CN104729096B - Teat pump boiler and its electric heating controlling method, device, system - Google Patents
Teat pump boiler and its electric heating controlling method, device, system Download PDFInfo
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- CN104729096B CN104729096B CN201310724354.6A CN201310724354A CN104729096B CN 104729096 B CN104729096 B CN 104729096B CN 201310724354 A CN201310724354 A CN 201310724354A CN 104729096 B CN104729096 B CN 104729096B
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Abstract
The invention discloses a kind of Teat pump boiler and its electric heating controlling method, device, system.Wherein, the electric heating controlling method includes：Detect whether the current water temperature of the water tank of Teat pump boiler is more than predetermined threshold value；In the case where the current water temperature of water tank is not more than predetermined threshold value, the difference of current water temperature and the first water temperature is calculated, wherein, the first water temperature is the water temperature of water tank preset time period before current time；Electrical heating according to difference control to water tank.Using the present invention, solve the problems, such as that electrical heating Teat pump boiler firing rate is slow in the prior art, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved the effect of design temperature.
Description
Technical field
The present invention relates to water heater control field, in particular to a kind of Teat pump boiler and its electric heating control side
Method, device, system.
Background technology
Teat pump boiler, particularly air source water heater, have become the hot issue of hot water industry.But, existing skill
Most of Teat pump boiler in art all there is a problem of certain.One of problem is that leaving water temperature can not be too high（Typically most
Leaving water temperature high only has 55 DEG C）, firing rate is slow when another problem is low ambient temperature.In order to solve the two problems, OK
General in the industry to match somebody with somebody electrically heated method using water tank, specifically, existing electric heating controlling method is that water temperature is more than a certain temperature
（The temperature is between 50~60）Afterwards, electrical heating is opened, there be firing rate after opening electrical heating using this kind of control method water tank
Lifted but also increase while being consumed energy.
For the problem that electrical heating Teat pump boiler firing rate in the prior art is slow, effective solution is not yet proposed at present
Scheme.
The content of the invention
For the problem that electrical heating Teat pump boiler firing rate in correlation technique is slow, effective solution is not yet proposed at present
Scheme, therefore, it is a primary object of the present invention to provide a kind of Teat pump boiler and its electric heating controlling method, device, system,
To solve the above problems.
To achieve these goals, according to an aspect of the invention, there is provided a kind of electrical heating control of Teat pump boiler
Method processed, the electric heating controlling method includes：Detect whether the current water temperature of the water tank of Teat pump boiler is more than predetermined threshold value；
In the case that the current water temperature of water tank is not more than predetermined threshold value, the difference of current water temperature and the first water temperature is calculated, wherein, the first water
Temperature is the water temperature of water tank preset time period before current time；Electrical heating according to difference control to water tank.
Further, the electrically heated step of water tank is included according to difference control：It is pre- less than or equal to first in difference
If in the case of heating threshold value, opening the electrical heating to water tank；In situation of the difference more than or equal to the second default heating threshold value
Under, close the electrical heating to water tank；In difference more than the first default heating threshold value and less than the situation of the second default heating threshold value
Under, the current electrical heating state of water tank is maintained, wherein, the first default heating threshold value<Second default heating threshold value+1.
Further, after whether the current water temperature of the water tank of detection Teat pump boiler is more than predetermined threshold value, electrical heating
Control method also includes：In the case where the current water temperature of water tank is more than predetermined threshold value, whether detection current water temperature is less than setting
Water temperature, wherein, in the case where current water temperature is less than set water temperature, persistently water tank is electrically heated；It is not small in current water temperature
In the case of set water temperature, stop to heating water tanks.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of electrical heating control of Teat pump boiler
Device processed, the electric heating control device includes：First detection module, the current water temperature of water tank for detecting Teat pump boiler is
It is no more than predetermined threshold value；Computing module, in the case of being not more than predetermined threshold value in the current water temperature of water tank, calculates current water
The difference of 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 mould
Block, for the electrical heating according to difference control to water tank.
Further, control module includes：Opening module, for presetting heating threshold value less than or equal to first in difference
In the case of, open the electrical heating to water tank；Closedown module, in situation of the difference more than or equal to the second default heating threshold value
Under, close the electrical heating to water tank；Maintenance module, adds for presetting heating threshold value more than first and being preset less than second in difference
In the case of hot threshold value, the current electrical heating state of water tank is maintained, wherein, the first default heating threshold value<Second default heating threshold
Value+1.
Further, electric heating control device also includes：Second detection module, for the current water temperature in water tank more than pre-
If in the case of threshold value, whether detection current water temperature is less than set water temperature, continuous heating module sets for being less than in current water temperature
In the case of determining water temperature, persistently water tank is electrically heated；Stopping modular, in feelings of the current water temperature not less than set water temperature
Under condition, stop to heating water tanks.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of electrical heating control of Teat pump boiler
System processed, the electric-heating control system includes：Temperature sensor, is connected, with the water tank of Teat pump boiler for gathering water tank
Current water temperature；Whether processor, is connected with temperature sensor, for detecting current water temperature more than predetermined threshold value, and in water tank
In the case that current water temperature is not more than predetermined threshold value, the difference of current water temperature and the first water temperature is calculated, then according to difference control
Generation control signal；Electric heater unit, is connected between processor and water tank, for adding to water tank under control of the control signal
Heat, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Further, processor includes：First processing units, are connected with electric heater unit, for being less than or waiting in difference
In the case of the first default heating threshold value, open signal is generated, electric heater unit starts to water under the control of open signal
The electrical heating of case；Second processing unit, is connected with electric heater unit, for presetting heating threshold value more than or equal to second in difference
In the case of, shutdown signal is generated, electric heater unit suspends the electrical heating to water tank under the control of shutdown signal；3rd treatment
Unit, is connected with electric heater unit, for presetting heating threshold value more than the first default heating threshold value and less than second in difference
In the case of, generation maintains signal, electric heater unit that the current electrical heating state to water tank is maintained under the control for maintaining signal, its
In, the first default heating threshold value<Second default heating threshold value+1, control signal includes open signal, shutdown signal and maintenance
Signal.
Further, temperature sensor includes：Water tank temperature-sensitive bag, water tank has relative first end and the second end, 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 sets
Put the first end in water tank or the second end.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of Teat pump boiler, the heat-pump hot-water
Device includes：The electric-heating control system of Teat pump boiler.
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, computing module calculates current water
The difference of the first water temperature of preset time period before temperature and current time, control module controls to add the electricity of water tank according to the difference
Heat, namely in the case of being not more than predetermined threshold value in current water temperature in the control method, by comparing current water temperature and current
The first water temperature before time, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic,
Heated in a certain temperature range rather than of the prior art unalterable, in the controlling party that other temperature ranges are not heated
Method, the method allows that the water temperature of water tank quickly reaches the temperature of setting, solves electrical heating Heat Pump in the prior art
The slow problem of hydrophone firing rate, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved setting temperature
The effect of degree.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining 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 embodiments of the present invention；
Fig. 2 is the control principle drawing of the electric-heating control system of Teat pump boiler according to embodiments of the present invention；And
Fig. 3 is the flow chart of the electric heating controlling method of Teat pump boiler according to embodiments of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the structural representation of the electric heating control device of Teat pump boiler according to embodiments of the present invention.Such as Fig. 1 institutes
Show, the electric heating control device includes：First detection module 10, for detect Teat pump boiler water tank current water temperature whether
More than predetermined threshold value；Computing module 30, in the case of being not more than predetermined threshold value in the current water temperature of water tank, calculates current water
The difference of 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 the electrical heating according to difference control to water tank.
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, computing module calculates current water
The difference of the first water temperature of preset time period before temperature and current time, control module controls to add the electricity of water tank according to the difference
Heat, namely in the case of being not more than predetermined threshold value in current water temperature in the control device, by comparing current water temperature and current
The first water temperature before time, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic,
Heated in a certain temperature range rather than of the prior art unalterable, in the controlling party that other temperature ranges are not heated
Method, the device allows that the water temperature of water tank quickly reaches the temperature of setting, solves electrical heating Heat Pump in the prior art
The slow problem of hydrophone firing rate, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved setting temperature
The effect of degree.
Wherein, the unit of preset time period is minute, specifically, value A ∈ [5,30] of preset time period, it is preferable that A takes
Value 15.That is, in the above-described embodiments, the first water temperature is 15 minutes water temperatures before of current time.
According to the abovementioned embodiments of the present invention, control module includes：Opening module, for being less than or equal to first in difference
In the case of default heating threshold value, the electrical heating to water tank is opened；Closedown module, for being preset more than or equal to second in difference
In the case of heating threshold value, the electrical heating to water tank is closed；Maintenance module, in difference heating threshold value default more than first and
In the case of less than the second default heating threshold value, the current electrical heating state of water tank is maintained, wherein, the first default heating threshold value<
Second default heating threshold value+1.
Specifically, after the compressor start of unit, the current water temperature T that calculating is detectedWhen-TA=TDifference, work as TDifferenceDuring≤X, generation
Open signal, electric heater unit starts the electrical heating to water tank；Work as TDifferenceDuring >=Y, shutdown signal is generated, electric heater unit pause is right
The electrical heating of water tank, actually in that case, electric heater unit is in the state being stopped；As X ＜ TDifferenceDuring ＜ Y, water
The electric heater unit of case maintains current electrical heating state, if that is, current electric heater unit is being heating water tanks, continuation
It is heating water tanks；If it is heating water tanks that current electric heater unit stopped, continue to stop to be 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, it is preferable that X values are 3；Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, the value model of Y
Enclose is 0.5~10, it is preferable that Y values are 5.
In above-described embodiment, for setting when the first default heating threshold value and the second default heating threshold value, X ＜ Y+1.
It is pre- with the first default heating threshold value and second with the temperature difference of the first water temperature by current water temperature by above-described embodiment
If heating the relation of threshold value, rationally control water tank electrical heating makes firing rate more reasonable, more hommization, due in this kind
Under control method, the temperature difference that electric heater unit passes through current water temperature and the first water temperature is by spells heating water tanks, rather than
The electrical heating always when water temperature is more than a certain temperature in the prior art, such that it is able to improve to the same of the firing rate of water tank
When, the energy consumed in whole heating process is saved, the problem of firing rate and efficiency is balanced well.
In the above embodiment of the present invention, electric heating control device also includes：Second detection module, in water tank
More than in the case of predetermined threshold value, whether detection current water temperature is less than set water temperature to current water temperature, continuous heating module, for
Current water temperature is persistently electrically heated less than in the case of set water temperature to water tank；Stopping modular, for not small in current water temperature
In the case of set water temperature, stop to heating water tanks.
As the current water temperature T for detectingWhenDuring≤Z, the computing module and control module in above-described embodiment are performed.Wherein, Z
Be predetermined threshold value, the unit of predetermined threshold value for DEG C, the value ∈ [50,60] of Z, it is preferable that 55 DEG C of Z values.
In Z ＜ TWhen＜ TIfWhen, processor control electric heater unit keeps it turned on, that is, control electric heater unit persistently to water tank
Heating, other loads are closed.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of electrical heating control of Teat pump boiler
System processed, the electric-heating control system includes：Temperature sensor, is connected, with the water tank of Teat pump boiler for gathering water tank
Current water temperature；Whether processor, is connected with temperature sensor, for detecting current water temperature more than predetermined threshold value, and in water tank
In the case that current water temperature is not more than predetermined threshold value, the difference of current water temperature and the first water temperature is calculated, then according to difference control
Generation control signal；Electric heater unit, is connected between processor and water tank, for adding to water tank under control of the control signal
Heat, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, calculate current water temperature with it is current
The difference of the first water temperature of preset time period before time, and the electrical heating according to difference control to water tank, namely in the control
In method processed in the case where current water temperature is not more than predetermined threshold value, by first before comparing current water temperature and current time
Water temperature, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic, rather than prior art
In it is unalterable in the heating of a certain temperature range, in the control method that other temperature ranges are not heated, the method causes water
The water temperature of case can quickly reach the temperature of setting, solve electrical heating Teat pump boiler firing rate in the prior art slow
Problem, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved the effect of design temperature.
In the above embodiment of the present invention, as shown in Fig. 2 processor includes：First processing units, with electric heater unit
Connection, in the case of in difference less than or equal to the first default heating threshold value, generates open signal, and electric heater unit is being opened
Start the electrical heating to water tank under the control for opening signal；Second processing unit, is connected with electric heater unit, for being more than in difference
Or in the case of heating threshold value is preset equal to second, shutdown signal being generated, electric heater unit suspends under the control of shutdown signal
Electrical heating to water tank；3rd processing unit, is connected with electric heater unit, in difference heating threshold value default more than first and
In the case of the second default heating threshold value, generation maintains signal, electric heater unit to maintain to work as under the control for maintaining signal
The preceding electrical heating state to water tank, wherein, the first default heating threshold value<Second default heating threshold value+1, control signal includes opening
Open signal, shutdown signal and maintenance signal.
Specifically, after the compressor start of unit, the current water temperature T that calculating is detectedWhen-TA=TDifference, work as TDifferenceDuring≤X, generation
Open signal, electric heater unit starts the electrical heating to water tank；Work as TDifferenceDuring >=Y, shutdown signal is generated, electric heater unit pause is right
The electrical heating of water tank, actually in that case, electric heater unit is in the state being stopped；As X ＜ TDifferenceDuring ＜ Y, water
The electric heater unit of case maintains current electrical heating state, if that is, current electric heater unit is being heating water tanks, continuation
It is heating water tanks；If it is heating water tanks that current electric heater unit stopped, continue to stop to be 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, it is preferable that X values are 3；Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, the value model of Y
Enclose is 0.5~10, it is preferable that Y values are 5.
In above-described embodiment, for setting when the first default heating threshold value and the second default heating threshold value, X ＜ Y+1.
It is pre- with the first default heating threshold value and second with the temperature difference of the first water temperature by current water temperature by above-described embodiment
If heating the relation of threshold value, rationally control water tank electrical heating makes firing rate more reasonable, more hommization, due in this kind
Under control method, the temperature difference that electric heater unit passes through current water temperature and the first water temperature is by spells heating water tanks, rather than
The electrical heating always when water temperature is more than a certain temperature in the prior art, such that it is able to improve to the same of the firing rate of water tank
When, the energy consumed in whole heating process is saved, the problem of firing rate and efficiency is balanced well.
In the above embodiment of the present invention, temperature sensor can include：Water tank temperature-sensitive bag, water tank has relative
One end and the second end, water tank temperature-sensitive bag are arranged on first end and the second end, or water tank temperature-sensitive bag is arranged on first end and the second end
Between；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 for detectingWhenDuring≤Z, the processor in above-described embodiment is carried out in following embodiments of the method
Step S304 and step S306 is realized calculating and controlled.
Wherein, Z is predetermined threshold value, the unit of predetermined threshold value for DEG C, the value ∈ [50,60] of Z, it is preferable that 55 DEG C of Z values.
In Z ＜ TWhen＜ TIfWhen, water tank electrical heating is kept it turned on, and other loads are closed.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of Teat pump boiler, the heat-pump hot-water
Device includes：The electric-heating control system of the Teat pump boiler in above-mentioned any one embodiment.
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, calculate current water temperature with it is current
The difference of the first water temperature of preset time period before time, and the electrical heating according to difference control to water tank, namely in the control
In method processed in the case where current water temperature is not more than predetermined threshold value, by first before comparing current water temperature and current time
Water temperature, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic, rather than prior art
In it is unalterable in the heating of a certain temperature range, in the control method that other temperature ranges are not heated, the method causes water
The water temperature of case can quickly reach the temperature of setting, solve electrical heating Teat pump boiler firing rate in the prior art slow
Problem, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved the effect of design temperature.
Fig. 3 is the flow chart of the electric heating controlling method of Teat pump boiler according to embodiments of the present invention, as shown in Figure 3 should
Method comprises the following steps：
Step S302, detects whether the current water temperature of the water tank of Teat pump boiler is more than predetermined threshold value.
Step S304, in the case where the current water temperature of water tank is not more than predetermined threshold value, calculates current water temperature and the first water
The difference of temperature, wherein, the first water temperature is the water temperature of water tank preset time period before current time.
Step S306, the electrical heating according to difference control to water tank.
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, calculate current water temperature with it is current
The difference of the first water temperature of preset time period before time, and the electrical heating according to difference control to water tank, namely in the control
In method processed in the case where current water temperature is not more than predetermined threshold value, by first before comparing current water temperature and current time
Water temperature, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic, rather than prior art
In it is unalterable in the heating of a certain temperature range, in the control method that other temperature ranges are not heated, the method causes water
The water temperature of case can quickly reach the temperature of setting, solve electrical heating Teat pump boiler firing rate in the prior art slow
Problem, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved the effect of design temperature.
Wherein, the unit of preset time period is minute, specifically, value A ∈ [5,30] of preset time period, it is preferable that A takes
Value 15.That is, in the above-described embodiments, the first water temperature is 15 minutes water temperatures before of current time.
In the above embodiment of the present invention, the electrically heated step of water tank is included according to difference control：It is small in difference
In the case of presetting heating threshold value in or equal to first, the electrical heating to water tank is opened；Preset more than or equal to second in difference
In the case of heating threshold value, the electrical heating to water tank is closed；Preset more than the first default heating threshold value and less than second in difference
In the case of heating threshold value, the current electrical heating state of water tank is maintained, wherein, the first default heating threshold value<Second default heating
Threshold value+1.
Specifically, after the compressor start of unit, the current water temperature T that calculating is detectedWhen-TA=TDifference, work as TDifferenceDuring≤X, generation
Open signal, electric heater unit starts the electrical heating to water tank；Work as TDifferenceDuring >=Y, shutdown signal is generated, electric heater unit pause is right
The electrical heating of water tank, actually in that case, electric heater unit is in the state being stopped；As X ＜ TDifferenceIt is raw during ＜ Y
Into maintaining the electric heater unit of signal, water tank to maintain current electrical heating state, if that is, current electric heater unit is
Heating water tanks, continue as heating water tanks；If it is heating water tanks that current electric heater unit stopped, continue to stop adding for water tank
Heat.
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, it is preferable that X values are 3；Y is the second default heating threshold value, and the value of Y can be the value that user pre-sets, the value model of Y
Enclose is 0.5~10, it is preferable that Y values are 5.
In above-described embodiment, for setting when the first default heating threshold value and the second default heating threshold value, X ＜ Y+1.
It is pre- with the first default heating threshold value and second with the temperature difference of the first water temperature by current water temperature by above-described embodiment
If heating the relation of threshold value, rationally control water tank electrical heating makes firing rate more reasonable, more hommization, due in this kind
Under control method, the temperature difference that electric heater unit passes through current water temperature and the first water temperature is by spells heating water tanks, rather than
The electrical heating always when water temperature is more than a certain temperature in the prior art, such that it is able to improve to the same of the firing rate of water tank
When, the energy consumed in whole heating process is saved, the problem of firing rate and efficiency is balanced well.
In the above embodiment of the present invention, whether default threshold is more than in the current water temperature of the water tank of detection Teat pump boiler
After value, electric heating controlling method also includes：In the case where the current water temperature of water tank is more than predetermined threshold value, current water temperature is detected
Whether set water temperature is less than, wherein, in the case where current water temperature is less than set water temperature, persistently water tank is electrically heated；
Current water temperature stops to heating water tanks not less than in the case of set water temperature.
As the current water temperature T for detectingWhenDuring≤Z, the step S304 and step S306 in above-described embodiment are performed.
Wherein, Z is predetermined threshold value, the unit of predetermined threshold value for DEG C, the value ∈ [50,60] of Z, it is preferable that 55 DEG C of Z values.
In Z ＜ TWhen＜ TIfWhen, water tank electrical heating is kept it turned on, and other loads are closed.
It should be noted that can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
As can be seen from the above description, the present invention realizes following technique effect：
Using the present invention, in the case where the current water temperature of water tank is not more than predetermined threshold value, calculate current water temperature with it is current
The difference of the first water temperature of preset time period before time, and the electrical heating according to difference control to water tank, namely in the control
In method processed in the case where current water temperature is not more than predetermined threshold value, by first before comparing current water temperature and current time
Water temperature, controls the electrical heating of water tank, so that electrically heated control is more accurate, it is more realistic, rather than prior art
In it is unalterable in the heating of a certain temperature range, in the control method that other temperature ranges are not heated, the method causes water
The water temperature of case can quickly reach the temperature of setting, solve electrical heating Teat pump boiler firing rate in the prior art slow
Problem, realizes the water tank of electrical heating Teat pump boiler, the water temperature of water tank is rapidly achieved the effect of design temperature.
Obviously, those skilled in the art should be understood that above-mentioned of the invention each module or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed by computing device in the storage device, or they be fabricated to each integrated circuit modules respectively, or by they
In multiple modules or step single integrated circuit module is fabricated to realize.So, the present invention is not restricted to any specific
Hardware and software is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of electric heating controlling method of Teat pump boiler, it is characterised in that including：
Detect whether the current water temperature of the water tank of Teat pump boiler is more than predetermined threshold value；
In the case where the current water temperature of the water tank is not more than the predetermined threshold value, the current water temperature and the first water temperature are calculated
Difference, wherein, first water temperature is the water temperature of water tank preset time period before current time；
Electrical heating according to difference control to the water tank.
2. electric heating controlling method according to claim 1, it is characterised in that according to difference control to the water tank
Electrically heated step include：
In the case where the difference is less than or equal to the first default heating threshold value, the electrical heating to the water tank is opened；
In the case where the difference is more than or equal to the second default heating threshold value, the electrical heating to the water tank is closed；
In the case where the difference presets heating threshold value more than the described first default heating threshold value and less than described second, maintain
The current electrical heating state of the water tank,
Wherein, the described first default heating threshold value<Described second default heating threshold value+1.
3. electric heating controlling method according to claim 1, it is characterised in that work as in the water tank of detection Teat pump boiler
Whether more than after predetermined threshold value, the electric heating controlling method also includes preceding water temperature：
In the case where the current water temperature of the water tank is more than the predetermined threshold value, detect the current water temperature whether less than setting
Water temperature,
Wherein, in the case where the current water temperature is less than the set water temperature, persistently the water tank is electrically heated；
In the case where the current water temperature is not less than the set water temperature, stop to the heating water tanks.
4. a kind of electric heating control device of Teat pump boiler, it is characterised in that including：
First detection module, for detecting whether the current water temperature of water tank of Teat pump boiler is more than predetermined threshold value；
Computing module, in the case of being not more than the predetermined threshold value in the current water temperature of the water tank, calculates described current
The difference of water temperature and the first water temperature, wherein, first water temperature is the water of water tank preset time period before current time
Temperature；
Control module, for the electrical heating according to difference control to the water tank.
5. electric heating control device according to claim 4, it is characterised in that the control module includes：
Opening module, in the case of in the difference less than or equal to the first default heating threshold value, opens to the water tank
Electrical heating；
Closedown module, in the case of in the difference more than or equal to the second default heating threshold value, closes to the water tank
Electrical heating；
Maintenance module, for presetting heating threshold value more than the described first default heating threshold value and less than described second in the difference
In the case of, the current electrical heating state of the water tank is maintained,
Wherein, the described first default heating threshold value<Described second default heating threshold value+1.
6. electric heating control device according to claim 4, it is characterised in that the electric heating control device also includes：
Second detection module, in the case of being more than the predetermined threshold value in the current water temperature of the water tank, detection is described to work as
Whether preceding water temperature is less than set water temperature,
Continuous heating module, in the case of being less than the set water temperature in the current water temperature, persistently enters to the water tank
Row electrical heating；
Stopping modular, in the case of being not less than the set water temperature in the current water temperature, stops to the heating water tanks.
7. a kind of electric-heating control system of Teat pump boiler, it is characterised in that including：
Temperature sensor, is connected with the water tank of Teat pump boiler, the current water temperature for gathering the water tank；
Whether processor, is connected with the temperature sensor, for detecting the current water temperature more than predetermined threshold value, and described
In the case that the current water temperature of water tank is not more than the predetermined threshold value, the difference of the current water temperature and the first water temperature is calculated, so
Afterwards according to difference control generation control signal；
Electric heater unit, is connected between the processor and the water tank, under the control of said control signal to institute
State heating water tanks,
Wherein, first water temperature is the water temperature of water tank preset time period before current time.
8. electric-heating control system according to claim 7, it is characterised in that the processor includes：
First processing units, are connected with the electric heater unit, for presetting heating threshold less than or equal to first in the difference
In the case of value, open signal is generated, the electric heater unit starts to the water tank under the control of the open signal
Electrical heating；
Second processing unit, is connected with the electric heater unit, for presetting heating threshold more than or equal to second in the difference
In the case of value, shutdown signal is generated, the electric heater unit suspends to the water tank under the control of the shutdown signal
Electrical heating；
3rd processing unit, is connected with the electric heater unit, for presetting heating threshold value more than described first in the difference
And in the case of heating threshold value is preset less than described second, generation maintains signal, and the electric heater unit is in the maintenance signal
Control under maintain the current electrical heating state to the water tank,
Wherein, the described first default heating threshold value<Described second default heating threshold value+1, the control signal includes the unlatching
Signal, the shutdown signal and the maintenance signal.
9. electric-heating control system according to claim 7, it is characterised in that
The temperature sensor includes：Water tank temperature-sensitive bag,
The water tank has relative first end and the second end, and the water tank temperature-sensitive bag is arranged on the first end and described second
End, or the water tank temperature-sensitive bag is arranged between the first end and second end；
The electric heater unit is arranged on first end or second end of the water tank.
10. a kind of Teat pump boiler, it is characterised in that including：Teat pump boiler in claim 7 to 9 described in any one
Electric-heating control system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105352195B (en) * | 2015-11-24 | 2018-04-13 | 珠海格力电器股份有限公司 | Control water heater electrically heated method, apparatus, water heater and Teat pump boiler |
| CN105805953A (en) * | 2016-03-18 | 2016-07-27 | 广东美的暖通设备有限公司 | Compressor control method and device in water heating mode |
| CN105865032B (en) * | 2016-04-14 | 2019-04-30 | 珠海格力电器股份有限公司 | Water heater and its control device and control method |
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| CN106820971A (en) * | 2016-12-02 | 2017-06-13 | 珠海格力电器股份有限公司 | Water dispenser control method |
| CN111911894B (en) * | 2019-05-07 | 2021-09-07 | 青岛科技大学 | Steam boiler controlled according to pressure difference |
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| CN112113335A (en) * | 2019-06-20 | 2020-12-22 | 山东大学 | Heat exchanger with variable flow velocity |
| CN112113336A (en) * | 2019-06-20 | 2020-12-22 | 山东大学 | Heat exchanger with variable liquid level |
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