CN107228489A - The method for heating and controlling and Teat pump boiler of Teat pump boiler - Google Patents
The method for heating and controlling and Teat pump boiler of Teat pump boiler Download PDFInfo
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- CN107228489A CN107228489A CN201710616233.8A CN201710616233A CN107228489A CN 107228489 A CN107228489 A CN 107228489A CN 201710616233 A CN201710616233 A CN 201710616233A CN 107228489 A CN107228489 A CN 107228489A
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- electric heater
- compressor
- temperature
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Classifications
-
- 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
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- 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
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention discloses the method for heating and controlling and Teat pump boiler of a kind of Teat pump boiler.The method for heating and controlling of Teat pump boiler obtains the first current water temperature in water tank first；And then compare the difference of target temperature and the first current water temperature in water tank；When the difference of target temperature and the first current water temperature in water tank is more than or equal to the first fiducial temperature, opening electric heater；In opening electric heater device, by obtaining the running parameter of current electric heater, with judge electric heater whether normal work；When electric heater operation irregularity, electric heater is closed；To ensure that electric heater does not result in further potential safety hazard, the safety in utilization of Teat pump boiler is improved.
Description
Technical field
The present invention relates to Teat pump boiler field, the method for heating and controlling and Heat Pump of more particularly to a kind of Teat pump boiler
Hydrophone.
Background technology
At present, Teat pump boiler has become increasingly popular to be applied to every field, and user is for relaxing that hot water is used
Adaptive requirement is also improved constantly.Teat pump boiler generally uses compression mechanism hot water, but is due to by system pressure, environment
Etc. factor influence, the water temperature heated by way of compressor is heated can be restricted, so that can not accurately be heated to use
The desired temperature in family.In order to solve this problem, generally increase auxiliary thermal source, such as electric heater in Teat pump boiler；But
It is also to introduce the potential safety hazard brought by electric heater failure accordingly and reduce while adding electric heater
The job security of whole Teat pump boiler.
The content of the invention
The main object of the present invention is the method for heating and controlling and Teat pump boiler for proposing a kind of Teat pump boiler, it is intended to carried
Security of the high Teat pump boiler during heating water.
To achieve the above object, a kind of method for heating and controlling of Teat pump boiler proposed by the present invention, the heat-pump hot-water
Device includes compressor, electric heater and water tank, and electric heater is in the water tank, and the compressor and electric heater are used
Water in water tank is heated, and the method for heating and controlling of the Teat pump boiler comprises the following steps：
S1：Obtain the first current water temperature in water tank；
S2：Compare the difference of target temperature and the first current water temperature；When the difference of target temperature and the first current water temperature is big
When the first fiducial temperature, opening electric heater；
S3：The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, judges electrical heating
Device whether normal work；
S4：When electric heater operation irregularity, electric heater is closed.
Preferably, also include after step s 3：
When electric heater is working properly, the second current water temperature in water tank is obtained；
Compare the second current water temperature and target temperature；
When the second current water temperature is more than or equal to target temperature, electric heater is closed.
Preferably, the step of the opening electric heater before also include：
The first operating current of current electric heater is detected, and compares first working current value and the first predetermined current
Value；
When first working current value is less than or equal to the first pre-set current value, then opening electric heater；Or
The first power of current electric heater is detected, and compares first power and the first predetermined power value；
When first power is less than or equal to the first predetermined power value, then opening electric heater；Or
The first resistor of current electric heater is detected, and compares the resistance and the first preset resistive value of the first resistor；
When the resistance of the first resistor is more than or equal to and the first preset resistive value, then opening electric heater.
Preferably, comprise the following steps in step S3：
The second operating current of current electric heater is detected, and compares second operating current and the second predetermined current
Value；
When second operating current is less than or equal to the second pre-set current value, then electric heater operation irregularity；Or
The second power of current electric heater is detected, and compares second power and the second predetermined power value；
When second power is less than or equal to the second predetermined power value, then electric heater operation irregularity；Or
The second resistance of current electric heater is detected, and compares the resistance and the second preset resistive value of the second resistance；
When the resistance of the second resistance is less than or equal to the second preset resistive value, then electric heater operation irregularity.
Preferably, described when second operating current is less than or equal to the second pre-set current value, then electric heater works
Exception comprises the following steps：
When second operating current is 0, the information of control display output electric heater open circuit；
When second operating current is more than 0 and is less than or equal to second pre-set current value, control display is defeated
Go out to change the information of electric heater.
Preferably, it is further comprising the steps of after step S1：
S5：The difference of target temperature and the first current water temperature is compared, the first current water temperature in target temperature and water tank
Difference when being more than or equal to the second fiducial temperature, open the compressor；The value of second fiducial temperature is more than described the
The value of one fiducial temperature；
S6：The running parameter of current compressor is obtained, and according to the running parameter of current compressor, whether judges compressor
Normal work；
S7：When compressor operating exception, close compressor, and opening electric heater.
Preferably, also comprise the following steps after step S7：
The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, judges electric heater
Whether normal work；
When electric heater operation irregularity, electric heater is closed；
When electric heater is working properly, the 3rd current water temperature in water tank is obtained；
Compare the 3rd current water temperature and target temperature；
When the 3rd current water temperature is more than or equal to target temperature, electric heater is closed.
Preferably, also include after step S6：
When compressor operating is normal, the 4th current water temperature in water tank is obtained；
Compare the difference of target temperature and the 4th current water temperature；
When the difference of target temperature and the 4th current water temperature is less than or equal to three fiducial temperatures, compression is closed
Machine；3rd fiducial temperature is less than second fiducial temperature；And the 3rd fiducial temperature is more than the described first default temperature
Difference.
Preferably, it is described when the difference of target temperature and the 4th current water temperature is less than or equal to the 3rd fiducial temperature
When, the step of close compressor after also include：
Opening electric heater；
The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, judges electric heater
Whether normal work；
When electric heater operation irregularity, electric heater is closed；
Obtain the 5th current water temperature in water tank；
Compare target temperature and the 5th current water temperature；
When the difference of target temperature and the 5th current water temperature is more than or equal to the second fiducial temperature, compression is opened
Machine.
Preferably, it is described unlatching compressor the step of before also include：
The 3rd current working current value of compressor is detected, and compares the 3rd working current value and the 3rd predetermined current
Value；
When the 3rd working current value is less than or equal to three pre-set current values, compressor is opened；
The 3rd current power of compressor is detected, and compares whether the 3rd power is less than or equal to the 3rd predetermined power
Value；
When the 3rd power is less than or equal to the 3rd predetermined power value, compressor is opened.
Preferably, the running parameter according to current compressor, judges whether normal work includes following step to compressor
Suddenly：
Obtain the 4th current working current value of compressor；
The default operating current for comparing the 4th working current value and compressor is interval；
When the 4th working current value is less than or equal to the lower limit in the default operating current interval of compressor, Yi Jisuo
When stating the 4th working current value higher limit interval more than or equal to the default operating current of compressor, compressor is abnormal.
Preferably, the method for heating and controlling of Teat pump boiler also comprises the following steps：
When the 4th working current value is 0, control display output squeezing machine starts the information of failure or open circuit；
When the 4th working current value, which is more than or equal to compressor, presets the interval higher limit of operating current, control is aobvious
Show the information of device output prompting detection refrigerant pipe pressure, heat exchanger and lubricant in compressor.
The present invention also proposes a kind of Teat pump boiler, including：
Water tank, the water tank is used to house water；
Compressor, the compressor is used to heat the water in water tank；
Electric heater, in the water tank, for heating the water in water tank；
Cooling-water temperature sensor, for detecting the water temperature in water tank；
First current transformer, the operating current for detecting electric heater；
Circuit board, is electrically connected with the cooling-water temperature sensor, the first current transformer, and performs described Teat pump boiler
The step of method for heating and controlling；The circuit board is controlled according to the testing result of the cooling-water temperature sensor, the first current transformer
The break-make of the electric heater supply access.
Preferably, the Teat pump boiler also has display, and the display is electrically connected with the circuit board, and described
Display has the receiving terminal inputted for user, and the display electric heater and the display interface of compressor fault information.
Technical solution of the present invention is when electric heater works independently pattern, when the water in water tank needs heating, opens electricity
After heater, and by detecting the running parameter of electric heater in real time, to detect that electrical heating is in working properly or abnormal
State；When electric heater operation irregularity, electric heater is closed in time, to ensure that electric heater does not result in further safety
Hidden danger, improves the safety in utilization of Teat pump boiler.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is electrical connection schematic diagram of the Teat pump boiler of the present invention in the case where electric heater works independently pattern；
Fig. 2 is the flow of the embodiment of method for heating and controlling one of Teat pump boiler in the case where electric heater works independently pattern
Figure；
Fig. 3 is electrical connection signal of the Teat pump boiler of the present invention under compressor and electric heater work in combination pattern
Figure；
Fig. 4 is that the method for heating and controlling one of Teat pump boiler is implemented under compressor and electric heater work in combination pattern
The flow chart of example；
Fig. 5 is another reality of method for heating and controlling of Teat pump boiler under compressor and electric heater work in combination pattern
Apply the flow chart of example.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiments in accordance with the present invention there is provided a kind of method for heating and controlling of Teat pump boiler and Teat pump boiler, with
For the Teat pump boiler in the case where electric heater works independently pattern, and electric heater and the Working mould of compressor combination work
Under formula, the job security of Teat pump boiler can be ensured.
Fig. 1 and Fig. 3 are refer to, Fig. 1 is Teat pump boiler of the present invention electrically connecting in the case where electric heater works independently pattern
Connect schematic diagram；Fig. 3 is electrical connection signal of the Teat pump boiler of the present invention under compressor and electric heater work in combination pattern
Figure；The Teat pump boiler includes water tank 40, compressor 20, electric heater 30, the cooling-water temperature sensor 41, first for being used to house water
The parts such as current transformer 33, circuit board 10.It will be appreciated by persons skilled in the art that the Teat pump boiler is also including cold
Involved miscellaneous part in matchmaker's circulatory system, such as evaporator, condenser, throttle part.It is described in the present embodiment
Electric heater 30 and the compressor 20 are the part for heating water, wherein, the electric heater 30 can extend into water tank 40
In, the compressor 20 heating water mode can be placed directly within by heating pipe 23 in water tank 40, can also be by changing
Hot device is exchanged heat with the water in water tank 40；It is not specifically limited herein.The cooling-water temperature sensor 41 is placed in water tank 40, to examine
The temperature surveyed in water tank 40.The quantity of the cooling-water temperature sensor 41 can be multiple, to be evenly distributed on the different positions of water tank 40
Put, so as to improve the accuracy of the detection water temperature of water tank 40.
First current transformer 33 is used for the operating current for detecting electric heater 30, whether to detect electric heater 30
Normal work., can also be by detecting the power of electric heater 30 or the electricity of electric heater 30 in another alternative solution
Resistance, with detect electric heater 30 whether normal work.Due to having electric heater 30 and the work in combination of compressor 20 in this programme
Working method, therefore the Teat pump boiler also includes being used to detect the second current transformer of the operating current of compressor 20
22；Second current transformer 22 is by detecting the operating current of compressor 20, to react the working condition of compressor 20.Together
Sample, can also by detect compressor 20 power either delivery temperature so that judge compressor 20 whether normal work.
The circuit board 10 is electrically connected with the cooling-water temperature sensor 41, the first current transformer 33, and the execution present invention is carried
The step of method for heating and controlling of the Teat pump boiler gone out；The circuit board 10 is according to the cooling-water temperature sensor 41, the first electric current
The testing result of transformer 33 controls the break-make of the electric heater 30 and the supply access of the compressor 20.Specifically, it is described
Teat pump boiler also includes the first relay RL1, the second relay RL2 and the 3rd relay electrically connected with the circuit board 10
Device RL3.Wherein described first relay RL1, the second relay RL2 control the live wire and zero line of the electric heater 30 respectively
Break-make.When needing opening electric heater 30, output control the first relay RL1 of circuit board 10 and the second relay RL2
The control signal of conducting, to control the first relay RL1 and the second relay RL2 to turn on, so as to close the electric heater 30
Supply access.Herein it should be noted that the first relay RL1 and the second relay RL2 needs to simultaneously turn on, to carry
The security of the high current supply circuit of electric heater 30.The 3rd relay RL3 is used for the break-make for controlling the current supply circuit of compressor 20.
When needing compressor 20 to start, the circuit board 10 sends control signal to the 3rd relay RL3, so that the 3rd relay
Device RL3 is closed, and turns on the current supply circuit of the compressor 20.
Further, the Teat pump boiler also has display 50, and the display 50 is electrically connected with the circuit board 10
Connect, and the display 50 has the receiving terminal inputted for user, and show the electric heater 30 and the failure of compressor 20
The display interface of information.The display 50 can be touch-screen, can also by button into display 50 output information, example
As user inputs design temperature.
Referring to Fig. 2, the method for heating and controlling of Teat pump boiler proposed by the present invention, comprises the following steps：
S1：Obtain the first current water temperature in water tank 40；
S2：Compare the difference of target temperature and the first current water temperature；When the difference of target temperature and the first current water temperature is big
When the first fiducial temperature, opening electric heater 30；
S3：The running parameter of current electric heater 30 is obtained, and according to the running parameter of current electric heater 30, judges electricity
Heater 30 whether normal work；
S4：When the operation irregularity of electric heater 30, electric heater 30 is closed.
The target temperature can be the setting value of user, represent the desired water temperature of user；Described first default temperature
Difference can be the default value for the value or system for setting user.When the value of the first fiducial temperature is smaller, electrical heating is opened
It is dynamic can be more frequent；When the value of the first fiducial temperature is larger, the water temperature in water tank 40 is floated larger.
Here, the running parameter of the electric heater 30 be refer to reaction electric heater 30 whether the ginseng of normal work
Number.It is hidden to exclude the safety that electric heater 30 brought by closing electric heater 30 when 30 operation irregularity of electric heater
Suffer from, improve the safety in utilization of Teat pump boiler.
Further, also include after step s 3：
When electric heater 30 is working properly, the second current water temperature in water tank 40 is obtained；
Compare the second current water temperature and target temperature；
When the second current water temperature is more than or equal to target temperature, electric heater 30 is closed.
From above method step, the embodiment of the present application is worked independently pattern for electric heater 30, in water tank 40
When interior water needs heating, after opening electric heater 30, and the running parameter of electric heater 30 is detected in real time, to detect electrical heating
It is to be in working properly or abnormality, and when 30 operation irregularity of electric heater, electric heater 30 is closed in time, it is ensured that electricity
Heater 30 does not result in further potential safety hazard, improves the safety in utilization of Teat pump boiler.
In order to further improve the safety in utilization of electric heater 30, prevent electric heater 30 from there is electric leakage before unlatching
Or open by mistake and open phenomenon；Therefore in the present embodiment, the step of opening electric heater 30 before also include：
The first operating current of current electric heater 30 is detected, and compares first working current value and the first default electricity
Flow valuve；
When first working current value is less than or equal to the first pre-set current value, then opening electric heater 30.This institute
0 can be set to by stating the first pre-set current value, when current first operating current of electric heater 30 is 0, then it represents that electric heater
30 be to be in off-position this moment, can be opened.And when current first operating current of electric heater 30 is not 0, then
Represent that electric heater 30 may be opened by mistake and open or exist drain conditions, now control electric heater 30 to close.
First pre-set current value can also be a value for being more than 0, and this embodiment is to be point for electric heater 30
The part that Duan Jiare situation, i.e. electric heater 30 are used to be incubated has turned on, so that the water in water tank 40 is in keeping warm mode, this
When electric heater 30 the first operating current be more than for one 0 value, when water temperature drop is to needing the whole of electric heater 30 to start it
Before, by comparing the first operating current and the first pre-set current value of electric heater 30, so that it is determined that electric heater 30 is in whole
Working condition before startup.
In another embodiment, it can also judge whether electrical heating can open by detecting the power of electric heater 30
Open；Specifically,
The first power of current electric heater 30 is detected, and compares first power and the first predetermined power value；
When first power is less than or equal to the first predetermined power value, then opening electric heater 30.
When electric heater 30 is resistance-type heater, its resistance can change according to the change of temperature, that is, work as electrical heating
After work, when its temperature gradually rises, the resistance of electric heater 30 can lower；Therefore, by detecting the resistance of electric heater 30,
Also the working condition of electric heater 30 can be reacted.Specifically,
The first resistor of current electric heater 30 is detected, and compares the resistance and the first preset resistive value of the first resistor；
When the resistance of the first resistor is more than or equal to and the first preset resistive value, then opening electric heater 30.
Electric heater 30 unlatching after, in order to detect electric heater 30 whether normal work, therefore in step s3 also
Comprise the following steps：
The second operating current of current electric heater 30 is detected, and compares second operating current and the second predetermined current
Value；
When second operating current is less than or equal to the second pre-set current value, then the described in the operation irregularity of electric heater 30
Two pre-set current values could be arranged to 0, when current second operating current of electric heater 30 is equal to 0, then it represents that electric heater
30 open circuits.Second pre-set current value could be arranged to a value for being more than 0.
Specifically, it is described when second operating current is less than or equal to the second pre-set current value, the then work of electric heater 30
Make abnormal comprise the following steps：
When second operating current is 0, the information that the control output electric heater 30 of display 50 is opened a way；
When second operating current be more than 0, and less than or equal to second pre-set current value when, control display
The information of electric heater 30 is changed in 50 outputs.
Herein it should be noted that not opening a way and causing completely in view of the error of measuring instrumentss, and electric heater 30
Have one in electric heater 30 close to 0 weak current, now, the second operating current can be slightly more than 0, and such case is this
Art personnel are known, should be also within the protection domain of this patent.
Because electric heater 30 is usually resistance-type heater, after electric heater 30 places long time in water,
Incrustation scale in water can be attached to the surface of electric heater 30, cause the resistance of electric heater 30 to increase, and operating current reduces；When electricity adds
Hot device 30 is more serious by incrustation scale degree of adhesion, so that the second operating current of electric heater 30 is less than or equal to the second default electricity
During flow valuve, the operating efficiency of electric heater 30 is extremely low, therefore user should be pointed out to change electric heater 30.
In another embodiment, it can also judge whether electric heater 30 is normal by detecting the power of electric heater 30
Work.Specifically,
The second power of current electric heater 30 is detected, and compares second power and the second predetermined power value；
When second power is less than or equal to the second predetermined power value, the then operation irregularity of electric heater 30.
In addition it is possible to judged by detecting the resistance of electric heater 30 electric heater 30 whether normal work.Specifically
Ground,
The second resistance of current electric heater 30 is detected, and compares the resistance and the second preset resistive value of the second resistance；
When the resistance of the second resistance is less than or equal to the second preset resistive value, then the operation irregularity of electric heater 30.
Above-described embodiment, is the working method individually heated on electric heater 30, in the examples below, will be for pressure
The mode that contracting machine 20 and electric heater 30 are combined, the failure often occurred at work according to compressor 20 and electric heater 30,
Propose the control method of Teat pump boiler heating.The heating of compressor 20 has the advantages that speed is fast, save, therefore when in water tank 40
Temperature and default first temperature value gap it is larger when, the water in water tank 40 can be heated first with compressor 20,
Technical solution of the present invention takes into full account the failure situation that compressor 20 often occurs when being heated using compressor 20, to ensure pressure
Contracting machine 20 is heated in the case of working properly, it is ensured that the job security of Teat pump boiler.Fig. 3 and Fig. 4 are referred to, is had
Body：
It is further comprising the steps of after step S1：
S5：The difference of target temperature and the first current water temperature is compared, the first current water in target temperature and water tank 40
When the difference of temperature is more than or equal to the second fiducial temperature, the compressor 20 is opened；The value of second fiducial temperature is more than institute
State the value of the first fiducial temperature；
S6：The running parameter of current compressor 20 is obtained, and according to the running parameter of current compressor 20, judges compressor
20 whether normal work；
S7：When the operation irregularity of compressor 20, close compressor 20, and opening electric heater 30.
Need herein explanation when, step S5 priority is higher than step S3, i.e., the first current water temperature when water tank 40
When meeting step S5 and step S3 simultaneously, step S5 can be preferentially carried out.
The running parameter of the compressor 20 be refer to reaction pressure contracting machine 20 whether the parameter of normal work, such as it is electric
Stream, power etc..When the operation irregularity of compressor 20, in order to ensure the security of heat pump, timely close compressor 20 is understood, and
Opening electric heater 30, to be heated to the water in water tank 40.
This gives when compressor 20 works abnormal, the technical side heated by electrical heating as standby
Case.In the technical scheme, after the step of opening electric heater 30, whether just this programme is also provided with detection electric heater 30
Often the step of work, to ensure the job security of electric heater 30, specifically, also comprises the following steps after step S7：
The running parameter of current electric heater 30 is obtained, and according to the running parameter of current electric heater 30, judges that electricity adds
Hot device 30 whether normal work；
When the operation irregularity of electric heater 30, electric heater 30 is closed；
When electric heater 30 is working properly, the 3rd current water temperature in water tank 40 is obtained；
Compare the 3rd current water temperature and target temperature；
When the 3rd current water temperature is more than or equal to target temperature, electric heater 30 is closed.
Referring to Fig. 5, in another embodiment, when compressor 20 is working properly with the cooperation of electric heater 30, specifically
Also include after ground step S6：
When compressor 20 is working properly, the 4th current water temperature in water tank 40 is obtained；
Compare the difference of target temperature and the 4th current water temperature；
When the difference of target temperature and the 4th current water temperature is less than or equal to three fiducial temperatures, close compressor
20；3rd fiducial temperature is less than second fiducial temperature；And the 3rd fiducial temperature is more than the described first default temperature
Difference；
Opening electric heater 30；
The running parameter of current electric heater 30 is obtained, and according to the running parameter of current electric heater 30, judges that electricity adds
Hot device 30 whether normal work；
When the operation irregularity of electric heater 30, electric heater 30 is closed；
And obtain the 5th current water temperature in water tank 40；
Compare target temperature and the 5th current water temperature in water tank 40；
When the difference of target temperature and the 5th current water temperature is more than or equal to the second fiducial temperature, compressor is opened
20。
In the present embodiment, when detecting compression normal work, then the water in the heating water tank 40 of compressor 20 is controlled, until
The difference of target temperature and the 4th current water temperature of water tank 40 is less than or equal to the 3rd fiducial temperature, turns off compressor 20, opens
Dynamic electric heater 30；This represents that the water in water tank 40 is first heated to close to after target temperature by compressor 20, recycles electrical heating
Device 30 is heated to target temperature.Simultaneously when electric heater 30 works, whether detection electric heater 30 is working properly, to ensure heat
The job security of pump water heater.When 30 operation irregularity of electric heater, electric heater 30 is closed in time.Pushing away over time
Move, when the difference of the 5th current water temperature in target temperature and water tank 40 is more than or equal to the second fiducial temperature, directly initiate
Compressor 20.
In order to improve the job security of compressor 20, before compressor 20 is opened, it is thus necessary to determine that whether compressor 20
Open by mistake situation about opening, it is described unlatching compressor 20 the step of before also include：
Current 3rd working current value of compressor 20 is detected, and compares the 3rd working current value and the 3rd default electricity
Flow valuve；
When the 3rd working current value is less than or equal to three pre-set current values, compressor 20 is opened；
3rd pre-set current value can be zero, when the 3rd working current value is zero, represent that compressor 20 is in disconnected
Electricity condition, and possess unlocking condition.In view of that can be provided with some compressors 20 for heating the heating tape of lubricating oil, and work as
When heating tape is opened prior to compressor 20, now the operating current of compressor 20 is more than zero value, therefore the 3rd default electricity for one
Flow valuve can also be the value more than zero；And the 3rd pre-set current value compressor 20 when should be opened with heating tape working current value phase
When.
In another embodiment, can also be by detecting the power of compressor 20, to judge whether compressor 20 possesses out
Condition is opened, specifically：
Current 3rd power of compressor 20 is detected, and whether is less than or equal to the 3rd predetermined power than the 3rd power
Value；
When the 3rd power is less than or equal to the 3rd predetermined power value, compressor 20 is opened.
The 3rd predetermined power value can be zero or be a value for being more than zero.Its relevant explanation and above-mentioned detection compressor
20 electric currents with judge compressor 20 whether possess unlocking condition embodiment it is similar, will not be repeated here.
It can in addition contain the delivery temperature by detecting compressor 20, to detect whether compressor 20 possesses unlocking condition.
The failure mode of compressor 20 is more, in the present embodiment, mainly by detecting the 4th current work of compressor 20
Make the default operating current interval of current value and compressor 20 as comparing, thus judge compressor 20 whether normal work.Cause
This, the running parameter according to current compressor 20 judges whether normal work comprises the following steps compressor 20：
Obtain the 4th current working current value of compressor 20；
The default operating current for comparing the 4th working current value and compressor 20 is interval；
When the lower limit that the 4th working current value is interval less than or equal to the default operating current of compressor 20, and
When 4th working current value is more than or equal to the higher limit in default operating current interval of compressor 20, compressor 20 is different
Often.
The interval lower limit of the default operating current can be 0, or one is more than 0 value.Set herein described
The interval lower limit of default operating current is 0, and the method for heating and controlling of the Teat pump boiler is further comprising the steps of：
When the 4th working current value is 0, control display 50 output squeezing machine 20 starts the letter of failure or open circuit
Breath；
When the 4th working current value, which is more than or equal to compressor 20, presets the interval higher limit of operating current, control
The information of lubricating oil in the output prompting detection refrigerant of display 50 pipe pressure, heat exchanger and compressor 20.
The present embodiment with reference to the performance that some failures that compressor 20 often occurs cause current anomaly, so that user is most
The fast failure cause for finding compressor 20.At this it is to be understood that the heat exchanger in the embodiment refers to refrigerant pipe and water
Heat exchanger used when being exchanged heat.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical fields in the scope of patent protection of the present invention.
Claims (14)
1. a kind of method for heating and controlling of Teat pump boiler, it is characterised in that the Teat pump boiler includes compressor, electrical heating
Device and water tank, electric heater is in the water tank, and the compressor and electric heater are used to carry out the water in water tank
Heating, the method for heating and controlling of the Teat pump boiler comprises the following steps：
S1：Obtain the first current water temperature in water tank；
S2：Compare the difference of target temperature and the first current water temperature, be more than when the difference of target temperature and the first current water temperature or
During equal to the first fiducial temperature, opening electric heater；
S3：The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, judges that electric heater is
No normal work；
S4：When electric heater operation irregularity, electric heater is closed.
2. the method for heating and controlling of Teat pump boiler as claimed in claim 1, it is characterised in that also wrap after step s 3
Include：
When electric heater is working properly, the second current water temperature in water tank is obtained；
Compare the second current water temperature and target temperature；
When the second current water temperature is more than or equal to target temperature, electric heater is closed.
3. the method for heating and controlling of Teat pump boiler as claimed in claim 1, it is characterised in that in the opening electric heater
The step of before also include：
The first operating current of current electric heater is detected, and compares first working current value and the first pre-set current value；
When first working current value is less than or equal to the first pre-set current value, then opening electric heater；Or
The first power of current electric heater is detected, and compares first power and the first predetermined power value；
When first power is less than or equal to the first predetermined power value, then opening electric heater；Or
The first resistor of current electric heater is detected, and compares the resistance and the first preset resistive value of the first resistor；
When the resistance of the first resistor is more than or equal to and the first preset resistive value, then opening electric heater.
4. the method for heating and controlling of Teat pump boiler as claimed in claim 1, it is characterised in that step S3 includes following step
Suddenly：
The second operating current of current electric heater is detected, and compares second operating current and the second pre-set current value；
When second operating current is less than or equal to the second pre-set current value, then electric heater operation irregularity；Or
The second power of current electric heater is detected, and compares second power and the second predetermined power value；
When second power is less than or equal to the second predetermined power value, then electric heater operation irregularity；Or
The second resistance of current electric heater is detected, and compares the resistance and the second preset resistive value of the second resistance；
When the resistance of the second resistance is less than or equal to the second preset resistive value, then electric heater operation irregularity.
5. the method for heating and controlling of Teat pump boiler as claimed in claim 4, it is characterised in that described when the described second work
Electric current is less than or equal to the second pre-set current value, then electric heater operation irregularity comprises the following steps：
When second operating current is 0, the information of control display output electric heater open circuit；
When second operating current is more than 0 and is less than or equal to second pre-set current value, the output of control display is more
Change the information of electric heater.
6. the method for heating and controlling of the Teat pump boiler as described in claim 1 to 5 any one, it is characterised in that in step
It is further comprising the steps of after S1：
S5：The difference of target temperature and the first current water temperature is compared, when the difference of the first current water temperature in target temperature and water tank
When value is more than or equal to the second fiducial temperature, the compressor is opened；It is pre- that the value of second fiducial temperature is more than described first
If the value of the temperature difference；
S6：The running parameter of current compressor is obtained, and according to the running parameter of current compressor, judges whether compressor is normal
Work；
S7：When compressor operating exception, close compressor, and opening electric heater.
7. the method for heating and controlling of Teat pump boiler as claimed in claim 6, it is characterised in that also include such as after step S7
Lower step：
The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, whether judges electric heater
Normal work；
When electric heater operation irregularity, electric heater is closed；
When electric heater is working properly, the 3rd current water temperature in water tank is obtained；
Compare the 3rd current water temperature and target temperature；
When the 3rd current water temperature is more than or equal to target temperature, electric heater is closed.
8. the method for heating and controlling of Teat pump boiler as claimed in claim 6, it is characterised in that also include after step S6：
When compressor operating is normal, the 4th current water temperature in water tank is obtained；
Compare the difference of target temperature and the 4th current water temperature；
When the difference of target temperature and the 4th current water temperature is less than or equal to three fiducial temperatures, close compressor；Institute
The 3rd fiducial temperature is stated less than second fiducial temperature；And the 3rd fiducial temperature is more than first fiducial temperature.
9. the method for heating and controlling of Teat pump boiler as claimed in claim 8, it is characterised in that described to work as target temperature and institute
When the difference for stating the 4th current water temperature is less than or equal to three fiducial temperatures, the step of close compressor after also include：
Opening electric heater；
The running parameter of current electric heater is obtained, and according to the running parameter of current electric heater, whether judges electric heater
Normal work；
When electric heater operation irregularity, electric heater is closed；
Obtain the 5th current water temperature in water tank；
Compare target temperature and the 5th current water temperature；
When the difference of target temperature and the 5th current water temperature is more than or equal to the second fiducial temperature, compressor is opened.
10. the method for heating and controlling of Teat pump boiler as claimed in claim 6, it is characterised in that in the unlatching compressor
The step of before also include：
The 3rd current working current value of compressor is detected, and compares the 3rd working current value and the 3rd pre-set current value；
When the 3rd working current value is less than or equal to three pre-set current values, compressor is opened；
The 3rd current power of compressor is detected, and compares whether the 3rd power is less than or equal to the 3rd predetermined power value；
When the 3rd power is less than or equal to the 3rd predetermined power value, compressor is opened.
11. the method for heating and controlling of Teat pump boiler as claimed in claim 6, it is characterised in that described according to current compression
The running parameter of machine, judges whether normal work comprises the following steps compressor：
Obtain the 4th current working current value of compressor；
The default operating current for comparing the 4th working current value and compressor is interval；
The interval lower limit of the default operating current that is less than or equal to compressor when the 4th working current value, and described the
When four working current values are more than or equal to the higher limit in default operating current interval of compressor, compressor is abnormal.
12. the method for heating and controlling of Teat pump boiler as claimed in claim 11, it is characterised in that the heating of Teat pump boiler
Control method also comprises the following steps：
When the 4th working current value is 0, control display output squeezing machine starts the information of failure or open circuit；
When the 4th working current value, which is more than or equal to compressor, presets the interval higher limit of operating current, display is controlled
The information of output prompting detection refrigerant pipe pressure, heat exchanger and lubricant in compressor.
13. a kind of Teat pump boiler, it is characterised in that including：
Water tank, the water tank is used to house water；
Compressor, the compressor is used to heat the water in water tank；
Electric heater, in the water tank, for heating the water in water tank；
Cooling-water temperature sensor, for detecting the water temperature in water tank；
First current transformer, the operating current for detecting electric heater；
Circuit board, is electrically connected with the cooling-water temperature sensor, the first current transformer, and is performed as claim 1 to 12 is any one
The step of method for heating and controlling of Teat pump boiler described in；The circuit board is according to the cooling-water temperature sensor, the first electric current
The testing result of transformer controls the break-make of the electric heater supply access.
14. Teat pump boiler as claimed in claim 13, it is characterised in that the Teat pump boiler also has display, institute
Display is stated to electrically connect with the circuit board, and the display has the receiving terminal inputted for user, and show the electricity
The display interface of heater and compressor fault information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616233.8A CN107228489A (en) | 2017-07-24 | 2017-07-24 | The method for heating and controlling and Teat pump boiler of Teat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616233.8A CN107228489A (en) | 2017-07-24 | 2017-07-24 | The method for heating and controlling and Teat pump boiler of Teat pump boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228489A true CN107228489A (en) | 2017-10-03 |
Family
ID=59956143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710616233.8A Pending CN107228489A (en) | 2017-07-24 | 2017-07-24 | The method for heating and controlling and Teat pump boiler of Teat pump boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN107228489A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001534A1 (en) * | 2020-06-30 | 2022-01-06 | 广东美的制冷设备有限公司 | Heating control method and apparatus, air conditioner, and storage medium |
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| CN105890247A (en) * | 2016-04-08 | 2016-08-24 | 广东美的制冷设备有限公司 | Air conditioner, and control method and device for compressor of air conditioner |
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| JP2001255013A (en) * | 2000-03-14 | 2001-09-21 | Sanyo Electric Co Ltd | Heat pump water heater |
| EP2417397A2 (en) * | 2009-02-13 | 2012-02-15 | General Electric Company | Heat pump water heater control |
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