CN113432280B - Air conditioning equipment control method and device and air conditioning equipment - Google Patents
Air conditioning equipment control method and device and air conditioning equipment Download PDFInfo
- Publication number
- CN113432280B CN113432280B CN202110730198.9A CN202110730198A CN113432280B CN 113432280 B CN113432280 B CN 113432280B CN 202110730198 A CN202110730198 A CN 202110730198A CN 113432280 B CN113432280 B CN 113432280B
- Authority
- CN
- China
- Prior art keywords
- frequency
- fresh air
- current
- compressor
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
-
- 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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses an air conditioning equipment control method, a control device and air conditioning equipment, wherein the air conditioning equipment comprises a fresh air system, the fresh air system comprises a fresh air heating device and a fresh air fan, the fresh air heating device is started to preheat the inlet air of the fresh air system when the inlet air of the fresh air system is in a closed state, and the fresh air fan is controlled to run at a first rotating speed in the preheating process; when the preheating meets the preset condition, an air inlet of the fresh air system is opened. The invention solves the technical problem of poor preheating effect of the fresh air system on the air conditioning equipment.
Description
Technical Field
The invention belongs to the technical field of control, and particularly relates to an air conditioning equipment control method, a control device and air conditioning equipment.
Background
A fresh air system is configured on the air-conditioning product, and the fresh air system has a fresh air function and an air-conditioning function. But the air conditioner product directly uses the new trend under the very low circumstances of outdoor temperature in winter, and outdoor cold air can directly get into indoor, and can influence the heating effect of air conditioning equipment, leads to user experience poor. The electric heating sheet can be added to heat the air inlet of the fresh air system so as to improve the user experience.
Disclosure of Invention
The invention aims to at least solve the technical problem that a fresh air system on air conditioning equipment is poor in preheating effect to a certain extent.
In a first aspect, an embodiment of the present invention provides a method for controlling an air conditioning apparatus, where the air conditioning apparatus includes a fresh air system, the fresh air system includes a fresh air heating device and a fresh air fan, and the method includes: when an air inlet of the fresh air system is in a closed state, starting the fresh air heating device to preheat the air inlet of the fresh air system, and controlling the fresh air fan to run at a first rotating speed in a preheating process; and when the preheating meets the preset condition, opening an air inlet of the fresh air system.
In some embodiments, before the starting the fresh air heating device preheats the intake air of the fresh air system, the method further comprises: responding to an opening instruction aiming at the fresh air system, and detecting the air inlet temperature of the fresh air system; if the air inlet temperature is smaller than a preset temperature threshold value, controlling an air inlet of the fresh air system to be in a closed state; if the air inlet temperature is not less than the preset temperature threshold, opening an air inlet of the fresh air system, and starting the fresh air fan to operate at a second rotating speed, wherein the second rotating speed is greater than the first rotating speed.
In some embodiments, when the preheating meets a preset condition, the method further comprises: and controlling the fresh air fan to rise from the first rotating speed to the second rotating speed to operate.
In some embodiments, the controlling the fresh air fan to increase from the first rotational speed to a second rotational speed comprises: when the opening time of the air inlet of the fresh air system reaches a first preset time, the fresh air fan is controlled to rise from the first rotating speed to the second rotating speed.
In some embodiments, after the starting the fresh air heating device to preheat the intake air of the fresh air system, the method further comprises: acquiring the working current of an external machine of the air conditioning equipment; and if the working current of the external machine is in the frequency limiting current interval, performing frequency limiting treatment on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment.
In some embodiments, the frequency limiting process for the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment includes: determining a preset frequency raising stage of a heating mode of the compressor currently running; if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency raising at a first frequency raising speed, wherein the first frequency raising speed is lower than a target frequency raising speed of the preset frequency raising stage; and if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change towards the critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval.
In some embodiments, the frequency limiting process for the compressor according to the working current of the external machine and the current running state of the compressor includes: determining a preset frequency reduction stage of the compressor in a heating mode; if the working current of the external machine is in the critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency reduction at a target frequency reduction speed or maintaining the current frequency; and if the working current of the external machine is in the overload subinterval of the frequency limiting current interval, controlling the compressor to perform frequency reduction at the frequency reduction speed.
In some embodiments, the air conditioning apparatus further comprises an electric auxiliary heating device, the obtaining the external operating current of the air conditioning apparatus comprises: and if the air conditioning equipment currently operates in a heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment.
In some embodiments, the frequency limited current interval is configured to be greater than a first frequency limited current threshold, wherein the first frequency limited current threshold is related to the power of the fresh air heating device and the power of the electric auxiliary heating device.
In a second aspect, an embodiment of the present invention provides a method for controlling an air conditioning apparatus, where the air conditioning apparatus includes a fresh air system, the fresh air system includes a fresh air heating device and a fresh air fan, and the method includes: when the starting of the fresh air heating device is monitored, determining the current running state of the air conditioning equipment; if the air conditioning equipment currently operates in a heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment; judging whether the working current of the external machine is in a frequency-limiting current interval or not; and if so, carrying out frequency limiting treatment on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment.
In some embodiments, the frequency limiting process for the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment includes: determining a preset frequency raising stage of a heating mode of the compressor currently running; if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency raising at a first frequency raising speed, wherein the first frequency raising speed is lower than a target frequency raising speed of the preset frequency raising stage; and if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change towards the critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval.
In some embodiments, the frequency limiting process for the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment includes: determining a preset frequency reduction stage of the compressor in a heating mode; if the working current of the external machine is in the critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency reduction at a target frequency reduction speed or maintaining the current frequency; and if the working current of the external machine is in the overload subinterval of the frequency limiting current interval, controlling the compressor to perform frequency reduction at the frequency reduction speed.
In a third aspect, an embodiment of the present invention provides a control device for an air conditioning apparatus, where the air conditioning apparatus includes a fresh air system, the fresh air system includes a fresh air heating device and a fresh air fan, and the control device includes: the preheating unit is used for starting the fresh air heating device to preheat the air inlet of the fresh air system when the air inlet of the fresh air system is in a closed state, and controlling the fresh air fan to operate at a first rotating speed in the preheating process; and the air inlet unit is used for opening an air inlet of the fresh air system when the preheating meets the preset condition.
In a fourth aspect, an embodiment of the present invention provides an air conditioning apparatus, including a fresh air system, where the fresh air system includes a fresh air heating device and a fresh air fan, and further includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method according to any embodiment of the first aspect or implementing the method according to any embodiment of the second aspect when the program is executed.
According to the embodiment of the invention, the fresh air heating device is started to preheat the air inlet of the fresh air system when the air inlet of the fresh air system is in a closed state, and the fresh air fan is controlled to run in the preheating process at the first rotating speed until the preheating meets the preset condition. So that cold air is not introduced from an air inlet of the fresh air system in the preheating process, and the fresh air fan is controlled to run at a first rotating speed in the preheating process, the air flow in the fresh air system can be increased, the local overheating of the fresh air heating device in the preheating process is avoided, therefore, the safety of the preheating process is improved, the fresh air heating device can have enough preheating time, the preheating effect can be improved, and further, the user experience when fresh air is started is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural diagram of an air conditioning apparatus in an embodiment of the present invention;
FIG. 2 shows a schematic diagram of the fresh air system of FIG. 1;
fig. 3 shows a flowchart of an air conditioning apparatus control method of the first aspect in an embodiment of the present invention;
FIG. 4 shows a detailed implementation schematic of an air conditioner control method in an embodiment of the invention;
fig. 5 is a flowchart showing an air conditioner control method of a second aspect in the embodiment of the present invention;
FIG. 6 shows a functional block diagram of a control device of an air conditioning apparatus according to an embodiment of the present invention;
fig. 7 shows a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
In view of the technical problem that a fresh air system of air conditioning equipment has poor preheating effect in the related art, the embodiment of the invention provides an air conditioning equipment control method, a control device and air conditioning equipment.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Hereinafter, a detailed description will be given of an air conditioning apparatus control method provided by an embodiment of the present invention with reference to specific embodiments in conjunction with the accompanying drawings.
In a first aspect, an embodiment of the present invention provides a method for controlling an air conditioner, where the air conditioner is integrated with a fresh air system, so as to at least improve a preheating effect of the fresh air system of the air conditioner.
Referring to fig. 1 and 2, an air conditioning apparatus according to an embodiment of the present invention includes: an air conditioner indoor unit and an air conditioner outdoor unit. The air conditioner inner unit comprises a fresh air system and an electric auxiliary heating device, wherein a fresh air heating device, a temperature detection device and a fresh air fan are arranged in an air channel of the fresh air system, and the fresh air heating device is used for heating introduced fresh air. The fresh air fan is used for providing power for introducing fresh air, and the temperature detection device is used for detecting the temperature of the air inlet of the fresh air system or the temperature of more position points. One end of an air channel of the fresh air system is an air inlet, and the other end is an air outlet. It will be appreciated that the fresh air system may also include other functional components, such as: the air purification component is used for filtering, purifying, sterilizing and the like the introduced fresh air, and is also used for detecting the humidity of the introduced fresh air, for example, a humidity detection device.
Specifically, the electric auxiliary heating device is used for performing auxiliary heating when the air conditioning equipment is operated in a heating mode so as to increase the heating capacity of the air conditioning equipment. The air conditioner external unit comprises a compressor and a current detection device, and the current detection device is used for detecting working current of the air conditioner external unit.
Next, on the basis of fig. 1 and fig. 2, a method for controlling an air conditioner according to an embodiment of the present invention will be described in detail with reference to fig. 3. The air conditioning equipment control method provided by the embodiment of the invention comprises the following steps:
s301, when an air inlet of the fresh air system is in a closed state, starting the fresh air heating device to preheat the air inlet of the fresh air system, and controlling the fresh air fan to run at a first rotating speed in a preheating process.
When the outdoor temperature is low, fresh air is directly introduced from the outside to the inside, so that the user experience is poor. Therefore, in some embodiments, when an opening instruction for the fresh air system is acquired, acquiring a parameter to be discriminated; judging whether the current opening condition of the fresh air heating device is met or not according to the parameters to be judged; and if the current opening condition of the fresh air heating device is met, controlling an air inlet of the fresh air system to be in a closed state. If the current opening condition of the fresh air heating device is not met, the air inlet of the fresh air system is directly opened, the fresh air fan is controlled to start and run at a set second rotating speed, so that the fresh air system can not start the fresh air heating device to heat the introduced fresh air after being started, and the fresh air is directly introduced into a room.
In the embodiment of the invention, the parameters to be discriminated can include temperature parameters, and on the basis, other parameters can be included, such as: humidity parameter.
In some embodiments, the temperature parameter may be: the air inlet temperature of the fresh air system. Based on the temperature, the air inlet temperature of the fresh air system can be obtained; judging whether the air inlet temperature of the fresh air system is smaller than a preset temperature threshold value; if the air inlet temperature of the fresh air system is smaller than a preset temperature threshold value, the condition that the fresh air heating device is started is characterized to be met, and the air inlet of the fresh air system is controlled to be in a closed state; if the air inlet temperature is not less than the preset temperature threshold, the representation does not meet the starting condition of the fresh air heating device, an air inlet of the fresh air system is directly opened, and the fresh air fan is started to operate at the second rotating speed.
Specifically, the temperature detection device is arranged in an air duct of the fresh air system to detect the air inlet temperature of the fresh air system. The temperature detection device can also be arranged at the air inlet of the fresh air system. Wherein the temperature detection means comprises one or more temperature sensors.
If the air inlet temperature of the fresh air system is smaller than a preset temperature threshold, the outdoor temperature is lower, fresh air is directly introduced into a room, the indoor temperature can be influenced, and if the air conditioning equipment is in a heating mode, the heating effect can be influenced. Therefore, when the air inlet temperature of the fresh air system is smaller than a preset temperature threshold value, the air inlet of the fresh air system is controlled to be closed, and cold air is prevented from being introduced into a room.
In specific implementation, the detection of the air inlet temperature of the fresh air system can be performed when the fresh air system is started. Specifically, the method can trigger the air inlet temperature of the fresh air system to be detected once in response to an opening instruction for the fresh air system, and respond to the opening instruction according to different detected air inlet temperatures, wherein the starting process of the fresh air system is different. Of course, the air inlet temperature of the fresh air system can be continuously detected in the running process of the fresh air system, and once the air inlet temperature of the fresh air system is detected to be smaller than the preset temperature threshold value, the air inlet of the fresh air system is controlled to be in a closed state.
For example, the preset temperature threshold may be set to 0 ℃, that is, when the air inlet temperature of the fresh air system is detected to be less than 0 ℃, the air inlet of the fresh air system is controlled to be in a closed state. Of course, in actual implementation, the preset temperature threshold may be set according to actual needs.
In order to determine more accurately whether the fresh air heating device of the fresh air system needs to be turned on, the temperature parameter may be an actual temperature difference between an outdoor environment temperature and an indoor environment temperature of an environment where the fresh air system is located, unlike the above embodiment. Specifically, detecting the outdoor environment temperature and the indoor environment temperature of the environment where the fresh air system is located; determining an actual temperature difference according to the indoor environment temperature and the indoor environment temperature; and comparing the actual temperature difference with a preset temperature difference threshold, and if the actual temperature difference is larger than the preset temperature difference threshold, controlling an air inlet of the fresh air system to be in a closed state by representing that the opening condition of the fresh air heating device is met. If the actual temperature difference is not greater than the preset temperature difference threshold, the indication that the starting condition of the fresh air heating device is not met is provided.
In the embodiment of the present invention, the first rotation speed may be set to a rotation speed lower than the second rotation speed. If there are multiple rotational speed gears for the fresh air fan, the first rotational speed may be the lowest rotational speed gear or the next lowest rotational speed gear configured as the fresh air fan.
Because the in-process that utilizes new trend heating device to preheat the air inlet of new trend system, new trend fan carries out the low-speed operation with first rotational speed, can avoid new trend heating device's dry combustion method, and new trend fan is at the low-speed operation of preheating in-process messenger's air has sufficient heating time, has improved preheating effect, avoids preheating time not enough and the new trend temperature appears and can not reach user's comfortable temperature.
Because the temperature of the fresh air heating device rises slowly when the fresh air heating device is just electrified and started, the temperature rises for a certain time, the air inlet of the fresh air system is in a closed state in the preheating process, and outdoor cold air cannot enter the room in the preheating process, so that a low-temperature fresh air direct blowing user is avoided.
In order to further ensure the dry-heating prevention effect, in S301, the fresh air fan may be started first when the air inlet of the fresh air system is in a closed state, and the fresh air heating device may be started again to perform preheating when the duration of the operation of the fresh air fan at the first rotation speed reaches the second preset duration. Of course, the fresh air heating device can be started, and the fresh air fan can be started and controlled to operate in the preheating process.
S302, when preheating meets preset conditions, opening an air inlet of the fresh air system.
In the embodiment of the present invention, the preheating satisfies the preset condition, which may be: and starting the fresh air heating device to preheat the air, wherein the actual preheating time length reaches the preset preheating time length. The temperature in the air duct of the fresh air system can be monitored in the preheating process of starting the fresh air heating device, and when the temperature in the air duct reaches the preheating temperature threshold value, the preheating meets the preset condition.
Further, in S302, when the preheating meets the preset condition, the fresh air fan can be controlled to be operated from the first rotation speed to the second rotation speed, and after the preheating effect is achieved, the fresh air fan is controlled to be operated at a higher rotation speed, so that the fresh air effect is improved.
Under an implementation mode, be provided with a plurality of transition rotational speeds between first rotational speed and second rotational speed, can open the air intake of new trend system simultaneously, control new trend fan and carry out the speed from first rotational speed for the rotational speed of new trend fan rises to the second rotational speed after at least one transition rotational speed, has avoided when opening from this the air intake, blows in the influence of the new trend after the heating to user's travelling comfort suddenly at a high speed.
Different from the above embodiment, the air inlet of the fresh air system is opened, and the fresh air fan is kept to continue to operate at the first rotational speed within the first preset time period of opening the fresh air system; when the opening time of the air inlet of the fresh air system reaches a first preset time, the fresh air fan is controlled to rise from the first rotating speed to the second rotating speed. Therefore, when the air inlet is opened, high-temperature fresh air is suddenly blown in at a high speed, and the comfort of the fresh air is improved.
It should be noted that the second rotation speed may be configured as a rotation speed of the fresh air fan at the last operation, or configured as a rotation speed set by a user when the fresh air system is turned on.
After the fresh air system is preheated, the power of the fresh air heating device tends to be stable, at the moment, the air inlet of the fresh air system is opened, the outdoor cold air can be heated stably through the fresh air heating device to enable the temperature to rise, and at the moment, when the rotating speed of the fresh air fan is restored to the set second rotating speed, the fresh air with stable temperature and proper wind speed can be achieved.
Next, a method for controlling air conditioner according to an embodiment of the present invention will be described with reference to fig. 4:
firstly, executing the step 1, namely acquiring an opening instruction aiming at a fresh air system;
next, step 2: and responding to the starting instruction, detecting the air inlet temperature of the fresh air system, wherein the air inlet temperature represents the outdoor environment temperature of the control equipment.
Next, step 3: judging whether the current opening condition of the fresh air heating device is met or not according to the air inlet temperature, and if not, executing the step 4; otherwise, step 5 is performed.
And 4, executing the step: and directly opening a fresh air inlet used for being connected with the outside of the air conditioner on the fresh air system, and opening a fresh air fan in the air conditioner inner unit to control the fresh air fan to run at a set second rotating speed.
And (5) executing the following steps: and when the air inlet of the fresh air system is in a closed state, starting and controlling the fresh air fan to start running at a first rotation speed.
After step 5, step 6 is then performed: when the running time of the fresh air fan at the first rotating speed reaches the second preset time, the fresh air heating device is started to preheat, and the fresh air fan is controlled to run at the first rotating speed in the preheating process.
Next, step 7: when the actual duration of preheating is preset when the fresh air heating device is started, an air inlet of a fresh air system is opened, and the fresh air fan is kept to continue to operate at the first rotating speed for the first preset duration.
Next, step 8 is performed: and after the fresh air fan continues to operate at the first rotating speed for a first preset period of time, controlling the fresh air fan to rise from the first rotating speed to the second rotating speed for operation.
Because the air conditioning equipment integrated with the fresh air system is in the actual use process of the air conditioning equipment, the fresh air heating device and the electric auxiliary heating device are simultaneously opened, so that the load of the electric wire is relatively large. While the wires of air conditioning equipment are allowed to carry current for a long period of time at 25-32A. In a heating mode of 3 air conditioning apparatuses of a general 72-unit air conditioner, an input power of an external air conditioner can reach more than 4000W, and a heating electric auxiliary heating power of an electric auxiliary heating device used by the internal air conditioner is 2200-2500W, if a fresh air heating device uses an electric heating sheet of more than 600W, under the condition that the electric auxiliary heating device and the fresh air heating device are simultaneously started, a total power of the air conditioning apparatus can exceed 7200W, so that a load current of an electric wire of the air conditioning apparatus exceeds an allowable current-carrying upper limit 32A, namely: 7200W/220 v=32.7a. While other specifications of air conditioning equipment may have similar current overload conditions.
Referring to fig. 1, the air conditioning apparatus may further include an electric auxiliary heating device for implementing auxiliary heating. When the electric auxiliary heating device and the fresh air heating device of the air conditioning equipment are simultaneously started, the total power of the air conditioning equipment is too high and exceeds the load of an electric wire, so that after the fresh air heating device of the fresh air system is started, the working current of the external machine of the air conditioning equipment is obtained, whether the working current of the external machine is in a frequency-limiting current interval is judged, and if the working current of the external machine is in the frequency-limiting current interval, the frequency-limiting treatment is carried out on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment. If the working current of the external machine is lower than the lower limit current value of the frequency limiting current interval, the frequency limiting treatment of the compressor is not needed.
In the embodiment of the invention, the frequency limiting current interval is preset to be larger than a first frequency limiting current threshold, wherein the first frequency limiting current threshold can be configured as (Imax-1A), imax is a second frequency limiting current threshold, and the second frequency limiting current threshold is directly related to the power of the fresh air heating device and the power of the electric auxiliary heating device. That is, when the external operation current I < (Imax-1A), the compressor is not subjected to any frequency limiting treatment. And when the I is more than or equal to (Imax-1A), the frequency limiting treatment of the compressor is carried out according to the working current of the external machine and the current running state of the compressor.
Specifically, the value of the second frequency-limited current threshold Imax is given by the following formula:
imax= (maximum total power of air conditioning equipment-maximum power of electric auxiliary heating device-maximum power of fresh air heating device)/supply voltage. For example, if the heating electric auxiliary thermal power is equal to the nominal 2400W, the combination error is as follows: the maximum power of the electric auxiliary heating device is 2640W, the nominal power of the fresh air heating device is 800W, the combination error is within the range of (+ 10%, -5%), the maximum power of the fresh air heating device is 880W, and if the maximum total power of the air conditioning equipment is 7200W and the power consumption voltage is 220V, imax=16.7A. The corresponding first frequency limited current threshold is 15.7A.
In some embodiments, detecting a current operating state of the air conditioning apparatus when it is detected that the air conditioning apparatus starts a fresh air heating device of a fresh air system includes: when the fresh air heating device of the fresh air system is detected to be started by the air conditioning equipment, whether the air conditioning equipment is currently operated in a heating mode or not is detected, whether the electric paving device is in a starting state or not is detected, and if the air conditioning equipment is currently operated in the heating mode and the electric auxiliary device of the air conditioning equipment is in the starting state, the working current of the external machine of the air conditioning equipment is obtained. If the electric auxiliary heating device of the air conditioning equipment is in an unopened state, the external working current of the air conditioning equipment does not need to be acquired, and even if the external working current exceeds a first frequency limiting current threshold value or even exceeds a second frequency limiting current threshold value, the compressor is not subjected to frequency limiting treatment.
In the embodiment of the invention, if the air conditioning equipment is operated in the heating mode, the compressor can alternately execute the preset frequency raising stage and the preset frequency lowering stage based on the preset condition so as to maintain the preset temperature.
If the working current of the external machine is in the frequency limiting current interval, different frequency limiting strategies are correspondingly executed according to whether the current stage of the compressor is a preset frequency increasing stage or a frequency reducing stage:
if the compressor is determined to be currently operated in a preset frequency raising stage of the heating mode; judging whether the working current of the external machine is in a critical subinterval or an overload subinterval; if the working current of the external machine is in a critical subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency-raising at a first frequency-raising speed, wherein the first frequency-raising speed is lower than a target frequency-raising speed in a preset frequency-raising stage; if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, the compressor is controlled to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change to the critical subinterval, wherein the first frequency reduction speed is lower than the target frequency reduction speed of a preset frequency reduction stage in a heating mode.
It should be noted that, the target frequency-raising speed is configured for the compressor, and is used for carrying out the frequency-raising speed of normal frequency raising in the preset frequency-raising stage, while the target frequency-raising speed is configured for the compressor, and is used for carrying out the frequency-raising speed of normal frequency raising in the preset frequency-raising stage, and is configured in advance, and under the condition that no current limiting protection is needed, the alternating frequency raising and raising are carried out by the target frequency-raising speed and the target frequency-raising speed, so as to meet the heating requirement.
It should be understood that the lower limit current value of the overload subinterval is not less than the upper limit current value of the critical subinterval. Specifically, the critical subinterval is configured as (Imax-1A) < I < Imax, and the overload subinterval is configured as I.gtoreq.Imax.
Since the load of the wire is already exceeded when the external operating current occurs in the overload subinterval, if the frequency is continuously increased at the target frequency increasing speed according to the heating requirement, the load of the wire is continuously increased. Causing a safety hazard. In the embodiment of the invention, the first frequency-reducing speed is used for carrying out slow frequency reduction in the preset frequency-increasing stage, so that the heating quantity is not suddenly and greatly reduced in the preset frequency-increasing stage which is required to be heated, the current is slowly reduced to the critical subinterval, and the safety and the heating stability of the compressor are ensured. When the current drops to the critical subinterval during the slow down-conversion of the first down-conversion speed, if the heating temperature does not reach the set temperature yet, in order to maintain the heating temperature, the slow down-conversion is performed at the first up-conversion speed lower than the target up-conversion speed, so as to continue heating, and the current load is excessive. Therefore, through the slow down conversion and the slow up conversion in the preset up conversion stage, the current cannot be greatly fluctuated, the duration of the current in the overload subinterval is not long, the total current is ensured to exceed the wire load and not to last too long, the safety is ensured, and the heating effect of the compressor is considered.
Wherein, if it is determined that the compressor is currently running in a preset down-conversion stage in the heating mode; judging whether the working current of the external machine is in a critical subinterval or an overload subinterval of the frequency-limiting current interval; if the working current of the external machine is in the critical subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at the target frequency reduction speed or maintain the current frequency; and if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to perform frequency reduction at the target frequency reduction speed. Normal up-and down-conversion is not allowed until I < (Imax-1A) enters the normal interval. Therefore, current fluctuation in a preset frequency-reducing stage is reduced, and the heating effect of the compressor is improved.
According to the embodiment of the invention, through the technical scheme, the current limiting protection is performed when the fresh air heating device is started, so that the heating and fresh air effects are ensured, and meanwhile, safety accidents caused by exceeding the wire load are avoided;
generally, the power of the fresh air heating device is smaller than that of the electric auxiliary heating device, and because the power of the compressor, the electric auxiliary heating device and the fresh air heating device is much larger than that of the fresh air fan, the embodiment of the invention does not consider the influence of the power of the fresh air fan on current change, and certainly, the influence of the power of the fresh air fan on setting a frequency limiting current interval can also be considered when the frequency of the compressor is limited.
In a second aspect, based on the same inventive concept, an embodiment of the present invention provides an air conditioning apparatus control method, as shown in fig. 1 and 2, where the air conditioning apparatus includes a fresh air system, the fresh air system includes a fresh air heating device and a fresh air fan, and as shown in fig. 5, the air conditioning apparatus control method includes:
s501, when the start of the fresh air heating device is monitored, determining the current running state of the air conditioning equipment.
S502, if the air conditioning equipment currently operates in a heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment.
S503, judging whether the working current of the external machine is in a frequency-limiting current interval; if so, the frequency limiting treatment is carried out on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment.
In some embodiments, the frequency limiting process is performed on the compressor according to an external operating current and a current operation state of the compressor of the air conditioning apparatus, including: determining a preset frequency raising stage of a heating mode of the compressor currently running; if the working current of the external machine is in a critical subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency-raising at a first frequency-raising speed, wherein the first frequency-raising speed is lower than a target frequency-raising speed in a preset frequency-raising stage; if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, the compressor is controlled to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change to the critical subinterval, wherein the first frequency reduction speed is lower than the target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval.
In some embodiments, the frequency limiting process is performed on the compressor according to an external operating current and a current operation state of the compressor of the air conditioning apparatus, including: determining a preset frequency-reducing stage of the compressor in a heating mode; if the working current of the external machine is in the critical subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at the target frequency reduction speed or maintain the current frequency; and if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to perform frequency reduction at a frequency reduction speed.
It can be understood that in the embodiment of the present invention, the air conditioning apparatus control method according to the first aspect is implemented in more detail.
In a third aspect, based on the same inventive concept, an embodiment of the present invention provides a control device for an air conditioning apparatus, where the air conditioning apparatus includes a fresh air system, and the fresh air system includes a fresh air heating device and a fresh air fan. Referring to fig. 6, the control device of an air conditioner includes:
the preheating unit 601 is configured to start the fresh air heating device to preheat the intake air of the fresh air system when the intake air of the fresh air system is in a closed state, and control the fresh air fan to operate at a first rotation speed in a preheating process;
And the air inlet unit 602 is used for opening an air inlet of the fresh air system when the preheating meets the preset condition.
In some embodiments, the control device of an air conditioner further includes:
the temperature measuring unit is used for responding to an opening instruction aiming at the fresh air system and detecting the air inlet temperature of the fresh air system;
the first control unit is used for controlling the air inlet of the fresh air system to be in a closed state if the air inlet temperature is smaller than a preset temperature threshold value;
and the second control unit is used for opening an air inlet of the fresh air system and starting the fresh air fan to operate at a second rotating speed if the air inlet temperature is not less than a preset temperature threshold value, wherein the second rotating speed is greater than the first rotating speed.
In some embodiments, the control device of an air conditioner further includes: and the speed regulating unit is used for controlling the fresh air fan to rise from the first rotating speed to the second rotating speed to run when the preheating meets the preset condition.
In some embodiments, the speed regulating unit is specifically configured to:
when the opening time of the air inlet of the fresh air system reaches a first preset time, the fresh air fan is controlled to rise from the first rotating speed to the second rotating speed.
In some embodiments, the control device of an air conditioner further includes:
the current acquisition unit is used for acquiring the working current of the external machine of the air conditioning equipment;
And the frequency limiting unit is used for carrying out frequency limiting treatment on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment if the working current of the external machine is in the frequency limiting current interval.
In some embodiments, the frequency limiting unit includes:
the first stage determining unit is used for determining a preset frequency-increasing stage of a heating mode of the compressor currently running;
the first frequency modulation unit is used for controlling the compressor to carry out frequency raising at a first frequency raising speed if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, and the first frequency raising speed is lower than a target frequency raising speed in a preset frequency raising stage;
and the second frequency modulation unit is used for controlling the compressor to carry out frequency reduction at a first frequency reduction speed if the working current of the external machine is in an overload subinterval of the frequency limiting current interval so as to enable the working current of the external machine to change to a critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval.
In some embodiments, the frequency limiting unit includes:
the second stage determining unit is used for determining a preset frequency-reducing stage of the compressor in a heating mode currently running;
The third frequency modulation unit is used for controlling the compressor to carry out frequency reduction at a target frequency reduction speed or maintain the current frequency if the working current of the external machine is in a critical subinterval of the frequency limiting current interval;
and the fourth frequency modulation unit is used for controlling the compressor to perform frequency reduction at a frequency reduction speed if the working current of the external machine is in an overload subinterval of the frequency limiting current interval.
In some embodiments, the air conditioning apparatus further comprises an electric auxiliary heating device, and a current acquisition unit, specifically configured to: and if the air conditioning equipment currently operates in the heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment.
In some embodiments, the frequency limited current interval is configured to be greater than a first frequency limited current threshold, wherein the first frequency limited current threshold is related to the power of the fresh air heating device and the power of the electric auxiliary heating device.
In a fourth aspect, based on the same inventive concept, an embodiment of the present invention provides an air conditioning apparatus, as shown in fig. 1 and 2, including a fresh air system, where the fresh air system includes a fresh air heating device and a fresh air fan, as shown in fig. 7, including a memory 704, a processor 702, and a computer program stored in the memory 704 and capable of running on the processor 702, where the processor 702 implements the control method of the air conditioning apparatus according to the first aspect or the second aspect when executing the computer program.
Where in FIG. 7 a bus architecture (represented by bus 700), bus 700 may comprise any number of interconnected buses and bridges, with bus 700 linking together various circuits, including one or more processors, as represented by processor 702, and memory, as represented by memory 704. Bus 700 may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., as are well known in the art and, therefore, will not be described further herein. Bus interface 705 provides an interface between bus 700 and receiver 701 and transmitter 703. The receiver 701 and the transmitter 703 may be the same element, i.e. a transceiver, providing a unit for communicating with various other apparatus over a transmission medium. The processor 702 is responsible for managing the bus 700 and general processing, while the memory 704 may be used to store data used by the processor 702 in performing operations.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
1. An air conditioning equipment control method, characterized in that the air conditioning equipment comprises a fresh air system, the fresh air system comprises a fresh air heating device and a fresh air fan, and the method comprises the following steps:
if the air inlet temperature of the fresh air system is smaller than a preset temperature threshold value, controlling an air inlet of the fresh air system to be in a closed state;
when an air inlet of the fresh air system is in a closed state, starting the fresh air heating device to preheat the air inlet of the fresh air system, and controlling the fresh air fan to run at a first rotating speed in a preheating process;
acquiring the working current of an external machine of the air conditioning equipment;
if the working current of the external machine is in the frequency limiting current interval, the frequency limiting processing is carried out on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment, and the frequency limiting processing comprises the following steps: determining a preset frequency raising stage of a heating mode of the compressor currently running; if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency raising at a first frequency raising speed, wherein the first frequency raising speed is lower than a target frequency raising speed of the preset frequency raising stage; if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change towards the critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval;
And when the preheating meets the preset condition, opening an air inlet of the fresh air system.
2. The method of claim 1, further comprising, prior to said activating said fresh air heating device to preheat the intake air to said fresh air system:
responding to an opening instruction aiming at the fresh air system, and detecting the air inlet temperature of the fresh air system;
if the air inlet temperature is not less than the preset temperature threshold, opening an air inlet of the fresh air system, and starting the fresh air fan to operate at a second rotating speed, wherein the second rotating speed is greater than the first rotating speed.
3. The method of claim 2, further comprising, when the preheating satisfies a preset condition: and controlling the fresh air fan to rise from the first rotating speed to the second rotating speed to operate.
4. The method of claim 3, wherein said controlling the operation of the fresh air fan from the first rotational speed to the second rotational speed comprises:
when the opening time of the air inlet of the fresh air system reaches a first preset time, the fresh air fan is controlled to rise from the first rotating speed to the second rotating speed.
5. The method of claim 1, wherein said frequency limiting said compressor based on said external operating current and a current operating state of said compressor, comprises:
Determining a preset frequency reduction stage of the compressor in a heating mode;
if the working current of the external machine is in the critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency reduction at a target frequency reduction speed or maintaining the current frequency;
and if the working current of the external machine is in the overload subinterval of the frequency limiting current interval, controlling the compressor to perform frequency reduction at the frequency reduction speed.
6. The method of claim 1, wherein the air conditioning unit further comprises an electrical auxiliary heating, and wherein the obtaining the external operating current of the air conditioning unit comprises:
and if the air conditioning equipment currently operates in a heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment.
7. The method of claim 6, wherein the frequency limited current interval is configured to be greater than a first frequency limited current threshold, wherein the first frequency limited current threshold is related to the power of the fresh air heating apparatus and the power of the electric auxiliary heating apparatus.
8. The utility model provides an air conditioning equipment control method which is characterized in that air conditioning equipment includes new trend system, new trend system includes new trend heating device and new trend fan, includes:
When the starting of the fresh air heating device is monitored, determining the current running state of the air conditioning equipment;
if the air conditioning equipment currently operates in a heating mode and the electric auxiliary heating device of the air conditioning equipment is in a starting state, acquiring the working current of the external machine of the air conditioning equipment;
judging whether the working current of the external machine is in a frequency-limiting current interval or not; if so, carrying out frequency limiting treatment on the compressor according to the working current of the external machine and the current running state of the compressor of the air conditioning equipment, wherein the frequency limiting treatment comprises the following steps: if the compressor is currently in a preset frequency-up stage, executing a frequency limiting strategy corresponding to the preset frequency-up stage: if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency raising at a first frequency raising speed, wherein the first frequency raising speed is lower than a target frequency raising speed of the preset frequency raising stage; and if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change towards the critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval.
9. The method of claim 8, wherein said frequency limiting the compressor based on the external operating current and the current operating state of the compressor of the air conditioning apparatus comprises:
determining a preset frequency reduction stage of the compressor in a heating mode;
if the working current of the external machine is in the critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency reduction at a target frequency reduction speed or maintaining the current frequency;
and if the working current of the external machine is in the overload subinterval of the frequency limiting current interval, controlling the compressor to perform frequency reduction at the frequency reduction speed.
10. The utility model provides a controlling means of air conditioning equipment, its characterized in that, air conditioning equipment includes new trend system, new trend system includes new trend heating device and new trend fan, controlling means includes:
the first control unit is used for controlling the air inlet of the fresh air system to be in a closed state if the air inlet temperature is smaller than a preset temperature threshold value;
the preheating unit is used for starting the fresh air heating device to preheat the air inlet of the fresh air system when the air inlet of the fresh air system is in a closed state, and controlling the fresh air fan to operate at a first rotating speed in the preheating process;
A current acquisition unit for acquiring an external working current of the air conditioning equipment;
the frequency limiting unit is configured to perform frequency limiting processing on the compressor according to the external working current and a current running state of the compressor of the air conditioning device if the external working current is within a frequency limiting current interval, where the frequency limiting processing includes: determining a preset frequency raising stage of a heating mode of the compressor currently running; if the working current of the external machine is in a critical subinterval of the frequency limiting current interval, controlling the compressor to carry out frequency raising at a first frequency raising speed, wherein the first frequency raising speed is lower than a target frequency raising speed of the preset frequency raising stage; if the working current of the external machine is in the overload subinterval of the frequency-limiting current interval, controlling the compressor to carry out frequency reduction at a first frequency reduction speed so as to enable the working current of the external machine to change towards the critical subinterval, wherein the first frequency reduction speed is lower than a target frequency reduction speed of a preset frequency reduction stage in a heating mode, and the lower limit current value of the overload subinterval is not smaller than the upper limit current value of the critical subinterval;
and the air inlet unit is used for opening an air inlet of the fresh air system when the preheating meets the preset condition.
11. The utility model provides an air conditioning equipment, its characterized in that includes new trend system, new trend system includes new trend heating device and new trend fan, still includes: memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of any one of claims 1-7 or the method of any one of claims 8-9 when the program is executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730198.9A CN113432280B (en) | 2021-06-29 | 2021-06-29 | Air conditioning equipment control method and device and air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730198.9A CN113432280B (en) | 2021-06-29 | 2021-06-29 | Air conditioning equipment control method and device and air conditioning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113432280A CN113432280A (en) | 2021-09-24 |
| CN113432280B true CN113432280B (en) | 2023-10-20 |
Family
ID=77757923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110730198.9A Active CN113432280B (en) | 2021-06-29 | 2021-06-29 | Air conditioning equipment control method and device and air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113432280B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704933B (en) * | 2022-02-18 | 2023-12-19 | 青岛海尔空调器有限总公司 | Method and device for controlling direct-current air conditioner and air conditioner |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100904623B1 (en) * | 2009-02-03 | 2009-06-25 | 주식회사 인터텍 | Smoke generator |
| EP2444755A2 (en) * | 2010-10-22 | 2012-04-25 | Drexel und Weiss Energieeffiziente Haustechniksysteme GmbH | Method for operating a ventilation device |
| CN103557596A (en) * | 2013-07-26 | 2014-02-05 | 宁波奥克斯空调有限公司 | Warm air blower control method |
| CN103822327A (en) * | 2013-10-29 | 2014-05-28 | 广东科龙空调器有限公司 | Frequency-conversion air-conditioner electrical heating control method |
| CN105099322A (en) * | 2015-08-05 | 2015-11-25 | 广东美的制冷设备有限公司 | Variable-frequency air-conditioner current frequency limiting method and device |
| CN105135618A (en) * | 2015-09-10 | 2015-12-09 | 深圳创维空调科技有限公司 | Frequency increasing method and system for variable frequency air conditioner |
| CN105135619A (en) * | 2015-09-10 | 2015-12-09 | 深圳创维空调科技有限公司 | Frequency increasing method and system for variable frequency air conditioner |
| CN107270500A (en) * | 2017-06-07 | 2017-10-20 | 广东美的制冷设备有限公司 | Air conditioner and its compressor control method and computer-readable recording medium |
| CN107314505A (en) * | 2017-06-16 | 2017-11-03 | 青岛海尔空调电子有限公司 | A kind of convertible frequency air-conditioner unit self-adaptation control method |
| CN107477787A (en) * | 2017-08-18 | 2017-12-15 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
| CN107883537A (en) * | 2017-10-02 | 2018-04-06 | 广东美的制冷设备有限公司 | New blower fan system and its control method, device and computer-readable recording medium |
| CN108759015A (en) * | 2018-05-18 | 2018-11-06 | 广东美的暖通设备有限公司 | The preheating control method and system of new wind turbine |
-
2021
- 2021-06-29 CN CN202110730198.9A patent/CN113432280B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100904623B1 (en) * | 2009-02-03 | 2009-06-25 | 주식회사 인터텍 | Smoke generator |
| EP2444755A2 (en) * | 2010-10-22 | 2012-04-25 | Drexel und Weiss Energieeffiziente Haustechniksysteme GmbH | Method for operating a ventilation device |
| CN103557596A (en) * | 2013-07-26 | 2014-02-05 | 宁波奥克斯空调有限公司 | Warm air blower control method |
| CN103822327A (en) * | 2013-10-29 | 2014-05-28 | 广东科龙空调器有限公司 | Frequency-conversion air-conditioner electrical heating control method |
| CN105099322A (en) * | 2015-08-05 | 2015-11-25 | 广东美的制冷设备有限公司 | Variable-frequency air-conditioner current frequency limiting method and device |
| CN105135618A (en) * | 2015-09-10 | 2015-12-09 | 深圳创维空调科技有限公司 | Frequency increasing method and system for variable frequency air conditioner |
| CN105135619A (en) * | 2015-09-10 | 2015-12-09 | 深圳创维空调科技有限公司 | Frequency increasing method and system for variable frequency air conditioner |
| CN107270500A (en) * | 2017-06-07 | 2017-10-20 | 广东美的制冷设备有限公司 | Air conditioner and its compressor control method and computer-readable recording medium |
| CN107314505A (en) * | 2017-06-16 | 2017-11-03 | 青岛海尔空调电子有限公司 | A kind of convertible frequency air-conditioner unit self-adaptation control method |
| CN107477787A (en) * | 2017-08-18 | 2017-12-15 | 广东美的制冷设备有限公司 | Air conditioner and its control method, device |
| CN107883537A (en) * | 2017-10-02 | 2018-04-06 | 广东美的制冷设备有限公司 | New blower fan system and its control method, device and computer-readable recording medium |
| CN108759015A (en) * | 2018-05-18 | 2018-11-06 | 广东美的暖通设备有限公司 | The preheating control method and system of new wind turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113432280A (en) | 2021-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062518B (en) | Air conditioner control method and control device | |
| CN203671837U (en) | Air conditioner | |
| CN107645020B (en) | Electric vehicle heat management control method and system | |
| CN103822327B (en) | A kind of transducer air conditioning electric heating controlling method | |
| CN103528134A (en) | Air conditioner and heating control method thereof | |
| CN101526257B (en) | Method for protecting compressor when air conditioner makes heat in high temperature environment | |
| CN104110780B (en) | Air conditioner and control method and system for electric auxiliary heating thereof | |
| CN104808719A (en) | Temperature control system and method | |
| CN103574830B (en) | Air-conditioner and control method thereof and control device | |
| CN104260616B (en) | A kind of electric automobile heating system and method | |
| JP2009254219A (en) | Power control apparatus and program | |
| CN104676837A (en) | Variable-frequency energy-saving method applied to whole-process temperature difference control of central air conditioner freeze water system | |
| CN105444327B (en) | A kind of operation of air conditioner control method | |
| CN105752774B (en) | The control method and control system of air conditioner for elevator | |
| CN113432280B (en) | Air conditioning equipment control method and device and air conditioning equipment | |
| CN110440403A (en) | A kind of dehumidification control method adapting to a variety of weather conditions, device and air-conditioning equipment | |
| CN112416039A (en) | Dehumidification method of power transformation cabinet | |
| CN104503514A (en) | Frequency converter constant temperature and humidity remote intelligent control method based on 4G wireless network transmission | |
| CN114216216A (en) | Control method and device for air conditioner operation | |
| CN102620381B (en) | Dehumidification controlling method for air conditioner with PTC (positive temperature coefficient) electrical heater | |
| CN107270582B (en) | Control method of heat pump unit and heat pump system | |
| CN108361929A (en) | Control method and control device, storage medium and mobile air-conditioner | |
| CN111351224A (en) | Method for adjusting power of electric water heater and electric water heater | |
| CN112254301A (en) | Method and device for controlling air conditioner and air conditioner | |
| CN114198861B (en) | Air conditioner control method and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |