CN111076370B - Standby control device, air conditioner and stand-by control method thereof - Google Patents
Standby control device, air conditioner and stand-by control method thereof Download PDFInfo
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- CN111076370B CN111076370B CN201911248150.3A CN201911248150A CN111076370B CN 111076370 B CN111076370 B CN 111076370B CN 201911248150 A CN201911248150 A CN 201911248150A CN 111076370 B CN111076370 B CN 111076370B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000002618 waking effect Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005485 electric heating Methods 0.000 description 22
- 238000004891 communication Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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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
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a standby control device, an air conditioner and a standby control method thereof, wherein the device comprises the following components: the acquisition unit and the control unit; the collecting unit is used for collecting the outdoor environment temperature of the environment where the air conditioner is located; the control unit is used for determining the relation between the collected outdoor environment temperature and the set temperature range under the condition that the air conditioner receives a shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range. The scheme of the invention can solve the problem that the working reliability of the air conditioning system can be damaged by a low-power consumption mode of supplying power to the external machine through the internal machine when the external machine is in a severe working condition, and achieves the effect of improving the working reliability of the air conditioning system.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a standby control device, an air conditioner and a standby control method thereof, in particular to a low-power-consumption standby control device, an air conditioner and a standby control method thereof.
Background
Some low-power standby circuits generally cut off the power supply of the external machine main board during standby so as to reduce the standby power consumption of the external machine to zero; when the mobile phone is normally started, the internal phone supplies power to the external phone switching power supply through the communication line, the main chip is used for sucking the power supply relay of the external phone after working, then the internal phone cuts off the wake-up power supply, and the whole phone is normally started after communication is established.
When the external machine is in a severe working condition, the low power consumption mode can damage the stability and the reliability of the system, especially in the external machine with a chassis electric heating belt and a compressor electric heating belt.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention aims to overcome the defects, and provides a standby control device, an air conditioner and a standby control method thereof, so as to solve the problem that the working reliability of an air conditioning system is damaged by a low-power consumption mode of supplying power to an external machine through an internal machine when the external machine is in a severe working condition, and achieve the effect of improving the working reliability of the air conditioning system.
The invention provides a standby control device, comprising: the acquisition unit and the control unit; the collecting unit is used for collecting the outdoor environment temperature of the environment where the air conditioner is located; the control unit is used for determining the relation between the collected outdoor environment temperature and the set temperature range under the condition that the air conditioner receives a shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range.
Optionally, the control unit includes: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch; the outdoor unit comprises a first power supply branch circuit, a second power supply branch circuit and a control module, wherein the first power supply branch circuit is used for controlling the connection or disconnection between a live wire of an alternating current power supply and the control module of the outdoor unit in a first control mode; the second power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a second control mode; wherein, under the condition that the switching power supply in the outdoor unit controller module is powered on, the first control mode is: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected; the second control mode is as follows: and under the condition that the voltage of the direct current bus of the power supply source of the air conditioner reaches the set voltage, controlling the second power supply branch of the outdoor unit to be connected.
Optionally, a first outdoor control switch and a temperature acquisition module are arranged on a first power supply branch of the outdoor unit, and the temperature acquisition module can be used for acquiring the outdoor environment temperature of the environment where the air conditioner is located; a second outdoor control switch is arranged on the second power supply branch of the outdoor unit.
Optionally, in the case that the control unit includes, the control unit performs standby control on an outdoor unit of the air conditioner, including: if the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected; if the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on; if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on.
Optionally, the method further comprises: the control unit is also used for controlling the indoor unit of the air conditioner to send a wake-up signal for waking up the outdoor unit of the air conditioner and controlling the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit under the condition that the air conditioner receives a start-up instruction; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
Optionally, the control unit further includes: an indoor unit controller module and an indoor unit power supply branch; the indoor unit power supply branch is used for controlling connection or disconnection between a live wire of an alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner; the control unit controls the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit, and the control unit comprises: the indoor unit controller module sends out a wake-up signal and simultaneously controls the power supply branch of the indoor unit to be connected; the control unit controls the indoor unit to disconnect a charging path for charging a switching power supply in an outdoor unit controller module of the outdoor unit, and the control unit comprises: and under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected.
Optionally, an indoor control switch is disposed on the indoor unit power supply branch.
In accordance with another aspect of the present invention, there is provided an air conditioner including: the standby control device described above.
In accordance with another aspect of the present invention, in response to the above-described air conditioner, a standby control method of an air conditioner is provided, including: the outdoor environment temperature of the environment where the air conditioner is located is collected through the collecting unit; determining the relation between the collected outdoor environment temperature and the set temperature range through a control unit under the condition that the air conditioner receives a shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range.
Optionally, the control unit includes: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch; the outdoor unit comprises a first power supply branch circuit, a second power supply branch circuit and a control module, wherein the first power supply branch circuit is used for controlling the connection or disconnection between a live wire of an alternating current power supply and the control module of the outdoor unit in a first control mode; the second power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a second control mode; wherein, under the condition that the switching power supply in the outdoor unit controller module is powered on, the first control mode is: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected; the second control mode is as follows: and under the condition that the voltage of the direct current bus of the power supply source of the air conditioner reaches the set voltage, controlling the second power supply branch of the outdoor unit to be connected.
Optionally, in the case that the control unit includes, the control unit performs standby control on an outdoor unit of the air conditioner, including: if the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected; if the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on; if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on.
Optionally, the method further comprises: the control unit is used for controlling the indoor unit of the air conditioner to send a wake-up signal for waking up the outdoor unit of the air conditioner under the condition that the air conditioner receives a start-up instruction, and controlling the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
Optionally, the control unit further includes: an indoor unit controller module and an indoor unit power supply branch; the indoor unit power supply branch is used for controlling connection or disconnection between a live wire of an alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner; the control unit controls the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit, and the control unit comprises: the indoor unit controller module sends out a wake-up signal and simultaneously controls the power supply branch of the indoor unit to be connected; the control unit controls the indoor unit to disconnect a charging path for charging a switching power supply in an outdoor unit controller module of the outdoor unit, and the control unit comprises: and under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected.
According to the scheme of the invention, the control logic of the air conditioner is adjusted according to different external environments, so that the standby power can be dynamically reduced under the condition of ensuring the standby reliability of the air conditioner, and the dynamic energy saving is realized under the condition of ensuring the working reliability of an air conditioning system.
Further, according to the scheme, the low-power consumption standby mode is changed according to the external environment temperature; therefore, the reliability of low-power consumption standby of the air conditioner under severe working conditions is improved and dynamic energy conservation is realized under the condition that the hardware cost is not required to be increased.
Further, according to the scheme of the invention, when the air conditioner is in the low-power consumption standby state, the external environment temperature is judged, and the operation of the air conditioner system is determined by the external environment temperature, so that the reliability of the system starting operation is protected under the condition of meeting the low-power consumption standby state, and the dynamic energy saving under the condition of ensuring the system reliability is realized.
Therefore, according to the scheme of the invention, the low-power consumption control logic of the air conditioner is adjusted according to different external environments, so that the problem that the working reliability of an air conditioning system can be damaged by a low-power consumption mode of supplying power to the external machine through the internal machine when the external machine is in a severe working condition is solved, and the effect of improving the working reliability of the air conditioning system is achieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a standby control device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a low power control logic of an air conditioner according to an embodiment of the present invention;
fig. 3 is a circuit block diagram of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is a circuit block diagram of an outdoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 5 is a timing diagram of relay control for an embodiment of the air conditioner of the present invention;
fig. 6 is a flowchart of a standby control method according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the 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.
According to an embodiment of the present invention, there is provided a standby control apparatus. Referring to fig. 1, a schematic diagram of an embodiment of the apparatus of the present invention is shown. The standby control apparatus may include: and the acquisition unit and the control unit. For example: the collecting unit may be a temperature sensor provided at the outdoor unit.
Specifically, the collecting unit can be arranged at an outdoor unit of the air conditioner and can be used for collecting the outdoor environment temperature of the environment where the air conditioner is located.
Specifically, the control unit can be used for determining the relation between the collected outdoor environment temperature and the set temperature range under the condition that the air conditioner receives a shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range, so as to realize low-power consumption standby control under the condition of ensuring the reliability of the outdoor unit of the air conditioner.
For example: the control logic of the air conditioner is adjusted according to different external environments, so that the reliability of the air conditioner under the standby condition is further improved, and the standby power is dynamically reduced. If the air conditioner is in a low-power consumption standby state, judging the external environment temperature, and determining how the air conditioning system operates according to the external environment temperature; and the reliability of the system starting operation is also protected under the condition of meeting the low-power consumption standby. In this way, the influence of the ambient temperature on the external unit of the air conditioner is fully considered, and the low-power consumption standby mode is changed according to the ambient temperature; under the condition that the hardware cost is not required to be increased, the reliability of low-power consumption standby of the air conditioner under severe working conditions is improved.
Therefore, under the condition that the air conditioner receives a shutdown instruction, the outdoor unit of the air conditioner is subjected to standby control according to the acquired relationship between the outdoor environment temperature and the set temperature range, so that the low-power consumption standby control is realized under the condition that the reliability of the outdoor unit of the air conditioner is ensured, the running reliability of the air conditioner is ensured, and the low-power consumption control is dynamically realized.
In an alternative example, the control unit may include: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch.
Specifically, the first power supply branch of the outdoor unit is arranged between the live wire of the alternating current power supply and the outdoor unit controller module and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the outdoor unit controller module according to a first control mode.
Specifically, the second power supply branch of the outdoor unit is also arranged between the live wire of the alternating current power supply and the outdoor unit controller module, namely connected in parallel with the first power supply branch of the outdoor unit, and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the outdoor unit control module according to a second control mode. The first control method and the second control method may be preset control methods or may be implemented under the control of the outdoor unit controller module.
Wherein, the outdoor unit controller module can be provided with a switching power supply and an outdoor unit controller. In the case that the switching power supply in the outdoor unit controller module is powered on, the first control manner may be: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected; the second control mode may be: and under the condition that the voltage of the direct current bus of the power supply source of the air conditioner reaches the set voltage, controlling the second power supply branch of the outdoor unit to be connected.
For example: when the external machine switch power supply is powered on, the external machine relay K is turned on 2 After the voltage of the direct current bus reaches a certain voltage, the relay K is conducted 3 Re-cut relay K 2 . Because K is directly conducted after the switching power supply is powered on 3 The impact current is overlarge, so that the switching power supply is damaged; and the relay K is turned on first 2 Due to R PTC The resistance buffer function, after being stabilized, is conducted again by K 3 Not only protecting the switching power supply but also avoiding R PTC Resistance versus power loss.
Therefore, the first power supply branch of the outdoor unit is matched with the second power supply branch of the outdoor unit, the first power supply branch of the outdoor unit is controlled to be connected under the condition that a switching power supply in a controller module of the outdoor unit is at a certain point, the second power supply branch of the outdoor unit is controlled to be connected after the voltage of a direct current bus is stabilized, and then the first power supply branch of the outdoor unit is controlled to be disconnected, so that the charging safety of the outdoor unit and the low-power consumption standby reliability are ensured.
Optionally, a first outdoor control switch and a temperature acquisition module may be disposed on the first power supply branch of the outdoor unit, where the temperature acquisition module may be used to acquire an outdoor ambient temperature of an environment where the air conditioner is located. For example: the first outdoor control switch can be a relay K 2 . The temperature acquisition module can be a thermistor R PTC 。
In addition, a second outdoor control switch may be provided on the second power supply path of the outdoor unit. For example: a second outdoor control switch which can be a relay K 3 . The relay acts as a switch to cut off the power supply of the controller.
Therefore, reliable charging can be realized by arranging the first outdoor control switch and the temperature acquisition module on the first power supply branch of the outdoor unit; the second outdoor control switch is arranged on the second power supply branch of the outdoor unit, so that low-power consumption control can be realized after charging is stable, and the charging control is reliable and safe.
Alternatively, in case the control unit may be included, the control unit performs standby control on the outdoor unit of the air conditioner, and may include the following three control cases.
First control scenario: if the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is Ambient temperature >T 1 When the external machine receives a shutdown instruction for N minutes, the relay K is cut off 3 . Due to the external environment temperature T at this time Ambient temperature Greater than T 1 Indicating at this timeThe working condition is not bad, the external machine does not need to start the chassis electric heating belt and the compressor electric heating belt, so the relay K is directly cut off 3 Has no influence on the external machine.
Second control scenario: if the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is 2 <T Ambient temperature <＝T 1 When the external machine receives a shutdown instruction for N minutes, the external machine is used for a relay K 3 No treatment is performed. At the moment, the external environment temperature interval is at T 2 T and T 1 In the middle, the external machine can be required to turn on the chassis electric heating belt and the compressor electric heating belt, so that the relay K is not turned on at the moment 3 And (5) processing.
Third control scenario: if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is Ambient temperature <＝T 2 When the external machine receives a shutdown instruction for N minutes, the relay K is not cut off 3 . At this time T Ambient temperature <＝T 2 Indicating that under severe working conditions, if K is disconnected 3 The outdoor unit of the air conditioner can not be started when the chassis electric heating belt and the compressor electric heating belt are required to be started, so that the chassis is frozen, the outdoor unit is frozen and refrigerants in the compressor are liquefied, when the outdoor unit is started again, the outdoor unit can be locked up or the system is overloaded, the frequency of the compressor can not run to the set frequency, the air conditioner can not be started normally, and the service life of the outdoor unit of the air conditioner is shortened seriously.
Therefore, under the condition that the air conditioner receives a shutdown instruction, the connection or disconnection of the outdoor first power supply branch circuit and the outdoor second power supply branch circuit is controlled by combining the relation between the outdoor environment temperature and the set temperature range, so that the reliability and the safety of the outdoor unit can be ensured, and the standby energy-saving control with low power consumption can be dynamically realized.
In an alternative embodiment, the method may further include: the control unit is also used for controlling the indoor unit of the air conditioner to send a wake-up signal which can be used for waking up the outdoor unit of the air conditioner under the condition that the air conditioner receives a start-up instruction, and controlling the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
Therefore, the indoor unit is utilized to wake up the outdoor unit and charge the switching power supply in the outdoor unit controller module, so that the power consumption can be saved, and the energy conservation is facilitated.
In an alternative example, the control unit may further include: an indoor unit controller module and an indoor unit power supply branch. For example: in the indoor unit control module, an indoor unit controller and a switching power supply may be provided.
The indoor unit power supply branch is arranged between a communication wire of the indoor unit controller module of the air conditioner and a live wire of the alternating current power supply, and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner so as to control the connection or disconnection of a power supply channel for supplying power to the communication wire of the indoor unit controller module through the live wire of the alternating current power supply.
Optionally, the controlling unit controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit may include: and sending a wake-up signal through the indoor unit controller module, and simultaneously controlling the power supply branch of the indoor unit to be connected so as to charge a switching power supply in the outdoor unit controller module of the outdoor unit.
Optionally, the controlling unit may control the indoor unit to disconnect a charging path for charging the switching power supply in the outdoor unit controller module of the outdoor unit, and may include: under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected, so that the indoor unit controller module and the outdoor unit controller module are ensured to normally communicate through a communication line.
For example: when the air conditioner receives a starting instruction, the inner machine sends out a wake-up signal, and simultaneously the inner machine conducts the inner machine relay K 1 The communication line is powered up to charge the external machine switching power supply; after the main chip of the external machine is electrified, the relay K of the internal machine is disconnected 1 Thereby ensuring the normal subsequent communication.
Therefore, the indoor unit power supply branch is arranged between the live wire of the alternating-current power supply and the indoor unit controller module, and the switching power supply in the outdoor unit controller module can be charged by controlling the indoor unit power supply branch, so that the structure is simple, and the power consumption is saved.
More optionally, an indoor control switch is disposed on the indoor unit power supply branch. For example: the relay of the indoor unit can be a relay K 1 。
Therefore, the indoor control switch is arranged on the indoor unit power supply branch, so that the structure is simple, and the control mode is simple, convenient and reliable.
Through a large number of experiments, the technical scheme of the invention can dynamically reduce the standby power under the condition of ensuring the standby reliability of the air conditioner by adjusting the control logic of the air conditioner according to different external environments, thereby realizing dynamic energy conservation under the condition of ensuring the working reliability of an air conditioning system.
According to an embodiment of the present invention, there is also provided an air conditioner corresponding to the standby control device. The air conditioner may include: the standby control device described above.
The low-power consumption control circuits of some air conditioners can comprise an indoor unit circuit and an outdoor unit circuit, wherein the indoor unit circuit can comprise an indoor unit controller, a first bidirectional relay and a first communication module, and the indoor unit controller is connected with an indoor unit controller power supply; the outdoor unit circuit may include an outdoor unit controller, a second bi-directional relay, and a second communication module. The indoor unit circuit and the outdoor unit circuit adopt independent power supply modes, the power consumption of the outdoor unit circuit is completely reduced to zero by cutting off the power supply of the outdoor unit in a standby state of the air conditioner, and meanwhile, the power consumption of the indoor unit control circuit is reduced to the minimum by reducing the output voltage of the power supply of the indoor unit controller, so that the purpose of effectively reducing the power consumption of the air conditioner in the standby state is achieved. When the external situation that the air conditioner can face is not considered in the scheme, the power supply of the external machine is cut off only by singly giving a signal according to the internal machine, then once the internal machine gives a wake-up signal, the external machine is forcedly started, the environment where the external machine is located is not judged, and damage influence on the external machine can be generated.
In an alternative embodiment, the invention provides a control method and a control device for low-power standby, which improve the reliability of low-power standby. In this way, the influence of the ambient temperature on the external unit of the air conditioner is fully considered, and the low-power consumption standby mode is changed according to the ambient temperature; under the condition that the hardware cost is not required to be increased, the reliability of low-power consumption standby of the air conditioner under severe working conditions is improved.
Specifically, considering that low-temperature area air conditioners are usually provided with a chassis electric heating belt and a compressor electric heating belt due to the area temperature relationship; in order to reduce the energy consumption, a low-power standby function is required. And some low-power standby functions, once the standby instruction sent by the internal machine is received, the external machine power supply is cut off, and the external machine power supply is communicated after the subsequent internal machine wakes up the external machine. The scheme of the invention aims to solve the problem that when the air conditioner is in low-power standby, the air conditioner is only executed by means of signals sent by the inner machine independently without judging interference caused by external environment, so that an outer fan and a chassis of the air conditioner are frozen. Therefore, the scheme of the invention is a brand new low-power consumption standby mode, when the air conditioner is in the low-power consumption standby state, the external environment temperature is judged, and the external environment temperature determines how the air conditioning system operates; and the reliability of the system starting operation is also protected under the condition of meeting the low-power consumption standby.
In an alternative embodiment, referring to the examples shown in fig. 2 to 5, in the scheme of the present invention, the control process of low power standby may include:
step 1, when the air conditioner receives a starting instruction, the inner machine sends a wake-up signal, and meanwhile, the inner machine conducts an inner machine relay K 1 The communication line is powered up to charge the external machine switching power supply; after the main chip of the external machine is electrified, the relay K of the internal machine is disconnected 1 Thereby ensuring the normal subsequent communication.
Step 2, after the external machine switching power supply is powered on, the external machine relay K is conducted 2 After the voltage of the direct current bus reaches a certain voltage, the relay K is conducted 3 Re-cut relay K 2 . Because K is directly conducted after the switching power supply is powered on 3 The impact current is overlarge, so that the switching power supply is damaged; and the relay K is turned on first 2 Due to R PTC The resistance buffer function, after being stabilized, is conducted again by K 3 Not only protecting the switching power supply but also avoiding R PTC Resistance versus power loss.
The thermistor is arranged, when the current is increased after the relay is connected, the temperature of the resistor is increased, and the resistance value of the resistor is increased, so that the resistor cannot be fried due to overlarge current, and the resistor cannot be selected as a common resistor because of current limitation.
Step 3, when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is Ambient temperature >T 1 When the external machine receives a shutdown instruction for N minutes, the relay K is cut off 3 。
Specifically, due to the external environment temperature T at this time Ambient temperature Greater than T 1 The working condition is not bad at this time, and the external machine does not need to start the chassis electric heating belt and the compressor electric heating belt, so the relay K is directly cut off 3 Has no influence on the external machine.
Alternatively, when T 2 <T Ambient temperature <＝T 1 When the external machine receives a shutdown instruction for N minutes, the external machine is used for a relay K 3 No treatment is performed.
Specifically, the outside environment temperature range is at T 2 T and T 1 In the middle, the external machine can be required to turn on the chassis electric heating belt and the compressor electric heating belt, so that the relay K is not turned on at the moment 3 And (5) processing.
Alternatively, when T Ambient temperature <＝T 2 When the external machine receives a shutdown instruction for N minutes, the relay K is not cut off 3 。
Specifically, at this time T Ambient temperature <＝T 2 Indicating that under severe working conditions, if K is disconnected 3 The outdoor unit of the air conditioner can not be started when the chassis electric heating belt and the compressor electric heating belt are required to be started, so that the chassis is frozen, the outdoor unit is frozen and refrigerants in the compressor are liquefied, when the outdoor unit is started again, the outdoor unit can be locked up or the system is overloaded, the frequency of the compressor can not run to the set frequency, the air conditioner can not be started normally, and the service life of the outdoor unit of the air conditioner is shortened seriously.
The relay acts as a switch to cut off the power supply of the controller.
Since the processing and functions implemented by the air conditioner of the present embodiment basically correspond to the embodiment, the principle and the example of the apparatus shown in fig. 1, the description of the present embodiment is not exhaustive, and reference may be made to the related description of the foregoing embodiment, which is not repeated herein.
Through a large number of experiments, the technical scheme of the invention changes the low-power consumption standby mode according to the external environment temperature; therefore, the reliability of low-power consumption standby of the air conditioner under severe working conditions is improved and dynamic energy conservation is realized under the condition that the hardware cost is not required to be increased.
According to an embodiment of the present invention, there is further provided a standby control method of an air conditioner corresponding to the air conditioner, as shown in fig. 6, which is a schematic flow chart of an embodiment of the method of the present invention. The standby control method of the air conditioner may include: step S110 and step S120.
At step S110, an outdoor environment temperature of an environment in which the air conditioner is located is collected by a collection unit that may be provided at an outdoor unit of the air conditioner.
At step S120, determining, by the control unit, a relationship between the collected outdoor ambient temperature and the set temperature range in the case that the air conditioner receives the shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range, so as to realize low-power consumption standby control under the condition of ensuring the reliability of the outdoor unit of the air conditioner.
For example: the control logic of the air conditioner is adjusted according to different external environments, so that the reliability of the air conditioner under the standby condition is further improved, and the standby power is dynamically reduced. If the air conditioner is in a low-power consumption standby state, judging the external environment temperature, and determining how the air conditioning system operates according to the external environment temperature; and the reliability of the system starting operation is also protected under the condition of meeting the low-power consumption standby. In this way, the influence of the ambient temperature on the external unit of the air conditioner is fully considered, and the low-power consumption standby mode is changed according to the ambient temperature; under the condition that the hardware cost is not required to be increased, the reliability of low-power consumption standby of the air conditioner under severe working conditions is improved.
Therefore, under the condition that the air conditioner receives a shutdown instruction, the outdoor unit of the air conditioner is subjected to standby control according to the acquired relationship between the outdoor environment temperature and the set temperature range, so that the low-power consumption standby control is realized under the condition that the reliability of the outdoor unit of the air conditioner is ensured, the running reliability of the air conditioner is ensured, and the low-power consumption control is dynamically realized.
In an alternative example, the control unit may include: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch.
Specifically, the first power supply branch of the outdoor unit is arranged between the live wire of the alternating current power supply and the outdoor unit controller module and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the outdoor unit controller module according to a first control mode.
Specifically, the second power supply branch of the outdoor unit is also arranged between the live wire of the alternating current power supply and the outdoor unit controller module, namely connected in parallel with the first power supply branch of the outdoor unit, and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the outdoor unit control module according to a second control mode. The first control method and the second control method may be preset control methods or may be implemented under the control of the outdoor unit controller module.
Wherein, the outdoor unit controller module can be provided with a switching power supply and an outdoor unit controller. In the case that the switching power supply in the outdoor unit controller module is powered on, the first control manner may be: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected; the second control mode may be: and under the condition that the voltage of the direct current bus of the power supply source of the air conditioner reaches the set voltage, controlling the second power supply branch of the outdoor unit to be connected.
For example: when the external machine switch power supply is powered on, the external machine relay K is turned on 2 After the voltage of the direct current bus reaches a certain voltage, the relay K is conducted 3 Re-cut relay K 2 . Because K is directly conducted after the switching power supply is powered on 3 The impact current is overlarge, so that the switching power supply is damaged; and the relay K is turned on first 2 Due to R PTC The resistance buffer function, after being stabilized, is conducted again by K 3 Not only protecting the switching power supply but also avoiding R PTC Resistance versus power loss.
Therefore, the first power supply branch of the outdoor unit is matched with the second power supply branch of the outdoor unit, the first power supply branch of the outdoor unit is controlled to be connected under the condition that a switching power supply in a controller module of the outdoor unit is at a certain point, the second power supply branch of the outdoor unit is controlled to be connected after the voltage of a direct current bus is stabilized, and then the first power supply branch of the outdoor unit is controlled to be disconnected, so that the charging safety of the outdoor unit and the low-power consumption standby reliability are ensured.
Alternatively, in case the control unit may be included, the control unit performs standby control on the outdoor unit of the air conditioner, and may include any one of the following control cases.
First control scenario: if the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is Ambient temperature >T 1 When the external machine receives a shutdown instruction for N minutes, the relay K is cut off 3 . Due to the external environment temperature T at this time Ambient temperature Greater than T 1 The working condition is not bad at this time, and the external machine does not need to start the chassis electric heating belt and the compressor electric heating belt, so the relay K is directly cut off 3 Has no influence on the external machine.
Second control scenario: if the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is 2 <T Ambient temperature <＝T 1 When the external machine receives a shutdown instruction for N minutes, the external machine is used for a relay K 3 No treatment is performed. At the moment, the external environment temperature interval is at T 2 T and T 1 In the middle, the external machine can be required to turn on the chassis electric heating belt and the compressor electric heating belt, so that the relay K is not turned on at the moment 3 And (5) processing.
Third control scenario: if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on. For example: when the external unit of the air conditioner receives a shutdown instruction, the external unit of the air conditioner enters a low-power consumption standby mode judgment logic, and when T is Ambient temperature <＝T 2 When the external machine receives a shutdown instruction for N minutes, the relay K is not cut off 3 . At this time T Ambient temperature <＝T 2 Indicating that under severe working conditions, if K is disconnected 3 The outdoor unit of the air conditioner can not be started when the chassis electric heating belt and the compressor electric heating belt are required to be started, so that the chassis is frozen, the outdoor unit is frozen and refrigerants in the compressor are liquefied, when the outdoor unit is started again, the outdoor unit can be locked up or the system is overloaded, the frequency of the compressor can not run to the set frequency, the air conditioner can not be started normally, and the service life of the outdoor unit of the air conditioner is shortened seriously.
Therefore, under the condition that the air conditioner receives a shutdown instruction, the connection or disconnection of the outdoor first power supply branch circuit and the outdoor second power supply branch circuit is controlled by combining the relation between the outdoor environment temperature and the set temperature range, so that the reliability and the safety of the outdoor unit can be ensured, and the standby energy-saving control with low power consumption can be dynamically realized.
In an alternative embodiment, the method may further include: the control unit is used for controlling the indoor unit of the air conditioner to send out a wake-up signal which can be used for waking up the outdoor unit of the air conditioner under the condition that the air conditioner receives a start-up instruction, and controlling the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
Therefore, the indoor unit is utilized to wake up the outdoor unit and charge the switching power supply in the outdoor unit controller module, so that the power consumption can be saved, and the energy conservation is facilitated.
In an alternative example, the control unit may further include: an indoor unit controller module and an indoor unit power supply branch. For example: in the indoor unit control module, an indoor unit controller and a switching power supply may be provided.
The indoor unit power supply branch is arranged between a communication wire of the indoor unit controller module of the air conditioner and a live wire of the alternating current power supply, and can be used for controlling the connection or disconnection between the live wire of the alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner so as to control the connection or disconnection of a power supply channel for supplying power to the communication wire of the indoor unit controller module through the live wire of the alternating current power supply.
Optionally, the controlling unit controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit may include: the indoor unit controller module sends a wake-up signal and simultaneously controls the power supply branch of the indoor unit to be connected so as to charge a switching power supply in the outdoor unit controller module of the outdoor unit;
optionally, the controlling unit may control the indoor unit to disconnect a charging path for charging the switching power supply in the outdoor unit controller module of the outdoor unit, and may include: under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected, so that the indoor unit controller module and the outdoor unit controller module are ensured to normally communicate through a communication line.
For example: when the air conditioner receives a starting instruction, the inner machine sends out a wake-up signal, and simultaneously the inner machine conducts the inner machine relay K 1 The communication line is powered up to charge the external machine switching power supply; after the main chip of the external machine is electrified, the relay K of the internal machine is disconnected 1 Thereby ensuring the normal subsequent communication.
Therefore, the indoor unit power supply branch is arranged between the live wire of the alternating-current power supply and the indoor unit controller module, and the switching power supply in the outdoor unit controller module can be charged by controlling the indoor unit power supply branch, so that the structure is simple, and the power consumption is saved.
Since the processes and functions implemented by the method of the present embodiment substantially correspond to the embodiments, principles and examples of the air conditioner shown in fig. 1 to 5, the description of the present embodiment is not exhaustive, and reference may be made to the related descriptions in the foregoing embodiments, which are not repeated herein.
Through a large number of experiments, the technical scheme of the embodiment is adopted, the external environment temperature is judged when the air conditioner is in the low-power consumption standby state, and the external environment temperature determines how the air conditioner system operates, so that the reliability of the system starting operation is protected under the condition of meeting the low-power consumption standby state, and the dynamic energy conservation under the condition of ensuring the system reliability is realized.
In summary, it is readily understood by those skilled in the art that the above-described advantageous ways can be freely combined and superimposed without conflict.
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 (10)
1. A standby control apparatus, comprising: the acquisition unit and the control unit; wherein,
the collecting unit is used for collecting the outdoor environment temperature of the environment where the air conditioner is located;
the control unit is used for determining the relation between the collected outdoor environment temperature and the set temperature range under the condition that the air conditioner receives a shutdown instruction; the method comprises the steps of,
according to the acquired relationship between the outdoor environment temperature and the set temperature range, the outdoor unit of the air conditioner is subjected to standby control;
a control unit comprising: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch; wherein,
the first power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a first control mode;
The second power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a second control mode;
wherein, under the condition that the switch power supply in the outdoor unit controller module is powered on,
the first control mode is as follows: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected;
the second control mode is as follows: controlling a second power supply branch of the outdoor unit to be connected under the condition that the voltage of a direct current bus of a power supply of the air conditioner reaches a set voltage;
wherein,
a first outdoor control switch and a temperature acquisition module are arranged on a first power supply branch of the outdoor unit, and the temperature acquisition module can be used for acquiring the outdoor environment temperature of the environment where the air conditioner is located; the temperature acquisition module is a thermistor;
a second outdoor control switch is arranged on a second power supply branch of the outdoor unit;
the control unit performs standby control on an outdoor unit of the air conditioner, including:
if the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected;
If the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on;
if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on.
2. The apparatus of claim 1, wherein the control unit is further configured to control the indoor unit of the air conditioner to send a wake-up signal for waking up the outdoor unit of the air conditioner and to control the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit, in case the air conditioner receives a start-up command; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
3. The apparatus of claim 2, wherein the control unit further comprises: an indoor unit controller module and an indoor unit power supply branch; wherein,
the indoor unit power supply branch is used for controlling connection or disconnection between a live wire of an alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner;
The control unit controls the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit, and the control unit comprises: the indoor unit controller module sends out a wake-up signal and simultaneously controls the power supply branch of the indoor unit to be connected;
the control unit controls the indoor unit to disconnect a charging path for charging a switching power supply in an outdoor unit controller module of the outdoor unit, and the control unit comprises: and under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected.
4. A device according to claim 3, characterized in that an indoor control switch is provided on the indoor unit power supply branch.
5. An air conditioner, comprising: the standby control device according to any one of claims 1 to 4.
6. The standby control method of an air conditioner as claimed in claim 5, comprising:
the outdoor environment temperature of the environment where the air conditioner is located is collected through the collecting unit;
determining the relation between the collected outdoor environment temperature and the set temperature range through a control unit under the condition that the air conditioner receives a shutdown instruction; and performing standby control on the outdoor unit of the air conditioner according to the acquired relationship between the outdoor environment temperature and the set temperature range.
7. The method of claim 6, wherein the control unit comprises: the outdoor unit comprises an outdoor unit controller module, an outdoor unit first power supply branch and an outdoor unit second power supply branch; wherein,
the first power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a first control mode;
the second power supply branch of the outdoor unit is used for controlling the connection or disconnection between the live wire of the alternating current power supply and the control module of the outdoor unit according to a second control mode;
wherein, under the condition that the switch power supply in the outdoor unit controller module is powered on,
the first control mode is as follows: after the first power supply branch of the outdoor unit is controlled to be connected, the first power supply branch of the outdoor unit is controlled to be disconnected until the DC bus voltage of the power supply of the air conditioner reaches a set voltage and the second power supply branch of the outdoor unit is controlled to be connected;
the second control mode is as follows: and under the condition that the voltage of the direct current bus of the power supply source of the air conditioner reaches the set voltage, controlling the second power supply branch of the outdoor unit to be connected.
8. The method of claim 7, wherein the control unit performs standby control of the outdoor unit of the air conditioner, comprising:
If the collected outdoor environment temperature is greater than the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be disconnected;
if the collected outdoor environment temperature is greater than the lower limit of the set temperature range and is less than or equal to the upper limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on;
if the collected outdoor environment temperature is smaller than or equal to the lower limit of the set temperature range, after the air conditioner receives the set duration of the shutdown instruction, the second power supply branch of the outdoor unit is controlled to be kept on.
9. The method according to any one of claims 6 to 8, further comprising:
the control unit is used for controlling the indoor unit of the air conditioner to send a wake-up signal for waking up the outdoor unit of the air conditioner under the condition that the air conditioner receives a start-up instruction, and controlling the indoor unit to charge a switching power supply in an outdoor unit controller module of the outdoor unit; and after the switching power supply in the outdoor unit controller module is powered on, a charging path for controlling the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit is disconnected.
10. The method of claim 9, wherein the control unit further comprises: an indoor unit controller module and an indoor unit power supply branch; wherein,
the indoor unit power supply branch is used for controlling connection or disconnection between a live wire of an alternating current power supply and the indoor unit controller module under the control of the indoor unit controller module of the air conditioner;
the control unit controls the indoor unit to charge the switching power supply in the outdoor unit controller module of the outdoor unit, and the control unit comprises: the indoor unit controller module sends out a wake-up signal and simultaneously controls the power supply branch of the indoor unit to be connected;
the control unit controls the indoor unit to disconnect a charging path for charging a switching power supply in an outdoor unit controller module of the outdoor unit, and the control unit comprises: and under the condition that a switching power supply in the outdoor unit controller module is powered on, the power supply branch of the indoor unit is controlled to be disconnected.
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| CN111664555B (en) * | 2020-05-06 | 2021-09-24 | 海信（山东）空调有限公司 | Air conditioner |
| CN112254279B (en) * | 2020-10-19 | 2021-11-30 | 珠海格力电器股份有限公司 | Control method and device for standby of air conditioner, air conditioner and storage medium |
| CN112902416B (en) * | 2020-12-24 | 2022-04-22 | 珠海格力电器股份有限公司 | Control device and method of air conditioner and air conditioner |
| CN114543301B (en) * | 2022-01-24 | 2023-11-17 | 青岛海尔空调器有限总公司 | Power-off control method and device for air conditioner, electronic equipment and storage medium |
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