CN104729096A - Heat-pump water heater and electric heating control method, device and system thereof - Google Patents
Heat-pump water heater and electric heating control method, device and system thereof Download PDFInfo
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- CN104729096A CN104729096A CN201310724354.6A CN201310724354A CN104729096A CN 104729096 A CN104729096 A CN 104729096A CN 201310724354 A CN201310724354 A CN 201310724354A CN 104729096 A CN104729096 A CN 104729096A
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Abstract
The invention discloses a heat-pump water heater and an electric heating control method, device and system thereof. The method includes: detecting whether current water temperature of a water tank of the heat-pump water heater is greater than a preset threshold; if not, calculating a difference between the current water temperature and first water temperature which is water temperature of the water tank in a preset time before the current time; according to the difference, controlling electric heating for the water tank. The problem that the prior heat-pump water heater using electricity is low in heating speed is solved, and the water temperature of the water tank is quickly increased to the set temperature.
Description
Technical field
The present invention relates to water heater control field, in particular to a kind of Teat pump boiler and electric heating controlling method, device, system.
Background technology
Teat pump boiler, particularly air source water heater, become the hot issue of hot water industry.But all there is certain problem in most of Teat pump boiler of the prior art.One of them problem is that leaving water temperature can not too high (general maximum water temperature only has 55 DEG C), and when another problem is low ambient temperature, firing rate is slow.In order to solve this two problems, in industry, electrically heated method joined by the general water tank that adopts, particularly, existing electric heating controlling method is after water temperature is greater than a certain temperature (this temperature is between 50 ~ 60), open electrical heating, after using this kind of control method water tank to open electrical heating, firing rate promotes to some extent but consumes energy simultaneously and also increases.
For the problem that electrothermal pump water heater firing rate in prior art is slow, at present effective solution is not yet proposed.
Summary of the invention
For the problem that electrothermal pump water heater firing rate in correlation technique is slow, at present effective solution is not yet proposed, for this reason, main purpose of the present invention is to provide a kind of Teat pump boiler and electric heating controlling method, device, system, to solve the problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of electric heating controlling method of Teat pump boiler, this electric heating controlling method comprises: whether the current water temperature detecting the water tank of Teat pump boiler is greater than predetermined threshold value; When the current water temperature of water tank is not more than predetermined threshold value, calculate the difference of current water temperature and the first water temperature, wherein, the first water temperature is the water temperature of water tank preset time period before current time; The electrical heating to water tank is controlled according to difference.
Further, control to comprise the electrically heated step of water tank according to difference: when difference is less than or equal to the first default heating threshold value, open the electrical heating to water tank; When difference is more than or equal to the second default heating threshold value, close the electrical heating to water tank; When difference is greater than the first default heating threshold value and is less than the second default heating threshold value, maintain the current electrical heating state of water tank, wherein, the default heating threshold value+1 of the first default heating threshold value < second.
Further, after whether the current water temperature of the water tank detecting Teat pump boiler is greater than predetermined threshold value, electric heating controlling method also comprises: when the current water temperature of water tank is greater than predetermined threshold value, detect current water temperature and whether be less than set water temperature, wherein, when current water temperature is less than set water temperature, continue to carry out electrical heating to water tank; When current water temperature is not less than set water temperature, stop heating water tanks.
To achieve these goals, according to a further aspect in the invention, provide a kind of electric heating control device of Teat pump boiler, this electric heating control device comprises: first detection module, whether is greater than predetermined threshold value for the current water temperature detecting the water tank of Teat pump boiler; Computing module, for when the current water temperature of water tank is not more than predetermined threshold value, calculate the difference of current water temperature and the first water temperature, wherein, the first water temperature is the water temperature of water tank preset time period before current time; Control module, for controlling the electrical heating to water tank according to difference.
Further, control module comprises: opening module, for being less than or equal to the first default heating threshold value in difference, opens the electrical heating to water tank; Closing module, for being more than or equal to the second default heating threshold value in difference, closes the electrical heating to water tank; Maintain module, for being greater than the first default heating threshold value in difference and being less than the second default heating threshold value, maintain the current electrical heating state of water tank, wherein, the default heating threshold value+1 of the first default heating threshold value < second.
Further, electric heating control device also comprises: the second detection module, for when the current water temperature of water tank is greater than predetermined threshold value, detect current water temperature and whether be less than set water temperature, continuous heating module, for when current water temperature is less than set water temperature, continue to carry out electrical heating to water tank; Stopping modular, for when current water temperature is not less than set water temperature, stops heating water tanks.
To achieve these goals, according to a further aspect in the invention, provide a kind of electric-heating control system of Teat pump boiler, this electric-heating control system comprises: temperature sensor, is connected with the water tank of Teat pump boiler, for gathering the current water temperature of water tank; Processor, is connected with temperature sensor, whether is greater than predetermined threshold value for detecting current water temperature, and when the current water temperature of water tank is not more than predetermined threshold value, calculates the difference of current water temperature and the first water temperature, then controls to generate control signal according to difference; Electric heater unit, is connected between processor and water tank, and under control of the control signal to heating water tanks, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Further, processor comprises: the first processing unit, is connected with electric heater unit, and for being less than or equal to the first default heating threshold value in difference, generate start signal, electric heater unit starts the electrical heating to water tank under the control of start signal; Second processing unit, is connected with electric heater unit, and for being more than or equal to the second default heating threshold value in difference, generate shutdown signal, electric heater unit suspends the electrical heating to water tank under the control of shutdown signal; 3rd processing unit, be connected with electric heater unit, for being greater than the first default heating threshold value in difference and being less than the second default heating threshold value, generate and maintain signal, electric heater unit maintains the current electrical heating state to water tank under the control maintaining signal, and wherein, first presets heating threshold value < second presets heating threshold value+1, control signal comprises start signal, shutdown signal and maintenance signal.
Further, temperature sensor comprises: water tank temperature-sensitive bag, and water tank has relative first end and the second end, and water tank temperature-sensitive bag is arranged on first end and the second end, or water tank temperature-sensitive bag is arranged between first end and the second end; Electric heater unit is arranged on first end or second end of water tank.
To achieve these goals, according to a further aspect in the invention, provide a kind of Teat pump boiler, this Teat pump boiler comprises: the electric-heating control system of Teat pump boiler.
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, computing module calculate current water temperature and current time before the difference of the first water temperature of preset time period, control module controls the electrical heating to water tank according to this difference, also namely in this control method when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, the method makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the electric heating control device of Teat pump boiler according to the embodiment of the present invention;
Fig. 2 is the control principle drawing of the electric-heating control system of Teat pump boiler according to the embodiment of the present invention; And
Fig. 3 is the flow chart of the electric heating controlling method of Teat pump boiler according to the embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the structural representation of the electric heating control device of Teat pump boiler according to the embodiment of the present invention.As shown in Figure 1, this electric heating control device comprises: first detection module 10, whether is greater than predetermined threshold value for the current water temperature detecting the water tank of Teat pump boiler; Computing module 30, for when the current water temperature of water tank is not more than predetermined threshold value, calculate the difference of current water temperature and the first water temperature, wherein, the first water temperature is the water temperature of water tank preset time period before current time; Control module 50, for controlling the electrical heating to water tank according to difference.
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, computing module calculate current water temperature and current time before the difference of the first water temperature of preset time period, control module controls the electrical heating to water tank according to this difference, also namely in this control device when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, this device makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
Wherein, the unit of preset time period is minute, particularly, and the value A ∈ [5,30] of preset time period, preferably, A value 15.Also namely, in the above-described embodiments, the first water temperature is the water temperature before current time 15 minutes.
According to the abovementioned embodiments of the present invention, control module comprises: opening module, for being less than or equal to the first default heating threshold value in difference, opens the electrical heating to water tank; Closing module, for being more than or equal to the second default heating threshold value in difference, closes the electrical heating to water tank; Maintain module, for being greater than the first default heating threshold value in difference and being less than the second default heating threshold value, maintain the current electrical heating state of water tank, wherein, the default heating threshold value+1 of the first default heating threshold value < second.
Particularly, after the compressor start of unit, calculate the current water temperature T detected
when-T
a=T
difference, work as T
differenceduring≤X, generate start signal, electric heater unit starts the electrical heating to water tank; Work as T
differenceduring>=Y, generate shutdown signal, electric heater unit suspends the electrical heating to water tank, and in fact in that case, electric heater unit is in out-of-work state; As X < T
differenceduring < Y, the electric heater unit of water tank maintains current electrical heating state, also, if current electric heater unit is heating water tanks, continues as heating water tanks; If current electric heater unit stopped as heating water tanks, continue to stop as heating water tanks.
Wherein, X is the first default heating threshold value, and the value of X can be the value that user pre-sets, and the span of X is 0.1 ~ 5, and preferably, X value is 3; Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, and the span of Y is 0.5 ~ 10, and preferably, Y value is 5.
In above-described embodiment, during for arranging the first default heating threshold value and the second default heating threshold value, X < Y+1.
Pass through above-described embodiment, preset by the temperature difference and first of current water temperature and the first water temperature and heat threshold value and the second default relation heating threshold value, the electrical heating of conservative control water tank, make firing rate more reasonable, hommization more, due under this kind of control method, electric heater unit is heating water tanks by the temperature difference of current water temperature and the first water temperature by spells, instead of the electrical heating always when water temperature is greater than a certain temperature in prior art, thus can while improving the firing rate to water tank, save the energy consumed in whole heating process, balance the problem of firing rate and efficiency well.
In the above embodiment of the present invention, electric heating control device also comprises: the second detection module, for when the current water temperature of water tank is greater than predetermined threshold value, detect current water temperature and whether be less than set water temperature, continuous heating module, for when current water temperature is less than set water temperature, continue to carry out electrical heating to water tank; Stopping modular, for when current water temperature is not less than set water temperature, stops heating water tanks.
As the current water temperature T detected
whenduring≤Z, perform the computing module in above-described embodiment and control module.Wherein, Z is predetermined threshold value, and the unit of predetermined threshold value is DEG C, the value ∈ [50,60] of Z, preferably, and Z value 55 DEG C.
At Z < T
when< T
iftime, processor controls electric heater unit and is held open, and namely control electric heater unit and continue heating water tanks, other loads are closed.
To achieve these goals, according to a further aspect in the invention, provide a kind of electric-heating control system of Teat pump boiler, this electric-heating control system comprises: temperature sensor, is connected with the water tank of Teat pump boiler, for gathering the current water temperature of water tank; Processor, is connected with temperature sensor, whether is greater than predetermined threshold value for detecting current water temperature, and when the current water temperature of water tank is not more than predetermined threshold value, calculates the difference of current water temperature and the first water temperature, then controls to generate control signal according to difference; Electric heater unit, is connected between processor and water tank, and under control of the control signal to heating water tanks, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, the difference of the first water temperature of preset time period before calculating current water temperature and current time, and control the electrical heating to water tank according to this difference, also namely in this control method when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, the method makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
In the above embodiment of the present invention, as shown in Figure 2, processor comprises: the first processing unit, be connected with electric heater unit, for being less than or equal to the first default heating threshold value in difference, generate start signal, electric heater unit starts the electrical heating to water tank under the control of start signal; Second processing unit, is connected with electric heater unit, and for being more than or equal to the second default heating threshold value in difference, generate shutdown signal, electric heater unit suspends the electrical heating to water tank under the control of shutdown signal; 3rd processing unit, be connected with electric heater unit, for being greater than the first default heating threshold value in difference and being less than the second default heating threshold value, generate and maintain signal, electric heater unit maintains the current electrical heating state to water tank under the control maintaining signal, and wherein, first presets heating threshold value < second presets heating threshold value+1, control signal comprises start signal, shutdown signal and maintenance signal.
Particularly, after the compressor start of unit, calculate the current water temperature T detected
when-T
a=T
difference, work as T
differenceduring≤X, generate start signal, electric heater unit starts the electrical heating to water tank; Work as T
differenceduring>=Y, generate shutdown signal, electric heater unit suspends the electrical heating to water tank, and in fact in that case, electric heater unit is in out-of-work state; As X < T
differenceduring < Y, the electric heater unit of water tank maintains current electrical heating state, also, if current electric heater unit is heating water tanks, continues as heating water tanks; If current electric heater unit stopped as heating water tanks, continue to stop as heating water tanks.
Wherein, X is the first default heating threshold value, and the value of X can be the value that user pre-sets, and the span of X is 0.1 ~ 5, and preferably, X value is 3; Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, and the span of Y is 0.5 ~ 10, and preferably, Y value is 5.
In above-described embodiment, during for arranging the first default heating threshold value and the second default heating threshold value, X < Y+1.
Pass through above-described embodiment, preset by the temperature difference and first of current water temperature and the first water temperature and heat threshold value and the second default relation heating threshold value, the electrical heating of conservative control water tank, make firing rate more reasonable, hommization more, due under this kind of control method, electric heater unit is heating water tanks by the temperature difference of current water temperature and the first water temperature by spells, instead of the electrical heating always when water temperature is greater than a certain temperature in prior art, thus can while improving the firing rate to water tank, save the energy consumed in whole heating process, balance the problem of firing rate and efficiency well.
In the above embodiment of the present invention, temperature sensor can comprise: water tank temperature-sensitive bag, and water tank has relative first end and the second end, and water tank temperature-sensitive bag is arranged on first end and the second end, or water tank temperature-sensitive bag is arranged between first end and the second end; Electric heater unit is arranged on first end or second end of water tank.Water temperature can be detected by water tank temperature-sensitive bag.
As the current water temperature T detected
whenduring≤Z, the processor in above-described embodiment carries out step S304 and the step S306 realization calculating in following embodiment of the method and controls.
Wherein, Z is predetermined threshold value, and the unit of predetermined threshold value is DEG C, the value ∈ [50,60] of Z, preferably, and Z value 55 DEG C.
At Z < T
when< T
iftime, water tank electrical heating is held open, and other loads are closed.
To achieve these goals, according to a further aspect in the invention, provide a kind of Teat pump boiler, this Teat pump boiler comprises: the electric-heating control system of the Teat pump boiler in any one embodiment above-mentioned.
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, the difference of the first water temperature of preset time period before calculating current water temperature and current time, and control the electrical heating to water tank according to this difference, also namely in this control method when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, the method makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
Fig. 3 is the flow chart of the electric heating controlling method of Teat pump boiler according to the embodiment of the present invention, and the method comprises the steps: as shown in Figure 3
Step S302, whether the current water temperature detecting the water tank of Teat pump boiler is greater than predetermined threshold value.
Step S304, when the current water temperature of water tank is not more than predetermined threshold value, calculate the difference of current water temperature and the first water temperature, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Step S306, controls the electrical heating to water tank according to difference.
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, the difference of the first water temperature of preset time period before calculating current water temperature and current time, and control the electrical heating to water tank according to this difference, also namely in this control method when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, the method makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
Wherein, the unit of preset time period is minute, particularly, and the value A ∈ [5,30] of preset time period, preferably, A value 15.Also namely, in the above-described embodiments, the first water temperature is the water temperature before current time 15 minutes.
In the above embodiment of the present invention, control to comprise the electrically heated step of water tank according to difference: when difference is less than or equal to the first default heating threshold value, open the electrical heating to water tank; When difference is more than or equal to the second default heating threshold value, close the electrical heating to water tank; When difference is greater than the first default heating threshold value and is less than the second default heating threshold value, maintain the current electrical heating state of water tank, wherein, the default heating threshold value+1 of the first default heating threshold value < second.
Particularly, after the compressor start of unit, calculate the current water temperature T detected
when-T
a=T
difference, work as T
differenceduring≤X, generate start signal, electric heater unit starts the electrical heating to water tank; Work as T
differenceduring>=Y, generate shutdown signal, electric heater unit suspends the electrical heating to water tank, and in fact in that case, electric heater unit is in out-of-work state; As X < T
differenceduring < Y, generate and maintain signal, the electric heater unit of water tank maintains current electrical heating state, also, if current electric heater unit is heating water tanks, continues as heating water tanks; If current electric heater unit stopped as heating water tanks, continue to stop as heating water tanks.
Wherein, X is the first default heating threshold value, and the value of X can be the value that user pre-sets, and the span of X is 0.1 ~ 5, and preferably, X value is 3; Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, and the span of Y is 0.5 ~ 10, and preferably, Y value is 5.
In above-described embodiment, during for arranging the first default heating threshold value and the second default heating threshold value, X < Y+1.
Pass through above-described embodiment, preset by the temperature difference and first of current water temperature and the first water temperature and heat threshold value and the second default relation heating threshold value, the electrical heating of conservative control water tank, make firing rate more reasonable, hommization more, due under this kind of control method, electric heater unit is heating water tanks by the temperature difference of current water temperature and the first water temperature by spells, instead of the electrical heating always when water temperature is greater than a certain temperature in prior art, thus can while improving the firing rate to water tank, save the energy consumed in whole heating process, balance the problem of firing rate and efficiency well.
In the above embodiment of the present invention, after whether the current water temperature of the water tank detecting Teat pump boiler is greater than predetermined threshold value, electric heating controlling method also comprises: when the current water temperature of water tank is greater than predetermined threshold value, detect current water temperature and whether be less than set water temperature, wherein, when current water temperature is less than set water temperature, continue to carry out electrical heating to water tank; When current water temperature is not less than set water temperature, stop heating water tanks.
As the current water temperature T detected
whenduring≤Z, perform the step S304 in above-described embodiment and step S306.
Wherein, Z is predetermined threshold value, and the unit of predetermined threshold value is DEG C, the value ∈ [50,60] of Z, preferably, and Z value 55 DEG C.
At Z < T
when< T
iftime, water tank electrical heating is held open, and other loads are closed.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
As can be seen from the above description, present invention achieves following technique effect:
Adopt the present invention, when the current water temperature of water tank is not more than predetermined threshold value, the difference of the first water temperature of preset time period before calculating current water temperature and current time, and control the electrical heating to water tank according to this difference, also namely in this control method when current water temperature is not more than predetermined threshold value, by comparing the first water temperature before current water temperature and current time, control the electrical heating of water tank, thus make electrically heated control more accurate, more gear to actual circumstances, instead of unalterable heating in a certain temperature range of the prior art, in the control method that other temperature ranges do not heat, the method makes the water temperature of water tank can reach the temperature of setting quickly, solve the problem that in prior art, electrothermal pump water heater firing rate is slow, achieve the water tank of electrothermal pump water heater, the water temperature of water tank is made to reach the effect of design temperature fast.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an electric heating controlling method for Teat pump boiler, is characterized in that, comprising:
Whether the current water temperature detecting the water tank of Teat pump boiler is greater than predetermined threshold value;
When the current water temperature of described water tank is not more than described predetermined threshold value, calculate the difference of described current water temperature and the first water temperature, wherein, described first water temperature is the water temperature of described water tank preset time period before current time;
The electrical heating to described water tank is controlled according to described difference.
2. electric heating controlling method according to claim 1, is characterized in that, controls to comprise the electrically heated step of described water tank according to described difference:
When described difference is less than or equal to the first default heating threshold value, open the electrical heating to described water tank;
When described difference is more than or equal to the second default heating threshold value, close the electrical heating to described water tank;
When described difference is greater than the described first default heating threshold value and is less than the described second default heating threshold value, maintain the current electrical heating state of described water tank,
Wherein, described first the second default heating threshold value+1 described in heating threshold value < is preset.
3. electric heating controlling method according to claim 1, is characterized in that, after whether the current water temperature of the water tank detecting Teat pump boiler is greater than predetermined threshold value, described electric heating controlling method also comprises:
When the current water temperature of described water tank is greater than described predetermined threshold value, detects described current water temperature and whether be less than set water temperature,
Wherein, when described current water temperature is less than described set water temperature, continue to carry out electrical heating to described water tank;
When described current water temperature is not less than described set water temperature, stop described heating water tanks.
4. an electric heating control device for Teat pump boiler, is characterized in that, comprising:
Whether first detection module, be greater than predetermined threshold value for the current water temperature detecting the water tank of Teat pump boiler;
Computing module, for when the current water temperature of described water tank is not more than described predetermined threshold value, calculates the difference of described current water temperature and the first water temperature, and wherein, described first water temperature is the water temperature of described water tank preset time period before current time;
Control module, for controlling the electrical heating to described water tank according to described difference.
5. electric heating control device according to claim 4, is characterized in that, described control module comprises:
Opening module, for being less than or equal to the first default heating threshold value in described difference, opens the electrical heating to described water tank;
Closing module, for being more than or equal to the second default heating threshold value in described difference, closes the electrical heating to described water tank;
Maintain module, for being greater than the described first default heating threshold value in described difference and being less than the described second default heating threshold value, maintain the current electrical heating state of described water tank,
Wherein, described first the second default heating threshold value+1 described in heating threshold value < is preset.
6. electric heating control device according to claim 4, is characterized in that, described electric heating control device also comprises:
Second detection module, for when the current water temperature of described water tank is greater than described predetermined threshold value, detects described current water temperature and whether is less than set water temperature,
Continuous heating module, for when described current water temperature is less than described set water temperature, continues to carry out electrical heating to described water tank;
Stopping modular, for when described current water temperature is not less than described set water temperature, stops described heating water tanks.
7. an electric-heating control system for Teat pump boiler, is characterized in that, comprising:
Temperature sensor, is connected with the water tank of Teat pump boiler, for gathering the current water temperature of described water tank;
Processor, be connected with described temperature sensor, whether predetermined threshold value is greater than for detecting described current water temperature, and when the current water temperature of described water tank is not more than described predetermined threshold value, calculate the difference of described current water temperature and the first water temperature, then control to generate control signal according to described difference;
Electric heater unit, is connected between described processor and described water tank, under the control of said control signal to described heating water tanks,
Wherein, described first water temperature is the water temperature of described water tank preset time period before current time.
8. electric-heating control system according to claim 7, is characterized in that, described processor comprises:
First processing unit, is connected with described electric heater unit, and for being less than or equal to the first default heating threshold value in described difference, generate start signal, described electric heater unit starts the electrical heating to described water tank under the control of described start signal;
Second processing unit, is connected with described electric heater unit, and for being more than or equal to the second default heating threshold value in described difference, generate shutdown signal, described electric heater unit suspends the electrical heating to described water tank under the control of described shutdown signal;
3rd processing unit, be connected with described electric heater unit, for being greater than the described first default heating threshold value in described difference and being less than the described second default heating threshold value, generate and maintain signal, described electric heater unit maintains the current electrical heating state to described water tank under the control of described maintenance signal
Wherein, described first presets the second default heating threshold value+1 described in heating threshold value <, and described control signal comprises described start signal, described shutdown signal and described maintenance signal.
9. electric-heating control system according to claim 7, is characterized in that,
Described temperature sensor comprises: water tank temperature-sensitive bag,
Described water tank has relative first end and the second end, and described water tank temperature-sensitive bag is arranged on described first end and described second end, or described water tank temperature-sensitive bag is arranged between described first end and described second end;
Described electric heater unit is arranged on first end or second end of described water tank.
10. a Teat pump boiler, is characterized in that, comprising: the electric-heating control system of the Teat pump boiler in claim 7 to 9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724354.6A CN104729096B (en) | 2013-12-24 | 2013-12-24 | Teat pump boiler and its electric heating controlling method, device, system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724354.6A CN104729096B (en) | 2013-12-24 | 2013-12-24 | Teat pump boiler and its electric heating controlling method, device, system |
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