CN106877308B - Single-phase power supply unit and control method thereof - Google Patents
Single-phase power supply unit and control method thereof Download PDFInfo
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- CN106877308B CN106877308B CN201710174846.0A CN201710174846A CN106877308B CN 106877308 B CN106877308 B CN 106877308B CN 201710174846 A CN201710174846 A CN 201710174846A CN 106877308 B CN106877308 B CN 106877308B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000004378 air conditioning Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
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- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a single-phase power supply unit and a control method thereof. Wherein, this single-phase power supply unit includes: the main board is provided with a strong current power supply interface and a weak current communication interface; the detection unit is arranged on the mainboard and used for detecting whether a strong power supply interface on the mainboard is powered on or not; the controller is arranged on the mainboard and used for controlling the actuation of the relay under the condition that the detection unit detects the power supply of the strong power supply interface on the mainboard, wherein the relay is arranged on the mainboard and comprises the following working states: the relay attracting state and the relay disconnection state, under the relay attracting state, single-phase power supply unit work, under the condition that detects the forceful electric power supply interface on the mainboard and does not have the power, the relay is in the disconnection state, and single-phase power supply unit is out of work. The invention solves the technical problem of circuit damage caused by the access of strong electricity to the weak electricity communication interface of the power supply unit.
Description
Technical field
The present invention relates to electrical equipment control fields, in particular to a kind of single phase power supply unit and its control method.
Background technique
In current electric power supply unit, multiple interfaces are had at electrical apparatus interface, existing forceful electric power interface has light current to connect again
Mouthful, however, most electric power supply units communicate by the way of two cores communication factory not wiring, i.e., in existing technical solution,
Connecting line corresponding interface position (including above-mentioned forceful electric power interface and light current interface) is not linked into, therefore user is pacifying
When dress, it is easy to which forceful electric power (AC220V) misconnection, which is entered light current communication interface, causes light current communicating circuit to burn, in existing communication
In light current interface, the protection circuit of interface is only capable of protection moment surge, cannot bear prolonged forceful electric power access, therefore inciting somebody to action
The communication mainboard of electric appliance is caused to damage.
When accessing forceful electric power for the problem that the above-mentioned light current communication interface in power supply unit, circuit is caused to damage, at present still
It does not put forward effective solutions.
Summary of the invention
The embodiment of the invention provides a kind of single phase power supply unit and its control methods, at least to solve in power supply unit
When light current communication interface accesses forceful electric power, the technical issues of causing circuit to damage.
According to an aspect of an embodiment of the present invention, a kind of single phase power supply unit is provided, comprising: mainboard, wherein described
Forceful electric power power interface and light current communication interface are provided on mainboard；Detection unit, setting are on the main board, described for detecting
Whether the forceful electric power power interface on mainboard powers on；Controller is arranged on the mainboard, for detecting in the detection unit
In the case that forceful electric power power interface on to the mainboard powers on, control relay is attracted, wherein the relay, if
Set on the main board, the relay includes following working condition: the relay attracting state and the relay disconnect
State, the single phase power supply unit work, detects the mainboard in the detection unit under the relay attracting state
On forceful electric power power interface access failure power supply in the case where, the relay is in an off state, the relay disconnect shape
The single phase power supply unit does not work under state.
Further, the controller further include: single-chip microcontroller, for being connect in the forceful electric power power interface for detecting the mainboard
In the case where energization source, triggering target control instruction, the target control instruction is used to indicate the control relay and is attracted.
Further, relay is arranged at light current communication interface on the main board.
According to another aspect of an embodiment of the present invention, a kind of control method of single phase power supply unit is provided, comprising: detection
Whether the forceful electric power power interface on single phase power supply unit powers on；Detecting the forceful electric power power supply on the single phase power supply unit
In the case that interface powers on, the relay controlled on the mainboard of the single phase power supply unit is attracted, wherein the relay
Including following working condition: the relay attracting state and the relay off-state, in the relay attracting state
Under single phase power supply unit work, detect the forceful electric power power interface access failure power supply on the mainboard in the detection unit
In the case where, the relay is in an off state, and in the relay, the single phase power supply unit does not work when it is disconnected.
Further, in the case where forceful electric power power interface powers on the detection single phase power supply unit, control
Making the relay on the mainboard of the single phase power supply unit and being attracted includes: to detect the forceful electric power electricity on the single phase power supply unit
In the case that source interface powers on, triggering target control instruction, wherein the target control instruction is used to indicate described in control
Relay is attracted.
According to another aspect of an embodiment of the present invention, a kind of control device of single phase power supply unit is additionally provided, comprising: inspection
Module is surveyed, whether the forceful electric power power interface for detecting on single phase power supply unit powers on；Control module, for detecting
In the case that forceful electric power power interface on the single phase power supply unit powers on, on the mainboard that controls the single phase power supply unit
Relay be attracted, wherein the relay includes following working condition: the relay attracting state and the relay are disconnected
Open state, the single phase power supply unit work, detects the master in the detection unit under the relay attracting state
In the case where forceful electric power power interface access failure power supply on plate, the relay is in an off state, and is disconnected in the relay
The single phase power supply unit does not work under state.
Further, the control module is also used to detecting that the forceful electric power power interface on the single phase power supply unit connects
In the case where energization source, triggering target control instruction, wherein the target control instruction is used to indicate the control relay and inhales
It closes.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein described program operation when control the storage medium where equipment execute any one of above-described embodiment
The control method of the single phase power supply unit.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, the processor is used to run program,
Wherein, the control method of single phase power supply unit described in any one of above-described embodiment is executed when described program is run.
According to another aspect of an embodiment of the present invention, any one of a kind of air-conditioning, including above-described embodiment are additionally provided
The single phase power supply unit.
In embodiments of the present invention, detect whether forceful electric power power interface on single phase power supply unit connects electricity by detection unit
Source, in the case where detection unit detects that the forceful electric power power interface on mainboard powers on, control relay is attracted, so that
Single phase power supply unit can work, and in the case where detecting the forceful electric power power interface access failure power supply on mainboard, mainboard does not have
Power input, relay disconnect automatically, at this point, single phase power supply unit is not received by communication letter when relay is in and disconnects
Breath, will not work.According to embodiments of the present invention, power supply can be made when misconnection enters light current communication interface, relay can be located
In off-state, in this way, the circuit of single phase power supply unit will not damage when forceful electric power misconnection enters light current communication interface, thus
The technical issues of solving when the light current communication interface of power supply unit accesses forceful electric power, circuit is caused to damage, reaches in single phase power supply
When the light current communication interface of unit accesses forceful electric power, it effectively prevent the effect of power supply unit circuit damage.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of single phase power supply unit according to an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the control method of optional single phase power supply unit according to an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of optional single phase power supply unit according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of the control device of another optional single phase power supply unit according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The part term occurred suitable for the embodiment of the present invention is explained below:
Monophase machine refers to single phase alternating current power supply (AC220V) power supply with the single-phase of forceful electric power power supply and light current communication function
Power supply unit is a kind of device for converting electrical energy into mechanical energy, only single phase poaer supply is needed to power, easy to use, when single-phase sine
When electric current passes through stator winding, motor will generate an alternating magnetic field.What the single phase power supply unit in the embodiment of the present invention referred to
It is the unit of single-phase electricity power supply (AC220V).
Relay is a kind of electric control device, it have control system (also known as input circuit) and by control system (also known as
Output loop) between interactive relationship.
Single-chip microcontroller, full name one chip microcomputer (Single-Chip Microcomputer) are processor, storage
Device, Timer/Counter, various input/output interfaces etc. are all integrated in the microcontroller of one piece of ic core on piece.
Specific embodiment of the invention is illustrated below.
Fig. 1 is a kind of schematic diagram of single phase power supply unit according to an embodiment of the present invention, as shown in Figure 1, the single phase power supply
Unit includes:
Mainboard 11, wherein forceful electric power power interface 12 and light current communication interface 13 are provided on mainboard 11.
Detection unit 14 is arranged on mainboard 11, and whether the forceful electric power power interface 12 for detecting on mainboard 11 connects electricity
Source.
Controller 15 is arranged on mainboard 11, for detecting the forceful electric power power interface 12 on mainboard in detection unit 14
In the case where powering on, control relay 16 be attracted, wherein relay 16, be arranged on mainboard 11, relay 16 include with
Lower working condition: 16 off-state of 16 attracting state of relay and relay, the single-phase power supply machine under 16 attracting state of relay
Group work, in the case where detection unit 14 detects the 12 access failure power supply of forceful electric power power interface on mainboard 11, relay 16
It is in an off state, in relay 16, single phase power supply unit does not work when it is disconnected.
Through the foregoing embodiment, detection unit 14 can detecte whether forceful electric power power interface on single phase power supply unit connects electricity
Source, in the case where detection unit 14 detects that the forceful electric power power interface 12 on mainboard 11 powers on, control relay 16 is inhaled
It closes, so that single phase power supply unit can work, in the feelings for detecting the 12 access failure power supply of forceful electric power power interface on mainboard 11
Under condition, 16 relay of relay disconnects automatically, at this point, when relay 16 is in and disconnects, single phase power supply unit is not received by
Communication information will not work.According to embodiments of the present invention, power supply can be made when misconnection enters light current communication interface 13, after
Electric appliance 16 can be in an off state, in this way, the circuit of single phase power supply unit will not when forceful electric power misconnection enters light current communication interface
Damage, so that the technical issues of solving when the light current communication interface of power supply unit accesses forceful electric power, circuit is caused to damage, reaches
When the light current communication interface of single phase power supply unit accesses forceful electric power, it effectively prevent the effect of power supply unit circuit damage.
Optionally, above-mentioned single phase power supply unit can be adapted for various power interfaces, which can be
Single-phase electricity AC220V power supply, connects forceful electric power power interface and the unit with light current communication interface.Wherein, in motor single phase power supply machine
It is provided with forceful electric power power interface and light current communication interface on the mainboard of group, which can connect forceful electric power power supply wiring
Plate can access power supply by the forceful electric power power patch panel, while light current communication interface can connect connection, in forceful electric power power supply
After interface connects power supply, light current communication interface connecting communication line, relay actuation can control, mainboard obtains power supply at this time, can
With work；If relay will not be attracted, and be still within off-state, at this time mainboard when light current communication interface misconnection enters power supply
It cannot get power supply, communication information will not be generated, single phase power supply unit is not received by communication information, will not work.
Another optional embodiment, above-mentioned mainboard can connect the terminal plate of single phase power supply unit, wherein mainboard
Forceful electric power power supply wiring mouth connection single phase power supply unit terminal plate forceful electric power power patch panel, light current communication interface connects single-phase confession
The light current communications connecting blocks of motor group terminal plate.
Wherein, the correct wiring situation of mainboard, the power supply line forceful electric power power patch panel (forceful electric power that can be drawn from power supply box
Power patch panel can be three terminal plates, including firewire, zero curve and ground wire), meanwhile, the connection of another equipment can be with
Light current communications connecting blocks, i.e. connecting communication interface are connected to, are communicated with mainboard, mainboard obtains electric at this time, and control relay is attracted, just
Normal open news, single phase power supply unit work normally；If the two is reversely connected, i.e., the power supply line drawn from power supply box is connected to light current communications line
It at plate, and is connected at the terminal plate of the left side with the connection of another equipment, mainboard must not be electric at this time, and relay is in an off state
(disconnection herein is the normally off state of relay itself, does not need controller control relay and disconnects), mainboard will not issue logical
It interrogates information (light current communication interface can not communicate), motor unit does not receive communication information yet, will not work.For above-mentioned
In the case where mainboard wiring error, i.e., when light current communication interface accesses forceful electric power power supply, relay will not be attracted, in disconnection shape
State, this is because the mainboard of single phase power supply unit cannot get power supply in the case where wrong line, controller can not also work, light current
Communication interface can not issue communication information, and single phase power supply unit will not work at this time, and since relay disconnects, forceful electric power can not pass through
Light current communications line mouth enters mainboard, while also protecting the hardware at light current communication interface.
Optionally, the actuation that relay is controlled by controller accesses power supply, light current communication interface in forceful electric power power interface
In the case where incoming communication line, controller automatic control relay be attracted, at this point, mainboard can issue communication information (including control
System instruction) so that motor unit works.
Optionally, above-mentioned light current can be electric current and voltage required for transmitting signal, and the electric current of light current is small, frequency
Height, voltage is small, and DC voltage is within 32V.As in single-chip microcontroller pin come out voltage and current very little, light current can be for
Carry out signal processing.For the forceful electric power in above-described embodiment, the electric energy in electric system, such as the illumination of 220V can be
The voltage of electricity, the forceful electric power is high, and frequency is low, and electric current is big, and forceful electric power can be for driving powerful power equipment, such as motor,
The electrical equipments such as electric light.For light current, operating voltage can be more than alternating current 220V forceful electric power.
Preferably, the single phase power supply unit operating voltage in above-described embodiment is AC220V.
For above-mentioned single phase power supply unit, the single phase power supply unit of various electric appliances, such as air-conditioning, washing machine can be
Power supply unit.In the work of single phase power supply unit, forceful electric power power interface is needed to access power supply, light current communication interface connecting communication
Line, mainboard can issue communication information by light current communication interface, under the driving of power supply, motor unit is communicated according to light current
The communication information of interface works.Optionally, communication information is the command information for controlling each equipment work of motor unit.
Above-mentioned detection unit can be after single phase power supply unit powers on, and detects forceful electric power power supply on single phase power supply unit and connects
Whether mouth powers on, and in the case where detection unit detects that the forceful electric power power interface on mainboard powers on, controls relay
Device is attracted, and in the case where detection unit detects the forceful electric power power interface access failure power supply on mainboard, relay, which is in, to be disconnected
State, relay when it is disconnected, single phase power supply unit does not work.
Wherein, above-mentioned relay can be a kind of on-off controller, by receiving the control instruction of controller, with basis
The control instruction enters attracting state, wherein the common state of the relay is off-state, is only receiving controller
It after control instruction, can just enter attracting state, so that entire mainboard is powered, single phase power supply unit can be allowed to work.
Another optional embodiment, controller can also include: single-chip microcontroller, in the forceful electric power electricity for detecting mainboard
In the case that source interface powers on, triggering target control instruction instructs control relay to be attracted by target control.The monolithic
Machine instructs control relay to be attracted by target control, to control the work of single phase power supply unit.
Optionally, relay can be set on mainboard at light current communication interface, it can light current communication connects on mainboard
Setting relay is still within off-state, not will cause in this way so that relay will not be attracted when accessing forceful electric power at mouthful
The circuit damage of entire single phase power supply unit.
According to embodiments of the present invention, a kind of embodiment of the control method of single phase power supply unit is provided, needs to illustrate
It is that step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions,
Also, although logical order is shown in flow charts, and it in some cases, can be to be different from sequence execution herein
Shown or described step.
Fig. 2 is a kind of flow chart of the control method of optional single phase power supply unit according to an embodiment of the present invention, such as Fig. 2
Shown, this method comprises the following steps:
Whether step S202, the forceful electric power power interface detected on single phase power supply unit power on.
Step S204, in the case where detecting that the forceful electric power power interface on single phase power supply unit powers on, control is single
Relay on the mainboard of phase power supply unit is attracted, unit work.
Step S206, it is single-phase in the case where detection unit detects the forceful electric power power interface access failure power supply on mainboard
Relay on the mainboard of power supply unit is in an off state, and unit does not work.
Wherein, in the case where detecting that the forceful electric power power interface on single phase power supply unit powers on, single-phase confession is controlled
Relay on the mainboard of motor group is attracted, wherein relay includes following working condition: relay attracting state and relay
Off-state, single-phase power supply unit work, detects the forceful electric power power supply on mainboard in detection unit under relay attracting state
In the case where interface access failure power supply, relay is in an off state, in relay single phase power supply unit not work when it is disconnected
Make.
Through the foregoing embodiment, it can detect forceful electric power power supply on single phase power supply unit after single phase power supply unit powers on and connect
Whether mouth powers on, and in the case where detecting that the forceful electric power power interface on single phase power supply unit powers on, controls single-phase
Relay on the mainboard of power supply unit is attracted, the work of single phase power supply unit, detects the electricity of the forceful electric power on mainboard in detection unit
In the case where source interface access failure power supply, the relay on the mainboard of single phase power supply unit is in an off state, single phase power supply machine
Group does not work.According to embodiments of the present invention, forceful electric power power supply on single phase power supply unit can be judged after single phase power supply unit powers on
Whether interface powers on, and can power to controller when powering on, and controls relay by controller and is attracted, so that
Unit work；In the plant-grid connection light current communication interface of single phase power supply unit, relay is in an off state, and mainboard must not
Electricity, controller do not work, and will not issue control instruction, and single phase power supply unit does not work, and single phase power supply unit will not damage, solution
Certainly when the light current communication interface of power supply unit accesses forceful electric power, the technical issues of causing circuit to damage, reaches and effectively prevent powering
The effect of unit circuit damage.
For above-described embodiment, in the case where forceful electric power power interface powers on detecting single phase power supply unit, control
It includes: to detect the forceful electric power power interface connection on single phase power supply unit that relay on the mainboard of single phase power supply unit, which is attracted,
In the case where power supply, triggering target control instruction, wherein target control instruction is used to indicate control relay and is attracted.
Optionally, above-mentioned target control instruction can control the relay on the mainboard of single phase power supply unit and be attracted, this
When, single phase power supply unit works normally.
Another optional embodiment, in the case where power supply connects the forceful electric power communication interface on single phase power supply unit,
At this point, forceful electric power power interface does not access power supply, the controller on mainboard will not obtain electric energy, can not also work, in controller
In the case where can not working, control instruction can not be issued, at this point, light current communication interface can not generate communication information, single phase power supply
Unit can not receive communication information, will not work.
Optionally, in the above-described embodiments, when relay is in an off state, it can protect the hardware of single phase power supply unit
Circuit will not be burned, and single phase power supply unit does not work at this time, after staff checks, be adjusted weak on single phase power supply unit
The wiring of electric communication interface, so that on single phase power supply unit in the correct situation of the wiring of light current communication interface, single phase power supply machine
After re-powering, relay is attracted group, is restored single phase power supply unit and is worked normally.
By above embodiment, it can solve when the light current communication interface of power supply unit accesses forceful electric power, lead to circuit
The technical issues of damage.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, storage medium includes the journey of storage
Sequence, wherein equipment where control storage medium executes the control of the single phase power supply unit in above-described embodiment in program operation
Method.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, processor is used to run program,
In, program executes the control method of the single phase power supply unit in above-described embodiment when running.
Here is according to a particular embodiment of the invention.
Fig. 3 is a kind of schematic diagram of optional single phase power supply unit according to an embodiment of the present invention, as shown in figure 3, the electricity
Machine single phase power supply unit includes that mainboard 31, the interface on mainboard are provided with relay 32, and the light current communication on mainboard 31 connects
Mouthful with 34 wiring of light current communications connecting blocks, the forceful electric power power interface on mainboard connects forceful electric power power patch panel 33, can on mainboard 31
To include main board power supply power supply 36, wherein it can connect firewire 37, zero curve 38 and ground wire 39 at forceful electric power power patch panel 33,
In, forceful electric power power patch panel 33 and light current power patch panel 34 are all the part line plates in unit terminal plate 35, pass through forceful electric power
The forceful electric power power interface of power patch panel 33 and mainboard 31 is powered, to access electric energy.
Optionally, it can be communicated by the light current communication interface on light current communications connecting blocks 34 and mainboard 31, at this point, relay
Device 32 can be attracted, so that entire mainboard 31 can work, so that single phase power supply unit works, wherein above-mentioned relay
32 common states are to disconnect, and when forceful electric power power interface accesses power supply and light current communication interface communicates, can make relay
Device 32 is transferred to attracting state from off-state, if plant-grid connection light current communication interface, at this point, access mistake, relay 32 will not
It is attracted, mainboard 31 does not work.
Light current communication interface and 34 wiring of light current power patch panel on mainboard 31, forceful electric power power interface connect forceful electric power electricity
When the terminal plate of source, relay 32 is attracted, main board work.
Optionally, the embodiment of the present invention can be used for monophase machine, have the anti-wrong of strong and weak electricity and defencive function, simultaneously should
Embodiment can solve the problem of to cause circuit to damage when the light current communication interface of power supply unit accesses forceful electric power.
It may include power circuit, reset circuit, oscillation in above-mentioned motor single phase power supply unit for above-described embodiment
Circuit and single-chip microcontroller, wherein the power circuit can provide reliable and stable electric energy for entire controller, for resetting electricity
Road can make the electrification reset of entire controller, improve the controller stability of motor single phase power supply unit；For oscillation
Circuit can provide the timing of work for single-chip microcontroller；For the single-chip microcontroller in the embodiment of the present invention, control can be generated and refer to
It enables, to control relay actuation or off-state, protects light current circuit.
Above-mentioned single phase power supply unit powers on after completing wiring, if judging light current power patch panel and light current communication interface
Wiring it is correct, motherboard power supply can be exported normally, master chip control light current communication interface at relay be attracted, single phase power supply
Unit works normally；If forceful electric power misconnection enters light current interface, motherboard power supply is in an off state without output, relay, and protection is hard
Part circuit, single phase power supply unit do not work, finally, single phase power supply unit works normally after can restoring normal checking wiring.
Optionally, above-mentioned single phase power supply unit is the unit of monophase machine (such as above-mentioned AC220V).
In embodiments of the present invention, by light current communication interface increase a relay, by master chip control after
Electric appliance is attracted, and realizes the protection to single phase power supply unit, if light current communication interface wiring is incorrect on motor single phase power supply unit,
Forceful electric power misses incoming communication light current interface, and relay is still within off-state, then out-put supply, master chip do not work mainboard,
Protect light current interface circuit；If wiring is correct on motor single phase power supply unit, the mainboard of the single phase power supply unit of motor can be just
Often work, master chip control relay and are attracted, and single phase power supply unit works normally.
Fig. 4 is the schematic diagram of the control device of another optional single phase power supply unit according to an embodiment of the present invention, such as
Shown in Fig. 4, which includes:
Whether detection module 41, the forceful electric power power interface for detecting on single phase power supply unit power on.
Control module 43, in the case where detecting that the forceful electric power power interface on single phase power supply unit powers on,
The relay controlled on the mainboard of single phase power supply unit is attracted, wherein relay includes following working condition: relay is attracted shape
State and relay off-state, single-phase power supply unit work, detects on mainboard in detection unit under relay attracting state
Forceful electric power power interface access failure power supply in the case where, relay is in an off state, in relay single-phase confession when it is disconnected
Motor group does not work.
In the control device of the motor single phase power supply unit of the embodiment of the present invention, after motor single phase power supply unit powers on,
It detects whether forceful electric power power interface on single phase power supply unit powers on by detection module 41, is detecting single phase power supply unit
On forceful electric power power interface power in the case where, pass through control module 43 control single phase power supply unit mainboard on relay
Device is attracted, single phase power supply unit work, the case where detection module detects the forceful electric power power interface access failure power supply on mainboard
Under, the relay on the mainboard of single phase power supply unit is in an off state, and single phase power supply unit does not work.Implement according to the present invention
Example, can judge that whether forceful electric power power interface powers on single phase power supply unit, is connecting after single phase power supply unit powers on
It can power to controller when power supply, relay is controlled by controller and is attracted, so that unit works；In single phase power supply unit
Plant-grid connection light current communication interface when, relay is in an off state, mainboard must not electricity, controller do not work, will not issue
Control instruction, single phase power supply unit do not work, and single phase power supply unit will not damage, and solve to connect in the light current communication of power supply unit
When mouthful access forceful electric power, the technical issues of causing circuit to damage, achievees the effect that single phase power supply unit circuit is effectively prevent to damage.
For above-described embodiment, control module is also used to detecting the forceful electric power power interface connection on single phase power supply unit
In the case where power supply, triggering target control instruction, wherein target control instruction is used to indicate control relay and is attracted.
According to another aspect of an embodiment of the present invention, any one of a kind of air-conditioning, including above-described embodiment are additionally provided
Single phase power supply unit.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of unit, can be one kind
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of unit or module,
It can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of single phase power supply unit characterized by comprising
Mainboard, wherein forceful electric power power interface and light current communication interface are provided on the mainboard；
Detection unit, on the main board, whether the forceful electric power power interface for detecting on the mainboard powers on for setting；
Controller is arranged on the main board, for detecting the forceful electric power power interface on the mainboard in the detection unit
In the case where powering on, control relay is attracted, wherein light current communication interface on the main board is arranged in the relay
Place, the relay includes following working condition: the relay attracting state and the relay off-state, it is described after
The single phase power supply unit work, detects that the forceful electric power power supply on the mainboard connects in the detection unit under electric appliance attracting state
In the case where mouth access failure power supply, the relay is in an off state, in the relay single-phase confession when it is disconnected
Motor group does not work.
2. single phase power supply unit according to claim 1, which is characterized in that the controller further include:
Single-chip microcontroller, in the case where detecting that the forceful electric power power interface of the mainboard powers on, triggering target control to refer to
It enables, the target control instruction is used to indicate the control relay and is attracted.
3. single phase power supply unit according to claim 1, which is characterized in that light current is logical on the main board for relay setting
At communication interface.
4. a kind of control method of single phase power supply unit characterized by comprising
Whether the forceful electric power power interface on detection single phase power supply unit powers on；
In the case where detecting that the forceful electric power power interface on the single phase power supply unit powers on, the single phase power supply is controlled
Relay on the mainboard of unit at light current communication interface is attracted, wherein the relay includes following working condition: it is described after
Electric appliance attracting state and the relay off-state, the single phase power supply unit work under the relay attracting state,
In the case where the detection unit detects the forceful electric power power interface access failure power supply on the mainboard, the relay is in
Off-state, in the relay, the single phase power supply unit does not work when it is disconnected.
5. control method according to claim 4, which is characterized in that the forceful electric power on the detection single phase power supply unit
In the case that power interface powers on, the relay actuation controlled on the mainboard of the single phase power supply unit includes:
In the case where detecting that the forceful electric power power interface on the single phase power supply unit powers on, triggering target control refers to
It enables, wherein the target control instruction is used to indicate the control relay and is attracted.
6. a kind of control device of single phase power supply unit characterized by comprising
Whether detection module, the forceful electric power power interface for detecting on single phase power supply unit power on；
Control module, for controlling in the case where detecting that the forceful electric power power interface on the single phase power supply unit powers on
It makes the relay on the mainboard of the single phase power supply unit at light current communication interface to be attracted, wherein the relay includes following
Working condition: the relay attracting state and the relay off-state, the list under the relay attracting state
Phase power supply unit work, the case where the detection unit detects the forceful electric power power interface access failure power supply on the mainboard
Under, the relay is in an off state, and in the relay, the single phase power supply unit does not work when it is disconnected.
7. control device according to claim 6, which is characterized in that the control module is also used to detecting the list
In the case that forceful electric power power interface in phase power supply unit powers on, triggering target control instruction, wherein the target control
Instruction is used to indicate the control relay and is attracted.
8. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require 4 to the single phase power supply machine described in any one of claim 5
The control method of group.
9. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require 4 to the single phase power supply unit described in any one of claim 5 control method.
10. a kind of air-conditioning, which is characterized in that including single phase power supply machine described in any one of claim 1 to claim 3
Group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710174846.0A CN106877308B (en) | 2017-03-22 | 2017-03-22 | Single-phase power supply unit and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710174846.0A CN106877308B (en) | 2017-03-22 | 2017-03-22 | Single-phase power supply unit and control method thereof |
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| CN106877308B true CN106877308B (en) | 2018-12-07 |
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| CN107844170A (en) * | 2017-11-28 | 2018-03-27 | 郑州云海信息技术有限公司 | A kind of power supply, power source supply method and server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101359826B (en) * | 2007-08-03 | 2013-04-10 | 苏州三星电子有限公司 | Communication protecting equipment |
| CN201742427U (en) * | 2010-07-28 | 2011-02-09 | 卧龙电气集团股份有限公司 | Intelligent-protection interface circuit |
| CN202678968U (en) * | 2012-07-12 | 2013-01-16 | 海信（山东）空调有限公司 | Communication protecting circuit and air conditioner adopting the communication protecting circuit |
| CN104102161B (en) * | 2014-07-28 | 2016-08-31 | 安徽继远电网技术有限责任公司 | Intelligent integral power switch amount monitoring module |
| CN105515072A (en) * | 2014-09-22 | 2016-04-20 | 中兴通讯股份有限公司 | Communication power supply battery anti-reverse-connection circuit and communication power supply control system |
| CN204290310U (en) * | 2014-12-15 | 2015-04-22 | 陈泽 | A kind of oppositely ground protection circuit and ground-fault interrupter |
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