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 PDFInfo
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- 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
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- machine
- main frame
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- state
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement 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
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.
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