CN106918123A - Three-phase electricity heater control device and method - Google Patents
Three-phase electricity heater control device and method Download PDFInfo
- Publication number
- CN106918123A CN106918123A CN201710219993.5A CN201710219993A CN106918123A CN 106918123 A CN106918123 A CN 106918123A CN 201710219993 A CN201710219993 A CN 201710219993A CN 106918123 A CN106918123 A CN 106918123A
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- China
- Prior art keywords
- phase
- contactor
- electric heater
- neutral conductor
- controlled
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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 heater control device and method.Wherein, the device includes：A.C. contactor and master control borad AP, A.C. contactor, in the phase line and the neutral conductor in access three-phase electric heater, for being separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater；Master control borad AP, is connected with A.C. contactor, is controlled for the opening and closing to A.C. contactor.The present invention is solved because electric heater three-phase is controlled simultaneously in correlation technique, the low technical problem of the heating efficiency for bringing.
Description
Technical field
The present invention relates to field of circuit control, in particular to a kind of three-phase electricity heater control device and method.
Background technology
In correlation technique, the auxiliary heat of three-phase electricity is controlled with air-conditioner set using three-pole AC contactor, and Fig. 1 is according to existing
There is the schematic diagram of the electric heater of the A.C. contactor control of technology, as shown in figure 1, three-phase is opened simultaneously, simultaneously close off.Work as machine
Respectively in wind high shelves, apoplexy shelves and low wind shelves, three-phase can be opened group simultaneously.However, in apoplexy shelves and low wind shelves, while
The auxiliary heat of three-phase electricity is opened, not only heating efficiency is low, and there is electric heater radiating relatively slowly, so as to cause heat to dissipate in time
Hair, may further cause corresponding potential safety hazard.
For in above-mentioned correlation technique because electric heater three-phase is controlled simultaneously, the low problem of the heating efficiency that brings, mesh
It is preceding not yet to propose effective solution.
The content of the invention
A kind of three-phase electricity heater control device and method are the embodiment of the invention provides, at least to solve correlation technique
In controlled simultaneously due to electric heater three-phase, the low technical problem of the heating efficiency that brings.
A kind of one side according to embodiments of the present invention, there is provided three-phase electricity heater control device, including：Exchange connects
Tentaculum and master control borad AP, A.C. contactor, in the phase line and the neutral conductor in access three-phase electric heater, for three-phase electrical heating
The three-phase in phase line and the neutral conductor in device is separately controlled；Master control borad AP, is connected with A.C. contactor, for A.C. contactor
Opening and closing be controlled.
Alternatively, A.C. contactor includes：Three the first A.C. contactors, individually in access three-phase electric heater
In every a pair of phase lines and the neutral conductor, for being individually controlled to the three-phase in three-phase electric heater.
Alternatively, A.C. contactor includes：One the second A.C. contactor, accesses any two pairs in three-phase electric heater
In phase line and the neutral conductor, for being controlled to any two-phase in three-phase electric heater three-phase；One the 3rd A.C. contactor,
Access three-phase electric heater in any two pairs of phase lines and the neutral conductor outside it is another to phase line and the neutral conductor in, for another
A phase control corresponding to phase line and the neutral conductor.
Alternatively, A.C. contactor is onboard relay.
Another aspect according to embodiments of the present invention, additionally provides a kind of air-conditioner, including：Motor, three-phase electricity adds
Hot device and above-mentioned device, motor, for being run according to different blower fan gears；Three-phase electric heater, for according to master
The control of control plate AP is electrically heated.
Alternatively, master control borad AP, is additionally operable to detect the blower fan gear of motor operation, the blower fan of the motor operation according to detection
Gear, the opening and closing to A.C. contactor is controlled.
Alternatively, master control borad AP, is additionally operable to：When motor operation is detected in wind high shelves, by controlling A.C. contactor,
So that the three-phase of three-phase electric heater is both turned on；When motor operation is detected in apoplexy shelves, by controlling A.C. contactor, make
Obtain three-phase electric heater two are conducted；When motor operation is detected in low wind shelves, by controlling A.C. contactor so that three
The one of phase electric heater is conducted.
Alternatively, three-phase electric heater is electric heating tube, or positive temperature coefficient PTC-ceramic.
Another aspect according to embodiments of the present invention, additionally provides a kind of three-phase electricity method for controlling heater, including：
It is determined that for accessing the control signal that the A.C. contactor in the phase line and the neutral conductor in three-phase electricity heater is controlled；Root
According to control signal, the three-phase in the phase line and the neutral conductor in three-phase electric heater is separately controlled.
Alternatively, according to control signal, bag is separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater
Include：In the case where A.C. contactor includes three the first A.C. contactors, using three the first A.C. contactors individually
Three-phase in three-phase electric heater is controlled, wherein, three the first A.C. contactors individually access three-phase electrical heating
In every a pair of phase lines and the neutral conductor in device.
Alternatively, according to control signal, bag is separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater
Include：In the case where A.C. contactor includes second A.C. contactor and the 3rd A.C. contactor, by accessing three
Second A.C. contactor in any two pairs of phase lines and the neutral conductor in phase electric heater, in three-phase electric heater three-phase
Any two-phase be controlled；It is another to phase outside any two pairs of phase lines and the neutral conductor in three-phase electric heater by accessing
The 3rd A.C. contactor in line and the neutral conductor, to an another phase control corresponding to phase line and the neutral conductor.
Alternatively, according to control signal, bag is separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater
Include：When motor operation is detected in wind high shelves, the three-phase for controlling three-phase electric heater according to control signal is both turned on；In detection
To motor operation when the apoplexy shelves, two being conducted for three-phase electric heater is controlled according to control signal；Detecting motor operation
When low wind shelves, control three-phase electric heater according to control signal one is conducted.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein, equipment where control storage medium performs following operation when program is run：It is determined that being used to add to accessing three-phase electricity
The control signal that the A.C. contactor in phase line and the neutral conductor in hot device is controlled；According to control signal, to three-phase electricity plus
The three-phase in phase line and the neutral conductor in hot device is separately controlled.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, it is characterised in that processor is used
In operation program, wherein, following operation is performed when program is run：It is determined that for access three-phase electricity heater in phase line and in
The control signal that A.C. contactor in property line is controlled；According to control signal, to the phase line in three-phase electric heater with
Three-phase in property line is separately controlled.
In embodiments of the present invention, A.C. contactor is linked into the phase line and center line in three-phase electric heater, so that
Three-phase in phase line and the neutral conductor in phase line electrical heating is separately controlled, the master control being connected with A.C. contactor is then recycled
Opening and closings of the plate AP to A.C. contactor is controlled.Due in the embodiment in the phase line and the neutral conductor in three-phase electric heater
Three lines be separately controlled, overcome electric heater three-phase in correlation technique and open simultaneously, the drawbacks of the heating efficiency for bringing is low, enter
And electric heater three-phase control simultaneously in correlation technique is solved, the low technical problem of the heating efficiency for bringing improves client
Experience.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the electric heater controlled according to the A.C. contactor of prior art；
Fig. 2 is the schematic diagram of three-phase electricity heater control device according to embodiments of the present invention；
Fig. 3 is the schematic diagram of air-conditioner according to embodiments of the present invention；
Fig. 4 is the flow chart of three-phase electricity method for controlling heater according to embodiments of the present invention；
Fig. 5 is the flow chart of optional three-phase electricity method for controlling heater according to embodiments of the present invention；And
Fig. 6 is the schematic diagram of the electric heater of adjustable control according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
Regarding to the issue above, A.C. contactor is employed in an embodiment of the present invention, in access three-phase electric heater
In phase line and the neutral conductor, the three-phase in the phase line and the neutral conductor in three-phase electric heater is separately controlled；And and ac contactor
The master control borad AP of device connection, the opening and closing to A.C. contactor is controlled.It is specifically described below.
A kind of one side according to embodiments of the present invention, there is provided three-phase electricity heater control device, Fig. 2 is according to this
The schematic diagram of the three-phase electricity heater control device of inventive embodiments, as shown in Fig. 2 the three-phase electric heating control device includes：
A.C. contactor 21 and master control borad AP23.It is specifically described below.
A.C. contactor 21, in the phase line and the neutral conductor in access three-phase electric heater, in three-phase electric heater
Phase line and the neutral conductor in three-phase be separately controlled.
Master control borad AP23, is connected with A.C. contactor, is controlled for the opening and closing to A.C. contactor.
By above-described embodiment, A.C. contactor 21 is linked into the phase line and center line in three-phase electric heater, so that
Three-phase in phase line and the neutral conductor in phase line electrical heating is separately controlled, the master being connected with A.C. contactor 21 is then recycled
Opening and closings of the control plate AP23 to A.C. contactor 21 is controlled.Due in the embodiment to the phase line in three-phase electric heater and in
Property line in three lines be separately controlled, overcome electric heater three-phase in correlation technique controls simultaneously, and the heating efficiency for bringing is low
Drawback, and then electric heater three-phase control simultaneously in correlation technique is solved, the low technical problem of the heating efficiency for bringing is improved
Customer experience.
It should be noted that being separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater, can have many
The mode of kind, is specifically described below.
Three-phase in phase line and the neutral conductor in three-phase electric heater is separately controlled, A.C. contactor can include：Three
Individual first A.C. contactor, individually in every a pair of the phase lines and the neutral conductor in access three-phase electric heater, for single respectively
Solely the three-phase in three-phase electric heater is controlled.
In addition, A.C. contactor can include：One the second A.C. contactor, in access three-phase electric heater any two
In to phase line and the neutral conductor, for being controlled to any two-phase in three-phase electric heater three-phase；One the 3rd ac contactor
Device, access three-phase electric heater in any two pairs of phase lines and the neutral conductor outside it is another to phase line and the neutral conductor in, for right
An another phase control corresponding to phase line and the neutral conductor.
It should be noted that the species of A.C. contactor has a lot, A.C. contactor in embodiments of the present invention is plate
Carry relay.
Another aspect according to embodiments of the present invention, additionally provides a kind of air-conditioner, and Fig. 3 is implemented according to the present invention
The schematic diagram of the air-conditioner of example, as shown in figure 3, the air-conditioner can include：Motor 31, three-phase electric heater 33 and any of the above-described
The device of item.It is specifically described below.
Motor 31, for being run according to different blower fan gears.
Three-phase electric heater 33, for being electrically heated according to the control of master control borad AP.
By above-described embodiment, motor 31 can be controlled according to different blower fan gears to the running status of air-conditioner
System, it is only while the drawbacks of opening or simultaneously close off, and then to solve phase to overcome in correlation technique to the control of blower fan shelves
Electric heater three-phase is controlled simultaneously in the technology of pass, the low technical problem of the heating efficiency for bringing, and improves customer experience.
It should be noted that master control borad AP, can be also used for detecting the blower fan gear of motor operation, according to the motor of detection
The blower fan gear of operation, the opening and closing to A.C. contactor is controlled.
In addition, master control borad AP, can be also used for：When motor operation is detected in wind high shelves, by controlling ac contactor
Device so that the three-phase of three-phase electric heater is both turned on；When motor operation is detected in apoplexy shelves, by controlling ac contactor
Device so that the two of three-phase electric heater are conducted；When motor operation is detected in low wind shelves, by controlling A.C. contactor,
So that the one of three-phase electric heater is conducted.
It should be noted that three-phase electric heater can be electric heating tube, or positive temperature coefficient PTC (positive
Temperature coefficient, i.e. thermistor) ceramics.
According to embodiments of the present invention, there is provided a kind of embodiment of the method for three-phase electricity method for controlling heater is, it is necessary to illustrate
, can be held in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated
OK, and, although show logical order in flow charts, but in some cases, can be with different from order herein
Perform shown or described step.
Fig. 4 is the flow chart of three-phase electricity method for controlling heater according to embodiments of the present invention, as shown in figure 4, the three-phase
Electric heater control method comprises the following steps：
Step S402, it is determined that for being carried out to accessing the A.C. contactor in the phase line and the neutral conductor in three-phase electricity heater
The control signal of control.
Step S404, according to control signal, is separately controlled to the three-phase in the phase line and the neutral conductor in three-phase electric heater.
By above-described embodiment, it is determined that for accessing the ac contactor in the phase line and the neutral conductor in three-phase electricity heater
The control signal that device is controlled, further according to control signal, to the three-phase separate in the phase line and the neutral conductor in three-phase electric heater
Control is opened, rather than to controlling together the three-phase in the phase line and the neutral conductor in three-phase electric heater, and then correlation is solved
Electric heater three-phase is controlled simultaneously in technology, the low technical problem of the heating efficiency for bringing, and improves customer experience.
In above-mentioned steps S402 to step S404, it is determined that for accessing phase line and the neutral conductor in three-phase electricity heater
In the control signal that is controlled of A.C. contactor, further according to control signal, to phase line and neutrality in three-phase electric heater
Three-phase in line is separately controlled, and improves the flexibility of three-phase electricity method for controlling heater.
Specifically, according to control signal, the three-phase in the phase line and the neutral conductor in three-phase electric heater is separately controlled can
To include：In the case where A.C. contactor includes three the first A.C. contactors, distinguished using three the first A.C. contactors
Individually the three-phase in three-phase electric heater is controlled, wherein, three the first A.C. contactors individually access three-phase electricity
In every a pair of phase lines and the neutral conductor in heater.
Additionally, according to control signal, the three-phase in the phase line and the neutral conductor in three-phase electric heater is separately controlled can
To include：In the case where A.C. contactor includes second A.C. contactor and the 3rd A.C. contactor, by connecing
Enter second A.C. contactor in any two pairs of phase lines and the neutral conductor in three-phase electric heater, to three-phase electric heater three
Any two-phase in phase is controlled；It is another outside any two pairs of phase lines and the neutral conductor in three-phase electric heater by accessing
The 3rd A.C. contactor in phase line and the neutral conductor, to an another phase control corresponding to phase line and the neutral conductor.
It should be noted that according to control signal, being separated to the three-phase in the phase line and the neutral conductor in three-phase electric heater
Control can include：When motor operation is detected in wind high shelves, controlled the three-phase of three-phase electric heater equal according to control signal
Conducting；When motor operation is detected in apoplexy shelves, control three-phase electric heater according to control signal two are conducted；In detection
To motor operation when the low wind shelves, being conducted for three-phase electric heater is controlled according to control signal.
Above-described embodiment is described in detail with reference to Fig. 5.Fig. 5 is optional three-phase according to embodiments of the present invention
The flow chart of electric heater control method, as shown in figure 5, the three-phase electricity method for controlling heater may include steps of：
S501：Judge whether blower fan processes start heating mode, where it has, S502 is performed, in a case of no,
Perform S503.
S502：Closure A.C. contactor.
S503：A.C. contactor is disconnected, S501 is then performed.
S504：Judge whether blower fan opens wind shelves high, where it has, performing S505, in a case of no, perform
S506。
S505：Into quick heating mode, S506 is then performed.
S506：Judge whether blower fan opens middle-grade, where it has, performing S507, in a case of no, perform
S508。
S507：Comfortable heating mode is carried out, S508 is then performed.
S508：Judge whether blower fan opens low grade, where it has, performing S509, in a case of no, perform
S501。
S509：Into energy-saving heat-production pattern.
A preferred embodiment of the invention is described in detail with reference to Fig. 6.
As shown in fig. 6, being contacted by each phase line in the auxiliary thermal control circuit of three-phase electricity and neutral conductor incoming transport
Device KM1, KM2, KM3, KM4, individually each phase in control three-phase electrical heating, meets the need that air-conditioner generates heat in each air quantity
Ask.
There can be various electrical heating opening ways with reference to air-conditioning heating system：
1st, when air-conditioning is quickly heated, indoor apparatus of air conditioner is run with wind high shelves, and mainboard detects the high-grade operation of motor, to exchange
The upper electricity of loop A 1, A2 of contactor KM1, KM2, KM3, KM4, A.C. contactor KM1, KM2, KM3, KM4 contact adhesives, electric auxiliary heat
Three-phase and the neutral conductor are turned on, and electricity auxiliary hot EH1, EH2, EH3 start working, and now unit wind speed is maximum, and radiating effect is best, three-phase
Electrical heating is all come into operation, and the heating effect of the auxiliary heat of electricity is best.
2nd, when air-conditioning is comfortably heated, indoor apparatus of air conditioner is run with apoplexy shelves, and mainboard detects middle-grade operation, to ac contactor
In device KM1, KM2, KM3 the loop A 1, A2 of two contactors and KM4 it is upper electricity, in A.C. contactor KM1, KM2, KM3 two and
The adhesive of KM4 contacts, two-phase and neutral conductor conducting in the auxiliary hot three-phase of electricity, two start-up operations in electricity auxiliary hot EH1, EH2, EH3,
The appropriate reduction auxiliary fever power of electricity, improves user's comfortableness.
3rd, during energy-saving heat-production control, indoor apparatus of air conditioner is run with low wind shelves, and mainboard detects underdrive operating, to A.C. contactor
The upper electricity of the loop A 1, A2 of 1 contactor and KM4 in KM1, KM2, KM3,1 and KM4 is touched in A.C. contactor KM1, KM2, KM3
Point adhesive, 1 phase and the neutral conductor in the auxiliary hot three-phase of electricity are turned on, 1 start-up operation in electricity auxiliary hot EH1, EH2, EH3, now electricity
Auxiliary thermal power only has 1/3 during quick heating, and electric heater small-power works, not only energy-conservation, improves service efficiency, while reducing
Application risk.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein, equipment where control storage medium performs following operation when program is run：It is determined that being used to add to accessing three-phase electricity
The control signal that the A.C. contactor in phase line and the neutral conductor in hot device is controlled；According to control signal, to three-phase electricity plus
The three-phase in phase line and the neutral conductor in hot device is separately controlled.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, it is characterised in that processor is used
In operation program, wherein, following operation is performed when program is run：It is determined that for access three-phase electricity heater in phase line and in
The control signal that A.C. contactor in property line is controlled；According to control signal, to the phase line in three-phase electric heater with
Three-phase in property line is separately controlled.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (14)
1. a kind of three-phase electricity heater control device, it is characterised in that including：A.C. contactor and master control borad AP,
The A.C. contactor, in the phase line and the neutral conductor in the access three-phase electric heater, for adding to the three-phase electricity
The three-phase in phase line and the neutral conductor in hot device is separately controlled；
The master control borad AP, is connected with the A.C. contactor, is controlled for the opening and closing to the A.C. contactor.
2. device according to claim 1, it is characterised in that the A.C. contactor includes：
Three the first A.C. contactors, in individually accessing every a pair of the phase lines and the neutral conductor in the three-phase electric heater,
For being individually controlled to the three-phase in the three-phase electric heater.
3. device according to claim 1, it is characterised in that the A.C. contactor includes：
One the second A.C. contactor, in any two pairs of phase lines and the neutral conductor in the access three-phase electric heater, for right
Described any two-phase in the three-phase electric heater three-phase is controlled；
One the 3rd A.C. contactor, accesses outside the described any two pairs of phase lines and the neutral conductor in the three-phase electric heater
It is another to phase line and the neutral conductor in, for another phase control corresponding to phase line and the neutral conductor.
4. device according to claim 1, it is characterised in that the A.C. contactor is onboard relay.
5. a kind of air-conditioner, it is characterised in that including：Motor, any one of three-phase electric heater and Claims 1-4
Device,
The motor, for being run according to different blower fan gears；
The three-phase electric heater, for being electrically heated according to the control of the master control borad AP.
6. air-conditioner according to claim 5, it is characterised in that the master control borad AP, is additionally operable to detect the motor fortune
Capable blower fan gear, the blower fan gear of the motor operation according to detection, the opening and closing to the A.C. contactor is controlled.
7. air-conditioner according to claim 6, it is characterised in that the master control borad AP, is additionally operable to：
When the motor operation is detected in wind high shelves, by controlling the A.C. contactor so that the three-phase electrical heating
The three-phase of device is both turned on；
When the motor operation is detected in apoplexy shelves, by controlling the A.C. contactor so that the three-phase electrical heating
The two of device are conducted；
When the motor operation is detected in low wind shelves, by controlling the A.C. contactor so that the three-phase electrical heating
The one of device is conducted.
8. air-conditioner according to claim 6, it is characterised in that the three-phase electric heater is electric heating tube, Huo Zhezheng
Temperature system PTC-ceramic.
9. a kind of three-phase electricity method for controlling heater, it is characterised in that including：
It is determined that for accessing the control that the A.C. contactor in the phase line and the neutral conductor in the three-phase electric heater is controlled
Signal processed；
According to the control signal, the three-phase in the phase line and the neutral conductor in the three-phase electric heater is separately controlled.
10. method according to claim 9, it is characterised in that according to the control signal, to the three-phase electric heater
In phase line and the neutral conductor in three-phase be separately controlled including：
In the case where the A.C. contactor includes three the first A.C. contactors, using three first A.C. contactors
Individually the three-phase in the three-phase electric heater is controlled, wherein, three first A.C. contactors are single respectively
In solely accessing every a pair of the phase lines and the neutral conductor in the three-phase electric heater.
11. methods according to claim 9, it is characterised in that according to the control signal, to the three-phase electric heater
In phase line and the neutral conductor in three-phase be separately controlled including：
In the case where the A.C. contactor includes second A.C. contactor and the 3rd A.C. contactor, by connecing
Enter one second A.C. contactor in any two pairs of phase lines and the neutral conductor in the three-phase electric heater, to described three
Described any two-phase in phase electric heater three-phase is controlled；By accessing described any two in the three-phase electric heater
Another outside to phase line and the neutral conductor to phase line and the neutral conductor in one 3rd A.C. contactor, to described another right
Phase line and the corresponding phase control of the neutral conductor.
12. method according to any one of claim 9 to 11, it is characterised in that according to the control signal, to described
The three-phase in phase line and the neutral conductor in three-phase electric heater be separately controlled including：
When motor operation is detected in wind high shelves, the three-phase for controlling the three-phase electric heater according to the control signal is led
It is logical；
When the motor operation is detected in apoplexy shelves, the two-phase of the three-phase electric heater is controlled according to the control signal
Conducting；
When the motor operation is detected in low wind shelves, a phase of the three-phase electric heater is controlled according to the control signal
Conducting.
13. a kind of storage mediums, it is characterised in that the storage medium includes the program of storage, wherein, when described program is run
Equipment where the storage medium is controlled to perform following operation：
It is determined that for accessing the control letter that the A.C. contactor in the phase line and the neutral conductor in three-phase electricity heater is controlled
Number；
According to the control signal, the three-phase in the phase line and the neutral conductor in the three-phase electric heater is separately controlled.
A kind of 14. processors, it is characterised in that the processor be used for operation program, wherein, described program run when perform with
Lower operation：
It is determined that for accessing the control letter that the A.C. contactor in the phase line and the neutral conductor in three-phase electricity heater is controlled
Number；
According to the control signal, the three-phase in the phase line and the neutral conductor in the three-phase electric heater is separately controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219993.5A CN106918123A (en) | 2017-04-05 | 2017-04-05 | Three-phase electricity heater control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710219993.5A CN106918123A (en) | 2017-04-05 | 2017-04-05 | Three-phase electricity heater control device and method |
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| Publication Number | Publication Date |
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| CN106918123A true CN106918123A (en) | 2017-07-04 |
Family
ID=59567139
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710219993.5A Pending CN106918123A (en) | 2017-04-05 | 2017-04-05 | Three-phase electricity heater control device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114413424A (en) * | 2022-01-27 | 2022-04-29 | 佛山市顺德区美的电子科技有限公司 | Preheating control method, device and control system of compressor |
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Application publication date: 20170704 |