CN105135600B - Three-phase electricity auxiliary hot control method, apparatus and system and air conditioner - Google Patents
Three-phase electricity auxiliary hot control method, apparatus and system and air conditioner Download PDFInfo
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- CN105135600B CN105135600B CN201510486131.XA CN201510486131A CN105135600B CN 105135600 B CN105135600 B CN 105135600B CN 201510486131 A CN201510486131 A CN 201510486131A CN 105135600 B CN105135600 B CN 105135600B
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- auxiliary heat
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Abstract
The invention discloses a kind of three-phase electricity auxiliary hot control method, apparatus and system and air conditioner.This method includes:Detect the control signal received;If the control signal received is first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn turns on and controls the neutral conductor conducting of the auxiliary heat extraction of three-phase electricity, so that the auxiliary heat closure of three-phase electricity, wherein, the first control signal signal that the auxiliary heat of three-phase electricity closes in order to control;And if the control signal received is second control signal, the neutral conductor that the phase line that the auxiliary heat of control three-phase electricity is drawn disconnects and control the auxiliary heat of three-phase electricity to draw disconnects, so that the auxiliary thermal cutoff of three-phase electricity, wherein, the signal of the second control signal auxiliary thermal cutoff of three-phase electricity in order to control.By the present invention, the problem of solving in correlation technique and the auxiliary hot dry combustion method of three-phase electricity easily occur, cause security risk.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of auxiliary hot control method of three-phase electricity, apparatus and system
And air conditioner.
Background technology
At present, in the auxiliary hot air-conditioner set of three-phase electricity, since the auxiliary hot resistance value of electricity varies with temperature, three groups can not be ensured
The auxiliary hot resistance value of electricity is consistent, and it is even more impossible to ensure three groups of auxiliary hot balances of voltage of electricity.In the related art, as shown in Figure 1, passing through
Three relays are controlled to the triple line of the auxiliary heat extraction of three groups of electricity, the neutral conductor that the auxiliary heat of three groups of electricity is drawn is directly connected to power supply,
To ensure three groups of auxiliary hot balances of voltage of electricity.Due to by three groups electricity it is auxiliary heat draw the neutral conductors be directly connected to power supply, when three after
In electric appliance during any one relay adhesion, relay can be then formed into a loop, and made the auxiliary hot dry combustion method of electricity, then can be caused electrical safety thing
Therefore.
For the problem that easily occurring the auxiliary hot dry combustion method of three-phase electricity in correlation technique, cause security risk, not yet propose at present
Effective solution.
The content of the invention
It is a primary object of the present invention to provide a kind of three-phase electricity auxiliary hot control method, apparatus and system and air conditioner,
The problem of to solve easily to occur in correlation technique the auxiliary hot dry combustion method of three-phase electricity, cause security risk.
To achieve these goals, according to an aspect of the invention, there is provided a kind of auxiliary hot control method of three-phase electricity.
This method includes:Detect the control signal received;If the control signal received is first control signal, three-phase electricity is controlled
The phase line that auxiliary heat is drawn turns on and controls the neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn, so that the auxiliary heat closure of three-phase electricity, wherein, the
The one control signal signal that the auxiliary heat of three-phase electricity closes in order to control;And if the control signal received is second control signal,
The neutral conductor that the phase line that the auxiliary heat of control three-phase electricity is drawn disconnects and control the auxiliary heat of three-phase electricity to draw disconnects, so that the auxiliary heat of three-phase electricity is disconnected
Open, wherein, the signal of the second control signal auxiliary thermal cutoff of three-phase electricity in order to control.
Further, the auxiliary heat of three-phase electricity is connected by switch module with power supply, is closed by controlling switch module to control
The phase line that the auxiliary heat of three-phase electricity processed is drawn turns on and controls the neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn;Broken by controlling switch module
Open and disconnected with the neutral conductor for controlling the phase line that the auxiliary heat of three-phase electricity is drawn to disconnect and controlling the auxiliary heat of three-phase electricity to draw.
Further, switch module includes multiple switch, and multiple switch includes first switch, the first end of first switch with
Power supply connects, and the second end of first switch is connected with the neutral conductor that the auxiliary heat of three-phase electricity is drawn, when first switch closes, three-phase electricity
The neutral conductor conducting that auxiliary heat is drawn, when first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:If connect
Receive first control signal, control first switch closure;And if receiving second control signal, control first switch is broken
Open.
Further, multiple switch further includes second switch, the 3rd switch and the 4th switch, and the auxiliary heat of three-phase electricity includes first
The auxiliary heat of electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, the phase line that the auxiliary heat of three-phase electricity is drawn include the first phase that the auxiliary heat of the first electricity is drawn
The third phase line that the second phase line and the auxiliary heat of the 3rd electricity that line, the auxiliary heat of the second electricity are drawn are drawn, the first end and power supply of second switch
Connection, the second end of second switch is connected with the first phase line that the auxiliary heat of the first electricity is drawn, and when second switch closes, the first electricity is auxiliary
The first phase line conducting that heat is drawn, when second switch disconnects, the first phase line that the auxiliary heat of the first electricity is drawn disconnects, the 3rd switch
First end is connected with power supply, and the second end of the 3rd switch is connected with the second phase line that the auxiliary heat of the second electricity is drawn, when the 3rd switch closes
During conjunction, the second phase line that the auxiliary heat of the second electricity is drawn turns on, and when the 3rd switches off, the second phase line that the auxiliary heat of the second electricity is drawn is broken
To open, the first end of the 4th switch is connected with power supply, and the second end of the 4th switch is connected with the third phase line that the auxiliary heat of the 3rd electricity is drawn,
When the 4th switch closure, the third phase line conducting of the auxiliary heat extraction of the 3rd electricity, when the 4th switches off, the auxiliary heat of the 3rd electricity is drawn
Third phase line disconnect, wherein:If receiving first control signal, first switch, second switch, third switch and the are controlled
Four switch closures;And if receiving second control signal, control first switch, second switch, third switch and the 4th are opened
Shut-off is opened.
Further, switch module is normally opened relay and/or A.C. contactor.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of auxiliary hot control device of three-phase electricity.
The device includes:Detection unit, for detecting the control signal received;First control unit, in the control received
In the case that signal is first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn turns on and controls what the auxiliary heat of three-phase electricity was drawn
The neutral conductor turns on, so that the auxiliary heat closure of three-phase electricity, wherein, the first control signal signal that the auxiliary heat of three-phase electricity closes in order to control;With
And second control unit, in the case of being second control signal in the control signal received, the control auxiliary heat of three-phase electricity is drawn
The neutral conductor that the phase line gone out disconnects and control the auxiliary heat of three-phase electricity to draw disconnects, so that the auxiliary thermal cutoff of three-phase electricity, wherein, the second control
The signal of the signal auxiliary thermal cutoff of three-phase electricity in order to control.
Further, the auxiliary heat of three-phase electricity is connected by switch module with power supply, and the first control unit includes:First control
Module, for controlling the phase line that the auxiliary heat of three-phase electricity is drawn to turn on by controlling switch module closure and controlling the auxiliary heat of three-phase electricity to draw
The neutral conductor conducting gone out;Second control unit includes:Second control module, for being disconnected by controlling switch module to control three
The neutral conductor that the phase line that mutually the auxiliary heat of electricity is drawn disconnects and control the auxiliary heat of three-phase electricity to draw disconnects.
Further, switch module includes multiple switch, and multiple switch includes first switch, the first end of first switch with
Power supply connects, and the second end of first switch is connected with the neutral conductor that the auxiliary heat of three-phase electricity is drawn, when first switch closes, three-phase electricity
The neutral conductor conducting that auxiliary heat is drawn, when first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:First control
Unit processed includes:3rd control module, in the case where receiving first control signal, control first switch to close;The
Two control units include:4th control module, in the case where receiving second control signal, control first switch to be broken
Open.
Further, multiple switch further includes second switch, the 3rd switch and the 4th switch, and the auxiliary heat of three-phase electricity includes first
The auxiliary heat of electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, the phase line that the auxiliary heat of three-phase electricity is drawn include the first phase that the auxiliary heat of the first electricity is drawn
The third phase line that the second phase line and the auxiliary heat of the 3rd electricity that line, the auxiliary heat of the second electricity are drawn are drawn, the first end and power supply of second switch
Connection, the second end of second switch is connected with the first phase line that the auxiliary heat of the first electricity is drawn, and when second switch closes, the first electricity is auxiliary
The first phase line conducting that heat is drawn, when second switch disconnects, the first phase line that the auxiliary heat of the first electricity is drawn disconnects, the 3rd switch
First end is connected with power supply, and the second end of the 3rd switch is connected with the second phase line that the auxiliary heat of the second electricity is drawn, when the 3rd switch closes
During conjunction, the second phase line that the auxiliary heat of the second electricity is drawn turns on, and when the 3rd switches off, the second phase line that the auxiliary heat of the second electricity is drawn is broken
To open, the first end of the 4th switch is connected with power supply, and the second end of the 4th switch is connected with the third phase line that the auxiliary heat of the 3rd electricity is drawn,
When the 4th switch closure, the third phase line conducting of the auxiliary heat extraction of the 3rd electricity, when the 4th switches off, the auxiliary heat of the 3rd electricity is drawn
Third phase line disconnect, wherein:First control unit includes:5th control module, for receiving first control signal
In the case of, control first switch, second switch, third switch and the 4th switch closure;Second control unit includes:6th control
Module, in the case where receiving second control signal, control first switch, second switch, third switch and the 4th to be opened
Shut-off is opened.
Further, switch module is normally opened relay and/or A.C. contactor.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of auxiliary hot control system of three-phase electricity.
The system includes:Controller, for sending control signal, control signal includes first control signal and/or second control signal,
The signal of the first control signal auxiliary heat closure of three-phase electricity in order to control, the letter of the second control signal auxiliary thermal cutoff of three-phase electricity in order to control
Number;And the auxiliary heat of three-phase electricity, if receiving first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn turns on and controls three
The neutral conductor conducting that mutually the auxiliary heat of electricity is drawn, so that the auxiliary heat closure of three-phase electricity, if receiving second control signal, controls three-phase electricity
The neutral conductor that the phase line that auxiliary heat is drawn disconnects and control the auxiliary heat of three-phase electricity to draw disconnects, so that the auxiliary thermal cutoff of three-phase electricity.
Further, which further includes:Switch module, wherein, the auxiliary heat of three-phase electricity is connected by switch module with power supply
Connect, closed by controlling switch module to control the phase line that the auxiliary heat of three-phase electricity is drawn to turn on and control in the auxiliary heat extraction of three-phase electricity
Property line conducting;Disconnected by controlling switch module to control the phase line that the auxiliary heat of three-phase electricity is drawn to disconnect and control the auxiliary heat of three-phase electricity to draw
The neutral conductor gone out disconnects.
Further, switch module includes multiple switch, and multiple switch includes first switch, the first end of first switch with
Power supply connects, and the second end of first switch is connected with the neutral conductor that the auxiliary heat of three-phase electricity is drawn, when first switch closes, three-phase electricity
The neutral conductor conducting that auxiliary heat is drawn, when first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:If connect
Receive first control signal, control first switch closure;And if receiving second control signal, control first switch is broken
Open.
Further, which is normally opened relay and/or A.C. contactor.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of air conditioner.The air conditioner includes this
The auxiliary hot control system of any one three-phase electricity provided is provided.
By the present invention, using following steps:Detect the control signal received;If the control signal received is the
One control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn turn on and control the neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn, so that
The auxiliary heat closure of three-phase electricity, wherein, the first control signal signal that the auxiliary heat of three-phase electricity closes in order to control;And the if control received
Signal processed is second control signal, and the phase line that the auxiliary heat of control three-phase electricity is drawn disconnects and control the neutral conductor that the auxiliary heat of three-phase electricity is drawn
Disconnect, so that the auxiliary thermal cutoff of three-phase electricity, wherein, the signal of the second control signal auxiliary thermal cutoff of three-phase electricity in order to control, solves phase
The problem of easily occurring the auxiliary hot dry combustion method of three-phase electricity in the technology of pass, causing security risk, due to the neutrality drawn to the auxiliary heat of three-phase electricity
Line carries out the control of closed and disconnected, avoids the safety caused by the neutral conductor of the auxiliary heat extraction of three-phase electricity can not disconnect easily
Hidden danger, and then improve the security that the auxiliary thermal technology of three-phase electricity makees.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the auxiliary hot air-conditioner set of the three-phase electricity in correlation technique;
Fig. 2 is the flow chart of the auxiliary hot control method of three-phase electricity according to embodiments of the present invention;
Fig. 3 is the schematic diagram of the auxiliary hot control device of three-phase electricity according to embodiments of the present invention;
Fig. 4 is the schematic diagram of the auxiliary hot control system of three-phase electricity according to embodiments of the present invention;
Fig. 5 is the schematic diagram of the auxiliary hot air-conditioner set of three-phase electricity according to a first embodiment of the present invention;And
Fig. 6 is the schematic diagram of the auxiliary hot air-conditioner set of three-phase electricity according to a second embodiment of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present application, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
According to an embodiment of the invention, there is provided a kind of auxiliary hot control method of three-phase electricity.
Fig. 2 is the flow chart of the auxiliary hot control method of three-phase electricity according to embodiments of the present invention.As shown in Fig. 2, this method
Comprise the following steps:
Step S101, detects the control signal received.
The control signal that the detection auxiliary heat of three-phase electricity receives, wherein, the control signal that the auxiliary heat of three-phase electricity receives can be
First control signal, or second control signal, the first control signal signal that the auxiliary heat of three-phase electricity closes in order to control, second
The signal of the control signal auxiliary thermal cutoff of three-phase electricity in order to control.
Step S102, if the control signal received is first control signal, the phase line of the auxiliary heat extraction of control three-phase electricity
The neutral conductor conducting for turning on and controlling the auxiliary heat of three-phase electricity to draw, so that the auxiliary heat closure of three-phase electricity.
If the control signal received is first control signal, that is, the auxiliary heat closure of the three-phase electricity in order to control received
Signal, control three-phase electricity it is auxiliary heat draw phase line turn on and control three-phase electricity it is auxiliary heat draw the neutral conductor turn on so that
The auxiliary heat closure of three-phase electricity.After the auxiliary heat closure of three-phase electricity, with power on, the auxiliary heat of three-phase electricity is started to work.
Step S103, if the control signal received is second control signal, the phase line of the auxiliary heat extraction of control three-phase electricity
Disconnect and control the neutral conductor that the auxiliary heat of three-phase electricity is drawn to disconnect, so that the auxiliary thermal cutoff of three-phase electricity.
If the control signal received is second control signal, that is, the auxiliary thermal cutoff of three-phase electricity in order to control received
Signal, control three-phase electricity it is auxiliary heat draw phase line disconnects and control three-phase electricity it is auxiliary heat draw the neutral conductor disconnection so that
The auxiliary thermal cutoff of three-phase electricity.After the auxiliary thermal cutoff of three-phase electricity, disconnected with power supply, the auxiliary heat of three-phase electricity is stopped.
In this embodiment, due to when controlling the auxiliary hot closed and disconnected of three-phase electricity, during heat auxiliary to three-phase electricity is drawn
Property line closed and disconnected also controlled, thus avoid due to three-phase electricity it is auxiliary heat draw the neutral conductor can not disconnect easily
Caused security risk, improves the security that the auxiliary thermal technology of three-phase electricity makees.
Preferably, the auxiliary heat of the three-phase electricity of the embodiment of the present invention is positive temperature coefficient thermo-sensitive material (Positive
Temperature Coefficient, referred to as PTC) the auxiliary heat of three-phase electricity.
Preferably, in embodiments of the present invention, the auxiliary heat of three-phase electricity is connected by switch module with power supply, is opened by control
The neutral conductor that module closure is closed to control the phase line that the auxiliary heat of three-phase electricity is drawn to turn on and control the auxiliary heat of three-phase electricity to draw turns on;Pass through
Controlling switch module is disconnected is broken with the neutral conductor for controlling the phase line that the auxiliary heat of three-phase electricity is drawn to disconnect and controlling the auxiliary heat of three-phase electricity to draw
Open.
Switch module can include multiple switch, and multiple switch includes first switch, the first end and power supply of first switch
Connection, the second end of first switch is connected with the neutral conductor that the auxiliary heat of three-phase electricity is drawn, when first switch closes, the auxiliary heat of three-phase electricity
The neutral conductor conducting of extraction, when first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:If receive
First control signal, control first switch closure;And if receiving second control signal, control first switch disconnects.
By the first switch for setting the neutral conductor drawn with the auxiliary heat of three-phase electricity to be connected, by being closed to first switch
Closure or the disconnection for the neutral conductor that the auxiliary heat of three-phase electricity is drawn are realized in the control either disconnected, are solved in correlation technique easily
The problem of there is the auxiliary hot dry combustion method of three-phase electricity, causing security risk.
Preferably, in embodiments of the present invention, above-mentioned multiple switch includes second switch, the 3rd switch and the 4th is opened
Close, the auxiliary heat of three-phase electricity includes the auxiliary heat of the first electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, and the phase line that the auxiliary heat of three-phase electricity is drawn includes the
The third phase line of the first phase line, the second phase line that the second electric auxiliary heat is drawn and the auxiliary heat extraction of the 3rd electricity that the auxiliary heat of one electricity is drawn, the
The first ends of two switches be connecteds with power supply, and the second end of second switch is connected with the first phase line of the first electric auxiliary hot extraction, when the
During two switch closures, the first phase line conducting that the auxiliary heat of the first electricity is drawn, when second switch disconnects, the of the auxiliary heat extraction of the first electricity
One phase line disconnects, and the 3rd first end switched is connected with power supply, the second end of the 3rd switch and the second of the auxiliary heat extraction of the second electricity
Phase line connects, when the 3rd switch closure, auxiliary hot the second phase line conducting drawn of the second electricity, and when the 3rd switches off, second
The second phase line that the auxiliary heat of electricity is drawn disconnects, and the first end of the 4th switch is connected with power supply, the second end of the 4th switch and the 3rd electricity
The third phase line connection that auxiliary heat is drawn, when the 4th switch closure, third phase line conducting that the auxiliary heat of the 3rd electricity is drawn is opened when the 4th
When shut-off is opened, the third phase line that the auxiliary heat of the 3rd electricity is drawn disconnects, wherein:If receiving first control signal, control first is opened
Pass, second switch, the 3rd switch and the 4th switch closure;And if receiving second control signal, control first switch, the
Two switches, the 3rd switch and the 4th switch off.
By setting the second switch that be connected of the first phase line drawn with the auxiliary heat of three-phase electricity, the with the auxiliary hot extraction of three-phase electricity
Two phase lines connection the 3rd switch, with three-phase electricity it is auxiliary heat draw third phase line be connected the 4th switch, by first switch,
Second switch, the 3rd switch and the 4th switch control that is closed or disconnected, realize the neutral conductor that the auxiliary heat of three-phase electricity draws,
The third phase line that the auxiliary heat of the second phase line, three-phase electricity that the auxiliary heat of the first phase line, three-phase electricity that the auxiliary heat of three-phase electricity is drawn is drawn is drawn
Closure is either disconnected so as to control the auxiliary hot closure of three-phase electricity or disconnection, solves and easily occurs three-phase in correlation technique
The auxiliary hot dry combustion method of electricity, the problem of causing security risk, improves the security that the auxiliary thermal technology of three-phase electricity makees.
Preferably, the switch module of the embodiment of the present invention is normally opened relay and/or A.C. contactor.
In order to ensure the accuracy of the auxiliary hot closure of three-phase electricity or disconnection, switch module in the embodiment of the present invention can be with
Including multiple switch, multiple switch can be normally opened relay, and multiple switch can also be A.C. contactor, can also some open
Close as normally opened relay, other switches are A.C. contactor.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not
The order being same as herein performs shown or described step.
The embodiment of the present invention additionally provides a kind of auxiliary hot control device of three-phase electricity, it is necessary to which explanation, the present invention are implemented
Example the auxiliary hot control device of three-phase electricity can be used for perform the embodiment of the present invention provided be used for the auxiliary hot control of three-phase electricity
Method.Hot control device auxiliary to three-phase electricity provided in an embodiment of the present invention is introduced below.
Fig. 3 is the schematic diagram of the auxiliary hot control device of three-phase electricity according to embodiments of the present invention.As shown in figure 3, the device
Including:Detection unit 10, the first control unit 20 and the second control unit 30.
Detection unit 10, for detecting the control signal received;First control unit 20, in the control received
In the case that signal is first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn turns on and controls what the auxiliary heat of three-phase electricity was drawn
The neutral conductor turns on, so that the auxiliary heat closure of three-phase electricity, wherein, the first control signal signal that the auxiliary heat of three-phase electricity closes in order to control;With
And second control unit 30, in the case of being second control signal in the control signal received, control the auxiliary heat of three-phase electricity
The neutral conductor that the phase line of extraction disconnects and control the auxiliary heat of three-phase electricity to draw disconnects, so that the auxiliary thermal cutoff of three-phase electricity, wherein, the second control
The signal of the signal processed auxiliary thermal cutoff of three-phase electricity in order to control.
In this embodiment, due to auxiliary hot in control three-phase electricity by the first control unit 20 and the second control unit 30
During closed and disconnected, the closed and disconnected of the neutral conductor that heat auxiliary to three-phase electricity is drawn also is controlled, thus avoid due to
The neutral conductor that the auxiliary heat of three-phase electricity is drawn can not disconnect easily caused security risk, improve the safety that the auxiliary thermal technology of three-phase electricity makees
Property.
Preferably, in order to ensure the accuracy of the auxiliary hot closed and disconnected of three-phase electricity, the auxiliary heat of three-phase electricity by switch module with
Power supply is connected, and the first control unit 20 includes:First control module, for being closed by controlling switch module to control three-phase
The phase line that the auxiliary heat of electricity is drawn turns on and controls the neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn;Second control unit 30 includes:Second
Control module, for controlling the phase line that the auxiliary heat of three-phase electricity is drawn to disconnect by the disconnection of controlling switch module and controlling three-phase electricity auxiliary
The neutral conductor that heat is drawn disconnects.
Preferably, in order to which the security that the auxiliary thermal technology of lift three-phase electricity makees, switch module can include multiple switch, Duo Gekai
Pass includes first switch, and the first end of first switch is connected with power supply, second end and the auxiliary heat extraction of three-phase electricity of first switch
The neutral conductor connects, and when first switch closes, the neutral conductor that the auxiliary heat of three-phase electricity is drawn turns on, when first switch disconnects, three-phase
The neutral conductor that the auxiliary heat of electricity is drawn disconnects, wherein:First control unit 20 further includes:3rd control module, for receiving
In the case of one control signal, control first switch closure;Second control unit 30 further includes:4th control module, for
In the case of receiving second control signal, control first switch disconnects.
Alternatively, multiple switch can also include second switch, the 3rd switch and the 4th switch, and the auxiliary heat of three-phase electricity includes the
The auxiliary heat of one electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, the phase line that the auxiliary heat of three-phase electricity is drawn include first that the auxiliary heat of the first electricity is drawn
The third phase line that the second phase line and the auxiliary heat of the 3rd electricity that phase line, the auxiliary heat of the second electricity are drawn are drawn, first end and the electricity of second switch
Source connects, and the second end of second switch is connected with the first phase line that the auxiliary heat of the first electricity is drawn, when second switch closes, the first electricity
The first phase line conducting that auxiliary heat is drawn, when second switch disconnects, the first phase line that the auxiliary heat of the first electricity is drawn disconnects, the 3rd switch
First end be connected with power supply, the 3rd switch second end with second electricity it is auxiliary heat draw the second phase line be connected, when the 3rd switch
During closure, auxiliary hot the second phase line conducting drawn of the second electricity, when the 3rd switches off, the second phase line of the auxiliary heat extraction of the second electricity
Disconnect, the first end of the 4th switch is connected with power supply, and the third phase line that the second end of the 4th switch is drawn with the auxiliary heat of the 3rd electricity connects
Connect, when the 4th switch closure, the third phase line conducting of the auxiliary heat extraction of the 3rd electricity, when the 4th switches off, the 3rd auxiliary heat of electricity
The third phase line of extraction disconnects, wherein:First control unit 20 includes:5th control module, for receiving the first control
In the case of signal, first switch, second switch, third switch and the 4th switch closure are controlled;Second control unit 30 includes:
6th control module, in the case where receiving second control signal, controlling first switch, second switch, third switch
Switched off with the 4th.
Preferably, the switch module of the embodiment of the present invention is normally opened relay and/or A.C. contactor.
Below according to the embodiment of the present invention, there is provided a kind of auxiliary hot control system of three-phase electricity.
Fig. 4 is the schematic diagram of the auxiliary hot control system of three-phase electricity according to embodiments of the present invention.As shown in figure 4, the system
Including:Controller 100 and three-phase electricity auxiliary hot 200.
Controller 100, for sending control signal, control signal includes first control signal and/or second control signal,
First control signal in order to control three-phase electricity it is auxiliary it is hot 200 closure signal, second control signal in order to control three-phase electricity it is auxiliary it is hot 200 disconnect
Signal.
Three-phase electricity auxiliary hot 200, if receiving first control signal, auxiliary hot 200 phase line drawn of control three-phase electricity turns on
And the neutral conductor conducting for controlling three-phase electricity auxiliary hot 200 to draw, so that auxiliary hot 200 closure of three-phase electricity, if receiving the second control
Signal, auxiliary hot 200 phase line drawn of control three-phase electricity disconnect and control auxiliary hot 200 neutral conductor drawn of three-phase electricity to disconnect, so that
Three-phase electricity auxiliary hot 200 disconnects.
In this embodiment, due to when controller 100 controls auxiliary hot 200 closed and disconnected of three-phase electricity, to three-phase electricity
The closed and disconnected of auxiliary hot 200 neutral conductor drawn also is controlled, thus is avoided due in the auxiliary heat extraction of three-phase electricity
Property line can not disconnect easily caused by security risk, improve the security that the auxiliary thermal technology of three-phase electricity makees.
Preferably, in order to ensure the accuracy of the auxiliary hot closed and disconnected of three-phase electricity, the system of the embodiment of the present invention is also wrapped
Include:Switch module, wherein, three-phase electricity auxiliary hot 200 is connected by switch module with power supply, by controlling switch module close with
Auxiliary hot 200 phase line drawn of control three-phase electricity turns on and controls the neutral conductor conducting that three-phase electricity auxiliary hot 200 is drawn;Opened by control
Module is closed to disconnect to control auxiliary hot 200 phase line drawn of three-phase electricity to disconnect and control auxiliary hot 200 neutral conductor drawn of three-phase electricity to break
Open.
Preferably, for the security that the auxiliary thermal technology of lift three-phase electricity makees, the switch module of the embodiment of the present invention is including multiple
Switch, multiple switch include first switch, and the first end of first switch is connected with power supply, the second end and three-phase electricity of first switch
Auxiliary hot 200 neutral conductor connections drawn, when first switch closes, auxiliary hot 200 neutral conductor drawn of three-phase electricity turns on, when first
When switching off, auxiliary hot 200 neutral conductor drawn of three-phase electricity disconnects, wherein:If receiving first control signal, control first
Switch closure;And if receiving second control signal, control first switch disconnects.
Preferably, the switch module of the embodiment of the present invention is normally opened relay and/or A.C. contactor.
Below by taking the switch module of the embodiment of the present invention is normally opened relay as an example.Fig. 5 is the first implementation according to the present invention
The schematic diagram of the auxiliary hot air-conditioner set of three-phase electricity of example.As shown in figure 5, in three phase lines of the auxiliary heat extraction of PTC three-phase electricities and one
Property line, is coupled with one end of the relay 1 of relay operational module, relay 2, relay 3 and relay 4, relay work
The other end for making to connect three relays of the auxiliary hot phase line of PTC three-phase electricities in module is connected to three phase mains phase line L1/L2/L3,
The relay other end that the neutral conductor that the auxiliary heat of PTC three-phase electricities is drawn is connected on relay operational module is connected to three phase mains N.
Relay control module powers on, and is connected by signal wire with relay operational module, control relay work
Four relays in module.When relay control module sends relay pickup signal, relay 1, relay 2, relay 3
It is attracted at the same time with relay 4, the auxiliary hot ON operation of PTC three-phase electricities, when relay control module sends relay cut-off signal,
Relay 1, relay 2, relay 3 and relay 4 simultaneously switch off, and the auxiliary thermal cutoff power supply of PTC three-phase electricities, is stopped.In addition,
Relay 4 may be provided in relay operational module, can also be individually for a module and be arranged in relay control module, also may be used
To be arranged on the outside of relay control module and relay operational module.That is, relay control module can be to relay
Operational module carries out overall control, can also be connected with all relays by bus, is controlled with carrying out a point.Relay control
Molding block can be with past near-field control relay operational module, also remote controlled relay operational module.
It should be noted that Fig. 6 is the schematic diagram of the auxiliary hot air-conditioner set of three-phase electricity according to a second embodiment of the present invention.Such as
Shown in Fig. 6, relay control module and relay operational module can be integrated into control module, control mode as described above,
Details are not described herein.
According to embodiments of the present invention, a kind of air conditioner is additionally provided.The air conditioner include it is provided by the invention any one
The auxiliary hot control system of three-phase electricity.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention and from the limitation of described sequence of movement because
According to the present invention, some steps can use other orders or be carried out at the same time.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
In network unit.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention be not restricted to it is any specific
Hardware and software combines.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
- A kind of 1. auxiliary hot control method of three-phase electricity, it is characterised in that including:Detect the control signal received;If the control signal received is first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn is turned on and controlled described The neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn, so that the auxiliary heat closure of the three-phase electricity, wherein, the first control signal is in order to control The signal of the auxiliary heat closure of three-phase electricity;AndIf the control signal received is second control signal, the phase line that the auxiliary heat of the three-phase electricity is drawn is controlled to disconnect and control The neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, so that the auxiliary thermal cutoff of the three-phase electricity, wherein, the second control signal is Control the signal of the auxiliary thermal cutoff of the three-phase electricity.
- 2. according to the method described in claim 1, it is characterized in that, the auxiliary heat of the three-phase electricity is connected by switch module with power supply Connect, control the phase line that the auxiliary heat of the three-phase electricity is drawn to turn on by controlling the switch module closure and control the three-phase electricity The neutral conductor conducting that auxiliary heat is drawn;Broken by the phase line for controlling the switch module to disconnect to control the auxiliary heat of the three-phase electricity to draw Open and control the neutral conductor that the auxiliary heat of the three-phase electricity is drawn to disconnect.
- It is 3. the multiple to open according to the method described in claim 2, it is characterized in that, the switch module includes multiple switch Pass includes first switch, and the first end of the first switch is connected with power supply, the second end of the first switch and the three-phase The neutral conductor connection that the auxiliary heat of electricity is drawn, when the first switch closes, the auxiliary hot neutral conductor conducting drawn of the three-phase electricity, when When the first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:If receiving the first control signal, the first switch is controlled to close;AndIf receiving the second control signal, the first switch is controlled to disconnect.
- 4. according to the method described in claim 3, it is characterized in that, the multiple switch further includes second switch, the 3rd switch With the 4th switch, the auxiliary heat of three-phase electricity includes the auxiliary heat of the first electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, the auxiliary heat of three-phase electricity The phase line of extraction includes the second phase line and described that the first phase line, the auxiliary heat of the second electricity that the auxiliary heat of the described first electricity is drawn are drawn The third phase line that the auxiliary heat of 3rd electricity is drawn, the first end of the second switch are connected with power supply, the second end of the second switch The first phase line drawn with the auxiliary heat of the described first electricity is connected, when the second switch closes, what the auxiliary heat of the first electricity was drawn First phase line turns on, and when the second switch disconnects, the first phase line that the auxiliary heat of the first electricity is drawn disconnects, and the described 3rd opens The first end of pass is connected with the power supply, and the second phase line that the second end of the 3rd switch is drawn with the auxiliary heat of the described second electricity connects Connect, when the described 3rd switch closure, the second phase line conducting that the auxiliary heat of the second electricity is drawn is switched off when the described 3rd When, the second phase line that the auxiliary heat of the second electricity is drawn disconnects, and the first end of the 4th switch is connected with the power supply, and described the The second ends of four switches be connecteds with the third phase line that the auxiliary heat of the described 3rd electricity is drawn, when the described 4th, which switchs, closes, described the The auxiliary hot third phase line conducting drawn of three electricity, when the described 4th switches off, the third phase line of the auxiliary heat extraction of the 3rd electricity Disconnect, wherein:If receiving the first control signal, the first switch, the second switch, the 3rd switch and institute are controlled State the 4th switch closure;AndIf receiving the second control signal, the first switch, the second switch, the 3rd switch and institute are controlled The 4th is stated to switch off.
- 5. according to the method described in claim 2, it is characterized in that, the switch module connects for normally opened relay and/or exchange Tentaculum.
- A kind of 6. auxiliary hot control device of three-phase electricity, it is characterised in that including:Detection unit, for detecting the control signal received;First control unit, in the case of being first control signal in the control signal received, controls the auxiliary heat of three-phase electricity The phase line of extraction turns on and controls the neutral conductor conducting that the auxiliary heat of the three-phase electricity is drawn, so that the auxiliary heat closure of the three-phase electricity, its In, the first control signal signal that the auxiliary heat of the three-phase electricity closes in order to control;AndSecond control unit, in the case of being second control signal in the control signal received, controls the three-phase electricity The neutral conductor that the phase line that auxiliary heat is drawn disconnects and control the auxiliary heat of the three-phase electricity to draw disconnects, so that the auxiliary heat of the three-phase electricity is disconnected Open, wherein, the signal of the second control signal auxiliary thermal cutoff of the three-phase electricity in order to control.
- 7. device according to claim 6, it is characterised in that the auxiliary heat of three-phase electricity is connected by switch module with power supply Connect, first control unit includes:First control module, for by controlling the switch module closure to control described three The phase line that mutually the auxiliary heat of electricity is drawn turns on and controls the neutral conductor conducting that the auxiliary heat of the three-phase electricity is drawn;The second control unit bag Include:Second control module, breaks for the phase line by controlling the switch module to disconnect to control the auxiliary heat of the three-phase electricity to draw Open and control the neutral conductor that the auxiliary heat of the three-phase electricity is drawn to disconnect.
- 8. device according to claim 7, it is characterised in that the switch module includes multiple switch, the multiple to open Pass includes first switch, and the first end of the first switch is connected with power supply, the second end of the first switch and the three-phase The neutral conductor connection that the auxiliary heat of electricity is drawn, when the first switch closes, the auxiliary hot neutral conductor conducting drawn of the three-phase electricity, when When the first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:First control unit includes:3rd control module, in the case where receiving the first control signal, controlling Make the first switch closure;AndSecond control unit includes:4th control module, in the case where receiving the second control signal, controlling The first switch is made to disconnect.
- 9. device according to claim 8, it is characterised in that the multiple switch further includes second switch, the 3rd switch With the 4th switch, the auxiliary heat of three-phase electricity includes the auxiliary heat of the first electricity, the auxiliary heat of the second electricity and the 3rd auxiliary heat of electricity, the auxiliary heat of three-phase electricity The phase line of extraction includes the second phase line and described that the first phase line, the auxiliary heat of the second electricity that the auxiliary heat of the described first electricity is drawn are drawn The third phase line that the auxiliary heat of 3rd electricity is drawn, the first end of the second switch are connected with power supply, the second end of the second switch The first phase line drawn with the auxiliary heat of the described first electricity is connected, when the second switch closes, what the auxiliary heat of the first electricity was drawn First phase line turns on, and when the second switch disconnects, the first phase line that the auxiliary heat of the first electricity is drawn disconnects, and the described 3rd opens The first end of pass is connected with the power supply, and the second phase line that the second end of the 3rd switch is drawn with the auxiliary heat of the described second electricity connects Connect, when the described 3rd switch closure, the second phase line conducting that the auxiliary heat of the second electricity is drawn is switched off when the described 3rd When, the second phase line that the auxiliary heat of the second electricity is drawn disconnects, and the first end of the 4th switch is connected with the power supply, and described the The second ends of four switches be connecteds with the third phase line that the auxiliary heat of the described 3rd electricity is drawn, when the described 4th, which switchs, closes, described the The auxiliary hot third phase line conducting drawn of three electricity, when the described 4th switches off, the third phase line of the auxiliary heat extraction of the 3rd electricity Disconnect, wherein:First control unit includes:5th control module, in the case where receiving the first control signal, controlling Make the first switch, the second switch, the 3rd switch and the 4th switch closure;AndSecond control unit includes:6th control module, in the case where receiving the second control signal, controlling The first switch, the second switch, the 3rd switch and the described 4th is made to switch off.
- 10. device according to claim 7, it is characterised in that the switch module connects for normally opened relay and/or exchange Tentaculum.
- A kind of 11. auxiliary hot control system of three-phase electricity, it is characterised in that including:Controller, for sending control signal, the control signal includes first control signal and/or second control signal, institute State the signal of the first control signal auxiliary heat closure of three-phase electricity in order to control, the second control signal auxiliary heat of the three-phase electricity in order to control The signal of disconnection;AndThe auxiliary heat of three-phase electricity, if receiving the first control signal, the phase line that the auxiliary heat of control three-phase electricity is drawn is turned on and controlled The neutral conductor conducting that the auxiliary heat of three-phase electricity is drawn, so that the auxiliary heat closure of the three-phase electricity, if receiving second control Signal, controls the neutral conductor that the phase line that the auxiliary heat of the three-phase electricity is drawn disconnects and control the auxiliary heat of the three-phase electricity to draw to disconnect, with Make the auxiliary thermal cutoff of the three-phase electricity.
- 12. system according to claim 11, it is characterised in that the system also includes:Switch module, wherein, the auxiliary heat of three-phase electricity is connected by the switch module with power supply, by controlling the switch Module closure is led with the neutral conductor for controlling the phase line that the auxiliary heat of the three-phase electricity is drawn to turn on and controlling the auxiliary heat of the three-phase electricity to draw It is logical;Control the phase line that the auxiliary heat of the three-phase electricity is drawn to disconnect by controlling the switch module to disconnect and control the three-phase electricity The neutral conductor that auxiliary heat is drawn disconnects.
- 13. system according to claim 12, it is characterised in that the switch module includes multiple switch, the multiple Switch includes first switch, and the first end of the first switch is connected with the power supply, the second end of the first switch and institute The neutral conductor connection that the auxiliary heat of three-phase electricity is drawn is stated, when the first switch closes, the neutral conductor of the auxiliary heat extraction of three-phase electricity Conducting, when the first switch disconnects, the neutral conductor that the auxiliary heat of three-phase electricity is drawn disconnects, wherein:If receive described First control signal, controls the first switch to close;And if receiving the second control signal, control described first Switch off.
- 14. system according to claim 12, it is characterised in that the switch module is normally opened relay and/or exchange Contactor.
- 15. a kind of air conditioner, it is characterised in that it is auxiliary that the air conditioner includes three-phase electricity any one of claim 11 to 14 The control system of heat.
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CN105698336A (en) * | 2016-02-01 | 2016-06-22 | 四川长虹电器股份有限公司 | Sectional heating control system and method for sectional electric heating tube |
CN106918123A (en) * | 2017-04-05 | 2017-07-04 | 珠海格力电器股份有限公司 | Three-phase electricity heater control device and method |
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CN1450701A (en) * | 2002-04-10 | 2003-10-22 | 上海工业锅炉研究所 | Phase loss (off) alarm protector for electric heating component of electric boiler |
KR20090085894A (en) * | 2008-02-05 | 2009-08-10 | 엘지전자 주식회사 | Air conditioner and controlling method thereof |
CN103955246A (en) * | 2014-05-12 | 2014-07-30 | 珠海格力电器股份有限公司 | Electric heater control system and method |
CN104390327A (en) * | 2014-10-24 | 2015-03-04 | 珠海格力电器股份有限公司 | Three-phase PTC (Positive Temperature Coefficient) heater bracket and air conditioner |
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JPS5661528A (en) * | 1979-10-24 | 1981-05-27 | Hitachi Ltd | Controlling circuit for air-cooled heat pump type air conditioner |
CN1450701A (en) * | 2002-04-10 | 2003-10-22 | 上海工业锅炉研究所 | Phase loss (off) alarm protector for electric heating component of electric boiler |
KR20090085894A (en) * | 2008-02-05 | 2009-08-10 | 엘지전자 주식회사 | Air conditioner and controlling method thereof |
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