CN105864970B - It is a kind of for adjust air-conditioning consumption power method and device - Google Patents

It is a kind of for adjust air-conditioning consumption power method and device Download PDF

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Publication number
CN105864970B
CN105864970B CN201610224358.1A CN201610224358A CN105864970B CN 105864970 B CN105864970 B CN 105864970B CN 201610224358 A CN201610224358 A CN 201610224358A CN 105864970 B CN105864970 B CN 105864970B
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current
air
conditioning
value
running
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CN105864970A (en
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王法军
杨文钧
力科学
孙治国
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/80Electric charge

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

It is a kind of for adjust air-conditioning consumption power method and device, this method comprises: setting air-conditioning normalized current value;The running current of real-time detection air-conditioning;The normalized current and the running current are compared in real time;According to the result of the comparison, the running frequency of the compressor of air-conditioning is adjusted, to adjust the consumption power of air-conditioning.In this method, user can be according to the actual conditions of oneself power grid, set the value of the normalized current of operation of air conditioner, and according to the comparison result of running current and normalized current, the running frequency of adjustment compressor of air conditioner in real time, in this way in the biggish situation of network load, user the value of normalized current can be arranged into the limit of power of power grid, reduce the running frequency of compressor in real time compared with normalized current according to the electric current of air-conditioning actual motion, to reduce the consumption power of air-conditioning, guarantee air-conditioning in the case where power grid inferior capabilities, also it can operate normally, applicability is more preferable.

Description

It is a kind of for adjust air-conditioning consumption power method and device
Technical field
The invention belongs to air-conditioning technical field more particularly to it is a kind of for adjust air-conditioning consumption power method and dress It sets.
Background technique
Many areas all can take power cuts to limit consumption or power at times when network load is higher both at home and abroad at present Mode limits electricity consumption, especially hot summer, and the use of air-conditioning brings bigger electric load to power grid, especially as Africa Area, network load can be bigger, and therefore, when grid cut-off, user can pass through oneself spare small size gasoline in some areas The normal electricity consumption of fry dried food ingredients electric power generation guarantee family.Summer hot hours, many users will use minitype gas dynamotor drive Air conditioner freezes to the interior space.
When driving common air-conditioning device to run using minitype gas dynamotor, when environment is more severe, air conditioner demand function Rate is bigger, if generator fan-out capability is smaller, is easy to happen shutdown or trip phenomenon;If generator ability is larger, though It will not so shut down, but similar low load with strong power, generator specified cannot be run, utilization efficiency reduces.And wait in actual use, User would generally use low power gasoline engine generator.On the other hand, user is while using air-conditioning, it is also possible to will use it His small-sized electric appliance, such as bulb;In the case where generator fan-out capability is constant, the maximum power of air conditioner can be supplied It is corresponding to reduce.
So existing air conditioner, in the case where power grid inferior capabilities, the problem of being easy to appear tripping or shut down.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of method for adjusting the consumption power of air-conditioning, with solution Certainly existing air conditioner, in the case where power grid inferior capabilities, the problem of being easy to appear tripping or shut down.For the reality to disclosure The some aspects for applying example have a basic understanding, and simple summary is shown below.The summarized section is not extensive overview, It is not intended to identify key/critical component or describes the protection scope of these embodiments.Its sole purpose is with simple shape Some concepts are presented in formula, in this, as the preamble of following detailed description.
In some alternative embodiments, this method comprises: the value of the normalized current of setting air-conditioning;Real-time detection air-conditioning Running current;The normalized current and the running current are compared in real time;According to the result of the comparison, air-conditioning is adjusted The running frequency of compressor, to adjust the consumption power of air-conditioning.
Further, according to the result of the comparison, the process for adjusting the running frequency of the compressor of air-conditioning includes: to work as to detect institute The value for stating running current is greater than the first setting value of the normalized current and is less than or equal to the second setting value b of the normalized current When, the running frequency that compressor remains current is constant;When the value for detecting the running current is greater than the of the normalized current Two setting value b and be less than or equal to the normalized current third setting value c when, reduce the running frequency of compressor;When detecting When the value of the running current is greater than the third setting value c of the normalized current, compressor is out of service;Wherein a <b < c.
Further, when the second setting value b that the value for detecting running current is greater than normalized current is less than or equal to the standard When the third setting value c of electric current, the process for reducing the running frequency of compressor includes: to work as to detect that the value of the running current is big In the normalized current the second setting value b and be less than or equal to the normalized current the 4th setting value c1 when, with preset first The running frequency of amplitude reduction compressor;When fourth setting value of the value greater than the normalized current for detecting the running current C1 and be less than or equal to the normalized current third setting value c when, with preset the second amplitude reduce compressor running frequency;Its In, b < c1 < c.
Further, running current includes: direct current or exchange.
Further, when running current is direct current, the value of a, b, c and c1 are determined by following formula:
A=f[(p1-p2-p3)/1.414/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is air-conditioning The rated power of control circuit board;Function f[(p1-p2-p3)/1.414/220] is defined as: by formula (p1-p2-p3)/ 1.414/220 value being calculated takes 0.2 integral multiple approximate number.
Further, when running current is exchange, the value of a, b, c and c1 are determined by following formula:
A=f[(p1-p2-p3)/1/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is air-conditioning The rated power of control circuit board;Function f[(p1-p2-p3)/1/220] is defined as: it is counted by formula (p1-p2-p3)/1/220 Obtained value takes 0.2 integral multiple approximate number.
Further, the process for setting the value of the normalized current of air-conditioning includes: by determining the preset normalized current of air-conditioning Value gear setting air-conditioning normalized current value.
Further, value gear includes multiple;Each value gear is correspondingly arranged the setting there are four normalized current Value.
Further, the preset threshold of the consumption power of air-conditioning includes multiple;Each preset threshold and a value shelves Position is corresponding.
Another object of the present invention be propose it is a kind of for adjust air-conditioning consumption power device.
In some alternative embodiments, which includes: control circuit board for controlling operation of air conditioner and for real When detection air-conditioning running current current detection means;Comparison circuit is provided in the control circuit board;The electric current inspection Surveying device has the first input port for the running current for receiving air-conditioning and exports the first output port of the running current;Institute State the normalized current that comparison circuit has the low-level input mouth being connected with first output port, receives setting air-conditioning Value the second input port and send the second of control circuit board for the comparison result of running current and normalized current Output port;The control circuit board, which has, to be connected, for receiving the running current and mark with the second output terminal mouth The third input port of the comparison result of quasi- electric current and the third output port that frequency adjusted signal is sent to compressor.
Another object of the present invention is to propose a kind of air-conditioning, which includes above-mentioned apparatus.
Compared with prior art, the invention has the benefit that
The present invention provides a kind of for adjusting the method and device of the consumption power of air-conditioning, and in this method, user can root According to the actual conditions of oneself power grid, the value of the normalized current of operation of air conditioner is set, and according to the ratio of running current and normalized current Compared with as a result, adjusting the running frequency of compressor of air conditioner in real time, in this way in the biggish situation of network load, user can will be marked In the value setting to the limit of power of power grid of quasi- electric current, the electric current according to air-conditioning actual motion is real-time compared with normalized current The running frequency of compressor is reduced, to reduce the consumption power of air-conditioning, guarantees that air-conditioning in the case where power grid inferior capabilities, also can Enough to operate normally, applicability is more preferable.
For the above and related purposes, one or more embodiments include being particularly described below and in claim In the feature that particularly points out.Certain illustrative aspects are described in detail in the following description and the annexed drawings, and its instruction is only Some modes in the utilizable various modes of the principle of each embodiment.Other benefits and novel features will be under The detailed description in face is considered in conjunction with the accompanying and becomes obvious, the disclosed embodiments be all such aspects to be included and they Be equal.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the consumption power for adjusting air-conditioning of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the device of the consumption power for adjusting air-conditioning of the embodiment of the present invention.
Specific embodiment
The following description and drawings sufficiently show specific embodiments of the present invention, to enable those skilled in the art to Practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims There is obtainable equivalent.Herein, these embodiments of the invention individually or generally can be used term " invention " It indicates, this is not meant to automatically limit this just for the sake of convenient, and if in fact disclose the invention more than one The range of application is any single invention or inventive concept.
It is illustrated presently in connection with attached drawing, shown in fig. 1 is in some optional embodiments for adjusting the consumption of air-conditioning The flow chart of the method for power;Fig. 2 shows be in some optional embodiments for adjust air-conditioning consumption power device Structure chart.
As shown in Figure 1, in some alternative embodiments, disclosing a kind of for adjusting the side of the consumption power of air-conditioning Method, this method comprises:
S11, set air-conditioning normalized current value;
In some alternative embodiments, the process for setting the value of the normalized current of air-conditioning includes: by determining air-conditioning The value of the normalized current of the value gear setting air-conditioning of preset normalized current.During specific implementation, value gear Multiple, such as three gears of setting can be set, and each value gear can be correspondingly arranged the setting of multiple normalized currents Value, such as the setting of each gear is there are four the setting value of the normalized current, in this way, user can be according to oneself need Ask, selection is suitble to the gear of oneself network load, air-conditioning will under the restriction of the setting value of multiple normalized currents of the gear, The running frequency of compressor is adjusted in real time, to control the consumption power of air-conditioning itself, guarantees that air-conditioning can be in electricity The phenomenon that can also being operated normally in the case that net load is big, being not in tripping or power-off, even if in the area of electricity consumption airplane crash, The phenomenon that operation of air conditioner can also being driven using small generator, be equally not in power-off or tripping, use is more secure, Use scope is wider, and applicability is more preferable.
The running current of S12, real-time detection air-conditioning;
Wherein, running current includes: direct current or exchange.When the running current to air-conditioning detects, can directly examine The supply current of the compressor of air-conditioning is surveyed, what is detected is alternating current, can also first be become alternating current by rectification module Direct current is later compressor power supply by the rectification module, detects the rectification module and be supplied to the direct current supply of compressor i.e. It can.
S13, the normalized current and the running current are compared in real time;
S14, according to the result of the comparison, adjusts the running frequency of the compressor of air-conditioning, to adjust the consumption power of air-conditioning.
In some alternative embodiments, according to the result of the comparison, the process of the running frequency of the compressor of air-conditioning is adjusted It include: when the value for detecting the running current is greater than the first setting value of the normalized current and is less than or equal to the standard electric When the second setting value b of stream, the running frequency that compressor remains current is constant;When the value for detecting the running current is greater than institute When stating the second setting value b of normalized current and being less than or equal to the third setting value c of the normalized current, the operation of compressor is reduced Frequency;When the value for detecting the running current is greater than the third setting value c of the normalized current, compressor is out of service; Wherein a <b < c.
Further, when the second setting value b that the value for detecting the running current is greater than the normalized current is less than or equal to When the third setting value c of the normalized current, the process for reducing the running frequency of compressor includes: to work as to detect the operation electricity When the value of stream is greater than the second setting value b of the normalized current and is less than or equal to the 4th setting value c1 of the normalized current, with Default first amplitude reduces the running frequency of compressor;When the value for detecting the running current is greater than the of the normalized current Four setting value c1 and be less than or equal to the normalized current third setting value c when, with preset the second amplitude reduce compressor fortune Line frequency;Wherein, b < c1 < c.
Further, when running current is direct current, the value of a, b, c and c1 are determined by following formula:
A=f[(p1-p2-p3)/1.414/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is air-conditioning The rated power of control circuit board;Function f[(p1-p2-p3)/1.414/220] is defined as: by formula (p1-p2-p3)/ 1.414/220 value being calculated takes 0.2 integral multiple approximate number.During specific implementation, designer can be according to each The difference of territorial environment is adjusted the preset threshold of the consumption power of air-conditioning, also, the default threshold of the consumption power of air-conditioning Value can be set to multiple;Each preset threshold is corresponding with a value gear.Usually in the specific implementation, empty The preset threshold of the consumption power of tune can be set according to the value of the rated power of air-conditioning, for example, can disappearing air-conditioning The preset threshold of wasted work rate is set as 50%, 70%, 90% or other values of its rated power, can be according to the reality of each region Border situation sets itself.
When the running current is exchange, the value of described a, b, c and c1 are determined by following formula:
A=f[(p1-p2-p3)/1/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is air-conditioning The rated power of control circuit board;Function f[(p1-p2-p3)/1/220] is defined as: it is counted by formula (p1-p2-p3)/1/220 Obtained value takes 0.2 integral multiple approximate number.Equally, during specific implementation, designer can be according to each region ring The difference in border is adjusted the preset threshold of the consumption power of air-conditioning, also, the preset threshold for consuming power of air-conditioning can be with It is set as multiple;Each preset threshold is corresponding with a value gear.Usually in the specific implementation, air-conditioning disappears The preset threshold of wasted work rate can be set according to the value of the rated power of air-conditioning, for example, can be by the consumption power of air-conditioning Preset threshold be set as 50%, 70%, 90% or other value of its rated power, can be according to the actual conditions of each region Sets itself.
In method provided by the invention, user can set the standard of operation of air conditioner according to the actual conditions of oneself power grid The value of electric current, and according to the comparison result of running current and normalized current, the running frequency of compressor of air conditioner is adjusted in real time, this Sample is in the biggish situation of network load, and user the value of normalized current can be arranged into the limit of power of power grid, according to sky The electric current of actual motion is adjusted to reduce the running frequency of compressor in real time compared with normalized current, to reduce the consumption function of air-conditioning Rate guarantees that air-conditioning in the case where power grid inferior capabilities, can also operate normally, applicability is more preferable.
As shown in Fig. 2, in some alternative embodiments, disclosing a kind of for adjusting the dress of the consumption power of air-conditioning It sets, which includes:
The current detecting of running current for controlling the control circuit board 1 of operation of air conditioner and for real-time detection air-conditioning fills Set 2;
Comparison circuit 3 is provided in the control circuit board 1;In the specific implementation, comparison circuit 3 can also individually be set It is set to a module or directlys adopt comparator as comparison circuit 3;
The current detection means 2 has the first input port for the running current for receiving air-conditioning and exports the operation electricity First output port of stream;
The comparison circuit 3 has the low-level input mouth being connected with first output port, receives setting sky Second input port of the value of the normalized current of tune and control is sent by the comparison result of running current and normalized current The second output terminal mouth of circuit board 1;
The control circuit board 1, which has, to be connected, for receiving the running current and mark with the second output terminal mouth The third input port of the comparison result of quasi- electric current and the third output port that frequency adjusted signal is sent to compressor 5.Having When body is implemented, control circuit board 1 can also be adjusted the running frequency of compressor 5 to the transmission of control module 4 being separately provided Whole signal is adjusted by running frequency of the control module 4 to compressor 5 in real time later.
In some alternative embodiments, a kind of air-conditioning is disclosed, which includes above-mentioned device.
Air-conditioning of the invention, user can set the normalized current of operation of air conditioner according to the actual conditions of oneself power grid Value, and according to the comparison result of running current and normalized current, the running frequency of compressor of air conditioner is adjusted in real time, in this way in electricity In the biggish situation of net load, user the value of normalized current can be arranged into the limit of power of power grid, according to air-conditioning reality The electric current of operation reduces the running frequency of compressor in real time compared with normalized current, to reduce the consumption power of air-conditioning, protects Air-conditioning is demonstrate,proved in the case where power grid inferior capabilities, can also be operated normally, applicability is more preferable.
In short, the above description is only an embodiment of the present invention, it is merely to illustrate the principle of the present invention, is not intended to limit this The protection scope of invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on, should all It is included within protection scope of the present invention.

Claims (6)

1. a kind of method for adjusting the consumption power of air-conditioning characterized by comprising set taking for the normalized current of air-conditioning Value;
The running current of real-time detection air-conditioning;
The normalized current and the running current are compared in real time;
According to the result of the comparison, the running frequency of the compressor of air-conditioning is adjusted, to adjust the consumption power of air-conditioning;
It is described according to the result of the comparison, the process for adjusting the running frequency of the compressor of air-conditioning includes: when detecting the operation When the value of electric current is greater than the first setting value a of the normalized current and is less than or equal to the second setting value b of the normalized current, pressure The running frequency that contracting machine remains current is constant;When the value for detecting the running current is greater than the second setting of the normalized current Value b and be less than or equal to the normalized current third setting value c when, reduce the running frequency of compressor;When detecting the fortune When the value of row electric current is greater than the third setting value c of the normalized current, compressor is out of service;Wherein a <b < c;
The second setting value b for being greater than the normalized current when the value for detecting the running current is less than or equal to the standard When the third setting value c of electric current, the process for reducing the running frequency of compressor includes: to work as to detect that the value of the running current is big In the normalized current the second setting value b and be less than or equal to the normalized current the 4th setting value c1 when, with preset first The running frequency of amplitude reduction compressor;When fourth setting value of the value greater than the normalized current for detecting the running current C1 and be less than or equal to the normalized current third setting value c when, with preset the second amplitude reduce compressor running frequency;Its In, b < c1 < c;
The running current includes: direct current or exchange;
When the running current is direct current, the value of described a, b, c and c1 are determined by following formula:
A=f [(p1-p2-p3)/1.414/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is the control of air-conditioning The rated power of circuit board;
Function f's [(p1-p2-p3)/1.414/220] is defined as: be calculated by formula (p1-p2-p3)/1.414/220 Value takes 0.2 integral multiple approximate number.
2. the method according to claim 1, wherein when the running current be exchange when, described a, b, c and c1 Value pass through following formula determine:
A=f [(p1-p2-p3)/1/220];
B=a+0.2;
C1=b+0.2;
C=a × 2;
Wherein, p1 is the preset threshold of the consumption power of air-conditioning;P2 is the rated power of the fan of air-conditioning;P3 is the control of air-conditioning The rated power of circuit board;
Function f's [(p1-p2-p3)/1/220] is defined as: take 0.2 by the value that formula (p1-p2-p3)/1/220 is calculated Integral multiple approximate number.
3. method according to claim 1 or 2, which is characterized in that the mistake of the value of the normalized current of the setting air-conditioning Journey includes: by determining that the value gear of the preset normalized current of air-conditioning sets the value of the normalized current of air-conditioning.
4. according to the method described in claim 3, it is characterized in that, the value gear includes multiple;Each value shelves Position is correspondingly arranged the setting value there are four the normalized current.
5. according to the method described in claim 4, it is characterized in that, the preset threshold of the consumption power of the air-conditioning includes more It is a;Each preset threshold is corresponding with a value gear.
6. a kind of device of the method for the consumption power for adjusting air-conditioning of any one using claim 1 to 5, feature It is, comprising:
For controlling the control circuit board of operation of air conditioner and the current detection means of the running current for real-time detection air-conditioning;
Comparison circuit is provided in the control circuit board;
The current detection means has the first input port for the running current for receiving air-conditioning and exports the running current First output port;
The mark that the comparison circuit has the low-level input mouth being connected with first output port, receives setting air-conditioning Second input port of the value of quasi- electric current and control circuit board is sent by the comparison result of running current and normalized current Second output terminal mouth;
The control circuit board, which has, to be connected, for receiving the running current and normalized current with the second output terminal mouth Comparison result third input port and to compressor send frequency adjusted signal third output port.
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