CN106500244B - Air-conditioning electric heating controlling method and control device - Google Patents
Air-conditioning electric heating controlling method and control device Download PDFInfo
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- CN106500244B CN106500244B CN201610909350.9A CN201610909350A CN106500244B CN 106500244 B CN106500244 B CN 106500244B CN 201610909350 A CN201610909350 A CN 201610909350A CN 106500244 B CN106500244 B CN 106500244B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning electric heating controlling method and control devices.The described method includes: obtaining current indoor circumstance temperature under air-conditioning heating mode, the temperature difference between set temperature and the current indoor circumstance temperature is obtained, as the current temperature difference；The current temperature difference is made comparisons with the setting temperature difference；If the current temperature difference is not less than the setting temperature difference, the opening time that electric heater in the period is controlled at one is determined according to the current temperature difference, as the current opening time；Opening electric heater, and the electric heater is carried out control as follows: within a control period, the opening time for controlling electric heater is the current opening time.With the application of the invention, can be realized in simple, inexpensive mode using the stabilization of room temperature when electric heater auxiliary heating and the energy conservation of air-conditioning.
Description
Technical field
The invention belongs to air-conditioning technique fields, are to relate to more specifically specifically, being to be related to the control of air-conditioning
And air-conditioning electric heating controlling method and control device.
Background technique
It is both provided with electric heater greatly in existing air-conditioning, when air-conditioning heating amount is unable to meet demand, electric heating will be started
Device carries out room temperature adjusting using the auxiliary heating function of electric heater, that is, starting electric heater of air conditioner adds air
Temperature, and hot wind is sent to by interior by fan, thus the effect for playing heating, increasing indoor air temperature.
For the prior art when controlling electric heater, common mode is when between room temperature and set temperature
When the temperature difference is larger, control electric heater is always on.Using which, electric energy is not only wasted, is also easy to holding because of the hot device of motor
Continuous work causes to reach set temperature and shut down, and room temperature declines quickly and causes to be switched on again after shutdown, this frequent shutdown
Operation of air conditioner service life and room temperature comfort are impacted with booting.
Currently, in order to enable temperature adjusting stabilization, can carry out electricity by the way of to electric heater progress power control
Computer heating control.But the mode control circuit and control process of this power control are complicated, are influenced by parameters such as wind speed, temperature
Greatly, it controls inaccurate.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioning electric heating controlling method and control devices, with simple, inexpensive side
Formula is realized using the stabilization of room temperature when electric heater auxiliary heating and the energy conservation of air-conditioning.
For achieving the above object, air-conditioning electric heating controlling method provided by the invention, which adopts the following technical solutions, gives
It realizes:
A kind of air-conditioning electric heating controlling method, which comprises
Under air-conditioning heating mode, current indoor circumstance temperature is obtained, is obtained between set temperature and the current indoor circumstance temperature
The temperature difference, as the current temperature difference；
The current temperature difference is made comparisons with the setting temperature difference；
If the current temperature difference is not less than the setting temperature difference, determined within a control period according to the current temperature difference
The opening time of electric heater, as the current opening time；
Opening electric heater, and the electric heater is carried out control as follows: within a control period, control electricity
The opening time of heater is the current opening time.
Method as described above, within a control period, the opening time of the electric heater reaches described and works as
After the preceding opening time, controls the electric heater and close.
Method as described above, it is described that the unlatching that electric heater in the period is controlled at one is determined according to the current temperature difference
Time specifically includes as the current opening time:
Determine that the opening time of electric heater accounts for the percentage in the control period according to the current temperature difference, according to described
Percentage and the control period calculate the opening time of the electric heater within a control period, currently open as described
Open the time.
Method as described above, it is described to determine that the opening time of electric heater accounts for the control week according to the current temperature difference
The percentage of phase, specifically includes:
The current temperature difference+the b of percentage y:y=a* is determined using following formula；
Wherein, a and b is fixed value, and y maximum value is 1.
Method as described above controls the electric heater and closes if the current temperature difference is less than the setting temperature difference.
To realize aforementioned invention purpose, air-conditioning electric heating control device provided by the invention, which adopts the following technical solutions, to be come in fact
It is existing:
A kind of air-conditioning electric heating control device, described device include:
Current indoor circumstance temperature acquiring unit, for obtaining current indoor circumstance temperature under air-conditioning heating mode；
Current temperature difference acquiring unit, for obtaining the temperature difference between set temperature and the current indoor circumstance temperature, as working as
The preceding temperature difference；
Comparing unit for the current temperature difference to be made comparisons with the setting temperature difference, and exports comparison result；
Current opening time determination unit is that the current temperature difference is not less than for the output result in the comparing unit
The opening time that electric heater in the period is controlled at one is determined when the setting temperature difference according to the current temperature difference, as current
Opening time；
Electric heater control unit is opened for controlling electric heater, and within a control period, control electricity adds
The opening time of hot device is the current opening time.
Device as described above, the electric heater control unit are also used within a control period, described
After the opening time of electric heater reaches the current opening time, controls the electric heater and close.
Device as described above, the current opening time determination unit specifically include:
Percentage obtains subelement, for determining that the opening time of electric heater accounts for the control according to the current temperature difference
The percentage in period；
The current opening time obtains subelement, for according to the percentage and control period calculating described in one
The opening time for controlling electric heater in the period, as the current opening time.
Device as described above, the percentage obtain subelement and determine that the percentage y:y=a* works as using following formula
The preceding temperature difference+b；
Wherein, a and b is fixed value, and y maximum value is 1.
Device as described above, the electric heater control unit are also used to be less than the setting temperature in the current temperature difference
When poor, control the electric heater and close.
Compared with prior art, the advantages and positive effects of the present invention are: using methods and apparatus of the present invention to air-conditioning
When electric heating is controlled, the opening time of electric heater is determined according to the real-time temperature difference, controls electric heater according to the opening time
Unlatching control is carried out, the electric heating when reaching set temperature is avoided and continues working and be easy caused by reaching set temperature shutdown
Temperature adjusts the problem of unstable, discomfort and electric heating continues working the problem for causing energy consumption high；Moreover, by electricity
The working time of heater is controlled, and compared in such a way that frequency is controlled, control is simple, easy to accomplish, cost
It is low, and not vulnerable to the influence of other parameters, control is accurate.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is the flow chart based on air-conditioning electric heating controlling method one embodiment of the present invention；
Fig. 2 is the structural block diagram based on air-conditioning electric heating control device one embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to drawings and examples,
Invention is further described in detail.
Referring to Figure 1, which show the flow chart based on air-conditioning electric heating controlling method one embodiment of the present invention.
As shown in Figure 1, the embodiment realizes that the method for electric heating control includes the following steps shape under air-conditioning heating mode
At process:
Step 11: under air-conditioning heating mode, obtain current indoor circumstance temperature, obtain set temperature and current indoor circumstance temperature it
Between the temperature difference, as the current temperature difference.
Current indoor circumstance temperature refers to during operation of air conditioner, uses frequency air-conditioning institute detected according to setting indoors
Environment temperature.In general, deserving circumstance temperature in cup passes through the temperature sensor detection being arranged on air conditioner indoor unit, for example,
It is detected by the way that the temperature sensor of air conditioner indoor unit air inlet is arranged in.Indoor institute it is expected when set temperature is operation of air conditioner
The preference temperature that the temperature reached, temperature usually set by user or intelligent air condition provide.
In operation of air conditioner heating mode, current indoor circumstance temperature is obtained, then, obtains set temperature and current indoor circumstance temperature
Between the temperature difference, as the current temperature difference.Process execution when air-conditioning starting up, receiving heating mode instruction, is heating
It is also continually performed during mode operation.
Step 12: the current temperature difference is made comparisons with the setting temperature difference.
Setting the temperature difference is a pre-set temperature difference, is reflection current indoor circumstance temperature and set temperature size of the difference
One value, and can be modified by authorization.After step 11 obtains the current temperature difference, makes comparisons with the setting temperature difference, compare two
The size of person.
Step 13: judging whether the current temperature difference is not less than the setting temperature difference.If so, executing step 14；Otherwise, step is gone to
11, continue to obtain the current temperature difference.
If the current temperature difference shows that current indoor circumstance temperature is lower not less than the setting temperature difference, then need to open electric heating progress
Auxiliary heating is rapidly heated with realizing, specifically executes the electric heating control of step 14.If the current temperature difference is less than setting
The temperature difference shows that current indoor circumstance temperature and set temperature gap are smaller, simple to can be thus achieved quickly by the circulation of air conditioner coolant
Heating, then do not execute the electric heating control of step 14, but go to step 11, continue to obtain current indoor circumstance temperature and current temperature
Whether difference, realizing needs judgement to be started to electric heating in real time.Specifically, if the current temperature difference is less than the setting temperature difference, control
Electric heater is closed.It includes two layers of meaning that control electric heater mentioned here, which is closed: if electric heater itself is to close,
Then keep the closed state of electric heater；And if electric heater is to open, close electric heater.
Step 14: if the current temperature difference determines electric within a control period not less than the setting temperature difference according to the current temperature difference
The opening time of heater, as the current opening time；Opening electric heater, and electric heater is carried out control as follows: one
In a control period, the opening time for controlling electric heater is the current opening time.
Controlling the period is a preset time, for example, 30min.It is opened in the current temperature difference not less than the setting temperature difference, needs
When opening electric heater, determine that an opening time, the opening time are electric within a control period according to the current temperature difference first
The opening time of heater, and as the current opening time.Then, electric heating is opened, carries out auxiliary heating, also, at one
It controls in the period, the opening time for controlling electric heater is the current opening time.It is easily understood that in a control period
Opening time maximum is equal to the control period, that is, electric heater is all turned within the entirely control period.
If the opening time is less than the control period, after the opening time reaches the current opening time, control electricity adds
Hot device is closed.
The opening time of corresponding with real-time temperature difference electric heater is determined by reasonably mode, control electric heater according to
Opening time carries out unlatching control, rather than always on, can to avoid when reaching set temperature electric heating still continue working and
The problem of being easy to reach unstable temperature adjusting caused by set temperature is shut down, discomfort and electric heating are continued working and are caused
The high problem of energy consumption.Moreover, being controlled by the working time to electric heater, with the phase in such a way that frequency is controlled
Than, it is only necessary to by timing, when timing time does not reach control electric heater standard-sized sheet, timing time reach when directly close
The mode of electric heater is controlled, and control is simple, easy to accomplish, at low cost, and the control that electric heater is taken standard-sized sheet or closed entirely
Mode processed, heating capacity are stablized, and the adjusting of temperature is not influenced vulnerable to the interference of other parameters, and control is accurate.
As preferred embodiment, determined according to the current temperature difference when controlling the unlatching of electric heater in the period for one
Between, as the current opening time, specifically include:
Determine that the opening time of electric heater accounts for the percentage in control period according to the current temperature difference, according to percentage and control
Period calculates the opening time that electric heater in the period is controlled at one, as the current opening time.
By using first calculating percentage, further according to percentage and control the mode in period and determine the current opening time, hundred
The calculating process of point ratio can be general, the length in the control period without considering selection, and versatility is stronger.
Specifically, determine that the opening time of electric heater accounts for the percentage in control period according to the current temperature difference, it is specific to wrap
It includes:
The current temperature difference+the b of percentage y:y=a* is determined using following formula；
Wherein, a and b is fixed value, and y maximum value is 1.
Fig. 2 is referred to, is the structural block diagram based on air-conditioning electric heating control device one embodiment of the present invention shown in the figure.
As shown in Fig. 2, structural unit included by the device of embodiment realization air-conditioning electric heating control, each unit
Interconnected relationship between function and each unit is as follows:
Current indoor circumstance temperature acquiring unit 21, for obtaining current indoor circumstance temperature under air-conditioning heating mode.
Current temperature difference acquiring unit 22, for obtain set temperature and current indoor circumstance temperature acquiring unit 21 obtain it is current
The temperature difference between indoor circumstance temperature, as the current temperature difference.
Comparing unit 23 for the current temperature difference to be made comparisons with the setting temperature difference, and exports comparison result.
Current opening time determination unit 24 is the current temperature difference not less than setting for the output result in comparing unit 23
The opening time that electric heater in the period is controlled at one is determined when the temperature difference according to the current temperature difference, as the current opening time.
Electric heater control unit 25 is opened for controlling electric heater, and within a control period, controls electric heating
The opening time of device is the current opening time.
As preferred embodiment, electric heater control unit 25 is also used within a control period, in electric heating
After the opening time of device reaches the current opening time, control electric heater is closed.
In another preferred embodiment, electric heater control unit 25 is also used to be less than setting temperature in the current temperature difference
When poor, control electric heater is closed.
Above-mentioned each structural unit runs corresponding software program, is realized in the way of Fig. 1 embodiment to air-conditioning electric heating
Control.
For current opening time acquiring unit 24, it is preferred to use include the structure of following structural units to realize:
Percentage obtains subelement, for determining that the opening time of electric heater accounts for the hundred of control period according to the current temperature difference
Divide ratio.
The current opening time obtains subelement, electric within a period for being calculated according to percentage and the period
The opening time of heater, as the current opening time.
It is furthermore preferred that percentage, which obtains subelement, determines percentage y using following formula:
The current temperature difference+the b of y=a*；Wherein, a and b is fixed value, and y maximum value is 1.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of air-conditioning electric heating controlling method, which is characterized in that the described method includes:
Under air-conditioning heating mode, current indoor circumstance temperature is obtained, obtains the temperature between set temperature and the current indoor circumstance temperature
Difference, as the current temperature difference；
The current temperature difference is made comparisons with the setting temperature difference；
If the current temperature difference is not less than the setting temperature difference, determine that electricity adds within a control period according to the current temperature difference
The opening time of hot device, as the current opening time；
Opening electric heater, and the electric heater is carried out control as follows: within a control period, control electric heating
The opening time of device is the current opening time；
It is described that the opening time that electric heater in the period is controlled at one is determined according to the current temperature difference, when as current opening
Between, it specifically includes:
Determine that the opening time of electric heater accounts for the percentage in the control period according to the current temperature difference, according to the percentage
Than the opening time for calculating the electric heater within a control period with the control period, when as the current unlatching
Between；
It is described to determine that the opening time of electric heater accounts for the percentage in the control period according to the current temperature difference, it is specific to wrap
It includes:
The current temperature difference+the b of percentage y:y=a* is determined using following formula；
Wherein, a and b is fixed value, and y maximum value is 1.
2. the method according to claim 1, wherein within a control period, the electric heater
After opening time reaches the current opening time, controls the electric heater and close.
3. method according to claim 1 or 2, which is characterized in that if the current temperature difference is less than the setting temperature difference, control
The electric heater is made to close.
4. a kind of air-conditioning electric heating control device, which is characterized in that described device includes:
Current indoor circumstance temperature acquiring unit, for obtaining current indoor circumstance temperature under air-conditioning heating mode；
Current temperature difference acquiring unit, for obtaining the temperature difference between set temperature and the current indoor circumstance temperature, as current temperature
Difference；
Comparing unit for the current temperature difference to be made comparisons with the setting temperature difference, and exports comparison result；
Current opening time determination unit is the current temperature difference not less than described for the output result in the comparing unit
The opening time for controlling electric heater in the period at one is determined when setting the temperature difference according to the current temperature difference, is opened as current
Time；
Electric heater control unit is opened for controlling electric heater, and within a control period, controls electric heater
Opening time be the current opening time；
The current opening time determination unit specifically includes:
Percentage obtains subelement, for determining that the opening time of electric heater accounts for the control period according to the current temperature difference
Percentage；
The current opening time obtains subelement, for being calculated according to the percentage and the control period in the control
The opening time of electric heater in period, as the current opening time；
The percentage obtains subelement and determines the current temperature difference+b of percentage y:y=a* using following formula；
Wherein, a and b is fixed value, and y maximum value is 1.
5. device according to claim 4, which is characterized in that the electric heater control unit is also used to described in one
It controls in the period, after the opening time of the electric heater reaches the current opening time, controls the electric heater
It closes.
6. device according to claim 4 or 5, which is characterized in that the electric heater control unit is also used to described
When the current temperature difference is less than the setting temperature difference, controls the electric heater and close.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610909350.9A CN106500244B (en) | 2016-10-19 | 2016-10-19 | Air-conditioning electric heating controlling method and control device |
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| CN201610909350.9A CN106500244B (en) | 2016-10-19 | 2016-10-19 | Air-conditioning electric heating controlling method and control device |
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| CN106500244B true CN106500244B (en) | 2019-10-01 |
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| CN108826438A (en) * | 2018-06-20 | 2018-11-16 | 广东美的环境电器制造有限公司 | Adjusting method, device, heating load and the computer storage medium of heating power |
| CN111237984B (en) * | 2020-01-17 | 2021-09-10 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting control method and device, air conditioner and computer readable storage medium |
| CN111237997B (en) * | 2020-01-19 | 2021-04-20 | 广东美的制冷设备有限公司 | Air conditioner and control method and control device thereof |
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| JP2001090976A (en) * | 1999-09-24 | 2001-04-03 | Mitsubishi Electric Corp | Air-conditioner |
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