CN111397180A - Low-power-consumption multi-split air conditioning unit control method and device and air conditioning unit - Google Patents
Low-power-consumption multi-split air conditioning unit control method and device and air conditioning unit Download PDFInfo
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- CN111397180A CN111397180A CN202010256551.XA CN202010256551A CN111397180A CN 111397180 A CN111397180 A CN 111397180A CN 202010256551 A CN202010256551 A CN 202010256551A CN 111397180 A CN111397180 A CN 111397180A
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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
- F24F11/89—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
- 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
- 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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
Abstract
The invention discloses a low-power consumption multi-connected air conditioning unit and a method and a device for controlling the multi-connected air conditioning unit, wherein the method comprises the following steps: monitoring whether a shutdown instruction of the internal machine is received; if yes, sending a low power consumption instruction to the external machine, and controlling the external machine to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the internal machines, and controlling the internal machines to enter the low power consumption mode. The invention solves the problem of high standby power consumption of multi-split air conditioners in the prior art, can realize low-power standby of one-split air conditioners, and achieves the beneficial effects of energy saving and consumption reduction.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a low-power-consumption multi-connected unit control method and device and an air conditioning unit.
Background
The high energy consumption of the air conditioner is always a troublesome problem for users, because the air conditioner consumes energy when running and consumes power even in a standby state without running, the standby power of the traditional unit is at least 10w per set, the annual power consumption reaches 70kw.h, and the power consumption of one set of unit is higher. However, with the improvement of living standard, more and more places are provided with air conditioners to improve the comfort of work and life, and for single large-space occasions (such as small supermarkets, clothing stores, fast restaurants and the like), a plurality of air conditioners which are one for one are mounted on the market to meet the requirements at present. Such places generally can open and close the air conditioner simultaneously, if a scheme that a plurality of air conditioners are dragged by one is adopted, centralized control cannot be realized, more space is needed for installing the air conditioner by the external unit, and the comfort is poor. Some projects can adopt a multi-split scheme, however, the multi-split scheme is higher in installation cost, and can realize simultaneous start and stop by external equipment, and the standby power consumption is higher.
Aiming at the problem of high standby power consumption of multi-online equipment in the related technology, no effective solution is provided at present.
Disclosure of Invention
The invention provides a low-power-consumption multi-split air conditioning unit and a method and a device for controlling the multi-split air conditioning unit, and at least solves the problem that the standby power consumption of the multi-split air conditioning unit is high in the prior art.
In order to solve the above technical problem, according to an aspect of an embodiment of the present invention, there is provided a multi-split air conditioner control method, including: the system comprises an external machine, a plurality of internal machines and a controller connected with the external machine and the internal machines; the method comprises the following steps: monitoring whether a shutdown instruction of the internal machine is received; if yes, sending a low power consumption instruction to the external machine, and controlling the external machine to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the internal machines, and controlling the internal machines to enter the low power consumption mode.
Further, controlling the external unit to enter the low power consumption mode includes: after receiving the low power consumption instruction, controlling to turn off the load and the compressor; after the compressor stops running for a first preset time, a communication line of an external machine is switched on, and a bus switch is switched off; and sending a signal for indicating that the outdoor unit enters low power consumption to the controller.
Further, controlling the shutdown load and the compressor includes: controlling the compressor to perform frequency reduction treatment and controlling the load to be turned off; and after the load is switched off, controlling the compressor to stop running.
Further, after sending the signal for indicating that the outdoor unit enters the low power consumption state to the controller, the method further includes: monitoring whether a communication signal of an internal machine is received; and if the communication signal of the internal unit is not received within the second preset time, disconnecting the communication line of the external unit.
Further, controlling the plurality of internal machines to enter the low power consumption mode includes: disconnecting a communication circuit between the controller and the internal machine; the power supply of the inner machine is cut off, so that the main board of the inner machine is powered off, and the indicator lamp is turned off; and controlling a wire controller connected with the internal machine to enter a standby mode.
Further, the method further comprises: after the internal machine is started, the controller is powered through a communication circuit between the controller and the internal machine; after the controller is powered on, the controller communicates with an external machine and supplies power; after the charging capacitor of the external unit on the mainboard is charged, the bus switch is closed.
Furthermore, each internal machine is connected with one wire controller, and each wire controller synchronously displays the same instruction to realize the simultaneous start and stop of the internal machines.
According to another aspect of embodiments of the present invention, there is provided a multi-split air conditioner including: the system comprises an external machine, a plurality of internal machines and a controller connected with the external machine and the internal machines; the device comprises: the monitoring module is used for monitoring whether a shutdown instruction of the internal machine is received; the external machine control module is used for sending a low-power-consumption instruction to the external machine and controlling the external machine to enter a low-power-consumption mode if the external machine control module is used for sending the low-power-consumption instruction to the external machine; and the internal machine control module is used for sending low-power-consumption instructions to the internal machines after the external machines enter the low-power-consumption mode and controlling the internal machines to enter the low-power-consumption mode.
According to another aspect of the embodiment of the invention, an air conditioning unit is provided, which comprises the multi-connected control device.
According to yet another aspect of embodiments of the present invention, there is provided a storage medium containing computer-executable instructions for performing the method of multiple online control as described above when executed by a computer processor.
The invention provides a control scheme of low power consumption of a multi-split unit, which is characterized in that after a shutdown instruction of an internal unit is monitored, a low power consumption instruction is sent to the external unit to control the external unit to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the plurality of internal machines, and controlling the plurality of internal machines to enter the low power consumption mode. By the scheme, the problems that the power consumption of the existing unit in the standby state is high and the low power consumption and high cost are realized at present are effectively solved, and the low-power-consumption standby of one-driven-multiple units can be realized, so that the energy is saved and the consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of an alternative structure of a multi-split air conditioner according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an alternative structure of a multi-split air conditioner according to an embodiment of the invention;
FIG. 3 is a schematic diagram of an alternative configuration of a controller of a multi-split air conditioner according to an embodiment of the invention;
FIG. 4 is an alternative flow chart of a method of multiple online control according to an embodiment of the invention; and
fig. 5 is an alternative block diagram of a multi-connected machine control device according to an embodiment of the invention.
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.
Example 1
Fig. 1 shows an alternative configuration diagram of the multi-split air conditioner, and as shown in fig. 1, the multi-split air conditioner includes: the system comprises an external machine, a plurality of internal machines and a controller connected with the external machine and the internal machines; the internal machine in fig. 1 is also connected with a control terminal, the control terminal can be a wire controller, when the internal machine is connected with the wire controller, the wire controller synchronously displays the same command, the operation set by the user of the same start and stop of the machine set is realized, and the wire controller synchronously displays the consistent content. The control terminal may also be a remote control, as shown in fig. 2.
Wherein, this controller includes: the device comprises an external machine interface, a control chip, an internal machine interface 1, an internal machine interface 2, internal machine interfaces 3 and … … and an internal machine interface N. The interface of the outer machine is connected with the communication interface of the outer machine, the interface of the inner machine is connected with the communication interface of the inner machine, and each communication circuit is controlled to be on or off through a relay. The control chip is responsible for the calculation and the conversion of the communication data of the internal machine and the external machine and is matched with the triode to realize the function of one-drive-more low power consumption. The connection between each interface of the controller and the internal and external units is schematically shown in fig. 3.
In the preferred embodiment 1 of the present invention, a multi-split control method is provided, and the control method can be directly applied to the multi-split air conditioner. The method can also be applied to other devices with multi-online functions, and in the specific implementation, the method can be implemented by installing software, APP (application) or writing corresponding programs of controllers of the multi-online or other devices. In particular, fig. 4 shows an alternative flow chart of the method, which, as shown in fig. 4, comprises the following steps S402-S406:
s402: monitoring whether a shutdown instruction of the internal machine is received;
s404: if yes, sending a low power consumption instruction to the external machine, and controlling the external machine to enter a low power consumption mode;
s406: and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the internal machines, and controlling the internal machines to enter the low power consumption mode.
In the above embodiment, a control scheme of low power consumption of a multi-split unit is provided, where after a shutdown instruction of an internal unit is monitored, a low power consumption instruction is sent to the external unit, and the external unit is controlled to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the plurality of internal machines, and controlling the plurality of internal machines to enter the low power consumption mode. By the scheme, the problems that the power consumption of the existing unit in the standby state is high and the low power consumption and high cost are realized at present are effectively solved, and the low-power-consumption standby of one-driven-multiple units can be realized, so that the energy is saved and the consumption is reduced.
The control method for simultaneous start and stop comprises the following steps: when a certain indoor unit receives a control command of a wire controller or a remote controller, the indoor unit control module sends the command to the multi-split controller, the multi-split controller sends the command of a user to the outdoor unit and other indoor units, and the indoor unit and the outdoor unit execute related low-power-consumption operation.
Wherein, controlling the outer unit to enter the low power consumption mode includes: after receiving the low power consumption instruction, controlling to turn off the load and the compressor; after the compressor stops running for a first preset time, a communication line of an external machine is switched on, and a bus switch is switched off; and sending a signal for indicating that the outdoor unit enters low power consumption to the controller. For controlling the shut-down load and the compressor, the preferred way is as follows: controlling the compressor to perform frequency reduction treatment and controlling the load to be turned off; and after the load is switched off, controlling the compressor to stop running. The main electric equipment of the external unit is turned off through the above steps, but in order to realize ultra-low power consumption, the electric equipment in a standby state, such as a communication unit, needs to be considered, and therefore, after sending a signal for representing that the external unit enters low power consumption to the controller, the method further includes: monitoring whether a communication signal of an internal machine is received; and if the communication signal of the internal unit is not received within the second preset time, disconnecting the communication line of the external unit.
On the other hand, controlling the plurality of internal machines to enter the low power consumption mode includes: disconnecting a communication circuit between the controller and the internal machine; the power supply of the inner machine is cut off, so that the main board of the inner machine is powered off, and the indicator lamp is turned off; and controlling a wire controller connected with the internal machine to enter a standby mode. The internal machines are all other internal machines except the internal machines receiving the shutdown instruction, the internal machines receiving the shutdown instruction can execute shutdown operation when receiving the shutdown instruction, and other internal machines not directly receiving the shutdown instruction enter a low-power-consumption operation mode according to the low-power-consumption instruction of the controller.
In an optional implementation manner of the present invention, after one of the internal machines receives the shutdown command, the shutdown command is sent to the multi-split controller, and the multi-split controller sends the shutdown command to the external machine and the other internal machines. The frequency reduction treatment is realized by the outer machine, after the outer machine stops the compressor for four minutes after all loads are turned off, the outer machine controls a triode on a module communication circuit to be conducted, a bus triode is disconnected after 2 seconds, then the outer machine sends a low power consumption mark to a multi-split controller, the multi-split controller disconnects a signal triode transmitted to the inner machine for communication, and the triode of the communication circuit is disconnected after the outer machine communication circuit does not detect a signal fed back by the inner machine for 10 seconds. Therefore, the external machine mainboard and the one-drive-many controller are powered off, the internal machine mainboard and the wire controller enter a standby state, and the power consumption is extremely low.
In addition, after the internal machine is started, the controller is powered through a communication circuit between the controller and the internal machine; after the controller is powered on, the controller communicates with an external machine and supplies power; after the charging capacitor of the external unit on the mainboard is charged, the bus switch is closed. Optionally, after the mobile terminal is started, the internal unit which receives the command is started, and meanwhile, the starting command is sent to the multi-split controller, and the external unit and the multi-split controller at the moment get power from the internal unit through the communication interface, so that the external unit is awakened. After the outer machine communication circuit receives a starting command, the triode controlled by the chip is conducted with the main circuit, the triode of the communication power supply circuit is disconnected, the autonomous power supply of the outer machine mainboard is completed, and the outer machine communication and power supply are achieved. Optionally, the triode can be replaced by a relay.
As shown in fig. 1, each internal machine is connected with one wire controller, and each wire controller synchronously displays the same instruction to realize the simultaneous start and stop of the internal machines. When the internal machines are connected with the wire controllers, the wire controllers synchronously display the same command, the operation set by the user such as the on and off of the machine set is realized, and the wire controllers synchronously display the consistent content.
By the mode, when one internal machine receives a shutdown instruction, the shutdown of the external machine and other internal machines is realized through the controller, the low-power-consumption mode is entered, the energy consumption is reduced, and the problems of simultaneous start and stop installation and high management cost of the existing unit are solved.
Example 2
Based on the multi-split control method provided in the foregoing embodiment 1, in a preferred embodiment 2 of the present invention, there is further provided a multi-split control apparatus, and specifically, fig. 5 shows an alternative structural block diagram of the apparatus, and as shown in fig. 5, the apparatus includes:
a monitoring module 502, configured to monitor whether a shutdown instruction of an internal machine is received;
the external machine control module 504 is connected with the monitoring module 502 and is used for sending a low power consumption instruction to the external machine and controlling the external machine to enter a low power consumption mode if the external machine control module is connected with the monitoring module 502;
and the internal machine control module 506 is connected with the external machine control module 504, and is configured to send a low power consumption instruction to the multiple internal machines after the external machine enters the low power consumption mode, and control the multiple internal machines to enter the low power consumption mode.
In the above embodiment, a control scheme of low power consumption of a multi-split unit is provided, where after a shutdown instruction of an internal unit is monitored, a low power consumption instruction is sent to the external unit, and the external unit is controlled to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the plurality of internal machines, and controlling the plurality of internal machines to enter the low power consumption mode. By the scheme, the problems that the power consumption of the existing unit in the standby state is high and the low power consumption and high cost are realized at present are effectively solved, and the low-power-consumption standby of one-driven-multiple units can be realized, so that the energy is saved and the consumption is reduced.
Further, the outdoor unit control module 504 includes: the first turn-off unit is used for controlling the turn-off of the load and the compressor after receiving the low power consumption instruction; the second turn-off unit is used for turning on a communication line of the external unit and disconnecting the bus switch after the compressor stops running for a first preset time; and the sending unit is used for sending a signal for representing that the outdoor unit enters low power consumption to the controller.
Wherein the first turn-off unit includes: the load turn-off subunit is used for controlling the compressor to perform frequency reduction treatment and controlling the turn-off load; and the compressor turn-off subunit is used for controlling the compressor to stop running after the load is turned off.
Preferably, the outdoor unit control module 504 further includes: the monitoring unit is used for monitoring whether a communication signal of the internal machine is received or not after a signal for representing that the external machine enters low power consumption is sent to the controller; and the third switching-off unit is used for switching off the communication line of the outer machine if the communication signal of the inner machine is not received within the second preset time.
Optionally, the indoor unit control module 506 includes: the fourth turn-off unit is used for disconnecting the communication circuit between the controller and the internal machine; the fifth turn-off unit is used for turning off the power supply of the inner machine, so that the mainboard of the inner machine is powered off, and the indicator lamp is turned off; and the standby control unit is used for controlling the wire controller connected with the internal machine to enter a standby mode.
Further, the device also comprises: the first power supply module is used for supplying power to the controller through a communication circuit between the controller and the internal machine after the internal machine is started; the second power supply module is used for communicating with the external machine and supplying power after supplying power to the controller; after the charging capacitor of the external unit on the mainboard is charged, the bus switch is closed.
In the above embodiment, each internal machine is connected to one line controller, and each line controller synchronously displays the same instruction, so that the internal machines can be started and stopped simultaneously.
With regard to the apparatus in the above embodiments, the specific manner in which each unit and each module performs operations has been described in detail in the embodiments related to the method, and will not be described in detail herein.
Example 3
Based on the multiple on-line control device provided in the above embodiment 2, in a preferred embodiment 3 of the present invention, there is also provided an air conditioning unit including the multiple on-line control device as described above.
In the above embodiment, a control scheme of low power consumption of a multi-split unit is provided, where after a shutdown instruction of an internal unit is monitored, a low power consumption instruction is sent to the external unit, and the external unit is controlled to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the plurality of internal machines, and controlling the plurality of internal machines to enter the low power consumption mode. By the scheme, the problems that the power consumption of the existing unit in the standby state is high and the low power consumption and high cost are realized at present are effectively solved, and the low-power-consumption standby of one-driven-multiple units can be realized, so that the energy is saved and the consumption is reduced.
Example 4
Based on the multi-online control method provided in the above embodiment 1, in a preferred embodiment 4 of the present invention, there is also provided a storage medium containing computer-executable instructions for executing the multi-online control method as described above when executed by a computer processor.
In the above embodiment, a control scheme of low power consumption of a multi-split unit is provided, where after a shutdown instruction of an internal unit is monitored, a low power consumption instruction is sent to the external unit, and the external unit is controlled to enter a low power consumption mode; and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the plurality of internal machines, and controlling the plurality of internal machines to enter the low power consumption mode. By the scheme, the problems that the power consumption of the existing unit in the standby state is high and the low power consumption and high cost are realized at present are effectively solved, and the low-power-consumption standby of one-driven-multiple units can be realized, so that the energy is saved and the consumption is reduced.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A multi-split air conditioner control method, characterized in that the multi-split air conditioner comprises: the system comprises an external machine, a plurality of internal machines and a controller connected with the external machine and the internal machines; the method comprises the following steps:
monitoring whether a shutdown instruction of the internal machine is received;
if so, sending a low power consumption instruction to the external unit, and controlling the external unit to enter a low power consumption mode;
and after the external machine enters the low power consumption mode, sending a low power consumption instruction to the internal machines, and controlling the internal machines to enter the low power consumption mode.
2. The method of claim 1, wherein controlling the external unit to enter the low power consumption mode comprises:
after receiving the low power consumption instruction, controlling to turn off a load and a compressor;
after the compressor stops running for a first preset time, switching on a communication line of the outdoor unit and disconnecting a bus switch;
and sending a signal for representing that the outdoor unit enters low power consumption to the controller.
3. The method of claim 2, wherein controlling the shutdown load and the compressor comprises:
controlling the compressor to perform frequency reduction treatment and controlling the load to be switched off;
and after the load is switched off, controlling the compressor to stop running.
4. The method of claim 2, wherein after sending the signal to the controller indicating that the outdoor unit is entering low power consumption, further comprising:
monitoring whether a communication signal of the internal machine is received;
and if the communication signal of the internal unit is not received within a second preset time, disconnecting the communication line of the external unit.
5. The method of claim 1, wherein controlling the plurality of internal machines to enter a low power consumption mode comprises:
disconnecting a communication circuit between the controller and the internal machine;
disconnecting the power supply of the inner machine to power off the inner machine mainboard, and turning off the indicator light;
and controlling a wire controller connected with the internal machine to enter a standby mode.
6. The method of claim 1, further comprising:
after the internal machine is started, the controller is powered through a communication circuit between the controller and the internal machine;
after the controller is powered on, communicating with the outdoor unit and supplying power; and after the charging capacitor of the external machine on the mainboard is charged, the bus switch is closed.
7. The method according to claim 5, wherein each of the indoor units is connected to a line controller, and each of the line controllers synchronously displays the same instruction to realize the simultaneous start and stop of the indoor units.
8. A multiple split air conditioner control device, characterized in that the multiple split air conditioner comprises: the system comprises an external machine, a plurality of internal machines and a controller connected with the external machine and the internal machines; the device comprises:
the monitoring module is used for monitoring whether a shutdown instruction of the internal machine is received;
the external machine control module is used for sending a low power consumption instruction to the external machine and controlling the external machine to enter a low power consumption mode if the external machine control module is in the low power consumption mode;
and the internal machine control module is used for sending low-power-consumption instructions to the internal machines after the external machine enters the low-power-consumption mode and controlling the internal machines to enter the low-power-consumption mode.
9. An air conditioning unit characterized by comprising the multiple on-line control apparatus according to claim 8.
10. A storage medium containing computer-executable instructions for performing the method of multi-gang control as claimed in any one of claims 1 to 7 when executed by a computer processor.
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| CN113465109A (en) * | 2021-06-29 | 2021-10-01 | 青岛海尔空调电子有限公司 | Low-energy-consumption standby control method, device and medium of multi-split air conditioner |
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| CN108224707A (en) * | 2017-11-29 | 2018-06-29 | 珠海格力电器股份有限公司 | The air-conditioning internal-external machine means of communication, device and air-conditioning |
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