CN109442566A - A kind of energy-efficient electric heater and its control method - Google Patents
A kind of energy-efficient electric heater and its control method Download PDFInfo
- Publication number
- CN109442566A CN109442566A CN201811310864.8A CN201811310864A CN109442566A CN 109442566 A CN109442566 A CN 109442566A CN 201811310864 A CN201811310864 A CN 201811310864A CN 109442566 A CN109442566 A CN 109442566A
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- Prior art keywords
- environment temperature
- rate
- power value
- electric heater
- temperature
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
Abstract
The invention discloses a kind of energy-efficient electric heater and its control methods, method includes: detection environment temperature fall off rate, when the environment temperature fall off rate >=falling-threshold value, the performance number of electric heater is adjusted to target power value, electric heater includes detection module, processing module and control module；By detecting environment temperature fall off rate, so that whether the judgement environment by environment temperature fall off rate intelligence there is fortuitous event, by the way that the performance number of electric heater is adjusted to target power value, to reduce power consumption.Whether there is fortuitous event by detection module, processing module and control module intelligent decision environment, so that the performance number of electric heater is adjusted to target power value, to reduce power consumption.The application is mainly used in electric heater technical field.
Description
Technical field
The present invention relates to heating system technical field, in particular to a kind of energy-efficient electric heater and its control method.
Background technique
In cold district, space heater is necessary household electrical appliance.In winter, in order to enable house keeps relaxing
Suitable temperature, space heater can not shut down work in 24 hours.
The heating system of existing space heater foolproof can only generally work according to gear set by user, when outer
There is unexpected change in portion's environment, such as window is broken suddenly, also will continue to heat, to waste unnecessary electric energy.
Summary of the invention
In view of the drawbacks of the prior art, the present invention provides a kind of energy-efficient electric heater and its control method.
The solution that the present invention solves its technical problem is: on the one hand, a kind of energy-efficient electric heater control method, packet
It includes: detection environment temperature fall off rate, when the environment temperature fall off rate >=falling-threshold value, by the performance number tune of electric heater
Whole to arrive target power value, the target power value≤base power value 30%, the falling-threshold value is 10 DEG C/h, unit h table
Be shown as hour, the environment temperature fall off rate is calculated according to the following formula: V=(K0-Kt)/△ t, V is the environment
Temperature fall off rate, △ t are runing time section, and K0 is the initial temperature of this period of △ t, and Kt is this period of △ t
Terminate temperature, the size of the △ t≤0.5h, the base power value meet: 1500W≤base power value≤2500W.
Further, as 15 DEG C/h > environment temperature fall off rate >=10 DEG C/h, the target power value=base power
The 30% of value；As 20 DEG C/h > environment temperature fall off rate >=15 DEG C/h, the target power value=base power value
10%；As environment temperature fall off rate >=20 DEG C/h, the target power value=base power value 5%.
Further, this method further include: adjust in the performance number of electric heater to target power value, detect in environment temperature
Raising speed rate, when the environment temperature climbing speed >=ascending threshold, electric heater restores normal heating, and the environment temperature rises
Rate is calculated according to the following formula: W=(Tt-T0)/t, W are the environment temperature climbing speed, and t is runing time section,
T0 is the initial temperature of this period of t, and Tt is the end temperature of this period of t, and the ascending threshold is 6 DEG C/h, the t
≤0.5h。
On the other hand, a kind of energy-efficient electric heater, comprising: detection module, processing module and control module；
The detection module is for real-time detection environment temperature and generates temperature signal and time signal, and by the temperature
Signal and time signal pass to processing module；
The processing module is used for according to the temperature signal and time signal build environment temperature fall off rate, the ring
Border temperature fall off rate is calculated according to the following formula: V=(K0-Kt)/△ t, V is the environment temperature fall off rate, △ t
For runing time section, K0 is the initial temperature of this period of △ t, and Kt is the end temperature of this period of △ t, the △ t
≤0.5h；
Control module is for comparing environment temperature fall off rate with falling-threshold value, when reduction of speed under the environment temperature
When rate >=falling-threshold value, the performance number of electric heater is adjusted to target power value, wherein the target power value≤base power
The size of the 30% of value, the base power value meets: 1500W≤base power value≤2500W, and the falling-threshold value is 10
℃/h。
Further, as 15 DEG C/h > environment temperature fall off rate >=10 DEG C/h, the target power value=base power
The 30% of value；As 20 DEG C/h > environment temperature fall off rate >=15 DEG C/h, the target power value=base power value
10%；As environment temperature fall off rate >=20 DEG C/h, the target power value=base power value 5%.
Further, the processing module is also used to according to raising speed on the temperature signal and time signal build environment temperature
Rate, the environment temperature climbing speed are calculated according to the following formula: W=(Tt-T0)/t, W are environment temperature rising
Rate, t are runing time section, and T0 is the initial temperature of this period of t, and Tt is the end temperature of this period of t, the t
≤0.5h；
The control module is also used to compare environment temperature climbing speed with ascending threshold, when the environment temperature
When climbing speed >=ascending threshold, control electric heater restores normal heating, and the ascending threshold is 6 DEG C/h.
The beneficial effects of the present invention are: the present processes pass through detection environment temperature fall off rate, to pass through environment
Whether the judgement environment of temperature fall off rate intelligence there is fortuitous event, by the way that the performance number of electric heater is adjusted to target power
Value, to reduce power consumption.On the other hand, by detection module, processing module and control module intelligent decision environment whether
There is fortuitous event, so that the performance number of electric heater is adjusted to target power value, to reduce power consumption.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the step flow chart of embodiment 1；
Fig. 2 is the structural block diagram of electric heater.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment 1, with reference to Fig. 1, on the one hand, the application provides a kind of energy-efficient electric heater control method, comprising:
Step S001, initial temperature and end temperature between detecting environment temperature at runtime in section.
Step S002, environment temperature fall off rate is calculated.
Step S003, the environment temperature fall off rate is compared with falling-threshold value.
Step S004, when the environment temperature fall off rate >=falling-threshold value, the performance number of electric heater is adjusted to mesh
Mark performance number.
Specifically, the environment temperature fall off rate is calculated according to the following formula: V=(K0- in step S002
Kt)/△ t, V are the environment temperature fall off rate, and △ t is runing time section (is originally embodiment be 0.5h), the △ t≤
0.5h, K0 are the initial temperature of this period of △ t, and Kt is the end temperature of this period of △ t.
In step S003 and S004, the falling-threshold value is 10 DEG C/h.
In step S004, the target power value≤base power value 30%, the big Grain Full of the base power value
Foot: 1500W≤base power value≤2500W.H in text is expressed as hour.
This method is by detection environment temperature fall off rate, to pass through the judgement environment of environment temperature fall off rate intelligence
Whether fortuitous event is occurred, such as window is opened (or being broken), by the way that the performance number of electric heater is adjusted to target
Performance number, to reduce power consumption.
As optimization, as 15 DEG C/h > environment temperature fall off rate >=10 DEG C/h, the target power value=basis function
The 30% of rate value；As 20 DEG C/h > environment temperature fall off rate >=15 DEG C/h, the target power value=base power value
10%；As environment temperature fall off rate >=20 DEG C/h, the target power value=base power value 5%.
According to the difference of environment temperature fall off rate, intelligent adjustment target power value, according to variation of ambient temperature situation
The variation for making adaptability facilitates when eliminating fortuitous event, restores the heat supply of electric heater in time.Meanwhile in determination
After fortuitous event is extremely serious, electric heater is protected.
As optimization, this method further include: adjust in the performance number of electric heater to target power value, detect environment temperature
Climbing speed, when the environment temperature climbing speed >=ascending threshold, electric heater restores normal heating, in the environment temperature
Raising speed rate is calculated according to the following formula: W=(Tt-T0)/t, W are the environment temperature climbing speed, and t is runing time
Section, T0 are the initial temperature of this period of t, and Tt is the end temperature of this period of t, and the ascending threshold is 6 DEG C/h, institute
State t≤0.5h.
In this way, it can detecte after fortuitous event is eliminated, restore electric heater normal heating in time.Wherein, due to
After fortuitous event is eliminated, the article of environment includes that the heat of wall etc. itself can come out, so that room temperature meeting
Rise.
With reference to Fig. 2, on the other hand, the application also provides a kind of energy-efficient electric heater, comprising: detection module 100, processing mould
Block 200 and control module 300；The output end of the detection module 100 is connect with the input terminal of processing module 200, the processing
The output end of module 200 is connect with the input terminal of control module 300.
The detection module 100 is for real-time detection environment temperature and generates temperature signal and time signal, and will be described
Temperature signal and time signal pass to processing module 200；
The processing module 200 is used for according to the temperature signal and time signal build environment temperature fall off rate, institute
State environment temperature fall off rate to be calculated according to the following formula: V=(K0-Kt)/△ t, V is reduction of speed under the environment temperature
Rate, △ t are runing time section, and K0 is the initial temperature of this period of △ t, and Kt is the end temperature of this period of △ t, institute
State △ t≤0.5h；
Control module 300 is for comparing environment temperature fall off rate with falling-threshold value, when under the environment temperature
When reduction of speed rate >=falling-threshold value, the performance number of electric heater is adjusted to target power value, wherein the target power value≤basis
The size of the 30% of performance number, the base power value meets: 1500W≤base power value≤2500W, the falling-threshold value are
10℃/h。
As optimization, as 15 DEG C/h > environment temperature fall off rate >=10 DEG C/h, the target power value=basis function
The 30% of rate value；As 20 DEG C/h > environment temperature fall off rate >=15 DEG C/h, the target power value=base power value
10%；As environment temperature fall off rate >=20 DEG C/h, target power value=0.
As optimization, the processing module 200 is also used to according to the temperature signal and time signal build environment temperature
Climbing speed, the environment temperature climbing speed are calculated according to the following formula: W=(Tt-T0)/t, W are the environment temperature
Climbing speed is spent, t is runing time section, and T0 is the initial temperature of this period of t, and Tt is the end temperature of this period of t,
T≤the 0.5h；
The control module 300 is also used to compare environment temperature climbing speed with ascending threshold, when the environment
When temperature rate-of-rise >=ascending threshold, control electric heater restores normal heating, and the ascending threshold is 6 DEG C/h.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of energy-efficient electric heater control method characterized by comprising detection environment temperature fall off rate, when the ring
When border temperature fall off rate >=falling-threshold value, the performance number of electric heater is adjusted to target power value, the target power value≤
The 30% of base power value, the falling-threshold value are 10 DEG C/h, and unit h is expressed as hour, the environment temperature fall off rate root
Be calculated according to following formula: V=(K0-Kt)/△ t, V is the environment temperature fall off rate, and △ t is runing time section, K0
For the initial temperature of △ this period of t, Kt is the end temperature of this period of △ t, the △ t≤0.5h, the basis
The size of performance number meets: 1500W≤base power value≤2500W.
2. a kind of energy-efficient electric heater control method according to claim 1, which is characterized in that when 15 DEG C/h > environment temperature
When spending fall off rate >=10 DEG C/h, the target power value=base power value 30%；When 20 DEG C/h > environment temperature declines
When rate >=15 DEG C/h, the target power value=base power value 10%；As environment temperature fall off rate >=20 DEG C/h,
The target power value=base power value 5%.
3. a kind of energy-efficient electric heater control method according to claim 2, which is characterized in that further include: in electric heater
Performance number adjust to target power value, detect environment temperature climbing speed, when the environment temperature climbing speed >=rising
When threshold value, electric heater restores normal heating, and the environment temperature climbing speed is calculated according to the following formula: W=(Tt-
T0)/t, W be the environment temperature climbing speed, t be runing time section, T0 be this period of t initial temperature, Tt be t this
The end temperature of a period, the ascending threshold are 6 DEG C/h, the t≤0.5h.
4. a kind of energy-efficient electric heater characterized by comprising detection module, processing module and control module；
The detection module is for real-time detection environment temperature and generates temperature signal and time signal, and by the temperature signal
Processing module is passed to time signal；
The processing module is used for according to the temperature signal and time signal build environment temperature fall off rate, the environment temperature
Degree fall off rate is calculated according to the following formula: V=(K0-Kt)/△ t, V is the environment temperature fall off rate, and △ t is fortune
The row period, K0 be this period of △ t initial temperature, Kt be this period of △ t end temperature, the △ t≤
0.5h；
Control module for environment temperature fall off rate to be compared with falling-threshold value, when the environment temperature fall off rate >=
When falling-threshold value, the performance number of electric heater is adjusted to target power value, wherein the target power value≤base power value
30%, the size of the base power value meets: 1500W≤base power value≤2500W, the falling-threshold value are 10 DEG C/h.
5. a kind of energy-efficient electric heater according to claim 4, which is characterized in that when reduction of speed under 15 DEG C/h > environment temperature
When rate >=10 DEG C/h, the target power value=base power value 30%；When 20 DEG C/h > environment temperature fall off rate >=15
DEG C/h when, the target power value=base power value 10%；As environment temperature fall off rate >=20 DEG C/h, the target
Performance number=base power value 5%.
6. a kind of energy-efficient electric heater according to claim 5, it is characterised in that:
The processing module is also used to according to the temperature signal and time signal build environment temperature rate-of-rise, the environment
Temperature rate-of-rise is calculated according to the following formula: W=(Tt-T0)/t, W are the environment temperature climbing speed, and t is operation
Period, T0 are the initial temperature of this period of t, and Tt is the end temperature of this period of t, the t≤0.5h；
The control module is also used to compare environment temperature climbing speed with ascending threshold, when the environment temperature rises
When rate >=ascending threshold, control electric heater restores normal heating, and the ascending threshold is 6 DEG C/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811310864.8A CN109442566A (en) | 2018-11-06 | 2018-11-06 | A kind of energy-efficient electric heater and its control method |
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|---|---|---|---|
| CN201811310864.8A CN109442566A (en) | 2018-11-06 | 2018-11-06 | A kind of energy-efficient electric heater and its control method |
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| CN109442566A true CN109442566A (en) | 2019-03-08 |
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| CN110687942A (en) * | 2019-10-24 | 2020-01-14 | 北京嘉洁能科技股份有限公司 | Temperature compensation method for carbon fiber controller |
| CN111140910A (en) * | 2019-12-30 | 2020-05-12 | 广东美控电子科技有限公司 | Temperature control method, system and terminal of intelligent variable-frequency heating |
| CN113237666A (en) * | 2021-05-10 | 2021-08-10 | 潍柴动力股份有限公司 | Method and device for determining environment temperature credibility, engineering machine and medium |
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Application publication date: 20190308 |