CN111043796A - Flow distribution control device and method of air conditioner and air conditioning unit - Google Patents
Flow distribution control device and method of air conditioner and air conditioning unit Download PDFInfo
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- CN111043796A CN111043796A CN201911250067.XA CN201911250067A CN111043796A CN 111043796 A CN111043796 A CN 111043796A CN 201911250067 A CN201911250067 A CN 201911250067A CN 111043796 A CN111043796 A CN 111043796A
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- air conditioner
- heat exchanger
- inlet pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The invention relates to a flow dividing control device and method of an air conditioner and an air conditioning unit, wherein the device comprises the following components: the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider; and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider. According to the technical scheme provided by the invention, the operation parameters of the air conditioner are detected, and whether the installation mode of the air conditioner is changed or not is judged according to the change condition of the operation parameters, so that the refrigerant is controlled to flow into the heat exchanger through the horizontal liquid inlet pipe or the vertical liquid inlet pipe, the air conditioner can achieve the best energy efficiency no matter the air conditioner is installed horizontally or vertically, the air conditioner can operate reliably when the installation mode is changed, the problems of condensation and improper freezing prevention protection caused by uneven shunting of the heat exchanger can not be generated, and the problem of energy efficiency attenuation caused by uneven shunting of the heat exchanger due to the change of the installation mode can be effectively solved.
Description
Technical Field
The invention relates to the technical field of air conditioning units, in particular to a flow dividing control device and method of an air conditioner and an air conditioning unit.
Background
The heat exchanger needs to adopt a multi-pipeline parallel connection mode for heat exchange, so that the refrigerant keeps the optimal flow velocity, and the pressure drop loss of the heat exchanger is reduced. But there is a problem of refrigerant maldistribution. The COP of the system can be reduced by 25% due to uneven refrigerant distribution, and the heat exchange is uneven due to the fact that part of branch refrigerant is excessive in vapor, low in evaporation temperature and high in superheat degree, and the other part of branch refrigerant is more in liquid.
Current air conditioner, for guaranteeing that the heat exchanger refrigerant reposition of redundant personnel is even, all adopt the venturi shunt to carry out evenly the reposition of redundant personnel to the refrigerant, make each branch road refrigerant flow of heat exchanger unanimous, but also require the venturi shunt vertical upwards simultaneously, just can guarantee that the refrigerant flow direction can not deviate. For the existing air conditioning devices with different installation modes, such as outlet household machines (horizontal installation and vertical installation), base cranes (base installation and hoisting), and the like, when the installation modes are changed, the Venturi flow divider can deviate from the vertical direction change, the flow of refrigerant at the outlet of the Venturi flow divider in each flow path can be changed inevitably due to the influence of factors such as gravity, and at the moment, due to the change of the flow in each flow path, the heat exchanger can be divided unevenly, the heat exchange quantity is greatly reduced, and the protection function based on the evaporator pipe temperature package, such as anti-freezing function, is also influenced.
Disclosure of Invention
In view of the above, the present invention provides a flow distribution control device and method for an air conditioner, and an air conditioning unit, so as to solve the problems of severe condensation and insufficient freezing protection caused by uneven flow distribution when the installation manner of the air conditioner is changed in the prior art.
According to a first aspect of embodiments of the present invention, there is provided a split flow control device of an air conditioner, including:
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider;
the detection device is used for detecting the operating parameters of the air conditioner;
and the controller is used for judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so that the refrigerant is controlled to flow into the indoor heat exchanger through the horizontal liquid inlet pipe or the refrigerant is controlled to flow into the indoor heat exchanger through the vertical liquid inlet pipe.
Preferably, the apparatus further comprises:
the electromagnetic valve is arranged on the horizontal liquid inlet pipe or the vertical liquid inlet pipe;
the electromagnetic valve is connected with the controller and used for controlling the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or controlling the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe through on-off of the electromagnetic valve.
Preferably, the first flow diverter, and/or the second flow diverter, is a venturi flow diverter.
According to a second aspect of the embodiments of the present invention, there is provided a split flow control method of an air conditioner, including:
detecting the operating parameters of the air conditioner;
judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so as to control the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or control the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
Preferably, the operating parameters include:
the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger; and/or the presence of a gas in the gas,
the air outlet temperature of the indoor heat exchanger.
Preferably, if the operating parameters include: the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger are judged whether the installation mode of the air conditioner is changed or not, and the method comprises the following steps:
calculating the temperature difference between the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger;
and if the temperature difference is within a preset temperature difference range, judging that the installation mode of the air conditioner is not changed, otherwise, judging that the installation mode of the air conditioner is changed.
Preferably, if the operating parameters include: the air outlet temperature of the indoor heat exchanger, judge whether the mounting means of the air conditioner changes, include:
and if the air outlet temperature is higher than the preset temperature value, judging that the installation mode of the air conditioner is changed, otherwise, judging that the installation mode of the air conditioner is not changed.
Preferably, if horizontal feed liquor pipe, perhaps, install the solenoid valve on the perpendicular feed liquor pipe, the control refrigerant flows in through horizontal feed liquor pipe indoor heat exchanger, perhaps, the control refrigerant flows in through perpendicular feed liquor pipe indoor heat exchanger specifically is:
if the installation mode of the air conditioner is judged to be changed, controlling the electromagnetic valve to act;
and if the installation mode of the air conditioner is not changed, the electromagnetic valve is controlled not to act.
Preferably, the detecting the operation parameters of the air conditioner specifically includes:
and after the air conditioner stably operates, detecting the operating parameters of the air conditioner.
According to a third aspect of embodiments of the present invention, there is provided an air conditioning unit comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
detecting the operating parameters of the air conditioner;
judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so as to control the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or control the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
by detecting the operating parameters of the air conditioner and judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operating parameters, the refrigerant is controlled to flow into the indoor heat exchanger through the horizontal liquid inlet pipe or flow into the indoor heat exchanger through the vertical liquid inlet pipe, the air conditioner can achieve the best energy efficiency no matter the air conditioner is installed horizontally or vertically, the air conditioner can operate reliably when the installation mode is changed, the problems of condensation and improper freezing prevention caused by uneven shunting of the heat exchanger cannot be caused, and the problem of energy efficiency attenuation caused by uneven shunting of the heat exchanger due to the fact that the installation mode is changed can be effectively solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram illustrating a flow dividing control apparatus of an air conditioner according to an exemplary embodiment;
FIG. 2 is an installation schematic diagram of a split flow control device of an air conditioner according to an exemplary embodiment;
FIG. 3A illustrates a floor mounted air conditioner according to an exemplary embodiment;
FIG. 3B illustrates a horizontally mounted air conditioner according to an exemplary embodiment;
fig. 4 is a flowchart illustrating a flow division control method of an air conditioner according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic diagram illustrating a flow dividing control apparatus of an air conditioner according to an exemplary embodiment, the apparatus, as shown in fig. 1, including:
the horizontal liquid inlet pipe 1 is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider 3;
the vertical liquid inlet pipe 2 is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider 4;
a detecting device (not shown in the drawings) for detecting an operation parameter of the air conditioner;
and a controller (not shown in the drawings) for determining whether the installation mode of the air conditioner is changed according to the change of the operation parameter, so as to control the refrigerant to flow into the indoor heat exchanger through the horizontal liquid inlet pipe, or control the refrigerant to flow into the indoor heat exchanger through the vertical liquid inlet pipe.
It should be noted that the technical solution provided in this embodiment is applicable to an indoor unit of an air conditioner.
Preferably, the first flow diverter, and/or the second flow diverter, is a venturi flow diverter.
The controller includes but is not limited to: singlechip, microprocessor, PLC controller, DSP controller, FPGA controller etc..
Preferably, the operating parameters include:
the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger; and/or the presence of a gas in the gas,
the air outlet temperature of the indoor heat exchanger.
If the operation parameters are the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger, referring to fig. 2, 5 is an outlet pipe temperature sensing bulb of the indoor heat exchanger, and is used for detecting the outlet pipe temperature of the indoor heat exchanger; and 6, an inlet pipe temperature sensing bulb of the indoor heat exchanger is used for detecting the inlet pipe temperature of the indoor heat exchanger.
It can be understood that, referring to fig. 1, since the horizontal liquid inlet pipe and the vertical liquid inlet pipe are perpendicular to each other, no matter the air conditioner is vertically installed as shown in fig. 3A or horizontally installed as shown in fig. 3B, it can be ensured that a flow divider is vertically upward, the flow direction of the refrigerant is not deviated, and the flow rate of the refrigerant in each flow path is uniform, thereby effectively avoiding the problems of serious condensation and improper freezing protection of the air conditioner caused by uneven flow division.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation parameters of the air conditioner, according to the change of the operation parameters, it is determined whether the installation mode of the air conditioner is changed, so as to control the refrigerant to flow into the indoor heat exchanger through the horizontal liquid inlet pipe, or control the refrigerant to flow into the indoor heat exchanger through the vertical liquid inlet pipe, thereby ensuring that the air conditioning device can achieve the best energy efficiency no matter in horizontal installation or vertical installation, ensuring that when the installation mode is changed, the air conditioner can operate reliably, avoiding the problems of condensation and poor freezing prevention protection caused by uneven shunt of the heat exchanger, and effectively solving the problem of energy efficiency attenuation caused by uneven shunt of the heat exchanger due to the change of the installation mode.
Preferably, the apparatus further comprises:
the electromagnetic valve 7 is arranged on the horizontal liquid inlet pipe or the vertical liquid inlet pipe;
the electromagnetic valve is connected with the controller and used for controlling the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or controlling the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe through on-off of the electromagnetic valve.
Fig. 4 is a flowchart illustrating a flow dividing control method of an air conditioner according to an exemplary embodiment, as shown in fig. 4, the method including:
step S11, detecting the operation parameters of the air conditioner;
step S12, judging whether the installation mode of the air conditioner is changed according to the change condition of the operation parameters, thereby controlling the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or controlling the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
It should be noted that the technical solution provided in this embodiment is applicable to an indoor unit of an air conditioner.
Preferably, the first flow diverter, and/or the second flow diverter, is a venturi flow diverter.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation parameters of the air conditioner, according to the change of the operation parameters, it is determined whether the installation mode of the air conditioner is changed, so as to control the refrigerant to flow into the indoor heat exchanger through the horizontal liquid inlet pipe, or control the refrigerant to flow into the indoor heat exchanger through the vertical liquid inlet pipe, thereby ensuring that the air conditioning device can achieve the best energy efficiency no matter in horizontal installation or vertical installation, ensuring that when the installation mode is changed, the air conditioner can operate reliably, avoiding the problems of condensation and poor freezing prevention protection caused by uneven shunt of the heat exchanger, and effectively solving the problem of energy efficiency attenuation caused by uneven shunt of the heat exchanger due to the change of the installation mode.
Preferably, the operating parameters include:
the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger; and/or the presence of a gas in the gas,
the air outlet temperature of the indoor heat exchanger.
Preferably, if the operating parameters include: the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger are judged whether the installation mode of the air conditioner is changed or not, and the method comprises the following steps:
calculating the temperature difference between the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger;
and if the temperature difference is within a preset temperature difference range, judging that the installation mode of the air conditioner is not changed, otherwise, judging that the installation mode of the air conditioner is changed.
It should be noted that the preset temperature difference range is set according to historical empirical values or experimental data, for example, set to 0 ℃ to 2 ℃. The preset temperature difference range can be adjusted according to the size of the air conditioner type and the actual condition and is generally obtained through experimental tests before leaving a factory.
Preferably, if the operating parameters include: the air outlet temperature of the indoor heat exchanger, judge whether the mounting means of the air conditioner changes, include:
and if the air outlet temperature is higher than the preset temperature value, judging that the installation mode of the air conditioner is changed, otherwise, judging that the installation mode of the air conditioner is not changed.
It should be noted that the preset temperature value is set according to historical experience values or experimental data. It can be understood that if the shunting is unevenly distributed to cause poor heat exchange effect, the air outlet temperature of the indoor unit heat exchanger is higher, so that whether the installation mode of the air conditioner is changed or not can be judged by comparing the air outlet temperature with the preset temperature value.
Preferably, if horizontal feed liquor pipe, perhaps, install the solenoid valve on the perpendicular feed liquor pipe, the control refrigerant flows in through horizontal feed liquor pipe indoor heat exchanger, perhaps, the control refrigerant flows in through perpendicular feed liquor pipe indoor heat exchanger specifically is:
if the installation mode of the air conditioner is judged to be changed, controlling the electromagnetic valve to act;
and if the installation mode of the air conditioner is not changed, the electromagnetic valve is controlled not to act.
It can be understood that, assuming that the electromagnetic valve is installed on the horizontal liquid inlet pipe, if the electromagnetic valve is actuated, for example, the electromagnetic valve is switched from on to off, the refrigerant flows into the indoor heat exchanger through the vertical liquid inlet pipe at this time; when the electromagnetic valve is actuated, for example, the electromagnetic valve is switched from off to on, the refrigerant flows into the indoor heat exchanger through the horizontal liquid inlet pipe.
If the electromagnetic valve is arranged on the vertical liquid inlet pipe and acts, for example, the electromagnetic valve is switched from on to off, the refrigerant flows into the indoor heat exchanger through the horizontal liquid inlet pipe at the moment; when the electromagnetic valve is actuated, for example, the electromagnetic valve is switched from off to on, the refrigerant flows into the indoor heat exchanger through the vertical liquid inlet pipe.
Preferably, the detecting the operation parameters of the air conditioner specifically includes:
and after the air conditioner stably operates, detecting the operating parameters of the air conditioner.
It should be noted that the term "stable operation of the air conditioner" means that after the air conditioner is operated for a preset time period, the frequency of the air conditioner reaches a rated power of the stable operation, for example, reaches 45 HZ. After the air conditioner operates stably, the operation parameters of the air conditioner are detected, and the detected operation parameter error can be ensured to be smaller, so that the judgment error of the controller is reduced, and the control is more accurate.
An air conditioning assembly according to an exemplary embodiment of the present invention is shown, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
detecting the operating parameters of the air conditioner;
judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so as to control the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or control the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation parameters of the air conditioner, according to the change of the operation parameters, it is determined whether the installation mode of the air conditioner is changed, so as to control the refrigerant to flow into the indoor heat exchanger through the horizontal liquid inlet pipe, or control the refrigerant to flow into the indoor heat exchanger through the vertical liquid inlet pipe, thereby ensuring that the air conditioning device can achieve the best energy efficiency no matter in horizontal installation or vertical installation, ensuring that when the installation mode is changed, the air conditioner can operate reliably, avoiding the problems of condensation and poor freezing prevention protection caused by uneven shunt of the heat exchanger, and effectively solving the problem of energy efficiency attenuation caused by uneven shunt of the heat exchanger due to the change of the installation mode.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A split flow control apparatus of an air conditioner, comprising:
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider;
the detection device is used for detecting the operating parameters of the air conditioner;
and the controller is used for judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so that the refrigerant is controlled to flow into the indoor heat exchanger through the horizontal liquid inlet pipe or the refrigerant is controlled to flow into the indoor heat exchanger through the vertical liquid inlet pipe.
2. The apparatus of claim 1, further comprising:
the electromagnetic valve is arranged on the horizontal liquid inlet pipe or the vertical liquid inlet pipe;
the electromagnetic valve is connected with the controller and used for controlling the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or controlling the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe through on-off of the electromagnetic valve.
3. The apparatus of claim 1,
the first diverter, and/or the second diverter, is a venturi diverter.
4. A flow distribution control method of an air conditioner is characterized by comprising the following steps:
detecting the operating parameters of the air conditioner;
judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so as to control the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or control the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
5. The method of claim 4, wherein the operating parameters comprise:
the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger; and/or the presence of a gas in the gas,
the air outlet temperature of the indoor heat exchanger.
6. The method of claim 5, wherein if the operating parameters include: the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger are judged whether the installation mode of the air conditioner is changed or not, and the method comprises the following steps:
calculating the temperature difference between the inlet pipe temperature and the outlet pipe temperature of the indoor heat exchanger;
and if the temperature difference is within a preset temperature difference range, judging that the installation mode of the air conditioner is not changed, otherwise, judging that the installation mode of the air conditioner is changed.
7. The method of claim 5, wherein if the operating parameters include: the air outlet temperature of the indoor heat exchanger, judge whether the mounting means of the air conditioner changes, include:
and if the air outlet temperature is higher than the preset temperature value, judging that the installation mode of the air conditioner is changed, otherwise, judging that the installation mode of the air conditioner is not changed.
8. The method according to claim 5, wherein if the horizontal liquid inlet pipe or the vertical liquid inlet pipe is provided with an electromagnetic valve, the control refrigerant flows into the indoor heat exchanger through the horizontal liquid inlet pipe or the vertical liquid inlet pipe, and specifically:
if the installation mode of the air conditioner is judged to be changed, controlling the electromagnetic valve to act;
and if the installation mode of the air conditioner is not changed, the electromagnetic valve is controlled not to act.
9. The method according to claim 5, wherein the detecting an operating parameter of the air conditioner is specifically:
and after the air conditioner stably operates, detecting the operating parameters of the air conditioner.
10. An air conditioning assembly, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
detecting the operating parameters of the air conditioner;
judging whether the installation mode of the air conditioner is changed or not according to the change condition of the operation parameters, so as to control the refrigerant to flow into the indoor heat exchanger through a horizontal liquid inlet pipe or control the refrigerant to flow into the indoor heat exchanger through a vertical liquid inlet pipe;
the horizontal liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a first flow divider;
and the vertical liquid inlet pipe is connected with an indoor heat exchanger of the air conditioner and is provided with a second flow divider.
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| CN201911250067.XA CN111043796B (en) | 2019-12-09 | 2019-12-09 | Flow distribution control device and method of air conditioner and air conditioning unit |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479555A (en) * | 1987-09-18 | 1989-03-24 | Matsushita Refrigeration | Refrigerant flow diverter |
| CN202470552U (en) * | 2012-03-05 | 2012-10-03 | 珠海格力电器股份有限公司 | Shunting device and air conditioner comprising same |
| CN205505513U (en) * | 2016-03-29 | 2016-08-24 | 三菱重工海尔(青岛)空调机有限公司 | Loop system of condenser |
| CN106440568A (en) * | 2016-12-08 | 2017-02-22 | 海信（山东）空调有限公司 | Circulating system throttling element matching device |
| CN107449185A (en) * | 2017-07-20 | 2017-12-08 | 珠海格力电器股份有限公司 | Diverter assembly and its installation method |
| CN207688475U (en) * | 2017-11-28 | 2018-08-03 | 珠海格力电器股份有限公司 | Dispenser and air conditioner |
| CN209484888U (en) * | 2018-10-26 | 2019-10-11 | 奥克斯空调股份有限公司 | A kind of the shunting road arragement construction and air conditioner of evaporator |
| CN209655635U (en) * | 2018-12-21 | 2019-11-19 | 四川天喜车用空调股份有限公司 | A kind of liquid separation tube assembly |
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2019
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| JPS6479555A (en) * | 1987-09-18 | 1989-03-24 | Matsushita Refrigeration | Refrigerant flow diverter |
| CN202470552U (en) * | 2012-03-05 | 2012-10-03 | 珠海格力电器股份有限公司 | Shunting device and air conditioner comprising same |
| CN205505513U (en) * | 2016-03-29 | 2016-08-24 | 三菱重工海尔(青岛)空调机有限公司 | Loop system of condenser |
| CN106440568A (en) * | 2016-12-08 | 2017-02-22 | 海信（山东）空调有限公司 | Circulating system throttling element matching device |
| CN107449185A (en) * | 2017-07-20 | 2017-12-08 | 珠海格力电器股份有限公司 | Diverter assembly and its installation method |
| CN207688475U (en) * | 2017-11-28 | 2018-08-03 | 珠海格力电器股份有限公司 | Dispenser and air conditioner |
| CN209484888U (en) * | 2018-10-26 | 2019-10-11 | 奥克斯空调股份有限公司 | A kind of the shunting road arragement construction and air conditioner of evaporator |
| CN209655635U (en) * | 2018-12-21 | 2019-11-19 | 四川天喜车用空调股份有限公司 | A kind of liquid separation tube assembly |
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|---|---|
| CN111043796B (en) | 2020-11-13 |
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