CN102734937B - Control method of water heater system and water heater utilizing control method - Google Patents
Control method of water heater system and water heater utilizing control method Download PDFInfo
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- CN102734937B CN102734937B CN201110087794.6A CN201110087794A CN102734937B CN 102734937 B CN102734937 B CN 102734937B CN 201110087794 A CN201110087794 A CN 201110087794A CN 102734937 B CN102734937 B CN 102734937B
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Abstract
The invention provides a control method of a water heater system, which comprises the steps of: detecting the water level and the water temperature in a water tank, and operating a corresponding heating mode according to a detecting result. The invention further provides a water heater utilizing the system control method, and the water heater avoids the hot water supply interruption phenomenon caused by stopping of the system due to the conditions of transient water shortage or emergent failure of a water flow switch, and the like, so that the stability, reliability and market competitiveness of the water heater are improved.
Description
Technical field
The present invention relates to hot water machine field, refer in particular to a kind of control method of water-heating machine system and use the hot water machine of this control method.
Background technology
Along with the raising of people's living standard, increasing people pursues the life of high-quality, and based on such a reason, hot water machine, since it puts goods on the market, has more and more been subject to everybody concern, and therefore the quality to hot water machine and function are also had higher requirement.
Existing hot water machine has direct heating and two kinds of patterns of circulating-heating.In the time that the situations such as defrost, of short duration lack of water or water flow switch break down suddenly appear in unit, water flow switch will can't detect discharge or the discharge that detects is very little or report fault etc., thereby causes system out of service immediately.And in the time that this situation occurs, can only move by starting manually direct heating mode, the mode manually booting has certain hysteresis quality, or because staff's reason causes hot water machine to suspend hot-water supply within a period of time, causes inconvenience to the user.
Summary of the invention
The invention provides a kind of control method of water-heating machine system and use the hot water machine of this control method, it can avoid hot water machine in the time that water flow switch temporarily can't detect discharge or breaks down suddenly, system is out of service, the phenomenon of hot water supply discontinuity occurs, and improves stability, reliability and the market competitiveness thereof of hot water machine.
The technical solution used in the present invention is as follows:
A control method for water-heating machine system, the method comprises,
Step 1: water level switch detects the water level in water tank and the water level signal detecting is sent to controller, when controller receives two class water level signal, move direct heating mode, when controller receives a class water level signal, direct heating mode out of service, and enter step 2;
Step 2: temperature sensor detects the water temperature in water tank and the water temperature signal detecting is sent to controller, when controller receives a class water temperature signal, circulating-heating pattern out of service, when controller receives two class water temperature signals, operation circulating-heating pattern, and enter step 3;
Step 3: water flow switch detects the discharge in circulation line and the water flow signal detecting is sent to controller, when controller receives a class water flow signal, continue operation circulating-heating pattern, when controller receives two class water flow signals, circulating-heating pattern out of service, and enter step 4;
Step 4: after elapsed time T, controller restarts circulating-heating pattern, then enters step 3, when N the step 3 of continuous repetition, still circulating-heating pattern out of service of controller, turns back to step 1, otherwise turns back to step 2;
Wherein, the class water level signal described in step 1 is water level detected water level signal of water level switch during higher than peak level value; Two class water level signal are water level detected water level signal of water level switch while being equal to or less than lowest water level value; A class water temperature signal described in step 2 is water temperature detected water temperature signal of temperature sensor while setting value higher than water temperature; Two class water temperature signals are that water temperature is equal to or less than the detected water temperature signal of water temperature when setting value temperature sensor; A class water flow signal described in step 3 is that discharge is more than or equal to the detected water flow signal of discharge when setting value water flow switch; Two class water flow signals are that discharge is less than setting value, the detected water flow signal of water flow switch while not having discharge or water flow switch to break down.
Further, when controller receives two class water level signal described in step 1, move direct heating mode, water level switch continues sensed water level, until controller is while receiving a class water level signal, and direct heating mode out of service.
Further, controller receives a class water temperature signal described in step 2, and circulating-heating pattern out of service, and temperature sensor continues to detect water temperature, until controller is while receiving two class water temperature signals, and operation circulating-heating pattern.
Further, controller receives a class water flow signal and continues operation circulating-heating pattern described in step 3, and temperature sensor continues to detect water temperature, until controller is while receiving a class water temperature signal, and circulating-heating pattern out of service.
Further, the N described in step 4 is any one integer value in 1 to 100.
The present invention also provides a kind of hot water machine, and it comprises the control method of above-mentioned water-heating machine system.
The present invention compared with prior art, has following beneficial effect:
The control method of a kind of water-heating machine system of the present invention and use the hot water machine of this control method, the different situations that it detects for water flow switch, automatically the corresponding heating mode of operation, can avoid causing system out of service there is the situations such as of short duration lack of water or water flow switch break down suddenly, the phenomenon of hot water supply discontinuity, thereby stability, reliability and the market competitiveness thereof of raising hot water machine.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of hot water machine in the embodiment of the present invention;
Fig. 2 is the flow chart of system control method in the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated:
As shown in Figure 1, it has illustrated the system construction drawing of hot water machine of the present invention, and it includes circulation line 1 and directly-heated pipeline 2, and wherein, the structure of described circulation line 1 and directly-heated pipeline 2 has belonged to prior art, and the present invention does not repeat them here.Circulating-heating pattern is: the water circulating pump 8 in described circulation line 1 extracts the water in water tank 10, and the water of extraction is got back to again water tank 10 after heating by heat-pump hot-water mechanism 20, by circulation mode repeatedly, by constantly heating and insulation of the water temperature in water tank 10.Directly heating mode is: the running water outside booster pump 9 extraction systems in described directly-heated pipeline 2, the running water of extraction is by the rear water tank 10 that injects of heat-pump hot-water mechanism 20 heating.The temperature of the running water extracting due to booster pump 9 is lower, and heat-pump hot-water mechanism 20 is by the adjusting of self, and making has higher temperature by direct heating mode glassware for drinking water out, can directly meet user's user demand.
As shown in Figure 2, it has illustrated the flow chart of the system control method of embodiment in the present invention to be elaborated to this figure below:
A control method for water-heating machine system, the method comprises,
Step 1: water level switch 11 detects the water level in water tank 10 and the water level signal detecting is sent to controller, when controller receives two class water level signal, start the direct heating mode of operation, when controller receives a class water level signal, direct heating mode out of service, after direct heating mode out of service, enter step 2.Described controller receives two class water level signal and starts the direct heating mode of operation, and water level switch 11 continues sensed water level, until controller is while receiving a class water level signal, and direct heating mode out of service.Wherein, a class water level signal is water level detected water level signal of water level switch 11 during higher than peak level value; Two class water level signal are water level detected water level signal of water level switch 11 while being equal to or less than lowest water level value.Peak level value and lowest water level value are to arrange according to situations such as the consumption of the water in water tank 10, such as user's water is more frequent, consume water when very fast, the lowest water level value setting will be larger, can avoid like this occurring the hot water situation that supply falls short of demand.If user's water is fewer, the peak level value setting just can be smaller, can avoid like this energy of wasting when the water in water tank 10 is incubated.In the present embodiment, peak level value is 4/5ths of water tank 10 volumes, and lowest water level value is 2/3rds of water tank 10 volumes.
Step 2: temperature sensor 12 detects the water temperature in water tank 10 and the water temperature signal detecting is sent to controller, when controller receives a class water temperature signal, circulating-heating pattern out of service, when controller receives two class water temperature signals, operation circulating-heating pattern, after operation circulating-heating pattern, enter step 3.Described controller receives a class water temperature signal circulating-heating pattern out of service, and temperature sensor 12 continues to detect water temperatures, until controller is while receiving two class water temperature signals, and operation circulating-heating pattern.
Wherein, a class water temperature signal is water temperature detected water temperature signal of temperature sensor 12 while setting value higher than water temperature; Two class water temperature signals are that water temperature is equal to or less than the detected water temperature signal of water temperature when setting value temperature sensor 12.Described water temperature setting value is what to arrange according to situations such as concrete environments for use, and such as the place colder in the north, this value just can arrange higherly, the hotter place in south, and this value just can arrange lowlyer.Water temperature setting value in the present embodiment is any one temperature value in 20 ℃ to 30 ℃.
Step 3: water flow switch 3 detects the discharge in circulation line and the water flow signal detecting is sent to controller, when controller receives a class water flow signal, continue operation circulating-heating pattern, when controller receives two class water flow signals, circulating-heating pattern out of service, after circulating-heating pattern out of service, enter step 4.Described controller receives a class water flow signal and continues operation circulating-heating pattern, and temperature sensor 12 continues to detect water temperatures, until controller is while receiving a class water temperature signal, and circulating-heating pattern out of service.
Wherein, a class water flow signal is that discharge is more than or equal to the detected water flow signal of discharge when setting value water flow switch 3; Two class water flow signals are that discharge is less than setting value, the detected water flow signal of water flow switch 3 while not having discharge or water flow switch 3 to break down.Described discharge setting value is what to arrange according to situations such as the heating capacities of system, and heating capacity is more intense, and this value just can arrange largerly, and heating capacity is more weak, and this value just can arrange smallerly.Discharge in the present embodiment is made as 1/6th of maximum flow of water amount in circulation line 1.
Step 4: after elapsed time T, controller restarts circulating-heating pattern, then enters step 3, when N the step 3 of continuous repetition, still circulating-heating pattern out of service of controller, turns back to step 1, otherwise turns back to step 2.
Wherein, time T is to arrange according to concrete service conditions such as outside water supply, the stabilities of a system.Such as regional more frequently at the situation ratio of cutting off the water supply, water flow switch 3 is than being easier to out of order system, and this time just can arrange shorter.Time T in the present embodiment is made as any one time value between 1 minute to 60 minutes.The value of described N is to occur that according to system the situation such as frequent degree that hot water interrupts arranges, and such as system occurs that situation that hot water interrupts is than more frequently, this value can arrange larger.N value in the present embodiment is any one integer value in 1 to 100, is preferably 3.
In flow chart shown in Fig. 2, N value is 3.So when system enters after step 4, what water flow switch 3 was continuous carries out duplicate detection 3 times, system finally, still in circulating-heating pattern out of service, is returned to the water level detecting in water tank 10.If now the water level of water tank 10 is very low, can not meet user's water demand, system controller starts direct heating mode, and water tank 10 is carried out to hot water filling, use for user.
The present invention also provides a kind of hot water machine that uses said system control method, this hot water machine is avoided causing system out of service there is the situations such as of short duration lack of water or water flow switch 3 break down suddenly, the phenomenon of hot water supply discontinuity, thereby stability, reliability and the market competitiveness thereof of raising hot water machine.
These are only specific embodiments of the invention, do not limit protection scope of the present invention with this; Not violating any replacement and the improvement done on the basis of the present invention's design, all belong to protection scope of the present invention.
Claims (6)
1. a control method for water-heating machine system, is characterized in that, the method comprises,
Step 1: water level switch detects the water level in water tank and the water level signal detecting is sent to controller, when controller receives two class water level signal, move direct heating mode, when controller receives a class water level signal, direct heating mode out of service, and enter step 2;
Step 2: temperature sensor detects the water temperature in water tank and the water temperature signal detecting is sent to controller, when controller receives a class water temperature signal, circulating-heating pattern out of service, when controller receives two class water temperature signals, operation circulating-heating pattern, and enter step 3;
Step 3: water flow switch detects the discharge in circulation line and the water flow signal detecting is sent to controller, when controller receives a class water flow signal, continue operation circulating-heating pattern, when controller receives two class water flow signals, circulating-heating pattern out of service, and enter step 4;
Step 4: after elapsed time T, controller restarts circulating-heating pattern, then enters step 3, when N the step 3 of continuous repetition, still circulating-heating pattern out of service of controller, turns back to step 1, otherwise turns back to step 2;
Wherein, the class water level signal described in step 1 is water level detected water level signal of water level switch during higher than peak level value; Two class water level signal are water level detected water level signal of water level switch while being equal to or less than lowest water level value; A class water temperature signal described in step 2 is water temperature detected water temperature signal of temperature sensor while setting value higher than water temperature; Two class water temperature signals are that water temperature is equal to or less than the detected water temperature signal of water temperature when setting value temperature sensor; A class water flow signal described in step 3 is that discharge is more than or equal to the detected water flow signal of discharge when setting value water flow switch; Two class water flow signals are that discharge is less than setting value, the detected water flow signal of water flow switch while not having discharge or water flow switch to break down.
2. the control method of water-heating machine system as claimed in claim 1, it is characterized in that, when described in step 1, controller receives two class water level signal, move direct heating mode, water level switch continues sensed water level, until controller is while receiving a class water level signal, direct heating mode out of service.
3. the control method of water-heating machine system as claimed in claim 1, it is characterized in that, described in step 2, controller receives a class water temperature signal, and circulating-heating pattern out of service, temperature sensor continues to detect water temperature, until controller is while receiving two class water temperature signals, operation circulating-heating pattern.
4. the control method of water-heating machine system as claimed in claim 1, it is characterized in that, described in step 3, controller receives a class water flow signal and continues operation circulating-heating pattern, temperature sensor continues to detect water temperature, until controller is while receiving a class water temperature signal, circulating-heating pattern out of service.
5. the control method of water-heating machine system as claimed in claim 1, is characterized in that, the N described in step 4 is any one integer value in 1 to 100.
6. a hot water machine, is characterized in that: it comprises the control method of the water-heating machine system described in any one in claim 1 to 5.
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| CN201110087794.6A CN102734937B (en) | 2011-04-08 | 2011-04-08 | Control method of water heater system and water heater utilizing control method |
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| CN104101097A (en) * | 2013-04-10 | 2014-10-15 | 美的集团股份有限公司 | Water boiler and control method thereof |
| CN103542532B (en) * | 2013-08-14 | 2016-03-16 | 陈健伦 | A kind of control panel of water heater and control method thereof |
| CN104197527A (en) * | 2014-09-19 | 2014-12-10 | 哈尔滨新中新华科电子设备有限公司 | Intelligent water-boiling machine control system and control method thereof |
| CN107120829A (en) * | 2017-05-05 | 2017-09-01 | 神华集团有限责任公司 | The control system and method for single water tank constant temperature water supply |
| CN107247452B (en) * | 2017-06-05 | 2019-07-26 | 珠海格力电器股份有限公司 | Unit water shortage method for diagnosing faults, device and system |
| CN108870755B (en) * | 2018-05-23 | 2020-08-07 | 内蒙古博海电子科技有限责任公司 | Automatic adjusting method and device for boiled water capacity of heat accumulating type water boiler |
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| CN100579429C (en) * | 2005-04-15 | 2010-01-13 | 叶建荣 | Hot water temperature and amount controlling method and device for electric drinking water heater |
| CN201314689Y (en) * | 2008-10-28 | 2009-09-23 | 周灼文 | Automatic DC water boiler |
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