
Fig. 3 is fault verification processing method embodiment three control flow chart of water system target stream of the present invention switch,
Fig. 4 is the structured flowchart of the fault verification processing system of water system target stream of the present invention switch.
In accompanying drawing, the list of parts representated by each label is as follows:
100, water pump stopping modular, 200, Fisrt fault judge module, 201, water pump opening module, the 202, second breakdown judge module, 2021, water pump close counting how many times module
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fault verification processing method embodiment one control flow chart of water system target stream of the present invention switch sees Fig. 1, the fault verification processing method of a kind of water system target stream switch, comprises the following steps:
Step S1, after water system receives start-up command, forces to stop pump working, gathers target stream on off state；
Step S2, judges the malfunction of water system according to target stream on off state.
By first forcing stopping pump working, really under the state not having water in water retention system, the malfunction of water system is judged again by target stream on off state, avoid direct short circuit target stream switch, make its state be shown as closure state always, cause system to judge by accident, be that water system is run under few current even non-water flow state.
Fault verification processing method embodiment two control flow chart of water system target stream of the present invention switch sees Fig. 2, and compared with embodiment one, its difference is, step S2 specifically includes:
Described target stream on off state is that target stream switchs the first state, is continuous closure state when target stream switchs the first state, and the very first time T1 of continuous closure state is more than the first preset time t 1, then judge the water system failure；Otherwise, perform step S21, open water pump, gather target stream and switch the second state；
Step S22, switchs the second state according to target stream and judges the malfunction of water system.
Use above-mentioned further scheme to provide the benefit that: to be off-state when system display target stream switchs the first state, then by opening water pump, and switch the second state according to target stream and judge the malfunction of water system；Improve the accuracy of breakdown judge, it is to avoid system occurs erroneous judgement judging when.
Fault verification processing method embodiment three control flow chart of invention water system target stream switch sees Fig. 3, and compared with embodiment two, its difference is, the concrete operations of step S22 are:
Be continuous closure state when target stream switchs the second state, and the second time T2 of continuous closure state is more than the second preset time t 2, then water system is normal, opens compressor；Otherwise, perform step S5, switch off the pump, the closedown cumulative number of record water pump, and return step S3；
When closing cumulative number more than or equal to 3, then judge the water system failure.
When target stream switchs the second time T2 that the second state is continuous closure state more than the second preset time t 2, it can be ensured that the virtual condition of target stream switch and water system are all correctly and accurately, now open water system, it is ensured that the accuracy of unlatching；Meanwhile, when T2 is less than or equal to t2, showing that system has the probability that there is fault, by being again switched off water pump, then return again to step S3, recirculation judges, reaffirms whether system exists fault, improves the accuracy that system judges.Repeatedly judged by 3 times, it is to avoid erroneous judgement, improve the reliability that system judges.
In a particular embodiment, the first preset time t 1 is 20 seconds, and the second preset time t 2 is 30 seconds.
After water system receives start-up command, force to stop pump working.
Judging that target stream switchs the first state is continuous closure state, and the very first time T1 of continuous closure state is 10 seconds, due to T1 ＜ t1, then opens water pump.
It is continuous closure state that target stream switchs the second state, and the second time T2 of continuous closure state is 8 seconds, due to T1 ＜ t1, then switches off the pump.
The closedown cumulative number of record water pump, i.e. the closedown cumulative number of water pump is 1 time, and returns step S3, i.e. opens water pump, the most again judges that target stream switchs the second state.
It is continuous closure state that secondary target stream switchs the second state, and the second time T2 of continuous closure state is 10 seconds, due to T1 ＜ t1, then switches off the pump.
The closedown cumulative number of record water pump, i.e. the closedown cumulative number of water pump is 2 times, and returns step S3, i.e. opens water pump, the most again judges that target stream switchs the second state.
It is continuous closure state that the target stream of third time switchs the second state, and the second time T2 of continuous closure state is 8 seconds, due to T1 ＜ t1, then switches off the pump.
The closedown cumulative number of record water pump, i.e. the closedown cumulative number of water pump is 3 times, is equal to 3 owing to closing cumulative number, then judges the water system failure.
In a particular embodiment, the first preset time t 1 could be arranged to the arbitrary value more than 10 seconds.The minimum Preset Time of 10 seconds, under disclosure satisfy that Rule of judgment, is also unlikely to judge overlong time, improves the effectiveness that system is run.
Equally, the second preset time t 2 could be arranged to the arbitrary value more than 10 seconds.The minimum Preset Time of 10 seconds, under disclosure satisfy that Rule of judgment, is also unlikely to judge overlong time, improves the effectiveness that system is run.
The structured flowchart of the fault verification processing system of water system target stream of the present invention switch sees Fig. 4, and the fault verification processing system of a kind of water system target stream switch, including water pump stopping modular 100 and Fisrt fault judge module 200.
Water pump stopping modular 100, for after water system receives start-up command, forces to stop pump working, gathers target stream on off state.
Fisrt fault judge module 200, for judging the malfunction of water system according to target stream on off state.
Fisrt fault judge module 200 includes water pump opening module 201 and the second breakdown judge module 202.
In Fisrt fault judge module 200, target stream on off state is that target stream switchs the first state, is continuous closure state when target stream switchs the first state, and the very first time T1 of continuous closure state is more than the first preset time t 1, then judge the water system failure；Otherwise, water pump opening module 201 is called.
Water pump opening module 201, is used for opening water pump, gathers target stream and switchs the second state.
Second breakdown judge module 202, judges the malfunction of water system for switching the second state according to target stream.
Second breakdown judge module 202 also includes that water pump cuts out counting how many times module 2021.
In the second breakdown judge module 202, be continuous closure state when target stream switchs the second state, and the second time T2 of continuous closure state is more than the second preset time t 2, then water system is normal, opens compressor；Otherwise, call water pump and close counting how many times module 2021.
Water pump cuts out counting how many times module 2021, is used for switching off the pump, the closedown cumulative number of record water pump, calls water pump opening module 201.
When water pump close counting how many times module 2021 is closed cumulative number more than or when waiting 3, then the judgement water system failure.
By water pump stopping modular, first force to stop pump working, really under the state not having water in water retention system, again by Fisrt fault judge module, the malfunction of water system is judged, it is to avoid direct short circuit target stream switch so that it is state is shown as closure state always according to target stream on off state, cause system to judge by accident, be that water system is run under few current even non-water flow state.
It is off-state when Fisrt fault judge module display target stream switchs the first state, then opens water pump by water pump opening module, and by the second breakdown judge module, switch the second state according to target stream and judge the malfunction of water system；Improve the accuracy of breakdown judge, it is to avoid system occurs erroneous judgement judging when.
When in the second breakdown judge module, display target stream switchs the second time T2 that the second state is continuous closure state more than the second preset time t 2, may insure that virtual condition that target stream switchs and water system are all correctly and accurately, now open water system, it is ensured that the accuracy of unlatching；Meanwhile, when T2 is less than or equal to t2, show that system has the probability that there is fault, close counting how many times module by water pump, be again switched off water pump, the most again by water pump opening module, recirculation judges, reaffirms whether system exists fault, improves the accuracy that system judges.Close repeatedly judging for 3 times in counting how many times module by water pump, it is to avoid erroneous judgement, improve the reliability that system judges.
In describing the invention, it will be appreciated that, term " " center ", " length ", " width ", " on ", D score, " vertically ", " level ", " top ", " end ", the orientation of the instruction such as " interior " or position relationship be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature immediately below second feature and obliquely downward, or is merely representative of fisrt feature level height less than second feature.
The fault verification processing method and the system that switch the water system target stream of the present invention above are described in detail, and principle and the embodiment of the present invention are set forth by specific case used herein.The explanation of above example is only intended to help to understand the core concept of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, the most all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the fault verification processing method of a water system system target stream switch, it is characterised in that comprise the following steps:
Step S1, after described water system receives start-up command, forces to stop pump working, gathers target stream on off state；
Step S2, judges the malfunction of water system according to described target stream on off state.
The fault verification processing method of water system target stream the most according to claim 1 switch, it is characterised in that described step S2 specifically includes:
Described target stream on off state is that target stream switchs the first state, is continuous closure state when described target stream switchs the first state, and the very first time T1 of described continuous closure state is more than the first preset time t 1, then judge the described water system failure；Otherwise, perform step S21, open water pump, gather target stream and switch the second state；
Step S22, switchs the second state according to described target stream and judges the malfunction of water system.
The fault verification processing method of water system target stream the most according to claim 2 switch, it is characterised in that the concrete operations of described step S22 are:
Being continuous closure state when described target stream switchs the second state, and the second time T2 of described continuous closure state is more than the second preset time t 2, the most described water system is normal, opens compressor；Otherwise, perform step S5, close described water pump, record the closedown cumulative number of described water pump, and return described step S3.
The fault verification processing method of water system target stream the most according to claim 3 switch, it is characterised in that when described closedown cumulative number is more than or equal to 3, then judge the described water system failure.
5. the fault verification processing method switched according to the water system target stream described in any one of claim 2 to 4, it is characterised in that described first preset time t 1 was more than 10 seconds.
6. the fault verification processing method switched according to the water system target stream described in claim 3 or 4, it is characterised in that described second preset time t 2 was more than 10 seconds.
7. the fault verification processing system of a water system system target stream switch, it is characterised in that include water pump stopping modular (100) and Fisrt fault judge module (200)；
Described water pump stopping modular (100), for after described water system receives start-up command, forces to stop pump working, gathers target stream on off state；
Described Fisrt fault judge module (200), for judging the malfunction of water system according to described target stream on off state.
The fault verification processing system of water system target stream the most according to claim 7 switch, it is characterised in that described Fisrt fault judge module (200) includes water pump opening module (201) and the second breakdown judge module (202)；
In described Fisrt fault judge module (200), described target stream on off state is that target stream switchs the first state, it is continuous closure state when described target stream switchs the first state, and the very first time T1 of described continuous closure state is more than the first preset time t 1, then judge the described water system failure；Otherwise, described water pump opening module (201) is called；
Described water pump opening module (201), is used for opening water pump, gathers target stream and switchs the second state；
Described second breakdown judge module (202), judges the malfunction of water system for switching the second state according to described target stream.
The fault verification processing system of water system target stream the most according to claim 8 switch, it is characterised in that described second breakdown judge module (202) also includes that water pump cuts out counting how many times module (2021),
In described second breakdown judge module (202), being continuous closure state when described target stream switchs the second state, and the second time T2 of described continuous closure state is more than the second preset time t 2, the most described water system is normal, opens compressor；Otherwise, call described water pump and close counting how many times module (2021)；
Described water pump cuts out counting how many times module (2021), is used for closing described water pump, records the closedown cumulative number of described water pump, calls described water pump opening module (201).
The fault verification processing system of water system target stream the most according to claim 9 switch, it is characterised in that when closing cumulative number more than or equal to 3 during described water pump cuts out counting how many times module (2021), then judge the described water system failure.
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| CN201610172291.1A CN105823120A (en) | 2016-03-23 | 2016-03-23 | Fault judging and handling method and system for target current switch of water system |
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| CN201610172291.1A CN105823120A (en) | 2016-03-23 | 2016-03-23 | Fault judging and handling method and system for target current switch of water system |
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Application publication date: 20160803 |
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