CN105485867A - control method, device and circuit of air conditioner - Google Patents
control method, device and circuit of air conditioner Download PDFInfo
- Publication number
- CN105485867A CN105485867A CN201510968292.2A CN201510968292A CN105485867A CN 105485867 A CN105485867 A CN 105485867A CN 201510968292 A CN201510968292 A CN 201510968292A CN 105485867 A CN105485867 A CN 105485867A
- Authority
- CN
- China
- Prior art keywords
- contactor
- electric current
- current
- air
- conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000009471 action Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000004378 air conditioning Methods 0.000 claims description 73
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 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
- 230000008439 repair process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method, a control device and a control circuit of an air conditioner. Wherein, the method comprises the following steps: after the air conditioner is powered on, acquiring a first current flowing through a contact of the alternating current contactor, which is detected by a current detection module; judging whether the first current is greater than or equal to a preset current or not; and under the condition that the first current is judged to be greater than or equal to the preset current, outputting an action signal to an auxiliary coil of the alternating current contactor, wherein the auxiliary coil drives a pushing mechanism to act under the triggering of the action signal, so that the pushing mechanism pushes a contact of the alternating current contactor to be disconnected, and a power supply loop of a compressor of the air conditioner is disconnected. The invention solves the technical problem of poor working stability of the air conditioner caused by the adhesion of the contacts of the alternating current contactor in the prior art.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of control method of air-conditioning, device and circuit.
Background technology
In prior art, as shown in Figure 1, compressor load (frequently fixed) control mode of air-conditioning is that single channel A.C. contactor controls, and the signal of telecommunication that obtains of the coil of A.C. contactor is controlled by mainboard.The compressor of air-conditioning adopts single A.C. contactor to control, and adhesive and the disconnection of A.C. contactor are controlled by mainboard.But after A.C. contactor lost efficacy, even if mainboard does not export the pickup signal of A.C. contactor, A.C. contactor is adhesive always also, thus caused compressor to run always.Adopt such scheme; when air-conditioning voltage pulsation that is longer, use region service time environment that is comparatively large or that run is more severe; the contact adhesion of A.C. contactor is caused in capital; A.C. contactor is caused to lose efficacy; even if at this moment reach halt condition or (namely mainboard provides stopping signal; do not export pickup signal) also cannot shut down; compressor can be caused like this to operate for a long time and user of service's situation that cannot find; when after compressor long-term work, the pipelines from bursting even serious accident such as breaking out of fire of air-conditioning can be caused.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of control method of air-conditioning, device and circuit, at least to solve the contact adhesion due to A.C. contactor in prior art, cause the technical problem of the poor stability of air-conditioning work.
According to an aspect of the embodiment of the present invention, provide a kind of control method of air-conditioning, comprising: after described power-on of air conditioner, obtain the first electric current flowing through the contact of A.C. contactor detected by current detection module; Judge whether described first electric current is greater than or equal to predetermined current; When judging that described first electric current is greater than or equal to described predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnect with the contact making described pushing mechanism promote described A.C. contactor, disconnect the current supply circuit of the compressor of described air-conditioning.
Further, when exporting described actuating signal to the ancillary coil of described A.C. contactor, described method also comprises: synchronous the second electric current flowing through the contact of described A.C. contactor obtaining described current detection module and detect; Judge whether described second electric current is less than described predetermined current; When judging that described second electric current is less than described predetermined current, stop exporting described actuating signal to described ancillary coil; When judging that described second electric current is greater than or equal to described predetermined current, again export described actuating signal to described ancillary coil, until described second electric current is less than described predetermined current.
Further, when judging that described first electric current is less than described predetermined current, described method also comprises: export the main coil of enabling signal to described A.C. contactor.
Further, export enabling signal to described A.C. contactor main coil after, described method also comprises: when receiving shutdown command, stops exporting enabling signal to described main coil, wherein, described shutdown command is used to indicate the shutdown of described air-conditioning.
Further, when receiving shutdown command, stop to after described main coil exports enabling signal, described method also comprises: obtain the electric current flowing through the contact of described A.C. contactor that described current detection module is consecutively detected in Preset Time; Judge whether the electric current be consecutively detected is less than described predetermined current: when the electric current judging to be consecutively detected is less than described predetermined current, control the shutdown of described air-conditioning.
Further, when judging that described first electric current is greater than or equal to described predetermined current, output action signal to described A.C. contactor ancillary coil after, described method also comprises: export fault message, wherein, described fault message cannot run for pointing out described air-conditioning.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of control device of air-conditioning, comprising: acquiring unit, for after described power-on of air conditioner, obtain the first electric current flowing through the contact of A.C. contactor detected by current detection module; Judging unit, for judging whether described first electric current is greater than or equal to predetermined current; Control unit, for when judging that described first electric current is greater than or equal to described predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnect with the contact making described pushing mechanism promote described A.C. contactor, disconnect the current supply circuit of described air-conditioning inner compressor.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of control circuit of air-conditioning, comprising: A.C. contactor; Current detection module, is arranged between the power supply of described air-conditioning and described A.C. contactor, for after described power-on of air conditioner, detects the first electric current flowing through the contact of described A.C. contactor; Mainboard, be connected with described current detection module, for when judging that described first electric current is greater than or equal to predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnects, disconnect the current supply circuit of described air-conditioning inner compressor with the contact making described pushing mechanism promote described A.C. contactor.
Further, described mainboard, also for when judging that described first electric current is less than described predetermined current, exports the main coil of enabling signal to described A.C. contactor.
Further, described mainboard, also for when receiving shutdown command, stops exporting described enabling signal to described main coil.
Further, described mainboard, also for when judging that described first electric current is greater than or equal to described predetermined current, exports fault message.
In embodiments of the present invention, adopt after described power-on of air conditioner, obtain the first electric current flowing through the contact of A.C. contactor detected by current detection module, judge whether described first electric current is greater than or equal to predetermined current, when judging that described first electric current is greater than or equal to described predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnect with the contact making described pushing mechanism promote described A.C. contactor, disconnect the mode of the current supply circuit of described air-conditioning inner compressor, the electric current of the contact of A.C. contactor and the size of predetermined current is flowed through after comparing power-on of air conditioner, determine the contact whether adhesion of A.C. contactor, when judging contact adhesion, to ancillary coil sending action signal, ancillary coil is made to drive pushing mechanism action, and then pushing mechanism pushes the contact of A.C. contactor open, reach and guarantee that air conditioner can the object of orderly closedown, thus achieve the technique effect of the stability improving air-conditioning work, and then the contact adhesion solved due to A.C. contactor in prior art, cause the technical problem of the poor stability of air-conditioning work.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the control circuit of a kind of air-conditioning of prior art;
Fig. 2 is the flow chart of the control method of a kind of air-conditioning according to the embodiment of the present invention;
Fig. 3 is the flow chart of the control method of a kind of air-conditioning alternatively according to the embodiment of the present invention;
Fig. 4 is the schematic diagram of the control device of a kind of air-conditioning according to the embodiment of the present invention; And
Fig. 5 is the schematic diagram of the control circuit of a kind of air-conditioning according to the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in description of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
According to the embodiment of the present invention, provide a kind of embodiment of the method for control method of air-conditioning, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 2 is the flow chart of the control method of a kind of air-conditioning according to the embodiment of the present invention, and as shown in Figure 2, the method comprises the steps:
Step S202, after power-on of air conditioner, obtains the first electric current flowing through the contact of A.C. contactor detected by current detection module.
Particularly, after power-on of air conditioner can being obtained by mainboard, the electric current that current detection module detects.
Step S204, judges whether the first electric current is greater than or equal to predetermined current.
Particularly, the size of predetermined current can set according to demand.
After power-on of air conditioner, mainboard does not also send enabling signal to the main coil in A.C. contactor, so main coil also not electric, if at this moment the contact of A.C. contactor has electric current to flow through, then show that the live wire and zero line etc. at A.C. contactor and power interface place constitute a current supply circuit being in the compressor of conducting state (this current supply circuit can see Fig. 5), and then the contact adhesion of A.C. contactor can be determined.So if judge, the first electric current is greater than or equal to predetermined current, then show the contact adhesion of A.C. contactor; If judge, the first electric current is less than predetermined current, then show that the contact of A.C. contactor is for non-adhesion.
Step S206, when judging that the first electric current is greater than or equal to predetermined current, output action signal is to the ancillary coil of A.C. contactor, wherein, ancillary coil drives pushing mechanism action under the triggering of actuating signal, disconnect with the contact making pushing mechanism promote A.C. contactor, disconnect the current supply circuit of the compressor of air-conditioning.
Particularly, if the contact of A.C. contactor disconnects, then the current supply circuit of compressor disconnects, thus compressor is out of service.
In embodiments of the present invention, the electric current of the contact of A.C. contactor and the size of predetermined current is flowed through after comparing power-on of air conditioner, determine the contact whether adhesion of A.C. contactor, when judging contact adhesion, to ancillary coil sending action signal, ancillary coil is made to drive pushing mechanism action, and then pushing mechanism pushes the contact of A.C. contactor open, reach and guarantee that air conditioner can the object of orderly closedown, thus achieve the technique effect of the stability improving air-conditioning work, and then the contact adhesion solved due to A.C. contactor in prior art, cause the technical problem of the poor stability of air-conditioning work.
Alternatively, in embodiments of the present invention, pushing mechanism is a push rod.When ancillary coil must not electricity (that is, not receiving actuating signal) time, push rod is failure to actuate; When ancillary coil obtains electric (that is, receiving actuating signal), push rod is action upwards, thus the contact promoting A.C. contactor disconnects, and makes the contact adhesion of A.C. contactor.
In embodiments of the present invention, by increasing an ancillary coil and a pushing mechanism in A.C. contactor, make mainboard when judging the contact adhesion of A.C. contactor, the contact of A.C. contactor can be disconnected by above-mentioned ancillary coil and pushing mechanism, avoid the contact adhesion due to A.C. contactor, cause the serious accident that A.C. contactor adhesive always causes.
Alternatively, in embodiments of the present invention, when output action signal is to the ancillary coil of A.C. contactor, method also comprises the steps:
Step S1, synchronous the second electric current flowing through the contact of A.C. contactor obtaining current detection module and detect.
Step S2, judges whether the second electric current is less than predetermined current.
Step S3, when judging that the second electric current is less than predetermined current, stops output action signal to ancillary coil.
If judge that the second electric current is less than predetermined current, then show that the contact that pushing mechanism has promoted A.C. contactor disconnects, then mainboard without the need to output action signal again to ancillary coil.
Step S4, when judging that the second electric current is greater than or equal to predetermined current, output action signal is to ancillary coil again, until the second electric current is less than predetermined current.
If judge that the second electric current is greater than or equal to predetermined current, then show that pushing mechanism does not also promote the contact disconnection of A.C. contactor, then mainboard needs again output action signal to ancillary coil, until the contact of A.C. contactor is pushed open by pushing mechanism.
In embodiments of the present invention, by when output action signal is to the ancillary coil of A.C. contactor, the electric current that synchronous acquisition current detection module detects (namely, second electric current), and above-mentioned electric current and predetermined current are compared, when this electric current is less than predetermined current, again output action signal is to ancillary coil, ensure that pushing mechanism pushes promptness and the certainty of the contact of A.C. contactor open, avoid because the reasons such as ancillary coil receiving action Signal Fail cause the not timely contact by A.C. contactor of pushing mechanism to push open, reach the effect of the stability improving air-conditioning work further.
Alternatively, when judging that the first electric current is less than predetermined current, method also comprises: export the main coil of enabling signal to A.C. contactor.
It should be noted that, when receiving the start-up command being used to indicate air-conditioning start, mainboard exports the main coil of enabling signal to A.C. contactor.
Particularly, if judge that the first electric current is less than predetermined current, then show the non-adhesion in the contact of A.C. contactor, then mainboard exports the main coil of enabling signal to A.C. contactor.Main coil obtains electric after receiving enabling signal, then A.C. contactor adhesive, the current supply circuit of compressor is in conducting state, and compressor normally runs.
It should be noted that, the main coil in the main coil in the embodiment of the present invention and Fig. 1 in A.C. contactor is same coil, thus when main coil obtain electric after, the current supply circuit of the compressor of formation is identical with Fig. 1.
Alternatively, in embodiments of the present invention, export enabling signal to A.C. contactor main coil after, method also comprises: when receiving shutdown command, stop to main coil export enabling signal, wherein, shutdown command be used to indicate air-conditioning shutdown.
Particularly, if mainboard stops exporting enabling signal to main coil, then the current supply circuit of compressor disconnects, and compressor shuts down, and air-conditioning has also just been shut down.
Alternatively, in embodiments of the present invention, when receiving shutdown command, stop exporting after enabling signal to main coil, method also comprises: obtain the electric current flowing through the contact of A.C. contactor that current detection module is consecutively detected in Preset Time; Judge whether the electric current be consecutively detected is less than predetermined current: when the electric current judging to be consecutively detected is less than predetermined current, control air-conditioning shutdown.
Particularly, Preset Time can be arranged according to demand.Such as: 10S etc.
If mainboard judges that the electric current be consecutively detected is less than predetermined current, the non-adhesion in the contact of A.C. contactor is then described, if mainboard judges that the electric current be consecutively detected is greater than or equal to predetermined current, mainboard is then described in output enabling signal to main coil, make in the process of current supply circuit conducting of compressor, also be in the process of compressor operation, the contact adhesion of A.C. contactor, even if at this moment mainboard stops exporting enabling signal, the current supply circuit of compressor is also conducting, the current supply circuit of compressor can be disconnected by performing step S202 to S206, thus avoid compressor to operate always.
Alternatively, when judging that the first electric current is greater than or equal to predetermined current, output action signal to A.C. contactor ancillary coil after, method also comprises: export fault message, wherein, fault message cannot run for pointing out air-conditioning.
Particularly, fault message can be exported by mainboard to display board.Fault message breaks down for pointing out user's A.C. contactor, and air-conditioning cannot run, and wherein, fault message can be failure code or word.
In embodiments of the present invention, by mainboard when judging to break down because of the contact adhesion of A.C. contactor, fault message is exported to display board, after user sees above-mentioned fault message from display board, can change or keep in repair A.C. contactor in time to enable air-conditioning by the mode such as after sale normally to run, reach the effect improving user satisfaction.
Fig. 3 is the flow chart of the control method of a kind of air-conditioning alternatively according to the embodiment of the present invention, and as shown in Figure 3, the method comprises the steps:
Step S302, air conditioner powers on.
Step S304, the mainboard of air-conditioning obtains the electric current I flowing through the contact of A.C. contactor that current detection module detects
electric current, this step, with step S202, no longer repeats at this.
Step S306, judges I
electric currentwhether be greater than or equal to I
setting, this step, with step S204, is not repeated.Wherein, I
settingbe the predetermined current in step S204.Judging I
electric currentbe greater than or equal to I
settingwhen, the contact adhesion of A.C. contactor is described, performs step S308; Judging I
electric currentbe less than I
settingwhen, the non-adhesion in the contact of A.C. contactor is described, performs step S312.
Step S308, Okm2 is to the ancillary coil of A.C. contactor for mainboard output signal, and A.C. contactor is disconnected.Particularly, mainboard output signal Okm2 is to the ancillary coil of A.C. contactor, and ancillary coil obtains the action of electric drive pushing mechanism, and the contact that pushing mechanism promotes A.C. contactor disconnects, thus A.C. contactor is disconnected.This step, with step S206, is not repeated.
It should be noted that, when performing step S308, namely the synchronous electric current flowing through the contact of A.C. contactor obtaining current detection module and detect, also return step S304.If judge that the electric current of above-mentioned synchronous acquisition is less than I
setting, mainboard stops to ancillary coil output signal Okm2, otherwise mainboard outputs signal Okm2 again to ancillary coil, with the contact making pushing mechanism push A.C. contactor open, A.C. contactor is disconnected, and then disconnects the current supply circuit of compressor.
Step S310, mainboard exports fault message.Particularly, fault message is for pointing out user's A.C. contactor fault, and air-conditioning cannot run.
Step S312, judges whether to receive start-up command.Particularly, this step can be performed by mainboard, and also, mainboard judges whether to receive start-up command, and this start-up command is used to indicate air-conditioning start.
Wherein, when judging to receive start-up command, perform step S316; When judging not receive start-up command, perform step S314.Also, namely, after air conditioner powers on, when receiving start-up command, step S316 is performed; When not receiving start-up command, perform step S314.
Step S314, air-conditioning shuts down.
Step S316, mainboard output signal Okm1 is to the main coil of A.C. contactor, and air-conditioning normally runs.
Particularly, when receiving start-up command, mainboard output signal Okm1 is to the main coil of A.C. contactor, and at this moment A.C. contactor adhesive, thus the current supply circuit conducting of compressor, air-conditioning normally runs.
Step S318, when receiving shutdown command, mainboard stops the main coil output signal Okm2 to A.C. contactor.
It should be noted that, perform after step S318, then return step S304, mainboard obtains the electric current flowing through A.C. contactor that current detection module detects continuously within N second, and judges whether above-mentioned electric current is greater than or equal to I
settingif judge that above-mentioned electric current is greater than or equal to I
setting, then step S308 is performed; If judge that above-mentioned electric current is less than I
setting, then step S312 is performed.
Known by foregoing, in embodiments of the present invention, judge to control the whether adhesion of the contact of A.C. contactor that whether compressor start by detecting current value, if judge the contact adhesion of A.C. contactor, ancillary coil then by controlling A.C. contactor makes the contact of A.C. contactor disconnect, thus guarantees the security of complete machine.And export fault message simultaneously, make maintenance personal to determine failure cause, for maintenance personal's after-sales service is provided convenience, thus improve maintenance personal's operating efficiency.
Fig. 4 is the schematic diagram of the control device of a kind of air-conditioning according to the embodiment of the present invention, and as shown in Figure 4, this device mainly comprises acquiring unit 41, judging unit 43 and control unit 45, wherein:
Acquiring unit 41, for after power-on of air conditioner, obtains the first electric current flowing through the contact of A.C. contactor detected by current detection module.
Particularly, after power-on of air conditioner can being obtained by mainboard, the electric current that current detection module detects.
Judging unit 43 is for judging whether the first electric current is greater than or equal to predetermined current.
Particularly, the size of predetermined current can set according to demand.
Control unit 45 is for when judging that the first electric current is greater than or equal to predetermined current, output action signal is to the ancillary coil of A.C. contactor, wherein, ancillary coil drives pushing mechanism action under the triggering of actuating signal, disconnect with the contact making pushing mechanism promote A.C. contactor, disconnect the current supply circuit of air-conditioning inner compressor.
Particularly, if the contact of A.C. contactor disconnects, then the current supply circuit of compressor disconnects, thus compressor is out of service.
In embodiments of the present invention, the electric current of the contact of A.C. contactor and the size of predetermined current is flowed through after comparing power-on of air conditioner, determine the contact whether adhesion of A.C. contactor, when judging contact adhesion, to ancillary coil sending action signal, ancillary coil is made to drive pushing mechanism action, and then pushing mechanism pushes the contact of A.C. contactor open, reach and guarantee that air conditioner can the object of orderly closedown, thus achieve the technique effect of the stability improving air-conditioning work, and then the contact adhesion solved due to A.C. contactor in prior art, cause the technical problem of the poor stability of air-conditioning work.
According to the embodiment of the present invention, additionally provide a kind of control circuit of air-conditioning.In above-described embodiment, the control method of air-conditioning can perform by the control circuit of air-conditioning that provides of the embodiment of the present invention.As shown in Figure 5, the control circuit of this air-conditioning comprises A.C. contactor 51, current detection module 53 and mainboard 55.Wherein, current detection module 53 is arranged between the power supply (that is, the power interface shown in Fig. 5) of air-conditioning and A.C. contactor, for after power-on of air conditioner, detects the first electric current flowing through the contact of A.C. contactor 51; Mainboard 55 is connected with current detection module 53, for when judging that the first electric current is greater than or equal to predetermined current, output action signal is to the ancillary coil 511 of A.C. contactor 51, wherein, ancillary coil 511 drives pushing mechanism action under the triggering of actuating signal, disconnect with the contact 513 making pushing mechanism promote A.C. contactor, disconnect the current supply circuit of air-conditioning inner compressor.
Particularly, actuating signal is the signal that mainboard controls ancillary coil action, see Fig. 5, can use signal Okm
2represent.
In embodiments of the present invention, mainboard flows through the electric current of the contact of A.C. contactor and the size of predetermined current after comparing power-on of air conditioner, determine the contact whether adhesion of A.C. contactor, when judging contact adhesion, to ancillary coil sending action signal, ancillary coil is made to drive pushing mechanism action, and then pushing mechanism pushes the contact of A.C. contactor open, reach and guarantee that air conditioner can the object of orderly closedown, thus achieve the technique effect of the stability improving air-conditioning work, and then the contact adhesion solved due to A.C. contactor in prior art, cause the technical problem of the poor stability of air-conditioning work.
Alternatively, see Fig. 5, in embodiments of the present invention, mainboard, also for when judging that the first electric current is less than predetermined current, exports the main coil 512 of enabling signal to A.C. contactor.
Particularly, enabling signal is the signal that mainboard controls compressor start, see Fig. 5, can use signal Okm
1represent.
Namely, mainboard, by exporting the main coil of enabling signal to A.C. contactor, realizes the startup controlling compressor.
Alternatively, in embodiments of the present invention, mainboard, also for when receiving shutdown command, stops exporting enabling signal to main coil.Wherein, shutdown command is used to indicate air-conditioning shutdown.
Particularly, if mainboard stops exporting enabling signal to main coil, then the current supply circuit of compressor disconnects, and compressor shuts down, and air-conditioning has just been shut down.
Alternatively, in embodiments of the present invention, mainboard, also for when judging that the first electric current is greater than or equal to predetermined current, exports fault message.
Particularly, fault message can be exported by mainboard to display board.Fault message breaks down for pointing out user's A.C. contactor, and air-conditioning cannot run, and wherein, fault message can be failure code or word.
In embodiments of the present invention, by mainboard when judging that A.C. contactor breaks down, export fault message, make user can change or keep in repair A.C. contactor in time to enable air-conditioning by the mode such as after sale and normally run, reach the effect improving user satisfaction.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a control method for air-conditioning, is characterized in that, comprising:
After described power-on of air conditioner, obtain the first electric current flowing through the contact of A.C. contactor detected by current detection module;
Judge whether described first electric current is greater than or equal to predetermined current;
When judging that described first electric current is greater than or equal to described predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnect with the contact making described pushing mechanism promote described A.C. contactor, disconnect the current supply circuit of the compressor of described air-conditioning.
2. method according to claim 1, is characterized in that, when exporting described actuating signal to the ancillary coil of described A.C. contactor, described method also comprises:
Second electric current of what the described current detection module of synchronous acquisition detected the flow through contact of described A.C. contactor;
Judge whether described second electric current is less than described predetermined current;
When judging that described second electric current is less than described predetermined current, stop exporting described actuating signal to described ancillary coil;
When judging that described second electric current is greater than or equal to described predetermined current, again export described actuating signal to described ancillary coil, until described second electric current is less than described predetermined current.
3. method according to claim 1, is characterized in that, when judging that described first electric current is less than described predetermined current, described method also comprises:
Export the main coil of enabling signal to described A.C. contactor.
4. method according to claim 3, is characterized in that, export enabling signal to described A.C. contactor main coil after, described method also comprises:
When receiving shutdown command, stop exporting enabling signal to described main coil, wherein, described shutdown command is used to indicate the shutdown of described air-conditioning.
5. method according to claim 4, is characterized in that, when receiving shutdown command, stop to after described main coil exports enabling signal, described method also comprises:
Obtain the electric current flowing through the contact of described A.C. contactor that described current detection module is consecutively detected in Preset Time;
Judge whether the electric current be consecutively detected is less than described predetermined current;
When the electric current judging to be consecutively detected is less than described predetermined current, control the shutdown of described air-conditioning.
6. method according to claim 1, is characterized in that, when judging that described first electric current is greater than or equal to described predetermined current, output action signal to described A.C. contactor ancillary coil after, described method also comprises:
Export fault message, wherein, described fault message cannot run for pointing out described air-conditioning.
7. a control device for air-conditioning, is characterized in that, comprising:
Acquiring unit, for after described power-on of air conditioner, obtains the first electric current flowing through the contact of A.C. contactor detected by current detection module;
Judging unit, for judging whether described first electric current is greater than or equal to predetermined current;
Control unit, for when judging that described first electric current is greater than or equal to described predetermined current, output action signal is to the ancillary coil of described A.C. contactor, wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnect with the contact making described pushing mechanism promote described A.C. contactor, disconnect the current supply circuit of described air-conditioning inner compressor.
8. a control circuit for air-conditioning, is characterized in that, comprising:
A.C. contactor;
Current detection module, is arranged between the power supply of described air-conditioning and described A.C. contactor, for after described power-on of air conditioner, detects the first electric current flowing through the contact of described A.C. contactor;
Mainboard, is connected with described current detection module, for when judging that described first electric current is greater than or equal to predetermined current, output action signal to the ancillary coil of described A.C. contactor,
Wherein, described ancillary coil drives pushing mechanism action under the triggering of described actuating signal, disconnects, disconnect the current supply circuit of described air-conditioning inner compressor with the contact making described pushing mechanism promote described A.C. contactor.
9. control circuit according to claim 8, is characterized in that, described mainboard, also for when judging that described first electric current is less than described predetermined current, exports the main coil of enabling signal to described A.C. contactor.
10. control circuit according to claim 9, is characterized in that, described mainboard, also for when receiving shutdown command, stops exporting described enabling signal to described main coil.
11. control circuits according to claim 8, is characterized in that, described mainboard, also for when judging that described first electric current is greater than or equal to described predetermined current, exports fault message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968292.2A CN105485867B (en) | 2015-12-18 | 2015-12-18 | Control method, device and circuit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968292.2A CN105485867B (en) | 2015-12-18 | 2015-12-18 | Control method, device and circuit of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485867A true CN105485867A (en) | 2016-04-13 |
| CN105485867B CN105485867B (en) | 2018-12-07 |
Family
ID=55673018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510968292.2A Active CN105485867B (en) | 2015-12-18 | 2015-12-18 | Control method, device and circuit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485867B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690952A (en) * | 2020-05-15 | 2021-11-23 | 比亚迪股份有限公司 | Voltage transmission control circuit and vehicle |
| CN116890603A (en) * | 2023-09-11 | 2023-10-17 | 新誉集团有限公司 | Failure detection method and system for contactor of air conditioner blower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873512A (en) * | 1984-03-20 | 1989-10-10 | Westinghouse Electric Corp. | Active shaft grounding and diagnotic system |
| CN202326145U (en) * | 2011-11-28 | 2012-07-11 | 珠海格力电器股份有限公司 | Protection circuit and air conditioner of compressor |
| CN203135386U (en) * | 2013-01-11 | 2013-08-14 | 南阳防爆电气研究所有限公司 | Main contact adhesion detection device for AC contactor |
| CN104442406A (en) * | 2014-10-31 | 2015-03-25 | 惠州市亿能电子有限公司 | Method for judging adhesion of high-voltage relay |
| CN104748288A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Soft start charging circuit and control method thereof |
| CN104764164A (en) * | 2015-04-09 | 2015-07-08 | 宁波奥克斯电气有限公司 | Method for judging whether alternating-current contactor of air conditioner is adhered or not |
| KR20150089638A (en) * | 2014-01-28 | 2015-08-05 | 주식회사 엘지화학 | Apparatus and method for judging if a life of contactor has reached |
| CN204758746U (en) * | 2015-06-30 | 2015-11-11 | 惠州市亿能电子有限公司 | Do benefit to and judge that electricity adds circuit of electrothermal relay adhesion |
-
2015
- 2015-12-18 CN CN201510968292.2A patent/CN105485867B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873512A (en) * | 1984-03-20 | 1989-10-10 | Westinghouse Electric Corp. | Active shaft grounding and diagnotic system |
| CN202326145U (en) * | 2011-11-28 | 2012-07-11 | 珠海格力电器股份有限公司 | Protection circuit and air conditioner of compressor |
| CN203135386U (en) * | 2013-01-11 | 2013-08-14 | 南阳防爆电气研究所有限公司 | Main contact adhesion detection device for AC contactor |
| CN104748288A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Soft start charging circuit and control method thereof |
| KR20150089638A (en) * | 2014-01-28 | 2015-08-05 | 주식회사 엘지화학 | Apparatus and method for judging if a life of contactor has reached |
| CN104442406A (en) * | 2014-10-31 | 2015-03-25 | 惠州市亿能电子有限公司 | Method for judging adhesion of high-voltage relay |
| CN104764164A (en) * | 2015-04-09 | 2015-07-08 | 宁波奥克斯电气有限公司 | Method for judging whether alternating-current contactor of air conditioner is adhered or not |
| CN204758746U (en) * | 2015-06-30 | 2015-11-11 | 惠州市亿能电子有限公司 | Do benefit to and judge that electricity adds circuit of electrothermal relay adhesion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690952A (en) * | 2020-05-15 | 2021-11-23 | 比亚迪股份有限公司 | Voltage transmission control circuit and vehicle |
| CN116890603A (en) * | 2023-09-11 | 2023-10-17 | 新誉集团有限公司 | Failure detection method and system for contactor of air conditioner blower |
| CN116890603B (en) * | 2023-09-11 | 2023-12-12 | 新誉集团有限公司 | Failure detection method and system for contactor of air conditioner blower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105485867B (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111226366B (en) | Method and apparatus for adaptive AC/DC surge protection | |
| CN102882267B (en) | Power supply device, electronic equipment and power supply method | |
| CN103777721A (en) | Server system and cooling control method thereof | |
| CN103779829A (en) | Load protection circuit | |
| CN104484025A (en) | Power-on control system and method for equipment cluster | |
| CN105514526A (en) | heating control system and method of battery module | |
| CN204586541U (en) | A kind of monitored control system of the high voltage circuit for vehicle | |
| CN105485867A (en) | control method, device and circuit of air conditioner | |
| CN106294250A (en) | A kind of method keeping USB (universal serial bus) communication robust and relevant device | |
| CN104993582A (en) | Electric power system control method and apparatus | |
| CN113395017B (en) | Pumped-storage system, control method and storage medium | |
| CN207039447U (en) | Fault detection circuit | |
| CN105004983A (en) | Capacitance fault detection method, device and system for air conditioning unit | |
| CN105244906B (en) | Standby state control method, device and system for wind driven generator converter | |
| CN108491052B (en) | Self-recovery method for hot plug fan | |
| CN110911228A (en) | Direct current contactor fault detection circuit, control method and storage medium | |
| CN105097356A (en) | Control method and device | |
| CN107171537B (en) | Bypass control system of power unit and high-voltage variable-frequency speed regulation device | |
| CN105607532B (en) | Air conditioner and control method and circuit thereof | |
| CN109546705A (en) | Terminal device and its method, apparatus of charging and communication | |
| CN105100344A (en) | Hot plug processing method for user recognition module card, and mobile terminal | |
| CN108336719A (en) | Accumulator automatic control device and system | |
| CN104467395A (en) | Hot-plug power source system and power source control device and method | |
| CN107395475B (en) | CAN communication polarity control method, device and system and multi-connected air conditioning unit | |
| CN210154027U (en) | Fault-tolerant circuit of variable-frequency air conditioner controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |