CN106288414A - Commercial water-heating machine system and control method thereof, device, main frame and from machine - Google Patents

Commercial water-heating machine system and control method thereof, device, main frame and from machine Download PDF

Info

Publication number
CN106288414A
CN106288414A CN201610640227.1A CN201610640227A CN106288414A CN 106288414 A CN106288414 A CN 106288414A CN 201610640227 A CN201610640227 A CN 201610640227A CN 106288414 A CN106288414 A CN 106288414A
Authority
CN
China
Prior art keywords
machine
main frame
temperature
unit
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610640227.1A
Other languages
Chinese (zh)
Other versions
CN106288414B (en
Inventor
张亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea HVAC Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201610640227.1A priority Critical patent/CN106288414B/en
Publication of CN106288414A publication Critical patent/CN106288414A/en
Application granted granted Critical
Publication of CN106288414B publication Critical patent/CN106288414B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters

Abstract

The invention provides a kind of commercial water-heating machine system and control method thereof, device, main frame and from machine, wherein, described commercial water-heating machine system includes a main frame and multiple from machine, and the control method of described commercial water-heating machine system includes: main frame and multiple determine whether that the system that receives opens signal from machine;When determining that the system that receives opens signal, main frame and each determine respective current state respectively from machine, and according to main frame with each determine targets threshold from the respective current state of machine;Main frame and each respectively respective leaving water temperature is compared with targets threshold from machine;And main frame and each from machine respectively according to comparative result, and main frame and each current state from machine, it is determined whether amendment main frame or each current state from machine.All can adjust state according to practical situation, it is achieved that to main frame and the protection of the arbitrary unit from machine, avoid the wasting of resources by technical scheme, main frame and the arbitrary unit from machine simultaneously.

Description

Commercial water-heating machine system and control method thereof, device, main frame and from machine
Technical field
The present invention relates to hot water machine technical field, in particular to a kind of commercial control method of water-heating machine system, one Kind of commercial water-heating machine system control device, the main frame of a kind of commercial water-heating machine system, a kind of commercial water-heating machine system from machine With one commercialization water-heating machine system.
Background technology
In correlation technique, the main frame in commercial water-heating machine system receives the start-up command from line control machine, and according to presetting Conditional judgment system be turned on or off (generally judging that system is turned on or off according only to leaving water temperature), if meet open Machine condition, then main frame is opened, and sends start-up command from machine, if meeting closedown condition, then Host Shutdown, and to institute to all Have and send shutdown command from machine.From start-up command or the shutdown command of machine only Receiving Host, and perform corresponding action.Main frame The condition that judgement system is turned on or off, only receives instruction, and performs according to instruction from machine.Because installation site is different, machine The existence of the factors such as device difference, main frame and the leaving water temperature from machine are inconsistent, and main frame leaving water temperature ratio is relatively low often, not up to System closes condition, but the highest from the leaving water temperature of machine, even meets the condition that protection is shut down, so cannot very well to from Machine is protected, and wastes again resource.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art or correlation technique.
To this end, the first of the present invention purpose is to propose the control program of a kind of new commercial water-heating machine system, main Machine and the arbitrary unit from machine all can adjust state according to practical situation, it is achieved that to main frame and the arbitrary unit from machine Protection, avoids the wasting of resources simultaneously.
Second object of the present invention is to propose the main frame of a kind of commercial water-heating machine system.
Third object of the present invention be to propose a kind of commercial water-heating machine system from machine.
Fourth object of the present invention is to propose a kind of commercial water-heating machine system.
For achieving the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of commercial water-heating machine system Control method, described commercial water-heating machine system includes a main frame and multiple from machine, the control of described commercial water-heating machine system Method includes: described main frame and multiple described determine whether that the system that receives opens signal from machine;Determining that the system that receives opens letter Number time, described main frame and each described determine respective current state respectively from machine, and according to described main frame and each described from The respective current state of machine determines targets threshold;Described main frame and each described from machine respectively by respective leaving water temperature with described Targets threshold compares;And described main frame and each described from machine respectively according to comparative result, and described main frame and every Individual described from the current state of machine, it is determined whether to revise described main frame or each described from the current state of machine.
The control method of commercial according to an embodiment of the invention water-heating machine system, at main frame with multiple determine reception from machine To system open signal time, main frame and each determine respective current state respectively from machine, and respectively according to respective go out water temperature Degree and the comparative result of targets threshold, it is determined whether amendment main frame or each current state from machine so that main frame and from machine Arbitrary unit all can adjust self current state according to the practical situation of self, even if main frame is not up to system and cuts out bar Part, can also close unit voluntarily from machine, it is achieved that to main frame and the protection of the arbitrary unit from machine, avoid resource simultaneously Waste.Wherein, main frame and each described from the difference of the respective current state of machine, corresponding targets threshold also differs.
The control method of commercial water-heating machine system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below special Levy:
According to one embodiment of present invention, described main frame and multiple described determine whether that the system that receives opens signal from machine Specifically include: calculate minimum leaving water temperature;Determine the first state of system;The first state in described system is that system is opened Time, when water tank temperature or minimum leaving water temperature are more than or equal to the first preset value, determine that the second state of described system is system Close, when water tank temperature and minimum leaving water temperature are both less than the first preset value, determine that the second state of described system is system Open;When the first state in described system is system closedown, it is both less than second at water tank temperature and minimum leaving water temperature and presets During value, determine that the second state of described system is that system is opened, pre-more than or equal to second at water tank temperature or minimum leaving water temperature If during value, determine that the second state of described system is that system is closed;And be that system is opened in described second state of described system Qi Shi, the system that sends opens signal.
The control method of commercial according to an embodiment of the invention water-heating machine system, mainly by detection water tank temperature and Little leaving water temperature determines whether that transmission system opens information, specifically, when the first state in system is system unlatching, at water When case temperature or minimum leaving water temperature are more than or equal to the first preset value, determine that the second state of system is that system is closed, at water tank When temperature and minimum leaving water temperature are both less than the first preset value, determine that the second state of system is that system is opened, and system First state is system when closing, and when water tank temperature and minimum leaving water temperature are both less than the second preset value, determines the of system Two-state is that system is opened, and when water tank temperature or minimum leaving water temperature are more than or equal to the second preset value, determines the second of system State is that system is closed, and the second state of system be system open time send system and open signal, it is to avoid only by temperature When degree sensor detects water tank temperature to judge that system is turned on and off, once temperature sensor is broken down, cause system The inaccurate difficult situation of testing result being turned on and off, improves the accuracy of testing result, even if temperature passes simultaneously Sensor breaks down, it is also possible to determine whether system closes according to leaving water temperature.Wherein, can be by obtaining main frame and from machine Leaving water temperature (specifically can be by the temperature sensor collection arranged at outlet), and compare to obtain minimum and go out water temperature Degree.
According to one embodiment of present invention, described first preset value is the little person in design temperature and shutdown temperature, with And described second preset value is that the little person in described design temperature and described shutdown temperature deducts the first temperature return difference.
According to one embodiment of present invention, in described main frame and the current state of multiple described arbitrary unit from machine When opening for unit, described targets threshold is the little person in design temperature and shutdown temperature, described main frame and multiple described from When the current state of the arbitrary unit in machine is unit closedown, described targets threshold is the little person in design temperature and shutdown temperature Deduct the second temperature return difference.
According to one embodiment of present invention, described according to comparative result, and described main frame and each described from machine Current state, determines whether respectively to revise described main frame or each described from the step of the current state of machine, specifically includes: in institute The current state stating main frame and multiple described arbitrary unit from machine is that unit is opened, and when the water outlet of described arbitrary unit When temperature is more than or equal to described targets threshold, then the current state of described arbitrary unit is revised as unit and closes, otherwise keep Unit is opened;Or the current state at described main frame and multiple described arbitrary unit from machine is that unit is closed, and works as When the leaving water temperature of described arbitrary unit is less than described targets threshold, then the current state of described arbitrary unit is revised as unit Open, otherwise keep unit to close.
The control method of commercial according to an embodiment of the invention water-heating machine system, main frame and the arbitrary unit from machine are equal The current state of self can be adjusted, specifically, at main frame and multiple arbitrary unit from machine according to the practical situation of self Current state be unit open, and when arbitrary unit leaving water temperature more than or equal to targets threshold time, then by arbitrary unit Current state be revised as unit and close, otherwise keep unit to open, or working as at main frame and multiple arbitrary unit from machine Front state is that unit is closed, and when the leaving water temperature of arbitrary unit is less than targets threshold, then by the current shape of arbitrary unit State is revised as unit opens, and otherwise keeps unit to close, even if main frame is not up to system and cuts out condition, can also close voluntarily from machine Close unit, it is achieved that to main frame and the protection of the arbitrary unit from machine, avoid the wasting of resources simultaneously.
Embodiment according to the second aspect of the invention, it is proposed that the control device of a kind of commercial water-heating machine system, described Commercial water-heating machine system includes a main frame and multiple from machine, and the control device of described commercial water-heating machine system is applicable to described master Machine and each described from machine, the control device of described commercial water-heating machine system includes: first determines unit, is used to determine whether to receive Signal is opened to system;Second determines unit, for when described first determines that unit determines that the system that receives opens signal, determining Described main frame and each described from the current state of machine self, and according to described main frame and each described from the respective current shape of machine State determines targets threshold;Comparing unit, for by described main frame and each described from the leaving water temperature of machine self and described target Threshold value compares;And the 3rd determine unit, for according to comparative result, and described main frame and each described from machine self Current state, it is determined whether revise the current state of self.
The control device of commercial according to an embodiment of the invention water-heating machine system, at main frame with multiple determine reception from machine To system open signal time, main frame and each determine respective current state respectively from machine, and respectively according to respective go out water temperature Degree and the comparative result of targets threshold, it is determined whether amendment main frame or each current state from machine so that main frame and from machine Arbitrary unit all can adjust self current state according to the practical situation of self, even if main frame is not up to system and cuts out bar Part, can also close unit voluntarily from machine, it is achieved that to main frame and the protection of the arbitrary unit from machine, avoid resource simultaneously Waste.Wherein, main frame and each described from the difference of the respective current state of machine, corresponding targets threshold also differs.
The control device of commercial water-heating machine system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below special Levy:
According to one embodiment of present invention, described first determine unit specifically for: calculate minimum leaving water temperature;Determine First state of system;When the first state in described system is system unlatching, it is more than at water tank temperature or minimum leaving water temperature During equal to the first preset value, determine that the second state of described system is that system is closed, at water tank temperature with minimum leaving water temperature all During less than the first preset value, determine that the second state of described system is that system is opened;The first state in described system is system During closedown, when water tank temperature and minimum leaving water temperature are both less than the second preset value, determine that the second state of described system is for being System is opened, and when water tank temperature or minimum leaving water temperature are more than or equal to the second preset value, determines that the second state of described system is System is closed;And when described second state of described system is system unlatching, the system that sends opens signal.
The control device of commercial according to an embodiment of the invention water-heating machine system, mainly by detection water tank temperature and Little leaving water temperature determines whether that transmission system opens information, specifically, when the first state in system is system unlatching, at water When case temperature or minimum leaving water temperature are more than or equal to the first preset value, determine that the second state of system is that system is closed, at water tank When temperature and minimum leaving water temperature are both less than the first preset value, determine that the second state of system is that system is opened, and system First state is system when closing, and when water tank temperature and minimum leaving water temperature are both less than the second preset value, determines the of system Two-state is that system is opened, and when water tank temperature or minimum leaving water temperature are more than or equal to the second preset value, determines the second of system State is that system is closed, and the second state of system be system open time send system and open signal, it is to avoid only by temperature When degree sensor detects water tank temperature to judge that system is turned on and off, once temperature sensor is broken down, cause system The inaccurate difficult situation of testing result being turned on and off, improves the accuracy of testing result, even if temperature passes simultaneously Sensor breaks down, it is also possible to determine whether system closes according to leaving water temperature.Wherein, can be by obtaining main frame and from machine Leaving water temperature (specifically can be by the temperature sensor collection arranged at outlet), and compare to obtain minimum and go out water temperature Degree.
According to one embodiment of present invention, described first preset value is the little person in design temperature and shutdown temperature, with And described second preset value is that the little person in described design temperature and described shutdown temperature deducts the first temperature return difference.
According to one embodiment of present invention, in described main frame and the current state of multiple described arbitrary unit from machine When opening for unit, described targets threshold is the little person in design temperature and shutdown temperature, described main frame and multiple described from When the current state of the arbitrary unit in machine is unit closedown, described targets threshold is the little person in design temperature and shutdown temperature Deduct the second temperature return difference.
According to one embodiment of present invention, the described 3rd determine unit specifically for: at described main frame and multiple described The current state of the arbitrary unit from machine is that unit is opened, and when the leaving water temperature of described arbitrary unit is more than or equal to described During targets threshold, then the current state of described arbitrary unit is revised as unit and closes, otherwise keep unit to open;Or institute The current state stating main frame and multiple described arbitrary unit from machine is that unit is closed, and when the water outlet of described arbitrary unit When temperature is less than described targets threshold, then the current state of described arbitrary unit is revised as unit and opens, otherwise keep unit Close.
The control device of commercial according to an embodiment of the invention water-heating machine system, main frame and the arbitrary unit from machine are equal The current state of self can be adjusted, specifically, at main frame and multiple arbitrary unit from machine according to the practical situation of self Current state be unit open, and when arbitrary unit leaving water temperature more than or equal to targets threshold time, then by arbitrary unit Current state be revised as unit and close, otherwise keep unit to open, or working as at main frame and multiple arbitrary unit from machine Front state is that unit is closed, and when the leaving water temperature of arbitrary unit is less than targets threshold, then by the current shape of arbitrary unit State is revised as unit opens, and otherwise keeps unit to close, even if main frame is not up to system and cuts out condition, can also close voluntarily from machine Close unit, it is achieved that to main frame and the protection of the arbitrary unit from machine, avoid the wasting of resources simultaneously.
Embodiment according to the third aspect of the invention we, it is proposed that the main frame of a kind of commercial water-heating machine system, including: as above State the control device of commercial water-heating machine system according to any one of embodiment.
Embodiment according to the fourth aspect of the invention, it is proposed that a kind of commercial water-heating machine system from machine, including: as above State the control device of commercial water-heating machine system according to any one of embodiment.
Embodiment according to the fifth aspect of the invention, it is also proposed that a kind of commercial water-heating machine system, including: one is as above State the main frame of the commercial water-heating machine system described in embodiment, and multiple commercial hot water machine system as described in above-described embodiment System from machine.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:
Fig. 1 shows the exemplary flow of the control method of commercial water-heating machine system according to first embodiment of the invention Figure;
Fig. 2 shows the schematic block diagram controlling device of commercial according to an embodiment of the invention water-heating machine system;
Fig. 3 shows the schematic block diagram of the main frame of commercial according to an embodiment of the invention water-heating machine system;
Fig. 4 shows the schematic block diagram from machine of commercial according to an embodiment of the invention water-heating machine system;
Fig. 5 shows the schematic block diagram of commercial according to an embodiment of the invention water-heating machine system;
Fig. 6 shows the exemplary flow of the control method of the commercial water-heating machine system of second embodiment according to the present invention Figure;
Fig. 7 shows the exemplary flow of the control method of the commercial water-heating machine system of the 3rd embodiment according to the present invention Figure.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not by described below The restriction of specific embodiment.
Fig. 1 shows the exemplary flow of the control method of commercial water-heating machine system according to first embodiment of the invention Figure.
As it is shown in figure 1, the control method of commercial water-heating machine system according to first embodiment of the invention, described commercialization Water-heating machine system includes a main frame and multiple from machine, and the control method of described commercial water-heating machine system includes:
Step 102, described main frame and multiple described determine whether that the system that receives opens signal from machine.
Step 104, when determining that the system that receives opens signal, described main frame and each described determine respectively from machine respective Current state, and according to described main frame with each described determine targets threshold from the respective current state of machine.
Step 106, described main frame and each described respectively respective leaving water temperature is carried out with described targets threshold from machine Relatively.
Step 108, described main frame and each described from machine respectively according to comparative result, and described main frame and each described From the current state of machine, it is determined whether revise described main frame or each described from the current state of machine.
Main frame and multiple determine that from machine the system that receives opens signal time, main frame and each determine respectively from machine respective Current state, and respectively according to the comparative result of respective leaving water temperature Yu targets threshold, it is determined whether amendment main frame or each From the current state of machine so that main frame and the arbitrary unit from machine all can adjust working as of self according to the practical situation of self Front state, even if main frame is not up to system and cuts out condition, can also close unit from machine, it is achieved that voluntarily to main frame with from machine The protection of arbitrary unit, avoid the wasting of resources simultaneously.Wherein, main frame and each described from the respective current state of machine not With, corresponding targets threshold also differs.
The control method of commercial water-heating machine system according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below special Levy:
According to one embodiment of present invention, described main frame and multiple described determine whether that the system that receives opens signal from machine Specifically include: calculate minimum leaving water temperature;Determine the first state of system;The first state in described system is that system is opened Time, when water tank temperature or minimum leaving water temperature are more than or equal to the first preset value, determine that the second state of described system is system Close, when water tank temperature and minimum leaving water temperature are both less than the first preset value, determine that the second state of described system is system Open;When the first state in described system is system closedown, it is both less than second at water tank temperature and minimum leaving water temperature and presets During value, determine that the second state of described system is that system is opened, pre-more than or equal to second at water tank temperature or minimum leaving water temperature If during value, determine that the second state of described system is that system is closed;And be that system is opened in described second state of described system Qi Shi, the system that sends opens signal.
Mainly determine whether that transmission system opens information by detection water tank temperature and minimum leaving water temperature, specifically, When the first state in system is system unlatching, when water tank temperature or minimum leaving water temperature are more than or equal to the first preset value, really Determining the second state of system is that system is closed, and when water tank temperature and minimum leaving water temperature are both less than the first preset value, determine and is Second state of system is that system is opened, and when the first state of system is system closedown, goes out water temperature at water tank temperature and minimum During degree both less than the second preset value, determine that the second state of system is that system is opened, big at water tank temperature or minimum leaving water temperature When equal to the second preset value, determine that the second state of system is that system is closed, and be that system is opened in the second state of system Time send system and open signal, it is to avoid only detecting water tank temperature by temperature sensor judges that system is turned on and off Time, once temperature sensor is broken down, the inaccurate difficult situation of testing result causing system to be turned on and off, improves The accuracy of testing result, even if temperature sensor simultaneously is broken down, it is also possible to determine system according to leaving water temperature Whether close.Wherein, (temperature sensing arranged at outlet can specifically can be passed through by obtaining main frame and the leaving water temperature from machine Device gathers), and compare to obtain minimum leaving water temperature.
According to one embodiment of present invention, described first preset value is the little person in design temperature and shutdown temperature, with And described second preset value is that the little person in described design temperature and described shutdown temperature deducts the first temperature return difference.
According to one embodiment of present invention, in described main frame and the current state of multiple described arbitrary unit from machine When opening for unit, described targets threshold is the little person in design temperature and shutdown temperature, described main frame and multiple described from When the current state of the arbitrary unit in machine is unit closedown, described targets threshold is the little person in design temperature and shutdown temperature Deduct the second temperature return difference.
According to one embodiment of present invention, described according to comparative result, and described main frame and each described from machine Current state, determines whether respectively to revise described main frame or each described from the step of the current state of machine, specifically includes: in institute The current state stating main frame and multiple described arbitrary unit from machine is that unit is opened, and when the water outlet of described arbitrary unit When temperature is more than or equal to described targets threshold, then the current state of described arbitrary unit is revised as unit and closes, otherwise keep Unit is opened;Or the current state at described main frame and multiple described arbitrary unit from machine is that unit is closed, and works as When the leaving water temperature of described arbitrary unit is less than targets threshold, then the current state of described arbitrary unit is revised as unit and opens Open, otherwise keep unit to close.
Main frame and the arbitrary unit from machine all can adjust the current state of self according to the practical situation of self, specifically Ground, the current state at main frame and multiple arbitrary unit from machine is that unit is opened, and when the leaving water temperature of arbitrary unit During more than or equal to targets threshold (now, targets threshold is the little person in design temperature and shutdown temperature), then by arbitrary unit Current state is revised as unit closes, and otherwise keeps unit to open, or current at main frame and multiple arbitrary unit from machine State be unit close, and when arbitrary unit leaving water temperature less than targets threshold (now, targets threshold be design temperature and Little person in shutdown temperature deducts the second temperature return difference) time, then the current state of arbitrary unit is revised as unit and opens, otherwise Keep unit to close, even if main frame is not up to system and cuts out condition, unit can also be closed voluntarily from machine, it is achieved that to main frame and The protection of the arbitrary unit from machine, avoids the wasting of resources simultaneously.
Fig. 2 shows the schematic block diagram controlling device of commercial according to an embodiment of the invention water-heating machine system.
As in figure 2 it is shown, the control device 200 of commercial according to an embodiment of the invention water-heating machine system, described commercial heat Water machine system includes a main frame and multiple from machine, and the control device 200 of described commercial water-heating machine system is applicable to described main frame Described from machine with each, the control device 200 of described commercial water-heating machine system includes: first determines unit 202, second determine list Unit 204, comparing unit 206 and the 3rd determine unit 208.
Wherein, first determines that unit 202 is used to determine whether that the system that receives opens signal;Second determine unit 204 for When described first determines that unit determines that the system that receives opens signal, determine described main frame and each described current from machine self State, and according to described main frame with each described determine targets threshold from the respective current state of machine;Comparing unit 206 is used for will Described main frame and each described compare with described targets threshold from the leaving water temperature of machine self;And the 3rd determine unit 208 for according to comparative result, and described main frame and each described from the current state of machine self, it is determined whether revise self Current state.
Main frame and multiple determine that from machine the system that receives opens signal time, main frame and each determine respectively from machine respective Current state, and respectively according to the comparative result of respective leaving water temperature Yu targets threshold, it is determined whether amendment main frame or each From the current state of machine so that main frame and the arbitrary unit from machine all can adjust working as of self according to the practical situation of self Front state, even if main frame is not up to system and cuts out condition, can also close unit from machine, it is achieved that voluntarily to main frame with from machine The protection of arbitrary unit, avoid the wasting of resources simultaneously.Wherein, main frame and each described from the respective current state of machine not With, corresponding targets threshold also differs.
The control device 200 of commercial water-heating machine system according to the abovementioned embodiments of the present invention, it is also possible to there is following skill Art feature:
According to one embodiment of present invention, described first determine unit 202 specifically for: calculate minimum leaving water temperature; Determine the first state of system;When the first state in described system is system unlatching, at water tank temperature or minimum leaving water temperature During more than or equal to the first preset value, determine that the second state of described system is that system is closed, go out water temperature at water tank temperature and minimum During degree both less than the first preset value, determine that the second state of described system is that system is opened;The first state in described system is When system is closed, when water tank temperature and minimum leaving water temperature are both less than the second preset value, determine the second state of described system Open for system, when water tank temperature or minimum leaving water temperature are more than or equal to the second preset value, determine the second shape of described system State is that system is closed;And when described second state of described system is system unlatching, the system that sends opens signal.
Mainly determine whether that transmission system opens information by detection water tank temperature and minimum leaving water temperature, specifically, When the first state in system is system unlatching, when water tank temperature or minimum leaving water temperature are more than or equal to the first preset value, really Determining the second state of system is that system is closed, and when water tank temperature and minimum leaving water temperature are both less than the first preset value, determine and is Second state of system is that system is opened, and when the first state of system is system closedown, goes out water temperature at water tank temperature and minimum During degree both less than the second preset value, determine that the second state of system is that system is opened, big at water tank temperature or minimum leaving water temperature When equal to the second preset value, determine that the second state of system is that system is closed, and be that system is opened in the second state of system Time send system and open signal, it is to avoid only detecting water tank temperature by temperature sensor judges that system is turned on and off Time, once temperature sensor is broken down, the inaccurate difficult situation of testing result causing system to be turned on and off, improves The accuracy of testing result, even if temperature sensor simultaneously is broken down, it is also possible to determine system according to leaving water temperature Whether close.Wherein, (temperature sensing arranged at outlet can specifically can be passed through by obtaining main frame and the leaving water temperature from machine Device gathers), and compare to obtain minimum leaving water temperature.
According to one embodiment of present invention, described first preset value is the little person in design temperature and shutdown temperature, with And described second preset value is that the little person in described design temperature and described shutdown temperature deducts the first temperature return difference.
According to one embodiment of present invention, in described main frame and the current state of multiple described arbitrary unit from machine When opening for unit, described targets threshold is the little person in design temperature and shutdown temperature, described main frame and multiple described from When the current state of the arbitrary unit in machine is unit closedown, described targets threshold is the little person in design temperature and shutdown temperature Deduct the second temperature return difference.
According to one embodiment of present invention, the described 3rd determine unit 208 specifically for: in described main frame and multiple institute The current state stating the arbitrary unit from machine is that unit is opened, and when the leaving water temperature of described arbitrary unit is more than or equal to mesh During mark threshold value, then the current state of described arbitrary unit is revised as unit and closes, otherwise keep unit to open;Or described The current state of main frame and multiple described arbitrary unit from machine is that unit is closed, and goes out water temperature when described arbitrary unit When degree is less than targets threshold, then the current state of described arbitrary unit is revised as unit and opens, otherwise keep unit to close.
Main frame and the arbitrary unit from machine all can adjust the current state of self according to the practical situation of self, specifically Ground, the current state at main frame and multiple arbitrary unit from machine is that unit is opened, and when the leaving water temperature of arbitrary unit During more than or equal to targets threshold (now, targets threshold is the little person in design temperature and shutdown temperature), then by arbitrary unit Current state is revised as unit closes, and otherwise keeps unit to open, or current at main frame and multiple arbitrary unit from machine State be unit close, and when arbitrary unit leaving water temperature less than targets threshold (now, targets threshold be design temperature and Little person in shutdown temperature deducts the second temperature return difference) time, then the current state of arbitrary unit is revised as unit and opens, otherwise Keep unit to close, even if main frame is not up to system and cuts out condition, unit can also be closed voluntarily from machine, it is achieved that to main frame and The protection of the arbitrary unit from machine, avoids the wasting of resources simultaneously.
Fig. 3 shows the schematic block diagram of the main frame of commercial according to an embodiment of the invention water-heating machine system.
As it is shown on figure 3, the main frame 300 of commercial according to an embodiment of the invention water-heating machine system, including: as shown in Figure 2 The control device 200 of commercial water-heating machine system.
Fig. 4 shows the schematic block diagram from machine of commercial according to an embodiment of the invention water-heating machine system.
As shown in Figure 4, commercial according to an embodiment of the invention water-heating machine system from machine 400, including: as shown in Figure 2 The control device 200 of commercial water-heating machine system.
Fig. 5 shows the schematic block diagram of commercial according to an embodiment of the invention water-heating machine system.
As it is shown in figure 5, commercial according to an embodiment of the invention water-heating machine system 500, including: one is as shown in Figure 3 The main frame 300 of commercial water-heating machine system, and multiple commercial water-heating machine system as shown in Figure 4 from machine 400.
Below in conjunction with Fig. 6 and Fig. 7, technical scheme is described further.
As shown in Figure 6, according to the control method of the commercial water-heating machine system of second embodiment of the present invention, including:
Step 602, calculates intrasystem minimum leaving water temperature.
Step 604, it may be judged whether system is opened, if so, performs step 606;Otherwise, step 614 is performed.
Step 606, it is judged that whether water tank temperature meets system is closed condition, if so, performs step 608;Otherwise, step is performed Rapid 612.
Step 608, it is judged that whether minimum leaving water temperature meets system is closed condition, if so, performs step 610;Otherwise, hold Row step 612.
Step 610, system is held open.
Step 612, system is closed.
Step 614, it is judged that whether water tank temperature meets system unlocking condition, if so, performs step 616;Otherwise, step is performed Rapid 620.
Step 616, it is judged that whether minimum leaving water temperature meets system unlocking condition, if so, performs step 618;Otherwise, hold Row step 620.
Step 618, system is opened.
Step 620, system remains turned-off.
Wherein, (1) system is opened: all units in parallel system can be started shooting operation.
(2) system is closed: all units in parallel system must stop.
(3) system unlocking condition (following condition meets simultaneously):
1. water tank temperature < preset value.
Example: water tank temperature < Min (design temperature, shutdown temperature)-temperature return difference 1 (the i.e. first temperature return difference).
The most intrasystem minimum leaving water temperature < preset value.
Example: minimum leaving water temperature < Min (design temperature, shutdown temperature)-temperature return difference 1 (the i.e. first temperature return difference).
(4) system closedown condition (following condition meets any one):
1. water tank temperature >=preset value.
Example: water tank temperature >=Min (design temperature, shutdown temperature)
The most intrasystem minimum leaving water temperature >=preset value.
Example: minimum leaving water temperature >=Min (design temperature, shutdown temperature)
As it is shown in fig. 7, the control method of the commercial water-heating machine system according to the 3rd embodiment of the present invention, including:
Step 702, it may be judged whether system is opened, if so, performs step 704;Otherwise, step 716 is performed.
Step 704, it may be judged whether unit is opened, if so, performs step 706;Otherwise, step 712 is performed.
Step 706, it is judged that whether coolant-temperature gage meets unit is closed condition, if so, performs step 708;Otherwise, step is performed Rapid 710.
Step 708, unit is closed.
Step 710, unit is held open.
Step 712, it is judged that whether coolant-temperature gage meets unit unlocking condition, if so, performs step 714;Otherwise, step is performed Rapid 716.
Step 714, unit is opened.
Step 716, unit remains turned-off.
Wherein, (1) unit is opened: compressor is opened, and regulates blower fan, electric expansion valve even load as required.
(2) unit is closed: compressor is closed, and other load closedown.
(3) unit unlocking condition: leaving water temperature < preset value.
Example: leaving water temperature < Min (design temperature, shutdown temperature)-temperature return difference 2 (the i.e. second temperature return difference).
(4) unit closedown condition: leaving water temperature >=preset value.
Example: leaving water temperature >=Min (design temperature, shutdown temperature).
In the above-described embodiments, the main frame of commercial water-heating machine system judges that system is turned on or off, and slave is sentenced respectively Disconnected respective unit is turned on or off, and when system is opened, if the leaving water temperature of some unit has reached closedown condition, then closes Close corresponding unit, both reached energy-conservation purpose, unit can be effectively protected again;Simultaneously because only rely on water tank temperature as sentencing Broken strip part, when water tank temperature sensor failure, the opening and closing of system judge the most inaccurate, so using leaving water temperature as One of Rule of judgment judges that system is turned on or off, and reduces the impact brought because of a certain sensor experiences failure, promotes Users'comfort.Such as: actual temperature is the highest, but break down sensor detection on the low side, cause system still to be opened Machine runs, using leaving water temperature as one of Rule of judgment, even if water tank temperature sensor failure, still can be by judging Coolant-temperature gage control system is shut down.
Technical scheme being described in detail above in association with accompanying drawing, the present invention proposes a kind of new commercial hot water machine The control program of system, main frame and the arbitrary unit from machine all can adjust state according to practical situation, it is achieved that to main frame and The protection of the arbitrary unit from machine, avoids the wasting of resources simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (13)

1. a control method for commercial water-heating machine system, described commercial water-heating machine system includes a main frame and multiple from machine, It is characterized in that, the control method of described commercial water-heating machine system includes:
Described main frame and multiple described determine whether that the system that receives opens signal from machine;
When determining that the system that receives opens signal, described main frame and each described determine respective current state respectively from machine, and According to described main frame with each described determine targets threshold from the respective current state of machine;
Described main frame and each described respectively respective leaving water temperature is compared with described targets threshold from machine;And
Described main frame and each described from machine respectively according to comparative result, and described main frame and each described from the current shape of machine State, it is determined whether revise described main frame or each described from the current state of machine.
The control method of commercial water-heating machine system the most according to claim 1, it is characterised in that described main frame and multiple described Determine whether that the system that receives is opened signal and specifically included from machine:
Calculate minimum leaving water temperature;
Determine the first state of system;
When the first state in described system is system unlatching, preset more than or equal to first at water tank temperature or minimum leaving water temperature During value, determine that the second state of described system is that system is closed, be both less than first at water tank temperature and minimum leaving water temperature and preset During value, determine that the second state of described system is that system is opened;
When the first state in described system is system closedown, it is both less than the second preset value at water tank temperature and minimum leaving water temperature Time, determine that the second state of described system is that system is opened, preset more than or equal to second at water tank temperature or minimum leaving water temperature During value, determine that the second state of described system is that system is closed;And
When described second state in described system is system unlatching, the system that sends opens signal.
The control method of commercial water-heating machine system the most according to claim 2, it is characterised in that described first preset value is for setting Little person in fixed temperature and shutdown temperature, and described second preset value is little in described design temperature and described shutdown temperature Person deducts the first temperature return difference.
The control method of commercial water-heating machine system the most according to any one of claim 1 to 3, it is characterised in that in institute Stating the current state of main frame and multiple described arbitrary unit from machine is unit when opening, and described targets threshold is design temperature With the little person in shutdown temperature, the current state at described main frame and multiple described arbitrary unit from machine is that unit is closed Time, described targets threshold is that the little person in design temperature and shutdown temperature deducts the second temperature return difference.
The control method of commercial water-heating machine system the most according to claim 4, it is characterised in that described according to comparing knot Really, and described main frame and each described from the current state of machine, determine whether respectively to revise described main frame or each described from The step of the current state of machine, specifically includes:
Current state at described main frame and multiple described arbitrary unit from machine is that unit is opened, and when described arbitrary machine When the leaving water temperature of group is more than or equal to described targets threshold, then the current state of described arbitrary unit is revised as unit and closes, Unit is otherwise kept to open;Or
Current state at described main frame and multiple described arbitrary unit from machine is that unit is closed, and when described arbitrary machine When the leaving water temperature of group is less than described targets threshold, then the current state of described arbitrary unit is revised as unit and opens, otherwise Unit is kept to close.
6. a control device for commercial water-heating machine system, described commercial water-heating machine system includes a main frame and multiple from machine, The control device of described commercial water-heating machine system is applicable to described main frame and each described from machine, it is characterised in that described commercialization The control device of water-heating machine system includes:
First determines unit, is used to determine whether that the system that receives opens signal;
Second determines unit, for described first determine unit determine receive system open signal time, determine described main frame and Each described from the current state of machine self, and according to described main frame with each described determine target from the respective current state of machine Threshold value;
Comparing unit, for by described main frame with each described compare with described targets threshold from the leaving water temperature of machine self Relatively;And
3rd determines unit, for according to comparative result, and described main frame and each described from the current state of machine self, really The fixed current state whether revising self.
The control device of commercial water-heating machine system the most according to claim 6, it is characterised in that described first determines that unit has Body is used for:
Calculate minimum leaving water temperature;
Determine the first state of system;
When the first state in described system is system unlatching, preset more than or equal to first at water tank temperature or minimum leaving water temperature During value, determine that the second state of described system is that system is closed, be both less than first at water tank temperature and minimum leaving water temperature and preset During value, determine that the second state of described system is that system is opened;
When the first state in described system is system closedown, it is both less than the second preset value at water tank temperature and minimum leaving water temperature Time, determine that the second state of described system is that system is opened, preset more than or equal to second at water tank temperature or minimum leaving water temperature During value, determine that the second state of described system is that system is closed;And
When described second state in described system is system unlatching, the system that sends opens signal.
The control device of commercial water-heating machine system the most according to claim 7, it is characterised in that described first preset value is for setting Little person in fixed temperature and shutdown temperature, and described second preset value is little in described design temperature and described shutdown temperature Person deducts the first temperature return difference.
9. according to the control device of the commercial water-heating machine system according to any one of claim 6 to 8, it is characterised in that in institute Stating the current state of main frame and multiple described arbitrary unit from machine is unit when opening, and described targets threshold is design temperature With the little person in shutdown temperature, the current state at described main frame and multiple described arbitrary unit from machine is that unit is closed Time, described targets threshold is that the little person in design temperature and shutdown temperature deducts the second temperature return difference.
The control device of commercial water-heating machine system the most according to claim 9, it is characterised in that the described 3rd determines list Unit specifically for:
Current state at described main frame and multiple described arbitrary unit from machine is that unit is opened, and when described arbitrary machine When the leaving water temperature of group is more than or equal to described targets threshold, then the current state of described arbitrary unit is revised as unit and closes, Unit is otherwise kept to open;Or
Current state at described main frame and multiple described arbitrary unit from machine is that unit is closed, and when described arbitrary machine When the leaving water temperature of group is less than described targets threshold, then the current state of described arbitrary unit is revised as unit and opens, otherwise Unit is kept to close.
The main frame of 11. 1 kinds of commercial water-heating machine systems, it is characterised in that including:
The control device of the commercial water-heating machine system as according to any one of claim 6 to 10.
12. 1 kinds of commercial water-heating machine systems from machine, it is characterised in that including:
The control device of the commercial water-heating machine system as according to any one of claim 6 to 10.
13. 1 kinds of commercial water-heating machine systems, it is characterised in that including:
The main frame of one commercial water-heating machine system as claimed in claim 11, and multiple commercialization as claimed in claim 12 Water-heating machine system from machine.
CN201610640227.1A 2016-08-05 2016-08-05 Commercial water-heating machine system and its control method, device, host and slave Active CN106288414B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610640227.1A CN106288414B (en) 2016-08-05 2016-08-05 Commercial water-heating machine system and its control method, device, host and slave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610640227.1A CN106288414B (en) 2016-08-05 2016-08-05 Commercial water-heating machine system and its control method, device, host and slave

Publications (2)

Publication Number Publication Date
CN106288414A true CN106288414A (en) 2017-01-04
CN106288414B CN106288414B (en) 2019-05-28

Family

ID=57666237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610640227.1A Active CN106288414B (en) 2016-08-05 2016-08-05 Commercial water-heating machine system and its control method, device, host and slave

Country Status (1)

Country Link
CN (1) CN106288414B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949623A (en) * 2017-03-29 2017-07-14 广东美的暖通设备有限公司 A kind of air-source water heater method for heating and controlling and device
CN110953778A (en) * 2019-12-17 2020-04-03 重庆美的通用制冷设备有限公司 Control method and system of refrigeration equipment, refrigeration equipment and readable storage medium

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503582A4 (en) * 2006-09-04 2007-11-15 Vaillant Austria Gmbh METHOD FOR OPERATING SEVERAL FLOW HEATERS
CN201037690Y (en) * 2007-03-12 2008-03-19 广东万和集团有限公司 Online device for gas water heater
CN202339013U (en) * 2011-11-07 2012-07-18 鸿茂工业股份有限公司 Central control device plurality of electric water heaters
CN102597648A (en) * 2010-10-21 2012-07-18 (株)庆东Network Method for controlling a parallel operation of a multi-water heater
CN103836801A (en) * 2012-11-22 2014-06-04 珠海格力电器股份有限公司 Water heater and control method and device thereof
CN105222361A (en) * 2015-10-29 2016-01-06 海信(山东)空调有限公司 A kind of heat-pump water heater control method, device and Teat pump boiler
CN205037586U (en) * 2015-10-08 2016-02-17 西北师范大学 Fuse water heater temperature control system based on android terminal and many nets

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503582A4 (en) * 2006-09-04 2007-11-15 Vaillant Austria Gmbh METHOD FOR OPERATING SEVERAL FLOW HEATERS
CN201037690Y (en) * 2007-03-12 2008-03-19 广东万和集团有限公司 Online device for gas water heater
CN102597648A (en) * 2010-10-21 2012-07-18 (株)庆东Network Method for controlling a parallel operation of a multi-water heater
CN202339013U (en) * 2011-11-07 2012-07-18 鸿茂工业股份有限公司 Central control device plurality of electric water heaters
CN103836801A (en) * 2012-11-22 2014-06-04 珠海格力电器股份有限公司 Water heater and control method and device thereof
CN205037586U (en) * 2015-10-08 2016-02-17 西北师范大学 Fuse water heater temperature control system based on android terminal and many nets
CN105222361A (en) * 2015-10-29 2016-01-06 海信(山东)空调有限公司 A kind of heat-pump water heater control method, device and Teat pump boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949623A (en) * 2017-03-29 2017-07-14 广东美的暖通设备有限公司 A kind of air-source water heater method for heating and controlling and device
CN110953778A (en) * 2019-12-17 2020-04-03 重庆美的通用制冷设备有限公司 Control method and system of refrigeration equipment, refrigeration equipment and readable storage medium

Also Published As

Publication number Publication date
CN106288414B (en) 2019-05-28

Similar Documents

Publication Publication Date Title
CN104990232B (en) Control method, control device and the control system of air conditioner
CN104990200B (en) A kind of air conditioning control method and air-conditioning
CN106403142B (en) Multi-online air-conditioning system indoor unit abnormal power-down guard method
CN104154663B (en) Temperature sensor active redundancy(-ce) method based on constant temp gas water heater
JP5022920B2 (en) Air conditioner
CN103512146B (en) Air conditioning control method and device
CN109990439A (en) A kind of control method, control device and air conditioner that the commutation of air-conditioning four-way valve is abnormal
CN106288414A (en) Commercial water-heating machine system and control method thereof, device, main frame and from machine
CN104422076A (en) Air conditioner cooling unit and anti-freezing control method thereof
CN106016579A (en) Air-conditioner system and subsection control method and device for preventing refrigerant leakage
CN104729096A (en) Heat-pump water heater and electric heating control method, device and system thereof
CN109724119A (en) A kind of household appliances heating utensil being avoided that erroneous judgement defencive function failure
CN106765950A (en) The control method of air-conditioning heating system, control device and air-conditioner
CN106507403A (en) The control method of wireless network module and control device
CN106196469B (en) A kind of control device and control method of air-conditioning
CN105752774A (en) Control method and control system of elevator air conditioner
CN105615664A (en) Control method and control device of water dispenser
CN109282424A (en) Air-conditioner control method, air conditioner controlling device
CN109323459A (en) The control method of water circuit system and water circuit system
CN103542537B (en) The constant temperature water filling control method and system of hot water machine
CN107055239B (en) Door lock of elevator detection method and system
CN105066451A (en) Gas water heater, outlet water temperature control method of gas water heater and water heating system
CN110186148A (en) A kind of control method, system and the air-conditioning of the anti-secondary refrigerant leakage protection of hot water model
CN107062381A (en) A kind of water-heating system pipeline water flow amount control method and device
US11408643B2 (en) Water heating apparatus with immediate hot water supply function and water heating system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant